/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 0.1.25-507b705 [2020-09-11 12:02:05,134 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-11 12:02:05,139 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-11 12:02:05,182 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-11 12:02:05,182 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-11 12:02:05,194 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-11 12:02:05,196 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-11 12:02:05,200 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-11 12:02:05,202 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-11 12:02:05,205 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-11 12:02:05,208 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-11 12:02:05,210 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-11 12:02:05,211 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-11 12:02:05,214 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-11 12:02:05,217 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-11 12:02:05,219 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-11 12:02:05,221 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-11 12:02:05,222 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-11 12:02:05,224 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-11 12:02:05,235 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-11 12:02:05,238 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-11 12:02:05,239 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-11 12:02:05,240 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-11 12:02:05,241 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-11 12:02:05,245 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-11 12:02:05,245 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-11 12:02:05,246 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-11 12:02:05,249 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-11 12:02:05,250 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-11 12:02:05,252 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-11 12:02:05,252 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-11 12:02:05,253 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-11 12:02:05,254 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-11 12:02:05,255 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-11 12:02:05,256 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-11 12:02:05,256 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-11 12:02:05,257 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-11 12:02:05,257 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-11 12:02:05,258 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-11 12:02:05,259 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-11 12:02:05,260 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-11 12:02:05,261 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 [2020-09-11 12:02:05,288 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-11 12:02:05,289 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-11 12:02:05,290 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-11 12:02:05,290 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-11 12:02:05,291 INFO L138 SettingsManager]: * Use SBE=true [2020-09-11 12:02:05,291 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-11 12:02:05,291 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-11 12:02:05,291 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-11 12:02:05,292 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-11 12:02:05,292 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-11 12:02:05,292 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-11 12:02:05,292 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-11 12:02:05,292 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-11 12:02:05,293 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-11 12:02:05,293 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-11 12:02:05,293 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-11 12:02:05,293 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-11 12:02:05,294 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-11 12:02:05,294 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-11 12:02:05,294 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-11 12:02:05,294 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-11 12:02:05,294 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-11 12:02:05,295 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-11 12:02:05,295 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-11 12:02:05,295 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-11 12:02:05,295 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-11 12:02:05,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-11 12:02:05,296 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-11 12:02:05,296 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-11 12:02:05,296 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-11 12:02:05,748 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-11 12:02:05,766 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-11 12:02:05,771 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-11 12:02:05,772 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-11 12:02:05,773 INFO L275 PluginConnector]: CDTParser initialized [2020-09-11 12:02:05,774 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue_ok_longest.i [2020-09-11 12:02:05,867 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9351993df/bf36ad13367c4e4fada443c732199417/FLAG945baf7ce [2020-09-11 12:02:06,529 INFO L306 CDTParser]: Found 1 translation units. [2020-09-11 12:02:06,535 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread/queue_ok_longest.i [2020-09-11 12:02:06,557 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9351993df/bf36ad13367c4e4fada443c732199417/FLAG945baf7ce [2020-09-11 12:02:06,771 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9351993df/bf36ad13367c4e4fada443c732199417 [2020-09-11 12:02:06,785 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-11 12:02:06,791 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-09-11 12:02:06,792 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-11 12:02:06,793 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-11 12:02:06,797 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-11 12:02:06,798 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 12:02:06" (1/1) ... [2020-09-11 12:02:06,803 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cbc2bf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 12:02:06, skipping insertion in model container [2020-09-11 12:02:06,803 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 12:02:06" (1/1) ... [2020-09-11 12:02:06,812 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-11 12:02:06,872 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-11 12:02:07,506 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-11 12:02:07,527 INFO L203 MainTranslator]: Completed pre-run [2020-09-11 12:02:07,616 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-11 12:02:07,776 INFO L208 MainTranslator]: Completed translation [2020-09-11 12:02:07,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 12:02:07 WrapperNode [2020-09-11 12:02:07,776 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-11 12:02:07,778 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-09-11 12:02:07,778 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-09-11 12:02:07,778 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-09-11 12:02:07,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 12:02:07" (1/1) ... [2020-09-11 12:02:07,849 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 12:02:07" (1/1) ... [2020-09-11 12:02:07,897 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-09-11 12:02:07,897 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-11 12:02:07,898 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-11 12:02:07,898 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-11 12:02:07,916 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 12:02:07" (1/1) ... [2020-09-11 12:02:07,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 12:02:07" (1/1) ... [2020-09-11 12:02:07,922 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 12:02:07" (1/1) ... [2020-09-11 12:02:07,923 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 12:02:07" (1/1) ... [2020-09-11 12:02:07,937 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 12:02:07" (1/1) ... [2020-09-11 12:02:07,945 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 12:02:07" (1/1) ... [2020-09-11 12:02:07,948 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 12:02:07" (1/1) ... [2020-09-11 12:02:07,953 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-11 12:02:07,953 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-11 12:02:07,954 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-11 12:02:07,954 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-11 12:02:07,955 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 12:02:07" (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 [2020-09-11 12:02:08,075 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-09-11 12:02:08,075 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-09-11 12:02:08,076 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-09-11 12:02:08,076 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-09-11 12:02:08,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-11 12:02:08,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-11 12:02:08,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-11 12:02:08,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-11 12:02:08,080 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-09-11 12:02:08,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-11 12:02:08,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-11 12:02:08,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-11 12:02:08,085 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-09-11 12:02:09,011 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-11 12:02:09,011 INFO L295 CfgBuilder]: Removed 16 assume(true) statements. [2020-09-11 12:02:09,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 12:02:09 BoogieIcfgContainer [2020-09-11 12:02:09,017 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-11 12:02:09,018 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-11 12:02:09,018 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-11 12:02:09,022 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-11 12:02:09,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.09 12:02:06" (1/3) ... [2020-09-11 12:02:09,024 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60b991f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.09 12:02:09, skipping insertion in model container [2020-09-11 12:02:09,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 12:02:07" (2/3) ... [2020-09-11 12:02:09,024 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60b991f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.09 12:02:09, skipping insertion in model container [2020-09-11 12:02:09,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 12:02:09" (3/3) ... [2020-09-11 12:02:09,027 INFO L109 eAbstractionObserver]: Analyzing ICFG queue_ok_longest.i [2020-09-11 12:02:09,039 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-09-11 12:02:09,039 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-11 12:02:09,050 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-09-11 12:02:09,052 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-11 12:02:09,094 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,095 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,095 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,095 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,096 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,096 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,096 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,096 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,097 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,097 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,097 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,098 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,098 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,098 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,098 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,098 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,099 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,099 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,099 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,099 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,099 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,100 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,100 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,100 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,100 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,100 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,101 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,101 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,101 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,101 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,101 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,102 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,102 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,102 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,102 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,103 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,103 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,103 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,103 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,103 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,104 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,104 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,104 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,104 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,105 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,105 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,105 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,105 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,105 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,106 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,106 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,106 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,106 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,107 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,107 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,107 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,107 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,108 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,108 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,108 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,108 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,108 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,109 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,109 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,109 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,109 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,109 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,110 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,110 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,110 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,110 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,110 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,111 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,111 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,111 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,111 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,112 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,112 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,112 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,112 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,112 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,113 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,113 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,113 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,113 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,114 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,115 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,115 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,116 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,116 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,116 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,116 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,116 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,117 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,117 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,117 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,118 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,118 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,118 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,118 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,119 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,119 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,119 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,119 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,119 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,120 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,120 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,120 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,120 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,120 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,121 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,121 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,121 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,121 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,122 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,122 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,122 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,122 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,122 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,123 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,123 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,123 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,123 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,123 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,124 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,124 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,124 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,124 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,124 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,125 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,125 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,125 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,125 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,125 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,126 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,126 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,126 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,126 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,126 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,127 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,127 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,127 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,127 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,127 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,128 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,128 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,128 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,128 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,128 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,128 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,129 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,129 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,129 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,129 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,129 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,130 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,130 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,130 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,130 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,131 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,131 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,131 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,131 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,131 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,132 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,132 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,132 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,132 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,132 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,132 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,133 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,133 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,133 