/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe.epf -i ../../../trunk/examples/svcomp/pthread/queue_ok_longer.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-7bb8cbd [2020-10-15 20:07:32,783 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 20:07:32,785 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 20:07:32,808 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 20:07:32,809 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 20:07:32,810 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 20:07:32,811 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 20:07:32,813 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 20:07:32,814 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 20:07:32,815 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 20:07:32,816 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 20:07:32,817 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 20:07:32,817 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 20:07:32,818 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 20:07:32,819 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 20:07:32,820 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 20:07:32,821 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 20:07:32,822 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 20:07:32,823 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 20:07:32,825 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 20:07:32,827 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 20:07:32,827 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 20:07:32,829 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 20:07:32,829 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 20:07:32,832 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-15 20:07:32,835 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 20:07:32,835 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 20:07:32,836 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 20:07:32,837 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 20:07:32,838 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 20:07:32,838 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 20:07:32,839 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 20:07:32,839 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 20:07:32,839 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 20:07:32,840 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 20:07:32,841 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 20:07:32,841 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-SemanticLbe.epf [2020-10-15 20:07:32,877 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 20:07:32,877 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 20:07:32,878 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 20:07:32,878 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 20:07:32,878 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 20:07:32,879 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 20:07:32,879 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 20:07:32,879 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 20:07:32,879 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 20:07:32,879 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 20:07:32,880 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 20:07:32,880 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 20:07:32,880 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 20:07:32,880 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 20:07:32,880 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 20:07:32,881 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 20:07:32,881 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 20:07:32,881 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 20:07:32,881 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 20:07:32,881 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 20:07:32,882 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 20:07:32,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 20:07:32,882 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 20:07:32,882 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 20:07:32,882 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 20:07:32,883 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 20:07:32,883 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 20:07:32,883 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 20:07:32,883 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-15 20:07:33,174 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 20:07:33,186 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 20:07:33,190 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 20:07:33,191 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 20:07:33,192 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 20:07:33,193 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue_ok_longer.i [2020-10-15 20:07:33,270 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fe960cf9/1b3ce240ce104e4cb80fdcbeab409ab6/FLAG302e11fe4 [2020-10-15 20:07:33,829 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 20:07:33,830 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_ok_longer.i [2020-10-15 20:07:33,847 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fe960cf9/1b3ce240ce104e4cb80fdcbeab409ab6/FLAG302e11fe4 [2020-10-15 20:07:34,111 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1fe960cf9/1b3ce240ce104e4cb80fdcbeab409ab6 [2020-10-15 20:07:34,121 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 20:07:34,123 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-15 20:07:34,124 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 20:07:34,124 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 20:07:34,128 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 20:07:34,129 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:07:34" (1/1) ... [2020-10-15 20:07:34,132 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71a47bf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:07:34, skipping insertion in model container [2020-10-15 20:07:34,132 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:07:34" (1/1) ... [2020-10-15 20:07:34,140 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 20:07:34,189 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 20:07:34,815 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 20:07:34,831 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 20:07:34,886 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 20:07:35,041 INFO L208 MainTranslator]: Completed translation [2020-10-15 20:07:35,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:07:35 WrapperNode [2020-10-15 20:07:35,041 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 20:07:35,042 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-15 20:07:35,043 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-15 20:07:35,043 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-15 20:07:35,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:07:35" (1/1) ... [2020-10-15 20:07:35,083 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:07:35" (1/1) ... [2020-10-15 20:07:35,118 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-15 20:07:35,118 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 20:07:35,118 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 20:07:35,118 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 20:07:35,128 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:07:35" (1/1) ... [2020-10-15 20:07:35,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:07:35" (1/1) ... [2020-10-15 20:07:35,134 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:07:35" (1/1) ... [2020-10-15 20:07:35,134 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:07:35" (1/1) ... [2020-10-15 20:07:35,149 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:07:35" (1/1) ... [2020-10-15 20:07:35,160 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:07:35" (1/1) ... [2020-10-15 20:07:35,163 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:07:35" (1/1) ... [2020-10-15 20:07:35,167 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 20:07:35,168 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 20:07:35,168 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 20:07:35,168 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 20:07:35,169 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:07:35" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 20:07:35,238 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-10-15 20:07:35,238 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-10-15 20:07:35,238 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-10-15 20:07:35,239 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-10-15 20:07:35,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 20:07:35,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 20:07:35,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 20:07:35,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 20:07:35,241 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-15 20:07:35,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-15 20:07:35,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 20:07:35,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 20:07:35,245 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-15 20:07:35,834 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 20:07:35,834 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-10-15 20:07:35,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:07:35 BoogieIcfgContainer [2020-10-15 20:07:35,837 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 20:07:35,839 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 20:07:35,839 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 20:07:35,842 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 20:07:35,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 08:07:34" (1/3) ... [2020-10-15 20:07:35,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@709b6371 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:07:35, skipping insertion in model container [2020-10-15 20:07:35,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:07:35" (2/3) ... [2020-10-15 20:07:35,845 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@709b6371 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:07:35, skipping insertion in model container [2020-10-15 20:07:35,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:07:35" (3/3) ... [2020-10-15 20:07:35,847 INFO L111 eAbstractionObserver]: Analyzing ICFG queue_ok_longer.i [2020-10-15 20:07:35,860 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-15 20:07:35,861 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-15 20:07:35,869 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-15 20:07:35,870 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-15 20:07:35,913 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,914 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,914 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,914 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,915 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,915 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,915 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,916 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,916 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,916 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,917 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,917 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,917 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,918 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,918 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,918 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,918 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,918 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,919 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,919 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,919 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,919 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,920 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,920 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,920 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,920 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,920 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,921 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,921 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,921 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,921 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,921 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,922 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,922 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,922 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,922 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,923 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,923 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,923 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,923 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,923 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,924 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,924 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,924 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,924 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,925 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,925 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,925 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,925 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,926 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,926 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,926 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,926 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,927 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,927 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,927 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,927 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,928 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,928 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,928 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,929 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,930 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,930 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,930 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,931 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,931 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,931 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,931 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,932 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,932 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,932 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,932 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,932 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,933 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,933 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,933 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,933 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,934 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,934 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,934 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,934 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,935 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,935 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,935 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,935 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,936 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,937 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,938 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,938 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,938 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,938 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,939 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,939 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,939 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,940 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,940 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,940 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,940 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,941 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,941 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,941 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,941 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,942 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,942 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,942 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,942 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,943 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,943 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,943 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,943 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,943 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,944 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,944 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,944 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,944 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,945 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,945 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,945 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,945 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,945 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,946 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,946 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,946 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,946 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,947 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,947 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,947 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,947 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,947 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,948 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,948 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,948 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,948 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,949 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,949 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,949 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,949 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,949 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,950 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,950 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,950 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,950 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,951 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,951 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,951 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,951 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,951 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,952 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,952 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,952 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,952 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,952 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,953 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,953 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,953 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,953 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,953 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,954 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,954 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,954 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,954 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,954 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,955 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,955 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,955 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,955 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,955 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,956 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,956 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,956 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,956 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,956 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,957 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,957 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,957 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,957 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,957 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,958 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,958 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,958 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,958 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,959 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,959 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,959 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,959 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,960 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,960 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,960 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,960 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,960 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,961 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,961 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,961 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,961 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,962 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,962 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,962 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,962 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,962 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,963 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,963 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,963 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,963 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,964 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,964 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,964 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,964 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,965 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,965 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,965 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,965 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,965 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,969 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,969 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,970 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,970 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,970 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,970 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,971 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,971 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,971 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,971 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,972 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,972 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,972 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,972 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,972 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,973 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,973 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,973 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,973 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,973 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,974 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,974 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,974 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,984 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,984 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,985 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,985 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,985 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,985 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,986 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,986 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,986 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,986 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,986 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,987 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,987 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,987 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,987 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,987 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,988 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,988 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,988 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,988 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,989 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,989 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,989 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,989 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,989 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,990 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,990 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,990 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,990 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,991 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:35,991 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:07:36,011 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-15 20:07:36,047 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-15 20:07:36,047 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-15 20:07:36,048 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-15 20:07:36,048 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 20:07:36,048 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 20:07:36,048 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-15 20:07:36,048 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 20:07:36,048 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 20:07:36,066 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-15 20:07:36,069 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 196 places, 204 transitions, 430 flow [2020-10-15 20:07:36,072 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 196 places, 204 transitions, 430 flow [2020-10-15 20:07:36,074 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 196 places, 204 transitions, 430 flow [2020-10-15 20:07:36,164 INFO L129 PetriNetUnfolder]: 14/204 cut-off events. [2020-10-15 20:07:36,165 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-15 20:07:36,175 INFO L80 FinitePrefix]: Finished finitePrefix Result has 215 conditions, 204 events. 14/204 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 365 event pairs, 0 based on Foata normal form. 0/189 useless extension candidates. Maximal degree in co-relation 139. Up to 3 conditions per place. [2020-10-15 20:07:36,185 INFO L117 LiptonReduction]: Number of co-enabled transitions 9440 [2020-10-15 20:07:39,975 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-15 20:07:40,157 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 20:07:40,701 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 122 [2020-10-15 20:07:40,877 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-15 20:07:41,742 WARN L193 SmtUtils]: Spent 847.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 147 [2020-10-15 20:07:42,170 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-10-15 20:07:42,192 INFO L132 LiptonReduction]: Checked pairs total: 22061 [2020-10-15 20:07:42,192 INFO L134 LiptonReduction]: Total number of compositions: 184 [2020-10-15 20:07:42,199 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 53 places, 55 transitions, 132 flow [2020-10-15 20:07:42,241 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 716 states. [2020-10-15 20:07:42,243 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states. [2020-10-15 20:07:42,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2020-10-15 20:07:42,250 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:07:42,250 INFO L422 BasicCegarLoop]: trace histogram [1] [2020-10-15 20:07:42,251 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:07:42,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:07:42,257 INFO L82 PathProgramCache]: Analyzing trace with hash 810, now seen corresponding path program 1 times [2020-10-15 20:07:42,267 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:07:42,267 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079407506] [2020-10-15 20:07:42,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:07:42,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:07:42,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:07:42,396 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079407506] [2020-10-15 20:07:42,397 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:07:42,397 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2020-10-15 20:07:42,397 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794415876] [2020-10-15 20:07:42,402 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-15 20:07:42,403 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:07:42,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-15 20:07:42,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-15 20:07:42,420 INFO L87 Difference]: Start difference. First operand 716 states. Second operand 2 states. [2020-10-15 20:07:42,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:07:42,466 INFO L93 Difference]: Finished difference Result 715 states and 1901 transitions. [2020-10-15 20:07:42,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-15 20:07:42,468 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1 [2020-10-15 20:07:42,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:07:42,489 INFO L225 Difference]: With dead ends: 715 [2020-10-15 20:07:42,489 INFO L226 Difference]: Without dead ends: 524 [2020-10-15 20:07:42,492 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-15 20:07:42,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2020-10-15 20:07:42,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 524. [2020-10-15 20:07:42,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 524 states. [2020-10-15 20:07:42,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 1400 transitions. [2020-10-15 20:07:42,648 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 1400 transitions. Word has length 1 [2020-10-15 20:07:42,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:07:42,651 INFO L481 AbstractCegarLoop]: Abstraction has 524 states and 1400 transitions. [2020-10-15 20:07:42,651 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-15 20:07:42,651 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 1400 transitions. [2020-10-15 20:07:42,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-15 20:07:42,655 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:07:42,655 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 20:07:42,656 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 20:07:42,656 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:07:42,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:07:42,656 INFO L82 PathProgramCache]: Analyzing trace with hash 1385599744, now seen corresponding path program 1 times [2020-10-15 20:07:42,657 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:07:42,657 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190465027] [2020-10-15 20:07:42,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:07:42,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:07:42,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:07:42,834 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190465027] [2020-10-15 20:07:42,835 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:07:42,835 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 20:07:42,835 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553083274] [2020-10-15 20:07:42,836 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 20:07:42,837 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:07:42,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 20:07:42,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 20:07:42,838 INFO L87 Difference]: Start difference. First operand 524 states and 1400 transitions. Second operand 3 states. [2020-10-15 20:07:42,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:07:42,850 INFO L93 Difference]: Finished difference Result 236 states and 509 transitions. [2020-10-15 20:07:42,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 20:07:42,850 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2020-10-15 20:07:42,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:07:42,853 INFO L225 Difference]: With dead ends: 236 [2020-10-15 20:07:42,853 INFO L226 Difference]: Without dead ends: 212 [2020-10-15 20:07:42,854 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 20:07:42,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2020-10-15 20:07:42,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2020-10-15 20:07:42,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2020-10-15 20:07:42,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 464 transitions. [2020-10-15 20:07:42,868 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 464 transitions. Word has length 15 [2020-10-15 20:07:42,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:07:42,869 INFO L481 AbstractCegarLoop]: Abstraction has 212 states and 464 transitions. [2020-10-15 20:07:42,869 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 20:07:42,869 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 464 transitions. [2020-10-15 20:07:42,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-15 20:07:42,874 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:07:42,874 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 20:07:42,874 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 20:07:42,874 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:07:42,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:07:42,875 INFO L82 PathProgramCache]: Analyzing trace with hash 1061498615, now seen corresponding path program 1 times [2020-10-15 20:07:42,875 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:07:42,875 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870464214] [2020-10-15 20:07:42,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:07:42,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:07:43,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:07:43,015 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870464214] [2020-10-15 20:07:43,015 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:07:43,015 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 20:07:43,016 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78504572] [2020-10-15 20:07:43,016 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 20:07:43,016 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:07:43,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 20:07:43,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 20:07:43,017 INFO L87 Difference]: Start difference. First operand 212 states and 464 transitions. Second operand 3 states. [2020-10-15 20:07:43,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:07:43,034 INFO L93 Difference]: Finished difference Result 272 states and 590 transitions. [2020-10-15 20:07:43,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 20:07:43,035 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-15 20:07:43,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:07:43,037 INFO L225 Difference]: With dead ends: 272 [2020-10-15 20:07:43,037 INFO L226 Difference]: Without dead ends: 272 [2020-10-15 20:07:43,038 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 20:07:43,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2020-10-15 20:07:43,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 218. [2020-10-15 20:07:43,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2020-10-15 20:07:43,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 476 transitions. [2020-10-15 20:07:43,047 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 476 transitions. Word has length 19 [2020-10-15 20:07:43,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:07:43,047 INFO L481 AbstractCegarLoop]: Abstraction has 218 states and 476 transitions. [2020-10-15 20:07:43,048 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 20:07:43,048 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 476 transitions. [2020-10-15 20:07:43,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-15 20:07:43,049 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:07:43,050 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 20:07:43,050 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 20:07:43,050 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:07:43,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:07:43,050 INFO L82 PathProgramCache]: Analyzing trace with hash -1197878433, now seen corresponding path program 1 times [2020-10-15 20:07:43,051 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:07:43,051 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232736669] [2020-10-15 20:07:43,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:07:43,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:07:43,105 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:07:43,106 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232736669] [2020-10-15 20:07:43,106 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:07:43,106 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 20:07:43,106 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923606625] [2020-10-15 20:07:43,107 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 20:07:43,107 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:07:43,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 20:07:43,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 20:07:43,107 INFO L87 Difference]: Start difference. First operand 218 states and 476 transitions. Second operand 3 states. [2020-10-15 20:07:43,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:07:43,127 INFO L93 Difference]: Finished difference Result 166 states and 334 transitions. [2020-10-15 20:07:43,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 20:07:43,127 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-10-15 20:07:43,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:07:43,128 INFO L225 Difference]: With dead ends: 166 [2020-10-15 20:07:43,129 INFO L226 Difference]: Without dead ends: 164 [2020-10-15 20:07:43,129 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 20:07:43,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2020-10-15 20:07:43,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2020-10-15 20:07:43,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2020-10-15 20:07:43,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 331 transitions. [2020-10-15 20:07:43,135 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 331 transitions. Word has length 26 [2020-10-15 20:07:43,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:07:43,135 INFO L481 AbstractCegarLoop]: Abstraction has 164 states and 331 transitions. [2020-10-15 20:07:43,135 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 20:07:43,136 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 331 transitions. [2020-10-15 20:07:43,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-15 20:07:43,137 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:07:43,137 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 20:07:43,137 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 20:07:43,137 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:07:43,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:07:43,138 INFO L82 PathProgramCache]: Analyzing trace with hash -969107883, now seen corresponding path program 1 times [2020-10-15 20:07:43,138 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:07:43,138 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326499999] [2020-10-15 20:07:43,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:07:43,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:07:43,208 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:07:43,209 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326499999] [2020-10-15 20:07:43,211 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1401228832] [2020-10-15 20:07:43,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 20:07:43,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:07:43,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-15 20:07:43,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 20:07:43,341 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:07:43,342 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 20:07:43,342 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-10-15 20:07:43,342 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013107284] [2020-10-15 20:07:43,343 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-15 20:07:43,343 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:07:43,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-15 20:07:43,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-15 20:07:43,344 INFO L87 Difference]: Start difference. First operand 164 states and 331 transitions. Second operand 4 states. [2020-10-15 20:07:43,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:07:43,376 INFO L93 Difference]: Finished difference Result 240 states and 472 transitions. [2020-10-15 20:07:43,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-15 20:07:43,377 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 27 [2020-10-15 20:07:43,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:07:43,379 INFO L225 Difference]: With dead ends: 240 [2020-10-15 20:07:43,379 INFO L226 Difference]: Without dead ends: 240 [2020-10-15 20:07:43,379 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-15 20:07:43,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-10-15 20:07:43,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 204. [2020-10-15 20:07:43,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2020-10-15 20:07:43,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 405 transitions. [2020-10-15 20:07:43,387 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 405 transitions. Word has length 27 [2020-10-15 20:07:43,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:07:43,388 INFO L481 AbstractCegarLoop]: Abstraction has 204 states and 405 transitions. [2020-10-15 20:07:43,388 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-15 20:07:43,388 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 405 transitions. [2020-10-15 20:07:43,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-15 20:07:43,389 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:07:43,389 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 20:07:43,603 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 20:07:43,604 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:07:43,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:07:43,605 INFO L82 PathProgramCache]: Analyzing trace with hash 1561383711, now seen corresponding path program 2 times [2020-10-15 20:07:43,605 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:07:43,606 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566036236] [2020-10-15 20:07:43,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:07:43,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:07:43,725 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:07:43,725 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566036236] [2020-10-15 20:07:43,725 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [77382006] [2020-10-15 20:07:43,725 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 20:07:43,888 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-15 20:07:43,888 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-15 20:07:43,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-15 20:07:43,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 20:07:43,914 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:07:43,915 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 20:07:43,915 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2020-10-15 20:07:43,915 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437552043] [2020-10-15 20:07:43,916 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 20:07:43,916 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:07:43,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 20:07:43,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-15 20:07:43,917 INFO L87 Difference]: Start difference. First operand 204 states and 405 transitions. Second operand 5 states. [2020-10-15 20:07:43,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:07:43,967 INFO L93 Difference]: Finished difference Result 280 states and 546 transitions. [2020-10-15 20:07:43,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-15 20:07:43,970 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-10-15 20:07:43,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:07:43,972 INFO L225 Difference]: With dead ends: 280 [2020-10-15 20:07:43,972 INFO L226 Difference]: Without dead ends: 280 [2020-10-15 20:07:43,973 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-15 20:07:43,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2020-10-15 20:07:43,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 244. [2020-10-15 20:07:43,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2020-10-15 20:07:43,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 479 transitions. [2020-10-15 20:07:43,982 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 479 transitions. Word has length 34 [2020-10-15 20:07:43,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:07:43,982 INFO L481 AbstractCegarLoop]: Abstraction has 244 states and 479 transitions. [2020-10-15 20:07:43,982 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 20:07:43,982 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 479 transitions. [2020-10-15 20:07:43,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-15 20:07:43,984 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:07:43,984 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 20:07:44,197 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 20:07:44,198 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:07:44,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:07:44,199 INFO L82 PathProgramCache]: Analyzing trace with hash -303137003, now seen corresponding path program 3 times [2020-10-15 20:07:44,199 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:07:44,200 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196956487] [2020-10-15 20:07:44,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:07:44,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:07:44,272 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:07:44,272 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196956487] [2020-10-15 20:07:44,273 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [114522197] [2020-10-15 20:07:44,273 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 20:07:44,886 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2020-10-15 20:07:44,887 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-15 20:07:44,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-15 20:07:44,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 20:07:44,907 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:07:44,907 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 20:07:44,907 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2020-10-15 20:07:44,908 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409617924] [2020-10-15 20:07:44,908 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-15 20:07:44,909 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:07:44,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-15 20:07:44,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-10-15 20:07:44,909 INFO L87 Difference]: Start difference. First operand 244 states and 479 transitions. Second operand 6 states. [2020-10-15 20:07:44,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:07:44,948 INFO L93 Difference]: Finished difference Result 320 states and 620 transitions. [2020-10-15 20:07:44,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 20:07:44,949 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 41 [2020-10-15 20:07:44,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:07:44,951 INFO L225 Difference]: With dead ends: 320 [2020-10-15 20:07:44,951 INFO L226 Difference]: Without dead ends: 320 [2020-10-15 20:07:44,952 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-10-15 20:07:44,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2020-10-15 20:07:44,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 284. [2020-10-15 20:07:44,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 284 states. [2020-10-15 20:07:44,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 553 transitions. [2020-10-15 20:07:44,961 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 553 transitions. Word has length 41 [2020-10-15 20:07:44,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:07:44,961 INFO L481 AbstractCegarLoop]: Abstraction has 284 states and 553 transitions. [2020-10-15 20:07:44,961 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-15 20:07:44,961 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 553 transitions. [2020-10-15 20:07:44,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-10-15 20:07:44,963 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:07:44,963 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 20:07:45,174 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 20:07:45,175 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:07:45,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:07:45,176 INFO L82 PathProgramCache]: Analyzing trace with hash 1439404639, now seen corresponding path program 4 times [2020-10-15 20:07:45,176 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:07:45,176 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507704078] [2020-10-15 20:07:45,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:07:45,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:07:45,258 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:07:45,258 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507704078] [2020-10-15 20:07:45,259 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1473686118] [2020-10-15 20:07:45,259 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 20:07:45,385 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-10-15 20:07:45,385 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-15 20:07:45,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-15 20:07:45,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 20:07:45,419 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:07:45,419 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 20:07:45,419 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2020-10-15 20:07:45,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956985401] [2020-10-15 20:07:45,420 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 20:07:45,421 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:07:45,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 20:07:45,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-10-15 20:07:45,421 INFO L87 Difference]: Start difference. First operand 284 states and 553 transitions. Second operand 7 states. [2020-10-15 20:07:45,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:07:45,476 INFO L93 Difference]: Finished difference Result 360 states and 694 transitions. [2020-10-15 20:07:45,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 20:07:45,477 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 48 [2020-10-15 20:07:45,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:07:45,482 INFO L225 Difference]: With dead ends: 360 [2020-10-15 20:07:45,482 INFO L226 Difference]: Without dead ends: 360 [2020-10-15 20:07:45,482 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-10-15 20:07:45,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-10-15 20:07:45,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 324. [2020-10-15 20:07:45,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324 states. [2020-10-15 20:07:45,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 627 transitions. [2020-10-15 20:07:45,494 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 627 transitions. Word has length 48 [2020-10-15 20:07:45,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:07:45,495 INFO L481 AbstractCegarLoop]: Abstraction has 324 states and 627 transitions. [2020-10-15 20:07:45,495 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 20:07:45,495 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 627 transitions. [2020-10-15 20:07:45,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-10-15 20:07:45,498 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:07:45,498 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 20:07:45,713 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 20:07:45,714 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:07:45,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:07:45,714 INFO L82 PathProgramCache]: Analyzing trace with hash -2001070123, now seen corresponding path program 5 times [2020-10-15 20:07:45,715 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:07:45,715 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726247128] [2020-10-15 20:07:45,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:07:45,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:07:45,831 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:07:45,832 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726247128] [2020-10-15 20:07:45,832 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1300495977] [2020-10-15 20:07:45,833 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 20:07:46,016 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2020-10-15 20:07:46,016 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-15 20:07:46,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 39 conjunts are in the unsatisfiable core [2020-10-15 20:07:46,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 20:07:46,076 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-10-15 20:07:46,077 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:07:46,079 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:07:46,080 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:07:46,080 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:9 [2020-10-15 20:07:46,139 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:07:46,139 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 62 [2020-10-15 20:07:46,140 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:07:46,168 INFO L625 ElimStorePlain]: treesize reduction 24, result has 62.5 percent of original size [2020-10-15 20:07:46,171 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 20:07:46,178 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-15 20:07:46,179 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:35 [2020-10-15 20:07:46,252 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 20:07:46,273 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 20:07:46,275 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 20:07:46,289 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:07:46,290 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-10-15 20:07:46,290 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:07:46,315 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:07:46,316 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 54 [2020-10-15 20:07:46,318 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 20:07:46,319 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 20:07:46,414 INFO L625 ElimStorePlain]: treesize reduction 50, result has 64.8 percent of original size [2020-10-15 20:07:46,423 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-15 20:07:46,423 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:96, output treesize:48 [2020-10-15 20:07:46,465 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 20:07:46,480 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2020-10-15 20:07:46,481 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:07:46,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 20:07:46,494 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 20:07:46,495 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 20:07:46,527 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:07:46,529 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-15 20:07:46,529 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-10-15 20:07:46,611 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2020-10-15 20:07:46,612 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:07:46,620 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:07:46,621 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:07:46,621 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:34 [2020-10-15 20:07:46,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 20:07:46,668 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 29 [2020-10-15 20:07:46,669 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:07:46,676 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:07:46,677 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:07:46,678 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:36, output treesize:9 [2020-10-15 20:07:46,735 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:07:46,735 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 57 [2020-10-15 20:07:46,736 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:07:46,753 INFO L625 ElimStorePlain]: treesize reduction 30, result has 44.4 percent of original size [2020-10-15 20:07:46,755 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:07:46,755 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:34, output treesize:9 [2020-10-15 20:07:46,796 INFO L350 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2020-10-15 20:07:46,797 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 20:07:46,797 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:07:46,802 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:07:46,812 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:07:46,812 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:9 [2020-10-15 20:07:46,825 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 63 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-15 20:07:46,825 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 20:07:46,826 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 17 [2020-10-15 20:07:46,826 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111435081] [2020-10-15 20:07:46,826 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-15 20:07:46,826 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:07:46,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-15 20:07:46,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2020-10-15 20:07:46,827 INFO L87 Difference]: Start difference. First operand 324 states and 627 transitions. Second operand 17 states. [2020-10-15 20:07:49,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:07:49,908 INFO L93 Difference]: Finished difference Result 990 states and 1887 transitions. [2020-10-15 20:07:49,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-10-15 20:07:49,908 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 55 [2020-10-15 20:07:49,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:07:49,916 INFO L225 Difference]: With dead ends: 990 [2020-10-15 20:07:49,916 INFO L226 Difference]: Without dead ends: 990 [2020-10-15 20:07:49,918 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 940 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=738, Invalid=2342, Unknown=0, NotChecked=0, Total=3080 [2020-10-15 20:07:49,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 990 states. [2020-10-15 20:07:49,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 990 to 640. [2020-10-15 20:07:49,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 640 states. [2020-10-15 20:07:49,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 1212 transitions. [2020-10-15 20:07:49,940 INFO L78 Accepts]: Start accepts. Automaton has 640 states and 1212 transitions. Word has length 55 [2020-10-15 20:07:49,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:07:49,941 INFO L481 AbstractCegarLoop]: Abstraction has 640 states and 1212 transitions. [2020-10-15 20:07:49,941 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-15 20:07:49,941 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 1212 transitions. [2020-10-15 20:07:49,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-15 20:07:49,943 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:07:49,943 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 20:07:50,158 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 20:07:50,159 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:07:50,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:07:50,159 INFO L82 PathProgramCache]: Analyzing trace with hash 1721466975, now seen corresponding path program 1 times [2020-10-15 20:07:50,160 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:07:50,160 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085019754] [2020-10-15 20:07:50,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:07:50,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:07:50,324 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:07:50,325 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085019754] [2020-10-15 20:07:50,326 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [693488242] [2020-10-15 20:07:50,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 20:07:50,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:07:50,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-15 20:07:50,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 20:07:50,492 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:07:50,492 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 20:07:50,493 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2020-10-15 20:07:50,493 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006199211] [2020-10-15 20:07:50,493 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 20:07:50,493 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:07:50,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 20:07:50,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2020-10-15 20:07:50,494 INFO L87 Difference]: Start difference. First operand 640 states and 1212 transitions. Second operand 9 states. [2020-10-15 20:07:50,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:07:50,591 INFO L93 Difference]: Finished difference Result 828 states and 1557 transitions. [2020-10-15 20:07:50,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-15 20:07:50,591 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-10-15 20:07:50,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:07:50,599 INFO L225 Difference]: With dead ends: 828 [2020-10-15 20:07:50,599 INFO L226 Difference]: Without dead ends: 828 [2020-10-15 20:07:50,601 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2020-10-15 20:07:50,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2020-10-15 20:07:50,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 740. [2020-10-15 20:07:50,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 740 states. [2020-10-15 20:07:50,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 740 states and 1395 transitions. [2020-10-15 20:07:50,626 INFO L78 Accepts]: Start accepts. Automaton has 740 states and 1395 transitions. Word has length 64 [2020-10-15 20:07:50,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:07:50,627 INFO L481 AbstractCegarLoop]: Abstraction has 740 states and 1395 transitions. [2020-10-15 20:07:50,627 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 20:07:50,627 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 1395 transitions. [2020-10-15 20:07:50,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-10-15 20:07:50,629 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:07:50,630 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 20:07:50,842 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 20:07:50,842 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:07:50,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:07:50,843 INFO L82 PathProgramCache]: Analyzing trace with hash 1068182613, now seen corresponding path program 2 times [2020-10-15 20:07:50,843 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:07:50,843 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966452291] [2020-10-15 20:07:50,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:07:50,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:07:51,055 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:07:51,055 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966452291] [2020-10-15 20:07:51,056 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1760377609] [2020-10-15 20:07:51,056 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 20:07:51,245 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-15 20:07:51,245 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-15 20:07:51,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 9 conjunts are in the unsatisfiable core [2020-10-15 20:07:51,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 20:07:51,275 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:07:51,276 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 20:07:51,276 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 10 [2020-10-15 20:07:51,276 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439828701] [2020-10-15 20:07:51,276 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-15 20:07:51,277 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:07:51,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-15 20:07:51,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2020-10-15 20:07:51,277 INFO L87 Difference]: Start difference. First operand 740 states and 1395 transitions. Second operand 10 states. [2020-10-15 20:07:51,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:07:51,360 INFO L93 Difference]: Finished difference Result 928 states and 1740 transitions. [2020-10-15 20:07:51,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-15 20:07:51,361 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 71 [2020-10-15 20:07:51,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:07:51,367 INFO L225 Difference]: With dead ends: 928 [2020-10-15 20:07:51,367 INFO L226 Difference]: Without dead ends: 928 [2020-10-15 20:07:51,367 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2020-10-15 20:07:51,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 928 states. [2020-10-15 20:07:51,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 928 to 840. [2020-10-15 20:07:51,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 840 states. [2020-10-15 20:07:51,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 840 states and 1578 transitions. [2020-10-15 20:07:51,387 INFO L78 Accepts]: Start accepts. Automaton has 840 states and 1578 transitions. Word has length 71 [2020-10-15 20:07:51,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:07:51,387 INFO L481 AbstractCegarLoop]: Abstraction has 840 states and 1578 transitions. [2020-10-15 20:07:51,387 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-15 20:07:51,387 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1578 transitions. [2020-10-15 20:07:51,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-10-15 20:07:51,389 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:07:51,389 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 5, 5, 5, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 20:07:51,602 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 20:07:51,603 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:07:51,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:07:51,603 INFO L82 PathProgramCache]: Analyzing trace with hash -1341473003, now seen corresponding path program 3 times [2020-10-15 20:07:51,604 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:07:51,604 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105523617] [2020-10-15 20:07:51,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:07:51,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:07:51,723 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 177 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:07:51,724 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105523617] [2020-10-15 20:07:51,724 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [963393302] [2020-10-15 20:07:51,724 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 20:07:52,936 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2020-10-15 20:07:52,936 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-15 20:07:52,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 59 conjunts are in the unsatisfiable core [2020-10-15 20:07:52,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 20:07:52,960 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 88 [2020-10-15 20:07:52,962 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:07:52,996 INFO L625 ElimStorePlain]: treesize reduction 65, result has 20.7 percent of original size [2020-10-15 20:07:52,999 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:07:52,999 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:20, output treesize:4 [2020-10-15 20:07:53,044 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-10-15 20:07:53,045 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:07:53,050 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:07:53,050 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:07:53,051 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2020-10-15 20:07:53,073 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 20:07:53,073 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:07:53,081 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:07:53,082 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:07:53,083 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:14 [2020-10-15 20:07:53,118 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 20:07:53,133 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:07:53,133 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-10-15 20:07:53,134 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:07:53,162 INFO L625 ElimStorePlain]: treesize reduction 30, result has 53.1 percent of original size [2020-10-15 20:07:53,164 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:07:53,164 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:44, output treesize:20 [2020-10-15 20:07:53,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 20:07:53,198 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 20:07:53,198 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:07:53,212 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:07:53,213 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:07:53,213 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:35, output treesize:20 [2020-10-15 20:07:53,262 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2020-10-15 20:07:53,262 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:07:53,269 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:07:53,269 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:07:53,269 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:16 [2020-10-15 20:07:53,297 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 20:07:53,298 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:07:53,305 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:07:53,307 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:07:53,307 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:29, output treesize:9 [2020-10-15 20:07:53,352 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 20:07:53,365 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:07:53,365 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 49 [2020-10-15 20:07:53,366 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:07:53,386 INFO L625 ElimStorePlain]: treesize reduction 26, result has 49.0 percent of original size [2020-10-15 20:07:53,387 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:07:53,388 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:37, output treesize:16 [2020-10-15 20:07:53,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 20:07:53,415 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 20:07:53,416 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:07:53,423 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:07:53,424 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:07:53,425 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:31, output treesize:16 [2020-10-15 20:07:53,428 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2020-10-15 20:07:53,429 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:07:53,431 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:07:53,431 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:07:53,431 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:1 [2020-10-15 20:07:53,444 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 78 proven. 35 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2020-10-15 20:07:53,445 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 20:07:53,445 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2020-10-15 20:07:53,445 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831180170] [2020-10-15 20:07:53,446 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-15 20:07:53,446 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:07:53,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-15 20:07:53,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=327, Unknown=0, NotChecked=0, Total=420 [2020-10-15 20:07:53,447 INFO L87 Difference]: Start difference. First operand 840 states and 1578 transitions. Second operand 21 states. [2020-10-15 20:07:55,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:07:55,846 INFO L93 Difference]: Finished difference Result 1276 states and 2352 transitions. [2020-10-15 20:07:55,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2020-10-15 20:07:55,846 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 79 [2020-10-15 20:07:55,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:07:55,852 INFO L225 Difference]: With dead ends: 1276 [2020-10-15 20:07:55,853 INFO L226 Difference]: Without dead ends: 1276 [2020-10-15 20:07:55,855 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 69 SyntacticMatches, 1 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1747 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1143, Invalid=4113, Unknown=0, NotChecked=0, Total=5256 [2020-10-15 20:07:55,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1276 states. [2020-10-15 20:07:55,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1276 to 888. [2020-10-15 20:07:55,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 888 states. [2020-10-15 20:07:55,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 888 states and 1638 transitions. [2020-10-15 20:07:55,877 INFO L78 Accepts]: Start accepts. Automaton has 888 states and 1638 transitions. Word has length 79 [2020-10-15 20:07:55,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:07:55,879 INFO L481 AbstractCegarLoop]: Abstraction has 888 states and 1638 transitions. [2020-10-15 20:07:55,879 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-15 20:07:55,879 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 1638 transitions. [2020-10-15 20:07:55,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-15 20:07:55,887 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:07:55,887 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 20:07:56,102 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-10-15 20:07:56,103 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:07:56,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:07:56,103 INFO L82 PathProgramCache]: Analyzing trace with hash -1962857127, now seen corresponding path program 4 times [2020-10-15 20:07:56,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:07:56,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749795741] [2020-10-15 20:07:56,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:07:56,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:07:56,236 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:07:56,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749795741] [2020-10-15 20:07:56,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [520235226] [2020-10-15 20:07:56,236 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 20:07:57,901 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-10-15 20:07:57,902 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-15 20:07:57,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 11 conjunts are in the unsatisfiable core [2020-10-15 20:07:57,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 20:07:57,941 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:07:57,942 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 20:07:57,942 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 12 [2020-10-15 20:07:57,942 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046802199] [2020-10-15 20:07:57,943 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 20:07:57,943 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:07:57,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 20:07:57,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2020-10-15 20:07:57,944 INFO L87 Difference]: Start difference. First operand 888 states and 1638 transitions. Second operand 12 states. [2020-10-15 20:07:58,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:07:58,020 INFO L93 Difference]: Finished difference Result 1060 states and 1947 transitions. [2020-10-15 20:07:58,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-15 20:07:58,021 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 88 [2020-10-15 20:07:58,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:07:58,026 INFO L225 Difference]: With dead ends: 1060 [2020-10-15 20:07:58,026 INFO L226 Difference]: Without dead ends: 1060 [2020-10-15 20:07:58,027 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2020-10-15 20:07:58,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1060 states. [2020-10-15 20:07:58,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1060 to 980. [2020-10-15 20:07:58,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 980 states. [2020-10-15 20:07:58,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 980 states and 1803 transitions. [2020-10-15 20:07:58,073 INFO L78 Accepts]: Start accepts. Automaton has 980 states and 1803 transitions. Word has length 88 [2020-10-15 20:07:58,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:07:58,074 INFO L481 AbstractCegarLoop]: Abstraction has 980 states and 1803 transitions. [2020-10-15 20:07:58,074 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 20:07:58,074 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 1803 transitions. [2020-10-15 20:07:58,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-10-15 20:07:58,077 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:07:58,077 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 6, 6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 20:07:58,291 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 20:07:58,292 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:07:58,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:07:58,292 INFO L82 PathProgramCache]: Analyzing trace with hash -1574165281, now seen corresponding path program 5 times [2020-10-15 20:07:58,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:07:58,293 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876359940] [2020-10-15 20:07:58,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:07:58,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:07:58,444 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 0 proven. 292 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:07:58,444 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876359940] [2020-10-15 20:07:58,445 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2124973422] [2020-10-15 20:07:58,445 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 20:08:14,766 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2020-10-15 20:08:14,766 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-15 20:08:14,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 133 conjunts are in the unsatisfiable core [2020-10-15 20:08:14,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 20:08:14,884 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-10-15 20:08:14,885 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:08:14,886 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:08:14,886 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:08:14,887 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:9 [2020-10-15 20:08:14,925 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:08:14,926 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 65 [2020-10-15 20:08:14,927 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:08:14,956 INFO L625 ElimStorePlain]: treesize reduction 25, result has 59.7 percent of original size [2020-10-15 20:08:14,957 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-15 20:08:14,958 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:26, output treesize:24 [2020-10-15 20:08:15,027 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 20:08:15,067 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:08:15,068 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 54 [2020-10-15 20:08:15,072 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 20:08:15,079 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:08:15,089 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 20:08:15,109 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:08:15,110 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-10-15 20:08:15,111 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 20:08:15,189 INFO L625 ElimStorePlain]: treesize reduction 50, result has 61.5 percent of original size [2020-10-15 20:08:15,191 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-15 20:08:15,192 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:84, output treesize:36 [2020-10-15 20:08:15,231 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 20:08:15,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 20:08:15,245 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 20:08:15,245 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:08:15,251 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2020-10-15 20:08:15,252 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 20:08:15,277 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:08:15,279 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-15 20:08:15,280 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:66, output treesize:36 [2020-10-15 20:08:15,379 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 4, 1] term [2020-10-15 20:08:15,379 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 20:08:15,385 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 19 [2020-10-15 20:08:15,386 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:08:15,417 INFO L625 ElimStorePlain]: treesize reduction 13, result has 81.2 percent of original size [2020-10-15 20:08:15,420 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2020-10-15 20:08:15,421 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 20:08:15,431 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:08:15,432 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-15 20:08:15,432 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:86, output treesize:37 [2020-10-15 20:08:15,463 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 20:08:15,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 20:08:15,482 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2020-10-15 20:08:15,483 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:08:15,507 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:08:15,508 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 65 [2020-10-15 20:08:15,509 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 20:08:15,569 INFO L625 ElimStorePlain]: treesize reduction 25, result has 74.7 percent of original size [2020-10-15 20:08:15,570 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-10-15 20:08:15,570 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:67, output treesize:48 [2020-10-15 20:08:15,662 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-15 20:08:15,694 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:08:15,694 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 46 [2020-10-15 20:08:15,695 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-10-15 20:08:15,696 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 20:08:15,700 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-10-15 20:08:15,715 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 20:08:15,718 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 20:08:15,734 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:08:15,734 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 49 [2020-10-15 20:08:15,735 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 20:08:15,744 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 20:08:15,763 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:08:15,764 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 50 [2020-10-15 20:08:15,765 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2020-10-15 20:08:15,766 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 20:08:15,769 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-15 20:08:15,872 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 44 [2020-10-15 20:08:15,873 INFO L625 ElimStorePlain]: treesize reduction 79, result has 59.9 percent of original size [2020-10-15 20:08:15,875 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-10-15 20:08:15,875 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:128, output treesize:65 [2020-10-15 20:08:15,941 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-15 20:08:15,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 20:08:15,955 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 20:08:15,956 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:08:15,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 20:08:15,965 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2020-10-15 20:08:15,966 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 20:08:15,972 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2020-10-15 20:08:15,973 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-15 20:08:16,016 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:08:16,018 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-10-15 20:08:16,018 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:110, output treesize:65 [2020-10-15 20:08:16,174 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 3, 5, 1] term [2020-10-15 20:08:16,174 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-15 20:08:16,181 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2020-10-15 20:08:16,182 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:08:16,259 INFO L625 ElimStorePlain]: treesize reduction 10, result has 91.7 percent of original size [2020-10-15 20:08:16,264 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2020-10-15 20:08:16,264 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 20:08:16,290 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:08:16,294 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 20 [2020-10-15 20:08:16,295 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-15 20:08:16,318 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:08:16,318 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-10-15 20:08:16,319 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:140, output treesize:72 [2020-10-15 20:08:16,374 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-15 20:08:16,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 20:08:16,388 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 30 [2020-10-15 20:08:16,388 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:08:16,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 20:08:16,399 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 26 [2020-10-15 20:08:16,400 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 20:08:16,428 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:08:16,428 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 65 [2020-10-15 20:08:16,429 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-15 20:08:16,517 INFO L625 ElimStorePlain]: treesize reduction 25, result has 82.8 percent of original size [2020-10-15 20:08:16,518 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2020-10-15 20:08:16,519 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:117, output treesize:82 [2020-10-15 20:08:16,658 INFO L603 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-10-15 20:08:16,677 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 20:08:16,679 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 20:08:16,694 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:08:16,695 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 50 [2020-10-15 20:08:16,696 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2020-10-15 20:08:16,696 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 20:08:16,698 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:08:16,711 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 20:08:16,714 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 20:08:16,728 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:08:16,728 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 49 [2020-10-15 20:08:16,729 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 20:08:16,750 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:08:16,750 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 46 [2020-10-15 20:08:16,752 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-10-15 20:08:16,752 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 20:08:16,753 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2020-10-15 20:08:16,757 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 20:08:16,771 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:08:16,772 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 54 [2020-10-15 20:08:16,774 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 2, 1] term [2020-10-15 20:08:16,774 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-10-15 20:08:16,775 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-10-15 20:08:16,956 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 51 [2020-10-15 20:08:16,957 INFO L625 ElimStorePlain]: treesize reduction 105, result has 62.4 percent of original size [2020-10-15 20:08:16,959 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2020-10-15 20:08:16,959 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:188, output treesize:104 [2020-10-15 20:08:17,053 INFO L603 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-10-15 20:08:17,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 20:08:17,069 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 20:08:17,070 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:08:17,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 20:08:17,086 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 29 [2020-10-15 20:08:17,087 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 20:08:17,100 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2020-10-15 20:08:17,101 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-15 20:08:17,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 20:08:17,109 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2020-10-15 20:08:17,110 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-10-15 20:08:17,169 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:08:17,170 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2020-10-15 20:08:17,171 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:164, output treesize:104 [2020-10-15 20:08:17,304 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 4, 1] term [2020-10-15 20:08:17,304 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-15 20:08:17,313 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2020-10-15 20:08:17,315 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:08:17,346 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:08:17,353 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2020-10-15 20:08:17,356 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 20:08:17,386 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:08:17,390 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2020-10-15 20:08:17,391 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-15 20:08:17,416 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:08:17,416 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-10-15 20:08:17,416 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:106, output treesize:67 [2020-10-15 20:08:17,476 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-15 20:08:17,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 20:08:17,486 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2020-10-15 20:08:17,487 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:08:17,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 20:08:17,496 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2020-10-15 20:08:17,497 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 20:08:17,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 20:08:17,503 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2020-10-15 20:08:17,504 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-15 20:08:17,538 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:08:17,540 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-10-15 20:08:17,540 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:118, output treesize:70 [2020-10-15 20:08:17,705 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-15 20:08:17,714 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 20:08:17,716 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 20:08:17,733 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:08:17,734 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-10-15 20:08:17,735 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:08:17,740 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 20:08:17,742 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 20:08:17,758 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:08:17,758 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-10-15 20:08:17,759 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 20:08:17,764 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 20:08:17,781 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:08:17,781 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-10-15 20:08:17,782 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-15 20:08:17,917 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2020-10-15 20:08:17,918 INFO L625 ElimStorePlain]: treesize reduction 90, result has 58.5 percent of original size [2020-10-15 20:08:17,919 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-10-15 20:08:17,919 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:157, output treesize:85 [2020-10-15 20:08:18,016 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-15 20:08:18,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 20:08:18,032 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 20:08:18,032 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:08:18,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 20:08:18,048 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 20:08:18,048 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 20:08:18,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 20:08:18,056 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 20:08:18,057 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-15 20:08:18,108 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:08:18,109 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-10-15 20:08:18,109 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:130, output treesize:85 [2020-10-15 20:08:18,208 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 5, 1] term [2020-10-15 20:08:18,209 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-15 20:08:18,219 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2020-10-15 20:08:18,220 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:08:18,258 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:08:18,269 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2020-10-15 20:08:18,269 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 20:08:18,301 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:08:18,308 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2020-10-15 20:08:18,308 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-15 20:08:18,334 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:08:18,335 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-10-15 20:08:18,335 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:130, output treesize:69 [2020-10-15 20:08:18,406 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-15 20:08:18,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 20:08:18,421 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2020-10-15 20:08:18,422 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:08:18,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 20:08:18,432 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2020-10-15 20:08:18,432 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 20:08:18,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 20:08:18,441 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2020-10-15 20:08:18,441 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-15 20:08:18,479 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:08:18,480 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-10-15 20:08:18,480 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:118, output treesize:70 [2020-10-15 20:08:18,652 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-15 20:08:18,662 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 20:08:18,664 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 20:08:18,682 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:08:18,683 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 49 [2020-10-15 20:08:18,684 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:08:18,694 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 20:08:18,695 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 20:08:18,714 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:08:18,714 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 49 [2020-10-15 20:08:18,715 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 20:08:18,719 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 20:08:18,735 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:08:18,735 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 49 [2020-10-15 20:08:18,736 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-15 20:08:18,844 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 38 [2020-10-15 20:08:18,844 INFO L625 ElimStorePlain]: treesize reduction 78, result has 58.9 percent of original size [2020-10-15 20:08:18,846 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-10-15 20:08:18,846 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:148, output treesize:85 [2020-10-15 20:08:18,952 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-15 20:08:18,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 20:08:18,965 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 20:08:18,966 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:08:18,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 20:08:18,981 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 20:08:18,982 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 20:08:18,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 20:08:18,991 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 20:08:18,992 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-15 20:08:19,041 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:08:19,045 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-10-15 20:08:19,045 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:130, output treesize:85 [2020-10-15 20:08:19,219 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 5, 1] term [2020-10-15 20:08:19,219 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-15 20:08:19,226 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2020-10-15 20:08:19,227 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:08:19,261 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:08:19,265 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2020-10-15 20:08:19,266 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 20:08:19,293 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:08:19,299 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2020-10-15 20:08:19,299 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-15 20:08:19,323 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:08:19,324 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-10-15 20:08:19,324 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:130, output treesize:69 [2020-10-15 20:08:19,397 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 3, 1] term [2020-10-15 20:08:19,397 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-15 20:08:19,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 20:08:19,415 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2020-10-15 20:08:19,415 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:08:19,442 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:08:19,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 20:08:19,447 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2020-10-15 20:08:19,448 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 20:08:19,467 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:08:19,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 20:08:19,471 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2020-10-15 20:08:19,472 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-10-15 20:08:19,487 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:08:19,489 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:08:19,489 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:70, output treesize:9 [2020-10-15 20:08:19,591 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:08:19,592 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 49 [2020-10-15 20:08:19,592 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:08:19,605 INFO L625 ElimStorePlain]: treesize reduction 26, result has 42.2 percent of original size [2020-10-15 20:08:19,606 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:08:19,606 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:31, output treesize:9 [2020-10-15 20:08:19,657 INFO L350 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2020-10-15 20:08:19,657 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 20:08:19,658 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:08:19,662 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:08:19,663 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:08:19,663 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:9 [2020-10-15 20:08:19,736 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 189 proven. 80 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-15 20:08:19,737 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 20:08:19,737 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 34] total 45 [2020-10-15 20:08:19,739 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029833224] [2020-10-15 20:08:19,740 INFO L461 AbstractCegarLoop]: Interpolant automaton has 45 states [2020-10-15 20:08:19,740 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:08:19,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2020-10-15 20:08:19,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=236, Invalid=1744, Unknown=0, NotChecked=0, Total=1980 [2020-10-15 20:08:19,741 INFO L87 Difference]: Start difference. First operand 980 states and 1803 transitions. Second operand 45 states. [2020-10-15 20:08:22,849 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 37 [2020-10-15 20:08:24,715 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 36 [2020-10-15 20:08:24,962 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 36 [2020-10-15 20:08:26,906 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 37 [2020-10-15 20:08:27,472 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 37 [2020-10-15 20:08:29,657 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 37 [2020-10-15 20:08:29,923 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 37 [2020-10-15 20:08:32,330 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 37 [2020-10-15 20:08:32,779 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 37 [2020-10-15 20:08:34,932 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 37 [2020-10-15 20:08:35,322 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 37 [2020-10-15 20:08:37,780 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 37 [2020-10-15 20:08:37,974 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 37 [2020-10-15 20:08:40,455 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 37 [2020-10-15 20:08:41,002 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 37 [2020-10-15 20:08:41,965 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 35 [2020-10-15 20:08:42,250 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 35 [2020-10-15 20:08:42,517 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 37 [2020-10-15 20:08:43,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:08:43,616 INFO L93 Difference]: Finished difference Result 3093 states and 5647 transitions. [2020-10-15 20:08:43,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 240 states. [2020-10-15 20:08:43,617 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 96 [2020-10-15 20:08:43,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:08:43,630 INFO L225 Difference]: With dead ends: 3093 [2020-10-15 20:08:43,630 INFO L226 Difference]: Without dead ends: 3093 [2020-10-15 20:08:43,642 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 327 GetRequests, 64 SyntacticMatches, 1 SemanticMatches, 262 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30243 ImplicationChecksByTransitivity, 20.1s TimeCoverageRelationStatistics Valid=6400, Invalid=63032, Unknown=0, NotChecked=0, Total=69432 [2020-10-15 20:08:43,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3093 states. [2020-10-15 20:08:43,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3093 to 2080. [2020-10-15 20:08:43,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2080 states. [2020-10-15 20:08:43,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2080 states to 2080 states and 3768 transitions. [2020-10-15 20:08:43,699 INFO L78 Accepts]: Start accepts. Automaton has 2080 states and 3768 transitions. Word has length 96 [2020-10-15 20:08:43,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:08:43,699 INFO L481 AbstractCegarLoop]: Abstraction has 2080 states and 3768 transitions. [2020-10-15 20:08:43,699 INFO L482 AbstractCegarLoop]: Interpolant automaton has 45 states. [2020-10-15 20:08:43,699 INFO L276 IsEmpty]: Start isEmpty. Operand 2080 states and 3768 transitions. [2020-10-15 20:08:43,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-10-15 20:08:43,705 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:08:43,705 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 7, 7, 7, 7, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 20:08:43,918 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 20:08:43,918 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:08:43,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:08:43,919 INFO L82 PathProgramCache]: Analyzing trace with hash -911399009, now seen corresponding path program 6 times [2020-10-15 20:08:43,920 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:08:43,920 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555315422] [2020-10-15 20:08:43,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:08:43,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:08:44,163 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 0 proven. 361 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:08:44,163 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555315422] [2020-10-15 20:08:44,164 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [545405792] [2020-10-15 20:08:44,164 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 20:09:11,916 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2020-10-15 20:09:11,917 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-15 20:09:12,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 88 conjunts are in the unsatisfiable core [2020-10-15 20:09:12,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 20:09:12,131 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 45 [2020-10-15 20:09:12,132 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-10-15 20:09:12,156 INFO L625 ElimStorePlain]: treesize reduction 25, result has 40.5 percent of original size [2020-10-15 20:09:12,159 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:09:12,159 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:20, output treesize:4 [2020-10-15 20:09:12,189 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-10-15 20:09:12,190 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:09:12,194 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:09:12,195 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:09:12,195 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2020-10-15 20:09:12,221 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 20:09:12,221 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:09:12,227 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:09:12,228 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:09:12,229 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:14 [2020-10-15 20:09:12,266 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 20:09:12,279 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:09:12,279 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 49 [2020-10-15 20:09:12,280 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:09:12,305 INFO L625 ElimStorePlain]: treesize reduction 26, result has 52.7 percent of original size [2020-10-15 20:09:12,307 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:09:12,307 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:41, output treesize:20 [2020-10-15 20:09:12,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 20:09:12,343 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 20:09:12,344 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:09:12,355 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:09:12,357 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:09:12,357 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:35, output treesize:20 [2020-10-15 20:09:12,416 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2020-10-15 20:09:12,417 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:09:12,422 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:09:12,422 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:09:12,422 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:14 [2020-10-15 20:09:12,448 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 20:09:12,448 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:09:12,455 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:09:12,456 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:09:12,457 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:14 [2020-10-15 20:09:12,495 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 20:09:12,509 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:09:12,510 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 49 [2020-10-15 20:09:12,511 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:09:12,539 INFO L625 ElimStorePlain]: treesize reduction 26, result has 52.7 percent of original size [2020-10-15 20:09:12,540 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:09:12,541 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:41, output treesize:20 [2020-10-15 20:09:12,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 20:09:12,578 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 20:09:12,578 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:09:12,589 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:09:12,591 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:09:12,591 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:35, output treesize:20 [2020-10-15 20:09:12,661 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2020-10-15 20:09:12,662 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:09:12,668 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:09:12,668 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:09:12,669 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:38, output treesize:14 [2020-10-15 20:09:12,700 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 20:09:12,701 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:09:12,707 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:09:12,709 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:09:12,709 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:29, output treesize:9 [2020-10-15 20:09:12,765 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 20:09:12,796 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:09:12,796 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 34 treesize of output 99 [2020-10-15 20:09:12,798 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 20:09:12,799 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 20:09:12,800 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:09:12,836 INFO L625 ElimStorePlain]: treesize reduction 110, result has 23.1 percent of original size [2020-10-15 20:09:12,837 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:09:12,837 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:37, output treesize:13 [2020-10-15 20:09:12,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 20:09:12,869 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 20:09:12,870 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:09:12,882 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:09:12,883 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:09:12,883 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:28, output treesize:13 [2020-10-15 20:09:12,888 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2020-10-15 20:09:12,889 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:09:12,892 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:09:12,892 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:09:12,892 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:19, output treesize:1 [2020-10-15 20:09:12,912 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 190 proven. 23 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2020-10-15 20:09:12,912 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 20:09:12,912 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 28 [2020-10-15 20:09:12,913 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989737981] [2020-10-15 20:09:12,913 INFO L461 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-10-15 20:09:12,913 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:09:12,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-10-15 20:09:12,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=585, Unknown=0, NotChecked=0, Total=756 [2020-10-15 20:09:12,914 INFO L87 Difference]: Start difference. First operand 2080 states and 3768 transitions. Second operand 28 states. [2020-10-15 20:09:18,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:09:18,476 INFO L93 Difference]: Finished difference Result 2540 states and 4549 transitions. [2020-10-15 20:09:18,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2020-10-15 20:09:18,477 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 104 [2020-10-15 20:09:18,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:09:18,487 INFO L225 Difference]: With dead ends: 2540 [2020-10-15 20:09:18,487 INFO L226 Difference]: Without dead ends: 2540 [2020-10-15 20:09:18,489 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 89 SyntacticMatches, 2 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6548 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=3577, Invalid=12935, Unknown=0, NotChecked=0, Total=16512 [2020-10-15 20:09:18,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2540 states. [2020-10-15 20:09:18,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2540 to 1457. [2020-10-15 20:09:18,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1457 states. [2020-10-15 20:09:18,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1457 states to 1457 states and 2642 transitions. [2020-10-15 20:09:18,524 INFO L78 Accepts]: Start accepts. Automaton has 1457 states and 2642 transitions. Word has length 104 [2020-10-15 20:09:18,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:09:18,524 INFO L481 AbstractCegarLoop]: Abstraction has 1457 states and 2642 transitions. [2020-10-15 20:09:18,524 INFO L482 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-10-15 20:09:18,524 INFO L276 IsEmpty]: Start isEmpty. Operand 1457 states and 2642 transitions. [2020-10-15 20:09:18,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-10-15 20:09:18,528 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:09:18,528 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 8, 8, 8, 8, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 20:09:18,741 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-10-15 20:09:18,741 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:09:18,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:09:18,742 INFO L82 PathProgramCache]: Analyzing trace with hash -2035390209, now seen corresponding path program 7 times [2020-10-15 20:09:18,742 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:09:18,742 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750648520] [2020-10-15 20:09:18,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:09:18,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:09:18,949 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 0 proven. 438 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:09:18,950 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750648520] [2020-10-15 20:09:18,950 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [463563292] [2020-10-15 20:09:18,950 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 20:09:19,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:09:19,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 584 conjuncts, 14 conjunts are in the unsatisfiable core [2020-10-15 20:09:19,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 20:09:19,115 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 0 proven. 438 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:09:19,116 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 20:09:19,116 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 15 [2020-10-15 20:09:19,116 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219084243] [2020-10-15 20:09:19,117 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-15 20:09:19,117 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:09:19,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-15 20:09:19,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=105, Unknown=0, NotChecked=0, Total=210 [2020-10-15 20:09:19,117 INFO L87 Difference]: Start difference. First operand 1457 states and 2642 transitions. Second operand 15 states. [2020-10-15 20:09:19,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:09:19,237 INFO L93 Difference]: Finished difference Result 1689 states and 3056 transitions. [2020-10-15 20:09:19,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-15 20:09:19,238 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 112 [2020-10-15 20:09:19,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:09:19,247 INFO L225 Difference]: With dead ends: 1689 [2020-10-15 20:09:19,247 INFO L226 Difference]: Without dead ends: 1689 [2020-10-15 20:09:19,247 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=105, Invalid=105, Unknown=0, NotChecked=0, Total=210 [2020-10-15 20:09:19,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1689 states. [2020-10-15 20:09:19,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1689 to 1581. [2020-10-15 20:09:19,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1581 states. [2020-10-15 20:09:19,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1581 states to 1581 states and 2863 transitions. [2020-10-15 20:09:19,276 INFO L78 Accepts]: Start accepts. Automaton has 1581 states and 2863 transitions. Word has length 112 [2020-10-15 20:09:19,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:09:19,276 INFO L481 AbstractCegarLoop]: Abstraction has 1581 states and 2863 transitions. [2020-10-15 20:09:19,276 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-15 20:09:19,277 INFO L276 IsEmpty]: Start isEmpty. Operand 1581 states and 2863 transitions. [2020-10-15 20:09:19,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-15 20:09:19,281 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:09:19,281 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 9, 9, 9, 9, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 20:09:19,494 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2020-10-15 20:09:19,495 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:09:19,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:09:19,495 INFO L82 PathProgramCache]: Analyzing trace with hash -96458919, now seen corresponding path program 8 times [2020-10-15 20:09:19,496 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:09:19,496 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054125390] [2020-10-15 20:09:19,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:09:19,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:09:19,714 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 0 proven. 523 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:09:19,714 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054125390] [2020-10-15 20:09:19,714 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2002846577] [2020-10-15 20:09:19,714 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 20:09:19,920 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-15 20:09:19,920 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-15 20:09:19,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 15 conjunts are in the unsatisfiable core [2020-10-15 20:09:19,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 20:09:19,959 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 0 proven. 523 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:09:19,959 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 20:09:19,959 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 16 [2020-10-15 20:09:19,959 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953046741] [2020-10-15 20:09:19,960 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-15 20:09:19,960 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:09:19,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-15 20:09:19,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2020-10-15 20:09:19,961 INFO L87 Difference]: Start difference. First operand 1581 states and 2863 transitions. Second operand 16 states. [2020-10-15 20:09:20,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:09:20,091 INFO L93 Difference]: Finished difference Result 1813 states and 3277 transitions. [2020-10-15 20:09:20,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-15 20:09:20,091 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 120 [2020-10-15 20:09:20,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:09:20,097 INFO L225 Difference]: With dead ends: 1813 [2020-10-15 20:09:20,097 INFO L226 Difference]: Without dead ends: 1813 [2020-10-15 20:09:20,098 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2020-10-15 20:09:20,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1813 states. [2020-10-15 20:09:20,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1813 to 1705. [2020-10-15 20:09:20,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1705 states. [2020-10-15 20:09:20,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1705 states to 1705 states and 3084 transitions. [2020-10-15 20:09:20,125 INFO L78 Accepts]: Start accepts. Automaton has 1705 states and 3084 transitions. Word has length 120 [2020-10-15 20:09:20,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:09:20,126 INFO L481 AbstractCegarLoop]: Abstraction has 1705 states and 3084 transitions. [2020-10-15 20:09:20,126 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-15 20:09:20,126 INFO L276 IsEmpty]: Start isEmpty. Operand 1705 states and 3084 transitions. [2020-10-15 20:09:20,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-10-15 20:09:20,130 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:09:20,130 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 10, 10, 10, 10, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 20:09:20,344 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2020-10-15 20:09:20,344 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:09:20,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:09:20,345 INFO L82 PathProgramCache]: Analyzing trace with hash -480902945, now seen corresponding path program 9 times [2020-10-15 20:09:20,345 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:09:20,345 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573431944] [2020-10-15 20:09:20,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:09:20,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:09:20,658 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 0 proven. 616 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:09:20,658 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573431944] [2020-10-15 20:09:20,658 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [591550040] [2020-10-15 20:09:20,658 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 20:09:24,483 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2020-10-15 20:09:24,483 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-15 20:09:24,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 101 conjunts are in the unsatisfiable core [2020-10-15 20:09:24,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 20:09:24,519 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 45 [2020-10-15 20:09:24,520 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-10-15 20:09:24,545 INFO L625 ElimStorePlain]: treesize reduction 25, result has 40.5 percent of original size [2020-10-15 20:09:24,547 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:09:24,547 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:20, output treesize:4 [2020-10-15 20:09:24,587 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-10-15 20:09:24,587 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:09:24,594 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:09:24,595 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:09:24,595 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2020-10-15 20:09:24,625 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 20:09:24,626 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:09:24,633 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:09:24,634 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:09:24,635 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:14 [2020-10-15 20:09:24,683 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 20:09:24,698 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:09:24,699 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-10-15 20:09:24,699 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:09:24,730 INFO L625 ElimStorePlain]: treesize reduction 30, result has 53.1 percent of original size [2020-10-15 20:09:24,732 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:09:24,732 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:44, output treesize:20 [2020-10-15 20:09:24,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 20:09:24,766 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 20:09:24,766 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:09:24,777 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:09:24,778 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:09:24,778 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:35, output treesize:20 [2020-10-15 20:09:24,835 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2020-10-15 20:09:24,835 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:09:24,841 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:09:24,841 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:09:24,841 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:14 [2020-10-15 20:09:24,891 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 20:09:24,891 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:09:24,901 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:09:24,902 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:09:24,902 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:14 [2020-10-15 20:09:24,943 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 20:09:24,964 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:09:24,965 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 49 [2020-10-15 20:09:24,966 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:09:24,991 INFO L625 ElimStorePlain]: treesize reduction 26, result has 52.7 percent of original size [2020-10-15 20:09:24,992 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:09:24,993 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:41, output treesize:20 [2020-10-15 20:09:25,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 20:09:25,042 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 20:09:25,042 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:09:25,059 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:09:25,060 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:09:25,061 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:35, output treesize:20 [2020-10-15 20:09:25,144 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2020-10-15 20:09:25,144 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:09:25,149 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:09:25,150 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:09:25,150 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:14 [2020-10-15 20:09:25,185 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 20:09:25,185 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:09:25,193 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:09:25,194 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:09:25,194 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:14 [2020-10-15 20:09:25,236 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 20:09:25,251 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:09:25,251 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 49 [2020-10-15 20:09:25,252 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:09:25,276 INFO L625 ElimStorePlain]: treesize reduction 26, result has 52.7 percent of original size [2020-10-15 20:09:25,277 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:09:25,277 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:41, output treesize:20 [2020-10-15 20:09:25,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 20:09:25,317 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 20:09:25,318 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:09:25,329 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:09:25,330 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:09:25,331 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:35, output treesize:20 [2020-10-15 20:09:25,414 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2020-10-15 20:09:25,414 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:09:25,419 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:09:25,420 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:09:25,420 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:14 [2020-10-15 20:09:25,453 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 20:09:25,454 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:09:25,460 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:09:25,462 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:09:25,462 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:29, output treesize:9 [2020-10-15 20:09:25,525 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 20:09:25,539 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:09:25,540 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 49 [2020-10-15 20:09:25,541 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:09:25,560 INFO L625 ElimStorePlain]: treesize reduction 26, result has 49.0 percent of original size [2020-10-15 20:09:25,561 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:09:25,561 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:37, output treesize:16 [2020-10-15 20:09:25,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 20:09:25,610 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 20:09:25,611 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:09:25,622 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:09:25,623 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:09:25,623 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:31, output treesize:16 [2020-10-15 20:09:25,628 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2020-10-15 20:09:25,629 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:09:25,631 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:09:25,631 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:09:25,632 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:1 [2020-10-15 20:09:25,668 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 273 proven. 89 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2020-10-15 20:09:25,669 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 20:09:25,669 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 19] total 35 [2020-10-15 20:09:25,669 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624959119] [2020-10-15 20:09:25,670 INFO L461 AbstractCegarLoop]: Interpolant automaton has 35 states [2020-10-15 20:09:25,670 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:09:25,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2020-10-15 20:09:25,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=214, Invalid=976, Unknown=0, NotChecked=0, Total=1190 [2020-10-15 20:09:25,672 INFO L87 Difference]: Start difference. First operand 1705 states and 3084 transitions. Second operand 35 states. [2020-10-15 20:09:34,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:09:34,763 INFO L93 Difference]: Finished difference Result 2928 states and 5297 transitions. [2020-10-15 20:09:34,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2020-10-15 20:09:34,764 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 128 [2020-10-15 20:09:34,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:09:34,775 INFO L225 Difference]: With dead ends: 2928 [2020-10-15 20:09:34,775 INFO L226 Difference]: Without dead ends: 2928 [2020-10-15 20:09:34,778 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 108 SyntacticMatches, 3 SemanticMatches, 194 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15736 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=5034, Invalid=33186, Unknown=0, NotChecked=0, Total=38220 [2020-10-15 20:09:34,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2928 states. [2020-10-15 20:09:34,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2928 to 2207. [2020-10-15 20:09:34,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2207 states. [2020-10-15 20:09:34,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2207 states to 2207 states and 3967 transitions. [2020-10-15 20:09:34,818 INFO L78 Accepts]: Start accepts. Automaton has 2207 states and 3967 transitions. Word has length 128 [2020-10-15 20:09:34,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:09:34,819 INFO L481 AbstractCegarLoop]: Abstraction has 2207 states and 3967 transitions. [2020-10-15 20:09:34,819 INFO L482 AbstractCegarLoop]: Interpolant automaton has 35 states. [2020-10-15 20:09:34,819 INFO L276 IsEmpty]: Start isEmpty. Operand 2207 states and 3967 transitions. [2020-10-15 20:09:34,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-15 20:09:34,825 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:09:34,825 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 11, 11, 11, 11, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 20:09:35,038 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 20:09:35,038 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:09:35,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:09:35,039 INFO L82 PathProgramCache]: Analyzing trace with hash 337404249, now seen corresponding path program 10 times [2020-10-15 20:09:35,039 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:09:35,039 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672067992] [2020-10-15 20:09:35,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:09:35,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:09:35,309 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 0 proven. 717 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:09:35,309 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672067992] [2020-10-15 20:09:35,309 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [671590671] [2020-10-15 20:09:35,310 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 20:10:43,005 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-10-15 20:10:43,005 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-15 20:10:44,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 17 conjunts are in the unsatisfiable core [2020-10-15 20:10:44,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 20:10:45,001 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 0 proven. 717 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:10:45,001 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 20:10:45,001 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 18 [2020-10-15 20:10:45,002 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930534834] [2020-10-15 20:10:45,002 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-15 20:10:45,002 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:10:45,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-15 20:10:45,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=153, Unknown=0, NotChecked=0, Total=306 [2020-10-15 20:10:45,003 INFO L87 Difference]: Start difference. First operand 2207 states and 3967 transitions. Second operand 18 states. [2020-10-15 20:10:45,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:10:45,146 INFO L93 Difference]: Finished difference Result 2499 states and 4486 transitions. [2020-10-15 20:10:45,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-15 20:10:45,148 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 136 [2020-10-15 20:10:45,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:10:45,177 INFO L225 Difference]: With dead ends: 2499 [2020-10-15 20:10:45,178 INFO L226 Difference]: Without dead ends: 2499 [2020-10-15 20:10:45,183 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=153, Invalid=153, Unknown=0, NotChecked=0, Total=306 [2020-10-15 20:10:45,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2499 states. [2020-10-15 20:10:45,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2499 to 2363. [2020-10-15 20:10:45,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2363 states. [2020-10-15 20:10:45,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2363 states to 2363 states and 4244 transitions. [2020-10-15 20:10:45,237 INFO L78 Accepts]: Start accepts. Automaton has 2363 states and 4244 transitions. Word has length 136 [2020-10-15 20:10:45,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:10:45,237 INFO L481 AbstractCegarLoop]: Abstraction has 2363 states and 4244 transitions. [2020-10-15 20:10:45,237 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-15 20:10:45,238 INFO L276 IsEmpty]: Start isEmpty. Operand 2363 states and 4244 transitions. [2020-10-15 20:10:45,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-10-15 20:10:45,247 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:10:45,247 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 12, 12, 12, 12, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 20:10:45,447 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 20:10:45,448 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:10:45,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:10:45,449 INFO L82 PathProgramCache]: Analyzing trace with hash -1078863335, now seen corresponding path program 11 times [2020-10-15 20:10:45,449 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:10:45,449 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140539863] [2020-10-15 20:10:45,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:10:45,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:10:45,764 INFO L134 CoverageAnalysis]: Checked inductivity of 826 backedges. 0 proven. 826 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:10:45,765 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140539863] [2020-10-15 20:10:45,765 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1132534334] [2020-10-15 20:10:45,765 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 20:10:48,842 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2020-10-15 20:10:48,842 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-15 20:10:48,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 155 conjunts are in the unsatisfiable core [2020-10-15 20:10:48,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 20:10:48,884 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-10-15 20:10:48,884 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:10:48,887 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:10:48,887 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:10:48,887 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:9 [2020-10-15 20:10:48,929 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:10:48,929 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 62 [2020-10-15 20:10:48,930 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:10:48,963 INFO L625 ElimStorePlain]: treesize reduction 24, result has 62.5 percent of original size [2020-10-15 20:10:48,964 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 20:10:48,967 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-15 20:10:48,967 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:35 [2020-10-15 20:10:49,062 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 20:10:49,093 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:10:49,093 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 54 [2020-10-15 20:10:49,094 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 20:10:49,095 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:10:49,101 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 20:10:49,119 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:10:49,120 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-10-15 20:10:49,120 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 20:10:49,220 INFO L625 ElimStorePlain]: treesize reduction 50, result has 64.8 percent of original size [2020-10-15 20:10:49,223 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-15 20:10:49,223 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:96, output treesize:48 [2020-10-15 20:10:49,282 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 20:10:49,292 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2020-10-15 20:10:49,292 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:10:49,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 20:10:49,304 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 20:10:49,304 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 20:10:49,341 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:10:49,343 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-15 20:10:49,344 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-10-15 20:10:49,413 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 1] term [2020-10-15 20:10:49,413 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 20:10:49,429 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2020-10-15 20:10:49,430 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:10:49,454 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:10:49,459 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2020-10-15 20:10:49,459 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 20:10:49,477 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:10:49,478 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-15 20:10:49,479 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:84, output treesize:35 [2020-10-15 20:10:49,524 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 20:10:49,541 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-10-15 20:10:49,541 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:10:49,580 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:10:49,580 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 50 [2020-10-15 20:10:49,581 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 20:10:49,582 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 20:10:49,637 INFO L625 ElimStorePlain]: treesize reduction 30, result has 62.5 percent of original size [2020-10-15 20:10:49,638 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2020-10-15 20:10:49,638 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:58, output treesize:50 [2020-10-15 20:10:49,729 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 20:10:49,781 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:10:49,781 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 54 [2020-10-15 20:10:49,782 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:10:49,885 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:10:49,886 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 118 [2020-10-15 20:10:49,887 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-10-15 20:10:49,887 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 20:10:49,889 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 20:10:50,133 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 60 [2020-10-15 20:10:50,134 INFO L625 ElimStorePlain]: treesize reduction 122, result has 49.6 percent of original size [2020-10-15 20:10:50,136 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 20:10:50,142 INFO L545 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-10-15 20:10:50,142 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 7 variables, input treesize:90, output treesize:60 [2020-10-15 20:10:50,242 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 20:10:50,250 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 20:10:50,253 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 20:10:50,273 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:10:50,274 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 49 [2020-10-15 20:10:50,275 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2020-10-15 20:10:50,275 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 20:10:50,276 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:10:50,299 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:10:50,299 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 46 [2020-10-15 20:10:50,300 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-10-15 20:10:50,300 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 20:10:50,301 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2020-10-15 20:10:50,402 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2020-10-15 20:10:50,403 INFO L625 ElimStorePlain]: treesize reduction 53, result has 63.4 percent of original size [2020-10-15 20:10:50,404 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-15 20:10:50,405 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:90, output treesize:48 [2020-10-15 20:10:50,470 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 20:10:50,481 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2020-10-15 20:10:50,482 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:10:50,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 20:10:50,496 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 20:10:50,497 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 20:10:50,533 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:10:50,536 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-15 20:10:50,537 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-10-15 20:10:50,693 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 1] term [2020-10-15 20:10:50,693 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 20:10:50,713 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 19 [2020-10-15 20:10:50,713 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:10:50,761 INFO L625 ElimStorePlain]: treesize reduction 13, result has 83.5 percent of original size [2020-10-15 20:10:50,769 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2020-10-15 20:10:50,770 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 20:10:50,785 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:10:50,785 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-15 20:10:50,786 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:98, output treesize:47 [2020-10-15 20:10:50,849 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 20:10:50,885 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:10:50,885 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 62 [2020-10-15 20:10:50,886 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 20:10:50,890 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:10:50,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 20:10:50,901 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2020-10-15 20:10:50,902 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 20:10:50,987 INFO L625 ElimStorePlain]: treesize reduction 24, result has 79.3 percent of original size [2020-10-15 20:10:50,988 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 20:10:50,994 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-10-15 20:10:50,994 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:86, output treesize:70 [2020-10-15 20:10:51,119 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 20:10:51,126 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 20:10:51,130 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 20:10:51,147 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:10:51,147 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 49 [2020-10-15 20:10:51,149 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2020-10-15 20:10:51,149 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 20:10:51,150 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:10:51,171 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:10:51,171 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 46 [2020-10-15 20:10:51,172 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-10-15 20:10:51,172 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 20:10:51,173 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2020-10-15 20:10:51,257 INFO L625 ElimStorePlain]: treesize reduction 53, result has 63.4 percent of original size [2020-10-15 20:10:51,259 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-15 20:10:51,260 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:90, output treesize:48 [2020-10-15 20:10:51,336 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 20:10:51,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 20:10:51,356 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 20:10:51,357 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:10:51,365 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2020-10-15 20:10:51,365 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 20:10:51,401 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:10:51,402 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-15 20:10:51,403 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-10-15 20:10:51,508 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2020-10-15 20:10:51,510 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:10:51,521 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:10:51,521 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:10:51,522 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:34 [2020-10-15 20:10:51,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 20:10:51,586 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 20:10:51,587 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:10:51,602 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:10:51,602 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:10:51,603 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:54, output treesize:34 [2020-10-15 20:10:51,735 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 20:10:51,755 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:10:51,756 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 49 [2020-10-15 20:10:51,757 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:10:51,813 INFO L625 ElimStorePlain]: treesize reduction 26, result has 65.3 percent of original size [2020-10-15 20:10:51,814 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:10:51,815 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:61, output treesize:40 [2020-10-15 20:10:51,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 20:10:51,907 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 20:10:51,908 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:10:51,928 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:10:51,929 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:10:51,930 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:40 [2020-10-15 20:10:52,063 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2020-10-15 20:10:52,064 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:10:52,077 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:10:52,078 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:10:52,078 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:34 [2020-10-15 20:10:52,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 20:10:52,146 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 20:10:52,146 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:10:52,165 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:10:52,166 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:10:52,167 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:54, output treesize:34 [2020-10-15 20:10:52,311 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 20:10:52,325 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:10:52,325 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-10-15 20:10:52,326 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 20:10:52,327 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:10:52,378 INFO L625 ElimStorePlain]: treesize reduction 35, result has 63.2 percent of original size [2020-10-15 20:10:52,379 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:10:52,379 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:64, output treesize:40 [2020-10-15 20:10:52,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 20:10:52,470 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 20:10:52,470 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:10:52,495 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:10:52,496 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:10:52,496 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:40 [2020-10-15 20:10:52,586 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2020-10-15 20:10:52,587 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:10:52,601 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:10:52,601 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:10:52,602 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:34 [2020-10-15 20:10:52,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 20:10:52,672 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 20:10:52,673 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:10:52,689 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:10:52,690 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:10:52,690 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:54, output treesize:34 [2020-10-15 20:10:52,850 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 20:10:52,865 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:10:52,865 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-10-15 20:10:52,866 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 20:10:52,866 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:10:52,917 INFO L625 ElimStorePlain]: treesize reduction 35, result has 63.2 percent of original size [2020-10-15 20:10:52,918 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:10:52,918 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:64, output treesize:40 [2020-10-15 20:10:53,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 20:10:53,012 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 20:10:53,013 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:10:53,033 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:10:53,034 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:10:53,034 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:40 [2020-10-15 20:10:53,211 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2020-10-15 20:10:53,211 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:10:53,226 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:10:53,227 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:10:53,227 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:34 [2020-10-15 20:10:53,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 20:10:53,306 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 20:10:53,307 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:10:53,323 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:10:53,325 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:10:53,325 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:54, output treesize:34 [2020-10-15 20:10:53,502 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 20:10:53,518 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:10:53,519 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-10-15 20:10:53,519 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 20:10:53,521 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:10:53,579 INFO L625 ElimStorePlain]: treesize reduction 35, result has 63.2 percent of original size [2020-10-15 20:10:53,587 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:10:53,588 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:64, output treesize:40 [2020-10-15 20:10:53,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 20:10:53,691 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 20:10:53,691 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:10:53,711 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:10:53,713 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:10:53,713 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:40 [2020-10-15 20:10:53,837 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2020-10-15 20:10:53,837 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:10:53,852 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:10:53,853 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:10:53,853 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:34 [2020-10-15 20:10:53,962 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:10:53,963 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 75 [2020-10-15 20:10:53,963 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 20:10:53,965 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:10:53,997 INFO L625 ElimStorePlain]: treesize reduction 44, result has 49.4 percent of original size [2020-10-15 20:10:54,001 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:10:54,002 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:47, output treesize:9 [2020-10-15 20:10:54,138 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:10:54,139 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 57 [2020-10-15 20:10:54,139 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 20:10:54,140 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:10:54,170 INFO L625 ElimStorePlain]: treesize reduction 35, result has 46.2 percent of original size [2020-10-15 20:10:54,172 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:10:54,172 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:34, output treesize:9 [2020-10-15 20:10:54,234 INFO L350 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2020-10-15 20:10:54,234 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 20:10:54,235 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 20:10:54,241 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 20:10:54,242 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 20:10:54,242 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:9 [2020-10-15 20:10:54,356 INFO L134 CoverageAnalysis]: Checked inductivity of 826 backedges. 593 proven. 119 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2020-10-15 20:10:54,357 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 20:10:54,357 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 43] total 60 [2020-10-15 20:10:54,357 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466139657] [2020-10-15 20:10:54,358 INFO L461 AbstractCegarLoop]: Interpolant automaton has 60 states [2020-10-15 20:10:54,358 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:10:54,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2020-10-15 20:10:54,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=573, Invalid=2967, Unknown=0, NotChecked=0, Total=3540 [2020-10-15 20:10:54,359 INFO L87 Difference]: Start difference. First operand 2363 states and 4244 transitions. Second operand 60 states. [2020-10-15 20:10:55,887 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2020-10-15 20:10:57,034 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 45 [2020-10-15 20:10:57,297 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2020-10-15 20:10:57,465 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 47 [2020-10-15 20:10:57,841 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 52 [2020-10-15 20:11:00,369 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2020-10-15 20:11:00,540 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 46 [2020-10-15 20:11:00,933 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 52 [2020-10-15 20:11:01,576 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 41 [2020-10-15 20:11:02,687 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 44 [2020-10-15 20:11:03,145 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2020-10-15 20:11:03,413 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 57 [2020-10-15 20:11:03,587 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 46 [2020-10-15 20:11:04,178 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 52 [2020-10-15 20:11:06,149 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 45 [2020-10-15 20:11:06,328 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 39 [2020-10-15 20:11:06,658 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-10-15 20:11:07,073 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2020-10-15 20:11:07,250 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 47 [2020-10-15 20:11:07,899 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 53 [2020-10-15 20:11:10,125 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2020-10-15 20:11:10,307 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 45 [2020-10-15 20:11:10,489 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 38 [2020-10-15 20:11:10,724 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-10-15 20:11:11,134 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 39 [2020-10-15 20:11:11,438 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2020-10-15 20:11:11,625 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 47 [2020-10-15 20:11:12,580 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 53 [2020-10-15 20:11:14,348 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 45 [2020-10-15 20:11:14,790 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-10-15 20:11:14,973 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 47 [2020-10-15 20:11:15,715 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 38 [2020-10-15 20:11:16,165 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 53 [2020-10-15 20:11:16,533 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 38 [2020-10-15 20:11:16,715 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 39 [2020-10-15 20:11:17,020 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2020-10-15 20:11:18,393 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2020-10-15 20:11:20,013 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 45 [2020-10-15 20:11:20,474 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2020-10-15 20:11:20,842 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-10-15 20:11:21,041 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 47 [2020-10-15 20:11:21,626 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 36 [2020-10-15 20:11:22,079 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 53 [2020-10-15 20:11:22,402 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 38 [2020-10-15 20:11:22,594 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 38 [2020-10-15 20:11:22,802 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 39 [2020-10-15 20:11:23,899 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 42 [2020-10-15 20:11:26,178 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2020-10-15 20:11:26,432 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 45 [2020-10-15 20:11:26,620 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 36 [2020-10-15 20:11:27,205 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-10-15 20:11:27,585 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2020-10-15 20:11:27,798 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 47 [2020-10-15 20:11:28,579 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 47 [2020-10-15 20:11:29,342 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 53 [2020-10-15 20:11:29,532 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 36 [2020-10-15 20:11:29,736 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 38 [2020-10-15 20:11:29,947 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 38 [2020-10-15 20:11:30,162 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 39 [2020-10-15 20:11:31,025 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 42 [2020-10-15 20:11:31,208 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 34 [2020-10-15 20:11:33,492 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2020-10-15 20:11:33,726 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 45 [2020-10-15 20:11:34,321 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 39 [2020-10-15 20:11:34,626 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-10-15 20:11:35,045 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2020-10-15 20:11:35,281 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 47 [2020-10-15 20:11:35,462 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 36 [2020-10-15 20:11:36,700 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 53 [2020-10-15 20:11:37,042 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 47 [2020-10-15 20:11:37,237 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 36 [2020-10-15 20:11:37,456 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 38 [2020-10-15 20:11:37,679 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 38 [2020-10-15 20:11:38,499 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2020-10-15 20:11:38,708 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 42 [2020-10-15 20:11:38,912 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 34 [2020-10-15 20:11:41,386 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2020-10-15 20:11:41,667 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 45 [2020-10-15 20:11:41,900 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 39 [2020-10-15 20:11:42,400 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-10-15 20:11:42,619 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 38 [2020-10-15 20:11:43,199 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2020-10-15 20:11:43,425 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 47 [2020-10-15 20:11:43,617 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 36 [2020-10-15 20:11:44,616 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 42 [2020-10-15 20:11:45,133 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 53 [2020-10-15 20:11:45,520 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 47 [2020-10-15 20:11:45,732 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 36 [2020-10-15 20:11:45,967 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 38 [2020-10-15 20:11:46,631 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 46 [2020-10-15 20:11:46,986 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2020-10-15 20:11:47,201 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 34 [2020-10-15 20:11:47,560 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2020-10-15 20:11:48,823 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 45 [2020-10-15 20:11:49,502 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 34 [2020-10-15 20:11:49,849 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-10-15 20:11:50,101 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 47 [2020-10-15 20:11:50,525 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2020-10-15 20:11:50,786 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 38 [2020-10-15 20:11:51,041 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 39 [2020-10-15 20:11:51,752 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 38 [2020-10-15 20:11:52,078 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 53 [2020-10-15 20:11:52,598 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2020-10-15 20:11:52,806 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 36 [2020-10-15 20:11:53,857 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2020-10-15 20:11:54,329 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 42 [2020-10-15 20:11:54,744 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 47 [2020-10-15 20:11:54,980 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 36 [2020-10-15 20:11:55,861 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2020-10-15 20:11:56,084 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 46 [2020-10-15 20:11:56,325 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 34 [2020-10-15 20:11:57,578 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2020-10-15 20:11:58,072 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 45 [2020-10-15 20:11:59,220 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2020-10-15 20:11:59,794 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-10-15 20:12:00,079 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 47 [2020-10-15 20:12:00,454 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 38 [2020-10-15 20:12:00,729 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 38 [2020-10-15 20:12:01,012 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 39 [2020-10-15 20:12:01,258 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 36 [2020-10-15 20:12:01,905 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 53 [2020-10-15 20:12:02,509 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 36 [2020-10-15 20:12:03,152 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 34 [2020-10-15 20:12:03,894 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2020-10-15 20:12:04,156 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 42 [2020-10-15 20:12:04,712 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 47 [2020-10-15 20:12:05,590 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2020-10-15 20:12:05,824 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 46 [2020-10-15 20:12:07,021 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 41 [2020-10-15 20:12:07,458 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2020-10-15 20:12:07,767 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 45 [2020-10-15 20:12:07,965 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 35 [2020-10-15 20:12:08,502 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 36 [2020-10-15 20:12:09,366 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-10-15 20:12:09,711 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2020-10-15 20:12:09,989 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2020-10-15 20:12:10,300 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 47 [2020-10-15 20:12:10,723 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 36 [2020-10-15 20:12:11,018 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 38 [2020-10-15 20:12:11,313 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 38 [2020-10-15 20:12:11,814 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 47 [2020-10-15 20:12:12,948 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 53 [2020-10-15 20:12:13,274 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 39 [2020-10-15 20:12:13,532 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 34 [2020-10-15 20:12:14,623 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2020-10-15 20:12:14,922 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 42 [2020-10-15 20:12:15,812 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2020-10-15 20:12:16,054 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 46 [2020-10-15 20:12:16,688 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2020-10-15 20:12:17,421 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 41 [2020-10-15 20:12:17,955 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2020-10-15 20:12:18,294 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 45 [2020-10-15 20:12:18,544 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 36 [2020-10-15 20:12:19,359 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 34 [2020-10-15 20:12:19,675 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 39 [2020-10-15 20:12:20,143 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-10-15 20:12:20,530 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2020-10-15 20:12:20,818 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2020-10-15 20:12:21,152 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 47 [2020-10-15 20:12:21,877 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 47 [2020-10-15 20:12:22,166 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 36 [2020-10-15 20:12:22,486 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 38 [2020-10-15 20:12:23,811 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 53 [2020-10-15 20:12:24,141 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 38 [2020-10-15 20:12:24,417 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 34 [2020-10-15 20:12:25,620 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2020-10-15 20:12:25,928 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 42 [2020-10-15 20:12:26,235 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 35 [2020-10-15 20:12:26,738 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2020-10-15 20:12:27,003 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 46 [2020-10-15 20:12:27,677 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2020-10-15 20:12:28,377 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 41 [2020-10-15 20:12:29,490 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2020-10-15 20:12:29,863 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 45 [2020-10-15 20:12:30,128 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 34 [2020-10-15 20:12:30,398 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 36 [2020-10-15 20:12:31,118 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-10-15 20:12:31,460 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 39 [2020-10-15 20:12:31,800 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 38 [2020-10-15 20:12:32,244 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 39 [2020-10-15 20:12:32,558 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2020-10-15 20:12:32,926 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 47 [2020-10-15 20:12:33,809 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 47 [2020-10-15 20:12:34,115 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 36 [2020-10-15 20:12:34,720 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 40 [2020-10-15 20:12:35,177 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 53 [2020-10-15 20:12:35,518 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 38 [2020-10-15 20:12:35,879 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 32 [2020-10-15 20:12:36,598 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 44 [2020-10-15 20:12:36,943 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 48 [2020-10-15 20:12:37,203 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 33 [2020-10-15 20:12:37,564 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2020-10-15 20:12:38,229 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2020-10-15 20:12:38,526 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 39 [2020-10-15 20:12:38,903 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 43 [2020-10-15 20:12:39,370 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 33 [2020-10-15 20:12:40,051 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2020-10-15 20:12:40,437 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 45 [2020-10-15 20:12:40,985 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 54 [2020-10-15 20:12:41,430 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-10-15 20:12:41,703 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 32 [2020-10-15 20:12:41,985 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 34 [2020-10-15 20:12:42,353 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 37 [2020-10-15 20:12:42,720 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 36 [2020-10-15 20:12:43,096 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 36 [2020-10-15 20:12:43,649 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 51 [2020-10-15 20:12:44,043 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2020-10-15 20:12:45,152 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 45 [2020-10-15 20:12:45,811 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 34 [2020-10-15 20:12:48,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:12:48,346 INFO L93 Difference]: Finished difference Result 7819 states and 13774 transitions. [2020-10-15 20:12:48,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 626 states. [2020-10-15 20:12:48,348 INFO L78 Accepts]: Start accepts. Automaton has 60 states. Word has length 144 [2020-10-15 20:12:48,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:12:48,362 INFO L225 Difference]: With dead ends: 7819 [2020-10-15 20:12:48,362 INFO L226 Difference]: Without dead ends: 7819 [2020-10-15 20:12:48,377 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1318 GetRequests, 649 SyntacticMatches, 2 SemanticMatches, 667 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221418 ImplicationChecksByTransitivity, 102.4s TimeCoverageRelationStatistics Valid=49425, Invalid=397467, Unknown=0, NotChecked=0, Total=446892 [2020-10-15 20:12:48,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7819 states. [2020-10-15 20:12:48,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7819 to 4640. [2020-10-15 20:12:48,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4640 states. [2020-10-15 20:12:48,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4640 states to 4640 states and 8161 transitions. [2020-10-15 20:12:48,454 INFO L78 Accepts]: Start accepts. Automaton has 4640 states and 8161 transitions. Word has length 144 [2020-10-15 20:12:48,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:12:48,454 INFO L481 AbstractCegarLoop]: Abstraction has 4640 states and 8161 transitions. [2020-10-15 20:12:48,454 INFO L482 AbstractCegarLoop]: Interpolant automaton has 60 states. [2020-10-15 20:12:48,454 INFO L276 IsEmpty]: Start isEmpty. Operand 4640 states and 8161 transitions. [2020-10-15 20:12:48,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-10-15 20:12:48,466 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:12:48,466 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 13, 13, 13, 13, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 20:12:48,679 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 20:12:48,679 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:12:48,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:12:48,680 INFO L82 PathProgramCache]: Analyzing trace with hash -767645153, now seen corresponding path program 12 times [2020-10-15 20:12:48,680 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:12:48,680 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198773535] [2020-10-15 20:12:48,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:12:48,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:12:49,211 INFO L134 CoverageAnalysis]: Checked inductivity of 943 backedges. 0 proven. 943 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:12:49,211 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198773535] [2020-10-15 20:12:49,211 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1011244629] [2020-10-15 20:12:49,211 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown