/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-keepdead.epf -i ../../../trunk/examples/svcomp/pthread/queue_longer.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-e5469eb [2021-01-20 17:52:26,955 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-20 17:52:26,958 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-20 17:52:26,994 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-20 17:52:26,995 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-20 17:52:26,997 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-20 17:52:27,000 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-20 17:52:27,002 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-20 17:52:27,005 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-20 17:52:27,006 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-20 17:52:27,008 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-20 17:52:27,010 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-20 17:52:27,010 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-20 17:52:27,012 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-20 17:52:27,014 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-20 17:52:27,016 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-20 17:52:27,017 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-20 17:52:27,019 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-20 17:52:27,021 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-20 17:52:27,024 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-20 17:52:27,027 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-20 17:52:27,029 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-20 17:52:27,031 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-20 17:52:27,033 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-20 17:52:27,037 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-20 17:52:27,037 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-20 17:52:27,038 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-20 17:52:27,039 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-20 17:52:27,040 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-20 17:52:27,042 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-20 17:52:27,042 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-20 17:52:27,043 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-20 17:52:27,045 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-20 17:52:27,046 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-20 17:52:27,048 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-20 17:52:27,048 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-20 17:52:27,050 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-20 17:52:27,050 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-20 17:52:27,051 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-20 17:52:27,052 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-20 17:52:27,053 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-20 17:52:27,055 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-keepdead.epf [2021-01-20 17:52:27,086 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-20 17:52:27,087 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-20 17:52:27,088 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-20 17:52:27,089 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-20 17:52:27,089 INFO L138 SettingsManager]: * Use SBE=true [2021-01-20 17:52:27,089 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-20 17:52:27,090 INFO L138 SettingsManager]: * sizeof long=4 [2021-01-20 17:52:27,090 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-20 17:52:27,091 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-01-20 17:52:27,091 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-20 17:52:27,091 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-20 17:52:27,091 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-20 17:52:27,092 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-20 17:52:27,092 INFO L138 SettingsManager]: * sizeof long double=12 [2021-01-20 17:52:27,092 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-20 17:52:27,093 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-20 17:52:27,093 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-20 17:52:27,094 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-20 17:52:27,094 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-20 17:52:27,094 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-01-20 17:52:27,095 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-20 17:52:27,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-20 17:52:27,095 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-20 17:52:27,096 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-20 17:52:27,096 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-20 17:52:27,096 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-20 17:52:27,097 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-20 17:52:27,097 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-01-20 17:52:27,097 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-20 17:52:27,097 INFO L138 SettingsManager]: * Remove dead ends from automaton=false [2021-01-20 17:52:27,098 INFO L138 SettingsManager]: * Minimization of abstraction=NONE [2021-01-20 17:52:27,098 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-20 17:52:27,492 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-20 17:52:27,546 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-20 17:52:27,552 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-20 17:52:27,553 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-20 17:52:27,554 INFO L275 PluginConnector]: CDTParser initialized [2021-01-20 17:52:27,555 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue_longer.i [2021-01-20 17:52:27,660 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93fe56468/bc889e26e9664c6caabdc0ce00200894/FLAGf20fc2595 [2021-01-20 17:52:28,451 INFO L306 CDTParser]: Found 1 translation units. [2021-01-20 17:52:28,452 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longer.i [2021-01-20 17:52:28,500 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93fe56468/bc889e26e9664c6caabdc0ce00200894/FLAGf20fc2595 [2021-01-20 17:52:28,689 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93fe56468/bc889e26e9664c6caabdc0ce00200894 [2021-01-20 17:52:28,699 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-20 17:52:28,745 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-01-20 17:52:28,750 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-20 17:52:28,750 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-20 17:52:28,755 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-20 17:52:28,756 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.01 05:52:28" (1/1) ... [2021-01-20 17:52:28,760 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fbb150d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 05:52:28, skipping insertion in model container [2021-01-20 17:52:28,761 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.01 05:52:28" (1/1) ... [2021-01-20 17:52:28,770 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-20 17:52:28,845 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-20 17:52:29,442 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-20 17:52:29,455 INFO L203 MainTranslator]: Completed pre-run [2021-01-20 17:52:29,550 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-20 17:52:29,778 INFO L208 MainTranslator]: Completed translation [2021-01-20 17:52:29,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 05:52:29 WrapperNode [2021-01-20 17:52:29,779 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-20 17:52:29,781 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-20 17:52:29,781 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-20 17:52:29,781 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-20 17:52:29,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 05:52:29" (1/1) ... [2021-01-20 17:52:29,814 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 05:52:29" (1/1) ... [2021-01-20 17:52:29,848 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-20 17:52:29,849 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-20 17:52:29,850 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-20 17:52:29,850 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-20 17:52:29,864 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 05:52:29" (1/1) ... [2021-01-20 17:52:29,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 05:52:29" (1/1) ... [2021-01-20 17:52:29,880 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 05:52:29" (1/1) ... [2021-01-20 17:52:29,884 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 05:52:29" (1/1) ... [2021-01-20 17:52:29,902 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 05:52:29" (1/1) ... [2021-01-20 17:52:29,917 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 05:52:29" (1/1) ... [2021-01-20 17:52:29,921 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 05:52:29" (1/1) ... [2021-01-20 17:52:29,933 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-20 17:52:29,940 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-20 17:52:29,940 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-20 17:52:29,941 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-20 17:52:29,942 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 05:52:29" (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 [2021-01-20 17:52:30,033 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-01-20 17:52:30,033 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-01-20 17:52:30,033 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-01-20 17:52:30,033 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-01-20 17:52:30,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-20 17:52:30,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-01-20 17:52:30,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-01-20 17:52:30,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-01-20 17:52:30,035 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-01-20 17:52:30,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-20 17:52:30,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-20 17:52:30,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-20 17:52:30,038 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-01-20 17:52:30,914 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-20 17:52:30,915 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2021-01-20 17:52:30,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.01 05:52:30 BoogieIcfgContainer [2021-01-20 17:52:30,917 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-20 17:52:30,919 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-20 17:52:30,920 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-20 17:52:30,924 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-20 17:52:30,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.01 05:52:28" (1/3) ... [2021-01-20 17:52:30,925 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ee45903 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.01 05:52:30, skipping insertion in model container [2021-01-20 17:52:30,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.01 05:52:29" (2/3) ... [2021-01-20 17:52:30,926 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ee45903 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.01 05:52:30, skipping insertion in model container [2021-01-20 17:52:30,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.01 05:52:30" (3/3) ... [2021-01-20 17:52:30,928 INFO L111 eAbstractionObserver]: Analyzing ICFG queue_longer.i [2021-01-20 17:52:30,946 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-01-20 17:52:30,946 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-20 17:52:30,951 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-01-20 17:52:30,952 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-01-20 17:52:31,060 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,060 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,061 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,061 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,062 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,063 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,063 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,066 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,067 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,067 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,071 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,071 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,072 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,072 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,073 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,073 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,073 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,074 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,074 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,074 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,075 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,075 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,075 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,075 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,076 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,076 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,076 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,078 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,078 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,079 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,079 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,080 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,080 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,080 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,081 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,082 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,082 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,082 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,083 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,083 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,083 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,086 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,086 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,087 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,087 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,087 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,088 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,088 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,088 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,089 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,089 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,089 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,090 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,090 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,090 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,091 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,091 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,091 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,092 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,092 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,092 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,093 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,093 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,093 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,093 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,094 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,095 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,095 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,096 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,096 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,096 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,097 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,097 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,097 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,098 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,098 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,098 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,098 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,099 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,100 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,101 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,101 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,102 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,103 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,103 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,104 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,104 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,104 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,105 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,105 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,105 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,105 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,105 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,106 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,106 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,106 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,107 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,107 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,108 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,109 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,110 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,114 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,115 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,116 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,116 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,121 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,121 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,123 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,123 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,126 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,126 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,127 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,129 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,129 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,129 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,130 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,130 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,130 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,135 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,136 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,138 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,138 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,139 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,139 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,139 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,140 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,140 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,140 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,141 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,141 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,141 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,142 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,142 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,142 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,143 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,143 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,143 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,144 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,144 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,144 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,145 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,145 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,147 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,148 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,148 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,148 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,149 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,149 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,149 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,150 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,150 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,150 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,150 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,151 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,151 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,151 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,152 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,152 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,152 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,152 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,153 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,153 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,155 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,155 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,156 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,156 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,156 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,156 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,157 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,157 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,157 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,157 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,158 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,158 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,158 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,159 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,159 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,159 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,159 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,159 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,160 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,160 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,160 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,160 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,161 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,161 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,161 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,161 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,162 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,162 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,162 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,162 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,163 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,163 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,163 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,164 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,164 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,164 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,164 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,164 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,165 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,165 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,165 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,166 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,166 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,166 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,167 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,167 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,167 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,167 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,168 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,168 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,168 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,169 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,169 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,169 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,169 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,170 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,170 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,170 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,170 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,170 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,171 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,171 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,171 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,172 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,172 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,172 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,173 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,173 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,173 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,174 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,174 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,174 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,174 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,175 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,175 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,175 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,176 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,176 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,176 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,177 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,177 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,177 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,178 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,181 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,181 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,182 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,186 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,187 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,187 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,187 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,188 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,188 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,188 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,189 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,189 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,190 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,190 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,190 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,191 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,191 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,192 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,192 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,193 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,193 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,193 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,193 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,194 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,194 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,194 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,195 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,195 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,195 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,196 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,196 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,196 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,196 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,197 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,197 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,197 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,198 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,198 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,198 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,198 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,198 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,199 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,200 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,200 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,200 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,200 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,201 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,201 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,201 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,201 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,202 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,202 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,202 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,202 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,202 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,203 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,203 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,203 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,204 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,204 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,204 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,204 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,204 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,205 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,205 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,205 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,205 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,206 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,206 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,206 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,206 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,207 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,207 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,207 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,207 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,208 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,208 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,209 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,209 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,209 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,210 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,210 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,210 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,211 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,211 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,211 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,211 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,212 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,212 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,212 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,212 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,213 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,213 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,213 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,214 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,214 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,214 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,215 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,215 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,215 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,216 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,216 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,216 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,216 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,216 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,217 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,217 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,217 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,218 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,218 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,218 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,223 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,224 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,224 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,224 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,224 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,228 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,228 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,229 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,230 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,230 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,231 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,231 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,231 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,232 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,232 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,232 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,233 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,233 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,233 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,234 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,234 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,234 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,234 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,234 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,235 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,235 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,235 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,237 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,237 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,238 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,238 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,238 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,239 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,239 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,239 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,239 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,240 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,240 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,240 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,242 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,249 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,249 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,249 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,250 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,250 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,251 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,251 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,252 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,252 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,253 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,253 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,253 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,254 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,254 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,255 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,255 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,255 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,256 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,256 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,256 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,256 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,257 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,258 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,258 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,268 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,268 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,268 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,270 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,271 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,271 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,272 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,272 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,272 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,273 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,273 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,273 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,273 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,273 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,274 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,274 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,274 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,275 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,275 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,276 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,276 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,276 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,277 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,277 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,277 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,277 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,277 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,278 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,278 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,278 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,279 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,279 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,279 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,279 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,279 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,280 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,280 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,280 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,285 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,285 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,286 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,286 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,286 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,286 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,287 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,287 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,287 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,287 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,288 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,288 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,288 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,288 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,289 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,289 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,289 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,290 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,290 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,290 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,290 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,290 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,291 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,291 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,291 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,292 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,292 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,292 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,292 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,293 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,294 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,295 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,295 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,295 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,295 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,296 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,296 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,297 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,297 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,297 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,297 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,298 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,298 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,298 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,299 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,299 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,299 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,299 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,299 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,300 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,300 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,300 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,300 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,301 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,301 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,301 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,301 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,301 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,302 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,302 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,302 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,303 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,303 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,303 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,303 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,303 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,304 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,304 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,304 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,305 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,305 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,305 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,305 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,305 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,306 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,306 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,306 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,307 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,307 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,307 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,307 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,307 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,308 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,308 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,308 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,308 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,309 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,309 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,309 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,309 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,310 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,310 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,310 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,310 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,311 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,311 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,311 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,311 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,312 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,312 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,312 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,312 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,313 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,313 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,313 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,313 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,314 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,314 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,314 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,314 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,314 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,315 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,315 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,315 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,316 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,316 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,316 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,316 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,317 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,317 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,317 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,317 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,318 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,318 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,318 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,318 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,321 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,323 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~post61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,324 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,324 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,324 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,324 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,325 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,325 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,325 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,325 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,325 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~ret63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,326 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,326 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,326 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,326 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,326 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~nondet62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,326 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,327 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,327 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,327 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,327 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,327 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork0_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,327 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,328 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork0_#t~mem64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,338 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,339 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,339 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,339 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,339 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,339 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,340 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,340 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,340 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,340 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,341 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,341 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,341 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,341 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,341 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,342 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,342 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,342 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,342 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,342 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,342 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,343 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,343 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,343 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,343 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,344 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,344 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~post57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,344 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,344 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,344 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,344 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,345 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,345 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,345 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,345 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,345 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,345 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-01-20 17:52:31,369 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-01-20 17:52:31,384 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-01-20 17:52:31,425 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-20 17:52:31,425 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-20 17:52:31,425 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-20 17:52:31,425 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-20 17:52:31,425 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-20 17:52:31,425 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-20 17:52:31,426 INFO L383 AbstractCegarLoop]: Minimize is NONE [2021-01-20 17:52:31,426 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-20 17:52:31,446 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 250 places, 263 transitions, 548 flow [2021-01-20 17:52:33,169 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 19204 states, 19199 states have (on average 2.7913953851763114) internal successors, (53592), 19203 states have internal predecessors, (53592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:52:33,224 INFO L276 IsEmpty]: Start isEmpty. Operand has 19204 states, 19199 states have (on average 2.7913953851763114) internal successors, (53592), 19203 states have internal predecessors, (53592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:52:33,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-01-20 17:52:33,242 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:52:33,243 INFO L504 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 17:52:33,244 INFO L429 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]=== [2021-01-20 17:52:33,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:52:33,257 INFO L82 PathProgramCache]: Analyzing trace with hash -709121994, now seen corresponding path program 1 times [2021-01-20 17:52:33,268 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:52:33,269 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198846706] [2021-01-20 17:52:33,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:52:33,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:52:33,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:52:33,676 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198846706] [2021-01-20 17:52:33,677 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:52:33,677 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-20 17:52:33,678 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071496527] [2021-01-20 17:52:33,683 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-20 17:52:33,684 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:52:33,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-20 17:52:33,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-20 17:52:33,755 INFO L87 Difference]: Start difference. First operand has 19204 states, 19199 states have (on average 2.7913953851763114) internal successors, (53592), 19203 states have internal predecessors, (53592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:52:34,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 17:52:34,113 INFO L93 Difference]: Finished difference Result 18201 states and 49385 transitions. [2021-01-20 17:52:34,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-01-20 17:52:34,118 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2021-01-20 17:52:34,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 17:52:34,123 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-20 17:52:34,123 INFO L78 Accepts]: Start accepts. Automaton has 18201 states and 49385 transitions. Word has length 50 [2021-01-20 17:52:34,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 17:52:34,125 INFO L481 AbstractCegarLoop]: Abstraction has 18201 states and 49385 transitions. [2021-01-20 17:52:34,125 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:52:34,125 INFO L276 IsEmpty]: Start isEmpty. Operand 18201 states and 49385 transitions. [2021-01-20 17:52:34,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-01-20 17:52:34,146 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:52:34,146 INFO L504 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, 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, 1, 1, 1] [2021-01-20 17:52:34,146 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-20 17:52:34,147 INFO L429 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]=== [2021-01-20 17:52:34,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:52:34,148 INFO L82 PathProgramCache]: Analyzing trace with hash 1894571692, now seen corresponding path program 1 times [2021-01-20 17:52:34,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:52:34,148 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166236877] [2021-01-20 17:52:34,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:52:34,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:52:34,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:52:34,663 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166236877] [2021-01-20 17:52:34,664 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:52:34,664 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-01-20 17:52:34,664 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341010638] [2021-01-20 17:52:34,666 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-01-20 17:52:34,666 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:52:34,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-01-20 17:52:34,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-01-20 17:52:34,668 INFO L87 Difference]: Start difference. First operand 18201 states and 49385 transitions. Second operand has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 12 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:52:35,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 17:52:35,910 INFO L93 Difference]: Finished difference Result 18198 states and 49381 transitions. [2021-01-20 17:52:35,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-20 17:52:35,911 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 12 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2021-01-20 17:52:35,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 17:52:35,916 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=135, Invalid=285, Unknown=0, NotChecked=0, Total=420 [2021-01-20 17:52:35,916 INFO L78 Accepts]: Start accepts. Automaton has 18198 states and 49381 transitions. Word has length 83 [2021-01-20 17:52:35,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 17:52:35,917 INFO L481 AbstractCegarLoop]: Abstraction has 18198 states and 49381 transitions. [2021-01-20 17:52:35,917 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 6.916666666666667) internal successors, (83), 12 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:52:35,917 INFO L276 IsEmpty]: Start isEmpty. Operand 18198 states and 49381 transitions. [2021-01-20 17:52:35,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-01-20 17:52:35,925 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:52:35,925 INFO L504 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, 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, 1, 1, 1, 1] [2021-01-20 17:52:35,925 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-20 17:52:35,926 INFO L429 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]=== [2021-01-20 17:52:35,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:52:35,926 INFO L82 PathProgramCache]: Analyzing trace with hash 1459317664, now seen corresponding path program 1 times [2021-01-20 17:52:35,926 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:52:35,927 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547693013] [2021-01-20 17:52:35,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:52:35,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:52:36,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:52:36,101 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547693013] [2021-01-20 17:52:36,102 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:52:36,102 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-20 17:52:36,102 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319678465] [2021-01-20 17:52:36,103 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-20 17:52:36,103 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:52:36,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-20 17:52:36,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-20 17:52:36,105 INFO L87 Difference]: Start difference. First operand 18198 states and 49381 transitions. Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:52:36,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 17:52:36,327 INFO L93 Difference]: Finished difference Result 18030 states and 48763 transitions. [2021-01-20 17:52:36,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-20 17:52:36,328 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 84 [2021-01-20 17:52:36,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 17:52:36,329 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-20 17:52:36,330 INFO L78 Accepts]: Start accepts. Automaton has 18030 states and 48763 transitions. Word has length 84 [2021-01-20 17:52:36,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 17:52:36,331 INFO L481 AbstractCegarLoop]: Abstraction has 18030 states and 48763 transitions. [2021-01-20 17:52:36,331 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:52:36,331 INFO L276 IsEmpty]: Start isEmpty. Operand 18030 states and 48763 transitions. [2021-01-20 17:52:36,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-01-20 17:52:36,343 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:52:36,343 INFO L504 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 17:52:36,344 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-20 17:52:36,344 INFO L429 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]=== [2021-01-20 17:52:36,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:52:36,345 INFO L82 PathProgramCache]: Analyzing trace with hash 1721777664, now seen corresponding path program 1 times [2021-01-20 17:52:36,345 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:52:36,345 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738736491] [2021-01-20 17:52:36,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:52:36,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:52:36,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:52:36,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738736491] [2021-01-20 17:52:36,483 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:52:36,483 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-20 17:52:36,483 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425784483] [2021-01-20 17:52:36,484 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-20 17:52:36,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:52:36,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-20 17:52:36,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-20 17:52:36,486 INFO L87 Difference]: Start difference. First operand 18030 states and 48763 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:52:36,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 17:52:36,654 INFO L93 Difference]: Finished difference Result 12888 states and 34321 transitions. [2021-01-20 17:52:36,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-20 17:52:36,655 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2021-01-20 17:52:36,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 17:52:36,656 INFO L769 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 [2021-01-20 17:52:36,656 INFO L78 Accepts]: Start accepts. Automaton has 12888 states and 34321 transitions. Word has length 90 [2021-01-20 17:52:36,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 17:52:36,658 INFO L481 AbstractCegarLoop]: Abstraction has 12888 states and 34321 transitions. [2021-01-20 17:52:36,658 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:52:36,658 INFO L276 IsEmpty]: Start isEmpty. Operand 12888 states and 34321 transitions. [2021-01-20 17:52:36,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-01-20 17:52:36,665 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:52:36,666 INFO L504 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 17:52:36,666 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-20 17:52:36,666 INFO L429 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]=== [2021-01-20 17:52:36,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:52:36,667 INFO L82 PathProgramCache]: Analyzing trace with hash 296778869, now seen corresponding path program 1 times [2021-01-20 17:52:36,667 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:52:36,667 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913590148] [2021-01-20 17:52:36,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:52:36,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:52:36,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:52:36,761 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913590148] [2021-01-20 17:52:36,761 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:52:36,761 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-20 17:52:36,762 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304170644] [2021-01-20 17:52:36,762 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-20 17:52:36,762 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:52:36,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-20 17:52:36,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-20 17:52:36,764 INFO L87 Difference]: Start difference. First operand 12888 states and 34321 transitions. Second operand has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:52:36,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 17:52:36,906 INFO L93 Difference]: Finished difference Result 23037 states and 61551 transitions. [2021-01-20 17:52:36,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-20 17:52:36,907 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2021-01-20 17:52:36,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 17:52:36,908 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-20 17:52:36,908 INFO L78 Accepts]: Start accepts. Automaton has 23037 states and 61551 transitions. Word has length 99 [2021-01-20 17:52:36,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 17:52:36,909 INFO L481 AbstractCegarLoop]: Abstraction has 23037 states and 61551 transitions. [2021-01-20 17:52:36,909 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:52:36,909 INFO L276 IsEmpty]: Start isEmpty. Operand 23037 states and 61551 transitions. [2021-01-20 17:52:36,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-01-20 17:52:36,917 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:52:36,917 INFO L504 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 17:52:36,917 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-20 17:52:36,918 INFO L429 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]=== [2021-01-20 17:52:36,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:52:36,918 INFO L82 PathProgramCache]: Analyzing trace with hash 1622088561, now seen corresponding path program 1 times [2021-01-20 17:52:36,919 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:52:36,919 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011377248] [2021-01-20 17:52:36,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:52:36,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:52:37,453 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2021-01-20 17:52:37,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:52:37,646 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011377248] [2021-01-20 17:52:37,646 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:52:37,646 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-01-20 17:52:37,647 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461293487] [2021-01-20 17:52:37,647 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-01-20 17:52:37,647 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:52:37,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-01-20 17:52:37,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-01-20 17:52:37,648 INFO L87 Difference]: Start difference. First operand 23037 states and 61551 transitions. Second operand has 14 states, 14 states have (on average 7.142857142857143) internal successors, (100), 14 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:52:38,379 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 44 [2021-01-20 17:52:38,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 17:52:38,838 INFO L93 Difference]: Finished difference Result 23125 states and 61781 transitions. [2021-01-20 17:52:38,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-01-20 17:52:38,839 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 7.142857142857143) internal successors, (100), 14 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2021-01-20 17:52:38,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 17:52:38,840 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=178, Invalid=422, Unknown=0, NotChecked=0, Total=600 [2021-01-20 17:52:38,840 INFO L78 Accepts]: Start accepts. Automaton has 23125 states and 61781 transitions. Word has length 100 [2021-01-20 17:52:38,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 17:52:38,840 INFO L481 AbstractCegarLoop]: Abstraction has 23125 states and 61781 transitions. [2021-01-20 17:52:38,840 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 7.142857142857143) internal successors, (100), 14 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:52:38,841 INFO L276 IsEmpty]: Start isEmpty. Operand 23125 states and 61781 transitions. [2021-01-20 17:52:38,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-01-20 17:52:38,847 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:52:38,848 INFO L504 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 17:52:38,848 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-20 17:52:38,848 INFO L429 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]=== [2021-01-20 17:52:38,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:52:38,849 INFO L82 PathProgramCache]: Analyzing trace with hash 1635000021, now seen corresponding path program 1 times [2021-01-20 17:52:38,849 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:52:38,849 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858296522] [2021-01-20 17:52:38,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:52:38,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:52:39,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:52:39,569 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858296522] [2021-01-20 17:52:39,569 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:52:39,570 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-01-20 17:52:39,570 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592609282] [2021-01-20 17:52:39,570 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-01-20 17:52:39,570 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:52:39,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-01-20 17:52:39,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2021-01-20 17:52:39,572 INFO L87 Difference]: Start difference. First operand 23125 states and 61781 transitions. Second operand has 17 states, 17 states have (on average 6.0) internal successors, (102), 17 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:52:41,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 17:52:41,285 INFO L93 Difference]: Finished difference Result 27109 states and 72281 transitions. [2021-01-20 17:52:41,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-01-20 17:52:41,285 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 6.0) internal successors, (102), 17 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2021-01-20 17:52:41,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 17:52:41,286 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=288, Invalid=834, Unknown=0, NotChecked=0, Total=1122 [2021-01-20 17:52:41,286 INFO L78 Accepts]: Start accepts. Automaton has 27109 states and 72281 transitions. Word has length 102 [2021-01-20 17:52:41,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 17:52:41,286 INFO L481 AbstractCegarLoop]: Abstraction has 27109 states and 72281 transitions. [2021-01-20 17:52:41,287 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 6.0) internal successors, (102), 17 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:52:41,287 INFO L276 IsEmpty]: Start isEmpty. Operand 27109 states and 72281 transitions. [2021-01-20 17:52:41,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-01-20 17:52:41,295 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:52:41,295 INFO L504 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 17:52:41,295 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-20 17:52:41,296 INFO L429 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]=== [2021-01-20 17:52:41,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:52:41,296 INFO L82 PathProgramCache]: Analyzing trace with hash -1044468409, now seen corresponding path program 2 times [2021-01-20 17:52:41,296 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:52:41,297 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658394837] [2021-01-20 17:52:41,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:52:41,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:52:41,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:52:41,854 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658394837] [2021-01-20 17:52:41,854 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:52:41,854 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-01-20 17:52:41,854 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293795722] [2021-01-20 17:52:41,854 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-01-20 17:52:41,854 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:52:41,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-01-20 17:52:41,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2021-01-20 17:52:41,856 INFO L87 Difference]: Start difference. First operand 27109 states and 72281 transitions. Second operand has 17 states, 17 states have (on average 6.0) internal successors, (102), 17 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:52:43,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 17:52:43,725 INFO L93 Difference]: Finished difference Result 27661 states and 73721 transitions. [2021-01-20 17:52:43,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-01-20 17:52:43,726 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 6.0) internal successors, (102), 17 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2021-01-20 17:52:43,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 17:52:43,727 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 139 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=285, Invalid=771, Unknown=0, NotChecked=0, Total=1056 [2021-01-20 17:52:43,727 INFO L78 Accepts]: Start accepts. Automaton has 27661 states and 73721 transitions. Word has length 102 [2021-01-20 17:52:43,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 17:52:43,727 INFO L481 AbstractCegarLoop]: Abstraction has 27661 states and 73721 transitions. [2021-01-20 17:52:43,727 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 6.0) internal successors, (102), 17 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:52:43,727 INFO L276 IsEmpty]: Start isEmpty. Operand 27661 states and 73721 transitions. [2021-01-20 17:52:43,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-01-20 17:52:43,736 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:52:43,736 INFO L504 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 17:52:43,736 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-20 17:52:43,737 INFO L429 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]=== [2021-01-20 17:52:43,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:52:43,737 INFO L82 PathProgramCache]: Analyzing trace with hash 198319295, now seen corresponding path program 3 times [2021-01-20 17:52:43,737 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:52:43,738 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734927577] [2021-01-20 17:52:43,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:52:43,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:52:44,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:52:44,410 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734927577] [2021-01-20 17:52:44,410 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:52:44,411 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-01-20 17:52:44,411 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485484248] [2021-01-20 17:52:44,412 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-01-20 17:52:44,412 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:52:44,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-01-20 17:52:44,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2021-01-20 17:52:44,413 INFO L87 Difference]: Start difference. First operand 27661 states and 73721 transitions. Second operand has 17 states, 17 states have (on average 6.0) internal successors, (102), 17 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:52:45,370 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 50 [2021-01-20 17:52:46,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 17:52:46,056 INFO L93 Difference]: Finished difference Result 27293 states and 72715 transitions. [2021-01-20 17:52:46,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-01-20 17:52:46,058 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 6.0) internal successors, (102), 17 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2021-01-20 17:52:46,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 17:52:46,059 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=215, Invalid=597, Unknown=0, NotChecked=0, Total=812 [2021-01-20 17:52:46,059 INFO L78 Accepts]: Start accepts. Automaton has 27293 states and 72715 transitions. Word has length 102 [2021-01-20 17:52:46,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 17:52:46,059 INFO L481 AbstractCegarLoop]: Abstraction has 27293 states and 72715 transitions. [2021-01-20 17:52:46,060 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 6.0) internal successors, (102), 17 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:52:46,060 INFO L276 IsEmpty]: Start isEmpty. Operand 27293 states and 72715 transitions. [2021-01-20 17:52:46,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-01-20 17:52:46,068 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:52:46,068 INFO L504 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 17:52:46,068 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-20 17:52:46,069 INFO L429 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]=== [2021-01-20 17:52:46,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:52:46,069 INFO L82 PathProgramCache]: Analyzing trace with hash 1440435735, now seen corresponding path program 1 times [2021-01-20 17:52:46,069 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:52:46,070 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249574039] [2021-01-20 17:52:46,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:52:46,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:52:46,983 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 25 [2021-01-20 17:52:47,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:52:47,479 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249574039] [2021-01-20 17:52:47,479 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:52:47,479 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-01-20 17:52:47,480 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972767708] [2021-01-20 17:52:47,480 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-01-20 17:52:47,480 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:52:47,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-01-20 17:52:47,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=578, Unknown=0, NotChecked=0, Total=650 [2021-01-20 17:52:47,481 INFO L87 Difference]: Start difference. First operand 27293 states and 72715 transitions. Second operand has 26 states, 26 states have (on average 4.0) internal successors, (104), 26 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:52:48,393 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 46 [2021-01-20 17:52:48,553 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 48 [2021-01-20 17:52:48,865 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 45 [2021-01-20 17:52:49,120 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 49 [2021-01-20 17:52:49,324 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 51 [2021-01-20 17:52:49,644 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 51 [2021-01-20 17:52:49,857 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 55 [2021-01-20 17:52:51,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 17:52:51,159 INFO L93 Difference]: Finished difference Result 27113 states and 72373 transitions. [2021-01-20 17:52:51,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-01-20 17:52:51,160 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 4.0) internal successors, (104), 26 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2021-01-20 17:52:51,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 17:52:51,162 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 503 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=477, Invalid=1973, Unknown=0, NotChecked=0, Total=2450 [2021-01-20 17:52:51,162 INFO L78 Accepts]: Start accepts. Automaton has 27113 states and 72373 transitions. Word has length 104 [2021-01-20 17:52:51,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 17:52:51,162 INFO L481 AbstractCegarLoop]: Abstraction has 27113 states and 72373 transitions. [2021-01-20 17:52:51,162 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.0) internal successors, (104), 26 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:52:51,162 INFO L276 IsEmpty]: Start isEmpty. Operand 27113 states and 72373 transitions. [2021-01-20 17:52:51,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-01-20 17:52:51,171 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:52:51,171 INFO L504 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, 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, 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] [2021-01-20 17:52:51,171 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-20 17:52:51,171 INFO L429 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]=== [2021-01-20 17:52:51,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:52:51,172 INFO L82 PathProgramCache]: Analyzing trace with hash -1679294597, now seen corresponding path program 1 times [2021-01-20 17:52:51,172 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:52:51,172 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049891977] [2021-01-20 17:52:51,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:52:51,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:52:52,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:52:52,836 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049891977] [2021-01-20 17:52:52,836 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:52:52,836 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-01-20 17:52:52,836 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748161458] [2021-01-20 17:52:52,837 INFO L461 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-01-20 17:52:52,837 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:52:52,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-01-20 17:52:52,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=677, Unknown=0, NotChecked=0, Total=756 [2021-01-20 17:52:52,838 INFO L87 Difference]: Start difference. First operand 27113 states and 72373 transitions. Second operand has 28 states, 28 states have (on average 3.7857142857142856) internal successors, (106), 28 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:52:53,688 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 44 [2021-01-20 17:52:53,848 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 49 [2021-01-20 17:52:54,016 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 51 [2021-01-20 17:52:54,283 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 48 [2021-01-20 17:52:54,527 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 52 [2021-01-20 17:52:54,793 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 54 [2021-01-20 17:52:55,205 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 54 [2021-01-20 17:52:55,465 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 58 [2021-01-20 17:52:55,622 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2021-01-20 17:52:57,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 17:52:57,560 INFO L93 Difference]: Finished difference Result 30416 states and 81005 transitions. [2021-01-20 17:52:57,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-01-20 17:52:57,561 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.7857142857142856) internal successors, (106), 28 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2021-01-20 17:52:57,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 17:52:57,563 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 789 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=613, Invalid=2693, Unknown=0, NotChecked=0, Total=3306 [2021-01-20 17:52:57,563 INFO L78 Accepts]: Start accepts. Automaton has 30416 states and 81005 transitions. Word has length 106 [2021-01-20 17:52:57,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 17:52:57,563 INFO L481 AbstractCegarLoop]: Abstraction has 30416 states and 81005 transitions. [2021-01-20 17:52:57,564 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 3.7857142857142856) internal successors, (106), 28 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:52:57,564 INFO L276 IsEmpty]: Start isEmpty. Operand 30416 states and 81005 transitions. [2021-01-20 17:52:57,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-01-20 17:52:57,575 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:52:57,575 INFO L504 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, 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, 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] [2021-01-20 17:52:57,575 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-01-20 17:52:57,576 INFO L429 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]=== [2021-01-20 17:52:57,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:52:57,576 INFO L82 PathProgramCache]: Analyzing trace with hash -1369767815, now seen corresponding path program 2 times [2021-01-20 17:52:57,577 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:52:57,577 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153820414] [2021-01-20 17:52:57,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:52:57,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:52:59,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:52:59,319 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153820414] [2021-01-20 17:52:59,320 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:52:59,321 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-01-20 17:52:59,321 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415059766] [2021-01-20 17:52:59,321 INFO L461 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-01-20 17:52:59,322 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:52:59,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-01-20 17:52:59,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=679, Unknown=0, NotChecked=0, Total=756 [2021-01-20 17:52:59,323 INFO L87 Difference]: Start difference. First operand 30416 states and 81005 transitions. Second operand has 28 states, 28 states have (on average 3.7857142857142856) internal successors, (106), 28 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:53:00,416 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 49 [2021-01-20 17:53:00,573 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 51 [2021-01-20 17:53:00,718 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 49 [2021-01-20 17:53:00,863 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 44 [2021-01-20 17:53:01,322 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 52 [2021-01-20 17:53:01,569 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 54 [2021-01-20 17:53:01,914 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 54 [2021-01-20 17:53:02,163 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 58 [2021-01-20 17:53:03,088 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-01-20 17:53:03,244 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2021-01-20 17:53:03,434 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2021-01-20 17:53:04,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 17:53:04,606 INFO L93 Difference]: Finished difference Result 31985 states and 85105 transitions. [2021-01-20 17:53:04,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-01-20 17:53:04,607 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.7857142857142856) internal successors, (106), 28 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2021-01-20 17:53:04,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 17:53:04,610 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 811 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=693, Invalid=2967, Unknown=0, NotChecked=0, Total=3660 [2021-01-20 17:53:04,611 INFO L78 Accepts]: Start accepts. Automaton has 31985 states and 85105 transitions. Word has length 106 [2021-01-20 17:53:04,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 17:53:04,611 INFO L481 AbstractCegarLoop]: Abstraction has 31985 states and 85105 transitions. [2021-01-20 17:53:04,611 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 3.7857142857142856) internal successors, (106), 28 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:53:04,611 INFO L276 IsEmpty]: Start isEmpty. Operand 31985 states and 85105 transitions. [2021-01-20 17:53:04,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-01-20 17:53:04,621 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:53:04,622 INFO L504 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, 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, 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] [2021-01-20 17:53:04,622 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-01-20 17:53:04,624 INFO L429 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]=== [2021-01-20 17:53:04,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:53:04,624 INFO L82 PathProgramCache]: Analyzing trace with hash 518636183, now seen corresponding path program 3 times [2021-01-20 17:53:04,625 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:53:04,625 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73197989] [2021-01-20 17:53:04,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:53:04,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:53:06,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:53:06,226 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73197989] [2021-01-20 17:53:06,226 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:53:06,226 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2021-01-20 17:53:06,226 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059136069] [2021-01-20 17:53:06,227 INFO L461 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-01-20 17:53:06,227 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:53:06,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-01-20 17:53:06,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=679, Unknown=0, NotChecked=0, Total=756 [2021-01-20 17:53:06,228 INFO L87 Difference]: Start difference. First operand 31985 states and 85105 transitions. Second operand has 28 states, 28 states have (on average 3.7857142857142856) internal successors, (106), 28 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:53:07,352 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 49 [2021-01-20 17:53:07,621 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 51 [2021-01-20 17:53:08,139 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 48 [2021-01-20 17:53:08,371 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 52 [2021-01-20 17:53:08,603 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 54 [2021-01-20 17:53:08,975 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 54 [2021-01-20 17:53:09,218 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 58 [2021-01-20 17:53:10,134 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2021-01-20 17:53:10,312 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-01-20 17:53:10,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 17:53:10,996 INFO L93 Difference]: Finished difference Result 19737 states and 52177 transitions. [2021-01-20 17:53:10,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-01-20 17:53:10,997 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.7857142857142856) internal successors, (106), 28 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2021-01-20 17:53:10,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 17:53:10,998 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 642 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=622, Invalid=2570, Unknown=0, NotChecked=0, Total=3192 [2021-01-20 17:53:10,998 INFO L78 Accepts]: Start accepts. Automaton has 19737 states and 52177 transitions. Word has length 106 [2021-01-20 17:53:10,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 17:53:10,998 INFO L481 AbstractCegarLoop]: Abstraction has 19737 states and 52177 transitions. [2021-01-20 17:53:10,998 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 3.7857142857142856) internal successors, (106), 28 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:53:10,999 INFO L276 IsEmpty]: Start isEmpty. Operand 19737 states and 52177 transitions. [2021-01-20 17:53:11,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-01-20 17:53:11,024 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:53:11,024 INFO L504 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 17:53:11,025 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-20 17:53:11,025 INFO L429 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]=== [2021-01-20 17:53:11,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:53:11,025 INFO L82 PathProgramCache]: Analyzing trace with hash -1493529709, now seen corresponding path program 1 times [2021-01-20 17:53:11,026 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:53:11,026 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818785967] [2021-01-20 17:53:11,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:53:11,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:53:11,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:53:11,086 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818785967] [2021-01-20 17:53:11,086 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:53:11,086 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-20 17:53:11,087 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221988371] [2021-01-20 17:53:11,087 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-20 17:53:11,087 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:53:11,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-20 17:53:11,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-20 17:53:11,088 INFO L87 Difference]: Start difference. First operand 19737 states and 52177 transitions. Second operand has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:53:11,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 17:53:11,147 INFO L93 Difference]: Finished difference Result 11850 states and 29698 transitions. [2021-01-20 17:53:11,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-20 17:53:11,148 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 172 [2021-01-20 17:53:11,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 17:53:11,148 INFO L769 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 [2021-01-20 17:53:11,148 INFO L78 Accepts]: Start accepts. Automaton has 11850 states and 29698 transitions. Word has length 172 [2021-01-20 17:53:11,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 17:53:11,149 INFO L481 AbstractCegarLoop]: Abstraction has 11850 states and 29698 transitions. [2021-01-20 17:53:11,149 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:53:11,149 INFO L276 IsEmpty]: Start isEmpty. Operand 11850 states and 29698 transitions. [2021-01-20 17:53:11,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2021-01-20 17:53:11,169 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:53:11,170 INFO L504 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 17:53:11,170 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-01-20 17:53:11,171 INFO L429 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]=== [2021-01-20 17:53:11,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:53:11,172 INFO L82 PathProgramCache]: Analyzing trace with hash 2003117961, now seen corresponding path program 1 times [2021-01-20 17:53:11,172 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:53:11,175 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60281370] [2021-01-20 17:53:11,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:53:11,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:53:11,768 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 19 [2021-01-20 17:53:12,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:53:12,622 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60281370] [2021-01-20 17:53:12,622 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:53:12,622 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-01-20 17:53:12,622 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193340902] [2021-01-20 17:53:12,623 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-01-20 17:53:12,623 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:53:12,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-01-20 17:53:12,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=556, Unknown=0, NotChecked=0, Total=650 [2021-01-20 17:53:12,624 INFO L87 Difference]: Start difference. First operand 11850 states and 29698 transitions. Second operand has 26 states, 26 states have (on average 6.653846153846154) internal successors, (173), 26 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:53:13,715 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 46 [2021-01-20 17:53:13,897 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 48 [2021-01-20 17:53:14,160 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 50 [2021-01-20 17:53:14,356 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 48 [2021-01-20 17:53:14,538 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 50 [2021-01-20 17:53:14,710 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 52 [2021-01-20 17:53:14,866 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 50 [2021-01-20 17:53:15,622 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 53 [2021-01-20 17:53:15,780 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 57 [2021-01-20 17:53:16,094 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2021-01-20 17:53:16,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 17:53:16,697 INFO L93 Difference]: Finished difference Result 12090 states and 30280 transitions. [2021-01-20 17:53:16,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-01-20 17:53:16,697 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 6.653846153846154) internal successors, (173), 26 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 173 [2021-01-20 17:53:16,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 17:53:16,699 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 618 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=632, Invalid=2230, Unknown=0, NotChecked=0, Total=2862 [2021-01-20 17:53:16,699 INFO L78 Accepts]: Start accepts. Automaton has 12090 states and 30280 transitions. Word has length 173 [2021-01-20 17:53:16,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 17:53:16,699 INFO L481 AbstractCegarLoop]: Abstraction has 12090 states and 30280 transitions. [2021-01-20 17:53:16,700 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 6.653846153846154) internal successors, (173), 26 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:53:16,700 INFO L276 IsEmpty]: Start isEmpty. Operand 12090 states and 30280 transitions. [2021-01-20 17:53:16,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-01-20 17:53:16,711 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:53:16,711 INFO L504 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 17:53:16,712 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-01-20 17:53:16,712 INFO L429 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]=== [2021-01-20 17:53:16,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:53:16,712 INFO L82 PathProgramCache]: Analyzing trace with hash 1137732526, now seen corresponding path program 1 times [2021-01-20 17:53:16,712 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:53:16,713 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076058556] [2021-01-20 17:53:16,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:53:16,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:53:18,006 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 25 [2021-01-20 17:53:19,056 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 34 [2021-01-20 17:53:19,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:53:19,683 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076058556] [2021-01-20 17:53:19,683 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:53:19,683 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [34] imperfect sequences [] total 34 [2021-01-20 17:53:19,683 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963074772] [2021-01-20 17:53:19,684 INFO L461 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-01-20 17:53:19,684 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:53:19,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-01-20 17:53:19,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=978, Unknown=0, NotChecked=0, Total=1122 [2021-01-20 17:53:19,685 INFO L87 Difference]: Start difference. First operand 12090 states and 30280 transitions. Second operand has 34 states, 34 states have (on average 5.205882352941177) internal successors, (177), 34 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:53:20,633 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 44 [2021-01-20 17:53:20,804 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 49 [2021-01-20 17:53:20,993 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 51 [2021-01-20 17:53:21,266 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 50 [2021-01-20 17:53:21,509 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 54 [2021-01-20 17:53:21,742 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 58 [2021-01-20 17:53:22,185 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 59 [2021-01-20 17:53:22,468 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 58 [2021-01-20 17:53:22,725 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 60 [2021-01-20 17:53:22,909 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 51 [2021-01-20 17:53:23,087 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 54 [2021-01-20 17:53:23,473 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 53 [2021-01-20 17:53:23,944 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 57 [2021-01-20 17:53:24,197 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 51 [2021-01-20 17:53:25,370 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2021-01-20 17:53:25,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 17:53:25,661 INFO L93 Difference]: Finished difference Result 13842 states and 34694 transitions. [2021-01-20 17:53:25,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-01-20 17:53:25,662 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 5.205882352941177) internal successors, (177), 34 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 177 [2021-01-20 17:53:25,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 17:53:25,664 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 3 SyntacticMatches, 8 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1315 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=904, Invalid=3788, Unknown=0, NotChecked=0, Total=4692 [2021-01-20 17:53:25,664 INFO L78 Accepts]: Start accepts. Automaton has 13842 states and 34694 transitions. Word has length 177 [2021-01-20 17:53:25,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 17:53:25,665 INFO L481 AbstractCegarLoop]: Abstraction has 13842 states and 34694 transitions. [2021-01-20 17:53:25,665 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 5.205882352941177) internal successors, (177), 34 states have internal predecessors, (177), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:53:25,665 INFO L276 IsEmpty]: Start isEmpty. Operand 13842 states and 34694 transitions. [2021-01-20 17:53:25,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-01-20 17:53:25,679 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:53:25,679 INFO L504 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 17:53:25,680 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-01-20 17:53:25,680 INFO L429 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]=== [2021-01-20 17:53:25,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:53:25,680 INFO L82 PathProgramCache]: Analyzing trace with hash -1994799149, now seen corresponding path program 1 times [2021-01-20 17:53:25,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:53:25,688 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145618133] [2021-01-20 17:53:25,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:53:25,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:53:26,697 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 38 [2021-01-20 17:53:26,930 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 42 [2021-01-20 17:53:27,223 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 44 [2021-01-20 17:53:27,635 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 48 [2021-01-20 17:53:27,975 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2021-01-20 17:53:28,203 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2021-01-20 17:53:28,407 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 37 [2021-01-20 17:53:28,636 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 34 [2021-01-20 17:53:28,855 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 36 [2021-01-20 17:53:29,186 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2021-01-20 17:53:29,350 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 29 [2021-01-20 17:53:29,521 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 29 [2021-01-20 17:53:29,751 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 36 [2021-01-20 17:53:29,943 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 29 [2021-01-20 17:53:30,184 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 27 [2021-01-20 17:53:30,379 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 32 [2021-01-20 17:53:32,137 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 44 [2021-01-20 17:53:32,456 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 44 [2021-01-20 17:53:32,739 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 36 [2021-01-20 17:53:35,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:53:35,353 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145618133] [2021-01-20 17:53:35,353 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:53:35,353 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [51] imperfect sequences [] total 51 [2021-01-20 17:53:35,353 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295429939] [2021-01-20 17:53:35,354 INFO L461 AbstractCegarLoop]: Interpolant automaton has 51 states [2021-01-20 17:53:35,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:53:35,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-01-20 17:53:35,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=2360, Unknown=0, NotChecked=0, Total=2550 [2021-01-20 17:53:35,355 INFO L87 Difference]: Start difference. First operand 13842 states and 34694 transitions. Second operand has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:53:37,274 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 40 [2021-01-20 17:53:37,639 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 46 [2021-01-20 17:53:38,089 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 51 [2021-01-20 17:53:38,856 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 42 [2021-01-20 17:53:39,665 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 50 [2021-01-20 17:53:40,492 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 54 [2021-01-20 17:53:41,218 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 57 [2021-01-20 17:53:42,070 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 59 [2021-01-20 17:53:43,225 WARN L193 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 84 [2021-01-20 17:53:44,551 WARN L193 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 82 [2021-01-20 17:53:46,352 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 59 [2021-01-20 17:53:46,618 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2021-01-20 17:53:46,911 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 43 [2021-01-20 17:53:47,096 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2021-01-20 17:53:47,447 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 42 [2021-01-20 17:53:47,675 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2021-01-20 17:53:48,586 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 48 [2021-01-20 17:53:49,125 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 59 [2021-01-20 17:53:49,551 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 69 [2021-01-20 17:53:50,135 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 73 [2021-01-20 17:53:50,657 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 67 [2021-01-20 17:53:51,287 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 57 [2021-01-20 17:53:52,222 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 62 [2021-01-20 17:53:52,856 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 59 [2021-01-20 17:53:53,383 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 63 [2021-01-20 17:53:53,998 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 69 [2021-01-20 17:53:54,601 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 76 [2021-01-20 17:53:55,189 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 54 [2021-01-20 17:53:55,510 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 57 [2021-01-20 17:53:57,575 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2021-01-20 17:53:58,296 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2021-01-20 17:53:58,960 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2021-01-20 17:53:59,297 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2021-01-20 17:54:00,066 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-01-20 17:54:00,615 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2021-01-20 17:54:01,332 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-01-20 17:54:03,365 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2021-01-20 17:54:03,757 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2021-01-20 17:54:04,646 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-01-20 17:54:05,332 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2021-01-20 17:54:07,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 17:54:07,063 INFO L93 Difference]: Finished difference Result 18360 states and 45740 transitions. [2021-01-20 17:54:07,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-01-20 17:54:07,065 INFO L78 Accepts]: Start accepts. Automaton has has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 181 [2021-01-20 17:54:07,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 17:54:07,071 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 17 SyntacticMatches, 3 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4335 ImplicationChecksByTransitivity, 27.3s TimeCoverageRelationStatistics Valid=1564, Invalid=14438, Unknown=0, NotChecked=0, Total=16002 [2021-01-20 17:54:07,071 INFO L78 Accepts]: Start accepts. Automaton has 18360 states and 45740 transitions. Word has length 181 [2021-01-20 17:54:07,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 17:54:07,071 INFO L481 AbstractCegarLoop]: Abstraction has 18360 states and 45740 transitions. [2021-01-20 17:54:07,071 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:54:07,072 INFO L276 IsEmpty]: Start isEmpty. Operand 18360 states and 45740 transitions. [2021-01-20 17:54:07,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-01-20 17:54:07,087 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:54:07,088 INFO L504 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 17:54:07,088 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-01-20 17:54:07,088 INFO L429 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]=== [2021-01-20 17:54:07,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:54:07,089 INFO L82 PathProgramCache]: Analyzing trace with hash -2133978695, now seen corresponding path program 2 times [2021-01-20 17:54:07,089 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:54:07,089 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985800020] [2021-01-20 17:54:07,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:54:07,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:54:08,077 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 38 [2021-01-20 17:54:08,340 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 42 [2021-01-20 17:54:08,666 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 44 [2021-01-20 17:54:09,167 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 48 [2021-01-20 17:54:09,495 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2021-01-20 17:54:09,841 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2021-01-20 17:54:10,132 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 37 [2021-01-20 17:54:10,550 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 34 [2021-01-20 17:54:10,832 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2021-01-20 17:54:11,127 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2021-01-20 17:54:11,311 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 29 [2021-01-20 17:54:11,501 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 29 [2021-01-20 17:54:11,759 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 36 [2021-01-20 17:54:11,966 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 29 [2021-01-20 17:54:12,232 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 27 [2021-01-20 17:54:12,448 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 32 [2021-01-20 17:54:13,323 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2021-01-20 17:54:14,379 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 44 [2021-01-20 17:54:14,718 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 44 [2021-01-20 17:54:15,038 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 36 [2021-01-20 17:54:17,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:54:17,811 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985800020] [2021-01-20 17:54:17,811 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:54:17,811 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [51] imperfect sequences [] total 51 [2021-01-20 17:54:17,811 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851422585] [2021-01-20 17:54:17,812 INFO L461 AbstractCegarLoop]: Interpolant automaton has 51 states [2021-01-20 17:54:17,812 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:54:17,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-01-20 17:54:17,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=2360, Unknown=0, NotChecked=0, Total=2550 [2021-01-20 17:54:17,814 INFO L87 Difference]: Start difference. First operand 18360 states and 45740 transitions. Second operand has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:54:19,959 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 40 [2021-01-20 17:54:20,383 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 46 [2021-01-20 17:54:20,922 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 51 [2021-01-20 17:54:21,944 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 48 [2021-01-20 17:54:22,930 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 50 [2021-01-20 17:54:23,921 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 54 [2021-01-20 17:54:24,755 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 57 [2021-01-20 17:54:25,745 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 59 [2021-01-20 17:54:27,018 WARN L193 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 84 [2021-01-20 17:54:28,181 WARN L193 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 82 [2021-01-20 17:54:29,050 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2021-01-20 17:54:29,486 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2021-01-20 17:54:29,810 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 43 [2021-01-20 17:54:30,159 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 42 [2021-01-20 17:54:30,402 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2021-01-20 17:54:30,799 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2021-01-20 17:54:31,279 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 48 [2021-01-20 17:54:31,878 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 59 [2021-01-20 17:54:32,338 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 69 [2021-01-20 17:54:32,957 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 73 [2021-01-20 17:54:33,507 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 67 [2021-01-20 17:54:34,059 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 57 [2021-01-20 17:54:34,598 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 62 [2021-01-20 17:54:35,282 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 59 [2021-01-20 17:54:35,819 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 63 [2021-01-20 17:54:36,404 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 69 [2021-01-20 17:54:36,948 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 76 [2021-01-20 17:54:37,523 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 54 [2021-01-20 17:54:37,907 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 57 [2021-01-20 17:54:39,804 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2021-01-20 17:54:40,407 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2021-01-20 17:54:41,252 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2021-01-20 17:54:41,672 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2021-01-20 17:54:42,576 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-01-20 17:54:43,199 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2021-01-20 17:54:43,716 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-01-20 17:54:44,021 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-01-20 17:54:44,637 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-01-20 17:54:44,950 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-01-20 17:54:46,370 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2021-01-20 17:54:46,775 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2021-01-20 17:54:47,723 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-01-20 17:54:48,511 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2021-01-20 17:54:50,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 17:54:50,151 INFO L93 Difference]: Finished difference Result 22380 states and 55506 transitions. [2021-01-20 17:54:50,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2021-01-20 17:54:50,152 INFO L78 Accepts]: Start accepts. Automaton has has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 181 [2021-01-20 17:54:50,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 17:54:50,157 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 16 SyntacticMatches, 3 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4237 ImplicationChecksByTransitivity, 30.1s TimeCoverageRelationStatistics Valid=1539, Invalid=14211, Unknown=0, NotChecked=0, Total=15750 [2021-01-20 17:54:50,157 INFO L78 Accepts]: Start accepts. Automaton has 22380 states and 55506 transitions. Word has length 181 [2021-01-20 17:54:50,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 17:54:50,158 INFO L481 AbstractCegarLoop]: Abstraction has 22380 states and 55506 transitions. [2021-01-20 17:54:50,158 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:54:50,158 INFO L276 IsEmpty]: Start isEmpty. Operand 22380 states and 55506 transitions. [2021-01-20 17:54:50,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-01-20 17:54:50,179 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:54:50,179 INFO L504 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 17:54:50,179 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-01-20 17:54:50,179 INFO L429 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]=== [2021-01-20 17:54:50,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:54:50,180 INFO L82 PathProgramCache]: Analyzing trace with hash -717794221, now seen corresponding path program 3 times [2021-01-20 17:54:50,180 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:54:50,180 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151712642] [2021-01-20 17:54:50,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:54:50,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:54:51,343 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 38 [2021-01-20 17:54:51,645 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 42 [2021-01-20 17:54:52,011 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 44 [2021-01-20 17:54:52,523 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 48 [2021-01-20 17:54:52,875 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2021-01-20 17:54:53,258 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2021-01-20 17:54:53,551 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 37 [2021-01-20 17:54:53,858 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 34 [2021-01-20 17:54:54,239 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2021-01-20 17:54:54,449 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 27 [2021-01-20 17:54:54,660 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 27 [2021-01-20 17:54:54,951 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 34 [2021-01-20 17:54:55,191 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 27 [2021-01-20 17:54:55,530 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 29 [2021-01-20 17:54:55,770 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 27 [2021-01-20 17:54:56,021 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 32 [2021-01-20 17:54:56,641 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2021-01-20 17:54:56,866 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2021-01-20 17:54:57,099 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2021-01-20 17:54:57,705 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2021-01-20 17:54:57,956 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 40 [2021-01-20 17:54:58,365 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 44 [2021-01-20 17:54:58,776 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 44 [2021-01-20 17:54:59,142 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 36 [2021-01-20 17:55:02,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:55:02,474 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151712642] [2021-01-20 17:55:02,474 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:55:02,474 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [51] imperfect sequences [] total 51 [2021-01-20 17:55:02,474 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247048854] [2021-01-20 17:55:02,475 INFO L461 AbstractCegarLoop]: Interpolant automaton has 51 states [2021-01-20 17:55:02,475 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:55:02,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-01-20 17:55:02,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=189, Invalid=2361, Unknown=0, NotChecked=0, Total=2550 [2021-01-20 17:55:02,476 INFO L87 Difference]: Start difference. First operand 22380 states and 55506 transitions. Second operand has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:55:04,412 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 36 [2021-01-20 17:55:04,811 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 40 [2021-01-20 17:55:05,221 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 46 [2021-01-20 17:55:05,738 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 51 [2021-01-20 17:55:06,709 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 48 [2021-01-20 17:55:07,431 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 52 [2021-01-20 17:55:08,165 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 55 [2021-01-20 17:55:09,051 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 57 [2021-01-20 17:55:10,516 WARN L193 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 82 [2021-01-20 17:55:12,013 WARN L193 SmtUtils]: Spent 851.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 80 [2021-01-20 17:55:13,726 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2021-01-20 17:55:15,581 WARN L193 SmtUtils]: Spent 965.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 84 [2021-01-20 17:55:17,197 WARN L193 SmtUtils]: Spent 868.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 82 [2021-01-20 17:55:18,314 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2021-01-20 17:55:20,179 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2021-01-20 17:55:20,622 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 43 [2021-01-20 17:55:21,197 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 42 [2021-01-20 17:55:21,547 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2021-01-20 17:55:22,152 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2021-01-20 17:55:22,919 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 48 [2021-01-20 17:55:23,709 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 59 [2021-01-20 17:55:24,330 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 69 [2021-01-20 17:55:25,272 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 73 [2021-01-20 17:55:25,927 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 67 [2021-01-20 17:55:26,569 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 57 [2021-01-20 17:55:27,220 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 62 [2021-01-20 17:55:28,052 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 59 [2021-01-20 17:55:28,703 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 63 [2021-01-20 17:55:29,455 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 69 [2021-01-20 17:55:30,169 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 76 [2021-01-20 17:55:30,633 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2021-01-20 17:55:30,910 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 54 [2021-01-20 17:55:31,413 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 57 [2021-01-20 17:55:34,123 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2021-01-20 17:55:34,900 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2021-01-20 17:55:35,969 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2021-01-20 17:55:36,512 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2021-01-20 17:55:37,630 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-01-20 17:55:38,057 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-01-20 17:55:38,444 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2021-01-20 17:55:38,868 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-01-20 17:55:39,112 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-01-20 17:55:39,464 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-01-20 17:55:39,794 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-01-20 17:55:40,030 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-01-20 17:55:40,498 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-01-20 17:55:41,050 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-01-20 17:55:41,466 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-01-20 17:55:42,764 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2021-01-20 17:55:43,308 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2021-01-20 17:55:43,836 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-01-20 17:55:44,814 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-01-20 17:55:45,224 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-01-20 17:55:45,820 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2021-01-20 17:55:48,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 17:55:48,301 INFO L93 Difference]: Finished difference Result 26564 states and 65646 transitions. [2021-01-20 17:55:48,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-01-20 17:55:48,303 INFO L78 Accepts]: Start accepts. Automaton has has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 181 [2021-01-20 17:55:48,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 17:55:48,306 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 16 SyntacticMatches, 3 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4415 ImplicationChecksByTransitivity, 36.8s TimeCoverageRelationStatistics Valid=1566, Invalid=14690, Unknown=0, NotChecked=0, Total=16256 [2021-01-20 17:55:48,306 INFO L78 Accepts]: Start accepts. Automaton has 26564 states and 65646 transitions. Word has length 181 [2021-01-20 17:55:48,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 17:55:48,307 INFO L481 AbstractCegarLoop]: Abstraction has 26564 states and 65646 transitions. [2021-01-20 17:55:48,307 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:55:48,307 INFO L276 IsEmpty]: Start isEmpty. Operand 26564 states and 65646 transitions. [2021-01-20 17:55:48,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-01-20 17:55:48,330 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:55:48,330 INFO L504 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 17:55:48,330 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-01-20 17:55:48,330 INFO L429 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]=== [2021-01-20 17:55:48,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:55:48,331 INFO L82 PathProgramCache]: Analyzing trace with hash 852186259, now seen corresponding path program 4 times [2021-01-20 17:55:48,331 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:55:48,331 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467606790] [2021-01-20 17:55:48,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:55:48,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:55:49,632 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 38 [2021-01-20 17:55:50,009 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 42 [2021-01-20 17:55:50,458 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 44 [2021-01-20 17:55:51,126 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 48 [2021-01-20 17:55:51,603 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2021-01-20 17:55:52,103 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2021-01-20 17:55:52,481 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 37 [2021-01-20 17:55:52,882 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 34 [2021-01-20 17:55:53,366 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2021-01-20 17:55:53,628 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 27 [2021-01-20 17:55:53,894 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 27 [2021-01-20 17:55:54,241 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 34 [2021-01-20 17:55:54,519 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 27 [2021-01-20 17:55:54,881 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 25 [2021-01-20 17:55:55,181 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 30 [2021-01-20 17:55:55,427 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 25 [2021-01-20 17:55:55,701 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2021-01-20 17:55:55,963 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 31 [2021-01-20 17:55:56,199 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2021-01-20 17:55:56,463 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2021-01-20 17:55:56,740 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2021-01-20 17:55:56,992 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2021-01-20 17:55:57,492 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2021-01-20 17:55:57,797 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 40 [2021-01-20 17:55:58,286 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 44 [2021-01-20 17:55:58,793 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 44 [2021-01-20 17:55:59,242 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 36 [2021-01-20 17:55:59,709 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 30 [2021-01-20 17:56:00,674 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 30 [2021-01-20 17:56:00,955 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26 [2021-01-20 17:56:01,230 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26 [2021-01-20 17:56:01,787 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 30 [2021-01-20 17:56:02,537 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 24 [2021-01-20 17:56:03,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:56:03,070 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467606790] [2021-01-20 17:56:03,070 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:56:03,070 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [51] imperfect sequences [] total 51 [2021-01-20 17:56:03,070 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980977642] [2021-01-20 17:56:03,071 INFO L461 AbstractCegarLoop]: Interpolant automaton has 51 states [2021-01-20 17:56:03,071 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:56:03,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-01-20 17:56:03,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=200, Invalid=2350, Unknown=0, NotChecked=0, Total=2550 [2021-01-20 17:56:03,072 INFO L87 Difference]: Start difference. First operand 26564 states and 65646 transitions. Second operand has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:56:05,988 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 36 [2021-01-20 17:56:06,729 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 40 [2021-01-20 17:56:07,155 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 46 [2021-01-20 17:56:07,639 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 51 [2021-01-20 17:56:08,601 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 48 [2021-01-20 17:56:09,332 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 52 [2021-01-20 17:56:10,051 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 55 [2021-01-20 17:56:10,955 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 57 [2021-01-20 17:56:12,490 WARN L193 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 82 [2021-01-20 17:56:14,055 WARN L193 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 80 [2021-01-20 17:56:15,796 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2021-01-20 17:56:16,952 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2021-01-20 17:56:17,327 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 41 [2021-01-20 17:56:17,806 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 40 [2021-01-20 17:56:18,302 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 41 [2021-01-20 17:56:19,474 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 42 [2021-01-20 17:56:19,755 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2021-01-20 17:56:19,972 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 35 [2021-01-20 17:56:20,393 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 33 [2021-01-20 17:56:20,811 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2021-01-20 17:56:22,075 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 48 [2021-01-20 17:56:22,663 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 38 [2021-01-20 17:56:23,293 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 59 [2021-01-20 17:56:23,946 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 69 [2021-01-20 17:56:24,376 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 47 [2021-01-20 17:56:25,165 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 73 [2021-01-20 17:56:25,669 