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,133 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,134 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,134 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,134 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,134 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,135 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,135 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,135 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,135 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,135 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,135 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,136 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,136 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,136 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,136 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,136 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,137 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,137 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,137 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,137 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,137 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,138 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,138 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,138 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,138 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,138 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,139 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,139 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,139 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,139 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,140 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,140 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,140 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,140 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,140 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,140 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,141 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,141 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,141 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,146 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,147 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,147 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,147 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,147 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,148 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,148 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,148 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,148 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,148 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,149 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,149 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,149 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,149 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,149 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,150 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,150 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,150 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,150 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,150 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,151 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,151 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,151 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,158 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,158 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,158 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,159 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,159 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,159 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,159 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,159 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,160 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,160 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,160 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,160 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,160 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,161 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,161 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,161 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,161 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,161 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,162 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,162 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,162 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,162 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,162 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,163 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,163 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,163 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,163 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,164 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,164 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,164 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,164 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-11 12:02:09,196 INFO L251 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-09-11 12:02:09,223 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-11 12:02:09,223 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-11 12:02:09,223 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-11 12:02:09,223 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-11 12:02:09,223 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-11 12:02:09,223 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-11 12:02:09,223 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-11 12:02:09,223 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-11 12:02:09,245 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 196 places, 204 transitions, 430 flow [2020-09-11 12:02:09,248 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 196 places, 204 transitions, 430 flow [2020-09-11 12:02:09,337 INFO L129 PetriNetUnfolder]: 14/204 cut-off events. [2020-09-11 12:02:09,337 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-09-11 12:02:09,356 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. [2020-09-11 12:02:09,368 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 196 places, 204 transitions, 430 flow [2020-09-11 12:02:09,424 INFO L129 PetriNetUnfolder]: 14/204 cut-off events. [2020-09-11 12:02:09,425 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-09-11 12:02:09,430 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. [2020-09-11 12:02:09,439 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 9440 [2020-09-11 12:02:09,441 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-09-11 12:02:13,614 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2020-09-11 12:02:14,697 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-09-11 12:02:14,863 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-09-11 12:02:15,700 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 122 [2020-09-11 12:02:15,997 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-09-11 12:02:17,017 WARN L193 SmtUtils]: Spent 985.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 147 [2020-09-11 12:02:17,448 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-09-11 12:02:17,474 INFO L206 etLargeBlockEncoding]: Checked pairs total: 17748 [2020-09-11 12:02:17,474 INFO L214 etLargeBlockEncoding]: Total number of compositions: 178 [2020-09-11 12:02:17,479 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 53 places, 55 transitions, 132 flow [2020-09-11 12:02:17,522 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 716 states. [2020-09-11 12:02:17,525 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states. [2020-09-11 12:02:17,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2020-09-11 12:02:17,533 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 12:02:17,534 INFO L422 BasicCegarLoop]: trace histogram [1] [2020-09-11 12:02:17,534 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 12:02:17,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 12:02:17,542 INFO L82 PathProgramCache]: Analyzing trace with hash 810, now seen corresponding path program 1 times [2020-09-11 12:02:17,557 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 12:02:17,557 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567177578] [2020-09-11 12:02:17,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 12:02:17,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 12:02:17,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 12:02:17,698 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567177578] [2020-09-11 12:02:17,698 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 12:02:17,699 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2020-09-11 12:02:17,700 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178558625] [2020-09-11 12:02:17,705 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-09-11 12:02:17,705 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 12:02:17,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-09-11 12:02:17,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-09-11 12:02:17,727 INFO L87 Difference]: Start difference. First operand 716 states. Second operand 2 states. [2020-09-11 12:02:17,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 12:02:17,784 INFO L93 Difference]: Finished difference Result 715 states and 1901 transitions. [2020-09-11 12:02:17,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-09-11 12:02:17,786 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1 [2020-09-11 12:02:17,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 12:02:17,826 INFO L225 Difference]: With dead ends: 715 [2020-09-11 12:02:17,826 INFO L226 Difference]: Without dead ends: 524 [2020-09-11 12:02:17,828 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 [2020-09-11 12:02:17,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2020-09-11 12:02:17,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 524. [2020-09-11 12:02:17,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 524 states. [2020-09-11 12:02:17,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 1400 transitions. [2020-09-11 12:02:17,924 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 1400 transitions. Word has length 1 [2020-09-11 12:02:17,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 12:02:17,924 INFO L479 AbstractCegarLoop]: Abstraction has 524 states and 1400 transitions. [2020-09-11 12:02:17,924 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-09-11 12:02:17,925 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 1400 transitions. [2020-09-11 12:02:17,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-09-11 12:02:17,929 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 12:02:17,930 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 12:02:17,930 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-11 12:02:17,930 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 12:02:17,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 12:02:17,931 INFO L82 PathProgramCache]: Analyzing trace with hash 1385599744, now seen corresponding path program 1 times [2020-09-11 12:02:17,931 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 12:02:17,931 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59532788] [2020-09-11 12:02:17,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 12:02:18,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 12:02:18,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 12:02:18,090 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59532788] [2020-09-11 12:02:18,090 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 12:02:18,090 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-11 12:02:18,090 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18087546] [2020-09-11 12:02:18,092 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-11 12:02:18,092 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 12:02:18,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-11 12:02:18,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-11 12:02:18,093 INFO L87 Difference]: Start difference. First operand 524 states and 1400 transitions. Second operand 3 states. [2020-09-11 12:02:18,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 12:02:18,113 INFO L93 Difference]: Finished difference Result 236 states and 509 transitions. [2020-09-11 12:02:18,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-11 12:02:18,114 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2020-09-11 12:02:18,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 12:02:18,116 INFO L225 Difference]: With dead ends: 236 [2020-09-11 12:02:18,117 INFO L226 Difference]: Without dead ends: 212 [2020-09-11 12:02:18,118 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 [2020-09-11 12:02:18,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2020-09-11 12:02:18,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2020-09-11 12:02:18,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2020-09-11 12:02:18,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 464 transitions. [2020-09-11 12:02:18,130 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 464 transitions. Word has length 15 [2020-09-11 12:02:18,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 12:02:18,131 INFO L479 AbstractCegarLoop]: Abstraction has 212 states and 464 transitions. [2020-09-11 12:02:18,131 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-11 12:02:18,131 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 464 transitions. [2020-09-11 12:02:18,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-09-11 12:02:18,133 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 12:02:18,133 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-11 12:02:18,133 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-11 12:02:18,133 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 12:02:18,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 12:02:18,134 INFO L82 PathProgramCache]: Analyzing trace with hash 1061498615, now seen corresponding path program 1 times [2020-09-11 12:02:18,134 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 12:02:18,135 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754760594] [2020-09-11 12:02:18,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 12:02:18,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 12:02:18,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 12:02:18,293 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754760594] [2020-09-11 12:02:18,293 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 12:02:18,293 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-11 12:02:18,293 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835298798] [2020-09-11 12:02:18,294 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-11 12:02:18,294 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 12:02:18,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-11 12:02:18,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-11 12:02:18,295 INFO L87 Difference]: Start difference. First operand 212 states and 464 transitions. Second operand 3 states. [2020-09-11 12:02:18,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 12:02:18,337 INFO L93 Difference]: Finished difference Result 272 states and 590 transitions. [2020-09-11 12:02:18,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-11 12:02:18,338 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-09-11 12:02:18,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 12:02:18,340 INFO L225 Difference]: With dead ends: 272 [2020-09-11 12:02:18,340 INFO L226 Difference]: Without dead ends: 272 [2020-09-11 12:02:18,341 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 [2020-09-11 12:02:18,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2020-09-11 12:02:18,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 218. [2020-09-11 12:02:18,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2020-09-11 12:02:18,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 476 transitions. [2020-09-11 12:02:18,371 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 476 transitions. Word has length 19 [2020-09-11 12:02:18,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 12:02:18,372 INFO L479 AbstractCegarLoop]: Abstraction has 218 states and 476 transitions. [2020-09-11 12:02:18,377 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-11 12:02:18,377 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 476 transitions. [2020-09-11 12:02:18,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-11 12:02:18,379 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 12:02:18,379 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] [2020-09-11 12:02:18,379 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-11 12:02:18,379 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 12:02:18,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 12:02:18,380 INFO L82 PathProgramCache]: Analyzing trace with hash -1197878433, now seen corresponding path program 1 times [2020-09-11 12:02:18,380 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 12:02:18,380 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321122812] [2020-09-11 12:02:18,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 12:02:18,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 12:02:18,554 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 12:02:18,554 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321122812] [2020-09-11 12:02:18,554 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-11 12:02:18,555 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-11 12:02:18,555 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035003854] [2020-09-11 12:02:18,555 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-11 12:02:18,555 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 12:02:18,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-11 12:02:18,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-11 12:02:18,556 INFO L87 Difference]: Start difference. First operand 218 states and 476 transitions. Second operand 3 states. [2020-09-11 12:02:18,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 12:02:18,573 INFO L93 Difference]: Finished difference Result 166 states and 334 transitions. [2020-09-11 12:02:18,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-11 12:02:18,574 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-09-11 12:02:18,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 12:02:18,575 INFO L225 Difference]: With dead ends: 166 [2020-09-11 12:02:18,575 INFO L226 Difference]: Without dead ends: 164 [2020-09-11 12:02:18,576 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 [2020-09-11 12:02:18,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2020-09-11 12:02:18,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2020-09-11 12:02:18,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2020-09-11 12:02:18,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 331 transitions. [2020-09-11 12:02:18,582 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 331 transitions. Word has length 26 [2020-09-11 12:02:18,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 12:02:18,583 INFO L479 AbstractCegarLoop]: Abstraction has 164 states and 331 transitions. [2020-09-11 12:02:18,583 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-11 12:02:18,583 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 331 transitions. [2020-09-11 12:02:18,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-09-11 12:02:18,584 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 12:02:18,584 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] [2020-09-11 12:02:18,585 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-11 12:02:18,585 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 12:02:18,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 12:02:18,585 INFO L82 PathProgramCache]: Analyzing trace with hash -969107883, now seen corresponding path program 1 times [2020-09-11 12:02:18,586 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 12:02:18,586 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127912885] [2020-09-11 12:02:18,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 12:02:18,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 12:02:18,698 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 12:02:18,698 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127912885] [2020-09-11 12:02:18,699 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1649200107] [2020-09-11 12:02:18,699 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 [2020-09-11 12:02:18,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 12:02:18,825 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 3 conjunts are in the unsatisfiable core [2020-09-11 12:02:18,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-11 12:02:18,876 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 12:02:18,877 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-11 12:02:18,877 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-09-11 12:02:18,877 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522950277] [2020-09-11 12:02:18,878 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-11 12:02:18,878 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 12:02:18,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-11 12:02:18,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-09-11 12:02:18,879 INFO L87 Difference]: Start difference. First operand 164 states and 331 transitions. Second operand 5 states. [2020-09-11 12:02:18,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 12:02:18,913 INFO L93 Difference]: Finished difference Result 240 states and 472 transitions. [2020-09-11 12:02:18,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-11 12:02:18,914 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-09-11 12:02:18,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 12:02:18,916 INFO L225 Difference]: With dead ends: 240 [2020-09-11 12:02:18,916 INFO L226 Difference]: Without dead ends: 240 [2020-09-11 12:02:18,917 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 [2020-09-11 12:02:18,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-09-11 12:02:18,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 204. [2020-09-11 12:02:18,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2020-09-11 12:02:18,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 405 transitions. [2020-09-11 12:02:18,924 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 405 transitions. Word has length 27 [2020-09-11 12:02:18,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 12:02:18,925 INFO L479 AbstractCegarLoop]: Abstraction has 204 states and 405 transitions. [2020-09-11 12:02:18,925 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-11 12:02:18,925 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 405 transitions. [2020-09-11 12:02:18,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-09-11 12:02:18,926 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 12:02:18,927 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] [2020-09-11 12:02:19,141 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-11 12:02:19,142 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 12:02:19,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 12:02:19,143 INFO L82 PathProgramCache]: Analyzing trace with hash 1561383711, now seen corresponding path program 2 times [2020-09-11 12:02:19,143 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 12:02:19,144 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025252126] [2020-09-11 12:02:19,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 12:02:19,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 12:02:19,278 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 12:02:19,279 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025252126] [2020-09-11 12:02:19,279 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2038515325] [2020-09-11 12:02:19,279 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 [2020-09-11 12:02:19,499 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-09-11 12:02:19,499 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-11 12:02:19,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 4 conjunts are in the unsatisfiable core [2020-09-11 12:02:19,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-11 12:02:19,522 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 12:02:19,523 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-11 12:02:19,523 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-09-11 12:02:19,523 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064753847] [2020-09-11 12:02:19,524 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-11 12:02:19,524 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 12:02:19,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-11 12:02:19,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-09-11 12:02:19,525 INFO L87 Difference]: Start difference. First operand 204 states and 405 transitions. Second operand 6 states. [2020-09-11 12:02:19,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 12:02:19,566 INFO L93 Difference]: Finished difference Result 280 states and 546 transitions. [2020-09-11 12:02:19,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-11 12:02:19,567 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2020-09-11 12:02:19,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 12:02:19,569 INFO L225 Difference]: With dead ends: 280 [2020-09-11 12:02:19,569 INFO L226 Difference]: Without dead ends: 280 [2020-09-11 12:02:19,570 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 [2020-09-11 12:02:19,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2020-09-11 12:02:19,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 244. [2020-09-11 12:02:19,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2020-09-11 12:02:19,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 479 transitions. [2020-09-11 12:02:19,578 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 479 transitions. Word has length 34 [2020-09-11 12:02:19,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 12:02:19,578 INFO L479 AbstractCegarLoop]: Abstraction has 244 states and 479 transitions. [2020-09-11 12:02:19,578 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-11 12:02:19,579 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 479 transitions. [2020-09-11 12:02:19,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-09-11 12:02:19,580 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 12:02:19,580 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] [2020-09-11 12:02:19,795 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-11 12:02:19,796 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 12:02:19,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 12:02:19,796 INFO L82 PathProgramCache]: Analyzing trace with hash -303137003, now seen corresponding path program 3 times [2020-09-11 12:02:19,797 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 12:02:19,797 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111828834] [2020-09-11 12:02:19,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 12:02:19,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 12:02:19,932 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 12:02:19,933 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111828834] [2020-09-11 12:02:19,933 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [268102849] [2020-09-11 12:02:19,933 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 [2020-09-11 12:02:20,431 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2020-09-11 12:02:20,431 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-11 12:02:20,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 5 conjunts are in the unsatisfiable core [2020-09-11 12:02:20,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-11 12:02:20,465 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 12:02:20,465 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-11 12:02:20,465 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2020-09-11 12:02:20,466 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605986758] [2020-09-11 12:02:20,466 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-11 12:02:20,467 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 12:02:20,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-11 12:02:20,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-09-11 12:02:20,467 INFO L87 Difference]: Start difference. First operand 244 states and 479 transitions. Second operand 7 states. [2020-09-11 12:02:20,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 12:02:20,536 INFO L93 Difference]: Finished difference Result 320 states and 620 transitions. [2020-09-11 12:02:20,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-11 12:02:20,536 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 41 [2020-09-11 12:02:20,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 12:02:20,538 INFO L225 Difference]: With dead ends: 320 [2020-09-11 12:02:20,539 INFO L226 Difference]: Without dead ends: 320 [2020-09-11 12:02:20,539 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 [2020-09-11 12:02:20,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2020-09-11 12:02:20,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 284. [2020-09-11 12:02:20,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 284 states. [2020-09-11 12:02:20,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 553 transitions. [2020-09-11 12:02:20,549 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 553 transitions. Word has length 41 [2020-09-11 12:02:20,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 12:02:20,550 INFO L479 AbstractCegarLoop]: Abstraction has 284 states and 553 transitions. [2020-09-11 12:02:20,550 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-11 12:02:20,550 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 553 transitions. [2020-09-11 12:02:20,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-09-11 12:02:20,551 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 12:02:20,551 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] [2020-09-11 12:02:20,764 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-11 12:02:20,765 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 12:02:20,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 12:02:20,766 INFO L82 PathProgramCache]: Analyzing trace with hash 1439404639, now seen corresponding path program 4 times [2020-09-11 12:02:20,766 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 12:02:20,767 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740921958] [2020-09-11 12:02:20,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 12:02:20,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 12:02:20,912 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 12:02:20,912 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740921958] [2020-09-11 12:02:20,912 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [760938911] [2020-09-11 12:02:20,913 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 [2020-09-11 12:02:21,238 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-09-11 12:02:21,238 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-11 12:02:21,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 6 conjunts are in the unsatisfiable core [2020-09-11 12:02:21,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-11 12:02:21,274 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 12:02:21,274 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-11 12:02:21,275 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2020-09-11 12:02:21,275 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736687064] [2020-09-11 12:02:21,275 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-11 12:02:21,276 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 12:02:21,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-11 12:02:21,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2020-09-11 12:02:21,277 INFO L87 Difference]: Start difference. First operand 284 states and 553 transitions. Second operand 8 states. [2020-09-11 12:02:21,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 12:02:21,348 INFO L93 Difference]: Finished difference Result 360 states and 694 transitions. [2020-09-11 12:02:21,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-11 12:02:21,349 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 48 [2020-09-11 12:02:21,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 12:02:21,354 INFO L225 Difference]: With dead ends: 360 [2020-09-11 12:02:21,354 INFO L226 Difference]: Without dead ends: 360 [2020-09-11 12:02:21,355 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 [2020-09-11 12:02:21,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-09-11 12:02:21,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 324. [2020-09-11 12:02:21,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324 states. [2020-09-11 12:02:21,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 627 transitions. [2020-09-11 12:02:21,365 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 627 transitions. Word has length 48 [2020-09-11 12:02:21,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 12:02:21,366 INFO L479 AbstractCegarLoop]: Abstraction has 324 states and 627 transitions. [2020-09-11 12:02:21,366 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-11 12:02:21,366 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 627 transitions. [2020-09-11 12:02:21,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-09-11 12:02:21,368 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 12:02:21,368 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] [2020-09-11 12:02:21,577 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-11 12:02:21,578 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 12:02:21,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 12:02:21,579 INFO L82 PathProgramCache]: Analyzing trace with hash -2001070123, now seen corresponding path program 5 times [2020-09-11 12:02:21,579 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 12:02:21,580 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977602232] [2020-09-11 12:02:21,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 12:02:21,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 12:02:21,748 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 12:02:21,748 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977602232] [2020-09-11 12:02:21,749 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1315227648] [2020-09-11 12:02:21,749 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 [2020-09-11 12:02:21,978 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2020-09-11 12:02:21,978 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-11 12:02:21,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 39 conjunts are in the unsatisfiable core [2020-09-11 12:02:21,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-11 12:02:22,053 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 [2020-09-11 12:02:22,054 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:02:22,057 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:02:22,057 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:02:22,058 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:9 [2020-09-11 12:02:22,111 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:02:22,112 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 62 [2020-09-11 12:02:22,113 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:02:22,146 INFO L625 ElimStorePlain]: treesize reduction 24, result has 62.5 percent of original size [2020-09-11 12:02:22,152 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-11 12:02:22,169 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-11 12:02:22,169 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:35 [2020-09-11 12:02:22,253 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-11 12:02:22,305 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:02:22,306 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2020-09-11 12:02:22,308 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-11 12:02:22,311 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:02:22,321 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-11 12:02:22,345 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:02:22,346 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 [2020-09-11 12:02:22,347 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-11 12:02:22,456 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2020-09-11 12:02:22,458 INFO L625 ElimStorePlain]: treesize reduction 50, result has 64.8 percent of original size [2020-09-11 12:02:22,464 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-11 12:02:22,465 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:96, output treesize:48 [2020-09-11 12:02:22,513 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-11 12:02:22,529 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 [2020-09-11 12:02:22,530 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:02:22,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-11 12:02:22,543 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2020-09-11 12:02:22,544 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-11 12:02:22,581 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:02:22,583 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-11 12:02:22,584 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-09-11 12:02:22,665 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2020-09-11 12:02:22,667 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:02:22,680 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:02:22,681 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:02:22,681 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:34 [2020-09-11 12:02:22,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-11 12:02:22,752 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2020-09-11 12:02:22,753 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:02:22,762 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:02:22,764 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:02:22,765 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:40, output treesize:9 [2020-09-11 12:02:22,806 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:02:22,807 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2020-09-11 12:02:22,808 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:02:22,829 INFO L625 ElimStorePlain]: treesize reduction 30, result has 44.4 percent of original size [2020-09-11 12:02:22,832 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:02:22,833 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:34, output treesize:9 [2020-09-11 12:02:22,868 INFO L350 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2020-09-11 12:02:22,868 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 [2020-09-11 12:02:22,869 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:02:22,875 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:02:22,877 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:02:22,877 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:9 [2020-09-11 12:02:22,894 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 63 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-09-11 12:02:22,894 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-11 12:02:22,894 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 17 [2020-09-11 12:02:22,895 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783513075] [2020-09-11 12:02:22,895 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-11 12:02:22,895 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 12:02:22,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-11 12:02:22,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2020-09-11 12:02:22,896 INFO L87 Difference]: Start difference. First operand 324 states and 627 transitions. Second operand 17 states. [2020-09-11 12:02:26,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 12:02:26,491 INFO L93 Difference]: Finished difference Result 990 states and 1887 transitions. [2020-09-11 12:02:26,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-09-11 12:02:26,492 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 55 [2020-09-11 12:02:26,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 12:02:26,499 INFO L225 Difference]: With dead ends: 990 [2020-09-11 12:02:26,500 INFO L226 Difference]: Without dead ends: 990 [2020-09-11 12:02:26,501 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 940 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=738, Invalid=2342, Unknown=0, NotChecked=0, Total=3080 [2020-09-11 12:02:26,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 990 states. [2020-09-11 12:02:26,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 990 to 640. [2020-09-11 12:02:26,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 640 states. [2020-09-11 12:02:26,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 1212 transitions. [2020-09-11 12:02:26,521 INFO L78 Accepts]: Start accepts. Automaton has 640 states and 1212 transitions. Word has length 55 [2020-09-11 12:02:26,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 12:02:26,521 INFO L479 AbstractCegarLoop]: Abstraction has 640 states and 1212 transitions. [2020-09-11 12:02:26,521 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-11 12:02:26,521 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 1212 transitions. [2020-09-11 12:02:26,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-09-11 12:02:26,524 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 12:02:26,524 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] [2020-09-11 12:02:26,737 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-11 12:02:26,737 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 12:02:26,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 12:02:26,738 INFO L82 PathProgramCache]: Analyzing trace with hash 1721466975, now seen corresponding path program 1 times [2020-09-11 12:02:26,738 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 12:02:26,739 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432240115] [2020-09-11 12:02:26,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 12:02:26,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 12:02:26,945 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 12:02:26,945 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432240115] [2020-09-11 12:02:26,946 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1632446874] [2020-09-11 12:02:26,946 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 [2020-09-11 12:02:27,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 12:02:27,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 8 conjunts are in the unsatisfiable core [2020-09-11 12:02:27,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-11 12:02:27,102 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 12:02:27,102 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-11 12:02:27,103 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2020-09-11 12:02:27,103 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737372742] [2020-09-11 12:02:27,103 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-11 12:02:27,104 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 12:02:27,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-11 12:02:27,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2020-09-11 12:02:27,104 INFO L87 Difference]: Start difference. First operand 640 states and 1212 transitions. Second operand 10 states. [2020-09-11 12:02:27,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 12:02:27,174 INFO L93 Difference]: Finished difference Result 828 states and 1557 transitions. [2020-09-11 12:02:27,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-11 12:02:27,175 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 64 [2020-09-11 12:02:27,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 12:02:27,180 INFO L225 Difference]: With dead ends: 828 [2020-09-11 12:02:27,180 INFO L226 Difference]: Without dead ends: 828 [2020-09-11 12:02:27,180 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 [2020-09-11 12:02:27,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2020-09-11 12:02:27,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 740. [2020-09-11 12:02:27,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 740 states. [2020-09-11 12:02:27,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 740 states and 1395 transitions. [2020-09-11 12:02:27,200 INFO L78 Accepts]: Start accepts. Automaton has 740 states and 1395 transitions. Word has length 64 [2020-09-11 12:02:27,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 12:02:27,200 INFO L479 AbstractCegarLoop]: Abstraction has 740 states and 1395 transitions. [2020-09-11 12:02:27,201 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-11 12:02:27,201 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 1395 transitions. [2020-09-11 12:02:27,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-09-11 12:02:27,203 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 12:02:27,203 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] [2020-09-11 12:02:27,418 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-11 12:02:27,419 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 12:02:27,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 12:02:27,419 INFO L82 PathProgramCache]: Analyzing trace with hash 1068182613, now seen corresponding path program 2 times [2020-09-11 12:02:27,420 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 12:02:27,420 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583429485] [2020-09-11 12:02:27,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 12:02:27,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 12:02:27,626 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 12:02:27,626 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583429485] [2020-09-11 12:02:27,627 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1875003507] [2020-09-11 12:02:27,627 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 [2020-09-11 12:02:27,906 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-09-11 12:02:27,906 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-11 12:02:27,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 9 conjunts are in the unsatisfiable core [2020-09-11 12:02:27,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-11 12:02:27,939 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 12:02:27,939 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-11 12:02:27,939 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 11 [2020-09-11 12:02:27,940 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937442600] [2020-09-11 12:02:27,940 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-11 12:02:27,940 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 12:02:27,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-11 12:02:27,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2020-09-11 12:02:27,941 INFO L87 Difference]: Start difference. First operand 740 states and 1395 transitions. Second operand 11 states. [2020-09-11 12:02:28,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 12:02:28,028 INFO L93 Difference]: Finished difference Result 928 states and 1740 transitions. [2020-09-11 12:02:28,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-11 12:02:28,029 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 71 [2020-09-11 12:02:28,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 12:02:28,034 INFO L225 Difference]: With dead ends: 928 [2020-09-11 12:02:28,034 INFO L226 Difference]: Without dead ends: 928 [2020-09-11 12:02:28,034 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 [2020-09-11 12:02:28,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 928 states. [2020-09-11 12:02:28,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 928 to 840. [2020-09-11 12:02:28,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 840 states. [2020-09-11 12:02:28,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 840 states and 1578 transitions. [2020-09-11 12:02:28,056 INFO L78 Accepts]: Start accepts. Automaton has 840 states and 1578 transitions. Word has length 71 [2020-09-11 12:02:28,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 12:02:28,057 INFO L479 AbstractCegarLoop]: Abstraction has 840 states and 1578 transitions. [2020-09-11 12:02:28,057 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-11 12:02:28,057 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1578 transitions. [2020-09-11 12:02:28,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-09-11 12:02:28,059 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 12:02:28,060 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] [2020-09-11 12:02:28,274 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-11 12:02:28,275 INFO L427 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 12:02:28,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 12:02:28,275 INFO L82 PathProgramCache]: Analyzing trace with hash -1341473003, now seen corresponding path program 3 times [2020-09-11 12:02:28,276 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 12:02:28,276 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876037152] [2020-09-11 12:02:28,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 12:02:28,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 12:02:28,505 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 177 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 12:02:28,506 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876037152] [2020-09-11 12:02:28,506 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [673015556] [2020-09-11 12:02:28,506 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 [2020-09-11 12:02:29,120 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2020-09-11 12:02:29,120 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-11 12:02:29,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 56 conjunts are in the unsatisfiable core [2020-09-11 12:02:29,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-11 12:02:29,140 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 [2020-09-11 12:02:29,143 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:02:29,195 INFO L625 ElimStorePlain]: treesize reduction 65, result has 20.7 percent of original size [2020-09-11 12:02:29,198 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:02:29,199 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:20, output treesize:4 [2020-09-11 12:02:29,248 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 [2020-09-11 12:02:29,248 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:02:29,254 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:02:29,254 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:02:29,254 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2020-09-11 12:02:29,291 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 [2020-09-11 12:02:29,292 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:02:29,305 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:02:29,308 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:02:29,308 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:14 [2020-09-11 12:02:29,366 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-11 12:02:29,383 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:02:29,384 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 [2020-09-11 12:02:29,385 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:02:29,419 INFO L625 ElimStorePlain]: treesize reduction 30, result has 53.1 percent of original size [2020-09-11 12:02:29,423 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:02:29,423 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:44, output treesize:20 [2020-09-11 12:02:29,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-11 12:02:29,466 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 [2020-09-11 12:02:29,466 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:02:29,482 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:02:29,490 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:02:29,491 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:35, output treesize:20 [2020-09-11 12:02:29,537 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 [2020-09-11 12:02:29,538 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:02:29,546 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:02:29,546 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:02:29,547 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:38, output treesize:14 [2020-09-11 12:02:29,578 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-11 12:02:29,579 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:02:29,591 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:02:29,592 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:02:29,593 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:29, output treesize:9 [2020-09-11 12:02:29,650 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-11 12:02:29,669 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:02:29,670 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 [2020-09-11 12:02:29,674 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2020-09-11 12:02:29,674 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-09-11 12:02:29,676 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-09-11 12:02:29,713 INFO L625 ElimStorePlain]: treesize reduction 91, result has 26.6 percent of original size [2020-09-11 12:02:29,714 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:02:29,714 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:37, output treesize:16 [2020-09-11 12:02:29,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-11 12:02:29,751 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 [2020-09-11 12:02:29,752 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:02:29,763 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:02:29,764 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:02:29,764 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:31, output treesize:16 [2020-09-11 12:02:29,772 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 [2020-09-11 12:02:29,773 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:02:29,775 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:02:29,775 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:02:29,775 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:1 [2020-09-11 12:02:29,788 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 78 proven. 35 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2020-09-11 12:02:29,788 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-11 12:02:29,789 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2020-09-11 12:02:29,789 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597934151] [2020-09-11 12:02:29,789 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-09-11 12:02:29,790 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 12:02:29,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-09-11 12:02:29,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=316, Unknown=0, NotChecked=0, Total=420 [2020-09-11 12:02:29,790 INFO L87 Difference]: Start difference. First operand 840 states and 1578 transitions. Second operand 21 states. [2020-09-11 12:02:33,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 12:02:33,231 INFO L93 Difference]: Finished difference Result 1310 states and 2402 transitions. [2020-09-11 12:02:33,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2020-09-11 12:02:33,232 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 79 [2020-09-11 12:02:33,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 12:02:33,239 INFO L225 Difference]: With dead ends: 1310 [2020-09-11 12:02:33,239 INFO L226 Difference]: Without dead ends: 1310 [2020-09-11 12:02:33,241 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1975 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1527, Invalid=4173, Unknown=0, NotChecked=0, Total=5700 [2020-09-11 12:02:33,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1310 states. [2020-09-11 12:02:33,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1310 to 885. [2020-09-11 12:02:33,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 885 states. [2020-09-11 12:02:33,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 885 states and 1627 transitions. [2020-09-11 12:02:33,264 INFO L78 Accepts]: Start accepts. Automaton has 885 states and 1627 transitions. Word has length 79 [2020-09-11 12:02:33,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 12:02:33,265 INFO L479 AbstractCegarLoop]: Abstraction has 885 states and 1627 transitions. [2020-09-11 12:02:33,265 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-09-11 12:02:33,265 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1627 transitions. [2020-09-11 12:02:33,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-09-11 12:02:33,267 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 12:02:33,267 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] [2020-09-11 12:02:33,482 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-09-11 12:02:33,483 INFO L427 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 12:02:33,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 12:02:33,483 INFO L82 PathProgramCache]: Analyzing trace with hash 1687151893, now seen corresponding path program 4 times [2020-09-11 12:02:33,484 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 12:02:33,484 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191216099] [2020-09-11 12:02:33,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 12:02:33,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 12:02:33,784 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 12:02:33,785 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191216099] [2020-09-11 12:02:33,785 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [226691389] [2020-09-11 12:02:33,785 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 [2020-09-11 12:02:37,169 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-09-11 12:02:37,169 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-11 12:02:37,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 11 conjunts are in the unsatisfiable core [2020-09-11 12:02:37,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-11 12:02:37,237 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 12:02:37,237 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-11 12:02:37,237 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 13 [2020-09-11 12:02:37,238 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001296165] [2020-09-11 12:02:37,238 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-11 12:02:37,238 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 12:02:37,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-11 12:02:37,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2020-09-11 12:02:37,239 INFO L87 Difference]: Start difference. First operand 885 states and 1627 transitions. Second operand 13 states. [2020-09-11 12:02:37,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 12:02:37,336 INFO L93 Difference]: Finished difference Result 1057 states and 1936 transitions. [2020-09-11 12:02:37,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-11 12:02:37,337 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 89 [2020-09-11 12:02:37,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 12:02:37,342 INFO L225 Difference]: With dead ends: 1057 [2020-09-11 12:02:37,342 INFO L226 Difference]: Without dead ends: 1057 [2020-09-11 12:02:37,342 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2020-09-11 12:02:37,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1057 states. [2020-09-11 12:02:37,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1057 to 977. [2020-09-11 12:02:37,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2020-09-11 12:02:37,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1792 transitions. [2020-09-11 12:02:37,364 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1792 transitions. Word has length 89 [2020-09-11 12:02:37,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 12:02:37,364 INFO L479 AbstractCegarLoop]: Abstraction has 977 states and 1792 transitions. [2020-09-11 12:02:37,364 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-11 12:02:37,364 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1792 transitions. [2020-09-11 12:02:37,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-09-11 12:02:37,367 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 12:02:37,367 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] [2020-09-11 12:02:37,582 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-11 12:02:37,582 INFO L427 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 12:02:37,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 12:02:37,583 INFO L82 PathProgramCache]: Analyzing trace with hash 792310527, now seen corresponding path program 5 times [2020-09-11 12:02:37,583 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 12:02:37,583 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729842650] [2020-09-11 12:02:37,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 12:02:37,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 12:02:37,872 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 0 proven. 292 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 12:02:37,873 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729842650] [2020-09-11 12:02:37,873 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [9881599] [2020-09-11 12:02:37,873 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 [2020-09-11 12:02:40,120 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2020-09-11 12:02:40,121 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-11 12:02:40,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 122 conjunts are in the unsatisfiable core [2020-09-11 12:02:40,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-11 12:02:40,162 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 [2020-09-11 12:02:40,162 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:02:40,165 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:02:40,165 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:02:40,166 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:9 [2020-09-11 12:02:40,213 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:02:40,213 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 [2020-09-11 12:02:40,214 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:02:40,251 INFO L625 ElimStorePlain]: treesize reduction 25, result has 59.7 percent of original size [2020-09-11 12:02:40,252 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-11 12:02:40,252 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:26, output treesize:24 [2020-09-11 12:02:40,326 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-11 12:02:40,337 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-11 12:02:40,340 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-11 12:02:40,360 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:02:40,361 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 [2020-09-11 12:02:40,362 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:02:40,392 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:02:40,392 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 [2020-09-11 12:02:40,394 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-09-11 12:02:40,394 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-11 12:02:40,394 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2020-09-11 12:02:40,491 INFO L625 ElimStorePlain]: treesize reduction 53, result has 57.6 percent of original size [2020-09-11 12:02:40,495 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-11 12:02:40,496 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:36 [2020-09-11 12:02:40,577 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-11 12:02:40,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-11 12:02:40,597 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 [2020-09-11 12:02:40,598 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:02:40,604 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 [2020-09-11 12:02:40,605 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-11 12:02:40,639 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:02:40,641 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-11 12:02:40,641 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:66, output treesize:36 [2020-09-11 12:02:40,701 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 1] term [2020-09-11 12:02:40,701 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-11 12:02:40,710 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 [2020-09-11 12:02:40,710 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:02:40,726 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:02:40,732 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 [2020-09-11 12:02:40,733 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-11 12:02:40,744 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:02:40,745 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-11 12:02:40,745 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:66, output treesize:25 [2020-09-11 12:02:40,779 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-11 12:02:40,823 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:02:40,824 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 65 [2020-09-11 12:02:40,824 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:02:40,832 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 [2020-09-11 12:02:40,832 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-11 12:02:40,903 INFO L625 ElimStorePlain]: treesize reduction 25, result has 71.9 percent of original size [2020-09-11 12:02:40,905 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-09-11 12:02:40,905 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:57, output treesize:38 [2020-09-11 12:02:41,011 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-09-11 12:02:41,028 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-11 12:02:41,031 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-11 12:02:41,050 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:02:41,051 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 [2020-09-11 12:02:41,052 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:02:41,081 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:02:41,081 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 46 [2020-09-11 12:02:41,082 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-09-11 12:02:41,083 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-11 12:02:41,083 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2020-09-11 12:02:41,108 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:02:41,109 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2020-09-11 12:02:41,111 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-09-11 12:02:41,111 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-11 12:02:41,112 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2020-09-11 12:02:41,247 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 44 [2020-09-11 12:02:41,247 INFO L625 ElimStorePlain]: treesize reduction 80, result has 59.6 percent of original size [2020-09-11 12:02:41,250 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-09-11 12:02:41,250 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:118, output treesize:55 [2020-09-11 12:02:41,326 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-09-11 12:02:41,341 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 [2020-09-11 12:02:41,341 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:02:41,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-11 12:02:41,355 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 [2020-09-11 12:02:41,356 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-11 12:02:41,366 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 [2020-09-11 12:02:41,366 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-09-11 12:02:41,418 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:02:41,423 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-09-11 12:02:41,424 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:100, output treesize:55 [2020-09-11 12:02:41,605 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 3, 4, 1] term [2020-09-11 12:02:41,605 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-09-11 12:02:41,614 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2020-09-11 12:02:41,615 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:02:41,695 INFO L625 ElimStorePlain]: treesize reduction 10, result has 91.0 percent of original size [2020-09-11 12:02:41,702 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 [2020-09-11 12:02:41,703 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-11 12:02:41,733 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:02:41,738 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 [2020-09-11 12:02:41,738 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-09-11 12:02:41,766 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:02:41,766 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-09-11 12:02:41,766 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:130, output treesize:62 [2020-09-11 12:02:41,825 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-09-11 12:02:41,870 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:02:41,870 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 [2020-09-11 12:02:41,871 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:02:41,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-11 12:02:41,883 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 [2020-09-11 12:02:41,883 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-11 12:02:41,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-11 12:02:41,893 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 [2020-09-11 12:02:41,894 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-09-11 12:02:41,996 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2020-09-11 12:02:41,997 INFO L625 ElimStorePlain]: treesize reduction 25, result has 81.5 percent of original size [2020-09-11 12:02:42,001 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2020-09-11 12:02:42,001 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:107, output treesize:72 [2020-09-11 12:02:42,171 INFO L603 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-09-11 12:02:42,184 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-11 12:02:42,188 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-11 12:02:42,213 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:02:42,213 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 [2020-09-11 12:02:42,214 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:02:42,243 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:02:42,244 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 [2020-09-11 12:02:42,245 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-09-11 12:02:42,245 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-11 12:02:42,246 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2020-09-11 12:02:42,255 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-11 12:02:42,258 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-11 12:02:42,281 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:02:42,281 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 [2020-09-11 12:02:42,284 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2020-09-11 12:02:42,285 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-09-11 12:02:42,286 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2020-09-11 12:02:42,300 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-11 12:02:42,316 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:02:42,317 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 [2020-09-11 12:02:42,318 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2020-09-11 12:02:42,318 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-09-11 12:02:42,322 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 2 xjuncts. [2020-09-11 12:02:42,510 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 56 [2020-09-11 12:02:42,511 INFO L625 ElimStorePlain]: treesize reduction 235, result has 41.1 percent of original size [2020-09-11 12:02:42,516 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2020-09-11 12:02:42,516 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:178, output treesize:94 [2020-09-11 12:02:42,621 INFO L603 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-09-11 12:02:42,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-11 12:02:42,640 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 [2020-09-11 12:02:42,641 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:02:42,658 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 [2020-09-11 12:02:42,658 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-11 12:02:42,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-11 12:02:42,676 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 [2020-09-11 12:02:42,677 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-09-11 12:02:42,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-11 12:02:42,688 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 [2020-09-11 12:02:42,689 INFO L545 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-09-11 12:02:42,766 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:02:42,767 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2020-09-11 12:02:42,768 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:154, output treesize:94 [2020-09-11 12:02:42,928 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 34 [2020-09-11 12:02:42,931 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 4, 1] term [2020-09-11 12:02:42,932 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-09-11 12:02:42,949 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 [2020-09-11 12:02:42,951 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:02:42,992 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:02:42,999 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2020-09-11 12:02:43,001 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-11 12:02:43,040 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:02:43,046 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 [2020-09-11 12:02:43,047 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-09-11 12:02:43,080 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:02:43,081 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-09-11 12:02:43,081 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:106, output treesize:67 [2020-09-11 12:02:43,157 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-09-11 12:02:43,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-11 12:02:43,184 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 [2020-09-11 12:02:43,185 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:02:43,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-11 12:02:43,202 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 [2020-09-11 12:02:43,203 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-11 12:02:43,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-11 12:02:43,222 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 [2020-09-11 12:02:43,222 INFO L545 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-09-11 12:02:43,298 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:02:43,300 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-09-11 12:02:43,301 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:166, output treesize:103 [2020-09-11 12:02:43,497 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-11 12:02:43,550 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:02:43,551 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 [2020-09-11 12:02:43,552 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:02:43,601 INFO L625 ElimStorePlain]: treesize reduction 30, result has 64.3 percent of original size [2020-09-11 12:02:43,604 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:02:43,604 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:64, output treesize:40 [2020-09-11 12:02:43,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-11 12:02:43,704 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 [2020-09-11 12:02:43,705 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:02:43,730 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:02:43,731 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:02:43,732 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:40 [2020-09-11 12:02:43,851 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 [2020-09-11 12:02:43,851 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:02:43,873 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:02:43,874 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:02:43,874 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:34 [2020-09-11 12:02:43,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-11 12:02:43,971 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 [2020-09-11 12:02:43,972 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:02:43,988 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:02:43,990 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:02:43,990 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:54, output treesize:34 [2020-09-11 12:02:44,137 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-11 12:02:44,153 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:02:44,153 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 [2020-09-11 12:02:44,154 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-11 12:02:44,155 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:02:44,216 INFO L625 ElimStorePlain]: treesize reduction 35, result has 63.2 percent of original size [2020-09-11 12:02:44,218 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:02:44,218 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:64, output treesize:40 [2020-09-11 12:02:44,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-11 12:02:44,299 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2020-09-11 12:02:44,300 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:02:44,327 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:02:44,329 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:02:44,329 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:40 [2020-09-11 12:02:44,429 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2020-09-11 12:02:44,430 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:02:44,444 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:02:44,445 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:02:44,445 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:34 [2020-09-11 12:02:44,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-11 12:02:44,538 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 [2020-09-11 12:02:44,539 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:02:44,548 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:02:44,550 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:02:44,550 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:40, output treesize:9 [2020-09-11 12:02:44,675 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:02:44,675 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2020-09-11 12:02:44,677 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-11 12:02:44,678 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:02:44,709 INFO L625 ElimStorePlain]: treesize reduction 35, result has 46.2 percent of original size [2020-09-11 12:02:44,710 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:02:44,711 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:34, output treesize:9 [2020-09-11 12:02:44,777 INFO L350 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2020-09-11 12:02:44,777 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 [2020-09-11 12:02:44,778 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:02:44,786 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:02:44,787 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:02:44,787 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:9 [2020-09-11 12:02:44,833 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 190 proven. 92 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-09-11 12:02:44,833 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-11 12:02:44,833 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 33] total 44 [2020-09-11 12:02:44,834 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074567761] [2020-09-11 12:02:44,834 INFO L459 AbstractCegarLoop]: Interpolant automaton has 44 states [2020-09-11 12:02:44,835 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 12:02:44,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2020-09-11 12:02:44,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=234, Invalid=1658, Unknown=0, NotChecked=0, Total=1892 [2020-09-11 12:02:44,836 INFO L87 Difference]: Start difference. First operand 977 states and 1792 transitions. Second operand 44 states. [2020-09-11 12:02:47,358 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2020-09-11 12:02:48,513 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 35 [2020-09-11 12:02:48,900 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2020-09-11 12:02:50,387 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 36 [2020-09-11 12:02:53,344 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 37 [2020-09-11 12:02:54,066 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2020-09-11 12:02:56,832 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 37 [2020-09-11 12:02:56,993 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 36 [2020-09-11 12:03:00,081 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 37 [2020-09-11 12:03:00,470 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2020-09-11 12:03:00,637 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 36 [2020-09-11 12:03:01,469 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 35 [2020-09-11 12:03:03,544 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 37 [2020-09-11 12:03:04,215 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2020-09-11 12:03:07,437 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 37 [2020-09-11 12:03:08,011 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2020-09-11 12:03:08,601 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 35 [2020-09-11 12:03:10,985 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2020-09-11 12:03:11,470 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 37 [2020-09-11 12:03:13,533 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 35 [2020-09-11 12:03:14,297 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 34 [2020-09-11 12:03:15,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 12:03:15,898 INFO L93 Difference]: Finished difference Result 3504 states and 6370 transitions. [2020-09-11 12:03:15,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 262 states. [2020-09-11 12:03:15,899 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 96 [2020-09-11 12:03:15,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 12:03:15,910 INFO L225 Difference]: With dead ends: 3504 [2020-09-11 12:03:15,911 INFO L226 Difference]: Without dead ends: 3504 [2020-09-11 12:03:15,925 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 560 GetRequests, 273 SyntacticMatches, 1 SemanticMatches, 286 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35937 ImplicationChecksByTransitivity, 25.7s TimeCoverageRelationStatistics Valid=7381, Invalid=75275, Unknown=0, NotChecked=0, Total=82656 [2020-09-11 12:03:15,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3504 states. [2020-09-11 12:03:15,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3504 to 2010. [2020-09-11 12:03:15,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2010 states. [2020-09-11 12:03:15,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2010 states to 2010 states and 3634 transitions. [2020-09-11 12:03:15,985 INFO L78 Accepts]: Start accepts. Automaton has 2010 states and 3634 transitions. Word has length 96 [2020-09-11 12:03:15,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 12:03:15,986 INFO L479 AbstractCegarLoop]: Abstraction has 2010 states and 3634 transitions. [2020-09-11 12:03:15,986 INFO L480 AbstractCegarLoop]: Interpolant automaton has 44 states. [2020-09-11 12:03:15,986 INFO L276 IsEmpty]: Start isEmpty. Operand 2010 states and 3634 transitions. [2020-09-11 12:03:15,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-09-11 12:03:15,991 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 12:03:15,991 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] [2020-09-11 12:03:16,206 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-11 12:03:16,206 INFO L427 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 12:03:16,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 12:03:16,207 INFO L82 PathProgramCache]: Analyzing trace with hash 1634230719, now seen corresponding path program 6 times [2020-09-11 12:03:16,208 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 12:03:16,208 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644729113] [2020-09-11 12:03:16,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 12:03:16,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 12:03:16,577 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 0 proven. 361 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 12:03:16,577 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644729113] [2020-09-11 12:03:16,578 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1903303285] [2020-09-11 12:03:16,578 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 [2020-09-11 12:03:32,736 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2020-09-11 12:03:32,736 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-11 12:03:32,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 74 conjunts are in the unsatisfiable core [2020-09-11 12:03:32,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-11 12:03:32,866 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 [2020-09-11 12:03:32,868 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-09-11 12:03:32,910 INFO L625 ElimStorePlain]: treesize reduction 26, result has 46.9 percent of original size [2020-09-11 12:03:32,913 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:03:32,913 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:27, output treesize:11 [2020-09-11 12:03:33,017 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 [2020-09-11 12:03:33,017 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:03:33,028 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:03:33,028 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:03:33,029 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:20 [2020-09-11 12:03:33,068 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2020-09-11 12:03:33,068 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:03:33,083 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:03:33,085 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:03:33,085 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:35, output treesize:20 [2020-09-11 12:03:33,146 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-11 12:03:33,167 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:03:33,167 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 [2020-09-11 12:03:33,168 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:03:33,230 INFO L625 ElimStorePlain]: treesize reduction 30, result has 57.1 percent of original size [2020-09-11 12:03:33,232 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:03:33,233 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:50, output treesize:26 [2020-09-11 12:03:33,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-11 12:03:33,286 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 [2020-09-11 12:03:33,287 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:03:33,310 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:03:33,311 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:03:33,311 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:41, output treesize:26 [2020-09-11 12:03:33,380 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 [2020-09-11 12:03:33,381 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:03:33,400 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:03:33,401 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:03:33,401 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:44, output treesize:20 [2020-09-11 12:03:33,441 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-11 12:03:33,441 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:03:33,455 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:03:33,456 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:03:33,457 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:35, output treesize:20 [2020-09-11 12:03:33,511 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-11 12:03:33,534 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:03:33,535 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 [2020-09-11 12:03:33,535 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-11 12:03:33,536 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:03:33,598 INFO L625 ElimStorePlain]: treesize reduction 35, result has 56.8 percent of original size [2020-09-11 12:03:33,600 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:03:33,600 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:50, output treesize:26 [2020-09-11 12:03:33,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-11 12:03:33,648 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 [2020-09-11 12:03:33,649 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:03:33,669 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:03:33,670 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:03:33,670 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:41, output treesize:26 [2020-09-11 12:03:33,732 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 [2020-09-11 12:03:33,733 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:03:33,748 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:03:33,749 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:03:33,750 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:44, output treesize:20 [2020-09-11 12:03:33,793 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 [2020-09-11 12:03:33,794 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:03:33,806 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:03:33,808 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:03:33,808 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:30, output treesize:13 [2020-09-11 12:03:33,883 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-11 12:03:33,925 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:03:33,926 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 31 treesize of output 83 [2020-09-11 12:03:33,928 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 2, 1] term [2020-09-11 12:03:33,928 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-09-11 12:03:33,929 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:03:33,965 INFO L625 ElimStorePlain]: treesize reduction 83, result has 28.4 percent of original size [2020-09-11 12:03:33,966 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:03:33,966 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:37, output treesize:16 [2020-09-11 12:03:34,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-11 12:03:34,009 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 [2020-09-11 12:03:34,010 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:03:34,023 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:03:34,024 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:03:34,024 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:31, output treesize:16 [2020-09-11 12:03:34,030 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 [2020-09-11 12:03:34,031 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:03:34,033 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:03:34,034 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:03:34,034 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:1 [2020-09-11 12:03:34,057 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 227 proven. 28 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2020-09-11 12:03:34,058 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-11 12:03:34,058 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 28 [2020-09-11 12:03:34,058 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659487580] [2020-09-11 12:03:34,059 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-09-11 12:03:34,059 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 12:03:34,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-09-11 12:03:34,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=578, Unknown=0, NotChecked=0, Total=756 [2020-09-11 12:03:34,060 INFO L87 Difference]: Start difference. First operand 2010 states and 3634 transitions. Second operand 28 states. [2020-09-11 12:03:43,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 12:03:43,930 INFO L93 Difference]: Finished difference Result 2569 states and 4588 transitions. [2020-09-11 12:03:43,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2020-09-11 12:03:43,931 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 104 [2020-09-11 12:03:43,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 12:03:43,941 INFO L225 Difference]: With dead ends: 2569 [2020-09-11 12:03:43,941 INFO L226 Difference]: Without dead ends: 2569 [2020-09-11 12:03:43,943 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 133 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7342 ImplicationChecksByTransitivity, 7.7s TimeCoverageRelationStatistics Valid=4324, Invalid=13766, Unknown=0, NotChecked=0, Total=18090 [2020-09-11 12:03:43,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2569 states. [2020-09-11 12:03:43,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 1458. [2020-09-11 12:03:43,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1458 states. [2020-09-11 12:03:43,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1458 states to 1458 states and 2635 transitions. [2020-09-11 12:03:43,979 INFO L78 Accepts]: Start accepts. Automaton has 1458 states and 2635 transitions. Word has length 104 [2020-09-11 12:03:43,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 12:03:43,980 INFO L479 AbstractCegarLoop]: Abstraction has 1458 states and 2635 transitions. [2020-09-11 12:03:43,980 INFO L480 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-09-11 12:03:43,980 INFO L276 IsEmpty]: Start isEmpty. Operand 1458 states and 2635 transitions. [2020-09-11 12:03:43,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-09-11 12:03:43,984 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 12:03:43,984 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] [2020-09-11 12:03:44,198 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-09-11 12:03:44,199 INFO L427 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 12:03:44,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 12:03:44,199 INFO L82 PathProgramCache]: Analyzing trace with hash -1180971947, now seen corresponding path program 7 times [2020-09-11 12:03:44,200 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 12:03:44,200 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887527708] [2020-09-11 12:03:44,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 12:03:44,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 12:03:44,689 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 0 proven. 456 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 12:03:44,690 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887527708] [2020-09-11 12:03:44,690 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1822010508] [2020-09-11 12:03:44,690 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 [2020-09-11 12:03:44,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 12:03:44,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 14 conjunts are in the unsatisfiable core [2020-09-11 12:03:44,985 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-11 12:03:45,034 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 0 proven. 456 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 12:03:45,034 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-11 12:03:45,034 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 16 [2020-09-11 12:03:45,035 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747866349] [2020-09-11 12:03:45,036 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-11 12:03:45,036 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 12:03:45,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-11 12:03:45,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2020-09-11 12:03:45,037 INFO L87 Difference]: Start difference. First operand 1458 states and 2635 transitions. Second operand 16 states. [2020-09-11 12:03:45,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 12:03:45,245 INFO L93 Difference]: Finished difference Result 1690 states and 3049 transitions. [2020-09-11 12:03:45,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-11 12:03:45,246 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 113 [2020-09-11 12:03:45,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 12:03:45,255 INFO L225 Difference]: With dead ends: 1690 [2020-09-11 12:03:45,255 INFO L226 Difference]: Without dead ends: 1690 [2020-09-11 12:03:45,256 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2020-09-11 12:03:45,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1690 states. [2020-09-11 12:03:45,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1690 to 1582. [2020-09-11 12:03:45,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1582 states. [2020-09-11 12:03:45,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1582 states to 1582 states and 2856 transitions. [2020-09-11 12:03:45,298 INFO L78 Accepts]: Start accepts. Automaton has 1582 states and 2856 transitions. Word has length 113 [2020-09-11 12:03:45,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 12:03:45,299 INFO L479 AbstractCegarLoop]: Abstraction has 1582 states and 2856 transitions. [2020-09-11 12:03:45,299 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-11 12:03:45,300 INFO L276 IsEmpty]: Start isEmpty. Operand 1582 states and 2856 transitions. [2020-09-11 12:03:45,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-09-11 12:03:45,306 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 12:03:45,307 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] [2020-09-11 12:03:45,520 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2020-09-11 12:03:45,520 INFO L427 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 12:03:45,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 12:03:45,521 INFO L82 PathProgramCache]: Analyzing trace with hash 2141456319, now seen corresponding path program 8 times [2020-09-11 12:03:45,521 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 12:03:45,521 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130861843] [2020-09-11 12:03:45,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 12:03:45,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 12:03:46,053 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 0 proven. 523 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 12:03:46,054 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130861843] [2020-09-11 12:03:46,054 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1049345686] [2020-09-11 12:03:46,054 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 [2020-09-11 12:03:46,336 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-09-11 12:03:46,337 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-11 12:03:46,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 15 conjunts are in the unsatisfiable core [2020-09-11 12:03:46,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-11 12:03:46,385 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 0 proven. 523 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 12:03:46,386 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-11 12:03:46,386 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 17 [2020-09-11 12:03:46,386 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244922683] [2020-09-11 12:03:46,387 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-11 12:03:46,387 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 12:03:46,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-11 12:03:46,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2020-09-11 12:03:46,387 INFO L87 Difference]: Start difference. First operand 1582 states and 2856 transitions. Second operand 17 states. [2020-09-11 12:03:46,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 12:03:46,561 INFO L93 Difference]: Finished difference Result 1814 states and 3270 transitions. [2020-09-11 12:03:46,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-11 12:03:46,562 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 120 [2020-09-11 12:03:46,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 12:03:46,570 INFO L225 Difference]: With dead ends: 1814 [2020-09-11 12:03:46,570 INFO L226 Difference]: Without dead ends: 1814 [2020-09-11 12:03:46,571 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 [2020-09-11 12:03:46,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1814 states. [2020-09-11 12:03:46,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1814 to 1706. [2020-09-11 12:03:46,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1706 states. [2020-09-11 12:03:46,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1706 states to 1706 states and 3077 transitions. [2020-09-11 12:03:46,604 INFO L78 Accepts]: Start accepts. Automaton has 1706 states and 3077 transitions. Word has length 120 [2020-09-11 12:03:46,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 12:03:46,604 INFO L479 AbstractCegarLoop]: Abstraction has 1706 states and 3077 transitions. [2020-09-11 12:03:46,604 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-11 12:03:46,605 INFO L276 IsEmpty]: Start isEmpty. Operand 1706 states and 3077 transitions. [2020-09-11 12:03:46,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-09-11 12:03:46,610 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 12:03:46,610 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] [2020-09-11 12:03:46,824 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2020-09-11 12:03:46,824 INFO L427 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 12:03:46,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 12:03:46,825 INFO L82 PathProgramCache]: Analyzing trace with hash 702742271, now seen corresponding path program 9 times [2020-09-11 12:03:46,825 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 12:03:46,825 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267916309] [2020-09-11 12:03:46,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 12:03:46,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 12:03:47,410 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 0 proven. 616 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 12:03:47,410 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267916309] [2020-09-11 12:03:47,410 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1501018696] [2020-09-11 12:03:47,411 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 [2020-09-11 12:03:49,979 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2020-09-11 12:03:49,979 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-11 12:03:49,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 72 conjunts are in the unsatisfiable core [2020-09-11 12:03:49,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-11 12:03:50,024 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:03:50,024 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 [2020-09-11 12:03:50,025 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-11 12:03:50,027 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-09-11 12:03:50,029 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-11 12:03:50,031 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2020-09-11 12:03:50,143 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 30 [2020-09-11 12:03:50,144 INFO L625 ElimStorePlain]: treesize reduction 222, result has 15.6 percent of original size [2020-09-11 12:03:50,154 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:03:50,154 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:47, output treesize:13 [2020-09-11 12:03:50,224 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 [2020-09-11 12:03:50,224 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:03:50,237 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:03:50,238 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:03:50,238 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:22 [2020-09-11 12:03:50,280 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 [2020-09-11 12:03:50,281 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:03:50,298 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:03:50,299 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:03:50,300 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:37, output treesize:22 [2020-09-11 12:03:50,364 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-11 12:03:50,384 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:03:50,385 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 [2020-09-11 12:03:50,385 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:03:50,438 INFO L625 ElimStorePlain]: treesize reduction 30, result has 58.3 percent of original size [2020-09-11 12:03:50,440 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:03:50,440 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:52, output treesize:28 [2020-09-11 12:03:50,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-11 12:03:50,507 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2020-09-11 12:03:50,508 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:03:50,530 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:03:50,536 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:03:50,537 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:43, output treesize:28 [2020-09-11 12:03:50,619 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 [2020-09-11 12:03:50,619 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:03:50,633 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:03:50,633 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:03:50,634 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:46, output treesize:22 [2020-09-11 12:03:50,676 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 [2020-09-11 12:03:50,676 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:03:50,693 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:03:50,695 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:03:50,695 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:37, output treesize:22 [2020-09-11 12:03:50,760 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-11 12:03:50,779 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:03:50,779 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 [2020-09-11 12:03:50,780 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-11 12:03:50,781 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:03:50,842 INFO L625 ElimStorePlain]: treesize reduction 35, result has 57.8 percent of original size [2020-09-11 12:03:50,844 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:03:50,844 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:52, output treesize:28 [2020-09-11 12:03:50,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-11 12:03:50,903 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 [2020-09-11 12:03:50,903 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:03:50,925 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:03:50,926 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:03:50,927 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:43, output treesize:28 [2020-09-11 12:03:51,027 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 [2020-09-11 12:03:51,028 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:03:51,042 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:03:51,042 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:03:51,042 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:22 [2020-09-11 12:03:51,099 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 [2020-09-11 12:03:51,100 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:03:51,115 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:03:51,117 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:03:51,117 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:37, output treesize:14 [2020-09-11 12:03:51,202 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-11 12:03:51,203 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 [2020-09-11 12:03:51,204 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:03:51,222 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:03:51,223 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. [2020-09-11 12:03:51,223 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:40, output treesize:30 [2020-09-11 12:03:51,342 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:03:51,343 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 [2020-09-11 12:03:51,345 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2020-09-11 12:03:51,345 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-09-11 12:03:51,347 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:03:51,410 INFO L625 ElimStorePlain]: treesize reduction 91, result has 32.6 percent of original size [2020-09-11 12:03:51,412 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. [2020-09-11 12:03:51,412 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:48, output treesize:27 [2020-09-11 12:03:51,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-11 12:03:51,491 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 [2020-09-11 12:03:51,492 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:03:51,514 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:03:51,518 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. [2020-09-11 12:03:51,518 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:42, output treesize:27 [2020-09-11 12:03:51,532 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 [2020-09-11 12:03:51,534 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:03:51,536 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:03:51,536 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:03:51,536 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:1 [2020-09-11 12:03:51,603 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 222 proven. 73 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2020-09-11 12:03:51,603 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-11 12:03:51,604 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 32 [2020-09-11 12:03:51,604 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210003812] [2020-09-11 12:03:51,605 INFO L459 AbstractCegarLoop]: Interpolant automaton has 32 states [2020-09-11 12:03:51,605 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 12:03:51,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2020-09-11 12:03:51,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=219, Invalid=773, Unknown=0, NotChecked=0, Total=992 [2020-09-11 12:03:51,606 INFO L87 Difference]: Start difference. First operand 1706 states and 3077 transitions. Second operand 32 states. [2020-09-11 12:04:15,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 12:04:15,755 INFO L93 Difference]: Finished difference Result 3757 states and 6689 transitions. [2020-09-11 12:04:15,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 231 states. [2020-09-11 12:04:15,756 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 128 [2020-09-11 12:04:15,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 12:04:15,770 INFO L225 Difference]: With dead ends: 3757 [2020-09-11 12:04:15,770 INFO L226 Difference]: Without dead ends: 3757 [2020-09-11 12:04:15,773 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 368 GetRequests, 113 SyntacticMatches, 1 SemanticMatches, 254 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30657 ImplicationChecksByTransitivity, 19.9s TimeCoverageRelationStatistics Valid=12002, Invalid=53278, Unknown=0, NotChecked=0, Total=65280 [2020-09-11 12:04:15,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3757 states. [2020-09-11 12:04:15,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3757 to 1656. [2020-09-11 12:04:15,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1656 states. [2020-09-11 12:04:15,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1656 states to 1656 states and 3002 transitions. [2020-09-11 12:04:15,817 INFO L78 Accepts]: Start accepts. Automaton has 1656 states and 3002 transitions. Word has length 128 [2020-09-11 12:04:15,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 12:04:15,817 INFO L479 AbstractCegarLoop]: Abstraction has 1656 states and 3002 transitions. [2020-09-11 12:04:15,817 INFO L480 AbstractCegarLoop]: Interpolant automaton has 32 states. [2020-09-11 12:04:15,817 INFO L276 IsEmpty]: Start isEmpty. Operand 1656 states and 3002 transitions. [2020-09-11 12:04:15,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-09-11 12:04:15,822 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 12:04:15,822 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] [2020-09-11 12:04:16,037 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-11 12:04:16,037 INFO L427 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 12:04:16,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 12:04:16,038 INFO L82 PathProgramCache]: Analyzing trace with hash 883192735, now seen corresponding path program 10 times [2020-09-11 12:04:16,038 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 12:04:16,038 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183186399] [2020-09-11 12:04:16,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 12:04:16,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 12:04:16,628 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 0 proven. 717 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 12:04:16,629 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183186399] [2020-09-11 12:04:16,629 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2014756946] [2020-09-11 12:04:16,629 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 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 [2020-09-11 12:05:43,567 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-09-11 12:05:43,568 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-11 12:05:45,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 17 conjunts are in the unsatisfiable core [2020-09-11 12:05:45,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-11 12:05:45,934 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 0 proven. 717 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 12:05:45,934 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-11 12:05:45,935 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 19 [2020-09-11 12:05:45,935 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311132666] [2020-09-11 12:05:45,937 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-11 12:05:45,937 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 12:05:45,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-11 12:05:45,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=171, Unknown=0, NotChecked=0, Total=342 [2020-09-11 12:05:45,938 INFO L87 Difference]: Start difference. First operand 1656 states and 3002 transitions. Second operand 19 states. [2020-09-11 12:05:46,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-11 12:05:46,191 INFO L93 Difference]: Finished difference Result 1888 states and 3416 transitions. [2020-09-11 12:05:46,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-11 12:05:46,193 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 136 [2020-09-11 12:05:46,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-11 12:05:46,202 INFO L225 Difference]: With dead ends: 1888 [2020-09-11 12:05:46,203 INFO L226 Difference]: Without dead ends: 1888 [2020-09-11 12:05:46,203 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=171, Invalid=171, Unknown=0, NotChecked=0, Total=342 [2020-09-11 12:05:46,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1888 states. [2020-09-11 12:05:46,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1888 to 1780. [2020-09-11 12:05:46,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1780 states. [2020-09-11 12:05:46,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1780 states to 1780 states and 3223 transitions. [2020-09-11 12:05:46,242 INFO L78 Accepts]: Start accepts. Automaton has 1780 states and 3223 transitions. Word has length 136 [2020-09-11 12:05:46,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-11 12:05:46,243 INFO L479 AbstractCegarLoop]: Abstraction has 1780 states and 3223 transitions. [2020-09-11 12:05:46,243 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-09-11 12:05:46,243 INFO L276 IsEmpty]: Start isEmpty. Operand 1780 states and 3223 transitions. [2020-09-11 12:05:46,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-09-11 12:05:46,251 INFO L414 BasicCegarLoop]: Found error trace [2020-09-11 12:05:46,251 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] [2020-09-11 12:05:46,465 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-11 12:05:46,465 INFO L427 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-11 12:05:46,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-11 12:05:46,466 INFO L82 PathProgramCache]: Analyzing trace with hash 851330655, now seen corresponding path program 11 times [2020-09-11 12:05:46,466 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-11 12:05:46,467 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593820513] [2020-09-11 12:05:46,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-11 12:05:46,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-11 12:05:47,173 INFO L134 CoverageAnalysis]: Checked inductivity of 826 backedges. 0 proven. 826 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-11 12:05:47,174 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593820513] [2020-09-11 12:05:47,174 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [591765414] [2020-09-11 12:05:47,174 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 [2020-09-11 12:05:50,744 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2020-09-11 12:05:50,744 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-11 12:05:50,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 183 conjunts are in the unsatisfiable core [2020-09-11 12:05:50,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-11 12:05:50,888 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2020-09-11 12:05:50,889 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:05:50,892 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:05:50,892 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:05:50,892 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:12 [2020-09-11 12:05:50,957 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:05:50,958 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2020-09-11 12:05:50,959 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-11 12:05:50,960 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:05:51,008 INFO L625 ElimStorePlain]: treesize reduction 24, result has 63.1 percent of original size [2020-09-11 12:05:51,009 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-11 12:05:51,011 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-11 12:05:51,011 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:31, output treesize:36 [2020-09-11 12:05:51,150 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-11 12:05:51,186 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:05:51,186 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 [2020-09-11 12:05:51,187 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-09-11 12:05:51,187 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-11 12:05:51,188 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-09-11 12:05:51,194 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-11 12:05:51,219 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:05:51,220 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 [2020-09-11 12:05:51,221 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2020-09-11 12:05:51,222 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-09-11 12:05:51,224 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2020-09-11 12:05:51,351 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 45 [2020-09-11 12:05:51,352 INFO L625 ElimStorePlain]: treesize reduction 136, result has 35.5 percent of original size [2020-09-11 12:05:51,354 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-11 12:05:51,355 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:91, output treesize:49 [2020-09-11 12:05:51,439 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-11 12:05:51,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-11 12:05:51,458 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 [2020-09-11 12:05:51,459 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:05:51,468 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 [2020-09-11 12:05:51,468 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-11 12:05:51,519 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:05:51,520 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-11 12:05:51,521 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:79, output treesize:49 [2020-09-11 12:05:51,612 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 [2020-09-11 12:05:51,615 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:05:51,618 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:05:51,618 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:05:51,618 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:9 [2020-09-11 12:05:51,686 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:05:51,686 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 [2020-09-11 12:05:51,687 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:05:51,741 INFO L625 ElimStorePlain]: treesize reduction 24, result has 62.5 percent of original size [2020-09-11 12:05:51,743 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-11 12:05:51,745 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-11 12:05:51,745 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:35 [2020-09-11 12:05:51,884 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-11 12:05:51,895 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-11 12:05:51,898 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-11 12:05:51,927 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:05:51,928 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 [2020-09-11 12:05:51,928 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:05:51,965 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:05:51,966 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 [2020-09-11 12:05:51,967 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-11 12:05:51,968 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-11 12:05:52,109 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2020-09-11 12:05:52,110 INFO L625 ElimStorePlain]: treesize reduction 50, result has 64.8 percent of original size [2020-09-11 12:05:52,113 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-11 12:05:52,113 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:96, output treesize:48 [2020-09-11 12:05:52,207 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-11 12:05:52,224 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 [2020-09-11 12:05:52,225 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:05:52,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-11 12:05:52,244 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 [2020-09-11 12:05:52,245 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-11 12:05:52,294 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:05:52,296 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-11 12:05:52,296 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-09-11 12:05:52,520 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 1] term [2020-09-11 12:05:52,520 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-11 12:05:52,534 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 [2020-09-11 12:05:52,535 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:05:52,567 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:05:52,573 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 [2020-09-11 12:05:52,574 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-11 12:05:52,600 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:05:52,601 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-11 12:05:52,601 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:98, output treesize:47 [2020-09-11 12:05:52,676 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-11 12:05:52,737 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:05:52,737 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 [2020-09-11 12:05:52,738 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:05:52,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-11 12:05:52,752 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2020-09-11 12:05:52,753 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-11 12:05:52,877 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-09-11 12:05:52,878 INFO L625 ElimStorePlain]: treesize reduction 24, result has 79.3 percent of original size [2020-09-11 12:05:52,879 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-11 12:05:52,882 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-09-11 12:05:52,882 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:86, output treesize:70 [2020-09-11 12:05:53,064 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-11 12:05:53,076 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-11 12:05:53,081 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-11 12:05:53,110 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:05:53,111 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 [2020-09-11 12:05:53,112 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:05:53,142 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:05:53,143 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 [2020-09-11 12:05:53,144 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-09-11 12:05:53,144 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-11 12:05:53,145 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2020-09-11 12:05:53,264 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 48 [2020-09-11 12:05:53,265 INFO L625 ElimStorePlain]: treesize reduction 53, result has 61.3 percent of original size [2020-09-11 12:05:53,268 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-11 12:05:53,268 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:90, output treesize:48 [2020-09-11 12:05:53,365 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-11 12:05:53,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-11 12:05:53,385 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2020-09-11 12:05:53,386 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:05:53,396 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 [2020-09-11 12:05:53,396 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-11 12:05:53,446 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:05:53,452 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-11 12:05:53,453 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-09-11 12:05:53,694 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 1] term [2020-09-11 12:05:53,695 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-11 12:05:53,705 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 [2020-09-11 12:05:53,706 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:05:53,768 INFO L625 ElimStorePlain]: treesize reduction 10, result has 87.3 percent of original size [2020-09-11 12:05:53,775 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 [2020-09-11 12:05:53,775 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-11 12:05:53,803 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:05:53,804 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-11 12:05:53,804 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:98, output treesize:49 [2020-09-11 12:05:53,892 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-11 12:05:53,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-11 12:05:53,914 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 [2020-09-11 12:05:53,915 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:05:53,967 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:05:53,968 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 [2020-09-11 12:05:53,969 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-11 12:05:54,083 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-09-11 12:05:54,084 INFO L625 ElimStorePlain]: treesize reduction 24, result has 79.3 percent of original size [2020-09-11 12:05:54,086 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-11 12:05:54,088 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-09-11 12:05:54,088 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:86, output treesize:70 [2020-09-11 12:05:54,314 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-11 12:05:54,355 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:05:54,355 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 [2020-09-11 12:05:54,356 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-09-11 12:05:54,357 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-11 12:05:54,357 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-09-11 12:05:54,365 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-11 12:05:54,391 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:05:54,392 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 [2020-09-11 12:05:54,392 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-11 12:05:54,508 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 47 [2020-09-11 12:05:54,509 INFO L625 ElimStorePlain]: treesize reduction 53, result has 61.3 percent of original size [2020-09-11 12:05:54,512 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-11 12:05:54,512 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:90, output treesize:48 [2020-09-11 12:05:54,631 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-11 12:05:54,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-11 12:05:54,650 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 [2020-09-11 12:05:54,651 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:05:54,660 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 [2020-09-11 12:05:54,660 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-11 12:05:54,725 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:05:54,727 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-11 12:05:54,728 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-09-11 12:05:55,120 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 1] term [2020-09-11 12:05:55,121 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-11 12:05:55,144 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2020-09-11 12:05:55,145 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:05:55,222 INFO L625 ElimStorePlain]: treesize reduction 10, result has 87.3 percent of original size [2020-09-11 12:05:55,229 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 [2020-09-11 12:05:55,233 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-11 12:05:55,262 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:05:55,262 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-11 12:05:55,263 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:98, output treesize:49 [2020-09-11 12:05:55,365 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-11 12:05:55,415 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:05:55,415 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2020-09-11 12:05:55,416 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:05:55,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-11 12:05:55,433 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 [2020-09-11 12:05:55,433 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-11 12:05:55,550 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-09-11 12:05:55,551 INFO L625 ElimStorePlain]: treesize reduction 24, result has 79.3 percent of original size [2020-09-11 12:05:55,553 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-11 12:05:55,555 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-09-11 12:05:55,556 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:86, output treesize:70 [2020-09-11 12:05:55,782 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-11 12:05:55,827 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:05:55,827 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 [2020-09-11 12:05:55,829 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-09-11 12:05:55,829 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-11 12:05:55,830 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-09-11 12:05:55,839 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-11 12:05:55,867 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:05:55,867 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 [2020-09-11 12:05:55,868 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-11 12:05:55,999 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 47 [2020-09-11 12:05:56,001 INFO L625 ElimStorePlain]: treesize reduction 53, result has 61.3 percent of original size [2020-09-11 12:05:56,011 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-11 12:05:56,011 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:90, output treesize:48 [2020-09-11 12:05:56,145 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-11 12:05:56,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-11 12:05:56,168 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 [2020-09-11 12:05:56,168 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:05:56,178 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 [2020-09-11 12:05:56,179 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-11 12:05:56,232 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:05:56,233 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-11 12:05:56,234 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-09-11 12:05:56,403 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 [2020-09-11 12:05:56,405 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:05:56,423 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:05:56,423 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:05:56,424 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:34 [2020-09-11 12:05:56,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-11 12:05:56,530 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 [2020-09-11 12:05:56,531 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:05:56,579 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:05:56,580 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:05:56,580 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:54, output treesize:34 [2020-09-11 12:05:56,829 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-11 12:05:56,853 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:05:56,853 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 [2020-09-11 12:05:56,854 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:05:56,927 INFO L625 ElimStorePlain]: treesize reduction 30, result has 64.3 percent of original size [2020-09-11 12:05:56,929 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:05:56,929 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:64, output treesize:40 [2020-09-11 12:05:57,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-11 12:05:57,066 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 [2020-09-11 12:05:57,067 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:05:57,096 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:05:57,098 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:05:57,098 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:40 [2020-09-11 12:05:57,244 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 [2020-09-11 12:05:57,244 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:05:57,265 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:05:57,266 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:05:57,266 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:34 [2020-09-11 12:05:57,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-11 12:05:57,386 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 [2020-09-11 12:05:57,387 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:05:57,409 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:05:57,411 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:05:57,411 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:54, output treesize:34 [2020-09-11 12:05:57,679 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-11 12:05:57,703 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:05:57,703 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 [2020-09-11 12:05:57,704 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-11 12:05:57,705 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:05:57,783 INFO L625 ElimStorePlain]: treesize reduction 35, result has 63.2 percent of original size [2020-09-11 12:05:57,785 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:05:57,785 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:64, output treesize:40 [2020-09-11 12:05:57,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-11 12:05:57,940 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 [2020-09-11 12:05:57,940 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:05:57,970 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:05:57,972 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:05:57,972 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:40 [2020-09-11 12:05:58,137 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 [2020-09-11 12:05:58,138 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:05:58,162 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:05:58,163 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:05:58,163 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:34 [2020-09-11 12:05:58,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-11 12:05:58,296 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 [2020-09-11 12:05:58,296 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:05:58,322 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:05:58,323 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:05:58,323 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:54, output treesize:34 [2020-09-11 12:05:58,611 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-11 12:05:58,638 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:05:58,639 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 [2020-09-11 12:05:58,639 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-11 12:05:58,640 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:05:58,724 INFO L625 ElimStorePlain]: treesize reduction 35, result has 63.2 percent of original size [2020-09-11 12:05:58,728 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:05:58,729 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:64, output treesize:40 [2020-09-11 12:05:58,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-11 12:05:58,885 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2020-09-11 12:05:58,886 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:05:58,915 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:05:58,917 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:05:58,917 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:40 [2020-09-11 12:05:59,090 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2020-09-11 12:05:59,091 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:05:59,114 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:05:59,115 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:05:59,115 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:34 [2020-09-11 12:05:59,291 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:05:59,292 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 [2020-09-11 12:05:59,293 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-11 12:05:59,295 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:05:59,351 INFO L625 ElimStorePlain]: treesize reduction 44, result has 49.4 percent of original size [2020-09-11 12:05:59,353 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:05:59,354 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:47, output treesize:9 [2020-09-11 12:05:59,563 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:05:59,563 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 [2020-09-11 12:05:59,564 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-11 12:05:59,565 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:05:59,604 INFO L625 ElimStorePlain]: treesize reduction 35, result has 46.2 percent of original size [2020-09-11 12:05:59,606 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:05:59,606 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:34, output treesize:9 [2020-09-11 12:05:59,706 INFO L350 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2020-09-11 12:05:59,707 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 [2020-09-11 12:05:59,707 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-11 12:05:59,717 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-11 12:05:59,718 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-11 12:05:59,719 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:9 [2020-09-11 12:05:59,808 INFO L134 CoverageAnalysis]: Checked inductivity of 826 backedges. 619 proven. 131 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-09-11 12:05:59,808 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-11 12:05:59,809 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 52] total 69 [2020-09-11 12:05:59,809 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485760921] [2020-09-11 12:05:59,809 INFO L459 AbstractCegarLoop]: Interpolant automaton has 69 states [2020-09-11 12:05:59,809 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-11 12:05:59,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2020-09-11 12:05:59,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=710, Invalid=3982, Unknown=0, NotChecked=0, Total=4692 [2020-09-11 12:05:59,810 INFO L87 Difference]: Start difference. First operand 1780 states and 3223 transitions. Second operand 69 states. [2020-09-11 12:06:01,681 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2020-09-11 12:06:01,830 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2020-09-11 12:06:02,508 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-09-11 12:06:02,904 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-09-11 12:06:04,399 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2020-09-11 12:06:05,031 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2020-09-11 12:06:06,545 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2020-09-11 12:06:07,095 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2020-09-11 12:06:07,274 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 38 [2020-09-11 12:06:07,517 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2020-09-11 12:06:09,663 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-09-11 12:06:10,322 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-09-11 12:06:10,770 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-09-11 12:06:13,181 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2020-09-11 12:06:13,695 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-09-11 12:06:13,954 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 36 [2020-09-11 12:06:14,325 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-09-11 12:06:15,123 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-09-11 12:06:15,900 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-09-11 12:06:16,076 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2020-09-11 12:06:16,547 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 Received shutdown request... [2020-09-11 12:06:17,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2020-09-11 12:06:17,393 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-11 12:06:17,394 WARN L544 AbstractCegarLoop]: Verification canceled [2020-09-11 12:06:17,400 WARN L228 ceAbstractionStarter]: Timeout [2020-09-11 12:06:17,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.09 12:06:17 BasicIcfg [2020-09-11 12:06:17,400 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-11 12:06:17,402 INFO L168 Benchmark]: Toolchain (without parser) took 250615.84 ms. Allocated memory was 140.0 MB in the beginning and 503.3 MB in the end (delta: 363.3 MB). Free memory was 101.0 MB in the beginning and 431.6 MB in the end (delta: -330.6 MB). Peak memory consumption was 32.8 MB. Max. memory is 7.1 GB. [2020-09-11 12:06:17,403 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-11 12:06:17,403 INFO L168 Benchmark]: CACSL2BoogieTranslator took 984.62 ms. Allocated memory was 140.0 MB in the beginning and 205.0 MB in the end (delta: 65.0 MB). Free memory was 100.4 MB in the beginning and 135.4 MB in the end (delta: -35.0 MB). Peak memory consumption was 35.2 MB. Max. memory is 7.1 GB. [2020-09-11 12:06:17,403 INFO L168 Benchmark]: Boogie Procedure Inliner took 119.68 ms. Allocated memory is still 205.0 MB. Free memory was 135.4 MB in the beginning and 132.1 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2020-09-11 12:06:17,404 INFO L168 Benchmark]: Boogie Preprocessor took 55.55 ms. Allocated memory is still 205.0 MB. Free memory was 132.1 MB in the beginning and 130.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-09-11 12:06:17,404 INFO L168 Benchmark]: RCFGBuilder took 1063.47 ms. Allocated memory was 205.0 MB in the beginning and 237.0 MB in the end (delta: 32.0 MB). Free memory was 130.1 MB in the beginning and 203.3 MB in the end (delta: -73.2 MB). Peak memory consumption was 44.9 MB. Max. memory is 7.1 GB. [2020-09-11 12:06:17,404 INFO L168 Benchmark]: TraceAbstraction took 248382.24 ms. Allocated memory was 237.0 MB in the beginning and 503.3 MB in the end (delta: 266.3 MB). Free memory was 203.3 MB in the beginning and 431.6 MB in the end (delta: -228.3 MB). Peak memory consumption was 38.0 MB. Max. memory is 7.1 GB. [2020-09-11 12:06:17,406 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 984.62 ms. Allocated memory was 140.0 MB in the beginning and 205.0 MB in the end (delta: 65.0 MB). Free memory was 100.4 MB in the beginning and 135.4 MB in the end (delta: -35.0 MB). Peak memory consumption was 35.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 119.68 ms. Allocated memory is still 205.0 MB. Free memory was 135.4 MB in the beginning and 132.1 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 55.55 ms. Allocated memory is still 205.0 MB. Free memory was 132.1 MB in the beginning and 130.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1063.47 ms. Allocated memory was 205.0 MB in the beginning and 237.0 MB in the end (delta: 32.0 MB). Free memory was 130.1 MB in the beginning and 203.3 MB in the end (delta: -73.2 MB). Peak memory consumption was 44.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 248382.24 ms. Allocated memory was 237.0 MB in the beginning and 503.3 MB in the end (delta: 266.3 MB). Free memory was 203.3 MB in the beginning and 431.6 MB in the end (delta: -228.3 MB). Peak memory consumption was 38.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 8.2s, 196 ProgramPointsBefore, 53 ProgramPointsAfterwards, 204 TransitionsBefore, 55 TransitionsAfterwards, 9440 CoEnabledTransitionPairs, 8 FixpointIterations, 63 TrivialSequentialCompositions, 92 ConcurrentSequentialCompositions, 4 TrivialYvCompositions, 19 ConcurrentYvCompositions, 6 ChoiceCompositions, 4960 VarBasedMoverChecksPositive, 92 VarBasedMoverChecksNegative, 17 SemBasedMoverChecksPositive, 115 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.9s, 0 MoverChecksTotal, 17748 CheckedPairsTotal, 178 TotalNumberOfCompositions - TimeoutResultAtElement [Line: 1030]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1030). Cancelled while BasicCegarLoop was constructing difference of abstraction (1780states) and FLOYD_HOARE automaton (currently 129 states, 69 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 195 known predicates. - TimeoutResultAtElement [Line: 1014]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1014). Cancelled while BasicCegarLoop was constructing difference of abstraction (1780states) and FLOYD_HOARE automaton (currently 129 states, 69 states before enhancement),while PredicateComparison was comparing new predicate (quantifier-free) to 195 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 190 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 248.1s, OverallIterations: 20, TraceHistogramMax: 16, AutomataDifference: 90.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 8.2s, HoareTripleCheckerStatistics: 735 SDtfs, 6728 SDslu, 4835 SDs, 0 SdLazy, 11720 SolverSat, 4052 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2683 GetRequests, 1591 SyntacticMatches, 2 SemanticMatches, 1089 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91910 ImplicationChecksByTransitivity, 76.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2010occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 19 MinimizatonAttempts, 6259 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 117.1s SatisfiabilityAnalysisTime, 25.4s InterpolantComputationTime, 2759 NumberOfCodeBlocks, 2517 NumberOfCodeBlocksAsserted, 79 NumberOfCheckSat, 2723 ConstructedInterpolants, 5 QuantifiedInterpolants, 1537607 SizeOfPredicates, 299 NumberOfNonLiveVariables, 6024 ConjunctsInSsa, 638 ConjunctsInUnsatCore, 36 InterpolantComputations, 4 PerfectInterpolantSequences, 1981/9189 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown