/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.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-60655ea [2020-09-14 12:37:02,282 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-14 12:37:02,287 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-14 12:37:02,335 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-14 12:37:02,335 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-14 12:37:02,346 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-14 12:37:02,348 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-14 12:37:02,353 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-14 12:37:02,356 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-14 12:37:02,360 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-14 12:37:02,361 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-14 12:37:02,363 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-14 12:37:02,363 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-14 12:37:02,367 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-14 12:37:02,370 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-14 12:37:02,372 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-14 12:37:02,374 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-14 12:37:02,375 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-14 12:37:02,377 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-14 12:37:02,386 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-14 12:37:02,387 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-14 12:37:02,389 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-14 12:37:02,390 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-14 12:37:02,391 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-14 12:37:02,395 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-14 12:37:02,395 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-14 12:37:02,395 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-14 12:37:02,398 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-14 12:37:02,399 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-14 12:37:02,401 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-14 12:37:02,401 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-14 12:37:02,402 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-14 12:37:02,403 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-14 12:37:02,404 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-14 12:37:02,406 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-14 12:37:02,406 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-14 12:37:02,407 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-14 12:37:02,407 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-14 12:37:02,407 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-14 12:37:02,408 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-14 12:37:02,410 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-14 12:37:02,411 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-14 12:37:02,443 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-14 12:37:02,443 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-14 12:37:02,444 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-14 12:37:02,445 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-14 12:37:02,445 INFO L138 SettingsManager]: * Use SBE=true [2020-09-14 12:37:02,445 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-14 12:37:02,446 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-14 12:37:02,446 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-14 12:37:02,446 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-14 12:37:02,446 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-14 12:37:02,446 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-14 12:37:02,447 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-14 12:37:02,447 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-14 12:37:02,447 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-14 12:37:02,447 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-14 12:37:02,447 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-14 12:37:02,448 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-14 12:37:02,448 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-14 12:37:02,448 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-14 12:37:02,448 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-14 12:37:02,449 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-14 12:37:02,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-14 12:37:02,449 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-14 12:37:02,449 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-14 12:37:02,449 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-14 12:37:02,450 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-14 12:37:02,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-14 12:37:02,450 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-14 12:37:02,450 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-14 12:37:02,451 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-14 12:37:02,905 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-14 12:37:02,921 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-14 12:37:02,928 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-14 12:37:02,930 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-14 12:37:02,932 INFO L275 PluginConnector]: CDTParser initialized [2020-09-14 12:37:02,933 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue_ok.i [2020-09-14 12:37:03,031 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5865bd04a/27aac2e322404181a887bdd0c1a61805/FLAG6b3455041 [2020-09-14 12:37:03,738 INFO L306 CDTParser]: Found 1 translation units. [2020-09-14 12:37:03,740 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread/queue_ok.i [2020-09-14 12:37:03,765 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5865bd04a/27aac2e322404181a887bdd0c1a61805/FLAG6b3455041 [2020-09-14 12:37:03,929 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5865bd04a/27aac2e322404181a887bdd0c1a61805 [2020-09-14 12:37:03,941 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-14 12:37:03,950 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-09-14 12:37:03,954 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-14 12:37:03,955 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-14 12:37:03,959 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-14 12:37:03,960 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.09 12:37:03" (1/1) ... [2020-09-14 12:37:03,964 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d9cd618 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 12:37:03, skipping insertion in model container [2020-09-14 12:37:03,964 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.09 12:37:03" (1/1) ... [2020-09-14 12:37:03,971 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-14 12:37:04,028 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-14 12:37:04,753 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-14 12:37:04,777 INFO L203 MainTranslator]: Completed pre-run [2020-09-14 12:37:04,882 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-14 12:37:05,093 INFO L208 MainTranslator]: Completed translation [2020-09-14 12:37:05,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 12:37:05 WrapperNode [2020-09-14 12:37:05,094 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-14 12:37:05,095 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-09-14 12:37:05,095 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-09-14 12:37:05,096 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-09-14 12:37:05,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 12:37:05" (1/1) ... [2020-09-14 12:37:05,156 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 12:37:05" (1/1) ... [2020-09-14 12:37:05,197 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-09-14 12:37:05,198 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-14 12:37:05,198 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-14 12:37:05,198 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-14 12:37:05,211 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 12:37:05" (1/1) ... [2020-09-14 12:37:05,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 12:37:05" (1/1) ... [2020-09-14 12:37:05,216 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 12:37:05" (1/1) ... [2020-09-14 12:37:05,217 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 12:37:05" (1/1) ... [2020-09-14 12:37:05,230 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 12:37:05" (1/1) ... [2020-09-14 12:37:05,237 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 12:37:05" (1/1) ... [2020-09-14 12:37:05,243 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 12:37:05" (1/1) ... [2020-09-14 12:37:05,248 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-14 12:37:05,248 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-14 12:37:05,249 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-14 12:37:05,249 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-14 12:37:05,250 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 12:37:05" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-14 12:37:05,334 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-09-14 12:37:05,334 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-09-14 12:37:05,335 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-09-14 12:37:05,335 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-09-14 12:37:05,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-14 12:37:05,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-14 12:37:05,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-14 12:37:05,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-14 12:37:05,336 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-09-14 12:37:05,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-14 12:37:05,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-14 12:37:05,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-14 12:37:05,339 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-09-14 12:37:06,021 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-14 12:37:06,021 INFO L295 CfgBuilder]: Removed 16 assume(true) statements. [2020-09-14 12:37:06,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.09 12:37:06 BoogieIcfgContainer [2020-09-14 12:37:06,028 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-14 12:37:06,029 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-14 12:37:06,029 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-14 12:37:06,033 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-14 12:37:06,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.09 12:37:03" (1/3) ... [2020-09-14 12:37:06,035 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@582963e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.09 12:37:06, skipping insertion in model container [2020-09-14 12:37:06,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 12:37:05" (2/3) ... [2020-09-14 12:37:06,036 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@582963e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.09 12:37:06, skipping insertion in model container [2020-09-14 12:37:06,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.09 12:37:06" (3/3) ... [2020-09-14 12:37:06,040 INFO L109 eAbstractionObserver]: Analyzing ICFG queue_ok.i [2020-09-14 12:37:06,051 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-09-14 12:37:06,052 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-14 12:37:06,061 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-09-14 12:37:06,062 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-09-14 12:37:06,099 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,100 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,100 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,100 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,101 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,101 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,101 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,101 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,102 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,102 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,102 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,102 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,103 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,103 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,103 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,103 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,104 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,104 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,104 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,104 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,104 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,105 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,105 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,105 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,105 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,105 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,106 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,106 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,106 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,106 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,106 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,106 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,107 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,107 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,107 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,107 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,108 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,108 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,108 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,108 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,108 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,109 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,109 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,109 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,109 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,110 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,110 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,110 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,110 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,110 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,111 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,111 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,111 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,111 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,112 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,112 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,112 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,112 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,113 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,113 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,113 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,113 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,114 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,114 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,114 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,114 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,114 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,115 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,115 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,115 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,115 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,115 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,116 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,116 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,116 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,116 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,117 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,117 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,117 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,117 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,117 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,118 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,118 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,118 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,118 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,119 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,120 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,121 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,121 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,121 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,121 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,121 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,122 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,122 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,122 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,123 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,123 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,123 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,123 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,124 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,124 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,124 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,124 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,124 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,125 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,125 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,125 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,125 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,126 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,126 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,126 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,126 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,126 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,127 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,127 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,127 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,127 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,127 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,128 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,128 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,128 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,128 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,129 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,129 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,129 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,129 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,129 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,130 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,130 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,130 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,130 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,130 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,131 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,131 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,131 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,131 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,131 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,132 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,132 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,132 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,132 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,133 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,133 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,133 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,133 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,133 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,134 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,134 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,134 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,134 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,134 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,135 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,135 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,135 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,135 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,135 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,136 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,136 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,136 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,136 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,136 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,137 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,137 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,137 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,137 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,137 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,138 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,138 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,138 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,138 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,138 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,139 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,139 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,139 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,139 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,139 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,140 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,140 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,140 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,140 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,141 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,141 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,141 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,141 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,142 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,142 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,142 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,142 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,142 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,143 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,143 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,143 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,143 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,143 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,144 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,144 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,144 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,144 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,144 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,145 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,145 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,145 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,145 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,146 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,146 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,146 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,146 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,146 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,147 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,147 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,147 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,147 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,153 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,153 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,153 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,153 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,154 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,154 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,154 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,154 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,154 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,155 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,155 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,155 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,155 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,156 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,156 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,156 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,156 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,156 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,157 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,157 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,157 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,157 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,157 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,165 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,165 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,165 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,165 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,166 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,166 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,166 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,166 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,167 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,167 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,167 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,167 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,167 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,168 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,168 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,168 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,168 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,168 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,169 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,169 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,169 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,169 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,169 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,170 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,170 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,170 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,170 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,170 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,171 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,171 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,171 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-09-14 12:37:06,212 INFO L251 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-09-14 12:37:06,237 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-14 12:37:06,237 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-14 12:37:06,237 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-14 12:37:06,237 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-14 12:37:06,237 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-14 12:37:06,237 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-14 12:37:06,237 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-14 12:37:06,238 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-14 12:37:06,260 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 196 places, 204 transitions, 430 flow [2020-09-14 12:37:06,263 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 196 places, 204 transitions, 430 flow [2020-09-14 12:37:06,363 INFO L129 PetriNetUnfolder]: 14/204 cut-off events. [2020-09-14 12:37:06,363 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-09-14 12:37:06,376 INFO L80 FinitePrefix]: Finished finitePrefix Result has 215 conditions, 204 events. 14/204 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 365 event pairs, 0 based on Foata normal form. 0/189 useless extension candidates. Maximal degree in co-relation 139. Up to 3 conditions per place. [2020-09-14 12:37:06,390 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 196 places, 204 transitions, 430 flow [2020-09-14 12:37:06,465 INFO L129 PetriNetUnfolder]: 14/204 cut-off events. [2020-09-14 12:37:06,465 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-09-14 12:37:06,468 INFO L80 FinitePrefix]: Finished finitePrefix Result has 215 conditions, 204 events. 14/204 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 365 event pairs, 0 based on Foata normal form. 0/189 useless extension candidates. Maximal degree in co-relation 139. Up to 3 conditions per place. [2020-09-14 12:37:06,475 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 9440 [2020-09-14 12:37:06,477 INFO L170 etLargeBlockEncoding]: Semantic Check. [2020-09-14 12:37:09,998 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2020-09-14 12:37:10,965 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-09-14 12:37:11,153 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-09-14 12:37:11,763 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 122 [2020-09-14 12:37:12,162 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-09-14 12:37:13,669 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 155 DAG size of output: 147 [2020-09-14 12:37:14,130 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-09-14 12:37:14,155 INFO L206 etLargeBlockEncoding]: Checked pairs total: 17748 [2020-09-14 12:37:14,156 INFO L214 etLargeBlockEncoding]: Total number of compositions: 178 [2020-09-14 12:37:14,160 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 53 places, 55 transitions, 132 flow [2020-09-14 12:37:14,202 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 716 states. [2020-09-14 12:37:14,204 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states. [2020-09-14 12:37:14,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2020-09-14 12:37:14,212 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:37:14,213 INFO L422 BasicCegarLoop]: trace histogram [1] [2020-09-14 12:37:14,214 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-14 12:37:14,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:37:14,221 INFO L82 PathProgramCache]: Analyzing trace with hash 810, now seen corresponding path program 1 times [2020-09-14 12:37:14,236 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:37:14,236 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297847424] [2020-09-14 12:37:14,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:37:14,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:37:14,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:37:14,384 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297847424] [2020-09-14 12:37:14,385 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-14 12:37:14,385 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2020-09-14 12:37:14,386 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334116299] [2020-09-14 12:37:14,392 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-09-14 12:37:14,393 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 12:37:14,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-09-14 12:37:14,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-09-14 12:37:14,415 INFO L87 Difference]: Start difference. First operand 716 states. Second operand 2 states. [2020-09-14 12:37:14,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 12:37:14,463 INFO L93 Difference]: Finished difference Result 715 states and 1901 transitions. [2020-09-14 12:37:14,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-09-14 12:37:14,465 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1 [2020-09-14 12:37:14,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 12:37:14,489 INFO L225 Difference]: With dead ends: 715 [2020-09-14 12:37:14,489 INFO L226 Difference]: Without dead ends: 524 [2020-09-14 12:37:14,491 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-09-14 12:37:14,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2020-09-14 12:37:14,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 524. [2020-09-14 12:37:14,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 524 states. [2020-09-14 12:37:14,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 1400 transitions. [2020-09-14 12:37:14,582 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 1400 transitions. Word has length 1 [2020-09-14 12:37:14,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 12:37:14,583 INFO L479 AbstractCegarLoop]: Abstraction has 524 states and 1400 transitions. [2020-09-14 12:37:14,583 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-09-14 12:37:14,583 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 1400 transitions. [2020-09-14 12:37:14,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-09-14 12:37:14,587 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:37:14,588 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-14 12:37:14,588 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-14 12:37:14,588 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-14 12:37:14,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:37:14,589 INFO L82 PathProgramCache]: Analyzing trace with hash 1385599744, now seen corresponding path program 1 times [2020-09-14 12:37:14,589 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:37:14,589 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534134108] [2020-09-14 12:37:14,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:37:14,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:37:14,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:37:14,780 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534134108] [2020-09-14 12:37:14,781 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-14 12:37:14,781 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-09-14 12:37:14,781 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932815549] [2020-09-14 12:37:14,783 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-14 12:37:14,783 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 12:37:14,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-14 12:37:14,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-14 12:37:14,784 INFO L87 Difference]: Start difference. First operand 524 states and 1400 transitions. Second operand 3 states. [2020-09-14 12:37:14,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 12:37:14,798 INFO L93 Difference]: Finished difference Result 236 states and 509 transitions. [2020-09-14 12:37:14,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-14 12:37:14,799 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2020-09-14 12:37:14,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 12:37:14,801 INFO L225 Difference]: With dead ends: 236 [2020-09-14 12:37:14,801 INFO L226 Difference]: Without dead ends: 212 [2020-09-14 12:37:14,802 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-14 12:37:14,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2020-09-14 12:37:14,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2020-09-14 12:37:14,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2020-09-14 12:37:14,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 464 transitions. [2020-09-14 12:37:14,815 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 464 transitions. Word has length 15 [2020-09-14 12:37:14,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 12:37:14,816 INFO L479 AbstractCegarLoop]: Abstraction has 212 states and 464 transitions. [2020-09-14 12:37:14,816 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-14 12:37:14,816 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 464 transitions. [2020-09-14 12:37:14,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-09-14 12:37:14,818 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:37:14,819 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-14 12:37:14,819 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-14 12:37:14,819 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-14 12:37:14,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:37:14,820 INFO L82 PathProgramCache]: Analyzing trace with hash 1061498615, now seen corresponding path program 1 times [2020-09-14 12:37:14,820 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:37:14,820 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100454973] [2020-09-14 12:37:14,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:37:14,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:37:14,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:37:14,933 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100454973] [2020-09-14 12:37:14,933 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-14 12:37:14,933 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-14 12:37:14,934 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621539703] [2020-09-14 12:37:14,934 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-14 12:37:14,934 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 12:37:14,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-14 12:37:14,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-14 12:37:14,935 INFO L87 Difference]: Start difference. First operand 212 states and 464 transitions. Second operand 3 states. [2020-09-14 12:37:14,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 12:37:14,960 INFO L93 Difference]: Finished difference Result 272 states and 590 transitions. [2020-09-14 12:37:14,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-14 12:37:14,961 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-09-14 12:37:14,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 12:37:14,964 INFO L225 Difference]: With dead ends: 272 [2020-09-14 12:37:14,964 INFO L226 Difference]: Without dead ends: 272 [2020-09-14 12:37:14,964 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-14 12:37:14,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2020-09-14 12:37:14,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 218. [2020-09-14 12:37:14,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2020-09-14 12:37:14,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 476 transitions. [2020-09-14 12:37:14,979 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 476 transitions. Word has length 19 [2020-09-14 12:37:14,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 12:37:14,980 INFO L479 AbstractCegarLoop]: Abstraction has 218 states and 476 transitions. [2020-09-14 12:37:14,980 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-14 12:37:14,980 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 476 transitions. [2020-09-14 12:37:14,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-09-14 12:37:14,982 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:37:14,982 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-14 12:37:14,982 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-14 12:37:14,982 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-14 12:37:14,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:37:14,983 INFO L82 PathProgramCache]: Analyzing trace with hash -1197878433, now seen corresponding path program 1 times [2020-09-14 12:37:14,984 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:37:14,984 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761339256] [2020-09-14 12:37:14,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:37:15,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:37:15,128 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:37:15,129 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761339256] [2020-09-14 12:37:15,129 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-14 12:37:15,129 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-14 12:37:15,130 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545676881] [2020-09-14 12:37:15,130 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-14 12:37:15,131 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 12:37:15,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-14 12:37:15,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-14 12:37:15,132 INFO L87 Difference]: Start difference. First operand 218 states and 476 transitions. Second operand 3 states. [2020-09-14 12:37:15,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 12:37:15,158 INFO L93 Difference]: Finished difference Result 166 states and 334 transitions. [2020-09-14 12:37:15,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-14 12:37:15,159 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-09-14 12:37:15,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 12:37:15,160 INFO L225 Difference]: With dead ends: 166 [2020-09-14 12:37:15,161 INFO L226 Difference]: Without dead ends: 164 [2020-09-14 12:37:15,161 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-09-14 12:37:15,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2020-09-14 12:37:15,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2020-09-14 12:37:15,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2020-09-14 12:37:15,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 331 transitions. [2020-09-14 12:37:15,176 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 331 transitions. Word has length 26 [2020-09-14 12:37:15,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 12:37:15,177 INFO L479 AbstractCegarLoop]: Abstraction has 164 states and 331 transitions. [2020-09-14 12:37:15,177 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-14 12:37:15,177 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 331 transitions. [2020-09-14 12:37:15,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-09-14 12:37:15,179 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:37:15,179 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-14 12:37:15,179 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-14 12:37:15,180 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-14 12:37:15,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:37:15,180 INFO L82 PathProgramCache]: Analyzing trace with hash -969107883, now seen corresponding path program 1 times [2020-09-14 12:37:15,180 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:37:15,181 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12209283] [2020-09-14 12:37:15,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:37:15,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:37:15,256 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:37:15,257 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12209283] [2020-09-14 12:37:15,257 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1560985320] [2020-09-14 12:37:15,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-14 12:37:15,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:37:15,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 3 conjunts are in the unsatisfiable core [2020-09-14 12:37:15,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-14 12:37:15,437 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:37:15,437 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-14 12:37:15,437 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-09-14 12:37:15,438 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782831233] [2020-09-14 12:37:15,438 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-14 12:37:15,439 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 12:37:15,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-14 12:37:15,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-09-14 12:37:15,439 INFO L87 Difference]: Start difference. First operand 164 states and 331 transitions. Second operand 5 states. [2020-09-14 12:37:15,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 12:37:15,469 INFO L93 Difference]: Finished difference Result 240 states and 472 transitions. [2020-09-14 12:37:15,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-14 12:37:15,470 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-09-14 12:37:15,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 12:37:15,472 INFO L225 Difference]: With dead ends: 240 [2020-09-14 12:37:15,472 INFO L226 Difference]: Without dead ends: 240 [2020-09-14 12:37:15,472 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-09-14 12:37:15,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-09-14 12:37:15,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 204. [2020-09-14 12:37:15,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2020-09-14 12:37:15,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 405 transitions. [2020-09-14 12:37:15,480 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 405 transitions. Word has length 27 [2020-09-14 12:37:15,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 12:37:15,480 INFO L479 AbstractCegarLoop]: Abstraction has 204 states and 405 transitions. [2020-09-14 12:37:15,480 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-14 12:37:15,480 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 405 transitions. [2020-09-14 12:37:15,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-09-14 12:37:15,482 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:37:15,482 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-14 12:37:15,696 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-14 12:37:15,697 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-14 12:37:15,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:37:15,698 INFO L82 PathProgramCache]: Analyzing trace with hash 1561383711, now seen corresponding path program 2 times [2020-09-14 12:37:15,698 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:37:15,699 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423185476] [2020-09-14 12:37:15,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:37:15,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:37:15,820 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:37:15,820 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423185476] [2020-09-14 12:37:15,820 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1458785863] [2020-09-14 12:37:15,821 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-14 12:37:15,982 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-09-14 12:37:15,982 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-14 12:37:15,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 4 conjunts are in the unsatisfiable core [2020-09-14 12:37:15,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-14 12:37:16,017 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:37:16,017 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-14 12:37:16,017 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-09-14 12:37:16,018 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659085258] [2020-09-14 12:37:16,018 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-09-14 12:37:16,018 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 12:37:16,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-09-14 12:37:16,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-09-14 12:37:16,019 INFO L87 Difference]: Start difference. First operand 204 states and 405 transitions. Second operand 6 states. [2020-09-14 12:37:16,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 