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 49 [2021-01-20 17:56:26,446 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 67 [2021-01-20 17:56:26,993 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2021-01-20 17:56:27,957 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 57 [2021-01-20 17:56:28,967 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 62 [2021-01-20 17:56:29,989 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 59 [2021-01-20 17:56:30,957 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 63 [2021-01-20 17:56:31,685 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 69 [2021-01-20 17:56:32,378 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 76 [2021-01-20 17:56:32,804 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2021-01-20 17:56:33,102 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 54 [2021-01-20 17:56:33,592 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 57 [2021-01-20 17:56:33,862 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2021-01-20 17:56:36,301 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2021-01-20 17:56:37,037 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2021-01-20 17:56:38,050 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2021-01-20 17:56:38,565 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2021-01-20 17:56:39,618 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-01-20 17:56:40,000 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-01-20 17:56:40,400 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2021-01-20 17:56:40,817 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-01-20 17:56:41,066 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-01-20 17:56:41,465 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-01-20 17:56:41,841 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-01-20 17:56:42,091 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-01-20 17:56:42,496 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-01-20 17:56:42,753 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-01-20 17:56:43,130 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-01-20 17:56:43,492 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-01-20 17:56:44,719 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2021-01-20 17:56:45,321 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2021-01-20 17:56:45,777 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-01-20 17:56:46,089 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2021-01-20 17:56:46,776 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-01-20 17:56:47,148 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-01-20 17:56:47,751 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2021-01-20 17:56:49,032 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-01-20 17:56:50,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 17:56:50,498 INFO L93 Difference]: Finished difference Result 32688 states and 80663 transitions. [2021-01-20 17:56:50,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-01-20 17:56:50,501 INFO L78 Accepts]: Start accepts. Automaton has has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 181 [2021-01-20 17:56:50,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 17:56:50,505 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 16 SyntacticMatches, 3 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5299 ImplicationChecksByTransitivity, 40.6s TimeCoverageRelationStatistics Valid=1827, Invalid=16805, Unknown=0, NotChecked=0, Total=18632 [2021-01-20 17:56:50,506 INFO L78 Accepts]: Start accepts. Automaton has 32688 states and 80663 transitions. Word has length 181 [2021-01-20 17:56:50,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 17:56:50,506 INFO L481 AbstractCegarLoop]: Abstraction has 32688 states and 80663 transitions. [2021-01-20 17:56:50,507 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:56:50,507 INFO L276 IsEmpty]: Start isEmpty. Operand 32688 states and 80663 transitions. [2021-01-20 17:56:50,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-01-20 17:56:50,539 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:56:50,540 INFO L504 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 17:56:50,540 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-01-20 17:56:50,540 INFO L429 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]=== [2021-01-20 17:56:50,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:56:50,541 INFO L82 PathProgramCache]: Analyzing trace with hash -1988456775, now seen corresponding path program 5 times [2021-01-20 17:56:50,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:56:50,541 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236563272] [2021-01-20 17:56:50,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:56:50,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:56:51,986 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 38 [2021-01-20 17:56:52,345 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 42 [2021-01-20 17:56:52,779 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 44 [2021-01-20 17:56:53,409 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 48 [2021-01-20 17:56:53,815 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2021-01-20 17:56:54,281 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2021-01-20 17:56:54,650 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 37 [2021-01-20 17:56:55,019 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 34 [2021-01-20 17:56:55,520 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2021-01-20 17:56:55,766 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 27 [2021-01-20 17:56:56,017 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 27 [2021-01-20 17:56:56,410 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 34 [2021-01-20 17:56:56,763 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 27 [2021-01-20 17:56:57,215 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 25 [2021-01-20 17:56:57,562 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 30 [2021-01-20 17:56:57,879 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 25 [2021-01-20 17:56:58,181 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2021-01-20 17:56:58,448 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 32 [2021-01-20 17:56:58,760 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 35 [2021-01-20 17:56:59,070 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 36 [2021-01-20 17:56:59,332 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2021-01-20 17:56:59,620 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2021-01-20 17:56:59,885 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2021-01-20 17:57:00,242 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2021-01-20 17:57:00,614 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 40 [2021-01-20 17:57:01,197 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 44 [2021-01-20 17:57:01,803 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 44 [2021-01-20 17:57:02,502 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 36 [2021-01-20 17:57:02,889 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 30 [2021-01-20 17:57:03,122 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 25 [2021-01-20 17:57:03,401 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 25 [2021-01-20 17:57:03,672 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 25 [2021-01-20 17:57:04,007 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 30 [2021-01-20 17:57:04,329 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26 [2021-01-20 17:57:04,643 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26 [2021-01-20 17:57:04,939 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 23 [2021-01-20 17:57:05,285 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 30 [2021-01-20 17:57:06,077 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 24 [2021-01-20 17:57:06,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:57:06,657 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236563272] [2021-01-20 17:57:06,657 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:57:06,657 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [51] imperfect sequences [] total 51 [2021-01-20 17:57:06,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597384679] [2021-01-20 17:57:06,657 INFO L461 AbstractCegarLoop]: Interpolant automaton has 51 states [2021-01-20 17:57:06,657 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:57:06,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-01-20 17:57:06,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=2359, Unknown=0, NotChecked=0, Total=2550 [2021-01-20 17:57:06,659 INFO L87 Difference]: Start difference. First operand 32688 states and 80663 transitions. Second operand has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:57:09,083 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2021-01-20 17:57:09,785 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 36 [2021-01-20 17:57:10,341 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 40 [2021-01-20 17:57:10,926 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 46 [2021-01-20 17:57:11,634 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 51 [2021-01-20 17:57:12,923 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 48 [2021-01-20 17:57:13,890 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 52 [2021-01-20 17:57:14,819 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 55 [2021-01-20 17:57:15,998 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 57 [2021-01-20 17:57:18,369 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 158 DAG size of output: 82 [2021-01-20 17:57:20,704 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 150 DAG size of output: 80 [2021-01-20 17:57:23,580 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2021-01-20 17:57:25,206 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2021-01-20 17:57:25,668 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 41 [2021-01-20 17:57:26,383 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 40 [2021-01-20 17:57:27,109 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 41 [2021-01-20 17:57:28,844 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2021-01-20 17:57:29,400 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2021-01-20 17:57:30,437 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 57 [2021-01-20 17:57:31,270 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 64 [2021-01-20 17:57:32,329 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 68 [2021-01-20 17:57:34,354 WARN L193 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 72 [2021-01-20 17:57:35,119 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 60 [2021-01-20 17:57:36,177 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 57 [2021-01-20 17:57:37,337 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 62 [2021-01-20 17:57:37,753 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 52 [2021-01-20 17:57:39,135 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 62 [2021-01-20 17:57:39,640 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 59 [2021-01-20 17:57:40,592 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 63 [2021-01-20 17:57:41,731 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 69 [2021-01-20 17:57:42,643 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 57 [2021-01-20 17:57:43,307 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 76 [2021-01-20 17:57:44,011 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2021-01-20 17:57:44,411 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 54 [2021-01-20 17:57:44,999 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 52 [2021-01-20 17:57:45,566 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 57 [2021-01-20 17:57:45,979 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2021-01-20 17:57:48,503 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 57 [2021-01-20 17:57:50,254 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2021-01-20 17:57:51,298 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2021-01-20 17:57:52,176 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-01-20 17:57:52,740 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2021-01-20 17:57:53,453 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2021-01-20 17:57:54,007 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-01-20 17:57:54,281 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-01-20 17:57:54,922 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-01-20 17:57:55,474 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-01-20 17:57:56,075 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2021-01-20 17:57:56,575 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-01-20 17:57:56,882 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-01-20 17:57:57,343 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-01-20 17:57:57,761 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-01-20 17:57:58,039 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-01-20 17:57:58,594 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-01-20 17:57:58,867 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-01-20 17:57:59,286 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-01-20 17:57:59,824 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-01-20 17:58:01,357 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2021-01-20 17:58:02,068 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2021-01-20 17:58:02,694 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-01-20 17:58:03,143 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2021-01-20 17:58:03,927 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-01-20 17:58:04,407 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-01-20 17:58:05,176 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2021-01-20 17:58:06,628 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-01-20 17:58:08,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 17:58:08,496 INFO L93 Difference]: Finished difference Result 37331 states and 92095 transitions. [2021-01-20 17:58:08,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2021-01-20 17:58:08,500 INFO L78 Accepts]: Start accepts. Automaton has has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 181 [2021-01-20 17:58:08,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 17:58:08,503 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 16 SyntacticMatches, 3 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4695 ImplicationChecksByTransitivity, 48.8s TimeCoverageRelationStatistics Valid=1620, Invalid=15410, Unknown=0, NotChecked=0, Total=17030 [2021-01-20 17:58:08,503 INFO L78 Accepts]: Start accepts. Automaton has 37331 states and 92095 transitions. Word has length 181 [2021-01-20 17:58:08,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 17:58:08,504 INFO L481 AbstractCegarLoop]: Abstraction has 37331 states and 92095 transitions. [2021-01-20 17:58:08,504 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:58:08,504 INFO L276 IsEmpty]: Start isEmpty. Operand 37331 states and 92095 transitions. [2021-01-20 17:58:08,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-01-20 17:58:08,536 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:58:08,536 INFO L504 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 17:58:08,536 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-01-20 17:58:08,536 INFO L429 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]=== [2021-01-20 17:58:08,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:58:08,537 INFO L82 PathProgramCache]: Analyzing trace with hash -878825517, now seen corresponding path program 6 times [2021-01-20 17:58:08,537 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:58:08,537 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643920435] [2021-01-20 17:58:08,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:58:08,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:58:10,276 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 38 [2021-01-20 17:58:10,897 WARN L193 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 42 [2021-01-20 17:58:11,603 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 44 [2021-01-20 17:58:12,682 WARN L193 SmtUtils]: Spent 904.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 48 [2021-01-20 17:58:13,400 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2021-01-20 17:58:14,216 WARN L193 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2021-01-20 17:58:14,856 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 37 [2021-01-20 17:58:15,526 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 34 [2021-01-20 17:58:16,359 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2021-01-20 17:58:16,705 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 27 [2021-01-20 17:58:17,052 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 27 [2021-01-20 17:58:17,532 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 34 [2021-01-20 17:58:17,924 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 27 [2021-01-20 17:58:18,443 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 25 [2021-01-20 17:58:18,845 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 30 [2021-01-20 17:58:19,216 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 25 [2021-01-20 17:58:19,589 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2021-01-20 17:58:19,913 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 32 [2021-01-20 17:58:20,282 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 35 [2021-01-20 17:58:20,653 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 36 [2021-01-20 17:58:20,975 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2021-01-20 17:58:21,287 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 27 [2021-01-20 17:58:21,630 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2021-01-20 17:58:22,046 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2021-01-20 17:58:22,491 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 40 [2021-01-20 17:58:23,194 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 44 [2021-01-20 17:58:23,945 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 44 [2021-01-20 17:58:24,711 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 36 [2021-01-20 17:58:25,307 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 30 [2021-01-20 17:58:25,616 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 25 [2021-01-20 17:58:25,914 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 25 [2021-01-20 17:58:26,207 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 25 [2021-01-20 17:58:26,587 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 30 [2021-01-20 17:58:26,932 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26 [2021-01-20 17:58:27,292 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26 [2021-01-20 17:58:27,622 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 23 [2021-01-20 17:58:28,004 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 30 [2021-01-20 17:58:28,940 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 24 [2021-01-20 17:58:29,309 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 13 [2021-01-20 17:58:29,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:58:29,575 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643920435] [2021-01-20 17:58:29,575 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:58:29,575 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [51] imperfect sequences [] total 51 [2021-01-20 17:58:29,576 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636650732] [2021-01-20 17:58:29,576 INFO L461 AbstractCegarLoop]: Interpolant automaton has 51 states [2021-01-20 17:58:29,576 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:58:29,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-01-20 17:58:29,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=2358, Unknown=0, NotChecked=0, Total=2550 [2021-01-20 17:58:29,578 INFO L87 Difference]: Start difference. First operand 37331 states and 92095 transitions. Second operand has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:58:31,768 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 28 [2021-01-20 17:58:32,103 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2021-01-20 17:58:32,894 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 36 [2021-01-20 17:58:33,391 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 40 [2021-01-20 17:58:33,918 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 46 [2021-01-20 17:58:34,565 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 51 [2021-01-20 17:58:35,795 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 48 [2021-01-20 17:58:36,729 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 52 [2021-01-20 17:58:37,599 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 55 [2021-01-20 17:58:38,685 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 57 [2021-01-20 17:58:41,092 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 158 DAG size of output: 82 [2021-01-20 17:58:43,499 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 150 DAG size of output: 80 [2021-01-20 17:58:46,509 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2021-01-20 17:58:47,983 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2021-01-20 17:58:48,427 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 41 [2021-01-20 17:58:49,083 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 40 [2021-01-20 17:58:49,759 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 41 [2021-01-20 17:58:51,480 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2021-01-20 17:58:51,985 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2021-01-20 17:58:52,928 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 57 [2021-01-20 17:58:53,694 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 64 [2021-01-20 17:58:54,700 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 68 [2021-01-20 17:58:55,500 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 56 [2021-01-20 17:58:56,535 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 53 [2021-01-20 17:58:57,718 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 60 [2021-01-20 17:58:58,550 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 57 [2021-01-20 17:58:59,620 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 62 [2021-01-20 17:58:59,988 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 51 [2021-01-20 17:59:01,118 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 59 [2021-01-20 17:59:01,578 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 54 [2021-01-20 17:59:02,522 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 63 [2021-01-20 17:59:03,844 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 69 [2021-01-20 17:59:04,986 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 76 [2021-01-20 17:59:05,784 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2021-01-20 17:59:06,265 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 48 [2021-01-20 17:59:06,622 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2021-01-20 17:59:09,287 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2021-01-20 17:59:10,270 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2021-01-20 17:59:11,088 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-01-20 17:59:11,633 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2021-01-20 17:59:12,315 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2021-01-20 17:59:12,830 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-01-20 17:59:13,103 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-01-20 17:59:13,722 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-01-20 17:59:14,223 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-01-20 17:59:14,711 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2021-01-20 17:59:15,213 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-01-20 17:59:15,534 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-01-20 17:59:15,999 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-01-20 17:59:16,425 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-01-20 17:59:16,723 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-01-20 17:59:17,281 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-01-20 17:59:17,573 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-01-20 17:59:17,994 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-01-20 17:59:18,676 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-01-20 17:59:20,051 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2021-01-20 17:59:20,736 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2021-01-20 17:59:21,295 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-01-20 17:59:21,737 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2021-01-20 17:59:22,505 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-01-20 17:59:22,974 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-01-20 17:59:23,758 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2021-01-20 17:59:25,057 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-01-20 17:59:26,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 17:59:26,577 INFO L93 Difference]: Finished difference Result 39851 states and 98450 transitions. [2021-01-20 17:59:26,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-01-20 17:59:26,580 INFO L78 Accepts]: Start accepts. Automaton has has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 181 [2021-01-20 17:59:26,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 17:59:26,582 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 16 SyntacticMatches, 3 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4398 ImplicationChecksByTransitivity, 51.7s TimeCoverageRelationStatistics Valid=1569, Invalid=14687, Unknown=0, NotChecked=0, Total=16256 [2021-01-20 17:59:26,582 INFO L78 Accepts]: Start accepts. Automaton has 39851 states and 98450 transitions. Word has length 181 [2021-01-20 17:59:26,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 17:59:26,583 INFO L481 AbstractCegarLoop]: Abstraction has 39851 states and 98450 transitions. [2021-01-20 17:59:26,583 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:59:26,583 INFO L276 IsEmpty]: Start isEmpty. Operand 39851 states and 98450 transitions. [2021-01-20 17:59:26,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-01-20 17:59:26,611 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 17:59:26,611 INFO L504 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 17:59:26,611 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-01-20 17:59:26,611 INFO L429 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]=== [2021-01-20 17:59:26,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 17:59:26,612 INFO L82 PathProgramCache]: Analyzing trace with hash -511751047, now seen corresponding path program 7 times [2021-01-20 17:59:26,612 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 17:59:26,612 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218520163] [2021-01-20 17:59:26,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 17:59:26,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 17:59:28,295 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 38 [2021-01-20 17:59:28,847 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 42 [2021-01-20 17:59:29,570 WARN L193 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 44 [2021-01-20 17:59:30,532 WARN L193 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 48 [2021-01-20 17:59:31,249 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2021-01-20 17:59:32,005 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2021-01-20 17:59:32,575 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 37 [2021-01-20 17:59:33,141 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 34 [2021-01-20 17:59:33,859 WARN L193 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2021-01-20 17:59:34,160 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 27 [2021-01-20 17:59:34,475 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 27 [2021-01-20 17:59:34,892 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 34 [2021-01-20 17:59:35,271 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 27 [2021-01-20 17:59:35,736 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 25 [2021-01-20 17:59:36,089 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 30 [2021-01-20 17:59:36,416 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 25 [2021-01-20 17:59:36,756 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2021-01-20 17:59:37,023 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 32 [2021-01-20 17:59:37,351 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 35 [2021-01-20 17:59:37,669 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 36 [2021-01-20 17:59:37,933 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2021-01-20 17:59:38,193 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 27 [2021-01-20 17:59:38,513 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2021-01-20 17:59:38,879 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2021-01-20 17:59:39,258 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 40 [2021-01-20 17:59:39,916 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 44 [2021-01-20 17:59:40,555 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 44 [2021-01-20 17:59:41,154 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 36 [2021-01-20 17:59:41,748 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 30 [2021-01-20 17:59:42,033 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 25 [2021-01-20 17:59:42,309 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 25 [2021-01-20 17:59:42,912 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 30 [2021-01-20 17:59:43,237 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26 [2021-01-20 17:59:43,576 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26 [2021-01-20 17:59:43,888 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 23 [2021-01-20 17:59:44,270 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 30 [2021-01-20 17:59:45,181 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 24 [2021-01-20 17:59:45,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 17:59:45,949 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218520163] [2021-01-20 17:59:45,949 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 17:59:45,949 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [51] imperfect sequences [] total 51 [2021-01-20 17:59:45,949 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254745301] [2021-01-20 17:59:45,950 INFO L461 AbstractCegarLoop]: Interpolant automaton has 51 states [2021-01-20 17:59:45,950 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 17:59:45,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-01-20 17:59:45,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=2359, Unknown=0, NotChecked=0, Total=2550 [2021-01-20 17:59:45,951 INFO L87 Difference]: Start difference. First operand 39851 states and 98450 transitions. Second operand has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 17:59:48,061 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2021-01-20 17:59:48,810 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 36 [2021-01-20 17:59:49,310 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 40 [2021-01-20 17:59:49,852 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 46 [2021-01-20 17:59:50,499 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 51 [2021-01-20 17:59:51,870 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 48 [2021-01-20 17:59:52,851 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 52 [2021-01-20 17:59:53,750 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 55 [2021-01-20 17:59:54,952 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 57 [2021-01-20 17:59:57,335 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 158 DAG size of output: 82 [2021-01-20 17:59:59,769 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 150 DAG size of output: 80 [2021-01-20 18:00:02,846 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2021-01-20 18:00:04,630 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2021-01-20 18:00:05,078 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 41 [2021-01-20 18:00:05,781 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 40 [2021-01-20 18:00:06,494 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 41 [2021-01-20 18:00:08,434 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2021-01-20 18:00:08,999 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2021-01-20 18:00:10,077 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 57 [2021-01-20 18:00:10,944 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 64 [2021-01-20 18:00:12,016 WARN L193 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 68 [2021-01-20 18:00:12,893 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 56 [2021-01-20 18:00:14,196 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 53 [2021-01-20 18:00:15,580 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 60 [2021-01-20 18:00:16,441 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 57 [2021-01-20 18:00:16,937 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 59 [2021-01-20 18:00:18,591 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 62 [2021-01-20 18:00:19,041 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 56 [2021-01-20 18:00:20,459 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 59 [2021-01-20 18:00:21,359 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 63 [2021-01-20 18:00:21,870 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 51 [2021-01-20 18:00:22,762 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 69 [2021-01-20 18:00:23,658 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 76 [2021-01-20 18:00:24,240 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2021-01-20 18:00:24,649 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 54 [2021-01-20 18:00:25,236 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 54 [2021-01-20 18:00:25,628 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2021-01-20 18:00:27,915 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2021-01-20 18:00:28,864 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2021-01-20 18:00:29,626 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-01-20 18:00:30,171 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2021-01-20 18:00:30,840 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2021-01-20 18:00:31,306 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-01-20 18:00:31,598 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-01-20 18:00:32,197 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-01-20 18:00:32,646 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-01-20 18:00:33,185 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2021-01-20 18:00:33,625 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-01-20 18:00:33,955 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-01-20 18:00:34,440 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-01-20 18:00:34,857 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-01-20 18:00:35,165 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-01-20 18:00:35,680 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-01-20 18:00:35,986 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-01-20 18:00:36,396 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-01-20 18:00:36,878 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-01-20 18:00:38,208 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2021-01-20 18:00:38,917 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2021-01-20 18:00:39,451 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-01-20 18:00:39,886 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2021-01-20 18:00:40,602 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-01-20 18:00:41,339 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-01-20 18:00:42,183 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2021-01-20 18:00:42,755 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2021-01-20 18:00:43,471 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-01-20 18:00:44,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 18:00:44,898 INFO L93 Difference]: Finished difference Result 43469 states and 107746 transitions. [2021-01-20 18:00:44,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2021-01-20 18:00:44,903 INFO L78 Accepts]: Start accepts. Automaton has has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 181 [2021-01-20 18:00:44,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 18:00:44,905 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 16 SyntacticMatches, 3 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4575 ImplicationChecksByTransitivity, 52.1s TimeCoverageRelationStatistics Valid=1600, Invalid=15170, Unknown=0, NotChecked=0, Total=16770 [2021-01-20 18:00:44,905 INFO L78 Accepts]: Start accepts. Automaton has 43469 states and 107746 transitions. Word has length 181 [2021-01-20 18:00:44,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 18:00:44,905 INFO L481 AbstractCegarLoop]: Abstraction has 43469 states and 107746 transitions. [2021-01-20 18:00:44,905 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 18:00:44,906 INFO L276 IsEmpty]: Start isEmpty. Operand 43469 states and 107746 transitions. [2021-01-20 18:00:44,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-01-20 18:00:44,936 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 18:00:44,936 INFO L504 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 18:00:44,936 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-01-20 18:00:44,936 INFO L429 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]=== [2021-01-20 18:00:44,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 18:00:44,937 INFO L82 PathProgramCache]: Analyzing trace with hash 1597727161, now seen corresponding path program 8 times [2021-01-20 18:00:44,937 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 18:00:44,937 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524652141] [2021-01-20 18:00:44,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 18:00:44,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 18:00:46,175 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 25 [2021-01-20 18:00:46,736 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 38 [2021-01-20 18:00:47,413 WARN L193 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 42 [2021-01-20 18:00:48,175 WARN L193 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 44 [2021-01-20 18:00:49,295 WARN L193 SmtUtils]: Spent 955.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 48 [2021-01-20 18:00:50,036 WARN L193 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2021-01-20 18:00:50,891 WARN L193 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2021-01-20 18:00:51,552 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 37 [2021-01-20 18:00:52,277 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 34 [2021-01-20 18:00:53,187 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2021-01-20 18:00:53,550 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 27 [2021-01-20 18:00:53,918 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 27 [2021-01-20 18:00:54,420 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 34 [2021-01-20 18:00:54,857 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 27 [2021-01-20 18:00:55,398 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 25 [2021-01-20 18:00:55,835 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 30 [2021-01-20 18:00:56,269 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 25 [2021-01-20 18:00:56,701 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2021-01-20 18:00:57,029 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 32 [2021-01-20 18:00:57,440 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 35 [2021-01-20 18:00:57,841 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 36 [2021-01-20 18:00:58,194 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2021-01-20 18:00:58,515 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 27 [2021-01-20 18:00:58,917 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2021-01-20 18:00:59,346 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2021-01-20 18:00:59,812 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 40 [2021-01-20 18:01:00,557 WARN L193 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 44 [2021-01-20 18:01:01,357 WARN L193 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 44 [2021-01-20 18:01:01,947 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 35 [2021-01-20 18:01:02,686 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 30 [2021-01-20 18:01:03,060 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 25 [2021-01-20 18:01:03,397 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 25 [2021-01-20 18:01:03,725 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 25 [2021-01-20 18:01:04,132 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 30 [2021-01-20 18:01:04,527 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26 [2021-01-20 18:01:04,923 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26 [2021-01-20 18:01:05,286 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 23 [2021-01-20 18:01:05,709 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 30 [2021-01-20 18:01:06,740 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 24 [2021-01-20 18:01:07,157 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 13 [2021-01-20 18:01:07,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 18:01:07,599 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524652141] [2021-01-20 18:01:07,599 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 18:01:07,599 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [51] imperfect sequences [] total 51 [2021-01-20 18:01:07,599 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46147122] [2021-01-20 18:01:07,599 INFO L461 AbstractCegarLoop]: Interpolant automaton has 51 states [2021-01-20 18:01:07,600 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 18:01:07,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-01-20 18:01:07,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=188, Invalid=2362, Unknown=0, NotChecked=0, Total=2550 [2021-01-20 18:01:07,601 INFO L87 Difference]: Start difference. First operand 43469 states and 107746 transitions. Second operand has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 18:01:10,421 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2021-01-20 18:01:11,305 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 36 [2021-01-20 18:01:11,955 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 40 [2021-01-20 18:01:12,578 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 46 [2021-01-20 18:01:13,319 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 51 [2021-01-20 18:01:14,873 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 48 [2021-01-20 18:01:15,964 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 52 [2021-01-20 18:01:16,964 WARN L193 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 55 [2021-01-20 18:01:18,262 WARN L193 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 57 [2021-01-20 18:01:21,267 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 158 DAG size of output: 82 [2021-01-20 18:01:24,301 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 150 DAG size of output: 80 [2021-01-20 18:01:28,343 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2021-01-20 18:01:30,208 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2021-01-20 18:01:30,774 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 41 [2021-01-20 18:01:31,703 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 40 [2021-01-20 18:01:32,601 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 41 [2021-01-20 18:01:34,991 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2021-01-20 18:01:35,724 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2021-01-20 18:01:37,175 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 57 [2021-01-20 18:01:38,353 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 64 [2021-01-20 18:01:39,793 WARN L193 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 68 [2021-01-20 18:01:41,091 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 56 [2021-01-20 18:01:42,606 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 53 [2021-01-20 18:01:44,261 WARN L193 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 60 [2021-01-20 18:01:45,386 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 57 [2021-01-20 18:01:46,129 WARN L193 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 59 [2021-01-20 18:01:48,403 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 62 [2021-01-20 18:01:48,965 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 56 [2021-01-20 18:01:50,404 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 60 [2021-01-20 18:01:51,998 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 59 [2021-01-20 18:01:53,404 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 63 [2021-01-20 18:01:54,141 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 51 [2021-01-20 18:01:55,511 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 69 [2021-01-20 18:01:56,777 WARN L193 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 76 [2021-01-20 18:01:57,740 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2021-01-20 18:01:58,264 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 54 [2021-01-20 18:01:59,032 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 54 [2021-01-20 18:02:03,341 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2021-01-20 18:02:03,962 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2021-01-20 18:02:04,522 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-01-20 18:02:04,821 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-01-20 18:02:05,669 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-01-20 18:02:06,199 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-01-20 18:02:06,916 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-01-20 18:02:07,602 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-01-20 18:02:07,968 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-01-20 18:02:08,513 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2021-01-20 18:02:09,149 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-01-20 18:02:09,564 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-01-20 18:02:10,217 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-01-20 18:02:10,573 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-01-20 18:02:10,917 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-01-20 18:02:11,425 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-01-20 18:02:11,760 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-01-20 18:02:12,431 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-01-20 18:02:12,765 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-01-20 18:02:13,285 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-01-20 18:02:13,932 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-01-20 18:02:15,827 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-01-20 18:02:16,619 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2021-01-20 18:02:17,328 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-01-20 18:02:17,833 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2021-01-20 18:02:18,731 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-01-20 18:02:19,312 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-01-20 18:02:20,240 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2021-01-20 18:02:20,929 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2021-01-20 18:02:21,899 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-01-20 18:02:23,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 18:02:23,983 INFO L93 Difference]: Finished difference Result 45155 states and 111987 transitions. [2021-01-20 18:02:23,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-01-20 18:02:23,987 INFO L78 Accepts]: Start accepts. Automaton has has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 181 [2021-01-20 18:02:23,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 18:02:23,990 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 16 SyntacticMatches, 3 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4656 ImplicationChecksByTransitivity, 61.1s TimeCoverageRelationStatistics Valid=1612, Invalid=15418, Unknown=0, NotChecked=0, Total=17030 [2021-01-20 18:02:23,990 INFO L78 Accepts]: Start accepts. Automaton has 45155 states and 111987 transitions. Word has length 181 [2021-01-20 18:02:23,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 18:02:23,990 INFO L481 AbstractCegarLoop]: Abstraction has 45155 states and 111987 transitions. [2021-01-20 18:02:23,990 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 18:02:23,990 INFO L276 IsEmpty]: Start isEmpty. Operand 45155 states and 111987 transitions. [2021-01-20 18:02:24,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-01-20 18:02:24,024 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 18:02:24,024 INFO L504 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 18:02:24,024 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-01-20 18:02:24,024 INFO L429 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]=== [2021-01-20 18:02:24,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 18:02:24,025 INFO L82 PathProgramCache]: Analyzing trace with hash 703394041, now seen corresponding path program 9 times [2021-01-20 18:02:24,025 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 18:02:24,025 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794041491] [2021-01-20 18:02:24,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 18:02:24,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 18:02:24,927 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 22 [2021-01-20 18:02:25,073 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 22 [2021-01-20 18:02:25,234 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 25 [2021-01-20 18:02:25,828 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 38 [2021-01-20 18:02:26,564 WARN L193 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 42 [2021-01-20 18:02:27,374 WARN L193 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 43 [2021-01-20 18:02:28,255 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 47 [2021-01-20 18:02:28,959 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2021-01-20 18:02:29,726 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2021-01-20 18:02:30,396 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 37 [2021-01-20 18:02:31,078 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 34 [2021-01-20 18:02:31,960 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2021-01-20 18:02:32,293 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 25 [2021-01-20 18:02:32,640 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 25 [2021-01-20 18:02:33,148 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 33 [2021-01-20 18:02:33,588 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 26 [2021-01-20 18:02:34,152 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 24 [2021-01-20 18:02:34,587 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 29 [2021-01-20 18:02:34,881 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 23 [2021-01-20 18:02:35,183 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 25 [2021-01-20 18:02:35,512 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 29 [2021-01-20 18:02:36,064 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2021-01-20 18:02:36,515 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2021-01-20 18:02:37,089 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 40 [2021-01-20 18:02:37,874 WARN L193 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 41 [2021-01-20 18:02:38,532 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 33 [2021-01-20 18:02:39,488 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 36 [2021-01-20 18:02:39,926 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 30 [2021-01-20 18:02:40,289 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 25 [2021-01-20 18:02:40,638 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 25 [2021-01-20 18:02:40,982 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 25 [2021-01-20 18:02:41,405 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 30 [2021-01-20 18:02:41,815 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26 [2021-01-20 18:02:42,225 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26 [2021-01-20 18:02:42,602 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 23 [2021-01-20 18:02:43,035 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 30 [2021-01-20 18:02:44,107 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 24 [2021-01-20 18:02:44,550 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 13 [2021-01-20 18:02:44,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 18:02:44,984 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794041491] [2021-01-20 18:02:44,984 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 18:02:44,984 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [47] imperfect sequences [] total 47 [2021-01-20 18:02:44,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939782650] [2021-01-20 18:02:44,985 INFO L461 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-01-20 18:02:44,985 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 18:02:44,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-01-20 18:02:44,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=2025, Unknown=0, NotChecked=0, Total=2162 [2021-01-20 18:02:44,985 INFO L87 Difference]: Start difference. First operand 45155 states and 111987 transitions. Second operand has 47 states, 47 states have (on average 3.851063829787234) internal successors, (181), 47 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 18:02:47,505 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 28 [2021-01-20 18:02:47,865 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2021-01-20 18:02:48,863 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 36 [2021-01-20 18:02:49,510 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 40 [2021-01-20 18:02:50,159 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 46 [2021-01-20 18:02:50,946 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 48 [2021-01-20 18:02:52,593 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 48 [2021-01-20 18:02:53,711 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 52 [2021-01-20 18:02:54,717 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 55 [2021-01-20 18:02:56,086 WARN L193 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 57 [2021-01-20 18:02:59,302 WARN L193 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 157 DAG size of output: 83 [2021-01-20 18:03:01,790 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 149 DAG size of output: 78 [2021-01-20 18:03:05,313 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2021-01-20 18:03:06,902 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2021-01-20 18:03:07,460 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 41 [2021-01-20 18:03:08,265 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 36 [2021-01-20 18:03:09,027 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 37 [2021-01-20 18:03:11,879 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2021-01-20 18:03:13,882 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2021-01-20 18:03:14,578 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2021-01-20 18:03:16,528 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 45 [2021-01-20 18:03:17,667 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 48 [2021-01-20 18:03:18,093 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2021-01-20 18:03:19,329 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 47 [2021-01-20 18:03:20,530 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 51 [2021-01-20 18:03:21,307 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 45 [2021-01-20 18:03:22,815 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 58 [2021-01-20 18:03:23,552 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 50 [2021-01-20 18:03:24,302 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2021-01-20 18:03:25,349 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2021-01-20 18:03:26,643 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 54 [2021-01-20 18:03:28,225 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 61 [2021-01-20 18:03:29,358 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2021-01-20 18:03:29,693 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2021-01-20 18:03:30,282 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 40 [2021-01-20 18:03:30,847 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2021-01-20 18:03:35,170 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2021-01-20 18:03:35,769 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2021-01-20 18:03:36,523 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2021-01-20 18:03:36,856 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-01-20 18:03:37,632 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-01-20 18:03:38,370 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2021-01-20 18:03:39,291 WARN L193 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2021-01-20 18:03:39,916 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-01-20 18:03:40,267 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-01-20 18:03:41,090 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-01-20 18:03:41,709 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-01-20 18:03:42,389 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2021-01-20 18:03:43,033 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-01-20 18:03:43,466 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-01-20 18:03:44,097 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-01-20 18:03:44,672 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-01-20 18:03:45,070 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-01-20 18:03:45,788 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-01-20 18:03:46,177 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-01-20 18:03:46,777 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-01-20 18:03:47,454 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-01-20 18:03:49,419 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2021-01-20 18:03:50,375 WARN L193 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2021-01-20 18:03:51,139 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-01-20 18:03:51,733 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2021-01-20 18:03:52,722 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-01-20 18:03:53,409 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-01-20 18:03:54,598 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2021-01-20 18:03:55,362 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2021-01-20 18:03:56,419 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-01-20 18:03:58,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 18:03:58,680 INFO L93 Difference]: Finished difference Result 46373 states and 115380 transitions. [2021-01-20 18:03:58,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2021-01-20 18:03:58,686 INFO L78 Accepts]: Start accepts. Automaton has has 47 states, 47 states have (on average 3.851063829787234) internal successors, (181), 47 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 181 [2021-01-20 18:03:58,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 18:03:58,688 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 19 SyntacticMatches, 4 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4439 ImplicationChecksByTransitivity, 57.2s TimeCoverageRelationStatistics Valid=1431, Invalid=14319, Unknown=0, NotChecked=0, Total=15750 [2021-01-20 18:03:58,689 INFO L78 Accepts]: Start accepts. Automaton has 46373 states and 115380 transitions. Word has length 181 [2021-01-20 18:03:58,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 18:03:58,689 INFO L481 AbstractCegarLoop]: Abstraction has 46373 states and 115380 transitions. [2021-01-20 18:03:58,689 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 3.851063829787234) internal successors, (181), 47 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 18:03:58,690 INFO L276 IsEmpty]: Start isEmpty. Operand 46373 states and 115380 transitions. [2021-01-20 18:03:58,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-01-20 18:03:58,724 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 18:03:58,725 INFO L504 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 18:03:58,725 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-01-20 18:03:58,725 INFO L429 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]=== [2021-01-20 18:03:58,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 18:03:58,726 INFO L82 PathProgramCache]: Analyzing trace with hash 1352440787, now seen corresponding path program 10 times [2021-01-20 18:03:58,726 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 18:03:58,726 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069534464] [2021-01-20 18:03:58,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 18:03:58,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 18:03:59,579 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 19 [2021-01-20 18:03:59,875 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 22 [2021-01-20 18:04:00,045 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 22 [2021-01-20 18:04:00,220 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 25 [2021-01-20 18:04:00,889 WARN L193 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 38 [2021-01-20 18:04:01,728 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 42 [2021-01-20 18:04:02,764 WARN L193 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 44 [2021-01-20 18:04:04,301 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 70 DAG size of output: 48 [2021-01-20 18:04:05,321 WARN L193 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2021-01-20 18:04:06,475 WARN L193 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2021-01-20 18:04:07,377 WARN L193 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 37 [2021-01-20 18:04:08,330 WARN L193 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 34 [2021-01-20 18:04:09,621 WARN L193 SmtUtils]: Spent 940.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2021-01-20 18:04:10,090 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 27 [2021-01-20 18:04:10,581 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 27 [2021-01-20 18:04:11,230 WARN L193 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 34 [2021-01-20 18:04:11,791 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 27 [2021-01-20 18:04:12,495 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 25 [2021-01-20 18:04:13,068 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 30 [2021-01-20 18:04:13,665 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 32 [2021-01-20 18:04:14,231 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2021-01-20 18:04:14,824 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 31 [2021-01-20 18:04:15,285 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2021-01-20 18:04:15,841 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2021-01-20 18:04:16,388 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2021-01-20 18:04:16,846 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2021-01-20 18:04:17,289 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 30 [2021-01-20 18:04:17,895 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2021-01-20 18:04:18,501 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 40 [2021-01-20 18:04:19,474 WARN L193 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 44 [2021-01-20 18:04:20,482 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 44 [2021-01-20 18:04:21,391 WARN L193 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 36 [2021-01-20 18:04:22,469 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 30 [2021-01-20 18:04:22,920 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 25 [2021-01-20 18:04:23,340 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 25 [2021-01-20 18:04:23,743 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 25 [2021-01-20 18:04:24,245 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 30 [2021-01-20 18:04:24,726 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26 [2021-01-20 18:04:25,228 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 26 [2021-01-20 18:04:25,683 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 23 [2021-01-20 18:04:26,207 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 30 [2021-01-20 18:04:27,493 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 24 [2021-01-20 18:04:28,027 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 13 [2021-01-20 18:04:28,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-20 18:04:28,293 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069534464] [2021-01-20 18:04:28,293 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-20 18:04:28,293 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [51] imperfect sequences [] total 51 [2021-01-20 18:04:28,293 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221084403] [2021-01-20 18:04:28,293 INFO L461 AbstractCegarLoop]: Interpolant automaton has 51 states [2021-01-20 18:04:28,294 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-20 18:04:28,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-01-20 18:04:28,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=187, Invalid=2363, Unknown=0, NotChecked=0, Total=2550 [2021-01-20 18:04:28,295 INFO L87 Difference]: Start difference. First operand 46373 states and 115380 transitions. Second operand has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 18:04:30,894 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 28 [2021-01-20 18:04:31,305 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2021-01-20 18:04:32,334 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 36 [2021-01-20 18:04:33,047 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 40 [2021-01-20 18:04:33,814 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 46 [2021-01-20 18:04:34,714 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 51 [2021-01-20 18:04:36,608 WARN L193 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 48 [2021-01-20 18:04:37,884 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 52 [2021-01-20 18:04:39,060 WARN L193 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 55 [2021-01-20 18:04:40,682 WARN L193 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 57 [2021-01-20 18:04:44,615 WARN L193 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 158 DAG size of output: 82 [2021-01-20 18:04:48,436 WARN L193 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 150 DAG size of output: 80 [2021-01-20 18:04:52,646 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2021-01-20 18:04:55,499 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2021-01-20 18:04:56,186 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 41 [2021-01-20 18:04:57,054 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 31 [2021-01-20 18:04:58,040 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2021-01-20 18:05:00,315 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 43 [2021-01-20 18:05:00,899 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 33 [2021-01-20 18:05:01,780 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 42 [2021-01-20 18:05:02,333 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2021-01-20 18:05:02,911 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2021-01-20 18:05:03,369 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2021-01-20 18:05:04,116 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2021-01-20 18:05:06,055 WARN L193 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 48 [2021-01-20 18:05:07,609 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 59 [2021-01-20 18:05:08,925 WARN L193 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 69 [2021-01-20 18:05:10,650 WARN L193 SmtUtils]: Spent 989.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 73 [2021-01-20 18:05:12,076 WARN L193 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 67 [2021-01-20 18:05:13,450 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 57 [2021-01-20 18:05:14,798 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 62 [2021-01-20 18:05:16,508 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 59 [2021-01-20 18:05:17,779 WARN L193 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 63 [2021-01-20 18:05:19,087 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 69 [2021-01-20 18:05:20,326 WARN L193 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 76 [2021-01-20 18:05:21,153 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2021-01-20 18:05:21,767 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 54 [2021-01-20 18:05:22,761 WARN L193 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 57 [2021-01-20 18:05:23,332 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2021-01-20 18:05:27,041 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2021-01-20 18:05:27,595 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2021-01-20 18:05:28,356 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2021-01-20 18:05:28,689 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2021-01-20 18:05:29,396 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-01-20 18:05:30,152 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2021-01-20 18:05:31,031 WARN L193 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 68 [2021-01-20 18:05:31,661 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-01-20 18:05:32,066 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-01-20 18:05:33,035 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2021-01-20 18:05:33,649 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-01-20 18:05:34,367 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2021-01-20 18:05:34,974 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-01-20 18:05:35,431 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-01-20 18:05:36,103 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-01-20 18:05:36,675 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-01-20 18:05:37,094 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-01-20 18:05:37,792 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-01-20 18:05:38,204 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-01-20 18:05:38,769 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2021-01-20 18:05:39,481 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-01-20 18:05:41,203 WARN L193 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2021-01-20 18:05:42,187 WARN L193 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 73 [2021-01-20 18:05:42,897 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-01-20 18:05:43,484 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2021-01-20 18:05:44,481 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2021-01-20 18:05:45,204 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-01-20 18:05:46,369 WARN L193 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 69 [2021-01-20 18:05:47,169 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2021-01-20 18:05:48,167 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-01-20 18:05:48,439 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2021-01-20 18:05:50,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-20 18:05:50,137 INFO L93 Difference]: Finished difference Result 50057 states and 124409 transitions. [2021-01-20 18:05:50,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2021-01-20 18:05:50,143 INFO L78 Accepts]: Start accepts. Automaton has has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 181 [2021-01-20 18:05:50,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-20 18:05:50,145 INFO L769 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 16 SyntacticMatches, 3 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4601 ImplicationChecksByTransitivity, 76.7s TimeCoverageRelationStatistics Valid=1562, Invalid=15208, Unknown=0, NotChecked=0, Total=16770 [2021-01-20 18:05:50,146 INFO L78 Accepts]: Start accepts. Automaton has 50057 states and 124409 transitions. Word has length 181 [2021-01-20 18:05:50,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-20 18:05:50,146 INFO L481 AbstractCegarLoop]: Abstraction has 50057 states and 124409 transitions. [2021-01-20 18:05:50,146 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 51 states, 51 states have (on average 3.549019607843137) internal successors, (181), 51 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-01-20 18:05:50,146 INFO L276 IsEmpty]: Start isEmpty. Operand 50057 states and 124409 transitions. [2021-01-20 18:05:50,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-01-20 18:05:50,186 INFO L496 BasicCegarLoop]: Found error trace [2021-01-20 18:05:50,186 INFO L504 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-20 18:05:50,187 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-01-20 18:05:50,187 INFO L429 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]=== [2021-01-20 18:05:50,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-20 18:05:50,187 INFO L82 PathProgramCache]: Analyzing trace with hash 840449337, now seen corresponding path program 11 times [2021-01-20 18:05:50,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-20 18:05:50,187 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924066368] [2021-01-20 18:05:50,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-20 18:05:50,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-20 18:05:50,958 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 19 [2021-01-20 18:05:51,112 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 18 [2021-01-20 18:05:51,287 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 22 [2021-01-20 18:05:51,667 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 22 [2021-01-20 18:05:51,835 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 25 [2021-01-20 18:05:52,548 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 38 [2021-01-20 18:05:53,464 WARN L193 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 42 [2021-01-20 18:05:54,567 WARN L193 SmtUtils]: Spent 891.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 44 [2021-01-20 18:05:56,297 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 70 DAG size of output: 48 [2021-01-20 18:05:57,340 WARN L193 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2021-01-20 18:05:58,580 WARN L193 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2021-01-20 18:05:59,563 WARN L193 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 37 [2021-01-20 18:06:00,623 WARN L193 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 34 [2021-01-20 18:06:02,026 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2021-01-20 18:06:02,543 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 27 [2021-01-20 18:06:03,056 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 27 Received shutdown request... [2021-01-20 18:06:03,687 WARN L210 SmtUtils]: Removed 4 from assertion stack [2021-01-20 18:06:03,688 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-01-20 18:06:03,688 WARN L546 AbstractCegarLoop]: Verification canceled [2021-01-20 18:06:03,693 WARN L250 ceAbstractionStarter]: Timeout [2021-01-20 18:06:03,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.01 06:06:03 BasicIcfg [2021-01-20 18:06:03,693 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-20 18:06:03,695 INFO L168 Benchmark]: Toolchain (without parser) took 814992.62 ms. Allocated memory was 302.0 MB in the beginning and 2.7 GB in the end (delta: 2.4 GB). Free memory was 275.8 MB in the beginning and 1.8 GB in the end (delta: -1.5 GB). Peak memory consumption was 953.7 MB. Max. memory is 16.0 GB. [2021-01-20 18:06:03,695 INFO L168 Benchmark]: CDTParser took 0.56 ms. Allocated memory is still 302.0 MB. Free memory is still 271.8 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-01-20 18:06:03,695 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1030.31 ms. Allocated memory is still 302.0 MB. Free memory was 275.5 MB in the beginning and 258.1 MB in the end (delta: 17.3 MB). Peak memory consumption was 38.3 MB. Max. memory is 16.0 GB. [2021-01-20 18:06:03,695 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.60 ms. Allocated memory is still 302.0 MB. Free memory was 258.1 MB in the beginning and 255.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-20 18:06:03,695 INFO L168 Benchmark]: Boogie Preprocessor took 87.68 ms. Allocated memory is still 302.0 MB. Free memory was 255.0 MB in the beginning and 252.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-01-20 18:06:03,696 INFO L168 Benchmark]: RCFGBuilder took 977.20 ms. Allocated memory is still 302.0 MB. Free memory was 252.9 MB in the beginning and 205.7 MB in the end (delta: 47.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.0 GB. [2021-01-20 18:06:03,696 INFO L168 Benchmark]: TraceAbstraction took 812774.24 ms. Allocated memory was 302.0 MB in the beginning and 2.7 GB in the end (delta: 2.4 GB). Free memory was 204.7 MB in the beginning and 1.8 GB in the end (delta: -1.6 GB). Peak memory consumption was 884.0 MB. Max. memory is 16.0 GB. [2021-01-20 18:06:03,697 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56 ms. Allocated memory is still 302.0 MB. Free memory is still 271.8 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 1030.31 ms. Allocated memory is still 302.0 MB. Free memory was 275.5 MB in the beginning and 258.1 MB in the end (delta: 17.3 MB). Peak memory consumption was 38.3 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 67.60 ms. Allocated memory is still 302.0 MB. Free memory was 258.1 MB in the beginning and 255.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 87.68 ms. Allocated memory is still 302.0 MB. Free memory was 255.0 MB in the beginning and 252.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 977.20 ms. Allocated memory is still 302.0 MB. Free memory was 252.9 MB in the beginning and 205.7 MB in the end (delta: 47.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 812774.24 ms. Allocated memory was 302.0 MB in the beginning and 2.7 GB in the end (delta: 2.4 GB). Free memory was 204.7 MB in the beginning and 1.8 GB in the end (delta: -1.6 GB). Peak memory consumption was 884.0 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 21]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 21). Cancelled while BasicCegarLoop was analyzing trace of length 182 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 75 for 419ms.. - TimeoutResultAtElement [Line: 21]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 21). Cancelled while BasicCegarLoop was analyzing trace of length 182 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 75 for 419ms.. - TimeoutResultAtElement [Line: 21]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 21). Cancelled while BasicCegarLoop was analyzing trace of length 182 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 75 for 419ms.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 244 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 812.2s, OverallIterations: 27, TraceHistogramMax: 1, AutomataDifference: 604.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.7s, HoareTripleCheckerStatistics: 10026 SDtfs, 49532 SDslu, 163298 SDs, 0 SdLazy, 79162 SolverSat, 2707 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 152.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2012 GetRequests, 212 SyntacticMatches, 49 SemanticMatches, 1751 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50882 ImplicationChecksByTransitivity, 516.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50057occurred in iteration=26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 186.4s InterpolantComputationTime, 3566 NumberOfCodeBlocks, 3566 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 3540 ConstructedInterpolants, 0 QuantifiedInterpolants, 28687481 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 26 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown