/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 0.1.25-60655ea [2020-09-14 12:37:02,592 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-14 12:37:02,595 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-14 12:37:02,620 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-14 12:37:02,620 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-14 12:37:02,621 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-14 12:37:02,623 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-14 12:37:02,624 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-14 12:37:02,626 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-14 12:37:02,627 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-14 12:37:02,628 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-14 12:37:02,629 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-14 12:37:02,630 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-14 12:37:02,631 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-14 12:37:02,632 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-14 12:37:02,633 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-14 12:37:02,634 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-14 12:37:02,635 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-14 12:37:02,637 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-14 12:37:02,639 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-14 12:37:02,640 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-14 12:37:02,641 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-14 12:37:02,642 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-14 12:37:02,643 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-14 12:37:02,646 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-14 12:37:02,646 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-14 12:37:02,646 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-14 12:37:02,647 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-14 12:37:02,648 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-14 12:37:02,649 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-14 12:37:02,649 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-14 12:37:02,650 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-14 12:37:02,651 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-14 12:37:02,652 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-14 12:37:02,653 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-14 12:37:02,653 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-14 12:37:02,654 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-14 12:37:02,654 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-14 12:37:02,655 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-14 12:37:02,656 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-14 12:37:02,657 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-14 12:37:02,658 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-14 12:37:02,684 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-14 12:37:02,685 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-14 12:37:02,686 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-14 12:37:02,686 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-14 12:37:02,686 INFO L138 SettingsManager]: * Use SBE=true [2020-09-14 12:37:02,687 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-14 12:37:02,687 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-14 12:37:02,687 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-14 12:37:02,687 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-14 12:37:02,687 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-14 12:37:02,688 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-14 12:37:02,688 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-14 12:37:02,688 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-14 12:37:02,688 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-14 12:37:02,688 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-14 12:37:02,689 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-14 12:37:02,689 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-14 12:37:02,689 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-14 12:37:02,689 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-14 12:37:02,690 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-14 12:37:02,690 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-14 12:37:02,690 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-14 12:37:02,690 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-14 12:37:02,690 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-14 12:37:02,691 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-14 12:37:02,691 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-14 12:37:02,691 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-14 12:37:02,691 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-14 12:37:02,691 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-14 12:37:02,692 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-14 12:37:03,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-14 12:37:03,151 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-14 12:37:03,156 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-14 12:37:03,160 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-14 12:37:03,160 INFO L275 PluginConnector]: CDTParser initialized [2020-09-14 12:37:03,162 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue_ok_longest.i [2020-09-14 12:37:03,250 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c4651b290/ffa435af80e64bc6a82df0150a133ff0/FLAGd43cf1043 [2020-09-14 12:37:03,931 INFO L306 CDTParser]: Found 1 translation units. [2020-09-14 12:37:03,932 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread/queue_ok_longest.i [2020-09-14 12:37:03,951 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c4651b290/ffa435af80e64bc6a82df0150a133ff0/FLAGd43cf1043 [2020-09-14 12:37:04,155 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c4651b290/ffa435af80e64bc6a82df0150a133ff0 [2020-09-14 12:37:04,168 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-14 12:37:04,174 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-09-14 12:37:04,175 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-14 12:37:04,176 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-14 12:37:04,180 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-14 12:37:04,181 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.09 12:37:04" (1/1) ... [2020-09-14 12:37:04,185 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17e587d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 12:37:04, skipping insertion in model container [2020-09-14 12:37:04,185 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.09 12:37:04" (1/1) ... [2020-09-14 12:37:04,194 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-14 12:37:04,275 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-14 12:37:04,886 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-14 12:37:04,902 INFO L203 MainTranslator]: Completed pre-run [2020-09-14 12:37:04,964 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-14 12:37:05,117 INFO L208 MainTranslator]: Completed translation [2020-09-14 12:37:05,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 12:37:05 WrapperNode [2020-09-14 12:37:05,118 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-14 12:37:05,119 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-09-14 12:37:05,119 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-09-14 12:37:05,119 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-09-14 12:37:05,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 12:37:05" (1/1) ... [2020-09-14 12:37:05,156 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 12:37:05" (1/1) ... [2020-09-14 12:37:05,195 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-09-14 12:37:05,195 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-14 12:37:05,196 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-14 12:37:05,196 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-14 12:37:05,208 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 12:37:05" (1/1) ... [2020-09-14 12:37:05,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 12:37:05" (1/1) ... [2020-09-14 12:37:05,214 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 12:37:05" (1/1) ... [2020-09-14 12:37:05,215 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 12:37:05" (1/1) ... [2020-09-14 12:37:05,228 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 12:37:05" (1/1) ... [2020-09-14 12:37:05,244 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 12:37:05" (1/1) ... [2020-09-14 12:37:05,249 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 12:37:05" (1/1) ... [2020-09-14 12:37:05,257 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-14 12:37:05,258 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-14 12:37:05,258 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-14 12:37:05,258 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-14 12:37:05,259 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 12:37:05" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-14 12:37:05,339 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-09-14 12:37:05,339 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-09-14 12:37:05,339 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-09-14 12:37:05,339 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-09-14 12:37:05,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-14 12:37:05,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-14 12:37:05,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-14 12:37:05,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-14 12:37:05,342 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-09-14 12:37:05,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-14 12:37:05,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-14 12:37:05,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-14 12:37:05,345 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-09-14 12:37:06,022 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-14 12:37:06,023 INFO L295 CfgBuilder]: Removed 16 assume(true) statements. [2020-09-14 12:37:06,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.09 12:37:06 BoogieIcfgContainer [2020-09-14 12:37:06,028 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-14 12:37:06,029 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-14 12:37:06,029 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-14 12:37:06,032 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-14 12:37:06,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.09 12:37:04" (1/3) ... [2020-09-14 12:37:06,034 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17bc4931 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.09 12:37:06, skipping insertion in model container [2020-09-14 12:37:06,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 12:37:05" (2/3) ... [2020-09-14 12:37:06,034 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17bc4931 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.09 12:37:06, skipping insertion in model container [2020-09-14 12:37:06,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.09 12:37:06" (3/3) ... [2020-09-14 12:37:06,037 INFO L109 eAbstractionObserver]: Analyzing ICFG queue_ok_longest.i [2020-09-14 12:37:06,048 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-09-14 12:37:06,048 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-14 12:37:06,058 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-09-14 12:37:06,059 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-14 12:37:06,098 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,098 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,098 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,098 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,099 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,099 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,099 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,100 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,100 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,100 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,100 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,101 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,101 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,101 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,101 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,102 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,102 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,102 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,102 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,102 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,103 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,103 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,103 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,103 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,104 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,104 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,104 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,104 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,104 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,104 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,105 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,105 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,105 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,105 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,105 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,106 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,106 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,106 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,106 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,106 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,107 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,107 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,107 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,107 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,108 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,108 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,108 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,108 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,108 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,109 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,109 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,109 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,109 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,110 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,110 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,110 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,110 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,111 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,111 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,111 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,111 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,111 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,112 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,112 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,112 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,112 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,113 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,113 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,113 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,113 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,113 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,114 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,114 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,114 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,114 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,114 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,115 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,115 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,115 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,115 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,116 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,116 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,116 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,116 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,116 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,117 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,118 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,118 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,119 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,119 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,119 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,119 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,119 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,120 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,120 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,120 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,120 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,121 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,121 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,121 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,122 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,122 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,122 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,122 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,122 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,123 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,123 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,123 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,123 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,123 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,124 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,124 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,124 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,124 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,124 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,125 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,125 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,125 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,125 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,125 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,126 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,126 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,126 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,126 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,126 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,127 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,127 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,127 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,127 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,128 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,128 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,128 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,128 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,128 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,129 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,129 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,129 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,129 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,129 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,130 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,130 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,130 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,130 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,130 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,131 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,131 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,131 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,131 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,131 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,131 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,132 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,132 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,132 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,132 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,132 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,133 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,133 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,133 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,133 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,133 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,134 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,134 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,134 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,134 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,134 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,134 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,135 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,135 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,135 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,135 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,135 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,136 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,136 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,136 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,136 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,136 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,137 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,137 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,137 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,137 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,137 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,138 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,138 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,138 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,138 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,138 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,139 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,139 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,139 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,139 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,139 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,140 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,140 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,140 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,140 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,140 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,141 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,141 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,141 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,141 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,142 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,142 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,142 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,142 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,143 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,143 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,143 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,143 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,143 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,144 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,144 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,144 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,149 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,149 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,149 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,150 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,150 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,150 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,150 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,151 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,151 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,151 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,151 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,151 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,152 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,152 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,152 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,152 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,152 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,153 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,153 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,153 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,153 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,154 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,154 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,163 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,164 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,164 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,164 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,164 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,164 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,165 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,165 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,165 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,165 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,165 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,165 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,166 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,166 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,166 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,166 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,166 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,166 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,167 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,167 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,167 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,167 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,167 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,168 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,168 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,168 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,168 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,169 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,169 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,169 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,169 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,202 INFO L251 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-09-14 12:37:06,230 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-14 12:37:06,230 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-14 12:37:06,230 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-14 12:37:06,230 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-14 12:37:06,230 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-14 12:37:06,230 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-14 12:37:06,231 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-14 12:37:06,231 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-14 12:37:06,251 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 196 places, 204 transitions, 430 flow [2020-09-14 12:37:06,253 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 196 places, 204 transitions, 430 flow [2020-09-14 12:37:06,341 INFO L129 PetriNetUnfolder]: 14/204 cut-off events. [2020-09-14 12:37:06,341 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-09-14 12:37:06,352 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. [2020-09-14 12:37:06,362 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 196 places, 204 transitions, 430 flow [2020-09-14 12:37:06,407 INFO L129 PetriNetUnfolder]: 14/204 cut-off events. [2020-09-14 12:37:06,408 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-09-14 12:37:06,410 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. [2020-09-14 12:37:06,418 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 9440 [2020-09-14 12:37:06,420 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-09-14 12:37:09,845 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2020-09-14 12:37:10,784 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-09-14 12:37:10,940 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-09-14 12:37:11,685 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 122 [2020-09-14 12:37:11,942 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-09-14 12:37:12,994 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 155 DAG size of output: 147 [2020-09-14 12:37:13,424 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-09-14 12:37:13,448 INFO L206 etLargeBlockEncoding]: Checked pairs total: 17748 [2020-09-14 12:37:13,448 INFO L214 etLargeBlockEncoding]: Total number of compositions: 178 [2020-09-14 12:37:13,452 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 53 places, 55 transitions, 132 flow [2020-09-14 12:37:13,496 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 716 states. [2020-09-14 12:37:13,499 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states. [2020-09-14 12:37:13,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2020-09-14 12:37:13,506 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:37:13,507 INFO L422 BasicCegarLoop]: trace histogram [1] [2020-09-14 12:37:13,508 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-14 12:37:13,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:37:13,515 INFO L82 PathProgramCache]: Analyzing trace with hash 810, now seen corresponding path program 1 times [2020-09-14 12:37:13,528 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:37:13,529 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387034907] [2020-09-14 12:37:13,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:37:13,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:37:13,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:37:13,675 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387034907] [2020-09-14 12:37:13,676 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-14 12:37:13,676 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2020-09-14 12:37:13,677 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089924829] [2020-09-14 12:37:13,683 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-09-14 12:37:13,683 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 12:37:13,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-09-14 12:37:13,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-09-14 12:37:13,704 INFO L87 Difference]: Start difference. First operand 716 states. Second operand 2 states. [2020-09-14 12:37:13,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 12:37:13,752 INFO L93 Difference]: Finished difference Result 715 states and 1901 transitions. [2020-09-14 12:37:13,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-09-14 12:37:13,754 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1 [2020-09-14 12:37:13,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 12:37:13,776 INFO L225 Difference]: With dead ends: 715 [2020-09-14 12:37:13,777 INFO L226 Difference]: Without dead ends: 524 [2020-09-14 12:37:13,778 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 [2020-09-14 12:37:13,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2020-09-14 12:37:13,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 524. [2020-09-14 12:37:13,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 524 states. [2020-09-14 12:37:13,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 1400 transitions. [2020-09-14 12:37:13,886 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 1400 transitions. Word has length 1 [2020-09-14 12:37:13,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 12:37:13,886 INFO L479 AbstractCegarLoop]: Abstraction has 524 states and 1400 transitions. [2020-09-14 12:37:13,886 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-09-14 12:37:13,886 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 1400 transitions. [2020-09-14 12:37:13,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-09-14 12:37:13,890 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:37:13,890 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-14 12:37:13,891 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-14 12:37:13,891 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-14 12:37:13,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:37:13,892 INFO L82 PathProgramCache]: Analyzing trace with hash 1385599744, now seen corresponding path program 1 times [2020-09-14 12:37:13,892 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:37:13,892 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539466743] [2020-09-14 12:37:13,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:37:13,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:37:14,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:37:14,053 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539466743] [2020-09-14 12:37:14,053 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-14 12:37:14,053 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-14 12:37:14,054 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593649173] [2020-09-14 12:37:14,057 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-14 12:37:14,057 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 12:37:14,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-14 12:37:14,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-14 12:37:14,059 INFO L87 Difference]: Start difference. First operand 524 states and 1400 transitions. Second operand 3 states. [2020-09-14 12:37:14,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 12:37:14,074 INFO L93 Difference]: Finished difference Result 236 states and 509 transitions. [2020-09-14 12:37:14,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-14 12:37:14,075 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2020-09-14 12:37:14,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 12:37:14,077 INFO L225 Difference]: With dead ends: 236 [2020-09-14 12:37:14,077 INFO L226 Difference]: Without dead ends: 212 [2020-09-14 12:37:14,078 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 [2020-09-14 12:37:14,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2020-09-14 12:37:14,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2020-09-14 12:37:14,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2020-09-14 12:37:14,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 464 transitions. [2020-09-14 12:37:14,089 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 464 transitions. Word has length 15 [2020-09-14 12:37:14,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 12:37:14,089 INFO L479 AbstractCegarLoop]: Abstraction has 212 states and 464 transitions. [2020-09-14 12:37:14,089 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-14 12:37:14,089 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 464 transitions. [2020-09-14 12:37:14,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-09-14 12:37:14,092 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:37:14,092 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-14 12:37:14,092 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-14 12:37:14,093 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-14 12:37:14,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:37:14,093 INFO L82 PathProgramCache]: Analyzing trace with hash 1061498615, now seen corresponding path program 1 times [2020-09-14 12:37:14,093 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:37:14,094 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729459449] [2020-09-14 12:37:14,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:37:14,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:37:14,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:37:14,237 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729459449] [2020-09-14 12:37:14,239 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-14 12:37:14,239 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-14 12:37:14,239 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103741230] [2020-09-14 12:37:14,240 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-14 12:37:14,240 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 12:37:14,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-14 12:37:14,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-14 12:37:14,240 INFO L87 Difference]: Start difference. First operand 212 states and 464 transitions. Second operand 3 states. [2020-09-14 12:37:14,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 12:37:14,275 INFO L93 Difference]: Finished difference Result 272 states and 590 transitions. [2020-09-14 12:37:14,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-14 12:37:14,277 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-09-14 12:37:14,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 12:37:14,280 INFO L225 Difference]: With dead ends: 272 [2020-09-14 12:37:14,280 INFO L226 Difference]: Without dead ends: 272 [2020-09-14 12:37:14,281 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 [2020-09-14 12:37:14,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2020-09-14 12:37:14,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 218. [2020-09-14 12:37:14,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2020-09-14 12:37:14,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 476 transitions. [2020-09-14 12:37:14,304 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 476 transitions. Word has length 19 [2020-09-14 12:37:14,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 12:37:14,304 INFO L479 AbstractCegarLoop]: Abstraction has 218 states and 476 transitions. [2020-09-14 12:37:14,304 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-14 12:37:14,304 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 476 transitions. [2020-09-14 12:37:14,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-14 12:37:14,307 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:37:14,308 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] [2020-09-14 12:37:14,313 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-14 12:37:14,314 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-14 12:37:14,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:37:14,314 INFO L82 PathProgramCache]: Analyzing trace with hash -1197878433, now seen corresponding path program 1 times [2020-09-14 12:37:14,315 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:37:14,315 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522132007] [2020-09-14 12:37:14,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:37:14,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:37:14,430 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:37:14,430 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522132007] [2020-09-14 12:37:14,431 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-14 12:37:14,431 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-14 12:37:14,431 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364563777] [2020-09-14 12:37:14,431 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-14 12:37:14,432 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 12:37:14,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-14 12:37:14,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-14 12:37:14,432 INFO L87 Difference]: Start difference. First operand 218 states and 476 transitions. Second operand 3 states. [2020-09-14 12:37:14,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 12:37:14,449 INFO L93 Difference]: Finished difference Result 166 states and 334 transitions. [2020-09-14 12:37:14,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-14 12:37:14,450 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-09-14 12:37:14,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 12:37:14,451 INFO L225 Difference]: With dead ends: 166 [2020-09-14 12:37:14,451 INFO L226 Difference]: Without dead ends: 164 [2020-09-14 12:37:14,452 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 [2020-09-14 12:37:14,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2020-09-14 12:37:14,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2020-09-14 12:37:14,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2020-09-14 12:37:14,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 331 transitions. [2020-09-14 12:37:14,458 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 331 transitions. Word has length 26 [2020-09-14 12:37:14,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 12:37:14,459 INFO L479 AbstractCegarLoop]: Abstraction has 164 states and 331 transitions. [2020-09-14 12:37:14,459 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-14 12:37:14,459 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 331 transitions. [2020-09-14 12:37:14,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-09-14 12:37:14,461 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:37:14,461 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] [2020-09-14 12:37:14,461 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-14 12:37:14,461 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-14 12:37:14,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:37:14,462 INFO L82 PathProgramCache]: Analyzing trace with hash -969107883, now seen corresponding path program 1 times [2020-09-14 12:37:14,462 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:37:14,463 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334842987] [2020-09-14 12:37:14,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:37:14,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:37:14,559 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:37:14,559 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334842987] [2020-09-14 12:37:14,560 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1235369434] [2020-09-14 12:37:14,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-14 12:37:14,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:37:14,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 3 conjunts are in the unsatisfiable core [2020-09-14 12:37:14,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-14 12:37:14,727 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:37:14,728 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-14 12:37:14,728 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-09-14 12:37:14,728 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126412355] [2020-09-14 12:37:14,729 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-14 12:37:14,729 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 12:37:14,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-14 12:37:14,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-09-14 12:37:14,730 INFO L87 Difference]: Start difference. First operand 164 states and 331 transitions. Second operand 5 states. [2020-09-14 12:37:14,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 12:37:14,759 INFO L93 Difference]: Finished difference Result 240 states and 472 transitions. [2020-09-14 12:37:14,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-14 12:37:14,759 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-09-14 12:37:14,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 12:37:14,761 INFO L225 Difference]: With dead ends: 240 [2020-09-14 12:37:14,761 INFO L226 Difference]: Without dead ends: 240 [2020-09-14 12:37:14,762 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 [2020-09-14 12:37:14,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-09-14 12:37:14,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 204. [2020-09-14 12:37:14,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2020-09-14 12:37:14,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 405 transitions. [2020-09-14 12:37:14,769 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 405 transitions. Word has length 27 [2020-09-14 12:37:14,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 12:37:14,769 INFO L479 AbstractCegarLoop]: Abstraction has 204 states and 405 transitions. [2020-09-14 12:37:14,769 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-14 12:37:14,769 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 405 transitions. [2020-09-14 12:37:14,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-09-14 12:37:14,770 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:37:14,771 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] [2020-09-14 12:37:14,984 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-14 12:37:14,985 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-14 12:37:14,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:37:14,986 INFO L82 PathProgramCache]: Analyzing trace with hash 1561383711, now seen corresponding path program 2 times [2020-09-14 12:37:14,986 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:37:14,987 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108821834] [2020-09-14 12:37:14,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:37:15,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:37:15,101 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:37:15,101 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108821834] [2020-09-14 12:37:15,101 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1105205600] [2020-09-14 12:37:15,102 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-14 12:37:15,264 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-09-14 12:37:15,264 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-14 12:37:15,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 4 conjunts are in the unsatisfiable core [2020-09-14 12:37:15,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-14 12:37:15,298 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:37:15,299 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-14 12:37:15,299 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-09-14 12:37:15,300 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754549880] [2020-09-14 12:37:15,300 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-14 12:37:15,300 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 12:37:15,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-14 12:37:15,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-09-14 12:37:15,301 INFO L87 Difference]: Start difference. First operand 204 states and 405 transitions. Second operand 6 states. [2020-09-14 12:37:15,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 12:37:15,352 INFO L93 Difference]: Finished difference Result 280 states and 546 transitions. [2020-09-14 12:37:15,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-14 12:37:15,354 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2020-09-14 12:37:15,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 12:37:15,356 INFO L225 Difference]: With dead ends: 280 [2020-09-14 12:37:15,356 INFO L226 Difference]: Without dead ends: 280 [2020-09-14 12:37:15,357 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 [2020-09-14 12:37:15,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2020-09-14 12:37:15,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 244. [2020-09-14 12:37:15,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2020-09-14 12:37:15,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 479 transitions. [2020-09-14 12:37:15,364 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 479 transitions. Word has length 34 [2020-09-14 12:37:15,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 12:37:15,365 INFO L479 AbstractCegarLoop]: Abstraction has 244 states and 479 transitions. [2020-09-14 12:37:15,365 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-14 12:37:15,365 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 479 transitions. [2020-09-14 12:37:15,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-09-14 12:37:15,369 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:37:15,369 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] [2020-09-14 12:37:15,583 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-14 12:37:15,583 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-14 12:37:15,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:37:15,584 INFO L82 PathProgramCache]: Analyzing trace with hash -303137003, now seen corresponding path program 3 times [2020-09-14 12:37:15,584 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:37:15,585 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053231901] [2020-09-14 12:37:15,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:37:15,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:37:15,702 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:37:15,703 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053231901] [2020-09-14 12:37:15,703 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [642868351] [2020-09-14 12:37:15,703 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-14 12:37:16,172 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2020-09-14 12:37:16,173 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-14 12:37:16,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 5 conjunts are in the unsatisfiable core [2020-09-14 12:37:16,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-14 12:37:16,208 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:37:16,209 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-14 12:37:16,209 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2020-09-14 12:37:16,209 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503857069] [2020-09-14 12:37:16,210 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-14 12:37:16,210 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 12:37:16,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-14 12:37:16,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-09-14 12:37:16,211 INFO L87 Difference]: Start difference. First operand 244 states and 479 transitions. Second operand 7 states. [2020-09-14 12:37:16,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 12:37:16,259 INFO L93 Difference]: Finished difference Result 320 states and 620 transitions. [2020-09-14 12:37:16,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-14 12:37:16,259 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 41 [2020-09-14 12:37:16,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 12:37:16,261 INFO L225 Difference]: With dead ends: 320 [2020-09-14 12:37:16,262 INFO L226 Difference]: Without dead ends: 320 [2020-09-14 12:37:16,262 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 [2020-09-14 12:37:16,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2020-09-14 12:37:16,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 284. [2020-09-14 12:37:16,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 284 states. [2020-09-14 12:37:16,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 553 transitions. [2020-09-14 12:37:16,271 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 553 transitions. Word has length 41 [2020-09-14 12:37:16,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 12:37:16,271 INFO L479 AbstractCegarLoop]: Abstraction has 284 states and 553 transitions. [2020-09-14 12:37:16,272 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-14 12:37:16,272 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 553 transitions. [2020-09-14 12:37:16,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-09-14 12:37:16,273 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:37:16,273 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] [2020-09-14 12:37:16,489 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-14 12:37:16,490 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-14 12:37:16,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:37:16,491 INFO L82 PathProgramCache]: Analyzing trace with hash 1439404639, now seen corresponding path program 4 times [2020-09-14 12:37:16,491 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:37:16,492 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659321478] [2020-09-14 12:37:16,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:37:16,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:37:16,628 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:37:16,629 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659321478] [2020-09-14 12:37:16,629 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [581443467] [2020-09-14 12:37:16,629 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-14 12:37:16,920 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-09-14 12:37:16,920 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-14 12:37:16,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 6 conjunts are in the unsatisfiable core [2020-09-14 12:37:16,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-14 12:37:16,970 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:37:16,971 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-14 12:37:16,971 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2020-09-14 12:37:16,971 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937753203] [2020-09-14 12:37:16,972 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-14 12:37:16,972 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 12:37:16,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-14 12:37:16,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2020-09-14 12:37:16,973 INFO L87 Difference]: Start difference. First operand 284 states and 553 transitions. Second operand 8 states. [2020-09-14 12:37:17,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 12:37:17,031 INFO L93 Difference]: Finished difference Result 360 states and 694 transitions. [2020-09-14 12:37:17,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-14 12:37:17,032 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 48 [2020-09-14 12:37:17,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 12:37:17,034 INFO L225 Difference]: With dead ends: 360 [2020-09-14 12:37:17,035 INFO L226 Difference]: Without dead ends: 360 [2020-09-14 12:37:17,035 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 [2020-09-14 12:37:17,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-09-14 12:37:17,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 324. [2020-09-14 12:37:17,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324 states. [2020-09-14 12:37:17,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 627 transitions. [2020-09-14 12:37:17,073 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 627 transitions. Word has length 48 [2020-09-14 12:37:17,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 12:37:17,074 INFO L479 AbstractCegarLoop]: Abstraction has 324 states and 627 transitions. [2020-09-14 12:37:17,074 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-14 12:37:17,074 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 627 transitions. [2020-09-14 12:37:17,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-09-14 12:37:17,075 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:37:17,075 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] [2020-09-14 12:37:17,285 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-14 12:37:17,286 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-14 12:37:17,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:37:17,287 INFO L82 PathProgramCache]: Analyzing trace with hash -2001070123, now seen corresponding path program 5 times [2020-09-14 12:37:17,287 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:37:17,287 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468373982] [2020-09-14 12:37:17,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:37:17,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:37:17,447 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:37:17,447 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468373982] [2020-09-14 12:37:17,447 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [124086595] [2020-09-14 12:37:17,448 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-14 12:37:17,718 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2020-09-14 12:37:17,718 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-14 12:37:17,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 39 conjunts are in the unsatisfiable core [2020-09-14 12:37:17,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-14 12:37:17,783 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 [2020-09-14 12:37:17,784 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:17,787 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:17,788 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:37:17,788 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:9 [2020-09-14 12:37:17,838 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:17,839 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 [2020-09-14 12:37:17,840 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:17,870 INFO L625 ElimStorePlain]: treesize reduction 24, result has 62.5 percent of original size [2020-09-14 12:37:17,876 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:37:17,884 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-14 12:37:17,885 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:35 [2020-09-14 12:37:17,961 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:37:18,012 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:18,013 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 [2020-09-14 12:37:18,014 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:37:18,016 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:18,029 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-14 12:37:18,046 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:18,047 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 [2020-09-14 12:37:18,048 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:18,145 INFO L625 ElimStorePlain]: treesize reduction 50, result has 64.8 percent of original size [2020-09-14 12:37:18,158 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-14 12:37:18,159 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:96, output treesize:48 [2020-09-14 12:37:18,206 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:37:18,220 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 [2020-09-14 12:37:18,221 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:18,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:37:18,231 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2020-09-14 12:37:18,231 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:18,270 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:18,272 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-14 12:37:18,272 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-09-14 12:37:18,352 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 [2020-09-14 12:37:18,353 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:18,363 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:18,364 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:37:18,364 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:34 [2020-09-14 12:37:18,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:37:18,432 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 32 [2020-09-14 12:37:18,433 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:18,441 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:18,443 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:37:18,444 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:40, output treesize:9 [2020-09-14 12:37:18,488 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:18,488 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 [2020-09-14 12:37:18,489 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:18,508 INFO L625 ElimStorePlain]: treesize reduction 30, result has 44.4 percent of original size [2020-09-14 12:37:18,510 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:37:18,510 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:34, output treesize:9 [2020-09-14 12:37:18,542 INFO L350 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2020-09-14 12:37:18,543 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 [2020-09-14 12:37:18,543 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:18,548 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:18,549 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:37:18,550 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:9 [2020-09-14 12:37:18,562 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 63 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-09-14 12:37:18,562 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-14 12:37:18,563 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 17 [2020-09-14 12:37:18,563 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009915149] [2020-09-14 12:37:18,563 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-14 12:37:18,564 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 12:37:18,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-14 12:37:18,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2020-09-14 12:37:18,564 INFO L87 Difference]: Start difference. First operand 324 states and 627 transitions. Second operand 17 states. [2020-09-14 12:37:21,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 12:37:21,748 INFO L93 Difference]: Finished difference Result 990 states and 1887 transitions. [2020-09-14 12:37:21,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-09-14 12:37:21,749 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 55 [2020-09-14 12:37:21,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 12:37:21,758 INFO L225 Difference]: With dead ends: 990 [2020-09-14 12:37:21,758 INFO L226 Difference]: Without dead ends: 990 [2020-09-14 12:37:21,760 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 940 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=738, Invalid=2342, Unknown=0, NotChecked=0, Total=3080 [2020-09-14 12:37:21,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 990 states. [2020-09-14 12:37:21,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 990 to 640. [2020-09-14 12:37:21,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 640 states. [2020-09-14 12:37:21,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 1212 transitions. [2020-09-14 12:37:21,778 INFO L78 Accepts]: Start accepts. Automaton has 640 states and 1212 transitions. Word has length 55 [2020-09-14 12:37:21,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 12:37:21,779 INFO L479 AbstractCegarLoop]: Abstraction has 640 states and 1212 transitions. [2020-09-14 12:37:21,779 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-14 12:37:21,779 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 1212 transitions. [2020-09-14 12:37:21,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-09-14 12:37:21,781 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:37:21,781 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] [2020-09-14 12:37:21,994 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-14 12:37:21,994 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-14 12:37:21,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:37:21,995 INFO L82 PathProgramCache]: Analyzing trace with hash 1721466975, now seen corresponding path program 1 times [2020-09-14 12:37:21,995 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:37:21,995 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559073625] [2020-09-14 12:37:21,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:37:22,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:37:22,200 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:37:22,201 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559073625] [2020-09-14 12:37:22,201 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1011868729] [2020-09-14 12:37:22,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-14 12:37:22,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:37:22,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 8 conjunts are in the unsatisfiable core [2020-09-14 12:37:22,353 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-14 12:37:22,376 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:37:22,377 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-14 12:37:22,377 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2020-09-14 12:37:22,377 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445023612] [2020-09-14 12:37:22,378 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-14 12:37:22,378 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 12:37:22,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-14 12:37:22,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2020-09-14 12:37:22,379 INFO L87 Difference]: Start difference. First operand 640 states and 1212 transitions. Second operand 10 states. [2020-09-14 12:37:22,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 12:37:22,452 INFO L93 Difference]: Finished difference Result 828 states and 1557 transitions. [2020-09-14 12:37:22,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-14 12:37:22,453 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 64 [2020-09-14 12:37:22,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 12:37:22,458 INFO L225 Difference]: With dead ends: 828 [2020-09-14 12:37:22,458 INFO L226 Difference]: Without dead ends: 828 [2020-09-14 12:37:22,458 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 [2020-09-14 12:37:22,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2020-09-14 12:37:22,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 740. [2020-09-14 12:37:22,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 740 states. [2020-09-14 12:37:22,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 740 states and 1395 transitions. [2020-09-14 12:37:22,477 INFO L78 Accepts]: Start accepts. Automaton has 740 states and 1395 transitions. Word has length 64 [2020-09-14 12:37:22,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 12:37:22,477 INFO L479 AbstractCegarLoop]: Abstraction has 740 states and 1395 transitions. [2020-09-14 12:37:22,477 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-14 12:37:22,477 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 1395 transitions. [2020-09-14 12:37:22,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-09-14 12:37:22,480 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:37:22,480 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] [2020-09-14 12:37:22,695 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-14 12:37:22,695 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-14 12:37:22,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:37:22,696 INFO L82 PathProgramCache]: Analyzing trace with hash 1068182613, now seen corresponding path program 2 times [2020-09-14 12:37:22,696 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:37:22,696 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147675249] [2020-09-14 12:37:22,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:37:22,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:37:22,923 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:37:22,926 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147675249] [2020-09-14 12:37:22,929 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1810567479] [2020-09-14 12:37:22,929 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-14 12:37:23,149 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-09-14 12:37:23,149 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-14 12:37:23,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 9 conjunts are in the unsatisfiable core [2020-09-14 12:37:23,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-14 12:37:23,184 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:37:23,184 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-14 12:37:23,184 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 11 [2020-09-14 12:37:23,185 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683573190] [2020-09-14 12:37:23,186 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-14 12:37:23,186 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 12:37:23,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-14 12:37:23,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2020-09-14 12:37:23,187 INFO L87 Difference]: Start difference. First operand 740 states and 1395 transitions. Second operand 11 states. [2020-09-14 12:37:23,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 12:37:23,256 INFO L93 Difference]: Finished difference Result 928 states and 1740 transitions. [2020-09-14 12:37:23,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-14 12:37:23,257 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 71 [2020-09-14 12:37:23,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 12:37:23,262 INFO L225 Difference]: With dead ends: 928 [2020-09-14 12:37:23,263 INFO L226 Difference]: Without dead ends: 928 [2020-09-14 12:37:23,263 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 [2020-09-14 12:37:23,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 928 states. [2020-09-14 12:37:23,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 928 to 840. [2020-09-14 12:37:23,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 840 states. [2020-09-14 12:37:23,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 840 states and 1578 transitions. [2020-09-14 12:37:23,284 INFO L78 Accepts]: Start accepts. Automaton has 840 states and 1578 transitions. Word has length 71 [2020-09-14 12:37:23,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 12:37:23,284 INFO L479 AbstractCegarLoop]: Abstraction has 840 states and 1578 transitions. [2020-09-14 12:37:23,284 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-14 12:37:23,285 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1578 transitions. [2020-09-14 12:37:23,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-09-14 12:37:23,287 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:37:23,287 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] [2020-09-14 12:37:23,500 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-14 12:37:23,501 INFO L427 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-14 12:37:23,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:37:23,501 INFO L82 PathProgramCache]: Analyzing trace with hash -1341473003, now seen corresponding path program 3 times [2020-09-14 12:37:23,502 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:37:23,502 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870534985] [2020-09-14 12:37:23,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:37:23,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:37:23,780 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 177 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:37:23,780 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870534985] [2020-09-14 12:37:23,781 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1598670734] [2020-09-14 12:37:23,781 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-14 12:37:24,328 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2020-09-14 12:37:24,328 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-14 12:37:24,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 56 conjunts are in the unsatisfiable core [2020-09-14 12:37:24,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-14 12:37:24,344 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 [2020-09-14 12:37:24,346 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:24,390 INFO L625 ElimStorePlain]: treesize reduction 65, result has 20.7 percent of original size [2020-09-14 12:37:24,392 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:37:24,393 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:20, output treesize:4 [2020-09-14 12:37:24,434 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 [2020-09-14 12:37:24,434 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:24,439 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:24,440 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:37:24,440 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2020-09-14 12:37:24,471 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-14 12:37:24,471 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:24,478 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:24,479 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:37:24,479 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:14 [2020-09-14 12:37:24,526 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-14 12:37:24,541 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:24,542 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 [2020-09-14 12:37:24,544 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:24,573 INFO L625 ElimStorePlain]: treesize reduction 30, result has 53.1 percent of original size [2020-09-14 12:37:24,576 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:37:24,576 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:44, output treesize:20 [2020-09-14 12:37:24,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:37:24,614 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 [2020-09-14 12:37:24,615 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:24,626 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:24,627 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:37:24,627 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:35, output treesize:20 [2020-09-14 12:37:24,663 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 [2020-09-14 12:37:24,664 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:24,671 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:24,671 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:37:24,672 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:38, output treesize:14 [2020-09-14 12:37:24,699 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 [2020-09-14 12:37:24,700 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:24,708 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:24,713 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:37:24,713 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:29, output treesize:9 [2020-09-14 12:37:24,764 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-14 12:37:24,785 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:24,785 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 [2020-09-14 12:37:24,792 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2020-09-14 12:37:24,794 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-09-14 12:37:24,795 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-09-14 12:37:24,830 INFO L625 ElimStorePlain]: treesize reduction 91, result has 26.6 percent of original size [2020-09-14 12:37:24,831 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:37:24,831 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:37, output treesize:16 [2020-09-14 12:37:24,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:37:24,865 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 [2020-09-14 12:37:24,865 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:24,876 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:24,877 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:37:24,878 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:31, output treesize:16 [2020-09-14 12:37:24,882 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 [2020-09-14 12:37:24,883 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:24,885 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:24,885 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:37:24,885 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:1 [2020-09-14 12:37:24,899 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 78 proven. 35 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2020-09-14 12:37:24,900 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-14 12:37:24,900 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2020-09-14 12:37:24,900 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384538804] [2020-09-14 12:37:24,901 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-09-14 12:37:24,901 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 12:37:24,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-09-14 12:37:24,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=316, Unknown=0, NotChecked=0, Total=420 [2020-09-14 12:37:24,902 INFO L87 Difference]: Start difference. First operand 840 states and 1578 transitions. Second operand 21 states. [2020-09-14 12:37:27,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 12:37:27,788 INFO L93 Difference]: Finished difference Result 1310 states and 2402 transitions. [2020-09-14 12:37:27,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2020-09-14 12:37:27,788 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 79 [2020-09-14 12:37:27,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 12:37:27,795 INFO L225 Difference]: With dead ends: 1310 [2020-09-14 12:37:27,795 INFO L226 Difference]: Without dead ends: 1310 [2020-09-14 12:37:27,797 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1975 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1527, Invalid=4173, Unknown=0, NotChecked=0, Total=5700 [2020-09-14 12:37:27,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1310 states. [2020-09-14 12:37:27,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1310 to 885. [2020-09-14 12:37:27,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 885 states. [2020-09-14 12:37:27,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 885 states and 1627 transitions. [2020-09-14 12:37:27,820 INFO L78 Accepts]: Start accepts. Automaton has 885 states and 1627 transitions. Word has length 79 [2020-09-14 12:37:27,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 12:37:27,822 INFO L479 AbstractCegarLoop]: Abstraction has 885 states and 1627 transitions. [2020-09-14 12:37:27,822 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-09-14 12:37:27,822 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1627 transitions. [2020-09-14 12:37:27,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-09-14 12:37:27,824 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:37:27,824 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] [2020-09-14 12:37:28,039 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-09-14 12:37:28,040 INFO L427 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-14 12:37:28,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:37:28,041 INFO L82 PathProgramCache]: Analyzing trace with hash 1687151893, now seen corresponding path program 4 times [2020-09-14 12:37:28,041 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:37:28,041 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127258846] [2020-09-14 12:37:28,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:37:28,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:37:28,338 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:37:28,338 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127258846] [2020-09-14 12:37:28,339 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [680879113] [2020-09-14 12:37:28,339 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-14 12:37:31,433 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-09-14 12:37:31,433 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-14 12:37:31,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 11 conjunts are in the unsatisfiable core [2020-09-14 12:37:31,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-14 12:37:31,492 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:37:31,492 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-14 12:37:31,492 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 13 [2020-09-14 12:37:31,493 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180220102] [2020-09-14 12:37:31,493 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-14 12:37:31,493 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 12:37:31,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-14 12:37:31,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2020-09-14 12:37:31,494 INFO L87 Difference]: Start difference. First operand 885 states and 1627 transitions. Second operand 13 states. [2020-09-14 12:37:31,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 12:37:31,575 INFO L93 Difference]: Finished difference Result 1057 states and 1936 transitions. [2020-09-14 12:37:31,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-14 12:37:31,576 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 89 [2020-09-14 12:37:31,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 12:37:31,580 INFO L225 Difference]: With dead ends: 1057 [2020-09-14 12:37:31,581 INFO L226 Difference]: Without dead ends: 1057 [2020-09-14 12:37:31,581 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 [2020-09-14 12:37:31,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1057 states. [2020-09-14 12:37:31,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1057 to 977. [2020-09-14 12:37:31,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2020-09-14 12:37:31,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1792 transitions. [2020-09-14 12:37:31,601 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1792 transitions. Word has length 89 [2020-09-14 12:37:31,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 12:37:31,601 INFO L479 AbstractCegarLoop]: Abstraction has 977 states and 1792 transitions. [2020-09-14 12:37:31,602 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-14 12:37:31,602 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1792 transitions. [2020-09-14 12:37:31,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-09-14 12:37:31,604 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:37:31,604 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] [2020-09-14 12:37:31,818 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-14 12:37:31,818 INFO L427 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-14 12:37:31,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:37:31,819 INFO L82 PathProgramCache]: Analyzing trace with hash 792310527, now seen corresponding path program 5 times [2020-09-14 12:37:31,819 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:37:31,819 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236685022] [2020-09-14 12:37:31,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:37:31,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:37:32,106 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 0 proven. 292 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:37:32,107 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236685022] [2020-09-14 12:37:32,107 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1622444099] [2020-09-14 12:37:32,107 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-14 12:37:34,298 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2020-09-14 12:37:34,298 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-14 12:37:34,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 122 conjunts are in the unsatisfiable core [2020-09-14 12:37:34,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-14 12:37:34,338 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 [2020-09-14 12:37:34,338 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:34,340 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:34,340 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:37:34,340 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:9 [2020-09-14 12:37:34,379 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:34,379 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 [2020-09-14 12:37:34,380 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:34,407 INFO L625 ElimStorePlain]: treesize reduction 25, result has 59.7 percent of original size [2020-09-14 12:37:34,408 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-14 12:37:34,408 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:26, output treesize:24 [2020-09-14 12:37:34,464 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:37:34,478 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-14 12:37:34,481 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-14 12:37:34,499 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:34,500 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 [2020-09-14 12:37:34,501 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:34,531 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:34,532 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 [2020-09-14 12:37:34,535 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-09-14 12:37:34,535 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-14 12:37:34,536 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2020-09-14 12:37:34,614 INFO L625 ElimStorePlain]: treesize reduction 53, result has 57.6 percent of original size [2020-09-14 12:37:34,619 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-14 12:37:34,619 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:36 [2020-09-14 12:37:34,664 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:37:34,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:37:34,679 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 [2020-09-14 12:37:34,679 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:34,685 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 [2020-09-14 12:37:34,686 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:34,716 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:34,717 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-14 12:37:34,717 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:66, output treesize:36 [2020-09-14 12:37:34,770 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 1] term [2020-09-14 12:37:34,770 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:37:34,784 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 [2020-09-14 12:37:34,784 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:34,798 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:34,802 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 [2020-09-14 12:37:34,803 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:34,813 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:34,813 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-14 12:37:34,814 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:66, output treesize:25 [2020-09-14 12:37:34,844 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:37:34,885 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:34,886 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 [2020-09-14 12:37:34,887 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:34,892 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 [2020-09-14 12:37:34,892 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:34,955 INFO L625 ElimStorePlain]: treesize reduction 25, result has 71.9 percent of original size [2020-09-14 12:37:34,956 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-09-14 12:37:34,956 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:57, output treesize:38 [2020-09-14 12:37:35,051 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-09-14 12:37:35,061 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-14 12:37:35,064 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-14 12:37:35,083 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:35,083 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 [2020-09-14 12:37:35,085 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:35,111 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:35,112 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 [2020-09-14 12:37:35,113 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-09-14 12:37:35,114 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-14 12:37:35,114 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2020-09-14 12:37:35,134 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:35,134 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 [2020-09-14 12:37:35,135 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-09-14 12:37:35,136 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-14 12:37:35,136 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2020-09-14 12:37:35,267 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 44 [2020-09-14 12:37:35,268 INFO L625 ElimStorePlain]: treesize reduction 80, result has 59.6 percent of original size [2020-09-14 12:37:35,280 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-09-14 12:37:35,280 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:118, output treesize:55 [2020-09-14 12:37:35,345 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-09-14 12:37:35,359 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 [2020-09-14 12:37:35,360 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:35,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:37:35,372 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 [2020-09-14 12:37:35,373 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:35,379 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 [2020-09-14 12:37:35,380 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:35,431 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:35,432 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-09-14 12:37:35,433 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:100, output treesize:55 [2020-09-14 12:37:35,593 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 3, 4, 1] term [2020-09-14 12:37:35,594 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-09-14 12:37:35,602 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 [2020-09-14 12:37:35,603 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:35,675 INFO L625 ElimStorePlain]: treesize reduction 10, result has 91.0 percent of original size [2020-09-14 12:37:35,681 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 [2020-09-14 12:37:35,681 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:35,709 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:35,714 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 [2020-09-14 12:37:35,715 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:35,772 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:35,773 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-09-14 12:37:35,773 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:130, output treesize:62 [2020-09-14 12:37:35,828 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-09-14 12:37:35,869 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:35,869 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2020-09-14 12:37:35,870 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:35,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:37:35,882 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 [2020-09-14 12:37:35,883 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:35,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:37:35,896 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 [2020-09-14 12:37:35,897 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:35,983 INFO L625 ElimStorePlain]: treesize reduction 25, result has 81.5 percent of original size [2020-09-14 12:37:35,987 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2020-09-14 12:37:35,987 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:107, output treesize:72 [2020-09-14 12:37:36,130 INFO L603 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-09-14 12:37:36,147 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-14 12:37:36,149 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-14 12:37:36,167 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:36,167 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 [2020-09-14 12:37:36,168 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:36,188 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:36,189 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 [2020-09-14 12:37:36,190 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-09-14 12:37:36,190 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-14 12:37:36,190 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2020-09-14 12:37:36,201 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-14 12:37:36,203 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-14 12:37:36,224 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:36,224 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 [2020-09-14 12:37:36,226 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2020-09-14 12:37:36,226 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-09-14 12:37:36,227 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2020-09-14 12:37:36,244 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-14 12:37:36,259 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:36,260 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 [2020-09-14 12:37:36,262 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2020-09-14 12:37:36,263 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-09-14 12:37:36,264 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2020-09-14 12:37:36,436 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 56 [2020-09-14 12:37:36,437 INFO L625 ElimStorePlain]: treesize reduction 235, result has 41.1 percent of original size [2020-09-14 12:37:36,442 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2020-09-14 12:37:36,442 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:178, output treesize:94 [2020-09-14 12:37:36,535 INFO L603 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-09-14 12:37:36,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:37:36,555 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 [2020-09-14 12:37:36,556 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:36,566 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 [2020-09-14 12:37:36,566 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:36,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:37:36,584 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 [2020-09-14 12:37:36,585 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:36,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:37:36,594 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 [2020-09-14 12:37:36,595 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:36,663 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:36,664 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2020-09-14 12:37:36,664 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:154, output treesize:94 [2020-09-14 12:37:36,821 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 34 [2020-09-14 12:37:36,824 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 4, 1] term [2020-09-14 12:37:36,825 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-09-14 12:37:36,834 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 [2020-09-14 12:37:36,835 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:36,874 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:36,881 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 [2020-09-14 12:37:36,885 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:36,918 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:36,924 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 [2020-09-14 12:37:36,925 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:36,955 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:36,955 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-09-14 12:37:36,956 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:106, output treesize:67 [2020-09-14 12:37:37,024 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-09-14 12:37:37,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:37:37,053 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 [2020-09-14 12:37:37,054 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:37,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:37:37,075 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 [2020-09-14 12:37:37,075 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:37,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:37:37,096 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 [2020-09-14 12:37:37,097 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:37,160 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:37,163 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-09-14 12:37:37,163 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:166, output treesize:103 [2020-09-14 12:37:37,332 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-14 12:37:37,348 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:37,349 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 [2020-09-14 12:37:37,350 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:37,400 INFO L625 ElimStorePlain]: treesize reduction 30, result has 64.3 percent of original size [2020-09-14 12:37:37,402 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:37:37,403 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:64, output treesize:40 [2020-09-14 12:37:37,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:37:37,477 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 [2020-09-14 12:37:37,477 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:37,500 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:37,501 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:37:37,501 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:40 [2020-09-14 12:37:37,589 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 [2020-09-14 12:37:37,590 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:37,602 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:37,603 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:37:37,603 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:34 [2020-09-14 12:37:37,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:37:37,678 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 [2020-09-14 12:37:37,679 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:37,698 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:37,699 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:37:37,700 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:54, output treesize:34 [2020-09-14 12:37:37,832 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-14 12:37:37,849 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:37,849 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 [2020-09-14 12:37:37,850 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-14 12:37:37,851 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:37,906 INFO L625 ElimStorePlain]: treesize reduction 35, result has 63.2 percent of original size [2020-09-14 12:37:37,908 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:37:37,908 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:64, output treesize:40 [2020-09-14 12:37:37,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:37:37,985 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2020-09-14 12:37:37,985 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:38,015 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:38,016 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:37:38,017 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:40 [2020-09-14 12:37:38,104 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 34 treesize of output 18 [2020-09-14 12:37:38,104 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:38,117 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:38,118 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:37:38,118 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:34 [2020-09-14 12:37:38,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:37:38,196 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 [2020-09-14 12:37:38,196 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:38,206 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:38,207 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:37:38,208 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:40, output treesize:9 [2020-09-14 12:37:38,323 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:38,324 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 [2020-09-14 12:37:38,325 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-14 12:37:38,326 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:38,357 INFO L625 ElimStorePlain]: treesize reduction 35, result has 46.2 percent of original size [2020-09-14 12:37:38,359 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:37:38,360 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:34, output treesize:9 [2020-09-14 12:37:38,419 INFO L350 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2020-09-14 12:37:38,419 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 24 [2020-09-14 12:37:38,420 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:38,427 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:38,428 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:37:38,428 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:9 [2020-09-14 12:37:38,501 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 190 proven. 92 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-09-14 12:37:38,502 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-14 12:37:38,502 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 33] total 44 [2020-09-14 12:37:38,502 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769080596] [2020-09-14 12:37:38,503 INFO L459 AbstractCegarLoop]: Interpolant automaton has 44 states [2020-09-14 12:37:38,503 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 12:37:38,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2020-09-14 12:37:38,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=234, Invalid=1658, Unknown=0, NotChecked=0, Total=1892 [2020-09-14 12:37:38,505 INFO L87 Difference]: Start difference. First operand 977 states and 1792 transitions. Second operand 44 states. [2020-09-14 12:37:42,158 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-09-14 12:37:43,453 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 36 [2020-09-14 12:37:46,147 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 37 [2020-09-14 12:37:49,268 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 37 [2020-09-14 12:37:52,188 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 37 [2020-09-14 12:37:55,270 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 37 [2020-09-14 12:37:58,750 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 37 [2020-09-14 12:38:02,337 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 37 [2020-09-14 12:38:04,159 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 35 [2020-09-14 12:38:06,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 12:38:06,143 INFO L93 Difference]: Finished difference Result 3504 states and 6370 transitions. [2020-09-14 12:38:06,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 262 states. [2020-09-14 12:38:06,144 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 96 [2020-09-14 12:38:06,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 12:38:06,158 INFO L225 Difference]: With dead ends: 3504 [2020-09-14 12:38:06,158 INFO L226 Difference]: Without dead ends: 3504 [2020-09-14 12:38:06,173 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 [2020-09-14 12:38:06,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3504 states. [2020-09-14 12:38:06,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3504 to 2010. [2020-09-14 12:38:06,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2010 states. [2020-09-14 12:38:06,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2010 states to 2010 states and 3634 transitions. [2020-09-14 12:38:06,228 INFO L78 Accepts]: Start accepts. Automaton has 2010 states and 3634 transitions. Word has length 96 [2020-09-14 12:38:06,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 12:38:06,229 INFO L479 AbstractCegarLoop]: Abstraction has 2010 states and 3634 transitions. [2020-09-14 12:38:06,229 INFO L480 AbstractCegarLoop]: Interpolant automaton has 44 states. [2020-09-14 12:38:06,229 INFO L276 IsEmpty]: Start isEmpty. Operand 2010 states and 3634 transitions. [2020-09-14 12:38:06,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-09-14 12:38:06,234 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:38:06,234 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] [2020-09-14 12:38:06,447 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-14 12:38:06,447 INFO L427 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-14 12:38:06,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:38:06,448 INFO L82 PathProgramCache]: Analyzing trace with hash 1634230719, now seen corresponding path program 6 times [2020-09-14 12:38:06,448 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:38:06,448 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126104537] [2020-09-14 12:38:06,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:38:06,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:38:06,768 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 0 proven. 361 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:38:06,768 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126104537] [2020-09-14 12:38:06,769 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [554147803] [2020-09-14 12:38:06,769 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-14 12:38:21,272 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2020-09-14 12:38:21,273 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-14 12:38:21,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 74 conjunts are in the unsatisfiable core [2020-09-14 12:38:21,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-14 12:38:21,386 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 [2020-09-14 12:38:21,387 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-09-14 12:38:21,423 INFO L625 ElimStorePlain]: treesize reduction 26, result has 46.9 percent of original size [2020-09-14 12:38:21,425 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:38:21,425 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:27, output treesize:11 [2020-09-14 12:38:21,477 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 [2020-09-14 12:38:21,478 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:38:21,486 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:38:21,487 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:38:21,487 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:20 [2020-09-14 12:38:21,516 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 [2020-09-14 12:38:21,517 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:38:21,530 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:38:21,531 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:38:21,531 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:35, output treesize:20 [2020-09-14 12:38:21,589 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-14 12:38:21,612 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:38:21,612 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 [2020-09-14 12:38:21,613 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:38:21,664 INFO L625 ElimStorePlain]: treesize reduction 30, result has 57.1 percent of original size [2020-09-14 12:38:21,666 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:38:21,666 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:50, output treesize:26 [2020-09-14 12:38:21,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:38:21,721 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 [2020-09-14 12:38:21,722 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:38:21,773 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:38:21,774 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:38:21,775 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:41, output treesize:26 [2020-09-14 12:38:21,824 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2020-09-14 12:38:21,824 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:38:21,835 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:38:21,836 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:38:21,836 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:44, output treesize:20 [2020-09-14 12:38:21,867 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 [2020-09-14 12:38:21,868 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:38:21,879 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:38:21,880 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:38:21,880 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:35, output treesize:20 [2020-09-14 12:38:21,926 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-14 12:38:21,943 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:38:21,944 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 [2020-09-14 12:38:21,945 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-14 12:38:21,945 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:38:22,001 INFO L625 ElimStorePlain]: treesize reduction 35, result has 56.8 percent of original size [2020-09-14 12:38:22,002 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:38:22,003 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:50, output treesize:26 [2020-09-14 12:38:22,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:38:22,047 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 [2020-09-14 12:38:22,048 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:38:22,067 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:38:22,068 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:38:22,068 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:41, output treesize:26 [2020-09-14 12:38:22,123 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 [2020-09-14 12:38:22,123 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:38:22,137 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:38:22,138 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:38:22,138 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:44, output treesize:20 [2020-09-14 12:38:22,176 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 23 treesize of output 22 [2020-09-14 12:38:22,177 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:38:22,188 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:38:22,190 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:38:22,190 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:30, output treesize:13 [2020-09-14 12:38:22,254 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-14 12:38:22,291 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:38:22,292 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 [2020-09-14 12:38:22,293 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 1] term [2020-09-14 12:38:22,294 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-09-14 12:38:22,295 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:38:22,326 INFO L625 ElimStorePlain]: treesize reduction 83, result has 28.4 percent of original size [2020-09-14 12:38:22,327 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:38:22,328 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:37, output treesize:16 [2020-09-14 12:38:22,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:38:22,365 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 [2020-09-14 12:38:22,366 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:38:22,377 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:38:22,378 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:38:22,379 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:31, output treesize:16 [2020-09-14 12:38:22,384 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 [2020-09-14 12:38:22,385 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:38:22,387 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:38:22,388 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:38:22,388 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:1 [2020-09-14 12:38:22,407 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 227 proven. 28 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2020-09-14 12:38:22,407 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-14 12:38:22,407 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 28 [2020-09-14 12:38:22,407 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412369825] [2020-09-14 12:38:22,408 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-09-14 12:38:22,408 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 12:38:22,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-09-14 12:38:22,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=578, Unknown=0, NotChecked=0, Total=756 [2020-09-14 12:38:22,409 INFO L87 Difference]: Start difference. First operand 2010 states and 3634 transitions. Second operand 28 states. [2020-09-14 12:38:30,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 12:38:30,871 INFO L93 Difference]: Finished difference Result 2569 states and 4588 transitions. [2020-09-14 12:38:30,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2020-09-14 12:38:30,872 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 104 [2020-09-14 12:38:30,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 12:38:30,882 INFO L225 Difference]: With dead ends: 2569 [2020-09-14 12:38:30,882 INFO L226 Difference]: Without dead ends: 2569 [2020-09-14 12:38:30,884 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 133 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7342 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=4324, Invalid=13766, Unknown=0, NotChecked=0, Total=18090 [2020-09-14 12:38:30,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2569 states. [2020-09-14 12:38:30,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 1458. [2020-09-14 12:38:30,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1458 states. [2020-09-14 12:38:30,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1458 states to 1458 states and 2635 transitions. [2020-09-14 12:38:30,917 INFO L78 Accepts]: Start accepts. Automaton has 1458 states and 2635 transitions. Word has length 104 [2020-09-14 12:38:30,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 12:38:30,918 INFO L479 AbstractCegarLoop]: Abstraction has 1458 states and 2635 transitions. [2020-09-14 12:38:30,918 INFO L480 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-09-14 12:38:30,918 INFO L276 IsEmpty]: Start isEmpty. Operand 1458 states and 2635 transitions. [2020-09-14 12:38:30,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-09-14 12:38:30,921 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:38:30,922 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] [2020-09-14 12:38:31,122 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-09-14 12:38:31,123 INFO L427 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-14 12:38:31,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:38:31,124 INFO L82 PathProgramCache]: Analyzing trace with hash -1180971947, now seen corresponding path program 7 times [2020-09-14 12:38:31,124 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:38:31,125 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998160316] [2020-09-14 12:38:31,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:38:31,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:38:31,544 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 0 proven. 456 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:38:31,545 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998160316] [2020-09-14 12:38:31,545 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1550637759] [2020-09-14 12:38:31,545 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-14 12:38:31,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:38:31,753 INFO L263 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 14 conjunts are in the unsatisfiable core [2020-09-14 12:38:31,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-14 12:38:31,810 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 0 proven. 456 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:38:31,810 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-14 12:38:31,811 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 16 [2020-09-14 12:38:31,811 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134843667] [2020-09-14 12:38:31,812 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-14 12:38:31,812 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 12:38:31,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-14 12:38:31,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2020-09-14 12:38:31,813 INFO L87 Difference]: Start difference. First operand 1458 states and 2635 transitions. Second operand 16 states. [2020-09-14 12:38:31,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 12:38:31,973 INFO L93 Difference]: Finished difference Result 1690 states and 3049 transitions. [2020-09-14 12:38:31,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-14 12:38:31,975 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 113 [2020-09-14 12:38:31,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 12:38:31,985 INFO L225 Difference]: With dead ends: 1690 [2020-09-14 12:38:31,985 INFO L226 Difference]: Without dead ends: 1690 [2020-09-14 12:38:31,986 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 [2020-09-14 12:38:31,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1690 states. [2020-09-14 12:38:32,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1690 to 1582. [2020-09-14 12:38:32,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1582 states. [2020-09-14 12:38:32,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1582 states to 1582 states and 2856 transitions. [2020-09-14 12:38:32,023 INFO L78 Accepts]: Start accepts. Automaton has 1582 states and 2856 transitions. Word has length 113 [2020-09-14 12:38:32,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 12:38:32,023 INFO L479 AbstractCegarLoop]: Abstraction has 1582 states and 2856 transitions. [2020-09-14 12:38:32,024 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-14 12:38:32,024 INFO L276 IsEmpty]: Start isEmpty. Operand 1582 states and 2856 transitions. [2020-09-14 12:38:32,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-09-14 12:38:32,030 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:38:32,030 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] [2020-09-14 12:38:32,245 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2020-09-14 12:38:32,245 INFO L427 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-14 12:38:32,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:38:32,246 INFO L82 PathProgramCache]: Analyzing trace with hash 2141456319, now seen corresponding path program 8 times [2020-09-14 12:38:32,246 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:38:32,246 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222677154] [2020-09-14 12:38:32,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:38:32,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:38:32,676 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 0 proven. 523 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:38:32,676 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222677154] [2020-09-14 12:38:32,677 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [384577505] [2020-09-14 12:38:32,677 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-14 12:38:32,888 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-09-14 12:38:32,888 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-14 12:38:32,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 15 conjunts are in the unsatisfiable core [2020-09-14 12:38:32,893 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-14 12:38:32,926 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 0 proven. 523 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:38:32,926 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-14 12:38:32,926 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 17 [2020-09-14 12:38:32,927 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666565602] [2020-09-14 12:38:32,928 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-14 12:38:32,928 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 12:38:32,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-14 12:38:32,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2020-09-14 12:38:32,929 INFO L87 Difference]: Start difference. First operand 1582 states and 2856 transitions. Second operand 17 states. [2020-09-14 12:38:33,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 12:38:33,086 INFO L93 Difference]: Finished difference Result 1814 states and 3270 transitions. [2020-09-14 12:38:33,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-14 12:38:33,087 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 120 [2020-09-14 12:38:33,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 12:38:33,093 INFO L225 Difference]: With dead ends: 1814 [2020-09-14 12:38:33,093 INFO L226 Difference]: Without dead ends: 1814 [2020-09-14 12:38:33,093 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 [2020-09-14 12:38:33,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1814 states. [2020-09-14 12:38:33,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1814 to 1706. [2020-09-14 12:38:33,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1706 states. [2020-09-14 12:38:33,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1706 states to 1706 states and 3077 transitions. [2020-09-14 12:38:33,120 INFO L78 Accepts]: Start accepts. Automaton has 1706 states and 3077 transitions. Word has length 120 [2020-09-14 12:38:33,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 12:38:33,121 INFO L479 AbstractCegarLoop]: Abstraction has 1706 states and 3077 transitions. [2020-09-14 12:38:33,121 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-14 12:38:33,121 INFO L276 IsEmpty]: Start isEmpty. Operand 1706 states and 3077 transitions. [2020-09-14 12:38:33,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-09-14 12:38:33,125 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:38:33,125 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] [2020-09-14 12:38:33,338 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2020-09-14 12:38:33,339 INFO L427 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-14 12:38:33,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:38:33,340 INFO L82 PathProgramCache]: Analyzing trace with hash 702742271, now seen corresponding path program 9 times [2020-09-14 12:38:33,340 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:38:33,340 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355704525] [2020-09-14 12:38:33,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:38:33,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:38:33,786 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 0 proven. 616 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:38:33,787 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355704525] [2020-09-14 12:38:33,787 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [499577151] [2020-09-14 12:38:33,787 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-14 12:38:36,556 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2020-09-14 12:38:36,556 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-14 12:38:36,566 INFO L263 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 72 conjunts are in the unsatisfiable core [2020-09-14 12:38:36,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-14 12:38:36,581 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:38:36,581 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 [2020-09-14 12:38:36,582 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:38:36,584 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-09-14 12:38:36,585 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:38:36,588 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2020-09-14 12:38:36,688 INFO L625 ElimStorePlain]: treesize reduction 222, result has 15.6 percent of original size [2020-09-14 12:38:36,692 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:38:36,692 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:47, output treesize:13 [2020-09-14 12:38:36,755 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 [2020-09-14 12:38:36,755 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:38:36,764 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:38:36,765 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:38:36,765 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:22 [2020-09-14 12:38:36,800 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 [2020-09-14 12:38:36,800 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:38:36,811 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:38:36,813 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:38:36,813 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:37, output treesize:22 [2020-09-14 12:38:36,858 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-14 12:38:36,874 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:38:36,875 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 [2020-09-14 12:38:36,875 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:38:36,925 INFO L625 ElimStorePlain]: treesize reduction 30, result has 58.3 percent of original size [2020-09-14 12:38:36,926 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:38:36,927 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:52, output treesize:28 [2020-09-14 12:38:36,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:38:36,977 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 [2020-09-14 12:38:36,978 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:38:36,997 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:38:36,998 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:38:36,998 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:43, output treesize:28 [2020-09-14 12:38:37,053 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 [2020-09-14 12:38:37,054 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:38:37,067 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:38:37,068 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:38:37,068 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:46, output treesize:22 [2020-09-14 12:38:37,110 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 [2020-09-14 12:38:37,111 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:38:37,123 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:38:37,124 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:38:37,124 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:37, output treesize:22 [2020-09-14 12:38:37,186 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-14 12:38:37,210 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:38:37,210 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 [2020-09-14 12:38:37,211 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-14 12:38:37,212 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:38:37,268 INFO L625 ElimStorePlain]: treesize reduction 35, result has 57.8 percent of original size [2020-09-14 12:38:37,270 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:38:37,270 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:52, output treesize:28 [2020-09-14 12:38:37,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:38:37,329 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2020-09-14 12:38:37,329 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:38:37,344 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:38:37,345 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:38:37,345 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:43, output treesize:28 [2020-09-14 12:38:37,420 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2020-09-14 12:38:37,421 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:38:37,430 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:38:37,431 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:38:37,431 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:22 [2020-09-14 12:38:37,475 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 [2020-09-14 12:38:37,475 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:38:37,489 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:38:37,491 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:38:37,491 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:37, output treesize:14 [2020-09-14 12:38:37,572 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-14 12:38:37,574 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 [2020-09-14 12:38:37,575 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:38:37,593 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:38:37,595 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. [2020-09-14 12:38:37,595 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:40, output treesize:30 [2020-09-14 12:38:37,686 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:38:37,686 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 [2020-09-14 12:38:37,688 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2020-09-14 12:38:37,688 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-09-14 12:38:37,689 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:38:37,730 INFO L625 ElimStorePlain]: treesize reduction 91, result has 32.6 percent of original size [2020-09-14 12:38:37,731 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. [2020-09-14 12:38:37,732 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:48, output treesize:27 [2020-09-14 12:38:37,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:38:37,799 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 [2020-09-14 12:38:37,799 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:38:37,817 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:38:37,819 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. [2020-09-14 12:38:37,819 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:42, output treesize:27 [2020-09-14 12:38:37,827 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 [2020-09-14 12:38:37,828 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:38:37,830 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:38:37,830 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:38:37,830 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:1 [2020-09-14 12:38:37,894 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 222 proven. 73 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2020-09-14 12:38:37,895 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-14 12:38:37,895 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 32 [2020-09-14 12:38:37,895 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341994018] [2020-09-14 12:38:37,895 INFO L459 AbstractCegarLoop]: Interpolant automaton has 32 states [2020-09-14 12:38:37,895 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 12:38:37,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2020-09-14 12:38:37,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=219, Invalid=773, Unknown=0, NotChecked=0, Total=992 [2020-09-14 12:38:37,896 INFO L87 Difference]: Start difference. First operand 1706 states and 3077 transitions. Second operand 32 states. [2020-09-14 12:38:58,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 12:38:58,070 INFO L93 Difference]: Finished difference Result 3757 states and 6689 transitions. [2020-09-14 12:38:58,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 231 states. [2020-09-14 12:38:58,071 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 128 [2020-09-14 12:38:58,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 12:38:58,084 INFO L225 Difference]: With dead ends: 3757 [2020-09-14 12:38:58,084 INFO L226 Difference]: Without dead ends: 3757 [2020-09-14 12:38:58,091 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 368 GetRequests, 113 SyntacticMatches, 1 SemanticMatches, 254 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30657 ImplicationChecksByTransitivity, 16.5s TimeCoverageRelationStatistics Valid=12002, Invalid=53278, Unknown=0, NotChecked=0, Total=65280 [2020-09-14 12:38:58,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3757 states. [2020-09-14 12:38:58,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3757 to 1656. [2020-09-14 12:38:58,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1656 states. [2020-09-14 12:38:58,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1656 states to 1656 states and 3002 transitions. [2020-09-14 12:38:58,131 INFO L78 Accepts]: Start accepts. Automaton has 1656 states and 3002 transitions. Word has length 128 [2020-09-14 12:38:58,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 12:38:58,131 INFO L479 AbstractCegarLoop]: Abstraction has 1656 states and 3002 transitions. [2020-09-14 12:38:58,131 INFO L480 AbstractCegarLoop]: Interpolant automaton has 32 states. [2020-09-14 12:38:58,132 INFO L276 IsEmpty]: Start isEmpty. Operand 1656 states and 3002 transitions. [2020-09-14 12:38:58,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-09-14 12:38:58,136 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:38:58,136 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] [2020-09-14 12:38:58,349 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-14 12:38:58,349 INFO L427 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-14 12:38:58,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:38:58,350 INFO L82 PathProgramCache]: Analyzing trace with hash 883192735, now seen corresponding path program 10 times [2020-09-14 12:38:58,350 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:38:58,350 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658983692] [2020-09-14 12:38:58,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:38:58,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:38:58,857 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 0 proven. 717 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:38:58,857 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658983692] [2020-09-14 12:38:58,857 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1367545928] [2020-09-14 12:38:58,858 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-14 12:40:18,286 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-09-14 12:40:18,287 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-14 12:40:20,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 17 conjunts are in the unsatisfiable core [2020-09-14 12:40:20,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-14 12:40:20,573 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 0 proven. 717 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:40:20,574 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-14 12:40:20,574 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 19 [2020-09-14 12:40:20,574 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621432871] [2020-09-14 12:40:20,575 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-14 12:40:20,575 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 12:40:20,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-14 12:40:20,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=171, Unknown=0, NotChecked=0, Total=342 [2020-09-14 12:40:20,576 INFO L87 Difference]: Start difference. First operand 1656 states and 3002 transitions. Second operand 19 states. [2020-09-14 12:40:20,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 12:40:20,745 INFO L93 Difference]: Finished difference Result 1888 states and 3416 transitions. [2020-09-14 12:40:20,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-14 12:40:20,746 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 136 [2020-09-14 12:40:20,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 12:40:20,754 INFO L225 Difference]: With dead ends: 1888 [2020-09-14 12:40:20,754 INFO L226 Difference]: Without dead ends: 1888 [2020-09-14 12:40:20,755 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 [2020-09-14 12:40:20,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1888 states. [2020-09-14 12:40:20,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1888 to 1780. [2020-09-14 12:40:20,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1780 states. [2020-09-14 12:40:20,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1780 states to 1780 states and 3223 transitions. [2020-09-14 12:40:20,784 INFO L78 Accepts]: Start accepts. Automaton has 1780 states and 3223 transitions. Word has length 136 [2020-09-14 12:40:20,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 12:40:20,785 INFO L479 AbstractCegarLoop]: Abstraction has 1780 states and 3223 transitions. [2020-09-14 12:40:20,785 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-09-14 12:40:20,785 INFO L276 IsEmpty]: Start isEmpty. Operand 1780 states and 3223 transitions. [2020-09-14 12:40:20,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-09-14 12:40:20,789 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:40:20,790 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] [2020-09-14 12:40:20,990 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-14 12:40:20,990 INFO L427 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-14 12:40:20,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:40:20,991 INFO L82 PathProgramCache]: Analyzing trace with hash 851330655, now seen corresponding path program 11 times [2020-09-14 12:40:20,991 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:40:20,991 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799650573] [2020-09-14 12:40:20,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:40:21,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:40:21,522 INFO L134 CoverageAnalysis]: Checked inductivity of 826 backedges. 0 proven. 826 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:40:21,523 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799650573] [2020-09-14 12:40:21,523 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [671183685] [2020-09-14 12:40:21,523 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-14 12:40:24,698 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2020-09-14 12:40:24,698 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-14 12:40:24,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 183 conjunts are in the unsatisfiable core [2020-09-14 12:40:24,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-14 12:40:24,813 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 [2020-09-14 12:40:24,813 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:40:24,816 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:40:24,816 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:40:24,816 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:12 [2020-09-14 12:40:24,871 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:40:24,872 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 [2020-09-14 12:40:24,873 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:40:24,875 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:40:24,924 INFO L625 ElimStorePlain]: treesize reduction 24, result has 63.1 percent of original size [2020-09-14 12:40:24,926 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:40:24,928 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-14 12:40:24,928 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:31, output treesize:36 [2020-09-14 12:40:25,034 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:40:25,074 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:40:25,074 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 [2020-09-14 12:40:25,075 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-09-14 12:40:25,076 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-14 12:40:25,076 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-09-14 12:40:25,081 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-14 12:40:25,102 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:40:25,103 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 [2020-09-14 12:40:25,105 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2020-09-14 12:40:25,105 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-09-14 12:40:25,106 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2020-09-14 12:40:25,213 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 45 [2020-09-14 12:40:25,214 INFO L625 ElimStorePlain]: treesize reduction 136, result has 35.5 percent of original size [2020-09-14 12:40:25,216 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-14 12:40:25,216 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:91, output treesize:49 [2020-09-14 12:40:25,286 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:40:25,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:40:25,306 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2020-09-14 12:40:25,307 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:40:25,315 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 [2020-09-14 12:40:25,316 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-14 12:40:25,359 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:40:25,361 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-14 12:40:25,361 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:79, output treesize:49 [2020-09-14 12:40:25,447 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2020-09-14 12:40:25,449 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:40:25,452 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:40:25,452 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:40:25,452 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:9 [2020-09-14 12:40:25,511 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:40:25,511 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 [2020-09-14 12:40:25,512 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:40:25,558 INFO L625 ElimStorePlain]: treesize reduction 24, result has 62.5 percent of original size [2020-09-14 12:40:25,559 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:40:25,561 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-14 12:40:25,562 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:35 [2020-09-14 12:40:25,687 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:40:25,698 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-14 12:40:25,701 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-14 12:40:25,728 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:40:25,729 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 [2020-09-14 12:40:25,729 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:40:25,759 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:40:25,760 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 [2020-09-14 12:40:25,761 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:40:25,762 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-14 12:40:25,888 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2020-09-14 12:40:25,888 INFO L625 ElimStorePlain]: treesize reduction 50, result has 64.8 percent of original size [2020-09-14 12:40:25,891 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-14 12:40:25,892 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:96, output treesize:48 [2020-09-14 12:40:25,970 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:40:25,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:40:25,993 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 [2020-09-14 12:40:25,993 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:40:26,002 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 [2020-09-14 12:40:26,003 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-14 12:40:26,048 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:40:26,049 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-14 12:40:26,050 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-09-14 12:40:26,241 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 1] term [2020-09-14 12:40:26,241 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-14 12:40:26,253 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2020-09-14 12:40:26,254 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:40:26,279 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:40:26,285 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 [2020-09-14 12:40:26,285 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-14 12:40:26,306 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:40:26,306 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-14 12:40:26,306 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:98, output treesize:47 [2020-09-14 12:40:26,373 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:40:26,424 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:40:26,425 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 [2020-09-14 12:40:26,426 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:40:26,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:40:26,437 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 [2020-09-14 12:40:26,438 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-14 12:40:26,541 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-09-14 12:40:26,542 INFO L625 ElimStorePlain]: treesize reduction 24, result has 79.3 percent of original size [2020-09-14 12:40:26,544 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:40:26,559 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-09-14 12:40:26,559 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:86, output treesize:70 [2020-09-14 12:40:26,735 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:40:26,748 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-14 12:40:26,751 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-14 12:40:26,773 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:40:26,774 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 [2020-09-14 12:40:26,775 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:40:26,800 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:40:26,800 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 [2020-09-14 12:40:26,802 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-09-14 12:40:26,802 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-14 12:40:26,803 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2020-09-14 12:40:26,908 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 48 [2020-09-14 12:40:26,910 INFO L625 ElimStorePlain]: treesize reduction 53, result has 61.3 percent of original size [2020-09-14 12:40:26,914 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-14 12:40:26,914 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:90, output treesize:48 [2020-09-14 12:40:27,002 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:40:27,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:40:27,018 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 [2020-09-14 12:40:27,018 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:40:27,027 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 [2020-09-14 12:40:27,027 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-14 12:40:27,070 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:40:27,072 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-14 12:40:27,072 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-09-14 12:40:27,285 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 1] term [2020-09-14 12:40:27,285 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-14 12:40:27,304 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2020-09-14 12:40:27,305 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:40:27,359 INFO L625 ElimStorePlain]: treesize reduction 10, result has 87.3 percent of original size [2020-09-14 12:40:27,364 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 [2020-09-14 12:40:27,365 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-14 12:40:27,384 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:40:27,385 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-14 12:40:27,385 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:98, output treesize:49 [2020-09-14 12:40:27,458 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:40:27,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:40:27,477 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 [2020-09-14 12:40:27,478 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:40:27,520 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:40:27,520 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 [2020-09-14 12:40:27,521 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-14 12:40:27,630 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-09-14 12:40:27,631 INFO L625 ElimStorePlain]: treesize reduction 24, result has 79.3 percent of original size [2020-09-14 12:40:27,632 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:40:27,634 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-09-14 12:40:27,635 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:86, output treesize:70 [2020-09-14 12:40:27,813 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:40:27,849 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:40:27,849 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 [2020-09-14 12:40:27,850 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-09-14 12:40:27,850 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-14 12:40:27,851 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-09-14 12:40:27,856 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-14 12:40:27,876 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:40:27,877 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 [2020-09-14 12:40:27,877 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-14 12:40:27,995 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 47 [2020-09-14 12:40:27,996 INFO L625 ElimStorePlain]: treesize reduction 53, result has 61.3 percent of original size [2020-09-14 12:40:27,999 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-14 12:40:27,999 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:90, output treesize:48 [2020-09-14 12:40:28,131 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:40:28,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:40:28,155 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 [2020-09-14 12:40:28,156 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:40:28,167 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 [2020-09-14 12:40:28,167 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-14 12:40:28,220 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:40:28,222 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-14 12:40:28,223 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-09-14 12:40:28,499 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 1] term [2020-09-14 12:40:28,499 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-14 12:40:28,508 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2020-09-14 12:40:28,509 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:40:28,557 INFO L625 ElimStorePlain]: treesize reduction 10, result has 87.3 percent of original size [2020-09-14 12:40:28,564 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 [2020-09-14 12:40:28,564 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-14 12:40:28,582 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:40:28,582 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-14 12:40:28,583 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:98, output treesize:49 [2020-09-14 12:40:28,666 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:40:28,713 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:40:28,713 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 62 [2020-09-14 12:40:28,714 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:40:28,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:40:28,727 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 [2020-09-14 12:40:28,728 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-14 12:40:28,826 INFO L625 ElimStorePlain]: treesize reduction 24, result has 79.3 percent of original size [2020-09-14 12:40:28,828 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:40:28,830 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-09-14 12:40:28,830 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:86, output treesize:70 [2020-09-14 12:40:29,035 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:40:29,072 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:40:29,072 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 [2020-09-14 12:40:29,074 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-09-14 12:40:29,074 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-14 12:40:29,075 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-09-14 12:40:29,081 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-14 12:40:29,104 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:40:29,105 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 [2020-09-14 12:40:29,105 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-14 12:40:29,213 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 47 [2020-09-14 12:40:29,214 INFO L625 ElimStorePlain]: treesize reduction 53, result has 61.3 percent of original size [2020-09-14 12:40:29,216 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-14 12:40:29,216 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:90, output treesize:48 [2020-09-14 12:40:29,342 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:40:29,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:40:29,367 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 [2020-09-14 12:40:29,368 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:40:29,376 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 [2020-09-14 12:40:29,376 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-14 12:40:29,419 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:40:29,421 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-14 12:40:29,421 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-09-14 12:40:29,569 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 [2020-09-14 12:40:29,570 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:40:29,584 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:40:29,584 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:40:29,584 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:34 [2020-09-14 12:40:29,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:40:29,682 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 [2020-09-14 12:40:29,683 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:40:29,702 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:40:29,703 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:40:29,704 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:54, output treesize:34 [2020-09-14 12:40:29,936 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-14 12:40:29,954 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:40:29,955 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 [2020-09-14 12:40:29,955 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:40:30,008 INFO L625 ElimStorePlain]: treesize reduction 30, result has 64.3 percent of original size [2020-09-14 12:40:30,010 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:40:30,010 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:64, output treesize:40 [2020-09-14 12:40:30,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:40:30,121 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 [2020-09-14 12:40:30,121 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:40:30,145 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:40:30,146 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:40:30,147 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:40 [2020-09-14 12:40:30,272 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 [2020-09-14 12:40:30,273 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:40:30,291 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:40:30,291 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:40:30,292 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:34 [2020-09-14 12:40:30,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:40:30,393 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 [2020-09-14 12:40:30,394 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:40:30,417 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:40:30,418 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:40:30,418 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:54, output treesize:34 [2020-09-14 12:40:30,632 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-14 12:40:30,653 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:40:30,653 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 [2020-09-14 12:40:30,654 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-14 12:40:30,655 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:40:30,720 INFO L625 ElimStorePlain]: treesize reduction 35, result has 63.2 percent of original size [2020-09-14 12:40:30,722 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:40:30,722 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:64, output treesize:40 [2020-09-14 12:40:30,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:40:30,840 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 [2020-09-14 12:40:30,841 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:40:30,865 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:40:30,866 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:40:30,866 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:40 [2020-09-14 12:40:31,002 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 [2020-09-14 12:40:31,003 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:40:31,021 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:40:31,021 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:40:31,022 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:34 [2020-09-14 12:40:31,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:40:31,122 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 [2020-09-14 12:40:31,122 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:40:31,142 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:40:31,143 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:40:31,143 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:54, output treesize:34 [2020-09-14 12:40:31,370 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-14 12:40:31,390 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:40:31,391 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 [2020-09-14 12:40:31,392 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-14 12:40:31,392 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:40:31,459 INFO L625 ElimStorePlain]: treesize reduction 35, result has 63.2 percent of original size [2020-09-14 12:40:31,461 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:40:31,461 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:64, output treesize:40 [2020-09-14 12:40:31,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:40:31,590 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 [2020-09-14 12:40:31,591 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:40:31,615 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:40:31,616 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:40:31,616 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:40 [2020-09-14 12:40:31,757 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 [2020-09-14 12:40:31,758 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:40:31,776 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:40:31,777 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:40:31,777 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:34 [2020-09-14 12:40:31,910 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:40:31,911 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 [2020-09-14 12:40:31,911 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:40:31,913 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:40:31,945 INFO L625 ElimStorePlain]: treesize reduction 44, result has 49.4 percent of original size [2020-09-14 12:40:31,948 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:40:31,948 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:47, output treesize:9 [2020-09-14 12:40:32,142 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:40:32,142 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 [2020-09-14 12:40:32,143 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-14 12:40:32,144 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:40:32,179 INFO L625 ElimStorePlain]: treesize reduction 35, result has 46.2 percent of original size [2020-09-14 12:40:32,180 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:40:32,181 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:34, output treesize:9 [2020-09-14 12:40:32,255 INFO L350 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2020-09-14 12:40:32,256 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 [2020-09-14 12:40:32,256 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:40:32,263 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:40:32,264 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:40:32,265 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:9 [2020-09-14 12:40:32,363 INFO L134 CoverageAnalysis]: Checked inductivity of 826 backedges. 619 proven. 131 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-09-14 12:40:32,363 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-14 12:40:32,363 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 52] total 69 [2020-09-14 12:40:32,363 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598666896] [2020-09-14 12:40:32,364 INFO L459 AbstractCegarLoop]: Interpolant automaton has 69 states [2020-09-14 12:40:32,364 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 12:40:32,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2020-09-14 12:40:32,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=710, Invalid=3982, Unknown=0, NotChecked=0, Total=4692 [2020-09-14 12:40:32,365 INFO L87 Difference]: Start difference. First operand 1780 states and 3223 transitions. Second operand 69 states. [2020-09-14 12:40:44,278 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 36 [2020-09-14 12:40:45,992 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-09-14 12:40:46,530 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2020-09-14 12:40:48,079 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 40 [2020-09-14 12:40:49,635 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 36 [2020-09-14 12:40:49,930 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-09-14 12:40:50,956 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-09-14 12:40:51,250 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2020-09-14 12:40:51,690 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2020-09-14 12:40:53,917 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 40 [2020-09-14 12:40:55,749 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 36 [2020-09-14 12:40:56,069 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-09-14 12:40:56,407 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-09-14 12:40:57,423 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2020-09-14 12:40:57,867 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 36 [2020-09-14 12:40:58,447 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2020-09-14 12:40:58,614 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2020-09-14 12:40:59,235 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 41 [2020-09-14 12:41:00,495 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 38 [2020-09-14 12:41:00,885 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 42 [2020-09-14 12:41:01,562 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 39 [2020-09-14 12:41:01,743 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 40 [2020-09-14 12:41:02,304 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 33 [2020-09-14 12:41:02,739 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 44 [2020-09-14 12:41:02,927 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-09-14 12:41:03,114 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-09-14 12:41:04,392 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-09-14 12:41:04,839 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 33 [2020-09-14 12:41:05,887 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 38 [2020-09-14 12:41:06,284 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 36 [2020-09-14 12:41:07,008 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2020-09-14 12:41:07,191 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2020-09-14 12:41:07,366 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2020-09-14 12:41:07,840 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 41 [2020-09-14 12:41:09,044 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 35 [2020-09-14 12:41:09,523 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 42 [2020-09-14 12:41:10,432 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 38 [2020-09-14 12:41:10,597 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 39 [2020-09-14 12:41:10,793 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 40 [2020-09-14 12:41:10,998 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 34 [2020-09-14 12:41:11,169 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-09-14 12:41:11,659 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 44 [2020-09-14 12:41:11,871 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-09-14 12:41:12,374 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-09-14 12:41:13,686 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 42 [2020-09-14 12:41:14,357 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 33 [2020-09-14 12:41:14,724 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2020-09-14 12:41:15,204 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 44 [2020-09-14 12:41:15,627 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 36 [2020-09-14 12:41:16,425 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 38 [2020-09-14 12:41:16,610 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2020-09-14 12:41:16,798 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2020-09-14 12:41:17,343 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 41 [2020-09-14 12:41:17,882 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2020-09-14 12:41:18,457 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 40 [2020-09-14 12:41:18,746 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-09-14 12:41:19,003 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 44 [2020-09-14 12:41:19,361 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 34 [2020-09-14 12:41:19,537 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-09-14 12:41:20,212 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 35 [2020-09-14 12:41:20,406 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 38 [2020-09-14 12:41:20,572 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 39 [2020-09-14 12:41:21,131 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-09-14 12:41:21,933 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-09-14 12:41:22,150 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-09-14 12:41:23,089 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 36 [2020-09-14 12:41:23,277 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2020-09-14 12:41:24,102 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 42 [2020-09-14 12:41:24,292 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 33 [2020-09-14 12:41:24,584 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2020-09-14 12:41:24,939 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 41 [2020-09-14 12:41:26,097 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 44 [2020-09-14 12:41:26,374 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 38 [2020-09-14 12:41:26,577 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2020-09-14 12:41:27,464 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 40 [2020-09-14 12:41:27,779 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-09-14 12:41:27,983 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2020-09-14 12:41:28,451 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 39 [2020-09-14 12:41:28,792 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 34 [2020-09-14 12:41:29,078 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 44 [2020-09-14 12:41:29,493 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 34 [2020-09-14 12:41:30,101 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-09-14 12:41:30,446 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-09-14 12:41:30,935 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 35 [2020-09-14 12:41:31,152 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 38 [2020-09-14 12:41:31,372 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 33 [2020-09-14 12:41:31,609 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2020-09-14 12:41:32,758 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-09-14 12:41:33,231 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2020-09-14 12:41:33,540 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 36 [2020-09-14 12:41:33,797 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2020-09-14 12:41:34,768 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 42 [2020-09-14 12:41:34,979 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 33 [2020-09-14 12:41:35,218 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2020-09-14 12:41:35,596 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 41 [2020-09-14 12:41:36,770 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 44 [2020-09-14 12:41:37,072 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 38 [2020-09-14 12:41:38,102 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 40 [2020-09-14 12:41:38,413 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 39 [2020-09-14 12:41:39,239 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-09-14 12:41:39,461 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2020-09-14 12:41:39,835 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 38 [2020-09-14 12:41:40,224 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 34 [2020-09-14 12:41:40,469 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 34 [2020-09-14 12:41:40,787 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 44 [2020-09-14 12:41:41,013 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 33 [2020-09-14 12:41:41,454 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2020-09-14 12:41:42,264 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-09-14 12:41:42,508 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-09-14 12:41:42,946 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 35 [2020-09-14 12:41:43,253 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-09-14 12:41:44,172 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-09-14 12:41:44,450 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 33 [2020-09-14 12:41:44,813 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2020-09-14 12:41:45,025 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2020-09-14 12:41:45,354 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 36 [2020-09-14 12:41:45,587 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2020-09-14 12:41:46,579 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2020-09-14 12:41:47,171 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 42 [2020-09-14 12:41:47,498 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 38 [2020-09-14 12:41:47,985 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 41 [2020-09-14 12:41:48,989 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 44 [2020-09-14 12:41:50,036 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 39 [2020-09-14 12:41:50,473 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 40 [2020-09-14 12:41:50,796 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 38 [2020-09-14 12:41:51,078 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-09-14 12:41:51,936 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2020-09-14 12:41:52,177 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 35 [2020-09-14 12:41:52,594 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 33 [2020-09-14 12:41:52,868 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 38 [2020-09-14 12:41:53,123 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 34 [2020-09-14 12:41:53,383 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 34 [2020-09-14 12:41:53,739 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 44 [2020-09-14 12:41:54,078 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-09-14 12:41:54,370 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-09-14 12:41:54,818 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2020-09-14 12:41:55,548 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-09-14 12:41:55,876 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-09-14 12:41:56,511 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 33 [2020-09-14 12:41:57,492 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 42 [2020-09-14 12:41:57,905 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2020-09-14 12:41:58,210 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 29 [2020-09-14 12:41:58,561 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 36 [2020-09-14 12:41:58,800 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2020-09-14 12:41:59,029 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2020-09-14 12:41:59,379 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 38 [2020-09-14 12:42:00,801 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 44 [2020-09-14 12:42:01,524 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 41 [2020-09-14 12:42:03,201 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2020-09-14 12:42:03,451 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 38 [2020-09-14 12:42:03,972 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 39 [2020-09-14 12:42:04,219 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 40 [2020-09-14 12:42:04,472 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 35 [2020-09-14 12:42:04,817 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-09-14 12:42:06,067 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 44 [2020-09-14 12:42:06,329 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 34 [2020-09-14 12:42:06,602 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-09-14 12:42:07,144 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 33 [2020-09-14 12:42:07,418 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 34 [2020-09-14 12:42:07,791 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-09-14 12:42:08,075 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-09-14 12:42:08,587 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-09-14 12:42:08,893 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2020-09-14 12:42:09,848 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 33 [2020-09-14 12:42:10,556 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 42 [2020-09-14 12:42:11,830 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 36 [2020-09-14 12:42:12,057 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2020-09-14 12:42:12,668 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 38 [2020-09-14 12:42:13,178 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2020-09-14 12:42:13,449 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2020-09-14 12:42:13,947 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 44 [2020-09-14 12:42:14,820 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-09-14 12:42:15,073 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2020-09-14 12:42:15,439 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 41 [2020-09-14 12:42:16,889 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2020-09-14 12:42:17,793 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 40 [2020-09-14 12:42:18,284 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-09-14 12:42:18,557 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 35 [2020-09-14 12:42:19,090 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 38 [2020-09-14 12:42:19,317 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 39 [2020-09-14 12:42:19,713 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 44 [2020-09-14 12:42:19,997 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 34 [2020-09-14 12:42:20,307 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-09-14 12:42:20,848 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2020-09-14 12:42:21,558 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 34 [2020-09-14 12:42:22,163 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-09-14 12:42:22,480 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 38 [2020-09-14 12:42:22,782 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 33 [2020-09-14 12:42:23,730 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-09-14 12:42:24,074 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-09-14 12:42:24,426 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2020-09-14 12:42:24,891 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 40 [2020-09-14 12:42:25,187 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 31 [2020-09-14 12:42:25,592 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 34 [2020-09-14 12:42:25,849 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 38 [2020-09-14 12:42:26,270 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 37 [2020-09-14 12:42:27,083 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 42 [2020-09-14 12:42:27,758 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 36 [2020-09-14 12:42:28,090 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 36 [2020-09-14 12:42:28,510 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 39 [2020-09-14 12:42:29,627 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 38 [2020-09-14 12:42:29,886 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2020-09-14 12:42:30,163 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2020-09-14 12:42:30,410 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 37 [2020-09-14 12:42:30,835 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 42 [2020-09-14 12:42:31,357 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 33 [2020-09-14 12:42:31,639 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 36 [2020-09-14 12:42:31,901 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 32 [2020-09-14 12:42:32,161 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 32 [2020-09-14 12:42:32,915 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-09-14 12:42:33,232 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2020-09-14 12:42:33,671 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 31 [2020-09-14 12:42:34,059 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2020-09-14 12:42:34,345 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 36 [2020-09-14 12:42:34,792 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 37 [2020-09-14 12:42:35,102 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 37 [2020-09-14 12:42:38,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 12:42:38,599 INFO L93 Difference]: Finished difference Result 8295 states and 14818 transitions. [2020-09-14 12:42:38,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 683 states. [2020-09-14 12:42:38,602 INFO L78 Accepts]: Start accepts. Automaton has 69 states. Word has length 144 [2020-09-14 12:42:38,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 12:42:38,622 INFO L225 Difference]: With dead ends: 8295 [2020-09-14 12:42:38,622 INFO L226 Difference]: Without dead ends: 8295 [2020-09-14 12:42:38,637 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1476 GetRequests, 752 SyntacticMatches, 0 SemanticMatches, 724 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 261314 ImplicationChecksByTransitivity, 109.1s TimeCoverageRelationStatistics Valid=56454, Invalid=469896, Unknown=0, NotChecked=0, Total=526350 [2020-09-14 12:42:38,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8295 states. [2020-09-14 12:42:38,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8295 to 4676. [2020-09-14 12:42:38,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4676 states. [2020-09-14 12:42:38,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4676 states to 4676 states and 8323 transitions. [2020-09-14 12:42:38,734 INFO L78 Accepts]: Start accepts. Automaton has 4676 states and 8323 transitions. Word has length 144 [2020-09-14 12:42:38,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 12:42:38,735 INFO L479 AbstractCegarLoop]: Abstraction has 4676 states and 8323 transitions. [2020-09-14 12:42:38,735 INFO L480 AbstractCegarLoop]: Interpolant automaton has 69 states. [2020-09-14 12:42:38,735 INFO L276 IsEmpty]: Start isEmpty. Operand 4676 states and 8323 transitions. [2020-09-14 12:42:38,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-09-14 12:42:38,744 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:42:38,744 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] [2020-09-14 12:42:38,957 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-14 12:42:38,958 INFO L427 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-14 12:42:38,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:42:38,958 INFO L82 PathProgramCache]: Analyzing trace with hash 1631580575, now seen corresponding path program 12 times [2020-09-14 12:42:38,959 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:42:38,959 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493878577] [2020-09-14 12:42:38,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:42:39,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:42:39,707 INFO L134 CoverageAnalysis]: Checked inductivity of 943 backedges. 0 proven. 943 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:42:39,708 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493878577] [2020-09-14 12:42:39,708 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [545667978] [2020-09-14 12:42:39,708 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate-2/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