/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread/queue_ok_longest.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-bf4350c [2020-09-16 13:53:55,364 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-16 13:53:55,369 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-16 13:53:55,415 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-16 13:53:55,416 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-16 13:53:55,427 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-16 13:53:55,429 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-16 13:53:55,433 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-16 13:53:55,436 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-16 13:53:55,440 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-16 13:53:55,441 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-16 13:53:55,443 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-16 13:53:55,443 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-16 13:53:55,446 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-16 13:53:55,449 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-16 13:53:55,451 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-16 13:53:55,452 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-16 13:53:55,454 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-16 13:53:55,455 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-16 13:53:55,463 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-16 13:53:55,465 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-16 13:53:55,466 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-16 13:53:55,467 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-16 13:53:55,468 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-16 13:53:55,472 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-16 13:53:55,472 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-16 13:53:55,472 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-16 13:53:55,475 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-16 13:53:55,476 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-16 13:53:55,477 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-16 13:53:55,478 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-16 13:53:55,478 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-16 13:53:55,479 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-16 13:53:55,480 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-16 13:53:55,482 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-16 13:53:55,482 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-16 13:53:55,482 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-16 13:53:55,483 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-16 13:53:55,483 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-16 13:53:55,484 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-16 13:53:55,486 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-16 13:53:55,486 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-16 13:53:55,534 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-16 13:53:55,535 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-16 13:53:55,537 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-16 13:53:55,537 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-16 13:53:55,537 INFO L138 SettingsManager]: * Use SBE=true [2020-09-16 13:53:55,537 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-16 13:53:55,538 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-16 13:53:55,538 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-16 13:53:55,538 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-16 13:53:55,538 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-16 13:53:55,539 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-16 13:53:55,539 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-16 13:53:55,540 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-16 13:53:55,540 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-16 13:53:55,540 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-16 13:53:55,540 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-16 13:53:55,541 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-16 13:53:55,541 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-16 13:53:55,541 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-16 13:53:55,541 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-16 13:53:55,541 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-16 13:53:55,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-16 13:53:55,542 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-16 13:53:55,542 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-16 13:53:55,542 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-16 13:53:55,543 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-16 13:53:55,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-16 13:53:55,543 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-16 13:53:55,543 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-16 13:53:55,543 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-16 13:53:55,974 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-16 13:53:55,995 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-16 13:53:56,001 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-16 13:53:56,003 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-16 13:53:56,003 INFO L275 PluginConnector]: CDTParser initialized [2020-09-16 13:53:56,004 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue_ok_longest.i [2020-09-16 13:53:56,092 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/782b7bbbf/abe3e7e3e3034ffe8094023018fde214/FLAG802b97a72 [2020-09-16 13:53:56,730 INFO L306 CDTParser]: Found 1 translation units. [2020-09-16 13:53:56,731 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_ok_longest.i [2020-09-16 13:53:56,752 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/782b7bbbf/abe3e7e3e3034ffe8094023018fde214/FLAG802b97a72 [2020-09-16 13:53:56,972 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/782b7bbbf/abe3e7e3e3034ffe8094023018fde214 [2020-09-16 13:53:56,988 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-16 13:53:56,994 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-09-16 13:53:56,998 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-16 13:53:56,998 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-16 13:53:57,003 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-16 13:53:57,004 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 01:53:56" (1/1) ... [2020-09-16 13:53:57,009 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18889448 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 01:53:57, skipping insertion in model container [2020-09-16 13:53:57,009 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 01:53:56" (1/1) ... [2020-09-16 13:53:57,019 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-16 13:53:57,097 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-16 13:53:57,797 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-16 13:53:57,817 INFO L203 MainTranslator]: Completed pre-run [2020-09-16 13:53:57,905 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-16 13:53:58,070 INFO L208 MainTranslator]: Completed translation [2020-09-16 13:53:58,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 01:53:58 WrapperNode [2020-09-16 13:53:58,072 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-16 13:53:58,074 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-09-16 13:53:58,074 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-09-16 13:53:58,074 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-09-16 13:53:58,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 01:53:58" (1/1) ... [2020-09-16 13:53:58,121 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 01:53:58" (1/1) ... [2020-09-16 13:53:58,155 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-09-16 13:53:58,155 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-16 13:53:58,156 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-16 13:53:58,156 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-16 13:53:58,167 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 01:53:58" (1/1) ... [2020-09-16 13:53:58,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 01:53:58" (1/1) ... [2020-09-16 13:53:58,172 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 01:53:58" (1/1) ... [2020-09-16 13:53:58,173 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 01:53:58" (1/1) ... [2020-09-16 13:53:58,186 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 01:53:58" (1/1) ... [2020-09-16 13:53:58,193 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 01:53:58" (1/1) ... [2020-09-16 13:53:58,196 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 01:53:58" (1/1) ... [2020-09-16 13:53:58,200 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-16 13:53:58,201 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-16 13:53:58,201 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-16 13:53:58,201 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-16 13:53:58,203 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 01:53:58" (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 [2020-09-16 13:53:58,289 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-09-16 13:53:58,289 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-09-16 13:53:58,290 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-09-16 13:53:58,290 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-09-16 13:53:58,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-16 13:53:58,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-16 13:53:58,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-16 13:53:58,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-16 13:53:58,291 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-09-16 13:53:58,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-16 13:53:58,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-16 13:53:58,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-16 13:53:58,294 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-09-16 13:53:58,907 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-16 13:53:58,908 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-09-16 13:53:58,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 01:53:58 BoogieIcfgContainer [2020-09-16 13:53:58,912 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-16 13:53:58,914 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-16 13:53:58,914 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-16 13:53:58,918 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-16 13:53:58,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 01:53:56" (1/3) ... [2020-09-16 13:53:58,919 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9427b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 01:53:58, skipping insertion in model container [2020-09-16 13:53:58,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 01:53:58" (2/3) ... [2020-09-16 13:53:58,919 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9427b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 01:53:58, skipping insertion in model container [2020-09-16 13:53:58,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 01:53:58" (3/3) ... [2020-09-16 13:53:58,922 INFO L109 eAbstractionObserver]: Analyzing ICFG queue_ok_longest.i [2020-09-16 13:53:58,933 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-09-16 13:53:58,934 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-16 13:53:58,944 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-09-16 13:53:58,945 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-16 13:53:58,994 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,994 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,995 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,995 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,995 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,996 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,996 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,996 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,997 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,997 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,997 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,997 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,997 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,998 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,998 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,998 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,998 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,999 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,999 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,999 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,999 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:58,999 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,000 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,000 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,000 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,000 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,000 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,001 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,001 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,001 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,001 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,001 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,002 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,002 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,002 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,002 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,002 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,003 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,003 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,003 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,003 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,003 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,004 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,004 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,004 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,004 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,005 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,005 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,005 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,005 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,005 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,006 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,006 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,006 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,006 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,006 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,007 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,007 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,007 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,007 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,007 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,008 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,008 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,008 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,008 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,009 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,009 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,009 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,009 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,009 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,010 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,010 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,010 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,010 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,010 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,011 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,011 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,011 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,011 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,011 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,012 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,012 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,012 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,012 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,013 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,013 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,014 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,015 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,015 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,015 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,015 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,015 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,016 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,016 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,016 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,016 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,017 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,017 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,017 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,017 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,018 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,018 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,018 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,018 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,019 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,019 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,019 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,019 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,019 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,020 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,020 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,020 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,020 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,020 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,021 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,021 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,021 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,021 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,021 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,022 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,022 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,022 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,022 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,022 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,023 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,023 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,023 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,023 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,023 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,024 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,024 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,024 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,024 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,025 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,025 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,025 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,025 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,025 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,026 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,026 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,026 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,026 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,026 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,027 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,027 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,027 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,027 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,027 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,027 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,028 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,028 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,028 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,028 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,028 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,029 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,029 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,029 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,029 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,029 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,029 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,030 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,030 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,030 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,030 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,030 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,031 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,031 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,031 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,031 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,031 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,032 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,032 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,032 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,032 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,032 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,033 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,033 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,033 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,033 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,033 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,034 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,034 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,034 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,034 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,034 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,035 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,035 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,035 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,035 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,035 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,036 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,036 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,036 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,036 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,036 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,037 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,037 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,037 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,037 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,037 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,038 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,038 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,038 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,038 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,038 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,039 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,039 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,039 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,039 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,039 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,040 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,040 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,045 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,045 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,045 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,045 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,046 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,046 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,046 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,046 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,046 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,047 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,047 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,047 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,047 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,047 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,048 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,048 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,048 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,048 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,048 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,049 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,049 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,049 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,049 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,056 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,056 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,057 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,057 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,057 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,057 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,057 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,057 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,058 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,058 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,058 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,058 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,058 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,058 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,058 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,059 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,059 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,059 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,059 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,059 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,060 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,060 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,060 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,060 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,060 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,061 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,061 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,061 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,061 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,062 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,062 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-16 13:53:59,090 INFO L251 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-09-16 13:53:59,115 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-16 13:53:59,115 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-16 13:53:59,115 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-16 13:53:59,115 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-16 13:53:59,115 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-16 13:53:59,115 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-16 13:53:59,115 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-16 13:53:59,116 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-16 13:53:59,137 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 196 places, 204 transitions, 430 flow [2020-09-16 13:53:59,139 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 196 places, 204 transitions, 430 flow [2020-09-16 13:53:59,225 INFO L129 PetriNetUnfolder]: 14/204 cut-off events. [2020-09-16 13:53:59,226 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-09-16 13:53:59,235 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. [2020-09-16 13:53:59,244 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 196 places, 204 transitions, 430 flow [2020-09-16 13:53:59,320 INFO L129 PetriNetUnfolder]: 14/204 cut-off events. [2020-09-16 13:53:59,320 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-09-16 13:53:59,325 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. [2020-09-16 13:53:59,334 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 9440 [2020-09-16 13:53:59,335 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-09-16 13:54:02,749 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2020-09-16 13:54:03,677 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-09-16 13:54:03,834 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-09-16 13:54:04,603 WARN L193 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 122 [2020-09-16 13:54:04,867 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-09-16 13:54:05,810 WARN L193 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 147 [2020-09-16 13:54:06,233 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-09-16 13:54:06,258 INFO L206 etLargeBlockEncoding]: Checked pairs total: 17748 [2020-09-16 13:54:06,258 INFO L214 etLargeBlockEncoding]: Total number of compositions: 178 [2020-09-16 13:54:06,263 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 53 places, 55 transitions, 132 flow [2020-09-16 13:54:06,304 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 716 states. [2020-09-16 13:54:06,307 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states. [2020-09-16 13:54:06,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2020-09-16 13:54:06,314 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 13:54:06,315 INFO L422 BasicCegarLoop]: trace histogram [1] [2020-09-16 13:54:06,316 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-16 13:54:06,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 13:54:06,324 INFO L82 PathProgramCache]: Analyzing trace with hash 810, now seen corresponding path program 1 times [2020-09-16 13:54:06,336 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 13:54:06,337 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121473043] [2020-09-16 13:54:06,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 13:54:06,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 13:54:06,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:54:06,475 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121473043] [2020-09-16 13:54:06,476 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-16 13:54:06,477 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2020-09-16 13:54:06,478 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371704771] [2020-09-16 13:54:06,483 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-09-16 13:54:06,483 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 13:54:06,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-09-16 13:54:06,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-09-16 13:54:06,505 INFO L87 Difference]: Start difference. First operand 716 states. Second operand 2 states. [2020-09-16 13:54:06,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 13:54:06,557 INFO L93 Difference]: Finished difference Result 715 states and 1901 transitions. [2020-09-16 13:54:06,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-09-16 13:54:06,559 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1 [2020-09-16 13:54:06,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 13:54:06,584 INFO L225 Difference]: With dead ends: 715 [2020-09-16 13:54:06,584 INFO L226 Difference]: Without dead ends: 524 [2020-09-16 13:54:06,586 INFO L675 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 [2020-09-16 13:54:06,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2020-09-16 13:54:06,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 524. [2020-09-16 13:54:06,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 524 states. [2020-09-16 13:54:06,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 1400 transitions. [2020-09-16 13:54:06,675 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 1400 transitions. Word has length 1 [2020-09-16 13:54:06,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 13:54:06,675 INFO L479 AbstractCegarLoop]: Abstraction has 524 states and 1400 transitions. [2020-09-16 13:54:06,675 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-09-16 13:54:06,675 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 1400 transitions. [2020-09-16 13:54:06,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-09-16 13:54:06,680 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 13:54:06,680 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-16 13:54:06,680 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-16 13:54:06,681 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-16 13:54:06,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 13:54:06,681 INFO L82 PathProgramCache]: Analyzing trace with hash 1385599744, now seen corresponding path program 1 times [2020-09-16 13:54:06,681 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 13:54:06,682 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235567658] [2020-09-16 13:54:06,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 13:54:06,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 13:54:06,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:54:06,881 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235567658] [2020-09-16 13:54:06,881 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-16 13:54:06,881 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-16 13:54:06,881 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516848836] [2020-09-16 13:54:06,883 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-16 13:54:06,883 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 13:54:06,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-16 13:54:06,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-16 13:54:06,909 INFO L87 Difference]: Start difference. First operand 524 states and 1400 transitions. Second operand 3 states. [2020-09-16 13:54:06,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 13:54:06,928 INFO L93 Difference]: Finished difference Result 236 states and 509 transitions. [2020-09-16 13:54:06,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-16 13:54:06,929 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2020-09-16 13:54:06,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 13:54:06,931 INFO L225 Difference]: With dead ends: 236 [2020-09-16 13:54:06,931 INFO L226 Difference]: Without dead ends: 212 [2020-09-16 13:54:06,932 INFO L675 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 [2020-09-16 13:54:06,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2020-09-16 13:54:06,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2020-09-16 13:54:06,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2020-09-16 13:54:06,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 464 transitions. [2020-09-16 13:54:06,945 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 464 transitions. Word has length 15 [2020-09-16 13:54:06,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 13:54:06,946 INFO L479 AbstractCegarLoop]: Abstraction has 212 states and 464 transitions. [2020-09-16 13:54:06,946 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-16 13:54:06,946 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 464 transitions. [2020-09-16 13:54:06,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-09-16 13:54:06,948 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 13:54:06,948 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-16 13:54:06,949 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-16 13:54:06,949 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-16 13:54:06,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 13:54:06,949 INFO L82 PathProgramCache]: Analyzing trace with hash 1061498615, now seen corresponding path program 1 times [2020-09-16 13:54:06,950 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 13:54:06,950 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543527594] [2020-09-16 13:54:06,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 13:54:06,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 13:54:07,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:54:07,075 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543527594] [2020-09-16 13:54:07,076 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-16 13:54:07,076 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-16 13:54:07,076 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108519320] [2020-09-16 13:54:07,076 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-16 13:54:07,079 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 13:54:07,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-16 13:54:07,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-16 13:54:07,079 INFO L87 Difference]: Start difference. First operand 212 states and 464 transitions. Second operand 3 states. [2020-09-16 13:54:07,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 13:54:07,104 INFO L93 Difference]: Finished difference Result 272 states and 590 transitions. [2020-09-16 13:54:07,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-16 13:54:07,107 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-09-16 13:54:07,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 13:54:07,110 INFO L225 Difference]: With dead ends: 272 [2020-09-16 13:54:07,110 INFO L226 Difference]: Without dead ends: 272 [2020-09-16 13:54:07,110 INFO L675 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 [2020-09-16 13:54:07,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2020-09-16 13:54:07,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 218. [2020-09-16 13:54:07,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2020-09-16 13:54:07,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 476 transitions. [2020-09-16 13:54:07,125 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 476 transitions. Word has length 19 [2020-09-16 13:54:07,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 13:54:07,125 INFO L479 AbstractCegarLoop]: Abstraction has 218 states and 476 transitions. [2020-09-16 13:54:07,125 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-16 13:54:07,125 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 476 transitions. [2020-09-16 13:54:07,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-16 13:54:07,127 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 13:54:07,128 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] [2020-09-16 13:54:07,128 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-16 13:54:07,128 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-16 13:54:07,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 13:54:07,129 INFO L82 PathProgramCache]: Analyzing trace with hash -1197878433, now seen corresponding path program 1 times [2020-09-16 13:54:07,129 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 13:54:07,129 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328872234] [2020-09-16 13:54:07,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 13:54:07,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 13:54:07,229 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:54:07,229 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328872234] [2020-09-16 13:54:07,229 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-16 13:54:07,230 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-16 13:54:07,230 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625704654] [2020-09-16 13:54:07,231 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-16 13:54:07,231 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 13:54:07,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-16 13:54:07,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-16 13:54:07,232 INFO L87 Difference]: Start difference. First operand 218 states and 476 transitions. Second operand 3 states. [2020-09-16 13:54:07,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 13:54:07,253 INFO L93 Difference]: Finished difference Result 166 states and 334 transitions. [2020-09-16 13:54:07,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-16 13:54:07,254 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-09-16 13:54:07,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 13:54:07,255 INFO L225 Difference]: With dead ends: 166 [2020-09-16 13:54:07,255 INFO L226 Difference]: Without dead ends: 164 [2020-09-16 13:54:07,256 INFO L675 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 [2020-09-16 13:54:07,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2020-09-16 13:54:07,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2020-09-16 13:54:07,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2020-09-16 13:54:07,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 331 transitions. [2020-09-16 13:54:07,263 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 331 transitions. Word has length 26 [2020-09-16 13:54:07,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 13:54:07,264 INFO L479 AbstractCegarLoop]: Abstraction has 164 states and 331 transitions. [2020-09-16 13:54:07,264 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-16 13:54:07,264 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 331 transitions. [2020-09-16 13:54:07,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-09-16 13:54:07,266 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 13:54:07,266 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] [2020-09-16 13:54:07,266 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-16 13:54:07,266 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-16 13:54:07,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 13:54:07,267 INFO L82 PathProgramCache]: Analyzing trace with hash -969107883, now seen corresponding path program 1 times [2020-09-16 13:54:07,267 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 13:54:07,267 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306642317] [2020-09-16 13:54:07,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 13:54:07,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 13:54:07,393 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:54:07,393 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306642317] [2020-09-16 13:54:07,393 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [87354218] [2020-09-16 13:54:07,394 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 [2020-09-16 13:54:07,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 13:54:07,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 3 conjunts are in the unsatisfiable core [2020-09-16 13:54:07,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-16 13:54:07,545 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:54:07,546 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-16 13:54:07,546 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-09-16 13:54:07,546 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589122745] [2020-09-16 13:54:07,546 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-16 13:54:07,547 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 13:54:07,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-16 13:54:07,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-09-16 13:54:07,547 INFO L87 Difference]: Start difference. First operand 164 states and 331 transitions. Second operand 5 states. [2020-09-16 13:54:07,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 13:54:07,577 INFO L93 Difference]: Finished difference Result 240 states and 472 transitions. [2020-09-16 13:54:07,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-16 13:54:07,578 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-09-16 13:54:07,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 13:54:07,580 INFO L225 Difference]: With dead ends: 240 [2020-09-16 13:54:07,580 INFO L226 Difference]: Without dead ends: 240 [2020-09-16 13:54:07,581 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-09-16 13:54:07,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-09-16 13:54:07,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 204. [2020-09-16 13:54:07,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2020-09-16 13:54:07,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 405 transitions. [2020-09-16 13:54:07,589 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 405 transitions. Word has length 27 [2020-09-16 13:54:07,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 13:54:07,589 INFO L479 AbstractCegarLoop]: Abstraction has 204 states and 405 transitions. [2020-09-16 13:54:07,589 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-16 13:54:07,590 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 405 transitions. [2020-09-16 13:54:07,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-09-16 13:54:07,592 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 13:54:07,592 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] [2020-09-16 13:54:07,806 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-16 13:54:07,807 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-16 13:54:07,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 13:54:07,808 INFO L82 PathProgramCache]: Analyzing trace with hash 1561383711, now seen corresponding path program 2 times [2020-09-16 13:54:07,808 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 13:54:07,809 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921464892] [2020-09-16 13:54:07,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 13:54:07,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 13:54:07,906 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:54:07,906 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921464892] [2020-09-16 13:54:07,906 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [822732134] [2020-09-16 13:54:07,907 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 [2020-09-16 13:54:08,095 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-09-16 13:54:08,096 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-16 13:54:08,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 4 conjunts are in the unsatisfiable core [2020-09-16 13:54:08,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-16 13:54:08,123 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:54:08,123 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-16 13:54:08,123 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-09-16 13:54:08,124 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498544746] [2020-09-16 13:54:08,124 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-16 13:54:08,124 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 13:54:08,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-16 13:54:08,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-09-16 13:54:08,125 INFO L87 Difference]: Start difference. First operand 204 states and 405 transitions. Second operand 6 states. [2020-09-16 13:54:08,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 13:54:08,162 INFO L93 Difference]: Finished difference Result 280 states and 546 transitions. [2020-09-16 13:54:08,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-16 13:54:08,163 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2020-09-16 13:54:08,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 13:54:08,165 INFO L225 Difference]: With dead ends: 280 [2020-09-16 13:54:08,165 INFO L226 Difference]: Without dead ends: 280 [2020-09-16 13:54:08,165 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-09-16 13:54:08,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2020-09-16 13:54:08,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 244. [2020-09-16 13:54:08,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2020-09-16 13:54:08,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 479 transitions. [2020-09-16 13:54:08,173 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 479 transitions. Word has length 34 [2020-09-16 13:54:08,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 13:54:08,174 INFO L479 AbstractCegarLoop]: Abstraction has 244 states and 479 transitions. [2020-09-16 13:54:08,174 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-16 13:54:08,174 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 479 transitions. [2020-09-16 13:54:08,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-09-16 13:54:08,176 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 13:54:08,176 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] [2020-09-16 13:54:08,391 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-16 13:54:08,392 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-16 13:54:08,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 13:54:08,393 INFO L82 PathProgramCache]: Analyzing trace with hash -303137003, now seen corresponding path program 3 times [2020-09-16 13:54:08,393 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 13:54:08,394 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117227211] [2020-09-16 13:54:08,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 13:54:08,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 13:54:08,509 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:54:08,510 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117227211] [2020-09-16 13:54:08,510 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [284887549] [2020-09-16 13:54:08,510 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 [2020-09-16 13:54:08,891 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2020-09-16 13:54:08,891 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-16 13:54:08,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 5 conjunts are in the unsatisfiable core [2020-09-16 13:54:08,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-16 13:54:08,928 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:54:08,930 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-16 13:54:08,930 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2020-09-16 13:54:08,930 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681484780] [2020-09-16 13:54:08,931 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-16 13:54:08,931 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 13:54:08,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-16 13:54:08,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-09-16 13:54:08,932 INFO L87 Difference]: Start difference. First operand 244 states and 479 transitions. Second operand 7 states. [2020-09-16 13:54:08,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 13:54:08,985 INFO L93 Difference]: Finished difference Result 320 states and 620 transitions. [2020-09-16 13:54:08,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-16 13:54:08,985 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 41 [2020-09-16 13:54:08,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 13:54:08,988 INFO L225 Difference]: With dead ends: 320 [2020-09-16 13:54:08,988 INFO L226 Difference]: Without dead ends: 320 [2020-09-16 13:54:08,988 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-09-16 13:54:08,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2020-09-16 13:54:09,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 284. [2020-09-16 13:54:09,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 284 states. [2020-09-16 13:54:09,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 553 transitions. [2020-09-16 13:54:09,002 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 553 transitions. Word has length 41 [2020-09-16 13:54:09,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 13:54:09,003 INFO L479 AbstractCegarLoop]: Abstraction has 284 states and 553 transitions. [2020-09-16 13:54:09,003 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-16 13:54:09,003 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 553 transitions. [2020-09-16 13:54:09,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-09-16 13:54:09,007 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 13:54:09,007 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] [2020-09-16 13:54:09,221 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-16 13:54:09,222 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-16 13:54:09,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 13:54:09,223 INFO L82 PathProgramCache]: Analyzing trace with hash 1439404639, now seen corresponding path program 4 times [2020-09-16 13:54:09,224 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 13:54:09,224 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877625667] [2020-09-16 13:54:09,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 13:54:09,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 13:54:09,399 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:54:09,400 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877625667] [2020-09-16 13:54:09,400 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1543841386] [2020-09-16 13:54:09,401 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 [2020-09-16 13:54:09,721 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-09-16 13:54:09,722 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-16 13:54:09,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 6 conjunts are in the unsatisfiable core [2020-09-16 13:54:09,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-16 13:54:09,752 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:54:09,753 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-16 13:54:09,753 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2020-09-16 13:54:09,753 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991229261] [2020-09-16 13:54:09,754 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-16 13:54:09,754 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 13:54:09,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-16 13:54:09,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2020-09-16 13:54:09,754 INFO L87 Difference]: Start difference. First operand 284 states and 553 transitions. Second operand 8 states. [2020-09-16 13:54:09,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 13:54:09,809 INFO L93 Difference]: Finished difference Result 360 states and 694 transitions. [2020-09-16 13:54:09,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-16 13:54:09,810 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 48 [2020-09-16 13:54:09,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 13:54:09,813 INFO L225 Difference]: With dead ends: 360 [2020-09-16 13:54:09,813 INFO L226 Difference]: Without dead ends: 360 [2020-09-16 13:54:09,813 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2020-09-16 13:54:09,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-09-16 13:54:09,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 324. [2020-09-16 13:54:09,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324 states. [2020-09-16 13:54:09,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 627 transitions. [2020-09-16 13:54:09,824 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 627 transitions. Word has length 48 [2020-09-16 13:54:09,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 13:54:09,824 INFO L479 AbstractCegarLoop]: Abstraction has 324 states and 627 transitions. [2020-09-16 13:54:09,824 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-16 13:54:09,824 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 627 transitions. [2020-09-16 13:54:09,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-09-16 13:54:09,826 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 13:54:09,826 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] [2020-09-16 13:54:10,040 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-16 13:54:10,041 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-16 13:54:10,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 13:54:10,042 INFO L82 PathProgramCache]: Analyzing trace with hash -2001070123, now seen corresponding path program 5 times [2020-09-16 13:54:10,042 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 13:54:10,043 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482505204] [2020-09-16 13:54:10,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 13:54:10,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 13:54:10,207 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:54:10,208 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482505204] [2020-09-16 13:54:10,208 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [888623318] [2020-09-16 13:54:10,208 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 [2020-09-16 13:54:10,415 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2020-09-16 13:54:10,415 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-16 13:54:10,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 39 conjunts are in the unsatisfiable core [2020-09-16 13:54:10,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-16 13:54:10,484 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 [2020-09-16 13:54:10,485 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:10,488 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:10,488 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:54:10,489 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:9 [2020-09-16 13:54:10,551 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:10,551 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 [2020-09-16 13:54:10,552 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:10,592 INFO L625 ElimStorePlain]: treesize reduction 24, result has 62.5 percent of original size [2020-09-16 13:54:10,598 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:54:10,607 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-16 13:54:10,607 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:35 [2020-09-16 13:54:10,680 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:54:10,734 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:10,734 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 [2020-09-16 13:54:10,736 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:54:10,738 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:10,745 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-16 13:54:10,762 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:10,763 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 [2020-09-16 13:54:10,764 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:10,873 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2020-09-16 13:54:10,875 INFO L625 ElimStorePlain]: treesize reduction 50, result has 64.8 percent of original size [2020-09-16 13:54:10,887 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-16 13:54:10,887 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:96, output treesize:48 [2020-09-16 13:54:10,941 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:54:10,959 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 [2020-09-16 13:54:10,960 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:10,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:54:10,976 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 [2020-09-16 13:54:10,977 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:11,006 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:11,008 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-16 13:54:11,008 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-09-16 13:54:11,086 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2020-09-16 13:54:11,088 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:11,098 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:11,099 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:54:11,099 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:34 [2020-09-16 13:54:11,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:54:11,176 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 33 treesize of output 32 [2020-09-16 13:54:11,176 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:11,184 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:11,186 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:54:11,187 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:40, output treesize:9 [2020-09-16 13:54:11,230 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:11,231 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 [2020-09-16 13:54:11,232 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:11,250 INFO L625 ElimStorePlain]: treesize reduction 30, result has 44.4 percent of original size [2020-09-16 13:54:11,251 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:54:11,252 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:34, output treesize:9 [2020-09-16 13:54:11,283 INFO L350 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2020-09-16 13:54:11,284 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 [2020-09-16 13:54:11,285 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:11,290 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:11,291 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:54:11,291 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:9 [2020-09-16 13:54:11,307 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 63 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-09-16 13:54:11,307 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-16 13:54:11,308 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 17 [2020-09-16 13:54:11,308 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185557938] [2020-09-16 13:54:11,308 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-16 13:54:11,309 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 13:54:11,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-16 13:54:11,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2020-09-16 13:54:11,334 INFO L87 Difference]: Start difference. First operand 324 states and 627 transitions. Second operand 17 states. [2020-09-16 13:54:14,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 13:54:14,580 INFO L93 Difference]: Finished difference Result 990 states and 1887 transitions. [2020-09-16 13:54:14,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-09-16 13:54:14,580 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 55 [2020-09-16 13:54:14,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 13:54:14,589 INFO L225 Difference]: With dead ends: 990 [2020-09-16 13:54:14,589 INFO L226 Difference]: Without dead ends: 990 [2020-09-16 13:54:14,591 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 940 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=738, Invalid=2342, Unknown=0, NotChecked=0, Total=3080 [2020-09-16 13:54:14,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 990 states. [2020-09-16 13:54:14,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 990 to 640. [2020-09-16 13:54:14,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 640 states. [2020-09-16 13:54:14,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 1212 transitions. [2020-09-16 13:54:14,610 INFO L78 Accepts]: Start accepts. Automaton has 640 states and 1212 transitions. Word has length 55 [2020-09-16 13:54:14,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 13:54:14,611 INFO L479 AbstractCegarLoop]: Abstraction has 640 states and 1212 transitions. [2020-09-16 13:54:14,611 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-16 13:54:14,611 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 1212 transitions. [2020-09-16 13:54:14,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-09-16 13:54:14,613 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 13:54:14,613 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] [2020-09-16 13:54:14,828 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-16 13:54:14,828 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-16 13:54:14,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 13:54:14,829 INFO L82 PathProgramCache]: Analyzing trace with hash 1721466975, now seen corresponding path program 1 times [2020-09-16 13:54:14,829 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 13:54:14,829 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119315638] [2020-09-16 13:54:14,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 13:54:14,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 13:54:15,047 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:54:15,048 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119315638] [2020-09-16 13:54:15,048 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1538160921] [2020-09-16 13:54:15,048 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 [2020-09-16 13:54:15,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 13:54:15,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 8 conjunts are in the unsatisfiable core [2020-09-16 13:54:15,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-16 13:54:15,189 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:54:15,189 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-16 13:54:15,190 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2020-09-16 13:54:15,190 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794934022] [2020-09-16 13:54:15,190 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-16 13:54:15,191 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 13:54:15,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-16 13:54:15,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2020-09-16 13:54:15,191 INFO L87 Difference]: Start difference. First operand 640 states and 1212 transitions. Second operand 10 states. [2020-09-16 13:54:15,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 13:54:15,265 INFO L93 Difference]: Finished difference Result 828 states and 1557 transitions. [2020-09-16 13:54:15,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-16 13:54:15,266 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 64 [2020-09-16 13:54:15,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 13:54:15,272 INFO L225 Difference]: With dead ends: 828 [2020-09-16 13:54:15,272 INFO L226 Difference]: Without dead ends: 828 [2020-09-16 13:54:15,272 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2020-09-16 13:54:15,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2020-09-16 13:54:15,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 740. [2020-09-16 13:54:15,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 740 states. [2020-09-16 13:54:15,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 740 states and 1395 transitions. [2020-09-16 13:54:15,293 INFO L78 Accepts]: Start accepts. Automaton has 740 states and 1395 transitions. Word has length 64 [2020-09-16 13:54:15,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 13:54:15,293 INFO L479 AbstractCegarLoop]: Abstraction has 740 states and 1395 transitions. [2020-09-16 13:54:15,293 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-16 13:54:15,293 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 1395 transitions. [2020-09-16 13:54:15,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-09-16 13:54:15,295 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 13:54:15,295 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] [2020-09-16 13:54:15,509 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-16 13:54:15,510 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-16 13:54:15,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 13:54:15,510 INFO L82 PathProgramCache]: Analyzing trace with hash 1068182613, now seen corresponding path program 2 times [2020-09-16 13:54:15,511 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 13:54:15,511 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787399013] [2020-09-16 13:54:15,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 13:54:15,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 13:54:15,778 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:54:15,780 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787399013] [2020-09-16 13:54:15,780 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [697420079] [2020-09-16 13:54:15,780 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 [2020-09-16 13:54:16,046 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-09-16 13:54:16,047 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-16 13:54:16,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 9 conjunts are in the unsatisfiable core [2020-09-16 13:54:16,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-16 13:54:16,077 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:54:16,078 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-16 13:54:16,078 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 11 [2020-09-16 13:54:16,078 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620066299] [2020-09-16 13:54:16,079 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-16 13:54:16,079 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 13:54:16,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-16 13:54:16,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2020-09-16 13:54:16,080 INFO L87 Difference]: Start difference. First operand 740 states and 1395 transitions. Second operand 11 states. [2020-09-16 13:54:16,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 13:54:16,151 INFO L93 Difference]: Finished difference Result 928 states and 1740 transitions. [2020-09-16 13:54:16,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-16 13:54:16,152 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 71 [2020-09-16 13:54:16,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 13:54:16,157 INFO L225 Difference]: With dead ends: 928 [2020-09-16 13:54:16,157 INFO L226 Difference]: Without dead ends: 928 [2020-09-16 13:54:16,157 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2020-09-16 13:54:16,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 928 states. [2020-09-16 13:54:16,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 928 to 840. [2020-09-16 13:54:16,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 840 states. [2020-09-16 13:54:16,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 840 states and 1578 transitions. [2020-09-16 13:54:16,177 INFO L78 Accepts]: Start accepts. Automaton has 840 states and 1578 transitions. Word has length 71 [2020-09-16 13:54:16,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 13:54:16,178 INFO L479 AbstractCegarLoop]: Abstraction has 840 states and 1578 transitions. [2020-09-16 13:54:16,178 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-16 13:54:16,178 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1578 transitions. [2020-09-16 13:54:16,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-09-16 13:54:16,180 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 13:54:16,180 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] [2020-09-16 13:54:16,394 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-16 13:54:16,394 INFO L427 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-16 13:54:16,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 13:54:16,395 INFO L82 PathProgramCache]: Analyzing trace with hash -1341473003, now seen corresponding path program 3 times [2020-09-16 13:54:16,395 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 13:54:16,395 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307172629] [2020-09-16 13:54:16,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 13:54:16,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 13:54:16,654 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 177 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:54:16,654 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307172629] [2020-09-16 13:54:16,655 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [824195301] [2020-09-16 13:54:16,655 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 [2020-09-16 13:54:17,450 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2020-09-16 13:54:17,451 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-16 13:54:17,456 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 56 conjunts are in the unsatisfiable core [2020-09-16 13:54:17,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-16 13:54:17,471 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 [2020-09-16 13:54:17,473 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:17,519 INFO L625 ElimStorePlain]: treesize reduction 65, result has 20.7 percent of original size [2020-09-16 13:54:17,522 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:54:17,522 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:20, output treesize:4 [2020-09-16 13:54:17,564 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 [2020-09-16 13:54:17,565 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:17,569 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:17,570 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:54:17,570 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2020-09-16 13:54:17,599 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 [2020-09-16 13:54:17,600 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:17,606 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:17,607 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:54:17,608 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:14 [2020-09-16 13:54:17,652 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-16 13:54:17,675 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:17,676 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 [2020-09-16 13:54:17,677 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:17,709 INFO L625 ElimStorePlain]: treesize reduction 30, result has 53.1 percent of original size [2020-09-16 13:54:17,713 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:54:17,713 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:44, output treesize:20 [2020-09-16 13:54:17,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:54:17,752 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 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 [2020-09-16 13:54:17,753 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:17,764 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:17,765 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:54:17,765 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:35, output treesize:20 [2020-09-16 13:54:17,807 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 [2020-09-16 13:54:17,808 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:17,816 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:17,817 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:54:17,817 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:38, output treesize:14 [2020-09-16 13:54:17,846 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 [2020-09-16 13:54:17,847 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:17,855 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:17,860 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:54:17,860 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:29, output treesize:9 [2020-09-16 13:54:17,910 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-16 13:54:17,926 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:17,926 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 [2020-09-16 13:54:17,930 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2020-09-16 13:54:17,930 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-09-16 13:54:17,932 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-09-16 13:54:17,964 INFO L625 ElimStorePlain]: treesize reduction 91, result has 26.6 percent of original size [2020-09-16 13:54:17,965 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:54:17,966 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:37, output treesize:16 [2020-09-16 13:54:17,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:54:17,998 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 [2020-09-16 13:54:17,998 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:18,008 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:18,009 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:54:18,010 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:31, output treesize:16 [2020-09-16 13:54:18,018 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 [2020-09-16 13:54:18,019 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:18,021 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:18,021 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:54:18,021 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:1 [2020-09-16 13:54:18,032 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 78 proven. 35 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2020-09-16 13:54:18,032 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-16 13:54:18,033 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2020-09-16 13:54:18,033 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144958017] [2020-09-16 13:54:18,033 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-09-16 13:54:18,033 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 13:54:18,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-09-16 13:54:18,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=316, Unknown=0, NotChecked=0, Total=420 [2020-09-16 13:54:18,034 INFO L87 Difference]: Start difference. First operand 840 states and 1578 transitions. Second operand 21 states. [2020-09-16 13:54:21,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 13:54:21,010 INFO L93 Difference]: Finished difference Result 1310 states and 2402 transitions. [2020-09-16 13:54:21,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2020-09-16 13:54:21,010 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 79 [2020-09-16 13:54:21,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 13:54:21,016 INFO L225 Difference]: With dead ends: 1310 [2020-09-16 13:54:21,017 INFO L226 Difference]: Without dead ends: 1310 [2020-09-16 13:54:21,019 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1975 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=1527, Invalid=4173, Unknown=0, NotChecked=0, Total=5700 [2020-09-16 13:54:21,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1310 states. [2020-09-16 13:54:21,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1310 to 885. [2020-09-16 13:54:21,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 885 states. [2020-09-16 13:54:21,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 885 states and 1627 transitions. [2020-09-16 13:54:21,041 INFO L78 Accepts]: Start accepts. Automaton has 885 states and 1627 transitions. Word has length 79 [2020-09-16 13:54:21,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 13:54:21,041 INFO L479 AbstractCegarLoop]: Abstraction has 885 states and 1627 transitions. [2020-09-16 13:54:21,041 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-09-16 13:54:21,041 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1627 transitions. [2020-09-16 13:54:21,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-09-16 13:54:21,043 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 13:54:21,043 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 6, 6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-16 13:54:21,258 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-09-16 13:54:21,259 INFO L427 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-16 13:54:21,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 13:54:21,260 INFO L82 PathProgramCache]: Analyzing trace with hash 1687151893, now seen corresponding path program 4 times [2020-09-16 13:54:21,260 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 13:54:21,260 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37480353] [2020-09-16 13:54:21,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 13:54:21,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 13:54:21,547 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:54:21,547 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37480353] [2020-09-16 13:54:21,547 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1054749726] [2020-09-16 13:54:21,548 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 [2020-09-16 13:54:24,576 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-09-16 13:54:24,576 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-16 13:54:24,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 11 conjunts are in the unsatisfiable core [2020-09-16 13:54:24,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-16 13:54:24,636 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:54:24,636 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-16 13:54:24,636 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 13 [2020-09-16 13:54:24,637 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232938665] [2020-09-16 13:54:24,637 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-16 13:54:24,637 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 13:54:24,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-16 13:54:24,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2020-09-16 13:54:24,638 INFO L87 Difference]: Start difference. First operand 885 states and 1627 transitions. Second operand 13 states. [2020-09-16 13:54:24,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 13:54:24,729 INFO L93 Difference]: Finished difference Result 1057 states and 1936 transitions. [2020-09-16 13:54:24,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-16 13:54:24,729 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 89 [2020-09-16 13:54:24,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 13:54:24,734 INFO L225 Difference]: With dead ends: 1057 [2020-09-16 13:54:24,734 INFO L226 Difference]: Without dead ends: 1057 [2020-09-16 13:54:24,735 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2020-09-16 13:54:24,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1057 states. [2020-09-16 13:54:24,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1057 to 977. [2020-09-16 13:54:24,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2020-09-16 13:54:24,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1792 transitions. [2020-09-16 13:54:24,754 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1792 transitions. Word has length 89 [2020-09-16 13:54:24,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 13:54:24,755 INFO L479 AbstractCegarLoop]: Abstraction has 977 states and 1792 transitions. [2020-09-16 13:54:24,755 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-16 13:54:24,755 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1792 transitions. [2020-09-16 13:54:24,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-09-16 13:54:24,757 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 13:54:24,757 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] [2020-09-16 13:54:24,970 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-16 13:54:24,971 INFO L427 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-16 13:54:24,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 13:54:24,971 INFO L82 PathProgramCache]: Analyzing trace with hash 792310527, now seen corresponding path program 5 times [2020-09-16 13:54:24,972 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 13:54:24,972 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682780604] [2020-09-16 13:54:24,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 13:54:25,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 13:54:25,265 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 0 proven. 292 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:54:25,265 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682780604] [2020-09-16 13:54:25,265 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1229215481] [2020-09-16 13:54:25,265 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 [2020-09-16 13:54:27,497 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2020-09-16 13:54:27,498 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-16 13:54:27,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 122 conjunts are in the unsatisfiable core [2020-09-16 13:54:27,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-16 13:54:27,534 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 [2020-09-16 13:54:27,534 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:27,536 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:27,536 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:54:27,537 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:9 [2020-09-16 13:54:27,574 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:27,575 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 [2020-09-16 13:54:27,575 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:27,610 INFO L625 ElimStorePlain]: treesize reduction 25, result has 59.7 percent of original size [2020-09-16 13:54:27,611 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-16 13:54:27,612 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:26, output treesize:24 [2020-09-16 13:54:27,675 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:54:27,686 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-16 13:54:27,688 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-16 13:54:27,706 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:27,707 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 [2020-09-16 13:54:27,708 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:27,738 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:27,739 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 [2020-09-16 13:54:27,740 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-09-16 13:54:27,740 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-16 13:54:27,741 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2020-09-16 13:54:27,820 INFO L625 ElimStorePlain]: treesize reduction 53, result has 57.6 percent of original size [2020-09-16 13:54:27,825 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-16 13:54:27,825 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:36 [2020-09-16 13:54:27,869 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:54:27,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:54:27,888 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 [2020-09-16 13:54:27,889 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:27,895 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 [2020-09-16 13:54:27,895 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:27,923 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:27,924 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-16 13:54:27,924 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:66, output treesize:36 [2020-09-16 13:54:27,977 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 1] term [2020-09-16 13:54:27,977 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:54:27,985 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 [2020-09-16 13:54:27,986 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:28,000 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:28,004 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 21 treesize of output 11 [2020-09-16 13:54:28,005 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:28,014 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:28,015 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-16 13:54:28,015 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:66, output treesize:25 [2020-09-16 13:54:28,044 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:54:28,081 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:28,081 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 [2020-09-16 13:54:28,082 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:28,087 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 16 treesize of output 12 [2020-09-16 13:54:28,087 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:28,152 INFO L625 ElimStorePlain]: treesize reduction 25, result has 71.9 percent of original size [2020-09-16 13:54:28,153 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-09-16 13:54:28,154 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:57, output treesize:38 [2020-09-16 13:54:28,248 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-09-16 13:54:28,258 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-16 13:54:28,261 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-16 13:54:28,280 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:28,280 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 [2020-09-16 13:54:28,282 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:28,307 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:28,307 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 [2020-09-16 13:54:28,309 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-09-16 13:54:28,310 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-16 13:54:28,311 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2020-09-16 13:54:28,341 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:28,342 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 [2020-09-16 13:54:28,343 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-09-16 13:54:28,344 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-16 13:54:28,345 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2020-09-16 13:54:28,465 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 44 [2020-09-16 13:54:28,466 INFO L625 ElimStorePlain]: treesize reduction 80, result has 59.6 percent of original size [2020-09-16 13:54:28,468 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-09-16 13:54:28,468 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:118, output treesize:55 [2020-09-16 13:54:28,535 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-09-16 13:54:28,550 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 [2020-09-16 13:54:28,551 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:28,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:54:28,562 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 [2020-09-16 13:54:28,562 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:28,569 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 [2020-09-16 13:54:28,569 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:28,626 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:28,628 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-09-16 13:54:28,629 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:100, output treesize:55 [2020-09-16 13:54:28,790 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 3, 4, 1] term [2020-09-16 13:54:28,791 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-09-16 13:54:28,804 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 [2020-09-16 13:54:28,804 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:28,879 INFO L625 ElimStorePlain]: treesize reduction 10, result has 91.0 percent of original size [2020-09-16 13:54:28,884 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 [2020-09-16 13:54:28,885 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:28,913 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:28,919 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 [2020-09-16 13:54:28,919 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:28,943 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:28,944 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-09-16 13:54:28,944 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:130, output treesize:62 [2020-09-16 13:54:29,007 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-09-16 13:54:29,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:54:29,026 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 [2020-09-16 13:54:29,027 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:29,065 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:29,065 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 [2020-09-16 13:54:29,066 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:29,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:54:29,081 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 [2020-09-16 13:54:29,081 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:29,168 INFO L625 ElimStorePlain]: treesize reduction 25, result has 81.5 percent of original size [2020-09-16 13:54:29,169 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2020-09-16 13:54:29,169 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:107, output treesize:72 [2020-09-16 13:54:29,313 INFO L603 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-09-16 13:54:29,327 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-16 13:54:29,330 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-16 13:54:29,346 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:29,347 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 [2020-09-16 13:54:29,348 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:29,373 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:29,373 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 [2020-09-16 13:54:29,375 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-09-16 13:54:29,375 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-16 13:54:29,376 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2020-09-16 13:54:29,384 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-16 13:54:29,386 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-16 13:54:29,407 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:29,408 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 [2020-09-16 13:54:29,410 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2020-09-16 13:54:29,410 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-09-16 13:54:29,412 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2020-09-16 13:54:29,418 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-16 13:54:29,435 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:29,436 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 [2020-09-16 13:54:29,437 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2020-09-16 13:54:29,438 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-09-16 13:54:29,439 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2020-09-16 13:54:29,620 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 56 [2020-09-16 13:54:29,621 INFO L625 ElimStorePlain]: treesize reduction 235, result has 41.1 percent of original size [2020-09-16 13:54:29,626 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2020-09-16 13:54:29,626 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:178, output treesize:94 [2020-09-16 13:54:29,719 INFO L603 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-09-16 13:54:29,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:54:29,740 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 [2020-09-16 13:54:29,741 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:29,749 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 [2020-09-16 13:54:29,749 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:29,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:54:29,762 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 [2020-09-16 13:54:29,762 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:29,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:54:29,772 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 [2020-09-16 13:54:29,772 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:29,841 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:29,842 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2020-09-16 13:54:29,842 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:154, output treesize:94 [2020-09-16 13:54:29,987 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 4, 1] term [2020-09-16 13:54:29,987 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-09-16 13:54:29,999 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 [2020-09-16 13:54:30,000 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:30,041 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:30,048 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2020-09-16 13:54:30,049 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:30,084 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:30,090 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 [2020-09-16 13:54:30,091 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:30,151 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:30,151 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-09-16 13:54:30,152 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:106, output treesize:67 [2020-09-16 13:54:30,222 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-09-16 13:54:30,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:54:30,253 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 30 [2020-09-16 13:54:30,253 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:30,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:54:30,274 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 30 [2020-09-16 13:54:30,275 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:30,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:54:30,293 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 30 [2020-09-16 13:54:30,294 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:30,355 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:30,357 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-09-16 13:54:30,357 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:166, output treesize:103 [2020-09-16 13:54:30,532 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-16 13:54:30,549 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:30,549 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 [2020-09-16 13:54:30,550 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:30,600 INFO L625 ElimStorePlain]: treesize reduction 30, result has 64.3 percent of original size [2020-09-16 13:54:30,602 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:54:30,602 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:64, output treesize:40 [2020-09-16 13:54:30,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:54:30,675 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 [2020-09-16 13:54:30,675 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:30,694 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:30,695 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:54:30,695 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:40 [2020-09-16 13:54:30,788 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 [2020-09-16 13:54:30,789 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:30,803 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:30,803 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:54:30,804 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:34 [2020-09-16 13:54:30,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:54:30,869 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 [2020-09-16 13:54:30,870 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:30,886 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:30,888 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:54:30,888 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:54, output treesize:34 [2020-09-16 13:54:31,023 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-16 13:54:31,040 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:31,041 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 [2020-09-16 13:54:31,042 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-16 13:54:31,043 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:31,098 INFO L625 ElimStorePlain]: treesize reduction 35, result has 63.2 percent of original size [2020-09-16 13:54:31,100 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:54:31,100 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:64, output treesize:40 [2020-09-16 13:54:31,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:54:31,173 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 [2020-09-16 13:54:31,174 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:31,193 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:31,201 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:54:31,201 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:40 [2020-09-16 13:54:31,284 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 [2020-09-16 13:54:31,284 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:31,299 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:31,300 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:54:31,300 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:34 [2020-09-16 13:54:31,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:54:31,376 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 33 treesize of output 32 [2020-09-16 13:54:31,376 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:31,392 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:31,393 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:54:31,394 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:40, output treesize:9 [2020-09-16 13:54:31,508 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:31,508 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 34 treesize of output 57 [2020-09-16 13:54:31,509 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-16 13:54:31,510 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:31,539 INFO L625 ElimStorePlain]: treesize reduction 35, result has 46.2 percent of original size [2020-09-16 13:54:31,541 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:54:31,541 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:34, output treesize:9 [2020-09-16 13:54:31,604 INFO L350 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2020-09-16 13:54:31,604 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 [2020-09-16 13:54:31,605 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:54:31,611 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:54:31,612 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:54:31,612 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:9 [2020-09-16 13:54:31,651 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 190 proven. 92 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-09-16 13:54:31,651 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-16 13:54:31,651 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 33] total 44 [2020-09-16 13:54:31,652 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600466521] [2020-09-16 13:54:31,652 INFO L459 AbstractCegarLoop]: Interpolant automaton has 44 states [2020-09-16 13:54:31,652 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 13:54:31,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2020-09-16 13:54:31,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=234, Invalid=1658, Unknown=0, NotChecked=0, Total=1892 [2020-09-16 13:54:31,653 INFO L87 Difference]: Start difference. First operand 977 states and 1792 transitions. Second operand 44 states. [2020-09-16 13:54:35,321 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-09-16 13:54:36,625 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 36 [2020-09-16 13:54:39,256 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 37 [2020-09-16 13:54:42,405 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 37 [2020-09-16 13:54:45,305 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 37 [2020-09-16 13:54:48,383 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 37 [2020-09-16 13:54:51,850 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 37 [2020-09-16 13:54:55,447 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 37 [2020-09-16 13:54:57,237 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 35 [2020-09-16 13:54:59,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 13:54:59,238 INFO L93 Difference]: Finished difference Result 3504 states and 6370 transitions. [2020-09-16 13:54:59,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 262 states. [2020-09-16 13:54:59,239 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 96 [2020-09-16 13:54:59,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 13:54:59,253 INFO L225 Difference]: With dead ends: 3504 [2020-09-16 13:54:59,253 INFO L226 Difference]: Without dead ends: 3504 [2020-09-16 13:54:59,266 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 560 GetRequests, 273 SyntacticMatches, 1 SemanticMatches, 286 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35937 ImplicationChecksByTransitivity, 22.8s TimeCoverageRelationStatistics Valid=7381, Invalid=75275, Unknown=0, NotChecked=0, Total=82656 [2020-09-16 13:54:59,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3504 states. [2020-09-16 13:54:59,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3504 to 2010. [2020-09-16 13:54:59,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2010 states. [2020-09-16 13:54:59,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2010 states to 2010 states and 3634 transitions. [2020-09-16 13:54:59,319 INFO L78 Accepts]: Start accepts. Automaton has 2010 states and 3634 transitions. Word has length 96 [2020-09-16 13:54:59,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 13:54:59,320 INFO L479 AbstractCegarLoop]: Abstraction has 2010 states and 3634 transitions. [2020-09-16 13:54:59,320 INFO L480 AbstractCegarLoop]: Interpolant automaton has 44 states. [2020-09-16 13:54:59,320 INFO L276 IsEmpty]: Start isEmpty. Operand 2010 states and 3634 transitions. [2020-09-16 13:54:59,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-09-16 13:54:59,324 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 13:54:59,324 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] [2020-09-16 13:54:59,539 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-16 13:54:59,539 INFO L427 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-16 13:54:59,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 13:54:59,540 INFO L82 PathProgramCache]: Analyzing trace with hash 1634230719, now seen corresponding path program 6 times [2020-09-16 13:54:59,540 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 13:54:59,540 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547001430] [2020-09-16 13:54:59,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 13:54:59,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 13:54:59,872 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 0 proven. 361 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:54:59,872 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547001430] [2020-09-16 13:54:59,873 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [45232998] [2020-09-16 13:54:59,873 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 [2020-09-16 13:55:15,075 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2020-09-16 13:55:15,075 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-16 13:55:15,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 74 conjunts are in the unsatisfiable core [2020-09-16 13:55:15,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-16 13:55:15,187 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 [2020-09-16 13:55:15,188 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-09-16 13:55:15,229 INFO L625 ElimStorePlain]: treesize reduction 26, result has 46.9 percent of original size [2020-09-16 13:55:15,231 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:55:15,232 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:27, output treesize:11 [2020-09-16 13:55:15,283 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 [2020-09-16 13:55:15,284 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:55:15,298 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:55:15,299 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:55:15,299 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:20 [2020-09-16 13:55:15,329 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 [2020-09-16 13:55:15,329 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:55:15,340 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:55:15,341 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:55:15,341 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:35, output treesize:20 [2020-09-16 13:55:15,391 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-16 13:55:15,410 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:55:15,411 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 [2020-09-16 13:55:15,411 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:55:15,461 INFO L625 ElimStorePlain]: treesize reduction 30, result has 57.1 percent of original size [2020-09-16 13:55:15,462 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:55:15,463 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:50, output treesize:26 [2020-09-16 13:55:15,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:55:15,507 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 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 [2020-09-16 13:55:15,507 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:55:15,525 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:55:15,526 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:55:15,526 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:41, output treesize:26 [2020-09-16 13:55:15,578 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 34 treesize of output 18 [2020-09-16 13:55:15,578 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:55:15,590 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:55:15,591 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:55:15,591 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:44, output treesize:20 [2020-09-16 13:55:15,627 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 [2020-09-16 13:55:15,628 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:55:15,641 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:55:15,642 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:55:15,642 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:35, output treesize:20 [2020-09-16 13:55:15,725 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-16 13:55:15,745 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:55:15,746 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 [2020-09-16 13:55:15,747 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-16 13:55:15,748 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:55:15,804 INFO L625 ElimStorePlain]: treesize reduction 35, result has 56.8 percent of original size [2020-09-16 13:55:15,805 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:55:15,806 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:50, output treesize:26 [2020-09-16 13:55:15,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:55:15,852 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 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 [2020-09-16 13:55:15,852 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:55:15,871 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:55:15,872 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:55:15,873 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:41, output treesize:26 [2020-09-16 13:55:15,925 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 [2020-09-16 13:55:15,926 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:55:15,938 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:55:15,939 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:55:15,939 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:44, output treesize:20 [2020-09-16 13:55:15,978 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 [2020-09-16 13:55:15,978 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:55:15,990 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:55:15,991 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:55:15,991 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:30, output treesize:13 [2020-09-16 13:55:16,058 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-16 13:55:16,096 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:55:16,097 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 31 treesize of output 83 [2020-09-16 13:55:16,099 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 1] term [2020-09-16 13:55:16,099 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-09-16 13:55:16,100 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:55:16,131 INFO L625 ElimStorePlain]: treesize reduction 83, result has 28.4 percent of original size [2020-09-16 13:55:16,132 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:55:16,132 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:37, output treesize:16 [2020-09-16 13:55:16,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:55:16,178 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 [2020-09-16 13:55:16,179 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:55:16,189 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:55:16,190 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:55:16,191 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:31, output treesize:16 [2020-09-16 13:55:16,195 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 [2020-09-16 13:55:16,196 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:55:16,198 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:55:16,198 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:55:16,199 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:1 [2020-09-16 13:55:16,229 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 227 proven. 28 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2020-09-16 13:55:16,230 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-16 13:55:16,230 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 28 [2020-09-16 13:55:16,230 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109094263] [2020-09-16 13:55:16,231 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-09-16 13:55:16,231 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 13:55:16,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-09-16 13:55:16,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=578, Unknown=0, NotChecked=0, Total=756 [2020-09-16 13:55:16,232 INFO L87 Difference]: Start difference. First operand 2010 states and 3634 transitions. Second operand 28 states. [2020-09-16 13:55:24,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 13:55:24,544 INFO L93 Difference]: Finished difference Result 2569 states and 4588 transitions. [2020-09-16 13:55:24,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2020-09-16 13:55:24,545 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 104 [2020-09-16 13:55:24,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 13:55:24,554 INFO L225 Difference]: With dead ends: 2569 [2020-09-16 13:55:24,554 INFO L226 Difference]: Without dead ends: 2569 [2020-09-16 13:55:24,556 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 133 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7342 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=4324, Invalid=13766, Unknown=0, NotChecked=0, Total=18090 [2020-09-16 13:55:24,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2569 states. [2020-09-16 13:55:24,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 1458. [2020-09-16 13:55:24,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1458 states. [2020-09-16 13:55:24,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1458 states to 1458 states and 2635 transitions. [2020-09-16 13:55:24,589 INFO L78 Accepts]: Start accepts. Automaton has 1458 states and 2635 transitions. Word has length 104 [2020-09-16 13:55:24,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 13:55:24,589 INFO L479 AbstractCegarLoop]: Abstraction has 1458 states and 2635 transitions. [2020-09-16 13:55:24,589 INFO L480 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-09-16 13:55:24,589 INFO L276 IsEmpty]: Start isEmpty. Operand 1458 states and 2635 transitions. [2020-09-16 13:55:24,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-09-16 13:55:24,592 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 13:55:24,593 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 9, 9, 9, 9, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-16 13:55:24,793 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-09-16 13:55:24,794 INFO L427 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-16 13:55:24,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 13:55:24,794 INFO L82 PathProgramCache]: Analyzing trace with hash -1180971947, now seen corresponding path program 7 times [2020-09-16 13:55:24,794 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 13:55:24,794 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927093027] [2020-09-16 13:55:24,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 13:55:24,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 13:55:25,222 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 0 proven. 456 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:55:25,222 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927093027] [2020-09-16 13:55:25,222 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [665395749] [2020-09-16 13:55:25,223 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 [2020-09-16 13:55:25,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 13:55:25,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 14 conjunts are in the unsatisfiable core [2020-09-16 13:55:25,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-16 13:55:25,509 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 0 proven. 456 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:55:25,510 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-16 13:55:25,510 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 16 [2020-09-16 13:55:25,510 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614845839] [2020-09-16 13:55:25,511 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-16 13:55:25,511 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 13:55:25,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-16 13:55:25,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2020-09-16 13:55:25,512 INFO L87 Difference]: Start difference. First operand 1458 states and 2635 transitions. Second operand 16 states. [2020-09-16 13:55:25,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 13:55:25,671 INFO L93 Difference]: Finished difference Result 1690 states and 3049 transitions. [2020-09-16 13:55:25,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-16 13:55:25,672 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 113 [2020-09-16 13:55:25,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 13:55:25,683 INFO L225 Difference]: With dead ends: 1690 [2020-09-16 13:55:25,683 INFO L226 Difference]: Without dead ends: 1690 [2020-09-16 13:55:25,683 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2020-09-16 13:55:25,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1690 states. [2020-09-16 13:55:25,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1690 to 1582. [2020-09-16 13:55:25,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1582 states. [2020-09-16 13:55:25,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1582 states to 1582 states and 2856 transitions. [2020-09-16 13:55:25,721 INFO L78 Accepts]: Start accepts. Automaton has 1582 states and 2856 transitions. Word has length 113 [2020-09-16 13:55:25,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 13:55:25,722 INFO L479 AbstractCegarLoop]: Abstraction has 1582 states and 2856 transitions. [2020-09-16 13:55:25,722 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-16 13:55:25,722 INFO L276 IsEmpty]: Start isEmpty. Operand 1582 states and 2856 transitions. [2020-09-16 13:55:25,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-09-16 13:55:25,729 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 13:55:25,729 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] [2020-09-16 13:55:25,944 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2020-09-16 13:55:25,944 INFO L427 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-16 13:55:25,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 13:55:25,945 INFO L82 PathProgramCache]: Analyzing trace with hash 2141456319, now seen corresponding path program 8 times [2020-09-16 13:55:25,945 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 13:55:25,946 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031605997] [2020-09-16 13:55:25,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 13:55:26,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 13:55:26,371 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 0 proven. 523 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:55:26,371 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031605997] [2020-09-16 13:55:26,372 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2536623] [2020-09-16 13:55:26,372 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 [2020-09-16 13:55:26,680 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-09-16 13:55:26,681 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-16 13:55:26,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 15 conjunts are in the unsatisfiable core [2020-09-16 13:55:26,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-16 13:55:26,738 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 0 proven. 523 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:55:26,739 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-16 13:55:26,739 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 17 [2020-09-16 13:55:26,740 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106110568] [2020-09-16 13:55:26,740 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-16 13:55:26,741 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 13:55:26,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-16 13:55:26,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2020-09-16 13:55:26,741 INFO L87 Difference]: Start difference. First operand 1582 states and 2856 transitions. Second operand 17 states. [2020-09-16 13:55:26,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 13:55:26,929 INFO L93 Difference]: Finished difference Result 1814 states and 3270 transitions. [2020-09-16 13:55:26,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-16 13:55:26,930 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 120 [2020-09-16 13:55:26,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 13:55:26,940 INFO L225 Difference]: With dead ends: 1814 [2020-09-16 13:55:26,940 INFO L226 Difference]: Without dead ends: 1814 [2020-09-16 13:55:26,941 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2020-09-16 13:55:26,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1814 states. [2020-09-16 13:55:26,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1814 to 1706. [2020-09-16 13:55:26,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1706 states. [2020-09-16 13:55:26,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1706 states to 1706 states and 3077 transitions. [2020-09-16 13:55:26,975 INFO L78 Accepts]: Start accepts. Automaton has 1706 states and 3077 transitions. Word has length 120 [2020-09-16 13:55:26,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 13:55:26,976 INFO L479 AbstractCegarLoop]: Abstraction has 1706 states and 3077 transitions. [2020-09-16 13:55:26,976 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-16 13:55:26,977 INFO L276 IsEmpty]: Start isEmpty. Operand 1706 states and 3077 transitions. [2020-09-16 13:55:26,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-09-16 13:55:26,983 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 13:55:26,984 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] [2020-09-16 13:55:27,197 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2020-09-16 13:55:27,197 INFO L427 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-16 13:55:27,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 13:55:27,198 INFO L82 PathProgramCache]: Analyzing trace with hash 702742271, now seen corresponding path program 9 times [2020-09-16 13:55:27,198 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 13:55:27,198 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602395992] [2020-09-16 13:55:27,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 13:55:27,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 13:55:27,675 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 0 proven. 616 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:55:27,676 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602395992] [2020-09-16 13:55:27,676 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1012991956] [2020-09-16 13:55:27,676 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 [2020-09-16 13:55:29,707 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2020-09-16 13:55:29,707 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-16 13:55:29,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 72 conjunts are in the unsatisfiable core [2020-09-16 13:55:29,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-16 13:55:29,738 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:55:29,738 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 111 treesize of output 115 [2020-09-16 13:55:29,739 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:55:29,742 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-09-16 13:55:29,743 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:55:29,746 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2020-09-16 13:55:29,844 INFO L625 ElimStorePlain]: treesize reduction 222, result has 15.6 percent of original size [2020-09-16 13:55:29,847 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:55:29,848 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:47, output treesize:13 [2020-09-16 13:55:29,911 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 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 [2020-09-16 13:55:29,911 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:55:29,921 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:55:29,921 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:55:29,921 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:22 [2020-09-16 13:55:29,958 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2020-09-16 13:55:29,959 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:55:29,970 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:55:29,971 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:55:29,971 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:37, output treesize:22 [2020-09-16 13:55:30,023 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-16 13:55:30,044 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:55:30,045 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 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 [2020-09-16 13:55:30,046 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:55:30,100 INFO L625 ElimStorePlain]: treesize reduction 30, result has 58.3 percent of original size [2020-09-16 13:55:30,101 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:55:30,102 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:52, output treesize:28 [2020-09-16 13:55:30,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:55:30,153 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2020-09-16 13:55:30,154 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:55:30,170 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:55:30,171 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:55:30,172 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:43, output treesize:28 [2020-09-16 13:55:30,220 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 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 [2020-09-16 13:55:30,220 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:55:30,232 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:55:30,233 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:55:30,233 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:46, output treesize:22 [2020-09-16 13:55:30,266 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2020-09-16 13:55:30,267 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:55:30,278 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:55:30,279 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:55:30,280 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:37, output treesize:22 [2020-09-16 13:55:30,329 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-16 13:55:30,345 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:55:30,346 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 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 [2020-09-16 13:55:30,347 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-16 13:55:30,348 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:55:30,397 INFO L625 ElimStorePlain]: treesize reduction 35, result has 57.8 percent of original size [2020-09-16 13:55:30,398 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:55:30,399 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:52, output treesize:28 [2020-09-16 13:55:30,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:55:30,450 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2020-09-16 13:55:30,450 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:55:30,469 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:55:30,470 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:55:30,471 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:43, output treesize:28 [2020-09-16 13:55:30,554 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 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 [2020-09-16 13:55:30,554 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:55:30,565 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:55:30,565 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:55:30,566 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:22 [2020-09-16 13:55:30,609 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 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 [2020-09-16 13:55:30,610 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:55:30,623 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:55:30,624 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:55:30,624 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:37, output treesize:14 [2020-09-16 13:55:30,704 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-16 13:55:30,705 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 0 case distinctions, treesize of input 30 treesize of output 23 [2020-09-16 13:55:30,706 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:55:30,724 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:55:30,725 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-09-16 13:55:30,725 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:40, output treesize:30 [2020-09-16 13:55:30,812 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:55:30,813 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 59 [2020-09-16 13:55:30,814 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2020-09-16 13:55:30,815 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-09-16 13:55:30,816 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:55:30,862 INFO L625 ElimStorePlain]: treesize reduction 91, result has 32.6 percent of original size [2020-09-16 13:55:30,864 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-09-16 13:55:30,864 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:48, output treesize:27 [2020-09-16 13:55:30,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:55:30,930 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 34 [2020-09-16 13:55:30,930 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:55:30,953 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:55:30,955 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-09-16 13:55:30,955 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:42, output treesize:27 [2020-09-16 13:55:30,964 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 10 [2020-09-16 13:55:30,965 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:55:30,968 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:55:30,968 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:55:30,969 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:1 [2020-09-16 13:55:31,052 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 222 proven. 73 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2020-09-16 13:55:31,052 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-16 13:55:31,052 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 32 [2020-09-16 13:55:31,053 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034321971] [2020-09-16 13:55:31,053 INFO L459 AbstractCegarLoop]: Interpolant automaton has 32 states [2020-09-16 13:55:31,053 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 13:55:31,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2020-09-16 13:55:31,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=219, Invalid=773, Unknown=0, NotChecked=0, Total=992 [2020-09-16 13:55:31,055 INFO L87 Difference]: Start difference. First operand 1706 states and 3077 transitions. Second operand 32 states. [2020-09-16 13:55:51,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 13:55:51,032 INFO L93 Difference]: Finished difference Result 3757 states and 6689 transitions. [2020-09-16 13:55:51,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 231 states. [2020-09-16 13:55:51,033 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 128 [2020-09-16 13:55:51,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 13:55:51,046 INFO L225 Difference]: With dead ends: 3757 [2020-09-16 13:55:51,047 INFO L226 Difference]: Without dead ends: 3757 [2020-09-16 13:55:51,051 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 368 GetRequests, 113 SyntacticMatches, 1 SemanticMatches, 254 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30657 ImplicationChecksByTransitivity, 16.3s TimeCoverageRelationStatistics Valid=12002, Invalid=53278, Unknown=0, NotChecked=0, Total=65280 [2020-09-16 13:55:51,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3757 states. [2020-09-16 13:55:51,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3757 to 1656. [2020-09-16 13:55:51,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1656 states. [2020-09-16 13:55:51,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1656 states to 1656 states and 3002 transitions. [2020-09-16 13:55:51,091 INFO L78 Accepts]: Start accepts. Automaton has 1656 states and 3002 transitions. Word has length 128 [2020-09-16 13:55:51,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 13:55:51,091 INFO L479 AbstractCegarLoop]: Abstraction has 1656 states and 3002 transitions. [2020-09-16 13:55:51,091 INFO L480 AbstractCegarLoop]: Interpolant automaton has 32 states. [2020-09-16 13:55:51,091 INFO L276 IsEmpty]: Start isEmpty. Operand 1656 states and 3002 transitions. [2020-09-16 13:55:51,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-09-16 13:55:51,096 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 13:55:51,096 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] [2020-09-16 13:55:51,310 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-16 13:55:51,310 INFO L427 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-16 13:55:51,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 13:55:51,311 INFO L82 PathProgramCache]: Analyzing trace with hash 883192735, now seen corresponding path program 10 times [2020-09-16 13:55:51,311 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 13:55:51,312 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073754136] [2020-09-16 13:55:51,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 13:55:51,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 13:55:51,803 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 0 proven. 717 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:55:51,803 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073754136] [2020-09-16 13:55:51,803 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1162085897] [2020-09-16 13:55:51,803 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 [2020-09-16 13:57:11,835 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-09-16 13:57:11,836 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-16 13:57:14,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 17 conjunts are in the unsatisfiable core [2020-09-16 13:57:14,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-16 13:57:14,197 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 0 proven. 717 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:57:14,197 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-16 13:57:14,197 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 19 [2020-09-16 13:57:14,198 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580930698] [2020-09-16 13:57:14,198 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-16 13:57:14,198 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 13:57:14,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-16 13:57:14,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=171, Unknown=0, NotChecked=0, Total=342 [2020-09-16 13:57:14,199 INFO L87 Difference]: Start difference. First operand 1656 states and 3002 transitions. Second operand 19 states. [2020-09-16 13:57:14,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 13:57:14,359 INFO L93 Difference]: Finished difference Result 1888 states and 3416 transitions. [2020-09-16 13:57:14,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-16 13:57:14,360 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 136 [2020-09-16 13:57:14,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 13:57:14,369 INFO L225 Difference]: With dead ends: 1888 [2020-09-16 13:57:14,369 INFO L226 Difference]: Without dead ends: 1888 [2020-09-16 13:57:14,369 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=171, Invalid=171, Unknown=0, NotChecked=0, Total=342 [2020-09-16 13:57:14,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1888 states. [2020-09-16 13:57:14,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1888 to 1780. [2020-09-16 13:57:14,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1780 states. [2020-09-16 13:57:14,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1780 states to 1780 states and 3223 transitions. [2020-09-16 13:57:14,403 INFO L78 Accepts]: Start accepts. Automaton has 1780 states and 3223 transitions. Word has length 136 [2020-09-16 13:57:14,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 13:57:14,404 INFO L479 AbstractCegarLoop]: Abstraction has 1780 states and 3223 transitions. [2020-09-16 13:57:14,404 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-09-16 13:57:14,404 INFO L276 IsEmpty]: Start isEmpty. Operand 1780 states and 3223 transitions. [2020-09-16 13:57:14,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-09-16 13:57:14,412 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 13:57:14,412 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] [2020-09-16 13:57:14,627 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-16 13:57:14,627 INFO L427 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-16 13:57:14,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 13:57:14,628 INFO L82 PathProgramCache]: Analyzing trace with hash 851330655, now seen corresponding path program 11 times [2020-09-16 13:57:14,628 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 13:57:14,629 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123411460] [2020-09-16 13:57:14,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 13:57:14,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 13:57:15,213 INFO L134 CoverageAnalysis]: Checked inductivity of 826 backedges. 0 proven. 826 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:57:15,213 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123411460] [2020-09-16 13:57:15,214 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [21206900] [2020-09-16 13:57:15,214 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 [2020-09-16 13:57:18,352 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2020-09-16 13:57:18,352 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-16 13:57:18,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 183 conjunts are in the unsatisfiable core [2020-09-16 13:57:18,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-16 13:57:18,471 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2020-09-16 13:57:18,471 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:57:18,474 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:57:18,474 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:57:18,474 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:12 [2020-09-16 13:57:18,540 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:57:18,541 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 63 [2020-09-16 13:57:18,542 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:57:18,544 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:57:18,591 INFO L625 ElimStorePlain]: treesize reduction 24, result has 63.1 percent of original size [2020-09-16 13:57:18,593 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:57:18,596 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-16 13:57:18,596 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:31, output treesize:36 [2020-09-16 13:57:18,709 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:57:18,744 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:57:18,744 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 [2020-09-16 13:57:18,745 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-09-16 13:57:18,745 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-16 13:57:18,746 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-09-16 13:57:18,751 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-16 13:57:18,773 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:57:18,773 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 [2020-09-16 13:57:18,775 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2020-09-16 13:57:18,775 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-09-16 13:57:18,776 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2020-09-16 13:57:18,885 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 45 [2020-09-16 13:57:18,886 INFO L625 ElimStorePlain]: treesize reduction 136, result has 35.5 percent of original size [2020-09-16 13:57:18,888 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-16 13:57:18,889 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:91, output treesize:49 [2020-09-16 13:57:18,959 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:57:18,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:57:18,980 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 [2020-09-16 13:57:18,980 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:57:18,987 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 [2020-09-16 13:57:18,987 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-16 13:57:19,022 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:57:19,023 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-16 13:57:19,024 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:79, output treesize:49 [2020-09-16 13:57:19,102 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 [2020-09-16 13:57:19,103 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:57:19,106 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:57:19,106 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:57:19,106 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:9 [2020-09-16 13:57:19,166 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:57:19,166 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 [2020-09-16 13:57:19,167 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:57:19,214 INFO L625 ElimStorePlain]: treesize reduction 24, result has 62.5 percent of original size [2020-09-16 13:57:19,215 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:57:19,217 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-16 13:57:19,217 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:35 [2020-09-16 13:57:19,343 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:57:19,354 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-16 13:57:19,359 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-16 13:57:19,387 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:57:19,388 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 [2020-09-16 13:57:19,388 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:57:19,419 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:57:19,419 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 [2020-09-16 13:57:19,420 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:57:19,421 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-16 13:57:19,547 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2020-09-16 13:57:19,548 INFO L625 ElimStorePlain]: treesize reduction 50, result has 64.8 percent of original size [2020-09-16 13:57:19,551 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-16 13:57:19,551 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:96, output treesize:48 [2020-09-16 13:57:19,630 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:57:19,648 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 [2020-09-16 13:57:19,648 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:57:19,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:57:19,665 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 [2020-09-16 13:57:19,666 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-16 13:57:19,716 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:57:19,717 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-16 13:57:19,717 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-09-16 13:57:19,902 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 1] term [2020-09-16 13:57:19,903 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-16 13:57:19,913 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 [2020-09-16 13:57:19,914 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:57:19,935 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:57:19,939 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 [2020-09-16 13:57:19,940 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-16 13:57:19,963 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:57:19,963 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-16 13:57:19,964 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:98, output treesize:47 [2020-09-16 13:57:20,032 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:57:20,088 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:57:20,089 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 [2020-09-16 13:57:20,089 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:57:20,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:57:20,101 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 [2020-09-16 13:57:20,102 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-16 13:57:20,205 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-09-16 13:57:20,206 INFO L625 ElimStorePlain]: treesize reduction 24, result has 79.3 percent of original size [2020-09-16 13:57:20,208 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:57:20,213 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-09-16 13:57:20,213 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:86, output treesize:70 [2020-09-16 13:57:20,375 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:57:20,384 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-16 13:57:20,388 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-16 13:57:20,413 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:57:20,413 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 [2020-09-16 13:57:20,414 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:57:20,439 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:57:20,439 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 [2020-09-16 13:57:20,440 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-09-16 13:57:20,441 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-16 13:57:20,441 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2020-09-16 13:57:20,571 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 48 [2020-09-16 13:57:20,574 INFO L625 ElimStorePlain]: treesize reduction 53, result has 61.3 percent of original size [2020-09-16 13:57:20,577 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-16 13:57:20,578 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:90, output treesize:48 [2020-09-16 13:57:20,670 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:57:20,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:57:20,685 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 [2020-09-16 13:57:20,685 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:57:20,692 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 [2020-09-16 13:57:20,692 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-16 13:57:20,738 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:57:20,739 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-16 13:57:20,740 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-09-16 13:57:20,954 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 1] term [2020-09-16 13:57:20,954 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-16 13:57:20,969 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 [2020-09-16 13:57:20,970 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:57:21,022 INFO L625 ElimStorePlain]: treesize reduction 10, result has 87.3 percent of original size [2020-09-16 13:57:21,026 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 [2020-09-16 13:57:21,027 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-16 13:57:21,053 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:57:21,054 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-16 13:57:21,054 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:98, output treesize:49 [2020-09-16 13:57:21,130 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:57:21,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:57:21,148 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 [2020-09-16 13:57:21,149 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:57:21,190 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:57:21,190 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 [2020-09-16 13:57:21,191 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-16 13:57:21,299 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-09-16 13:57:21,299 INFO L625 ElimStorePlain]: treesize reduction 24, result has 79.3 percent of original size [2020-09-16 13:57:21,301 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:57:21,303 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-09-16 13:57:21,303 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:86, output treesize:70 [2020-09-16 13:57:21,517 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:57:21,548 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:57:21,549 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 [2020-09-16 13:57:21,550 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-09-16 13:57:21,550 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-16 13:57:21,551 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-09-16 13:57:21,556 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-16 13:57:21,576 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:57:21,576 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 [2020-09-16 13:57:21,577 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-16 13:57:21,685 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 47 [2020-09-16 13:57:21,686 INFO L625 ElimStorePlain]: treesize reduction 53, result has 61.3 percent of original size [2020-09-16 13:57:21,688 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-16 13:57:21,688 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:90, output treesize:48 [2020-09-16 13:57:21,789 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:57:21,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:57:21,806 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 [2020-09-16 13:57:21,806 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:57:21,813 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 [2020-09-16 13:57:21,814 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-16 13:57:21,862 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:57:21,863 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-16 13:57:21,863 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-09-16 13:57:22,091 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 1] term [2020-09-16 13:57:22,092 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-16 13:57:22,104 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 [2020-09-16 13:57:22,105 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:57:22,149 INFO L625 ElimStorePlain]: treesize reduction 10, result has 87.3 percent of original size [2020-09-16 13:57:22,153 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 [2020-09-16 13:57:22,154 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-16 13:57:22,178 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:57:22,178 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-16 13:57:22,179 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:98, output treesize:49 [2020-09-16 13:57:22,282 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:57:22,329 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:57:22,329 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 [2020-09-16 13:57:22,330 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:57:22,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:57:22,341 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 [2020-09-16 13:57:22,341 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-16 13:57:22,452 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-09-16 13:57:22,453 INFO L625 ElimStorePlain]: treesize reduction 24, result has 79.3 percent of original size [2020-09-16 13:57:22,454 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:57:22,457 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-09-16 13:57:22,458 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:86, output treesize:70 [2020-09-16 13:57:22,659 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:57:22,694 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:57:22,694 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 [2020-09-16 13:57:22,696 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-09-16 13:57:22,696 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-16 13:57:22,697 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-09-16 13:57:22,702 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-16 13:57:22,725 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:57:22,726 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 [2020-09-16 13:57:22,726 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-16 13:57:22,832 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 47 [2020-09-16 13:57:22,833 INFO L625 ElimStorePlain]: treesize reduction 53, result has 61.3 percent of original size [2020-09-16 13:57:22,835 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-16 13:57:22,835 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:90, output treesize:48 [2020-09-16 13:57:22,937 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:57:22,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:57:22,959 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 [2020-09-16 13:57:22,959 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:57:22,967 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 [2020-09-16 13:57:22,968 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-16 13:57:23,012 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:57:23,013 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-16 13:57:23,014 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-09-16 13:57:23,162 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 [2020-09-16 13:57:23,164 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:57:23,178 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:57:23,179 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:57:23,179 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:34 [2020-09-16 13:57:23,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:57:23,262 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 25 treesize of output 24 [2020-09-16 13:57:23,263 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:57:23,284 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:57:23,285 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:57:23,285 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:54, output treesize:34 [2020-09-16 13:57:23,480 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-16 13:57:23,500 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:57:23,501 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 [2020-09-16 13:57:23,502 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:57:23,560 INFO L625 ElimStorePlain]: treesize reduction 30, result has 64.3 percent of original size [2020-09-16 13:57:23,561 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:57:23,562 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:64, output treesize:40 [2020-09-16 13:57:23,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:57:23,675 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 [2020-09-16 13:57:23,676 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:57:23,700 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:57:23,701 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:57:23,702 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:40 [2020-09-16 13:57:23,824 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 [2020-09-16 13:57:23,824 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:57:23,841 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:57:23,842 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:57:23,842 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:34 [2020-09-16 13:57:23,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:57:23,935 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 [2020-09-16 13:57:23,936 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:57:23,953 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:57:23,954 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:57:23,955 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:54, output treesize:34 [2020-09-16 13:57:24,163 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-16 13:57:24,183 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:57:24,183 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 [2020-09-16 13:57:24,184 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-16 13:57:24,185 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:57:24,251 INFO L625 ElimStorePlain]: treesize reduction 35, result has 63.2 percent of original size [2020-09-16 13:57:24,252 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:57:24,253 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:64, output treesize:40 [2020-09-16 13:57:24,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:57:24,378 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 [2020-09-16 13:57:24,378 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:57:24,403 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:57:24,404 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:57:24,404 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:40 [2020-09-16 13:57:24,535 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 [2020-09-16 13:57:24,535 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:57:24,549 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:57:24,549 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:57:24,550 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:34 [2020-09-16 13:57:24,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:57:24,642 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 [2020-09-16 13:57:24,643 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:57:24,665 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:57:24,666 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:57:24,666 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:54, output treesize:34 [2020-09-16 13:57:24,886 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-16 13:57:24,906 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:57:24,907 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 [2020-09-16 13:57:24,907 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-16 13:57:24,908 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:57:24,977 INFO L625 ElimStorePlain]: treesize reduction 35, result has 63.2 percent of original size [2020-09-16 13:57:24,979 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:57:24,979 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:64, output treesize:40 [2020-09-16 13:57:25,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-16 13:57:25,108 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 [2020-09-16 13:57:25,109 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:57:25,131 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:57:25,132 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:57:25,132 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:40 [2020-09-16 13:57:25,298 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 [2020-09-16 13:57:25,299 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:57:25,314 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:57:25,314 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:57:25,315 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:34 [2020-09-16 13:57:25,447 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:57:25,448 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2020-09-16 13:57:25,448 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-16 13:57:25,454 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:57:25,491 INFO L625 ElimStorePlain]: treesize reduction 44, result has 49.4 percent of original size [2020-09-16 13:57:25,494 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:57:25,494 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:47, output treesize:9 [2020-09-16 13:57:25,654 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:57:25,654 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 [2020-09-16 13:57:25,655 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-16 13:57:25,656 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:57:25,692 INFO L625 ElimStorePlain]: treesize reduction 35, result has 46.2 percent of original size [2020-09-16 13:57:25,693 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:57:25,694 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:34, output treesize:9 [2020-09-16 13:57:25,772 INFO L350 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2020-09-16 13:57:25,773 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 [2020-09-16 13:57:25,773 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-16 13:57:25,783 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-16 13:57:25,784 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-16 13:57:25,784 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:9 [2020-09-16 13:57:25,875 INFO L134 CoverageAnalysis]: Checked inductivity of 826 backedges. 619 proven. 131 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-09-16 13:57:25,875 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-16 13:57:25,875 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 52] total 69 [2020-09-16 13:57:25,876 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416220489] [2020-09-16 13:57:25,876 INFO L459 AbstractCegarLoop]: Interpolant automaton has 69 states [2020-09-16 13:57:25,876 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-16 13:57:25,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2020-09-16 13:57:25,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=710, Invalid=3982, Unknown=0, NotChecked=0, Total=4692 [2020-09-16 13:57:25,878 INFO L87 Difference]: Start difference. First operand 1780 states and 3223 transitions. Second operand 69 states. [2020-09-16 13:57:37,780 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 36 [2020-09-16 13:57:40,006 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2020-09-16 13:57:41,532 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 40 [2020-09-16 13:57:43,062 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 36 [2020-09-16 13:57:43,376 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-09-16 13:57:44,398 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-09-16 13:57:44,686 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2020-09-16 13:57:45,125 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2020-09-16 13:57:47,332 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 40 [2020-09-16 13:57:47,571 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2020-09-16 13:57:49,185 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 36 [2020-09-16 13:57:49,499 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-09-16 13:57:49,807 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-09-16 13:57:50,814 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2020-09-16 13:57:51,246 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 36 [2020-09-16 13:57:51,866 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2020-09-16 13:57:52,032 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2020-09-16 13:57:52,642 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 41 [2020-09-16 13:57:53,854 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 38 [2020-09-16 13:57:54,223 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 42 [2020-09-16 13:57:55,083 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 40 [2020-09-16 13:57:55,669 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 33 [2020-09-16 13:57:56,095 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 44 [2020-09-16 13:57:56,281 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-09-16 13:57:56,460 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-09-16 13:57:57,677 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-09-16 13:57:58,120 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 33 [2020-09-16 13:57:59,189 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 38 [2020-09-16 13:57:59,591 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 36 [2020-09-16 13:58:00,316 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2020-09-16 13:58:00,501 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2020-09-16 13:58:00,678 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2020-09-16 13:58:01,131 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 41 [2020-09-16 13:58:02,303 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 35 [2020-09-16 13:58:02,822 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 42 [2020-09-16 13:58:03,716 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 38 [2020-09-16 13:58:03,878 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 39 [2020-09-16 13:58:04,071 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 40 [2020-09-16 13:58:04,431 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-09-16 13:58:04,876 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 44 [2020-09-16 13:58:05,080 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-09-16 13:58:05,558 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-09-16 13:58:06,874 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 42 [2020-09-16 13:58:07,549 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 33 [2020-09-16 13:58:07,904 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2020-09-16 13:58:08,357 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 44 [2020-09-16 13:58:08,779 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 36 [2020-09-16 13:58:09,606 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 38 [2020-09-16 13:58:09,786 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2020-09-16 13:58:09,976 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2020-09-16 13:58:10,533 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 41 [2020-09-16 13:58:11,632 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 40 [2020-09-16 13:58:11,916 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-09-16 13:58:12,175 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 44 [2020-09-16 13:58:12,550 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 34 [2020-09-16 13:58:12,725 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-09-16 13:58:13,433 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 35 [2020-09-16 13:58:13,629 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 38 [2020-09-16 13:58:13,792 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 39 [2020-09-16 13:58:14,332 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-09-16 13:58:15,134 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-09-16 13:58:15,358 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-09-16 13:58:15,582 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2020-09-16 13:58:16,319 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 36 [2020-09-16 13:58:16,509 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2020-09-16 13:58:17,384 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 42 [2020-09-16 13:58:17,575 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 33 [2020-09-16 13:58:17,861 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2020-09-16 13:58:18,212 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 41 [2020-09-16 13:58:19,322 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 44 [2020-09-16 13:58:19,580 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 38 [2020-09-16 13:58:19,775 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2020-09-16 13:58:20,671 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 40 [2020-09-16 13:58:20,964 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-09-16 13:58:21,158 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2020-09-16 13:58:21,590 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 39 [2020-09-16 13:58:21,912 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 34 [2020-09-16 13:58:22,184 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 44 [2020-09-16 13:58:23,120 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-09-16 13:58:23,449 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-09-16 13:58:23,920 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 35 [2020-09-16 13:58:24,132 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 38 [2020-09-16 13:58:25,661 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-09-16 13:58:26,093 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2020-09-16 13:58:26,376 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 36 [2020-09-16 13:58:26,593 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2020-09-16 13:58:27,520 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 42 [2020-09-16 13:58:27,725 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 33 [2020-09-16 13:58:27,948 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2020-09-16 13:58:28,313 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 41 [2020-09-16 13:58:29,448 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 44 [2020-09-16 13:58:29,732 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 38 [2020-09-16 13:58:30,690 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 40 [2020-09-16 13:58:30,944 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 39 [2020-09-16 13:58:31,730 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-09-16 13:58:31,949 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2020-09-16 13:58:32,311 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 38 [2020-09-16 13:58:32,695 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 34 [2020-09-16 13:58:32,961 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 34 [2020-09-16 13:58:33,263 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 44 [2020-09-16 13:58:33,485 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 33 [2020-09-16 13:58:33,904 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2020-09-16 13:58:34,675 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-09-16 13:58:34,908 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-09-16 13:58:35,291 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 35 [2020-09-16 13:58:35,587 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-09-16 13:58:36,479 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-09-16 13:58:36,752 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 33 [2020-09-16 13:58:37,106 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2020-09-16 13:58:37,317 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2020-09-16 13:58:37,672 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 36 [2020-09-16 13:58:37,892 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2020-09-16 13:58:38,794 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2020-09-16 13:58:39,381 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 42 [2020-09-16 13:58:39,690 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 38 [2020-09-16 13:58:40,106 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 41 [2020-09-16 13:58:41,075 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 44 [2020-09-16 13:58:42,101 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 39 [2020-09-16 13:58:42,348 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 36 [2020-09-16 13:58:42,572 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 40 [2020-09-16 13:58:42,894 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 38 [2020-09-16 13:58:43,188 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-09-16 13:58:43,995 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2020-09-16 13:58:44,241 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 35 [2020-09-16 13:58:44,649 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 33 [2020-09-16 13:58:45,109 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 34 [2020-09-16 13:58:45,354 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 34 [2020-09-16 13:58:45,684 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 44 [2020-09-16 13:58:45,994 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-09-16 13:58:46,273 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-09-16 13:58:46,705 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2020-09-16 13:58:47,426 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-09-16 13:58:47,719 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-09-16 13:58:48,311 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 33 [2020-09-16 13:58:49,236 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 42 [2020-09-16 13:58:49,635 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2020-09-16 13:58:50,215 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 36 [2020-09-16 13:58:50,435 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2020-09-16 13:58:50,657 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2020-09-16 13:58:50,991 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 38 [2020-09-16 13:58:52,421 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 44 [2020-09-16 13:58:53,102 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 41 [2020-09-16 13:58:54,739 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2020-09-16 13:58:54,980 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 38 [2020-09-16 13:58:55,408 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 39 [2020-09-16 13:58:55,643 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 40 [2020-09-16 13:58:55,887 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 35 [2020-09-16 13:58:56,232 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-09-16 13:58:57,429 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 44 [2020-09-16 13:58:57,727 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 34 [2020-09-16 13:58:57,990 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-09-16 13:58:58,514 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 33 [2020-09-16 13:58:58,787 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 34 [2020-09-16 13:58:59,150 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-09-16 13:58:59,431 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-09-16 13:58:59,913 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-09-16 13:59:00,209 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2020-09-16 13:59:01,110 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 33 [2020-09-16 13:59:01,804 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 42 [2020-09-16 13:59:03,066 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 36 [2020-09-16 13:59:03,287 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2020-09-16 13:59:03,889 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 38 [2020-09-16 13:59:04,414 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2020-09-16 13:59:04,677 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2020-09-16 13:59:05,156 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 44 [2020-09-16 13:59:06,191 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2020-09-16 13:59:06,546 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 41 [2020-09-16 13:59:07,982 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2020-09-16 13:59:08,954 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 40 [2020-09-16 13:59:09,436 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-09-16 13:59:09,705 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 35 [2020-09-16 13:59:10,217 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 38 [2020-09-16 13:59:10,444 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 39 [2020-09-16 13:59:10,838 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 44 [2020-09-16 13:59:11,105 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 34 [2020-09-16 13:59:11,387 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-09-16 13:59:12,555 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 34 [2020-09-16 13:59:13,173 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-09-16 13:59:13,480 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 38 [2020-09-16 13:59:13,773 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 33 [2020-09-16 13:59:14,706 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-09-16 13:59:15,121 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-09-16 13:59:15,444 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2020-09-16 13:59:15,884 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 40 [2020-09-16 13:59:16,165 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 31 [2020-09-16 13:59:16,564 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 34 [2020-09-16 13:59:16,843 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 38 [2020-09-16 13:59:17,279 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 37 [2020-09-16 13:59:18,062 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 42 [2020-09-16 13:59:18,671 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 36 [2020-09-16 13:59:19,017 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 36 [2020-09-16 13:59:19,435 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 39 [2020-09-16 13:59:20,541 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 38 [2020-09-16 13:59:20,797 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2020-09-16 13:59:21,092 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2020-09-16 13:59:21,345 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 37 [2020-09-16 13:59:21,824 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 42 [2020-09-16 13:59:22,333 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 33 [2020-09-16 13:59:22,612 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 36 [2020-09-16 13:59:22,870 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 32 [2020-09-16 13:59:23,137 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 32 [2020-09-16 13:59:23,878 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-09-16 13:59:24,195 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2020-09-16 13:59:24,622 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 31 [2020-09-16 13:59:24,912 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2020-09-16 13:59:25,204 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 36 [2020-09-16 13:59:25,623 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 37 [2020-09-16 13:59:25,946 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 37 [2020-09-16 13:59:29,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-16 13:59:29,648 INFO L93 Difference]: Finished difference Result 8295 states and 14818 transitions. [2020-09-16 13:59:29,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 683 states. [2020-09-16 13:59:29,650 INFO L78 Accepts]: Start accepts. Automaton has 69 states. Word has length 144 [2020-09-16 13:59:29,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-16 13:59:29,669 INFO L225 Difference]: With dead ends: 8295 [2020-09-16 13:59:29,669 INFO L226 Difference]: Without dead ends: 8295 [2020-09-16 13:59:29,688 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1476 GetRequests, 752 SyntacticMatches, 0 SemanticMatches, 724 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 261314 ImplicationChecksByTransitivity, 106.5s TimeCoverageRelationStatistics Valid=56454, Invalid=469896, Unknown=0, NotChecked=0, Total=526350 [2020-09-16 13:59:29,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8295 states. [2020-09-16 13:59:29,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8295 to 4676. [2020-09-16 13:59:29,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4676 states. [2020-09-16 13:59:29,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4676 states to 4676 states and 8323 transitions. [2020-09-16 13:59:29,831 INFO L78 Accepts]: Start accepts. Automaton has 4676 states and 8323 transitions. Word has length 144 [2020-09-16 13:59:29,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-16 13:59:29,831 INFO L479 AbstractCegarLoop]: Abstraction has 4676 states and 8323 transitions. [2020-09-16 13:59:29,832 INFO L480 AbstractCegarLoop]: Interpolant automaton has 69 states. [2020-09-16 13:59:29,832 INFO L276 IsEmpty]: Start isEmpty. Operand 4676 states and 8323 transitions. [2020-09-16 13:59:29,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-09-16 13:59:29,846 INFO L414 BasicCegarLoop]: Found error trace [2020-09-16 13:59:29,846 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] [2020-09-16 13:59:30,060 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-16 13:59:30,061 INFO L427 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-16 13:59:30,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-16 13:59:30,061 INFO L82 PathProgramCache]: Analyzing trace with hash 1631580575, now seen corresponding path program 12 times [2020-09-16 13:59:30,062 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-16 13:59:30,062 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295985376] [2020-09-16 13:59:30,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-16 13:59:30,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-16 13:59:30,936 INFO L134 CoverageAnalysis]: Checked inductivity of 943 backedges. 0 proven. 943 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-16 13:59:30,936 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295985376] [2020-09-16 13:59:30,936 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1196124564] [2020-09-16 13:59:30,937 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