12:37:16,065 INFO L93 Difference]: Finished difference Result 280 states and 546 transitions. [2020-09-14 12:37:16,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-14 12:37:16,067 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2020-09-14 12:37:16,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 12:37:16,069 INFO L225 Difference]: With dead ends: 280 [2020-09-14 12:37:16,069 INFO L226 Difference]: Without dead ends: 280 [2020-09-14 12:37:16,070 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-09-14 12:37:16,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2020-09-14 12:37:16,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 244. [2020-09-14 12:37:16,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2020-09-14 12:37:16,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 479 transitions. [2020-09-14 12:37:16,079 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 479 transitions. Word has length 34 [2020-09-14 12:37:16,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 12:37:16,079 INFO L479 AbstractCegarLoop]: Abstraction has 244 states and 479 transitions. [2020-09-14 12:37:16,080 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-09-14 12:37:16,080 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 479 transitions. [2020-09-14 12:37:16,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-09-14 12:37:16,084 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:37:16,084 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-14 12:37:16,298 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-14 12:37:16,298 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-14 12:37:16,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:37:16,299 INFO L82 PathProgramCache]: Analyzing trace with hash -303137003, now seen corresponding path program 3 times [2020-09-14 12:37:16,299 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:37:16,299 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013352864] [2020-09-14 12:37:16,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:37:16,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:37:16,444 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:37:16,444 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013352864] [2020-09-14 12:37:16,444 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1878949445] [2020-09-14 12:37:16,445 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-14 12:37:16,983 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2020-09-14 12:37:16,983 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-14 12:37:16,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 5 conjunts are in the unsatisfiable core [2020-09-14 12:37:16,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-14 12:37:17,020 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:37:17,020 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-14 12:37:17,020 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2020-09-14 12:37:17,021 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211042073] [2020-09-14 12:37:17,021 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-14 12:37:17,022 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 12:37:17,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-14 12:37:17,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-09-14 12:37:17,022 INFO L87 Difference]: Start difference. First operand 244 states and 479 transitions. Second operand 7 states. [2020-09-14 12:37:17,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 12:37:17,089 INFO L93 Difference]: Finished difference Result 320 states and 620 transitions. [2020-09-14 12:37:17,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-14 12:37:17,089 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 41 [2020-09-14 12:37:17,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 12:37:17,092 INFO L225 Difference]: With dead ends: 320 [2020-09-14 12:37:17,092 INFO L226 Difference]: Without dead ends: 320 [2020-09-14 12:37:17,092 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-09-14 12:37:17,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2020-09-14 12:37:17,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 284. [2020-09-14 12:37:17,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 284 states. [2020-09-14 12:37:17,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 553 transitions. [2020-09-14 12:37:17,102 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 553 transitions. Word has length 41 [2020-09-14 12:37:17,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 12:37:17,102 INFO L479 AbstractCegarLoop]: Abstraction has 284 states and 553 transitions. [2020-09-14 12:37:17,102 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-14 12:37:17,103 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 553 transitions. [2020-09-14 12:37:17,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-09-14 12:37:17,104 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:37:17,104 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-14 12:37:17,318 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-14 12:37:17,319 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-14 12:37:17,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:37:17,320 INFO L82 PathProgramCache]: Analyzing trace with hash 1439404639, now seen corresponding path program 4 times [2020-09-14 12:37:17,320 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:37:17,321 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425905382] [2020-09-14 12:37:17,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:37:17,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:37:17,504 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:37:17,505 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425905382] [2020-09-14 12:37:17,506 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1867519388] [2020-09-14 12:37:17,506 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-14 12:37:17,825 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-09-14 12:37:17,825 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-14 12:37:17,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 6 conjunts are in the unsatisfiable core [2020-09-14 12:37:17,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-14 12:37:17,863 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:37:17,864 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-14 12:37:17,864 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2020-09-14 12:37:17,864 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561254334] [2020-09-14 12:37:17,865 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-14 12:37:17,865 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 12:37:17,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-14 12:37:17,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2020-09-14 12:37:17,866 INFO L87 Difference]: Start difference. First operand 284 states and 553 transitions. Second operand 8 states. [2020-09-14 12:37:17,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 12:37:17,960 INFO L93 Difference]: Finished difference Result 360 states and 694 transitions. [2020-09-14 12:37:17,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-14 12:37:17,960 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 48 [2020-09-14 12:37:17,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 12:37:17,965 INFO L225 Difference]: With dead ends: 360 [2020-09-14 12:37:17,965 INFO L226 Difference]: Without dead ends: 360 [2020-09-14 12:37:17,965 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2020-09-14 12:37:17,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-09-14 12:37:17,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 324. [2020-09-14 12:37:17,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324 states. [2020-09-14 12:37:17,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 627 transitions. [2020-09-14 12:37:17,977 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 627 transitions. Word has length 48 [2020-09-14 12:37:17,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 12:37:17,977 INFO L479 AbstractCegarLoop]: Abstraction has 324 states and 627 transitions. [2020-09-14 12:37:17,977 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-14 12:37:17,978 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 627 transitions. [2020-09-14 12:37:17,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-09-14 12:37:17,979 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:37:17,980 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-14 12:37:18,195 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-14 12:37:18,196 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-14 12:37:18,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:37:18,196 INFO L82 PathProgramCache]: Analyzing trace with hash -2001070123, now seen corresponding path program 5 times [2020-09-14 12:37:18,197 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:37:18,197 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220370283] [2020-09-14 12:37:18,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:37:18,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:37:18,353 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:37:18,353 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220370283] [2020-09-14 12:37:18,354 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [969562324] [2020-09-14 12:37:18,354 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-14 12:37:18,612 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2020-09-14 12:37:18,612 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-14 12:37:18,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 39 conjunts are in the unsatisfiable core [2020-09-14 12:37:18,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-14 12:37:18,684 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-09-14 12:37:18,685 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:18,689 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:18,690 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:37:18,690 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:9 [2020-09-14 12:37:18,743 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:18,744 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 62 [2020-09-14 12:37:18,745 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:18,778 INFO L625 ElimStorePlain]: treesize reduction 24, result has 62.5 percent of original size [2020-09-14 12:37:18,784 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:37:18,794 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-14 12:37:18,794 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:35 [2020-09-14 12:37:18,862 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:37:18,905 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:18,906 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 54 [2020-09-14 12:37:18,908 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:37:18,910 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:18,919 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-14 12:37:18,937 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:18,938 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-09-14 12:37:18,939 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:19,045 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2020-09-14 12:37:19,046 INFO L625 ElimStorePlain]: treesize reduction 50, result has 64.8 percent of original size [2020-09-14 12:37:19,054 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-14 12:37:19,054 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:96, output treesize:48 [2020-09-14 12:37:19,103 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:37:19,123 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2020-09-14 12:37:19,123 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:19,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:37:19,139 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-14 12:37:19,140 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:19,174 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:19,177 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-14 12:37:19,178 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-09-14 12:37:19,258 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2020-09-14 12:37:19,259 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:19,271 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:19,272 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:37:19,272 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:34 [2020-09-14 12:37:19,406 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:19,406 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 75 [2020-09-14 12:37:19,407 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:19,440 INFO L625 ElimStorePlain]: treesize reduction 44, result has 49.4 percent of original size [2020-09-14 12:37:19,445 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:37:19,445 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:47, output treesize:9 [2020-09-14 12:37:19,489 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:19,490 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 57 [2020-09-14 12:37:19,490 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:19,508 INFO L625 ElimStorePlain]: treesize reduction 30, result has 44.4 percent of original size [2020-09-14 12:37:19,510 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:37:19,510 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:34, output treesize:9 [2020-09-14 12:37:19,545 INFO L350 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2020-09-14 12:37:19,545 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 24 [2020-09-14 12:37:19,546 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:19,552 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:19,553 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:37:19,553 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:9 [2020-09-14 12:37:19,566 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 63 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-09-14 12:37:19,567 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-14 12:37:19,567 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 17 [2020-09-14 12:37:19,568 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815294328] [2020-09-14 12:37:19,568 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-14 12:37:19,568 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 12:37:19,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-14 12:37:19,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2020-09-14 12:37:19,569 INFO L87 Difference]: Start difference. First operand 324 states and 627 transitions. Second operand 17 states. [2020-09-14 12:37:22,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 12:37:22,896 INFO L93 Difference]: Finished difference Result 990 states and 1887 transitions. [2020-09-14 12:37:22,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-09-14 12:37:22,896 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 55 [2020-09-14 12:37:22,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 12:37:22,903 INFO L225 Difference]: With dead ends: 990 [2020-09-14 12:37:22,904 INFO L226 Difference]: Without dead ends: 990 [2020-09-14 12:37:22,905 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 940 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=738, Invalid=2342, Unknown=0, NotChecked=0, Total=3080 [2020-09-14 12:37:22,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 990 states. [2020-09-14 12:37:22,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 990 to 640. [2020-09-14 12:37:22,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 640 states. [2020-09-14 12:37:22,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 1212 transitions. [2020-09-14 12:37:22,926 INFO L78 Accepts]: Start accepts. Automaton has 640 states and 1212 transitions. Word has length 55 [2020-09-14 12:37:22,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 12:37:22,926 INFO L479 AbstractCegarLoop]: Abstraction has 640 states and 1212 transitions. [2020-09-14 12:37:22,926 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-14 12:37:22,926 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 1212 transitions. [2020-09-14 12:37:22,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-09-14 12:37:22,928 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:37:22,929 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-14 12:37:23,142 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-14 12:37:23,142 INFO L427 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-14 12:37:23,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:37:23,143 INFO L82 PathProgramCache]: Analyzing trace with hash 1721466975, now seen corresponding path program 1 times [2020-09-14 12:37:23,143 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:37:23,143 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194776931] [2020-09-14 12:37:23,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:37:23,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:37:23,408 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:37:23,410 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194776931] [2020-09-14 12:37:23,411 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [355235209] [2020-09-14 12:37:23,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-14 12:37:23,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:37:23,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 8 conjunts are in the unsatisfiable core [2020-09-14 12:37:23,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-14 12:37:23,581 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:37:23,582 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-14 12:37:23,582 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2020-09-14 12:37:23,582 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269160667] [2020-09-14 12:37:23,586 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-14 12:37:23,586 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 12:37:23,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-14 12:37:23,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2020-09-14 12:37:23,587 INFO L87 Difference]: Start difference. First operand 640 states and 1212 transitions. Second operand 10 states. [2020-09-14 12:37:23,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 12:37:23,654 INFO L93 Difference]: Finished difference Result 828 states and 1557 transitions. [2020-09-14 12:37:23,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-14 12:37:23,654 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 64 [2020-09-14 12:37:23,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 12:37:23,661 INFO L225 Difference]: With dead ends: 828 [2020-09-14 12:37:23,661 INFO L226 Difference]: Without dead ends: 828 [2020-09-14 12:37:23,661 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2020-09-14 12:37:23,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2020-09-14 12:37:23,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 740. [2020-09-14 12:37:23,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 740 states. [2020-09-14 12:37:23,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 740 states and 1395 transitions. [2020-09-14 12:37:23,682 INFO L78 Accepts]: Start accepts. Automaton has 740 states and 1395 transitions. Word has length 64 [2020-09-14 12:37:23,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 12:37:23,683 INFO L479 AbstractCegarLoop]: Abstraction has 740 states and 1395 transitions. [2020-09-14 12:37:23,683 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-14 12:37:23,683 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 1395 transitions. [2020-09-14 12:37:23,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-09-14 12:37:23,686 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:37:23,686 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-14 12:37:23,900 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-14 12:37:23,901 INFO L427 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-14 12:37:23,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:37:23,902 INFO L82 PathProgramCache]: Analyzing trace with hash 1068182613, now seen corresponding path program 2 times [2020-09-14 12:37:23,902 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:37:23,903 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921480601] [2020-09-14 12:37:23,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:37:23,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:37:24,086 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:37:24,086 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921480601] [2020-09-14 12:37:24,087 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [693267986] [2020-09-14 12:37:24,087 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-14 12:37:24,251 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-09-14 12:37:24,251 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-14 12:37:24,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 9 conjunts are in the unsatisfiable core [2020-09-14 12:37:24,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-14 12:37:24,284 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:37:24,284 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-14 12:37:24,284 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 11 [2020-09-14 12:37:24,285 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824749760] [2020-09-14 12:37:24,286 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-14 12:37:24,286 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 12:37:24,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-14 12:37:24,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2020-09-14 12:37:24,287 INFO L87 Difference]: Start difference. First operand 740 states and 1395 transitions. Second operand 11 states. [2020-09-14 12:37:24,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 12:37:24,373 INFO L93 Difference]: Finished difference Result 928 states and 1740 transitions. [2020-09-14 12:37:24,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-09-14 12:37:24,376 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 71 [2020-09-14 12:37:24,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 12:37:24,383 INFO L225 Difference]: With dead ends: 928 [2020-09-14 12:37:24,383 INFO L226 Difference]: Without dead ends: 928 [2020-09-14 12:37:24,384 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2020-09-14 12:37:24,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 928 states. [2020-09-14 12:37:24,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 928 to 840. [2020-09-14 12:37:24,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 840 states. [2020-09-14 12:37:24,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 840 states and 1578 transitions. [2020-09-14 12:37:24,434 INFO L78 Accepts]: Start accepts. Automaton has 840 states and 1578 transitions. Word has length 71 [2020-09-14 12:37:24,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 12:37:24,434 INFO L479 AbstractCegarLoop]: Abstraction has 840 states and 1578 transitions. [2020-09-14 12:37:24,434 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-14 12:37:24,435 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1578 transitions. [2020-09-14 12:37:24,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-09-14 12:37:24,437 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:37:24,437 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 5, 5, 5, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-14 12:37:24,652 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-14 12:37:24,653 INFO L427 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-14 12:37:24,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:37:24,654 INFO L82 PathProgramCache]: Analyzing trace with hash -1341473003, now seen corresponding path program 3 times [2020-09-14 12:37:24,654 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:37:24,654 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123497547] [2020-09-14 12:37:24,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:37:24,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:37:24,864 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 177 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:37:24,865 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123497547] [2020-09-14 12:37:24,865 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1860459320] [2020-09-14 12:37:24,865 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-14 12:37:25,917 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2020-09-14 12:37:25,917 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-14 12:37:25,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 67 conjunts are in the unsatisfiable core [2020-09-14 12:37:25,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-14 12:37:25,945 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 88 [2020-09-14 12:37:25,951 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:26,008 INFO L625 ElimStorePlain]: treesize reduction 65, result has 30.1 percent of original size [2020-09-14 12:37:26,014 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 11 treesize of output 7 [2020-09-14 12:37:26,015 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:26,025 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:26,031 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:37:26,031 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:32, output treesize:16 [2020-09-14 12:37:26,056 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 7 treesize of output 3 [2020-09-14 12:37:26,057 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:26,062 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:26,063 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:37:26,063 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:16, output treesize:4 [2020-09-14 12:37:26,110 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-09-14 12:37:26,110 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:26,115 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:26,115 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:37:26,115 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2020-09-14 12:37:26,142 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-14 12:37:26,143 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:26,150 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:26,151 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:37:26,152 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:14 [2020-09-14 12:37:26,198 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-14 12:37:26,218 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:26,219 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-09-14 12:37:26,220 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:26,259 INFO L625 ElimStorePlain]: treesize reduction 30, result has 53.1 percent of original size [2020-09-14 12:37:26,261 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:37:26,261 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:44, output treesize:20 [2020-09-14 12:37:26,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:37:26,304 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-14 12:37:26,305 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:26,322 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:26,323 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:37:26,324 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:35, output treesize:20 [2020-09-14 12:37:26,388 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2020-09-14 12:37:26,388 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:26,399 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:26,399 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:37:26,400 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:14 [2020-09-14 12:37:26,435 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-14 12:37:26,436 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:26,442 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:26,444 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:37:26,444 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:29, output treesize:9 [2020-09-14 12:37:26,499 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-14 12:37:26,515 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:26,516 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 49 [2020-09-14 12:37:26,517 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:26,545 INFO L625 ElimStorePlain]: treesize reduction 26, result has 49.0 percent of original size [2020-09-14 12:37:26,546 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:37:26,546 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:37, output treesize:16 [2020-09-14 12:37:26,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:37:26,578 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 [2020-09-14 12:37:26,579 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:26,589 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:26,590 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:37:26,590 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:31, output treesize:16 [2020-09-14 12:37:26,598 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2020-09-14 12:37:26,599 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:26,601 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:26,601 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:37:26,601 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:1 [2020-09-14 12:37:26,615 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 78 proven. 35 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2020-09-14 12:37:26,616 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-14 12:37:26,616 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12] total 22 [2020-09-14 12:37:26,616 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199438343] [2020-09-14 12:37:26,617 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-09-14 12:37:26,617 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 12:37:26,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-09-14 12:37:26,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=366, Unknown=0, NotChecked=0, Total=462 [2020-09-14 12:37:26,618 INFO L87 Difference]: Start difference. First operand 840 states and 1578 transitions. Second operand 22 states. [2020-09-14 12:37:29,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 12:37:29,573 INFO L93 Difference]: Finished difference Result 1276 states and 2352 transitions. [2020-09-14 12:37:29,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2020-09-14 12:37:29,573 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 79 [2020-09-14 12:37:29,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 12:37:29,580 INFO L225 Difference]: With dead ends: 1276 [2020-09-14 12:37:29,580 INFO L226 Difference]: Without dead ends: 1276 [2020-09-14 12:37:29,582 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 68 SyntacticMatches, 1 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1765 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=1146, Invalid=4256, Unknown=0, NotChecked=0, Total=5402 [2020-09-14 12:37:29,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1276 states. [2020-09-14 12:37:29,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1276 to 888. [2020-09-14 12:37:29,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 888 states. [2020-09-14 12:37:29,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 888 states and 1638 transitions. [2020-09-14 12:37:29,605 INFO L78 Accepts]: Start accepts. Automaton has 888 states and 1638 transitions. Word has length 79 [2020-09-14 12:37:29,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 12:37:29,606 INFO L479 AbstractCegarLoop]: Abstraction has 888 states and 1638 transitions. [2020-09-14 12:37:29,606 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-09-14 12:37:29,606 INFO L276 IsEmpty]: Start isEmpty. Operand 888 states and 1638 transitions. [2020-09-14 12:37:29,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-09-14 12:37:29,608 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:37:29,609 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-14 12:37:29,822 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-09-14 12:37:29,823 INFO L427 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-14 12:37:29,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:37:29,824 INFO L82 PathProgramCache]: Analyzing trace with hash -1962857127, now seen corresponding path program 4 times [2020-09-14 12:37:29,824 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:37:29,824 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301330956] [2020-09-14 12:37:29,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:37:29,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:37:30,107 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:37:30,107 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301330956] [2020-09-14 12:37:30,107 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1625730427] [2020-09-14 12:37:30,108 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-14 12:37:31,371 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-09-14 12:37:31,371 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-14 12:37:31,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 11 conjunts are in the unsatisfiable core [2020-09-14 12:37:31,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-14 12:37:31,418 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:37:31,419 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-14 12:37:31,419 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 13 [2020-09-14 12:37:31,419 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338406751] [2020-09-14 12:37:31,420 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-14 12:37:31,421 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 12:37:31,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-14 12:37:31,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2020-09-14 12:37:31,422 INFO L87 Difference]: Start difference. First operand 888 states and 1638 transitions. Second operand 13 states. [2020-09-14 12:37:31,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 12:37:31,510 INFO L93 Difference]: Finished difference Result 1060 states and 1947 transitions. [2020-09-14 12:37:31,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-14 12:37:31,510 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 88 [2020-09-14 12:37:31,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 12:37:31,515 INFO L225 Difference]: With dead ends: 1060 [2020-09-14 12:37:31,515 INFO L226 Difference]: Without dead ends: 1060 [2020-09-14 12:37:31,516 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2020-09-14 12:37:31,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1060 states. [2020-09-14 12:37:31,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1060 to 980. [2020-09-14 12:37:31,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 980 states. [2020-09-14 12:37:31,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 980 states and 1803 transitions. [2020-09-14 12:37:31,537 INFO L78 Accepts]: Start accepts. Automaton has 980 states and 1803 transitions. Word has length 88 [2020-09-14 12:37:31,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 12:37:31,537 INFO L479 AbstractCegarLoop]: Abstraction has 980 states and 1803 transitions. [2020-09-14 12:37:31,537 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-14 12:37:31,537 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 1803 transitions. [2020-09-14 12:37:31,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-09-14 12:37:31,540 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:37:31,540 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 6, 6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-14 12:37:31,755 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-14 12:37:31,756 INFO L427 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-14 12:37:31,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:37:31,756 INFO L82 PathProgramCache]: Analyzing trace with hash -1574165281, now seen corresponding path program 5 times [2020-09-14 12:37:31,757 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:37:31,757 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478847910] [2020-09-14 12:37:31,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:37:31,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:37:32,021 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 0 proven. 292 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:37:32,022 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478847910] [2020-09-14 12:37:32,022 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [812627343] [2020-09-14 12:37:32,022 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-14 12:37:37,150 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2020-09-14 12:37:37,150 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-14 12:37:37,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 143 conjunts are in the unsatisfiable core [2020-09-14 12:37:37,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-14 12:37:37,251 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2020-09-14 12:37:37,252 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:37,257 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:37,257 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:37:37,257 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:12 [2020-09-14 12:37:37,301 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:37,302 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 63 [2020-09-14 12:37:37,303 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:37:37,304 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:37,345 INFO L625 ElimStorePlain]: treesize reduction 24, result has 63.1 percent of original size [2020-09-14 12:37:37,347 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:37:37,349 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-14 12:37:37,349 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:31, output treesize:36 [2020-09-14 12:37:37,430 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:37:37,439 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-14 12:37:37,443 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-14 12:37:37,462 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:37,463 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 50 [2020-09-14 12:37:37,466 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 1] term [2020-09-14 12:37:37,467 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-09-14 12:37:37,468 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-09-14 12:37:37,491 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:37,492 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 46 [2020-09-14 12:37:37,494 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-09-14 12:37:37,494 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-14 12:37:37,495 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2020-09-14 12:37:37,591 INFO L625 ElimStorePlain]: treesize reduction 136, result has 35.5 percent of original size [2020-09-14 12:37:37,593 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-14 12:37:37,593 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:91, output treesize:49 [2020-09-14 12:37:37,649 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:37:37,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:37:37,671 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2020-09-14 12:37:37,672 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:37,678 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2020-09-14 12:37:37,679 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:37,716 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:37,718 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-14 12:37:37,718 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:79, output treesize:49 [2020-09-14 12:37:37,784 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2020-09-14 12:37:37,785 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:37,788 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:37,788 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:37:37,788 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:9 [2020-09-14 12:37:37,839 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:37,840 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 62 [2020-09-14 12:37:37,841 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:37,886 INFO L625 ElimStorePlain]: treesize reduction 24, result has 62.5 percent of original size [2020-09-14 12:37:37,888 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:37:37,897 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-14 12:37:37,897 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:35 [2020-09-14 12:37:37,996 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:37:38,033 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:38,034 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 46 [2020-09-14 12:37:38,036 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-09-14 12:37:38,036 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-14 12:37:38,037 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-09-14 12:37:38,045 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-14 12:37:38,064 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:38,065 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 49 [2020-09-14 12:37:38,066 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:38,165 INFO L625 ElimStorePlain]: treesize reduction 53, result has 61.3 percent of original size [2020-09-14 12:37:38,168 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-14 12:37:38,168 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:90, output treesize:48 [2020-09-14 12:37:38,236 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:37:38,289 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2020-09-14 12:37:38,290 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:38,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:37:38,302 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-14 12:37:38,302 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:38,337 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:38,338 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-14 12:37:38,339 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-09-14 12:37:38,490 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 1] term [2020-09-14 12:37:38,491 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-14 12:37:38,502 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2020-09-14 12:37:38,503 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:38,549 INFO L625 ElimStorePlain]: treesize reduction 10, result has 87.3 percent of original size [2020-09-14 12:37:38,554 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2020-09-14 12:37:38,555 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:38,571 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:38,572 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-14 12:37:38,572 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:98, output treesize:47 [2020-09-14 12:37:38,625 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:37:38,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:37:38,656 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2020-09-14 12:37:38,657 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:38,692 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:38,692 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 62 [2020-09-14 12:37:38,693 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:38,778 INFO L625 ElimStorePlain]: treesize reduction 24, result has 79.3 percent of original size [2020-09-14 12:37:38,781 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:37:38,783 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-09-14 12:37:38,783 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:86, output treesize:70 [2020-09-14 12:37:38,925 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:37:38,955 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:38,955 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 46 [2020-09-14 12:37:38,957 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-09-14 12:37:38,957 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-14 12:37:38,958 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-09-14 12:37:38,963 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-14 12:37:38,981 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:38,981 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 49 [2020-09-14 12:37:38,982 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:39,075 INFO L625 ElimStorePlain]: treesize reduction 53, result has 61.3 percent of original size [2020-09-14 12:37:39,079 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-14 12:37:39,079 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:90, output treesize:48 [2020-09-14 12:37:39,155 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:37:39,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:37:39,179 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-14 12:37:39,179 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:39,186 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2020-09-14 12:37:39,186 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:39,220 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:39,222 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-14 12:37:39,222 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-09-14 12:37:39,303 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 1] term [2020-09-14 12:37:39,303 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:37:39,318 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2020-09-14 12:37:39,318 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:39,337 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:39,343 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2020-09-14 12:37:39,345 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:39,360 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:39,361 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-14 12:37:39,361 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:37 [2020-09-14 12:37:39,421 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:37:39,468 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:39,468 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 62 [2020-09-14 12:37:39,469 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:39,476 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2020-09-14 12:37:39,476 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:39,566 INFO L625 ElimStorePlain]: treesize reduction 24, result has 77.4 percent of original size [2020-09-14 12:37:39,567 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:37:39,569 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-09-14 12:37:39,569 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:76, output treesize:60 [2020-09-14 12:37:39,688 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:37:39,696 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-14 12:37:39,700 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-14 12:37:39,719 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:39,719 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 49 [2020-09-14 12:37:39,720 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:39,744 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:39,744 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 46 [2020-09-14 12:37:39,745 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-09-14 12:37:39,746 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-14 12:37:39,746 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2020-09-14 12:37:39,842 INFO L625 ElimStorePlain]: treesize reduction 53, result has 61.3 percent of original size [2020-09-14 12:37:39,846 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-14 12:37:39,846 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:90, output treesize:48 [2020-09-14 12:37:39,922 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:37:39,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:37:39,945 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-14 12:37:39,946 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:39,952 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2020-09-14 12:37:39,953 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:39,989 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:39,991 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-14 12:37:39,991 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-09-14 12:37:40,120 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2020-09-14 12:37:40,120 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:40,131 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:40,131 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:37:40,132 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:34 [2020-09-14 12:37:40,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:37:40,200 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-14 12:37:40,201 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:40,217 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:40,218 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:37:40,218 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:54, output treesize:34 [2020-09-14 12:37:40,373 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-14 12:37:40,389 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:40,390 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-09-14 12:37:40,391 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:40,449 INFO L625 ElimStorePlain]: treesize reduction 30, result has 64.3 percent of original size [2020-09-14 12:37:40,454 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:37:40,455 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:64, output treesize:40 [2020-09-14 12:37:40,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:37:40,552 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-14 12:37:40,552 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:40,574 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:40,575 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:37:40,576 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:40 [2020-09-14 12:37:40,684 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2020-09-14 12:37:40,684 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:40,700 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:40,701 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:37:40,701 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:34 [2020-09-14 12:37:40,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:37:40,783 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-14 12:37:40,783 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:40,803 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:40,804 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:37:40,804 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:54, output treesize:34 [2020-09-14 12:37:40,988 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-14 12:37:41,006 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:41,007 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-09-14 12:37:41,008 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-14 12:37:41,009 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:41,072 INFO L625 ElimStorePlain]: treesize reduction 35, result has 63.2 percent of original size [2020-09-14 12:37:41,074 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:37:41,074 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:64, output treesize:40 [2020-09-14 12:37:41,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:37:41,181 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-14 12:37:41,182 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:41,204 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:41,205 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:37:41,205 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:40 [2020-09-14 12:37:41,359 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2020-09-14 12:37:41,360 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:41,373 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:41,374 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:37:41,374 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:34 [2020-09-14 12:37:41,470 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:41,470 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 75 [2020-09-14 12:37:41,471 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:37:41,473 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:41,512 INFO L625 ElimStorePlain]: treesize reduction 44, result has 50.6 percent of original size [2020-09-14 12:37:41,516 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:37:41,516 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:49, output treesize:9 [2020-09-14 12:37:41,644 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:41,644 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 57 [2020-09-14 12:37:41,645 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-14 12:37:41,646 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:41,673 INFO L625 ElimStorePlain]: treesize reduction 35, result has 46.2 percent of original size [2020-09-14 12:37:41,674 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:37:41,675 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:34, output treesize:9 [2020-09-14 12:37:41,739 INFO L350 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2020-09-14 12:37:41,739 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 24 [2020-09-14 12:37:41,740 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:37:41,747 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:37:41,748 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:37:41,748 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:9 [2020-09-14 12:37:41,821 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 209 proven. 76 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-09-14 12:37:41,822 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-14 12:37:41,822 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 39] total 50 [2020-09-14 12:37:41,822 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866875087] [2020-09-14 12:37:41,823 INFO L459 AbstractCegarLoop]: Interpolant automaton has 50 states [2020-09-14 12:37:41,823 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 12:37:41,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2020-09-14 12:37:41,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=397, Invalid=2053, Unknown=0, NotChecked=0, Total=2450 [2020-09-14 12:37:41,825 INFO L87 Difference]: Start difference. First operand 980 states and 1803 transitions. Second operand 50 states. [2020-09-14 12:37:47,545 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2020-09-14 12:37:49,142 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 41 [2020-09-14 12:37:50,284 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 37 [2020-09-14 12:37:50,886 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 42 [2020-09-14 12:37:51,237 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2020-09-14 12:37:52,052 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 41 [2020-09-14 12:37:53,325 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 42 [2020-09-14 12:37:54,068 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 35 [2020-09-14 12:37:54,659 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 37 [2020-09-14 12:37:54,948 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2020-09-14 12:37:55,115 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 41 [2020-09-14 12:37:55,823 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 34 [2020-09-14 12:37:56,494 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 41 [2020-09-14 12:37:56,712 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 34 [2020-09-14 12:37:57,277 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 36 [2020-09-14 12:37:57,491 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 29 [2020-09-14 12:37:58,171 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 41 [2020-09-14 12:37:58,385 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 37 [2020-09-14 12:37:58,904 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 42 [2020-09-14 12:37:59,541 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 39 [2020-09-14 12:38:00,304 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 35 [2020-09-14 12:38:00,530 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 37 [2020-09-14 12:38:00,732 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 36 [2020-09-14 12:38:01,110 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 34 [2020-09-14 12:38:01,668 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 43 [2020-09-14 12:38:01,839 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 41 [2020-09-14 12:38:02,239 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 36 [2020-09-14 12:38:02,432 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 29 [2020-09-14 12:38:02,678 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 37 [2020-09-14 12:38:03,327 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 43 [2020-09-14 12:38:03,872 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 42 [2020-09-14 12:38:04,144 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 46 [2020-09-14 12:38:04,749 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 42 [2020-09-14 12:38:05,362 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 36 [2020-09-14 12:38:05,561 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 37 [2020-09-14 12:38:06,062 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 41 [2020-09-14 12:38:06,276 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 35 [2020-09-14 12:38:07,107 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 39 [2020-09-14 12:38:07,350 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 45 [2020-09-14 12:38:08,465 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 43 [2020-09-14 12:38:08,927 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 34 [2020-09-14 12:38:09,476 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 41 [2020-09-14 12:38:09,715 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 46 [2020-09-14 12:38:09,936 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 29 [2020-09-14 12:38:10,193 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 37 [2020-09-14 12:38:10,696 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 36 [2020-09-14 12:38:11,248 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 42 [2020-09-14 12:38:12,110 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 41 [2020-09-14 12:38:12,654 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 42 [2020-09-14 12:38:12,917 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 45 [2020-09-14 12:38:13,148 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 37 [2020-09-14 12:38:13,492 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2020-09-14 12:38:13,745 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-09-14 12:38:13,969 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 36 [2020-09-14 12:38:14,742 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 35 [2020-09-14 12:38:14,979 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 39 [2020-09-14 12:38:15,714 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 34 [2020-09-14 12:38:16,299 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 37 [2020-09-14 12:38:16,500 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 41 [2020-09-14 12:38:17,077 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 43 [2020-09-14 12:38:17,376 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 36 [2020-09-14 12:38:17,931 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 42 [2020-09-14 12:38:18,165 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 29 [2020-09-14 12:38:18,789 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 46 [2020-09-14 12:38:19,377 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-09-14 12:38:19,749 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 42 [2020-09-14 12:38:20,411 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 36 [2020-09-14 12:38:20,581 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-09-14 12:38:20,875 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 41 [2020-09-14 12:38:21,334 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 45 [2020-09-14 12:38:21,575 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 37 [2020-09-14 12:38:21,807 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 35 [2020-09-14 12:38:22,610 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2020-09-14 12:38:23,337 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 39 [2020-09-14 12:38:23,972 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 43 [2020-09-14 12:38:24,433 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 34 [2020-09-14 12:38:24,623 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 41 [2020-09-14 12:38:24,910 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 37 [2020-09-14 12:38:25,097 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 40 [2020-09-14 12:38:25,699 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 46 [2020-09-14 12:38:26,200 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 36 [2020-09-14 12:38:26,463 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 42 [2020-09-14 12:38:26,740 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 29 [2020-09-14 12:38:27,863 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2020-09-14 12:38:28,212 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 42 [2020-09-14 12:38:28,411 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 41 [2020-09-14 12:38:28,674 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 37 [2020-09-14 12:38:29,490 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 45 [2020-09-14 12:38:29,686 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 35 [2020-09-14 12:38:29,870 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2020-09-14 12:38:30,054 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-09-14 12:38:30,300 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 36 [2020-09-14 12:38:30,530 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 35 [2020-09-14 12:38:30,821 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 39 [2020-09-14 12:38:32,188 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 32 [2020-09-14 12:38:32,546 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 35 [2020-09-14 12:38:32,740 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 39 [2020-09-14 12:38:33,067 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 41 [2020-09-14 12:38:33,245 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 38 [2020-09-14 12:38:33,626 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 34 [2020-09-14 12:38:33,897 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 26 [2020-09-14 12:38:34,234 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 40 [2020-09-14 12:38:34,554 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 44 [2020-09-14 12:38:35,387 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 40 [2020-09-14 12:38:35,782 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2020-09-14 12:38:35,984 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 39 [2020-09-14 12:38:36,236 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 35 [2020-09-14 12:38:36,461 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 34 [2020-09-14 12:38:36,653 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-09-14 12:38:36,902 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 33 [2020-09-14 12:38:37,228 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 43 [2020-09-14 12:38:37,466 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 33 [2020-09-14 12:38:37,799 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-09-14 12:38:37,993 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2020-09-14 12:38:38,290 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 37 [2020-09-14 12:38:40,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 12:38:40,260 INFO L93 Difference]: Finished difference Result 4535 states and 8261 transitions. [2020-09-14 12:38:40,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 407 states. [2020-09-14 12:38:40,262 INFO L78 Accepts]: Start accepts. Automaton has 50 states. Word has length 96 [2020-09-14 12:38:40,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 12:38:40,277 INFO L225 Difference]: With dead ends: 4535 [2020-09-14 12:38:40,277 INFO L226 Difference]: Without dead ends: 4535 [2020-09-14 12:38:40,296 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 882 GetRequests, 446 SyntacticMatches, 1 SemanticMatches, 435 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91775 ImplicationChecksByTransitivity, 50.9s TimeCoverageRelationStatistics Valid=22681, Invalid=167851, Unknown=0, NotChecked=0, Total=190532 [2020-09-14 12:38:40,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4535 states. [2020-09-14 12:38:40,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4535 to 2490. [2020-09-14 12:38:40,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2490 states. [2020-09-14 12:38:40,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2490 states to 2490 states and 4478 transitions. [2020-09-14 12:38:40,379 INFO L78 Accepts]: Start accepts. Automaton has 2490 states and 4478 transitions. Word has length 96 [2020-09-14 12:38:40,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 12:38:40,379 INFO L479 AbstractCegarLoop]: Abstraction has 2490 states and 4478 transitions. [2020-09-14 12:38:40,380 INFO L480 AbstractCegarLoop]: Interpolant automaton has 50 states. [2020-09-14 12:38:40,380 INFO L276 IsEmpty]: Start isEmpty. Operand 2490 states and 4478 transitions. [2020-09-14 12:38:40,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-09-14 12:38:40,387 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:38:40,387 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 7, 7, 7, 7, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-14 12:38:40,602 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-14 12:38:40,602 INFO L427 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-14 12:38:40,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:38:40,603 INFO L82 PathProgramCache]: Analyzing trace with hash -517851943, now seen corresponding path program 6 times [2020-09-14 12:38:40,603 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:38:40,603 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49063702] [2020-09-14 12:38:40,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:38:40,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:38:41,001 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 0 proven. 361 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:38:41,002 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49063702] [2020-09-14 12:38:41,002 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [316488463] [2020-09-14 12:38:41,002 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-14 12:38:44,702 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2020-09-14 12:38:44,702 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-14 12:38:44,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 52 conjunts are in the unsatisfiable core [2020-09-14 12:38:44,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-14 12:38:44,749 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:38:44,750 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 947 treesize of output 889 [2020-09-14 12:38:44,752 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 6, 1] term [2020-09-14 12:38:44,752 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:38:44,756 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 6, 2, 5, 2, 4, 2, 3, 2, 4, 2, 4, 2, 4, 2, 3, 1] term [2020-09-14 12:38:44,756 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:38:44,758 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 6, 2, 5, 2, 3, 2, 4, 1] term [2020-09-14 12:38:44,758 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:38:44,759 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 6, 2, 5, 2, 4, 1] term [2020-09-14 12:38:44,760 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:38:44,764 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 6, 2, 5, 1] term [2020-09-14 12:38:44,764 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:38:44,765 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 6, 2, 5, 1] term [2020-09-14 12:38:44,765 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:38:44,766 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 6, 2, 5, 1] term [2020-09-14 12:38:44,766 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:38:44,769 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 6, 2, 5, 1] term [2020-09-14 12:38:44,769 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:38:44,770 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 6, 2, 5, 2, 4, 1] term [2020-09-14 12:38:44,770 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:38:44,771 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 6, 2, 5, 2, 2, 2, 3, 2, 4, 2, 4, 2, 3, 1] term [2020-09-14 12:38:44,771 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:38:44,775 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 6, 2, 5, 2, 3, 2, 4, 2, 4, 2, 3, 1] term [2020-09-14 12:38:44,776 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:38:44,776 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 6, 2, 5, 2, 4, 2, 4, 2, 3, 1] term [2020-09-14 12:38:44,777 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:38:44,777 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 6, 2, 5, 2, 4, 2, 3, 1] term [2020-09-14 12:38:44,778 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:38:44,780 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 6, 2, 5, 2, 3, 1] term [2020-09-14 12:38:44,780 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:38:44,783 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 6, 2, 5, 1] term [2020-09-14 12:38:44,783 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:38:44,784 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 6, 2, 5, 1] term [2020-09-14 12:38:44,784 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:38:44,786 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-09-14 12:38:45,126 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 40 [2020-09-14 12:38:45,127 INFO L625 ElimStorePlain]: treesize reduction 3814, result has 1.3 percent of original size [2020-09-14 12:38:45,135 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 11 treesize of output 7 [2020-09-14 12:38:45,135 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-14 12:38:45,169 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:38:45,172 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:38:45,172 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:58, output treesize:28 [2020-09-14 12:38:45,211 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 7 treesize of output 3 [2020-09-14 12:38:45,213 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:38:45,228 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:38:45,232 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:38:45,232 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:28, output treesize:13 [2020-09-14 12:38:45,301 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-09-14 12:38:45,302 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:38:45,315 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:38:45,316 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:38:45,316 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:22 [2020-09-14 12:38:45,362 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-14 12:38:45,363 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:38:45,381 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:38:45,382 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:38:45,382 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:37, output treesize:22 [2020-09-14 12:38:45,455 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-14 12:38:45,481 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:38:45,481 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-09-14 12:38:45,482 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:38:45,550 INFO L625 ElimStorePlain]: treesize reduction 30, result has 58.3 percent of original size [2020-09-14 12:38:45,552 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:38:45,552 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:52, output treesize:28 [2020-09-14 12:38:45,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:38:45,613 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-14 12:38:45,613 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:38:45,639 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:38:45,640 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:38:45,640 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:43, output treesize:28 [2020-09-14 12:38:45,723 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2020-09-14 12:38:45,724 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:38:45,743 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:38:45,744 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:38:45,744 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:46, output treesize:22 [2020-09-14 12:38:45,808 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 21 treesize of output 20 [2020-09-14 12:38:45,809 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:38:45,827 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:38:45,828 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-09-14 12:38:45,829 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:33, output treesize:29 [2020-09-14 12:38:45,911 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 34 [2020-09-14 12:38:45,912 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:38:45,931 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:38:45,933 INFO L545 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-09-14 12:38:45,934 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:44, output treesize:21 [2020-09-14 12:38:46,082 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:38:46,083 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 67 [2020-09-14 12:38:46,084 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-14 12:38:46,085 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:38:46,138 INFO L625 ElimStorePlain]: treesize reduction 35, result has 53.9 percent of original size [2020-09-14 12:38:46,141 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-09-14 12:38:46,141 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:45, output treesize:21 [2020-09-14 12:38:46,240 INFO L350 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2020-09-14 12:38:46,241 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2020-09-14 12:38:46,242 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:38:46,259 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:38:46,261 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-09-14 12:38:46,262 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:36, output treesize:21 [2020-09-14 12:38:46,299 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 196 proven. 16 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2020-09-14 12:38:46,300 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-14 12:38:46,300 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13] total 26 [2020-09-14 12:38:46,300 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104137734] [2020-09-14 12:38:46,301 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-09-14 12:38:46,301 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 12:38:46,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-09-14 12:38:46,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=514, Unknown=0, NotChecked=0, Total=650 [2020-09-14 12:38:46,302 INFO L87 Difference]: Start difference. First operand 2490 states and 4478 transitions. Second operand 26 states. [2020-09-14 12:39:00,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 12:39:00,561 INFO L93 Difference]: Finished difference Result 4529 states and 8061 transitions. [2020-09-14 12:39:00,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2020-09-14 12:39:00,562 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 104 [2020-09-14 12:39:00,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 12:39:00,577 INFO L225 Difference]: With dead ends: 4529 [2020-09-14 12:39:00,577 INFO L226 Difference]: Without dead ends: 4529 [2020-09-14 12:39:00,579 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 145 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8943 ImplicationChecksByTransitivity, 10.7s TimeCoverageRelationStatistics Valid=4562, Invalid=16900, Unknown=0, NotChecked=0, Total=21462 [2020-09-14 12:39:00,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4529 states. [2020-09-14 12:39:00,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4529 to 2806. [2020-09-14 12:39:00,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2806 states. [2020-09-14 12:39:00,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2806 states to 2806 states and 5040 transitions. [2020-09-14 12:39:00,647 INFO L78 Accepts]: Start accepts. Automaton has 2806 states and 5040 transitions. Word has length 104 [2020-09-14 12:39:00,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 12:39:00,647 INFO L479 AbstractCegarLoop]: Abstraction has 2806 states and 5040 transitions. [2020-09-14 12:39:00,647 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-09-14 12:39:00,647 INFO L276 IsEmpty]: Start isEmpty. Operand 2806 states and 5040 transitions. [2020-09-14 12:39:00,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-09-14 12:39:00,654 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:39:00,655 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 8, 8, 8, 8, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-14 12:39:00,868 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-09-14 12:39:00,869 INFO L427 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-14 12:39:00,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:39:00,869 INFO L82 PathProgramCache]: Analyzing trace with hash 1299600921, now seen corresponding path program 7 times [2020-09-14 12:39:00,870 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:39:00,870 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827434375] [2020-09-14 12:39:00,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:39:00,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:39:01,334 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 0 proven. 438 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:39:01,335 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827434375] [2020-09-14 12:39:01,335 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [596645279] [2020-09-14 12:39:01,336 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-14 12:39:01,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:39:01,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 584 conjuncts, 14 conjunts are in the unsatisfiable core [2020-09-14 12:39:01,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-14 12:39:01,627 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 0 proven. 438 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:39:01,628 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-14 12:39:01,628 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 16 [2020-09-14 12:39:01,628 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294567560] [2020-09-14 12:39:01,629 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-14 12:39:01,629 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 12:39:01,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-14 12:39:01,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2020-09-14 12:39:01,630 INFO L87 Difference]: Start difference. First operand 2806 states and 5040 transitions. Second operand 16 states. [2020-09-14 12:39:01,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 12:39:01,873 INFO L93 Difference]: Finished difference Result 3399 states and 6096 transitions. [2020-09-14 12:39:01,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-14 12:39:01,875 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 112 [2020-09-14 12:39:01,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 12:39:01,896 INFO L225 Difference]: With dead ends: 3399 [2020-09-14 12:39:01,897 INFO L226 Difference]: Without dead ends: 3399 [2020-09-14 12:39:01,897 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2020-09-14 12:39:01,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3399 states. [2020-09-14 12:39:01,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3399 to 3122. [2020-09-14 12:39:01,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3122 states. [2020-09-14 12:39:01,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3122 states to 3122 states and 5602 transitions. [2020-09-14 12:39:01,985 INFO L78 Accepts]: Start accepts. Automaton has 3122 states and 5602 transitions. Word has length 112 [2020-09-14 12:39:01,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 12:39:01,986 INFO L479 AbstractCegarLoop]: Abstraction has 3122 states and 5602 transitions. [2020-09-14 12:39:01,986 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-14 12:39:01,986 INFO L276 IsEmpty]: Start isEmpty. Operand 3122 states and 5602 transitions. [2020-09-14 12:39:01,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-09-14 12:39:01,999 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:39:01,999 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 9, 9, 9, 9, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-14 12:39:02,214 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2020-09-14 12:39:02,214 INFO L427 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-14 12:39:02,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:39:02,215 INFO L82 PathProgramCache]: Analyzing trace with hash 501814687, now seen corresponding path program 8 times [2020-09-14 12:39:02,215 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:39:02,215 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794150787] [2020-09-14 12:39:02,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:39:02,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:39:02,779 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 0 proven. 523 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:39:02,779 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794150787] [2020-09-14 12:39:02,780 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1249928224] [2020-09-14 12:39:02,780 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-14 12:39:03,012 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-09-14 12:39:03,013 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-14 12:39:03,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 15 conjunts are in the unsatisfiable core [2020-09-14 12:39:03,019 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-14 12:39:03,052 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 0 proven. 523 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:39:03,052 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-14 12:39:03,053 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 17 [2020-09-14 12:39:03,053 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096985319] [2020-09-14 12:39:03,053 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-14 12:39:03,054 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 12:39:03,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-14 12:39:03,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2020-09-14 12:39:03,054 INFO L87 Difference]: Start difference. First operand 3122 states and 5602 transitions. Second operand 17 states. [2020-09-14 12:39:03,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 12:39:03,310 INFO L93 Difference]: Finished difference Result 3715 states and 6658 transitions. [2020-09-14 12:39:03,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-14 12:39:03,313 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 120 [2020-09-14 12:39:03,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 12:39:03,329 INFO L225 Difference]: With dead ends: 3715 [2020-09-14 12:39:03,329 INFO L226 Difference]: Without dead ends: 3715 [2020-09-14 12:39:03,329 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2020-09-14 12:39:03,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3715 states. [2020-09-14 12:39:03,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3715 to 3438. [2020-09-14 12:39:03,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3438 states. [2020-09-14 12:39:03,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3438 states to 3438 states and 6164 transitions. [2020-09-14 12:39:03,395 INFO L78 Accepts]: Start accepts. Automaton has 3438 states and 6164 transitions. Word has length 120 [2020-09-14 12:39:03,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 12:39:03,395 INFO L479 AbstractCegarLoop]: Abstraction has 3438 states and 6164 transitions. [2020-09-14 12:39:03,396 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-14 12:39:03,396 INFO L276 IsEmpty]: Start isEmpty. Operand 3438 states and 6164 transitions. [2020-09-14 12:39:03,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-09-14 12:39:03,404 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:39:03,404 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 10, 10, 10, 10, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-14 12:39:03,619 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2020-09-14 12:39:03,620 INFO L427 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-14 12:39:03,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:39:03,620 INFO L82 PathProgramCache]: Analyzing trace with hash -1527895713, now seen corresponding path program 9 times [2020-09-14 12:39:03,620 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:39:03,620 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803035586] [2020-09-14 12:39:03,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:39:03,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:39:04,226 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 0 proven. 616 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:39:04,227 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803035586] [2020-09-14 12:39:04,227 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [271201588] [2020-09-14 12:39:04,227 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-14 12:39:15,029 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2020-09-14 12:39:15,029 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-14 12:39:15,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 138 conjunts are in the unsatisfiable core [2020-09-14 12:39:15,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-14 12:39:15,118 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 45 [2020-09-14 12:39:15,120 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-09-14 12:39:15,183 INFO L625 ElimStorePlain]: treesize reduction 26, result has 51.9 percent of original size [2020-09-14 12:39:15,191 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 11 treesize of output 7 [2020-09-14 12:39:15,192 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-14 12:39:15,209 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:39:15,212 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:39:15,213 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:32, output treesize:16 [2020-09-14 12:39:15,259 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 7 treesize of output 3 [2020-09-14 12:39:15,261 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:39:15,269 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:39:15,270 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:39:15,271 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:16, output treesize:4 [2020-09-14 12:39:15,340 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-09-14 12:39:15,341 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:39:15,349 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:39:15,350 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:39:15,350 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2020-09-14 12:39:15,396 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-14 12:39:15,397 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:39:15,408 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:39:15,409 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:39:15,410 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:14 [2020-09-14 12:39:15,471 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-14 12:39:15,497 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:39:15,498 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-09-14 12:39:15,498 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:39:15,551 INFO L625 ElimStorePlain]: treesize reduction 30, result has 53.1 percent of original size [2020-09-14 12:39:15,553 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:39:15,554 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:44, output treesize:20 [2020-09-14 12:39:15,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:39:15,613 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-14 12:39:15,614 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:39:15,631 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:39:15,632 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:39:15,633 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:35, output treesize:20 [2020-09-14 12:39:15,734 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2020-09-14 12:39:15,735 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:39:15,744 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:39:15,744 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:39:15,745 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:14 [2020-09-14 12:39:15,790 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-14 12:39:15,790 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:39:15,803 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:39:15,805 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:39:15,805 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:14 [2020-09-14 12:39:15,871 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-14 12:39:15,896 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:39:15,896 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 49 [2020-09-14 12:39:15,897 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:39:15,943 INFO L625 ElimStorePlain]: treesize reduction 26, result has 52.7 percent of original size [2020-09-14 12:39:15,944 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:39:15,944 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:41, output treesize:20 [2020-09-14 12:39:16,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:39:16,012 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-14 12:39:16,013 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:39:16,032 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:39:16,033 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:39:16,034 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:35, output treesize:20 [2020-09-14 12:39:16,138 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2020-09-14 12:39:16,138 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:39:16,148 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:39:16,148 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:39:16,148 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:16 [2020-09-14 12:39:16,197 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-14 12:39:16,198 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:39:16,210 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:39:16,211 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:39:16,211 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:14 [2020-09-14 12:39:16,315 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-14 12:39:16,340 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:39:16,341 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 49 [2020-09-14 12:39:16,342 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:39:16,399 INFO L625 ElimStorePlain]: treesize reduction 26, result has 52.7 percent of original size [2020-09-14 12:39:16,405 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:39:16,405 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:41, output treesize:20 [2020-09-14 12:39:16,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:39:16,464 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-14 12:39:16,465 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:39:16,484 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:39:16,485 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:39:16,486 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:35, output treesize:20 [2020-09-14 12:39:16,615 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2020-09-14 12:39:16,616 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:39:16,624 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:39:16,624 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:39:16,624 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:16 [2020-09-14 12:39:16,679 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-14 12:39:16,680 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:39:16,697 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:39:16,704 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:39:16,704 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:14 [2020-09-14 12:39:16,797 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-14 12:39:16,824 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:39:16,825 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 49 [2020-09-14 12:39:16,825 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:39:16,868 INFO L625 ElimStorePlain]: treesize reduction 26, result has 52.7 percent of original size [2020-09-14 12:39:16,870 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:39:16,870 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:41, output treesize:20 [2020-09-14 12:39:16,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:39:16,939 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-14 12:39:16,940 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:39:16,958 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:39:16,960 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:39:16,960 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:35, output treesize:20 [2020-09-14 12:39:17,097 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2020-09-14 12:39:17,098 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:39:17,107 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:39:17,107 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:39:17,107 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:14 [2020-09-14 12:39:17,184 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 25 treesize of output 24 [2020-09-14 12:39:17,185 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:39:17,201 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:39:17,204 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:39:17,204 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:29, output treesize:9 [2020-09-14 12:39:17,324 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-14 12:39:17,353 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:39:17,353 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 49 [2020-09-14 12:39:17,354 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:39:17,397 INFO L625 ElimStorePlain]: treesize reduction 26, result has 49.0 percent of original size [2020-09-14 12:39:17,399 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:39:17,400 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:37, output treesize:16 [2020-09-14 12:39:17,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:39:17,467 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-14 12:39:17,468 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:39:17,483 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:39:17,485 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:39:17,485 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:31, output treesize:16 [2020-09-14 12:39:17,490 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2020-09-14 12:39:17,492 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:39:17,494 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:39:17,494 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:39:17,495 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:1 [2020-09-14 12:39:17,529 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 308 proven. 113 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2020-09-14 12:39:17,529 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-14 12:39:17,530 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 24] total 40 [2020-09-14 12:39:17,530 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079383035] [2020-09-14 12:39:17,530 INFO L459 AbstractCegarLoop]: Interpolant automaton has 40 states [2020-09-14 12:39:17,531 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 12:39:17,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2020-09-14 12:39:17,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=237, Invalid=1323, Unknown=0, NotChecked=0, Total=1560 [2020-09-14 12:39:17,532 INFO L87 Difference]: Start difference. First operand 3438 states and 6164 transitions. Second operand 40 states. [2020-09-14 12:39:35,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 12:39:35,342 INFO L93 Difference]: Finished difference Result 4130 states and 7363 transitions. [2020-09-14 12:39:35,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 210 states. [2020-09-14 12:39:35,344 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 128 [2020-09-14 12:39:35,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 12:39:35,353 INFO L225 Difference]: With dead ends: 4130 [2020-09-14 12:39:35,353 INFO L226 Difference]: Without dead ends: 4130 [2020-09-14 12:39:35,357 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 101 SyntacticMatches, 5 SemanticMatches, 231 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22616 ImplicationChecksByTransitivity, 12.2s TimeCoverageRelationStatistics Valid=5915, Invalid=48141, Unknown=0, NotChecked=0, Total=54056 [2020-09-14 12:39:35,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4130 states. [2020-09-14 12:39:35,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4130 to 2553. [2020-09-14 12:39:35,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2553 states. [2020-09-14 12:39:35,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2553 states to 2553 states and 4573 transitions. [2020-09-14 12:39:35,424 INFO L78 Accepts]: Start accepts. Automaton has 2553 states and 4573 transitions. Word has length 128 [2020-09-14 12:39:35,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 12:39:35,424 INFO L479 AbstractCegarLoop]: Abstraction has 2553 states and 4573 transitions. [2020-09-14 12:39:35,424 INFO L480 AbstractCegarLoop]: Interpolant automaton has 40 states. [2020-09-14 12:39:35,424 INFO L276 IsEmpty]: Start isEmpty. Operand 2553 states and 4573 transitions. [2020-09-14 12:39:35,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-09-14 12:39:35,431 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:39:35,432 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 12, 12, 12, 12, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-14 12:39:35,647 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-14 12:39:35,648 INFO L427 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-14 12:39:35,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:39:35,648 INFO L82 PathProgramCache]: Analyzing trace with hash -195679467, now seen corresponding path program 10 times [2020-09-14 12:39:35,648 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:39:35,649 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379635031] [2020-09-14 12:39:35,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:39:35,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:39:36,298 INFO L134 CoverageAnalysis]: Checked inductivity of 744 backedges. 0 proven. 744 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:39:36,299 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379635031] [2020-09-14 12:39:36,299 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1064147016] [2020-09-14 12:39:36,299 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-14 12:41:10,498 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-09-14 12:41:10,498 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-14 12:41:13,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 695 conjuncts, 17 conjunts are in the unsatisfiable core [2020-09-14 12:41:13,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-14 12:41:13,434 INFO L134 CoverageAnalysis]: Checked inductivity of 744 backedges. 0 proven. 744 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:41:13,435 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-14 12:41:13,435 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 19 [2020-09-14 12:41:13,435 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192512279] [2020-09-14 12:41:13,435 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-14 12:41:13,435 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 12:41:13,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-14 12:41:13,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=171, Unknown=0, NotChecked=0, Total=342 [2020-09-14 12:41:13,436 INFO L87 Difference]: Start difference. First operand 2553 states and 4573 transitions. Second operand 19 states. [2020-09-14 12:41:13,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 12:41:13,672 INFO L93 Difference]: Finished difference Result 2905 states and 5197 transitions. [2020-09-14 12:41:13,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-14 12:41:13,673 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 137 [2020-09-14 12:41:13,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 12:41:13,680 INFO L225 Difference]: With dead ends: 2905 [2020-09-14 12:41:13,680 INFO L226 Difference]: Without dead ends: 2905 [2020-09-14 12:41:13,680 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=171, Invalid=171, Unknown=0, NotChecked=0, Total=342 [2020-09-14 12:41:13,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2905 states. [2020-09-14 12:41:13,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2905 to 2741. [2020-09-14 12:41:13,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2741 states. [2020-09-14 12:41:13,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2741 states to 2741 states and 4906 transitions. [2020-09-14 12:41:13,723 INFO L78 Accepts]: Start accepts. Automaton has 2741 states and 4906 transitions. Word has length 137 [2020-09-14 12:41:13,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 12:41:13,723 INFO L479 AbstractCegarLoop]: Abstraction has 2741 states and 4906 transitions. [2020-09-14 12:41:13,723 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-09-14 12:41:13,724 INFO L276 IsEmpty]: Start isEmpty. Operand 2741 states and 4906 transitions. [2020-09-14 12:41:13,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-09-14 12:41:13,729 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:41:13,729 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 12, 12, 12, 12, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-14 12:41:13,943 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-14 12:41:13,943 INFO L427 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-14 12:41:13,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:41:13,943 INFO L82 PathProgramCache]: Analyzing trace with hash 2114616359, now seen corresponding path program 11 times [2020-09-14 12:41:13,944 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:41:13,944 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494363201] [2020-09-14 12:41:13,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:41:14,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:41:14,666 INFO L134 CoverageAnalysis]: Checked inductivity of 826 backedges. 0 proven. 826 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:41:14,667 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494363201] [2020-09-14 12:41:14,667 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1341614720] [2020-09-14 12:41:14,667 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-14 12:41:27,195 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2020-09-14 12:41:27,196 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-09-14 12:41:27,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 145 conjunts are in the unsatisfiable core [2020-09-14 12:41:27,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-14 12:41:27,289 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2020-09-14 12:41:27,290 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:41:27,301 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:41:27,302 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:41:27,302 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:7 [2020-09-14 12:41:27,348 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2020-09-14 12:41:27,349 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:41:27,359 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:41:27,359 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:41:27,360 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:9 [2020-09-14 12:41:27,427 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:41:27,427 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 62 [2020-09-14 12:41:27,428 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:41:27,504 INFO L625 ElimStorePlain]: treesize reduction 24, result has 62.5 percent of original size [2020-09-14 12:41:27,505 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:41:27,509 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-14 12:41:27,509 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:35 [2020-09-14 12:41:27,658 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:41:27,671 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-14 12:41:27,675 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-14 12:41:27,714 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:41:27,714 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-09-14 12:41:27,715 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:41:27,759 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:41:27,760 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 54 [2020-09-14 12:41:27,761 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:41:27,764 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-14 12:41:27,937 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2020-09-14 12:41:27,938 INFO L625 ElimStorePlain]: treesize reduction 50, result has 64.8 percent of original size [2020-09-14 12:41:27,947 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-14 12:41:27,947 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:96, output treesize:48 [2020-09-14 12:41:28,054 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:41:28,076 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2020-09-14 12:41:28,076 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:41:28,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:41:28,091 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-14 12:41:28,092 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-14 12:41:28,153 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:41:28,155 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-14 12:41:28,156 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-09-14 12:41:28,277 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 1] term [2020-09-14 12:41:28,277 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:41:28,287 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2020-09-14 12:41:28,288 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:41:28,328 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:41:28,336 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2020-09-14 12:41:28,337 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-14 12:41:28,374 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:41:28,376 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-14 12:41:28,376 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:84, output treesize:35 [2020-09-14 12:41:28,447 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:41:28,466 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2020-09-14 12:41:28,466 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:41:28,527 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:41:28,527 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 62 [2020-09-14 12:41:28,528 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:41:28,531 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-14 12:41:28,678 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2020-09-14 12:41:28,679 INFO L625 ElimStorePlain]: treesize reduction 24, result has 77.4 percent of original size [2020-09-14 12:41:28,680 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:41:28,683 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-09-14 12:41:28,683 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:76, output treesize:60 [2020-09-14 12:41:28,828 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:41:28,879 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:41:28,879 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 54 [2020-09-14 12:41:28,880 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:41:28,881 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:41:28,889 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-14 12:41:28,924 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:41:28,925 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-09-14 12:41:28,925 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-14 12:41:28,926 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-14 12:41:29,091 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 48 [2020-09-14 12:41:29,092 INFO L625 ElimStorePlain]: treesize reduction 55, result has 64.1 percent of original size [2020-09-14 12:41:29,096 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-14 12:41:29,097 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:96, output treesize:48 [2020-09-14 12:41:29,201 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:41:29,214 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-09-14 12:41:29,214 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:41:29,272 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:41:29,273 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 50 [2020-09-14 12:41:29,274 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:41:29,275 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-14 12:41:29,404 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2020-09-14 12:41:29,405 INFO L625 ElimStorePlain]: treesize reduction 30, result has 67.4 percent of original size [2020-09-14 12:41:29,406 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2020-09-14 12:41:29,406 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:70, output treesize:62 [2020-09-14 12:41:29,548 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-09-14 12:41:29,605 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:41:29,605 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 52 [2020-09-14 12:41:29,606 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:41:29,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:41:29,679 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:41:29,679 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 78 [2020-09-14 12:41:29,680 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-09-14 12:41:29,921 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 59 [2020-09-14 12:41:29,922 INFO L625 ElimStorePlain]: treesize reduction 60, result has 63.4 percent of original size [2020-09-14 12:41:29,928 INFO L545 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-09-14 12:41:29,928 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:92, output treesize:48 [2020-09-14 12:41:30,095 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2020-09-14 12:41:30,096 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:41:30,115 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:41:30,115 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:41:30,116 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:34 [2020-09-14 12:41:30,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:41:30,207 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-14 12:41:30,208 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:41:30,237 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:41:30,238 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:41:30,238 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:54, output treesize:34 [2020-09-14 12:41:30,430 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-14 12:41:30,453 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:41:30,454 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-09-14 12:41:30,455 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:41:30,526 INFO L625 ElimStorePlain]: treesize reduction 30, result has 64.3 percent of original size [2020-09-14 12:41:30,527 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:41:30,528 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:64, output treesize:40 [2020-09-14 12:41:30,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:41:30,627 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-14 12:41:30,627 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:41:30,656 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:41:30,658 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:41:30,658 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:40 [2020-09-14 12:41:30,786 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2020-09-14 12:41:30,786 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:41:30,813 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:41:30,814 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:41:30,814 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:34 [2020-09-14 12:41:30,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:41:30,924 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-14 12:41:30,925 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:41:30,963 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:41:30,964 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:41:30,965 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:54, output treesize:34 [2020-09-14 12:41:31,255 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-14 12:41:31,297 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:41:31,298 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-09-14 12:41:31,299 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-14 12:41:31,300 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:41:31,421 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 40 [2020-09-14 12:41:31,424 INFO L625 ElimStorePlain]: treesize reduction 35, result has 63.2 percent of original size [2020-09-14 12:41:31,426 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:41:31,427 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:64, output treesize:40 [2020-09-14 12:41:31,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:41:31,568 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-14 12:41:31,569 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:41:31,605 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:41:31,607 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:41:31,607 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:40 [2020-09-14 12:41:31,760 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2020-09-14 12:41:31,760 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:41:31,785 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:41:31,785 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:41:31,786 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:34 [2020-09-14 12:41:31,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:41:31,907 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-14 12:41:31,908 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:41:31,951 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:41:31,953 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:41:31,953 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:54, output treesize:34 [2020-09-14 12:41:32,275 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-14 12:41:32,317 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:41:32,318 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-09-14 12:41:32,319 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-14 12:41:32,322 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:41:32,431 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 39 [2020-09-14 12:41:32,432 INFO L625 ElimStorePlain]: treesize reduction 35, result has 63.2 percent of original size [2020-09-14 12:41:32,435 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:41:32,435 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:64, output treesize:40 [2020-09-14 12:41:32,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:41:32,557 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-14 12:41:32,557 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:41:32,594 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:41:32,596 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:41:32,596 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:40 [2020-09-14 12:41:32,755 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2020-09-14 12:41:32,756 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:41:32,778 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:41:32,779 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:41:32,780 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:34 [2020-09-14 12:41:32,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:41:32,942 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-14 12:41:32,942 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:41:32,972 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:41:32,973 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:41:32,973 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:54, output treesize:34 [2020-09-14 12:41:33,246 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-14 12:41:33,276 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:41:33,276 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-09-14 12:41:33,277 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-14 12:41:33,278 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:41:33,375 INFO L625 ElimStorePlain]: treesize reduction 35, result has 63.2 percent of original size [2020-09-14 12:41:33,377 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:41:33,377 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:64, output treesize:40 [2020-09-14 12:41:33,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:41:33,526 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-14 12:41:33,526 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:41:33,578 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:41:33,580 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:41:33,580 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:40 [2020-09-14 12:41:33,743 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2020-09-14 12:41:33,744 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:41:33,768 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:41:33,769 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:41:33,770 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:34 [2020-09-14 12:41:33,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:41:33,900 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-14 12:41:33,900 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:41:33,930 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:41:33,931 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:41:33,931 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:54, output treesize:34 [2020-09-14 12:41:34,183 INFO L173 IndexEqualityManager]: detected equality via solver [2020-09-14 12:41:34,213 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:41:34,213 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-09-14 12:41:34,214 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-14 12:41:34,215 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:41:34,304 INFO L625 ElimStorePlain]: treesize reduction 35, result has 63.2 percent of original size [2020-09-14 12:41:34,306 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:41:34,306 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:64, output treesize:40 [2020-09-14 12:41:34,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:41:34,457 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-09-14 12:41:34,458 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:41:34,490 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:41:34,492 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:41:34,492 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:40 [2020-09-14 12:41:34,648 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2020-09-14 12:41:34,649 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:41:34,672 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:41:34,672 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:41:34,673 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:34 [2020-09-14 12:41:34,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-09-14 12:41:34,809 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 32 [2020-09-14 12:41:34,809 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:41:34,827 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:41:34,835 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:41:34,835 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:40, output treesize:9 [2020-09-14 12:41:35,044 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:41:35,044 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 57 [2020-09-14 12:41:35,045 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-09-14 12:41:35,046 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:41:35,095 INFO L625 ElimStorePlain]: treesize reduction 35, result has 46.2 percent of original size [2020-09-14 12:41:35,097 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:41:35,098 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:34, output treesize:9 [2020-09-14 12:41:35,233 INFO L350 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2020-09-14 12:41:35,233 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 24 [2020-09-14 12:41:35,234 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-09-14 12:41:35,248 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-09-14 12:41:35,249 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-09-14 12:41:35,250 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:9 [2020-09-14 12:41:35,437 INFO L134 CoverageAnalysis]: Checked inductivity of 826 backedges. 584 proven. 128 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2020-09-14 12:41:35,438 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-14 12:41:35,438 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 43] total 60 [2020-09-14 12:41:35,438 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097361710] [2020-09-14 12:41:35,439 INFO L459 AbstractCegarLoop]: Interpolant automaton has 60 states [2020-09-14 12:41:35,440 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-14 12:41:35,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2020-09-14 12:41:35,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=519, Invalid=3021, Unknown=0, NotChecked=0, Total=3540 [2020-09-14 12:41:35,442 INFO L87 Difference]: Start difference. First operand 2741 states and 4906 transitions. Second operand 60 states. [2020-09-14 12:41:38,207 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 42 [2020-09-14 12:41:38,696 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 47 [2020-09-14 12:41:39,548 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2020-09-14 12:41:42,007 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 41 [2020-09-14 12:41:42,282 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2020-09-14 12:41:42,525 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 46 [2020-09-14 12:41:42,973 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 40 [2020-09-14 12:41:43,367 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 33 [2020-09-14 12:41:43,905 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 46 [2020-09-14 12:41:45,075 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 41 [2020-09-14 12:41:45,422 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2020-09-14 12:41:45,648 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 46 [2020-09-14 12:41:46,313 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 40 [2020-09-14 12:41:47,786 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-09-14 12:41:47,998 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 33 [2020-09-14 12:41:48,314 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 46 [2020-09-14 12:41:52,564 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 42 [2020-09-14 12:41:56,154 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2020-09-14 12:41:56,417 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2020-09-14 12:42:00,440 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 41 [2020-09-14 12:42:00,841 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-09-14 12:42:02,311 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2020-09-14 12:42:02,488 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 34 [2020-09-14 12:42:02,752 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2020-09-14 12:42:09,483 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 42 [2020-09-14 12:42:13,187 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2020-09-14 12:42:13,489 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2020-09-14 12:42:18,151 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 41 [2020-09-14 12:42:18,588 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 38 [2020-09-14 12:42:18,826 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 38 [2020-09-14 12:42:20,778 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 39 [2020-09-14 12:42:21,010 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 34 [2020-09-14 12:42:21,290 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2020-09-14 12:42:28,772 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 42 [2020-09-14 12:42:33,058 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2020-09-14 12:42:33,319 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2020-09-14 12:42:38,718 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 41 [2020-09-14 12:42:38,992 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2020-09-14 12:42:39,373 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-09-14 12:42:39,613 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-09-14 12:42:41,445 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2020-09-14 12:42:41,664 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 34 [2020-09-14 12:42:41,943 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2020-09-14 12:42:42,778 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 42 [2020-09-14 12:42:47,736 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2020-09-14 12:42:52,874 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2020-09-14 12:42:57,837 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2020-09-14 12:42:58,772 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 41 [2020-09-14 12:42:59,063 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2020-09-14 12:42:59,763 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2020-09-14 12:43:00,044 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-09-14 12:43:00,345 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-09-14 12:43:02,645 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2020-09-14 12:43:02,891 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 34 [2020-09-14 12:43:03,301 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 34 [2020-09-14 12:43:04,203 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 42 [2020-09-14 12:43:09,001 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 35 [2020-09-14 12:43:09,334 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2020-09-14 12:43:09,631 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2020-09-14 12:43:18,933 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 41 [2020-09-14 12:43:19,388 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2020-09-14 12:43:19,625 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 34 [2020-09-14 12:43:20,198 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2020-09-14 12:43:21,824 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2020-09-14 12:43:22,123 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-09-14 12:43:22,436 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-09-14 12:43:24,739 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2020-09-14 12:43:25,493 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2020-09-14 12:43:25,854 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 42 [2020-09-14 12:43:26,093 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 34 [2020-09-14 12:43:31,014 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2020-09-14 12:43:31,352 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2020-09-14 12:43:31,567 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 35 [2020-09-14 12:43:41,180 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 41 [2020-09-14 12:43:41,455 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 18 [2020-09-14 12:43:41,709 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 34 [2020-09-14 12:43:44,046 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2020-09-14 12:43:44,376 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2020-09-14 12:43:44,612 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2020-09-14 12:43:47,932 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2020-09-14 12:43:48,289 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2020-09-14 12:43:48,600 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-09-14 12:43:48,841 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-09-14 12:43:51,719 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2020-09-14 12:43:52,021 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 42 [2020-09-14 12:43:52,260 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 34 [2020-09-14 12:43:59,109 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2020-09-14 12:43:59,455 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2020-09-14 12:44:05,120 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 41 [2020-09-14 12:44:05,449 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 18 [2020-09-14 12:44:07,808 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2020-09-14 12:44:08,099 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 34 [2020-09-14 12:44:08,446 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-09-14 12:44:08,843 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2020-09-14 12:44:09,100 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2020-09-14 12:44:14,739 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2020-09-14 12:44:15,076 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-09-14 12:44:18,151 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2020-09-14 12:44:18,550 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 42 [2020-09-14 12:44:18,834 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 34 [2020-09-14 12:44:21,646 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2020-09-14 12:44:22,016 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2020-09-14 12:44:22,266 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 35 [2020-09-14 12:44:28,036 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 41 [2020-09-14 12:44:28,346 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 18 [2020-09-14 12:44:28,726 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-09-14 12:44:31,058 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2020-09-14 12:44:31,424 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-09-14 12:44:31,746 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 34 [2020-09-14 12:44:32,209 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2020-09-14 12:44:32,502 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2020-09-14 12:44:38,404 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2020-09-14 12:44:41,743 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2020-09-14 12:44:42,217 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 42 [2020-09-14 12:44:42,518 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 34 [2020-09-14 12:44:45,214 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2020-09-14 12:44:45,564 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2020-09-14 12:44:45,784 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 35 [2020-09-14 12:44:51,286 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 18 [2020-09-14 12:44:51,820 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 41 [2020-09-14 12:44:52,190 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-09-14 12:44:52,622 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-09-14 12:44:52,993 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2020-09-14 12:44:55,628 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2020-09-14 12:44:55,938 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 34 [2020-09-14 12:44:56,414 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2020-09-14 12:44:56,707 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2020-09-14 12:45:00,315 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 42 [2020-09-14 12:45:03,735 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2020-09-14 12:45:06,376 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2020-09-14 12:45:06,658 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 34 [2020-09-14 12:45:09,271 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2020-09-14 12:45:09,524 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 35 [2020-09-14 12:45:15,099 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2020-09-14 12:45:15,453 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 18 [2020-09-14 12:45:16,228 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 41 [2020-09-14 12:45:16,633 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2020-09-14 12:45:17,034 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-09-14 12:45:17,359 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2020-09-14 12:45:18,352 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-09-14 12:45:20,784 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2020-09-14 12:45:21,100 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 34 [2020-09-14 12:45:21,808 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 34 [2020-09-14 12:45:22,334 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2020-09-14 12:45:23,030 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 42 [2020-09-14 12:45:28,088 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 35 [2020-09-14 12:45:28,523 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2020-09-14 12:45:28,996 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2020-09-14 12:45:38,480 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 41 [2020-09-14 12:45:38,837 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-09-14 12:45:39,515 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2020-09-14 12:45:39,859 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 34 [2020-09-14 12:45:40,251 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 18 [2020-09-14 12:45:40,716 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2020-09-14 12:45:41,706 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2020-09-14 12:45:43,035 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-09-14 12:45:43,558 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-09-14 12:45:46,044 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2020-09-14 12:45:46,355 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 34 [2020-09-14 12:45:47,415 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2020-09-14 12:45:47,892 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 42 [2020-09-14 12:45:52,701 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 35 [2020-09-14 12:45:53,377 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2020-09-14 12:45:53,837 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2020-09-14 12:46:03,710 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 41 [2020-09-14 12:46:04,116 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 18 [2020-09-14 12:46:04,498 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 36 [2020-09-14 12:46:05,059 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 34 [2020-09-14 12:46:07,657 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2020-09-14 12:46:08,254 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 47 [2020-09-14 12:46:11,412 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2020-09-14 12:46:11,871 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-09-14 12:46:12,426 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-09-14 12:46:12,904 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 32 [2020-09-14 12:46:15,546 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 40 [2020-09-14 12:46:17,962 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 33 [2020-09-14 12:46:20,649 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2020-09-14 12:46:21,033 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 45 [2020-09-14 12:46:26,207 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 39 [2020-09-14 12:46:26,685 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 15 [2020-09-14 12:46:27,051 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 32 [2020-09-14 12:46:27,428 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 34 [2020-09-14 12:46:29,814 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 37 [2020-09-14 12:46:30,308 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 36 [2020-09-14 12:46:30,878 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 45 [2020-09-14 12:46:40,131 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 37 [2020-09-14 12:46:40,644 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 36 [2020-09-14 12:46:48,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-14 12:46:48,976 INFO L93 Difference]: Finished difference Result 7677 states and 13595 transitions. [2020-09-14 12:46:48,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 527 states. [2020-09-14 12:46:48,981 INFO L78 Accepts]: Start accepts. Automaton has 60 states. Word has length 144 [2020-09-14 12:46:48,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-14 12:46:48,995 INFO L225 Difference]: With dead ends: 7677 [2020-09-14 12:46:48,996 INFO L226 Difference]: Without dead ends: 7677 [2020-09-14 12:46:49,008 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 1081 GetRequests, 522 SyntacticMatches, 1 SemanticMatches, 558 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148103 ImplicationChecksByTransitivity, 99.6s TimeCoverageRelationStatistics Valid=28942, Invalid=284098, Unknown=0, NotChecked=0, Total=313040 [2020-09-14 12:46:49,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7677 states. [2020-09-14 12:46:49,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7677 to 4879. [2020-09-14 12:46:49,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4879 states. [2020-09-14 12:46:49,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4879 states to 4879 states and 8576 transitions. [2020-09-14 12:46:49,120 INFO L78 Accepts]: Start accepts. Automaton has 4879 states and 8576 transitions. Word has length 144 [2020-09-14 12:46:49,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-14 12:46:49,121 INFO L479 AbstractCegarLoop]: Abstraction has 4879 states and 8576 transitions. [2020-09-14 12:46:49,121 INFO L480 AbstractCegarLoop]: Interpolant automaton has 60 states. [2020-09-14 12:46:49,121 INFO L276 IsEmpty]: Start isEmpty. Operand 4879 states and 8576 transitions. [2020-09-14 12:46:49,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-09-14 12:46:49,131 INFO L414 BasicCegarLoop]: Found error trace [2020-09-14 12:46:49,132 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 13, 13, 13, 13, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-14 12:46:49,346 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-14 12:46:49,346 INFO L427 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-14 12:46:49,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-14 12:46:49,347 INFO L82 PathProgramCache]: Analyzing trace with hash 2117409625, now seen corresponding path program 12 times [2020-09-14 12:46:49,347 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-14 12:46:49,347 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074667931] [2020-09-14 12:46:49,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-14 12:46:49,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-14 12:46:50,311 INFO L134 CoverageAnalysis]: Checked inductivity of 943 backedges. 0 proven. 943 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-14 12:46:50,311 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074667931] [2020-09-14 12:46:50,311 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1856049924] [2020-09-14 12:46:50,312 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true