/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread/queue_ok.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-7bb8cbd [2020-10-15 16:28:04,463 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 16:28:04,466 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 16:28:04,490 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 16:28:04,491 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 16:28:04,492 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 16:28:04,493 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 16:28:04,495 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 16:28:04,497 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 16:28:04,498 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 16:28:04,499 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 16:28:04,500 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 16:28:04,500 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 16:28:04,501 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 16:28:04,502 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 16:28:04,504 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 16:28:04,504 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 16:28:04,505 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 16:28:04,507 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 16:28:04,509 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 16:28:04,510 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 16:28:04,511 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 16:28:04,512 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 16:28:04,513 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 16:28:04,516 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 16:28:04,516 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 16:28:04,517 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 16:28:04,517 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 16:28:04,518 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 16:28:04,519 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 16:28:04,519 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 16:28:04,520 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 16:28:04,520 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 16:28:04,521 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 16:28:04,522 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 16:28:04,522 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 16:28:04,523 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 16:28:04,523 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 16:28:04,523 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 16:28:04,524 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 16:28:04,525 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 16:28:04,526 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-15 16:28:04,551 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 16:28:04,554 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 16:28:04,555 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 16:28:04,556 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 16:28:04,556 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 16:28:04,558 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 16:28:04,559 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 16:28:04,559 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 16:28:04,559 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 16:28:04,559 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 16:28:04,559 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 16:28:04,559 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 16:28:04,560 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 16:28:04,560 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 16:28:04,560 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 16:28:04,560 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 16:28:04,560 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 16:28:04,561 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 16:28:04,561 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 16:28:04,563 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 16:28:04,563 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 16:28:04,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 16:28:04,564 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 16:28:04,564 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 16:28:04,564 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 16:28:04,564 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 16:28:04,565 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 16:28:04,565 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 16:28:04,568 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 16:28:04,568 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-15 16:28:04,869 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 16:28:04,882 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 16:28:04,885 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 16:28:04,887 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 16:28:04,887 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 16:28:04,888 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue_ok.i [2020-10-15 16:28:04,974 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14f29a50d/54916ac8448f4df0b213a33b98057dd0/FLAG544cf2b4f [2020-10-15 16:28:05,634 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 16:28:05,635 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_ok.i [2020-10-15 16:28:05,651 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14f29a50d/54916ac8448f4df0b213a33b98057dd0/FLAG544cf2b4f [2020-10-15 16:28:05,914 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14f29a50d/54916ac8448f4df0b213a33b98057dd0 [2020-10-15 16:28:05,923 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 16:28:05,925 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-15 16:28:05,927 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 16:28:05,928 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 16:28:05,931 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 16:28:05,933 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:28:05" (1/1) ... [2020-10-15 16:28:05,935 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@734da445 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:28:05, skipping insertion in model container [2020-10-15 16:28:05,936 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:28:05" (1/1) ... [2020-10-15 16:28:05,943 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 16:28:05,990 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 16:28:06,491 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 16:28:06,505 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 16:28:06,557 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 16:28:06,699 INFO L208 MainTranslator]: Completed translation [2020-10-15 16:28:06,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:28:06 WrapperNode [2020-10-15 16:28:06,700 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 16:28:06,700 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-15 16:28:06,701 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-15 16:28:06,701 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-15 16:28:06,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:28:06" (1/1) ... [2020-10-15 16:28:06,733 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:28:06" (1/1) ... [2020-10-15 16:28:06,778 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-15 16:28:06,778 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 16:28:06,779 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 16:28:06,779 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 16:28:06,790 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:28:06" (1/1) ... [2020-10-15 16:28:06,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:28:06" (1/1) ... [2020-10-15 16:28:06,807 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:28:06" (1/1) ... [2020-10-15 16:28:06,807 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:28:06" (1/1) ... [2020-10-15 16:28:06,826 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:28:06" (1/1) ... [2020-10-15 16:28:06,834 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:28:06" (1/1) ... [2020-10-15 16:28:06,841 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:28:06" (1/1) ... [2020-10-15 16:28:06,848 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 16:28:06,848 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 16:28:06,849 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 16:28:06,849 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 16:28:06,853 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:28:06" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 16:28:06,909 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2020-10-15 16:28:06,909 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2020-10-15 16:28:06,909 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2020-10-15 16:28:06,910 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2020-10-15 16:28:06,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 16:28:06,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 16:28:06,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 16:28:06,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 16:28:06,911 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-15 16:28:06,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-15 16:28:06,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 16:28:06,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 16:28:06,913 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-15 16:28:07,595 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 16:28:07,595 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-10-15 16:28:07,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:28:07 BoogieIcfgContainer [2020-10-15 16:28:07,597 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 16:28:07,599 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 16:28:07,602 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 16:28:07,606 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 16:28:07,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 04:28:05" (1/3) ... [2020-10-15 16:28:07,607 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30348fd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 04:28:07, skipping insertion in model container [2020-10-15 16:28:07,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:28:06" (2/3) ... [2020-10-15 16:28:07,611 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30348fd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 04:28:07, skipping insertion in model container [2020-10-15 16:28:07,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:28:07" (3/3) ... [2020-10-15 16:28:07,613 INFO L111 eAbstractionObserver]: Analyzing ICFG queue_ok.i [2020-10-15 16:28:07,622 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-15 16:28:07,623 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-15 16:28:07,629 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-15 16:28:07,630 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-15 16:28:07,669 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,670 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,670 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,670 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,670 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,671 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,671 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,671 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,672 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,672 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,672 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,672 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,673 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,673 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,673 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,673 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,674 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,674 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,674 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,674 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,675 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,675 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,675 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,675 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,675 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,676 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,676 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,676 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,676 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,676 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,677 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,677 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,677 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,677 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,677 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,678 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,678 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,678 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,678 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,679 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,679 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,679 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,679 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,680 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,680 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,680 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,680 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,681 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,681 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,681 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,681 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,682 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,682 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,682 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,682 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,683 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,683 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,683 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,683 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,684 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,685 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,685 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,685 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,685 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,686 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,686 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,686 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,686 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,687 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,687 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,687 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,687 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,687 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,688 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,688 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,688 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,688 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,689 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,689 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,689 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,689 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,690 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,690 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,690 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,690 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,691 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,692 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,693 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,693 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,693 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,693 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,694 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,694 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,694 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,694 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,695 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,695 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,695 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,695 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,696 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,696 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,696 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,696 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,697 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,697 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,697 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,697 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,698 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,698 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,698 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,698 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,699 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,699 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,699 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,699 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,699 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,700 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,700 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,700 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,700 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,701 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,701 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,701 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,701 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,701 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,702 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,702 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,702 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,702 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,703 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,703 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,703 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,703 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,704 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,704 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,704 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,704 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,704 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,705 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,705 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,705 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,705 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,706 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,706 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,706 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,706 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,706 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,707 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,707 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,707 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,707 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,707 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,708 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,708 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,708 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,708 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,708 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,709 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,709 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,709 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,709 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,710 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,710 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,710 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,710 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,710 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,711 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,711 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,711 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,711 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,711 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,712 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,712 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,712 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,712 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,712 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,713 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,713 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,713 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,713 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,714 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,714 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,714 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,714 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,715 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,715 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,715 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,715 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,715 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,716 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,716 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,716 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,716 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,716 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,717 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,717 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,717 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,717 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,718 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,718 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,718 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,718 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,719 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,719 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,719 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,719 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,720 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,720 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,720 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,720 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,721 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,721 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,724 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,725 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,725 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,725 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,726 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,726 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,726 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,726 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,726 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,727 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,727 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,727 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,727 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,728 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,728 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,728 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,728 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,729 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,729 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,729 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,729 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,729 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,730 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,736 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,736 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,737 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,737 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,737 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,737 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,737 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,738 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,738 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,738 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,738 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,739 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,739 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,739 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,739 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,739 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,740 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,740 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,740 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,740 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,741 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,741 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,741 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,741 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,741 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,742 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,742 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,742 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,742 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,762 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,762 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 16:28:07,782 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-15 16:28:07,801 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-15 16:28:07,801 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-15 16:28:07,802 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-15 16:28:07,802 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 16:28:07,802 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 16:28:07,802 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-15 16:28:07,802 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 16:28:07,802 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 16:28:07,819 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-15 16:28:07,821 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 196 places, 204 transitions, 430 flow [2020-10-15 16:28:07,824 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 196 places, 204 transitions, 430 flow [2020-10-15 16:28:07,826 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 196 places, 204 transitions, 430 flow [2020-10-15 16:28:07,910 INFO L129 PetriNetUnfolder]: 14/204 cut-off events. [2020-10-15 16:28:07,911 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-15 16:28:07,923 INFO L80 FinitePrefix]: Finished finitePrefix Result has 215 conditions, 204 events. 14/204 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 365 event pairs, 0 based on Foata normal form. 0/189 useless extension candidates. Maximal degree in co-relation 139. Up to 3 conditions per place. [2020-10-15 16:28:07,936 INFO L117 LiptonReduction]: Number of co-enabled transitions 9440 [2020-10-15 16:28:11,734 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2020-10-15 16:28:11,953 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-15 16:28:12,512 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 122 [2020-10-15 16:28:12,679 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2020-10-15 16:28:13,538 WARN L193 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 147 [2020-10-15 16:28:14,184 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-10-15 16:28:14,207 INFO L132 LiptonReduction]: Checked pairs total: 22061 [2020-10-15 16:28:14,207 INFO L134 LiptonReduction]: Total number of compositions: 184 [2020-10-15 16:28:14,214 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 53 places, 55 transitions, 132 flow [2020-10-15 16:28:14,260 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 716 states. [2020-10-15 16:28:14,263 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states. [2020-10-15 16:28:14,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2020-10-15 16:28:14,270 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:28:14,270 INFO L422 BasicCegarLoop]: trace histogram [1] [2020-10-15 16:28:14,271 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 16:28:14,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:28:14,277 INFO L82 PathProgramCache]: Analyzing trace with hash 810, now seen corresponding path program 1 times [2020-10-15 16:28:14,287 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:28:14,288 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011452319] [2020-10-15 16:28:14,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:28:14,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:28:14,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:28:14,429 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011452319] [2020-10-15 16:28:14,430 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 16:28:14,430 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2020-10-15 16:28:14,431 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606044568] [2020-10-15 16:28:14,436 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-15 16:28:14,436 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:28:14,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-15 16:28:14,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-15 16:28:14,453 INFO L87 Difference]: Start difference. First operand 716 states. Second operand 2 states. [2020-10-15 16:28:14,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:28:14,506 INFO L93 Difference]: Finished difference Result 715 states and 1901 transitions. [2020-10-15 16:28:14,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-15 16:28:14,507 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1 [2020-10-15 16:28:14,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:28:14,529 INFO L225 Difference]: With dead ends: 715 [2020-10-15 16:28:14,529 INFO L226 Difference]: Without dead ends: 524 [2020-10-15 16:28:14,530 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-15 16:28:14,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2020-10-15 16:28:14,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 524. [2020-10-15 16:28:14,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 524 states. [2020-10-15 16:28:14,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 1400 transitions. [2020-10-15 16:28:14,623 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 1400 transitions. Word has length 1 [2020-10-15 16:28:14,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:28:14,624 INFO L481 AbstractCegarLoop]: Abstraction has 524 states and 1400 transitions. [2020-10-15 16:28:14,624 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-15 16:28:14,624 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 1400 transitions. [2020-10-15 16:28:14,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-15 16:28:14,628 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:28:14,629 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 16:28:14,629 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 16:28:14,629 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 16:28:14,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:28:14,631 INFO L82 PathProgramCache]: Analyzing trace with hash 1385599744, now seen corresponding path program 1 times [2020-10-15 16:28:14,632 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:28:14,632 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124203879] [2020-10-15 16:28:14,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:28:14,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:28:14,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:28:14,841 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124203879] [2020-10-15 16:28:14,841 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 16:28:14,842 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 16:28:14,842 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132466024] [2020-10-15 16:28:14,843 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 16:28:14,844 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:28:14,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 16:28:14,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 16:28:14,845 INFO L87 Difference]: Start difference. First operand 524 states and 1400 transitions. Second operand 3 states. [2020-10-15 16:28:14,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:28:14,857 INFO L93 Difference]: Finished difference Result 236 states and 509 transitions. [2020-10-15 16:28:14,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 16:28:14,858 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2020-10-15 16:28:14,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:28:14,860 INFO L225 Difference]: With dead ends: 236 [2020-10-15 16:28:14,860 INFO L226 Difference]: Without dead ends: 212 [2020-10-15 16:28:14,861 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 16:28:14,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2020-10-15 16:28:14,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 212. [2020-10-15 16:28:14,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2020-10-15 16:28:14,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 464 transitions. [2020-10-15 16:28:14,873 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 464 transitions. Word has length 15 [2020-10-15 16:28:14,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:28:14,874 INFO L481 AbstractCegarLoop]: Abstraction has 212 states and 464 transitions. [2020-10-15 16:28:14,874 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 16:28:14,874 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 464 transitions. [2020-10-15 16:28:14,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-15 16:28:14,876 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:28:14,876 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 16:28:14,876 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 16:28:14,877 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 16:28:14,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:28:14,877 INFO L82 PathProgramCache]: Analyzing trace with hash 1061498615, now seen corresponding path program 1 times [2020-10-15 16:28:14,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:28:14,878 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892133424] [2020-10-15 16:28:14,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:28:14,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:28:15,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:28:15,012 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892133424] [2020-10-15 16:28:15,013 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 16:28:15,013 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 16:28:15,013 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042425759] [2020-10-15 16:28:15,013 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 16:28:15,014 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:28:15,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 16:28:15,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 16:28:15,019 INFO L87 Difference]: Start difference. First operand 212 states and 464 transitions. Second operand 3 states. [2020-10-15 16:28:15,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:28:15,050 INFO L93 Difference]: Finished difference Result 272 states and 590 transitions. [2020-10-15 16:28:15,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 16:28:15,051 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-15 16:28:15,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:28:15,053 INFO L225 Difference]: With dead ends: 272 [2020-10-15 16:28:15,053 INFO L226 Difference]: Without dead ends: 272 [2020-10-15 16:28:15,054 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 16:28:15,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2020-10-15 16:28:15,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 218. [2020-10-15 16:28:15,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2020-10-15 16:28:15,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 476 transitions. [2020-10-15 16:28:15,074 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 476 transitions. Word has length 19 [2020-10-15 16:28:15,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:28:15,074 INFO L481 AbstractCegarLoop]: Abstraction has 218 states and 476 transitions. [2020-10-15 16:28:15,074 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 16:28:15,075 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 476 transitions. [2020-10-15 16:28:15,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-15 16:28:15,086 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:28:15,086 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 16:28:15,086 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 16:28:15,087 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 16:28:15,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:28:15,087 INFO L82 PathProgramCache]: Analyzing trace with hash -1197878433, now seen corresponding path program 1 times [2020-10-15 16:28:15,087 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:28:15,088 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713217591] [2020-10-15 16:28:15,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:28:15,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:28:15,145 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:28:15,146 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713217591] [2020-10-15 16:28:15,146 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 16:28:15,146 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 16:28:15,146 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716712740] [2020-10-15 16:28:15,147 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 16:28:15,147 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:28:15,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 16:28:15,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 16:28:15,147 INFO L87 Difference]: Start difference. First operand 218 states and 476 transitions. Second operand 3 states. [2020-10-15 16:28:15,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:28:15,171 INFO L93 Difference]: Finished difference Result 166 states and 334 transitions. [2020-10-15 16:28:15,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 16:28:15,172 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-10-15 16:28:15,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:28:15,174 INFO L225 Difference]: With dead ends: 166 [2020-10-15 16:28:15,174 INFO L226 Difference]: Without dead ends: 164 [2020-10-15 16:28:15,176 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 16:28:15,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2020-10-15 16:28:15,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2020-10-15 16:28:15,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2020-10-15 16:28:15,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 331 transitions. [2020-10-15 16:28:15,182 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 331 transitions. Word has length 26 [2020-10-15 16:28:15,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:28:15,183 INFO L481 AbstractCegarLoop]: Abstraction has 164 states and 331 transitions. [2020-10-15 16:28:15,183 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 16:28:15,183 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 331 transitions. [2020-10-15 16:28:15,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-15 16:28:15,186 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:28:15,187 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 16:28:15,187 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 16:28:15,190 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 16:28:15,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:28:15,191 INFO L82 PathProgramCache]: Analyzing trace with hash -969107883, now seen corresponding path program 1 times [2020-10-15 16:28:15,191 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:28:15,191 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665122668] [2020-10-15 16:28:15,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:28:15,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:28:15,312 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:28:15,313 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665122668] [2020-10-15 16:28:15,314 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [529973439] [2020-10-15 16:28:15,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 16:28:15,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:28:15,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 3 conjunts are in the unsatisfiable core [2020-10-15 16:28:15,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 16:28:15,469 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:28:15,470 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 16:28:15,470 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2020-10-15 16:28:15,470 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612211021] [2020-10-15 16:28:15,470 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-15 16:28:15,471 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:28:15,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-15 16:28:15,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-15 16:28:15,471 INFO L87 Difference]: Start difference. First operand 164 states and 331 transitions. Second operand 4 states. [2020-10-15 16:28:15,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:28:15,500 INFO L93 Difference]: Finished difference Result 240 states and 472 transitions. [2020-10-15 16:28:15,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-15 16:28:15,500 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 27 [2020-10-15 16:28:15,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:28:15,502 INFO L225 Difference]: With dead ends: 240 [2020-10-15 16:28:15,502 INFO L226 Difference]: Without dead ends: 240 [2020-10-15 16:28:15,502 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-15 16:28:15,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-10-15 16:28:15,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 204. [2020-10-15 16:28:15,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2020-10-15 16:28:15,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 405 transitions. [2020-10-15 16:28:15,510 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 405 transitions. Word has length 27 [2020-10-15 16:28:15,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:28:15,510 INFO L481 AbstractCegarLoop]: Abstraction has 204 states and 405 transitions. [2020-10-15 16:28:15,510 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-15 16:28:15,510 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 405 transitions. [2020-10-15 16:28:15,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-15 16:28:15,511 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:28:15,512 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 16:28:15,726 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 16:28:15,727 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 16:28:15,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:28:15,728 INFO L82 PathProgramCache]: Analyzing trace with hash 1561383711, now seen corresponding path program 2 times [2020-10-15 16:28:15,728 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:28:15,729 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334462309] [2020-10-15 16:28:15,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:28:15,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:28:15,798 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:28:15,798 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334462309] [2020-10-15 16:28:15,799 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [797158274] [2020-10-15 16:28:15,799 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 16:28:15,953 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-15 16:28:15,953 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-15 16:28:15,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-15 16:28:15,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 16:28:15,976 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:28:15,976 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 16:28:15,976 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2020-10-15 16:28:15,977 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804058662] [2020-10-15 16:28:15,977 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 16:28:15,977 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:28:15,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 16:28:15,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-15 16:28:15,978 INFO L87 Difference]: Start difference. First operand 204 states and 405 transitions. Second operand 5 states. [2020-10-15 16:28:16,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:28:16,012 INFO L93 Difference]: Finished difference Result 280 states and 546 transitions. [2020-10-15 16:28:16,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-15 16:28:16,013 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-10-15 16:28:16,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:28:16,014 INFO L225 Difference]: With dead ends: 280 [2020-10-15 16:28:16,015 INFO L226 Difference]: Without dead ends: 280 [2020-10-15 16:28:16,015 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-15 16:28:16,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2020-10-15 16:28:16,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 244. [2020-10-15 16:28:16,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2020-10-15 16:28:16,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 479 transitions. [2020-10-15 16:28:16,023 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 479 transitions. Word has length 34 [2020-10-15 16:28:16,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:28:16,023 INFO L481 AbstractCegarLoop]: Abstraction has 244 states and 479 transitions. [2020-10-15 16:28:16,023 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 16:28:16,024 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 479 transitions. [2020-10-15 16:28:16,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-15 16:28:16,025 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:28:16,025 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 16:28:16,238 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 16:28:16,239 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 16:28:16,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:28:16,240 INFO L82 PathProgramCache]: Analyzing trace with hash -303137003, now seen corresponding path program 3 times [2020-10-15 16:28:16,240 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:28:16,240 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115426630] [2020-10-15 16:28:16,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:28:16,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:28:16,321 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:28:16,321 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115426630] [2020-10-15 16:28:16,321 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [656704698] [2020-10-15 16:28:16,321 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 16:28:16,809 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2020-10-15 16:28:16,809 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-15 16:28:16,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-15 16:28:16,816 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 16:28:16,848 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:28:16,848 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 16:28:16,849 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2020-10-15 16:28:16,849 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18786379] [2020-10-15 16:28:16,849 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-15 16:28:16,850 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:28:16,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-15 16:28:16,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-10-15 16:28:16,850 INFO L87 Difference]: Start difference. First operand 244 states and 479 transitions. Second operand 6 states. [2020-10-15 16:28:16,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:28:16,913 INFO L93 Difference]: Finished difference Result 320 states and 620 transitions. [2020-10-15 16:28:16,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-15 16:28:16,915 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 41 [2020-10-15 16:28:16,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:28:16,917 INFO L225 Difference]: With dead ends: 320 [2020-10-15 16:28:16,917 INFO L226 Difference]: Without dead ends: 320 [2020-10-15 16:28:16,918 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-10-15 16:28:16,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2020-10-15 16:28:16,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 284. [2020-10-15 16:28:16,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 284 states. [2020-10-15 16:28:16,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 553 transitions. [2020-10-15 16:28:16,931 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 553 transitions. Word has length 41 [2020-10-15 16:28:16,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:28:16,931 INFO L481 AbstractCegarLoop]: Abstraction has 284 states and 553 transitions. [2020-10-15 16:28:16,931 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-15 16:28:16,931 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 553 transitions. [2020-10-15 16:28:16,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-10-15 16:28:16,932 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:28:16,933 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 16:28:17,144 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 16:28:17,145 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 16:28:17,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:28:17,148 INFO L82 PathProgramCache]: Analyzing trace with hash 1439404639, now seen corresponding path program 4 times [2020-10-15 16:28:17,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:28:17,149 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234972735] [2020-10-15 16:28:17,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:28:17,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:28:17,267 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:28:17,267 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234972735] [2020-10-15 16:28:17,268 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [390123726] [2020-10-15 16:28:17,268 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 16:28:17,381 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-10-15 16:28:17,381 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-15 16:28:17,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-15 16:28:17,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 16:28:17,409 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:28:17,409 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 16:28:17,409 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2020-10-15 16:28:17,410 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317659919] [2020-10-15 16:28:17,410 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 16:28:17,410 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:28:17,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 16:28:17,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-10-15 16:28:17,411 INFO L87 Difference]: Start difference. First operand 284 states and 553 transitions. Second operand 7 states. [2020-10-15 16:28:17,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:28:17,461 INFO L93 Difference]: Finished difference Result 360 states and 694 transitions. [2020-10-15 16:28:17,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 16:28:17,461 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 48 [2020-10-15 16:28:17,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:28:17,464 INFO L225 Difference]: With dead ends: 360 [2020-10-15 16:28:17,464 INFO L226 Difference]: Without dead ends: 360 [2020-10-15 16:28:17,464 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2020-10-15 16:28:17,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-10-15 16:28:17,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 324. [2020-10-15 16:28:17,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324 states. [2020-10-15 16:28:17,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 627 transitions. [2020-10-15 16:28:17,475 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 627 transitions. Word has length 48 [2020-10-15 16:28:17,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:28:17,476 INFO L481 AbstractCegarLoop]: Abstraction has 324 states and 627 transitions. [2020-10-15 16:28:17,476 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 16:28:17,476 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 627 transitions. [2020-10-15 16:28:17,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-10-15 16:28:17,477 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:28:17,478 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 16:28:17,691 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 16:28:17,692 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 16:28:17,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:28:17,693 INFO L82 PathProgramCache]: Analyzing trace with hash -2001070123, now seen corresponding path program 5 times [2020-10-15 16:28:17,693 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:28:17,694 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017877779] [2020-10-15 16:28:17,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:28:17,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:28:17,823 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:28:17,824 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017877779] [2020-10-15 16:28:17,824 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [522594751] [2020-10-15 16:28:17,824 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 16:28:18,203 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2020-10-15 16:28:18,203 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-15 16:28:18,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 39 conjunts are in the unsatisfiable core [2020-10-15 16:28:18,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 16:28:18,278 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-10-15 16:28:18,282 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:28:18,285 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:28:18,286 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:28:18,286 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:9 [2020-10-15 16:28:18,339 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:28:18,339 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 62 [2020-10-15 16:28:18,340 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:28:18,369 INFO L625 ElimStorePlain]: treesize reduction 24, result has 62.5 percent of original size [2020-10-15 16:28:18,371 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 16:28:18,377 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-15 16:28:18,378 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:35 [2020-10-15 16:28:18,444 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 16:28:18,459 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 16:28:18,461 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 16:28:18,479 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:28:18,480 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-10-15 16:28:18,481 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:28:18,515 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:28:18,516 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 54 [2020-10-15 16:28:18,518 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 16:28:18,521 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 16:28:18,614 INFO L625 ElimStorePlain]: treesize reduction 50, result has 64.8 percent of original size [2020-10-15 16:28:18,618 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-15 16:28:18,618 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:96, output treesize:48 [2020-10-15 16:28:18,661 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 16:28:18,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 16:28:18,678 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 16:28:18,679 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:28:18,687 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2020-10-15 16:28:18,688 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 16:28:18,724 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:28:18,727 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-15 16:28:18,727 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-10-15 16:28:18,802 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2020-10-15 16:28:18,803 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:28:18,813 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:28:18,813 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:28:18,814 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:34 [2020-10-15 16:28:18,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 16:28:18,878 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 29 [2020-10-15 16:28:18,879 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:28:18,889 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:28:18,892 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:28:18,892 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:36, output treesize:9 [2020-10-15 16:28:18,927 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:28:18,928 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 57 [2020-10-15 16:28:18,929 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:28:18,945 INFO L625 ElimStorePlain]: treesize reduction 30, result has 44.4 percent of original size [2020-10-15 16:28:18,947 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:28:18,948 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:34, output treesize:9 [2020-10-15 16:28:18,977 INFO L350 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2020-10-15 16:28:18,978 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 16:28:18,978 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:28:18,984 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:28:18,992 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:28:18,992 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:9 [2020-10-15 16:28:19,009 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 63 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-15 16:28:19,010 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 16:28:19,010 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 17 [2020-10-15 16:28:19,010 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060094463] [2020-10-15 16:28:19,011 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-15 16:28:19,011 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:28:19,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-15 16:28:19,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2020-10-15 16:28:19,012 INFO L87 Difference]: Start difference. First operand 324 states and 627 transitions. Second operand 17 states. [2020-10-15 16:28:22,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:28:22,081 INFO L93 Difference]: Finished difference Result 990 states and 1887 transitions. [2020-10-15 16:28:22,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-10-15 16:28:22,082 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 55 [2020-10-15 16:28:22,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:28:22,090 INFO L225 Difference]: With dead ends: 990 [2020-10-15 16:28:22,090 INFO L226 Difference]: Without dead ends: 990 [2020-10-15 16:28:22,093 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 940 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=738, Invalid=2342, Unknown=0, NotChecked=0, Total=3080 [2020-10-15 16:28:22,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 990 states. [2020-10-15 16:28:22,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 990 to 640. [2020-10-15 16:28:22,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 640 states. [2020-10-15 16:28:22,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 1212 transitions. [2020-10-15 16:28:22,117 INFO L78 Accepts]: Start accepts. Automaton has 640 states and 1212 transitions. Word has length 55 [2020-10-15 16:28:22,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:28:22,117 INFO L481 AbstractCegarLoop]: Abstraction has 640 states and 1212 transitions. [2020-10-15 16:28:22,117 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-15 16:28:22,118 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 1212 transitions. [2020-10-15 16:28:22,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-15 16:28:22,120 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:28:22,120 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 16:28:22,335 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 16:28:22,336 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 16:28:22,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:28:22,336 INFO L82 PathProgramCache]: Analyzing trace with hash 1721466975, now seen corresponding path program 1 times [2020-10-15 16:28:22,336 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:28:22,337 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749491387] [2020-10-15 16:28:22,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:28:22,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:28:22,475 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:28:22,476 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749491387] [2020-10-15 16:28:22,477 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [238370516] [2020-10-15 16:28:22,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 16:28:22,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:28:22,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-15 16:28:22,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 16:28:22,654 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:28:22,654 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 16:28:22,655 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2020-10-15 16:28:22,655 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844139375] [2020-10-15 16:28:22,656 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-15 16:28:22,656 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:28:22,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-15 16:28:22,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2020-10-15 16:28:22,657 INFO L87 Difference]: Start difference. First operand 640 states and 1212 transitions. Second operand 9 states. [2020-10-15 16:28:22,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:28:22,735 INFO L93 Difference]: Finished difference Result 828 states and 1557 transitions. [2020-10-15 16:28:22,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-15 16:28:22,736 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-10-15 16:28:22,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:28:22,742 INFO L225 Difference]: With dead ends: 828 [2020-10-15 16:28:22,742 INFO L226 Difference]: Without dead ends: 828 [2020-10-15 16:28:22,744 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2020-10-15 16:28:22,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2020-10-15 16:28:22,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 740. [2020-10-15 16:28:22,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 740 states. [2020-10-15 16:28:22,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 740 states and 1395 transitions. [2020-10-15 16:28:22,766 INFO L78 Accepts]: Start accepts. Automaton has 740 states and 1395 transitions. Word has length 64 [2020-10-15 16:28:22,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:28:22,766 INFO L481 AbstractCegarLoop]: Abstraction has 740 states and 1395 transitions. [2020-10-15 16:28:22,766 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-15 16:28:22,767 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 1395 transitions. [2020-10-15 16:28:22,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-10-15 16:28:22,770 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:28:22,770 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 16:28:22,984 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 16:28:22,984 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 16:28:22,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:28:22,985 INFO L82 PathProgramCache]: Analyzing trace with hash 1068182613, now seen corresponding path program 2 times [2020-10-15 16:28:22,986 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:28:22,986 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101393358] [2020-10-15 16:28:22,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:28:23,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:28:23,196 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:28:23,196 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101393358] [2020-10-15 16:28:23,197 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1023437501] [2020-10-15 16:28:23,197 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 16:28:23,376 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-15 16:28:23,376 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-15 16:28:23,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 9 conjunts are in the unsatisfiable core [2020-10-15 16:28:23,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 16:28:23,398 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:28:23,399 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 16:28:23,399 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 10 [2020-10-15 16:28:23,399 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873842193] [2020-10-15 16:28:23,399 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-15 16:28:23,400 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:28:23,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-15 16:28:23,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2020-10-15 16:28:23,400 INFO L87 Difference]: Start difference. First operand 740 states and 1395 transitions. Second operand 10 states. [2020-10-15 16:28:23,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:28:23,474 INFO L93 Difference]: Finished difference Result 928 states and 1740 transitions. [2020-10-15 16:28:23,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-15 16:28:23,474 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 71 [2020-10-15 16:28:23,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:28:23,480 INFO L225 Difference]: With dead ends: 928 [2020-10-15 16:28:23,480 INFO L226 Difference]: Without dead ends: 928 [2020-10-15 16:28:23,481 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2020-10-15 16:28:23,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 928 states. [2020-10-15 16:28:23,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 928 to 840. [2020-10-15 16:28:23,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 840 states. [2020-10-15 16:28:23,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 840 states and 1578 transitions. [2020-10-15 16:28:23,500 INFO L78 Accepts]: Start accepts. Automaton has 840 states and 1578 transitions. Word has length 71 [2020-10-15 16:28:23,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:28:23,501 INFO L481 AbstractCegarLoop]: Abstraction has 840 states and 1578 transitions. [2020-10-15 16:28:23,501 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-15 16:28:23,501 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1578 transitions. [2020-10-15 16:28:23,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-10-15 16:28:23,503 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:28:23,503 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 5, 5, 5, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 16:28:23,716 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 16:28:23,717 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 16:28:23,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:28:23,717 INFO L82 PathProgramCache]: Analyzing trace with hash -1341473003, now seen corresponding path program 3 times [2020-10-15 16:28:23,718 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:28:23,718 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073614323] [2020-10-15 16:28:23,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:28:23,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:28:23,844 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 177 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:28:23,845 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073614323] [2020-10-15 16:28:23,845 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2017795065] [2020-10-15 16:28:23,845 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 16:28:25,327 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2020-10-15 16:28:25,327 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-15 16:28:25,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 58 conjunts are in the unsatisfiable core [2020-10-15 16:28:25,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 16:28:25,358 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 88 [2020-10-15 16:28:25,360 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:28:25,396 INFO L625 ElimStorePlain]: treesize reduction 65, result has 23.5 percent of original size [2020-10-15 16:28:25,398 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:28:25,398 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:24, output treesize:8 [2020-10-15 16:28:25,431 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-10-15 16:28:25,432 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:28:25,437 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:28:25,437 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:28:25,438 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:17 [2020-10-15 16:28:25,461 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 16:28:25,462 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:28:25,469 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:28:25,472 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:28:25,472 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:32, output treesize:17 [2020-10-15 16:28:25,512 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 16:28:25,524 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:28:25,525 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-10-15 16:28:25,526 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:28:25,560 INFO L625 ElimStorePlain]: treesize reduction 30, result has 55.2 percent of original size [2020-10-15 16:28:25,563 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:28:25,563 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:47, output treesize:23 [2020-10-15 16:28:25,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 16:28:25,594 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2020-10-15 16:28:25,594 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:28:25,611 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:28:25,613 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:28:25,613 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:38, output treesize:23 [2020-10-15 16:28:25,655 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2020-10-15 16:28:25,656 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:28:25,663 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:28:25,664 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:28:25,665 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:41, output treesize:17 [2020-10-15 16:28:25,690 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 16:28:25,691 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:28:25,698 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:28:25,700 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:28:25,700 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:32, output treesize:13 [2020-10-15 16:28:25,748 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 16:28:25,762 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:28:25,762 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 49 [2020-10-15 16:28:25,764 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 16:28:25,766 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-10-15 16:28:25,799 INFO L625 ElimStorePlain]: treesize reduction 93, result has 27.9 percent of original size [2020-10-15 16:28:25,800 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:28:25,800 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:40, output treesize:19 [2020-10-15 16:28:25,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 16:28:25,838 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 16:28:25,839 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:28:25,848 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:28:25,849 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:28:25,849 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:34, output treesize:19 [2020-10-15 16:28:25,857 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2020-10-15 16:28:25,859 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:28:25,860 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:28:25,861 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:28:25,861 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:22, output treesize:1 [2020-10-15 16:28:25,878 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 78 proven. 35 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2020-10-15 16:28:25,878 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 16:28:25,879 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2020-10-15 16:28:25,879 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500501834] [2020-10-15 16:28:25,879 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-15 16:28:25,880 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:28:25,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-15 16:28:25,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=316, Unknown=0, NotChecked=0, Total=420 [2020-10-15 16:28:25,880 INFO L87 Difference]: Start difference. First operand 840 states and 1578 transitions. Second operand 21 states. [2020-10-15 16:28:28,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:28:28,630 INFO L93 Difference]: Finished difference Result 1310 states and 2402 transitions. [2020-10-15 16:28:28,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2020-10-15 16:28:28,631 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 79 [2020-10-15 16:28:28,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:28:28,637 INFO L225 Difference]: With dead ends: 1310 [2020-10-15 16:28:28,638 INFO L226 Difference]: Without dead ends: 1310 [2020-10-15 16:28:28,640 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1975 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=1527, Invalid=4173, Unknown=0, NotChecked=0, Total=5700 [2020-10-15 16:28:28,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1310 states. [2020-10-15 16:28:28,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1310 to 885. [2020-10-15 16:28:28,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 885 states. [2020-10-15 16:28:28,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 885 states and 1627 transitions. [2020-10-15 16:28:28,665 INFO L78 Accepts]: Start accepts. Automaton has 885 states and 1627 transitions. Word has length 79 [2020-10-15 16:28:28,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:28:28,666 INFO L481 AbstractCegarLoop]: Abstraction has 885 states and 1627 transitions. [2020-10-15 16:28:28,666 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-15 16:28:28,666 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1627 transitions. [2020-10-15 16:28:28,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-15 16:28:28,668 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:28:28,669 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 6, 6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 16:28:28,881 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-10-15 16:28:28,882 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 16:28:28,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:28:28,882 INFO L82 PathProgramCache]: Analyzing trace with hash 1687151893, now seen corresponding path program 4 times [2020-10-15 16:28:28,883 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:28:28,883 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43980701] [2020-10-15 16:28:28,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:28:28,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:28:29,085 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:28:29,085 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43980701] [2020-10-15 16:28:29,085 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [564347595] [2020-10-15 16:28:29,086 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 16:28:32,220 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-10-15 16:28:32,220 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-15 16:28:32,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 11 conjunts are in the unsatisfiable core [2020-10-15 16:28:32,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 16:28:32,256 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:28:32,256 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 16:28:32,256 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 12 [2020-10-15 16:28:32,256 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461189789] [2020-10-15 16:28:32,257 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-15 16:28:32,257 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:28:32,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-15 16:28:32,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2020-10-15 16:28:32,259 INFO L87 Difference]: Start difference. First operand 885 states and 1627 transitions. Second operand 12 states. [2020-10-15 16:28:32,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:28:32,331 INFO L93 Difference]: Finished difference Result 1057 states and 1936 transitions. [2020-10-15 16:28:32,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-15 16:28:32,331 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 89 [2020-10-15 16:28:32,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:28:32,336 INFO L225 Difference]: With dead ends: 1057 [2020-10-15 16:28:32,337 INFO L226 Difference]: Without dead ends: 1057 [2020-10-15 16:28:32,337 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2020-10-15 16:28:32,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1057 states. [2020-10-15 16:28:32,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1057 to 977. [2020-10-15 16:28:32,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2020-10-15 16:28:32,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1792 transitions. [2020-10-15 16:28:32,357 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1792 transitions. Word has length 89 [2020-10-15 16:28:32,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:28:32,358 INFO L481 AbstractCegarLoop]: Abstraction has 977 states and 1792 transitions. [2020-10-15 16:28:32,358 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-15 16:28:32,358 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1792 transitions. [2020-10-15 16:28:32,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-10-15 16:28:32,360 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:28:32,360 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 6, 6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 16:28:32,573 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 16:28:32,574 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 16:28:32,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:28:32,575 INFO L82 PathProgramCache]: Analyzing trace with hash 792310527, now seen corresponding path program 5 times [2020-10-15 16:28:32,575 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:28:32,575 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428725239] [2020-10-15 16:28:32,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:28:32,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:28:32,769 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 0 proven. 292 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:28:32,770 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428725239] [2020-10-15 16:28:32,770 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1845139515] [2020-10-15 16:28:32,770 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 16:28:34,298 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2020-10-15 16:28:34,298 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-15 16:28:34,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 112 conjunts are in the unsatisfiable core [2020-10-15 16:28:34,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 16:28:34,343 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 23 treesize of output 13 [2020-10-15 16:28:34,344 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:28:34,346 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:28:34,346 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:28:34,346 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:9 [2020-10-15 16:28:34,381 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:28:34,382 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 62 [2020-10-15 16:28:34,382 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:28:34,413 INFO L625 ElimStorePlain]: treesize reduction 24, result has 62.5 percent of original size [2020-10-15 16:28:34,414 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 16:28:34,416 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-15 16:28:34,417 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:35 [2020-10-15 16:28:34,498 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 16:28:34,515 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 16:28:34,518 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 16:28:34,536 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:28:34,537 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-10-15 16:28:34,538 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:28:34,558 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:28:34,559 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 54 [2020-10-15 16:28:34,560 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 16:28:34,562 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 16:28:34,650 INFO L625 ElimStorePlain]: treesize reduction 50, result has 64.8 percent of original size [2020-10-15 16:28:34,655 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-15 16:28:34,656 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:96, output treesize:48 [2020-10-15 16:28:34,705 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 16:28:34,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 16:28:34,719 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 16:28:34,719 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:28:34,726 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2020-10-15 16:28:34,726 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 16:28:34,757 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:28:34,758 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-15 16:28:34,758 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-10-15 16:28:34,819 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 1] term [2020-10-15 16:28:34,819 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 16:28:34,841 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2020-10-15 16:28:34,842 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:28:34,864 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:28:34,868 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2020-10-15 16:28:34,869 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 16:28:34,885 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:28:34,886 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-15 16:28:34,887 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:84, output treesize:35 [2020-10-15 16:28:34,924 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 16:28:34,959 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:28:34,960 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 62 [2020-10-15 16:28:34,961 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 16:28:34,963 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:28:34,970 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2020-10-15 16:28:34,970 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 16:28:35,044 INFO L625 ElimStorePlain]: treesize reduction 24, result has 77.4 percent of original size [2020-10-15 16:28:35,045 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 16:28:35,051 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-10-15 16:28:35,051 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:76, output treesize:60 [2020-10-15 16:28:35,131 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 16:28:35,162 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:28:35,163 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 54 [2020-10-15 16:28:35,164 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 16:28:35,165 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:28:35,170 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 16:28:35,194 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:28:35,195 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-10-15 16:28:35,196 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 16:28:35,197 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 16:28:35,298 INFO L625 ElimStorePlain]: treesize reduction 55, result has 64.1 percent of original size [2020-10-15 16:28:35,304 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-15 16:28:35,305 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:96, output treesize:48 [2020-10-15 16:28:35,358 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 16:28:35,373 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2020-10-15 16:28:35,374 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:28:35,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 16:28:35,383 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 16:28:35,384 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 16:28:35,414 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:28:35,415 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-15 16:28:35,416 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-10-15 16:28:35,480 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 1] term [2020-10-15 16:28:35,481 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 16:28:35,488 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 11 [2020-10-15 16:28:35,489 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:28:35,503 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:28:35,507 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2020-10-15 16:28:35,508 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 16:28:35,521 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:28:35,522 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-15 16:28:35,522 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:35 [2020-10-15 16:28:35,568 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 16:28:35,581 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2020-10-15 16:28:35,581 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:28:35,609 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:28:35,609 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 62 [2020-10-15 16:28:35,610 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 16:28:35,611 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 16:28:35,685 INFO L625 ElimStorePlain]: treesize reduction 24, result has 77.4 percent of original size [2020-10-15 16:28:35,686 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 16:28:35,688 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-10-15 16:28:35,689 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:76, output treesize:60 [2020-10-15 16:28:35,769 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 16:28:35,796 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:28:35,797 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 46 [2020-10-15 16:28:35,798 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-10-15 16:28:35,799 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 16:28:35,800 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-10-15 16:28:35,804 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 16:28:35,819 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:28:35,819 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 49 [2020-10-15 16:28:35,820 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 16:28:35,822 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2020-10-15 16:28:35,907 INFO L625 ElimStorePlain]: treesize reduction 120, result has 43.4 percent of original size [2020-10-15 16:28:35,909 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-15 16:28:35,909 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:90, output treesize:48 [2020-10-15 16:28:35,963 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 16:28:35,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 16:28:35,976 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 16:28:35,977 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:28:35,984 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2020-10-15 16:28:35,985 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 16:28:36,048 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:28:36,050 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-15 16:28:36,050 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-10-15 16:28:36,140 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2020-10-15 16:28:36,142 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:28:36,154 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:28:36,155 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:28:36,155 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:34 [2020-10-15 16:28:36,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 16:28:36,213 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 16:28:36,214 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:28:36,229 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:28:36,231 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:28:36,231 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:54, output treesize:34 [2020-10-15 16:28:36,343 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 16:28:36,358 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:28:36,359 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-10-15 16:28:36,359 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:28:36,409 INFO L625 ElimStorePlain]: treesize reduction 30, result has 64.3 percent of original size [2020-10-15 16:28:36,410 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:28:36,411 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:64, output treesize:40 [2020-10-15 16:28:36,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 16:28:36,475 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 16:28:36,476 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:28:36,494 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:28:36,496 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:28:36,496 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:40 [2020-10-15 16:28:36,574 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2020-10-15 16:28:36,574 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:28:36,588 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:28:36,588 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:28:36,588 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:34 [2020-10-15 16:28:36,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 16:28:36,641 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 16:28:36,641 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:28:36,661 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:28:36,662 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:28:36,662 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:54, output treesize:34 [2020-10-15 16:28:36,783 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 16:28:36,794 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:28:36,795 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-10-15 16:28:36,795 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 16:28:36,796 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:28:36,845 INFO L625 ElimStorePlain]: treesize reduction 35, result has 63.2 percent of original size [2020-10-15 16:28:36,847 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:28:36,847 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:64, output treesize:40 [2020-10-15 16:28:36,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 16:28:36,920 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 16:28:36,920 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:28:36,938 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:28:36,939 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:28:36,939 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:40 [2020-10-15 16:28:37,030 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2020-10-15 16:28:37,030 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:28:37,042 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:28:37,042 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:28:37,043 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:34 [2020-10-15 16:28:37,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 16:28:37,105 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 29 [2020-10-15 16:28:37,106 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:28:37,114 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:28:37,115 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:28:37,116 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:36, output treesize:9 [2020-10-15 16:28:37,203 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:28:37,203 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 57 [2020-10-15 16:28:37,204 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 16:28:37,205 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:28:37,232 INFO L625 ElimStorePlain]: treesize reduction 35, result has 46.2 percent of original size [2020-10-15 16:28:37,234 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:28:37,234 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:34, output treesize:9 [2020-10-15 16:28:37,286 INFO L350 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2020-10-15 16:28:37,286 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 16:28:37,287 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:28:37,290 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:28:37,291 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:28:37,291 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:9 [2020-10-15 16:28:37,335 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 224 proven. 58 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-15 16:28:37,335 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 16:28:37,335 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 31] total 42 [2020-10-15 16:28:37,335 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043124909] [2020-10-15 16:28:37,336 INFO L461 AbstractCegarLoop]: Interpolant automaton has 42 states [2020-10-15 16:28:37,336 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:28:37,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2020-10-15 16:28:37,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=307, Invalid=1415, Unknown=0, NotChecked=0, Total=1722 [2020-10-15 16:28:37,337 INFO L87 Difference]: Start difference. First operand 977 states and 1792 transitions. Second operand 42 states. [2020-10-15 16:29:00,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:29:00,405 INFO L93 Difference]: Finished difference Result 3635 states and 6618 transitions. [2020-10-15 16:29:00,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 235 states. [2020-10-15 16:29:00,406 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 96 [2020-10-15 16:29:00,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:29:00,424 INFO L225 Difference]: With dead ends: 3635 [2020-10-15 16:29:00,424 INFO L226 Difference]: Without dead ends: 3635 [2020-10-15 16:29:00,441 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 502 GetRequests, 239 SyntacticMatches, 2 SemanticMatches, 261 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30035 ImplicationChecksByTransitivity, 19.2s TimeCoverageRelationStatistics Valid=9290, Invalid=59616, Unknown=0, NotChecked=0, Total=68906 [2020-10-15 16:29:00,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3635 states. [2020-10-15 16:29:00,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3635 to 2490. [2020-10-15 16:29:00,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2490 states. [2020-10-15 16:29:00,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2490 states to 2490 states and 4493 transitions. [2020-10-15 16:29:00,512 INFO L78 Accepts]: Start accepts. Automaton has 2490 states and 4493 transitions. Word has length 96 [2020-10-15 16:29:00,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:29:00,512 INFO L481 AbstractCegarLoop]: Abstraction has 2490 states and 4493 transitions. [2020-10-15 16:29:00,512 INFO L482 AbstractCegarLoop]: Interpolant automaton has 42 states. [2020-10-15 16:29:00,513 INFO L276 IsEmpty]: Start isEmpty. Operand 2490 states and 4493 transitions. [2020-10-15 16:29:00,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-10-15 16:29:00,519 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:29:00,519 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 7, 7, 7, 7, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 16:29:00,732 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 16:29:00,733 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 16:29:00,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:29:00,733 INFO L82 PathProgramCache]: Analyzing trace with hash 1634230719, now seen corresponding path program 6 times [2020-10-15 16:29:00,733 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:29:00,733 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313334548] [2020-10-15 16:29:00,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:29:00,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:29:00,925 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 0 proven. 361 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:29:00,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313334548] [2020-10-15 16:29:00,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [584718352] [2020-10-15 16:29:00,925 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 16:29:16,192 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2020-10-15 16:29:16,192 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-15 16:29:16,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 72 conjunts are in the unsatisfiable core [2020-10-15 16:29:16,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 16:29:16,298 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 45 [2020-10-15 16:29:16,299 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-10-15 16:29:16,326 INFO L625 ElimStorePlain]: treesize reduction 25, result has 40.5 percent of original size [2020-10-15 16:29:16,328 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:29:16,329 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:20, output treesize:4 [2020-10-15 16:29:16,361 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-10-15 16:29:16,362 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:29:16,368 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:29:16,369 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:29:16,369 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2020-10-15 16:29:16,394 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 16:29:16,394 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:29:16,401 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:29:16,402 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:29:16,403 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:14 [2020-10-15 16:29:16,440 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 16:29:16,456 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:29:16,456 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 49 [2020-10-15 16:29:16,457 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:29:16,486 INFO L625 ElimStorePlain]: treesize reduction 26, result has 52.7 percent of original size [2020-10-15 16:29:16,487 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:29:16,488 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:41, output treesize:20 [2020-10-15 16:29:16,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 16:29:16,520 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2020-10-15 16:29:16,521 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:29:16,532 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:29:16,533 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:29:16,534 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:35, output treesize:20 [2020-10-15 16:29:16,594 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2020-10-15 16:29:16,595 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:29:16,602 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:29:16,603 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:29:16,603 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:38, output treesize:14 [2020-10-15 16:29:16,634 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 16:29:16,635 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:29:16,642 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:29:16,643 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:29:16,643 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:14 [2020-10-15 16:29:16,686 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 16:29:16,703 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:29:16,704 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-10-15 16:29:16,705 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 16:29:16,706 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:29:16,751 INFO L625 ElimStorePlain]: treesize reduction 35, result has 53.3 percent of original size [2020-10-15 16:29:16,753 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:29:16,753 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:44, output treesize:20 [2020-10-15 16:29:16,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 16:29:16,793 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2020-10-15 16:29:16,794 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:29:16,805 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:29:16,807 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:29:16,807 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:35, output treesize:20 [2020-10-15 16:29:16,853 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2020-10-15 16:29:16,854 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:29:16,862 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:29:16,863 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:29:16,863 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:38, output treesize:14 [2020-10-15 16:29:16,896 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 16:29:16,897 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:29:16,906 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:29:16,907 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:29:16,908 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:29, output treesize:9 [2020-10-15 16:29:16,966 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 16:29:16,989 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:29:16,989 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-10-15 16:29:16,990 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 16:29:16,992 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:29:17,029 INFO L625 ElimStorePlain]: treesize reduction 35, result has 50.7 percent of original size [2020-10-15 16:29:17,034 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:29:17,034 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:40, output treesize:16 [2020-10-15 16:29:17,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 16:29:17,070 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 16:29:17,070 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:29:17,080 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:29:17,082 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:29:17,082 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:31, output treesize:16 [2020-10-15 16:29:17,087 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2020-10-15 16:29:17,088 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:29:17,090 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:29:17,090 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:29:17,091 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:1 [2020-10-15 16:29:17,114 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 227 proven. 28 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2020-10-15 16:29:17,115 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 16:29:17,115 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 15] total 28 [2020-10-15 16:29:17,115 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067977876] [2020-10-15 16:29:17,116 INFO L461 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-10-15 16:29:17,116 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:29:17,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-10-15 16:29:17,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=182, Invalid=574, Unknown=0, NotChecked=0, Total=756 [2020-10-15 16:29:17,117 INFO L87 Difference]: Start difference. First operand 2490 states and 4493 transitions. Second operand 28 states. [2020-10-15 16:29:22,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:29:22,604 INFO L93 Difference]: Finished difference Result 2569 states and 4588 transitions. [2020-10-15 16:29:22,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2020-10-15 16:29:22,605 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 104 [2020-10-15 16:29:22,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:29:22,614 INFO L225 Difference]: With dead ends: 2569 [2020-10-15 16:29:22,615 INFO L226 Difference]: Without dead ends: 2569 [2020-10-15 16:29:22,618 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 90 SyntacticMatches, 1 SemanticMatches, 131 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7172 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=4267, Invalid=13289, Unknown=0, NotChecked=0, Total=17556 [2020-10-15 16:29:22,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2569 states. [2020-10-15 16:29:22,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 1458. [2020-10-15 16:29:22,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1458 states. [2020-10-15 16:29:22,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1458 states to 1458 states and 2635 transitions. [2020-10-15 16:29:22,654 INFO L78 Accepts]: Start accepts. Automaton has 1458 states and 2635 transitions. Word has length 104 [2020-10-15 16:29:22,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:29:22,655 INFO L481 AbstractCegarLoop]: Abstraction has 1458 states and 2635 transitions. [2020-10-15 16:29:22,655 INFO L482 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-10-15 16:29:22,655 INFO L276 IsEmpty]: Start isEmpty. Operand 1458 states and 2635 transitions. [2020-10-15 16:29:22,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-10-15 16:29:22,658 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:29:22,658 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 9, 9, 9, 9, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 16:29:22,872 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-10-15 16:29:22,872 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 16:29:22,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:29:22,873 INFO L82 PathProgramCache]: Analyzing trace with hash -1180971947, now seen corresponding path program 7 times [2020-10-15 16:29:22,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:29:22,874 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768854152] [2020-10-15 16:29:22,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:29:22,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:29:23,119 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 0 proven. 456 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:29:23,120 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768854152] [2020-10-15 16:29:23,120 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [966253735] [2020-10-15 16:29:23,120 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 16:29:23,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:29:23,286 INFO L263 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 14 conjunts are in the unsatisfiable core [2020-10-15 16:29:23,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 16:29:23,319 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 0 proven. 456 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:29:23,319 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 16:29:23,320 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 15 [2020-10-15 16:29:23,320 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315193902] [2020-10-15 16:29:23,320 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-15 16:29:23,320 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:29:23,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-15 16:29:23,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=105, Unknown=0, NotChecked=0, Total=210 [2020-10-15 16:29:23,321 INFO L87 Difference]: Start difference. First operand 1458 states and 2635 transitions. Second operand 15 states. [2020-10-15 16:29:23,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:29:23,447 INFO L93 Difference]: Finished difference Result 1690 states and 3049 transitions. [2020-10-15 16:29:23,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-15 16:29:23,448 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 113 [2020-10-15 16:29:23,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:29:23,454 INFO L225 Difference]: With dead ends: 1690 [2020-10-15 16:29:23,454 INFO L226 Difference]: Without dead ends: 1690 [2020-10-15 16:29:23,455 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=105, Invalid=105, Unknown=0, NotChecked=0, Total=210 [2020-10-15 16:29:23,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1690 states. [2020-10-15 16:29:23,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1690 to 1582. [2020-10-15 16:29:23,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1582 states. [2020-10-15 16:29:23,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1582 states to 1582 states and 2856 transitions. [2020-10-15 16:29:23,483 INFO L78 Accepts]: Start accepts. Automaton has 1582 states and 2856 transitions. Word has length 113 [2020-10-15 16:29:23,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:29:23,484 INFO L481 AbstractCegarLoop]: Abstraction has 1582 states and 2856 transitions. [2020-10-15 16:29:23,484 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-15 16:29:23,484 INFO L276 IsEmpty]: Start isEmpty. Operand 1582 states and 2856 transitions. [2020-10-15 16:29:23,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-10-15 16:29:23,488 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:29:23,488 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 9, 9, 9, 9, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 16:29:23,701 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2020-10-15 16:29:23,702 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 16:29:23,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:29:23,702 INFO L82 PathProgramCache]: Analyzing trace with hash 2141456319, now seen corresponding path program 8 times [2020-10-15 16:29:23,703 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:29:23,703 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770359550] [2020-10-15 16:29:23,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:29:23,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:29:23,949 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 0 proven. 523 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:29:23,950 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770359550] [2020-10-15 16:29:23,950 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [760863235] [2020-10-15 16:29:23,950 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 16:29:24,137 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-15 16:29:24,138 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-15 16:29:24,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 15 conjunts are in the unsatisfiable core [2020-10-15 16:29:24,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 16:29:24,178 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 0 proven. 523 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:29:24,178 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 16:29:24,178 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 16 [2020-10-15 16:29:24,179 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913815399] [2020-10-15 16:29:24,179 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-15 16:29:24,179 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:29:24,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-15 16:29:24,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2020-10-15 16:29:24,180 INFO L87 Difference]: Start difference. First operand 1582 states and 2856 transitions. Second operand 16 states. [2020-10-15 16:29:24,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:29:24,309 INFO L93 Difference]: Finished difference Result 1814 states and 3270 transitions. [2020-10-15 16:29:24,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-15 16:29:24,310 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 120 [2020-10-15 16:29:24,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:29:24,319 INFO L225 Difference]: With dead ends: 1814 [2020-10-15 16:29:24,319 INFO L226 Difference]: Without dead ends: 1814 [2020-10-15 16:29:24,320 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2020-10-15 16:29:24,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1814 states. [2020-10-15 16:29:24,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1814 to 1706. [2020-10-15 16:29:24,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1706 states. [2020-10-15 16:29:24,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1706 states to 1706 states and 3077 transitions. [2020-10-15 16:29:24,348 INFO L78 Accepts]: Start accepts. Automaton has 1706 states and 3077 transitions. Word has length 120 [2020-10-15 16:29:24,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:29:24,348 INFO L481 AbstractCegarLoop]: Abstraction has 1706 states and 3077 transitions. [2020-10-15 16:29:24,348 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-15 16:29:24,348 INFO L276 IsEmpty]: Start isEmpty. Operand 1706 states and 3077 transitions. [2020-10-15 16:29:24,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-10-15 16:29:24,353 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:29:24,353 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 10, 10, 10, 10, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 16:29:24,566 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2020-10-15 16:29:24,566 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 16:29:24,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:29:24,567 INFO L82 PathProgramCache]: Analyzing trace with hash 702742271, now seen corresponding path program 9 times [2020-10-15 16:29:24,567 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:29:24,567 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87565711] [2020-10-15 16:29:24,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:29:24,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:29:24,903 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 0 proven. 616 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:29:24,904 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87565711] [2020-10-15 16:29:24,904 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1380669119] [2020-10-15 16:29:24,904 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 16:29:28,863 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2020-10-15 16:29:28,863 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-15 16:29:28,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 72 conjunts are in the unsatisfiable core [2020-10-15 16:29:28,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 16:29:28,897 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:29:28,898 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 111 treesize of output 115 [2020-10-15 16:29:28,898 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 16:29:28,900 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 16:29:28,901 INFO L603 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-10-15 16:29:28,903 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-10-15 16:29:29,009 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 29 [2020-10-15 16:29:29,010 INFO L625 ElimStorePlain]: treesize reduction 243, result has 14.4 percent of original size [2020-10-15 16:29:29,013 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:29:29,014 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:47, output treesize:13 [2020-10-15 16:29:29,068 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 [2020-10-15 16:29:29,069 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:29:29,079 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:29:29,079 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:29:29,079 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:26, output treesize:22 [2020-10-15 16:29:29,118 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 [2020-10-15 16:29:29,119 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:29:29,131 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:29:29,132 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:29:29,132 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:37, output treesize:22 [2020-10-15 16:29:29,187 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 16:29:29,203 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:29:29,203 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 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 [2020-10-15 16:29:29,204 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:29:29,249 INFO L625 ElimStorePlain]: treesize reduction 30, result has 58.3 percent of original size [2020-10-15 16:29:29,250 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:29:29,251 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:52, output treesize:28 [2020-10-15 16:29:29,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 16:29:29,300 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 [2020-10-15 16:29:29,301 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:29:29,321 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:29:29,323 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:29:29,323 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:43, output treesize:28 [2020-10-15 16:29:29,391 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 [2020-10-15 16:29:29,392 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:29:29,405 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:29:29,405 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:29:29,406 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:46, output treesize:22 [2020-10-15 16:29:29,451 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 [2020-10-15 16:29:29,452 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:29:29,464 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:29:29,466 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:29:29,466 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:37, output treesize:22 [2020-10-15 16:29:29,533 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 16:29:29,557 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:29:29,557 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 [2020-10-15 16:29:29,558 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 16:29:29,558 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:29:29,620 INFO L625 ElimStorePlain]: treesize reduction 35, result has 57.8 percent of original size [2020-10-15 16:29:29,622 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:29:29,622 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:52, output treesize:28 [2020-10-15 16:29:29,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 16:29:29,672 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2020-10-15 16:29:29,673 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:29:29,690 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:29:29,692 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:29:29,692 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:43, output treesize:28 [2020-10-15 16:29:29,768 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2020-10-15 16:29:29,768 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:29:29,778 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:29:29,778 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:29:29,779 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:22 [2020-10-15 16:29:29,815 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 [2020-10-15 16:29:29,816 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:29:29,828 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:29:29,830 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:29:29,830 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:37, output treesize:14 [2020-10-15 16:29:29,896 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 16:29:29,897 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 23 [2020-10-15 16:29:29,898 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:29:29,910 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:29:29,912 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. [2020-10-15 16:29:29,912 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:40, output treesize:30 [2020-10-15 16:29:30,005 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:29:30,005 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 59 [2020-10-15 16:29:30,007 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 16:29:30,008 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:29:30,064 INFO L625 ElimStorePlain]: treesize reduction 93, result has 32.1 percent of original size [2020-10-15 16:29:30,066 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. [2020-10-15 16:29:30,066 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:48, output treesize:27 [2020-10-15 16:29:30,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 16:29:30,134 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 34 [2020-10-15 16:29:30,135 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:29:30,154 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:29:30,157 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. [2020-10-15 16:29:30,157 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:42, output treesize:27 [2020-10-15 16:29:30,166 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 10 [2020-10-15 16:29:30,167 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:29:30,169 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:29:30,170 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:29:30,170 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:1 [2020-10-15 16:29:30,267 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 222 proven. 73 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2020-10-15 16:29:30,267 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 16:29:30,267 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16] total 32 [2020-10-15 16:29:30,268 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459576042] [2020-10-15 16:29:30,268 INFO L461 AbstractCegarLoop]: Interpolant automaton has 32 states [2020-10-15 16:29:30,268 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:29:30,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2020-10-15 16:29:30,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=219, Invalid=773, Unknown=0, NotChecked=0, Total=992 [2020-10-15 16:29:30,269 INFO L87 Difference]: Start difference. First operand 1706 states and 3077 transitions. Second operand 32 states. [2020-10-15 16:29:49,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:29:49,263 INFO L93 Difference]: Finished difference Result 3757 states and 6689 transitions. [2020-10-15 16:29:49,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 231 states. [2020-10-15 16:29:49,264 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 128 [2020-10-15 16:29:49,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:29:49,280 INFO L225 Difference]: With dead ends: 3757 [2020-10-15 16:29:49,280 INFO L226 Difference]: Without dead ends: 3757 [2020-10-15 16:29:49,285 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 368 GetRequests, 113 SyntacticMatches, 1 SemanticMatches, 254 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30657 ImplicationChecksByTransitivity, 15.4s TimeCoverageRelationStatistics Valid=12002, Invalid=53278, Unknown=0, NotChecked=0, Total=65280 [2020-10-15 16:29:49,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3757 states. [2020-10-15 16:29:49,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3757 to 1656. [2020-10-15 16:29:49,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1656 states. [2020-10-15 16:29:49,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1656 states to 1656 states and 3002 transitions. [2020-10-15 16:29:49,325 INFO L78 Accepts]: Start accepts. Automaton has 1656 states and 3002 transitions. Word has length 128 [2020-10-15 16:29:49,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:29:49,326 INFO L481 AbstractCegarLoop]: Abstraction has 1656 states and 3002 transitions. [2020-10-15 16:29:49,326 INFO L482 AbstractCegarLoop]: Interpolant automaton has 32 states. [2020-10-15 16:29:49,326 INFO L276 IsEmpty]: Start isEmpty. Operand 1656 states and 3002 transitions. [2020-10-15 16:29:49,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-15 16:29:49,330 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:29:49,330 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 11, 11, 11, 11, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 16:29:49,543 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 16:29:49,544 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 16:29:49,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:29:49,545 INFO L82 PathProgramCache]: Analyzing trace with hash 883192735, now seen corresponding path program 10 times [2020-10-15 16:29:49,545 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:29:49,545 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248156111] [2020-10-15 16:29:49,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:29:49,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:29:49,878 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 0 proven. 717 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:29:49,878 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248156111] [2020-10-15 16:29:49,878 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2053894963] [2020-10-15 16:29:49,879 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 16:31:13,082 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-10-15 16:31:13,082 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-15 16:31:15,638 INFO L263 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 17 conjunts are in the unsatisfiable core [2020-10-15 16:31:15,641 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 16:31:15,674 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 0 proven. 717 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:31:15,675 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 16:31:15,675 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 18 [2020-10-15 16:31:15,675 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531329137] [2020-10-15 16:31:15,675 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-15 16:31:15,676 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:31:15,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-15 16:31:15,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=153, Unknown=0, NotChecked=0, Total=306 [2020-10-15 16:31:15,676 INFO L87 Difference]: Start difference. First operand 1656 states and 3002 transitions. Second operand 18 states. [2020-10-15 16:31:15,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:31:15,849 INFO L93 Difference]: Finished difference Result 1888 states and 3416 transitions. [2020-10-15 16:31:15,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-15 16:31:15,850 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 136 [2020-10-15 16:31:15,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:31:15,859 INFO L225 Difference]: With dead ends: 1888 [2020-10-15 16:31:15,859 INFO L226 Difference]: Without dead ends: 1888 [2020-10-15 16:31:15,861 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=153, Invalid=153, Unknown=0, NotChecked=0, Total=306 [2020-10-15 16:31:15,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1888 states. [2020-10-15 16:31:15,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1888 to 1780. [2020-10-15 16:31:15,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1780 states. [2020-10-15 16:31:15,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1780 states to 1780 states and 3223 transitions. [2020-10-15 16:31:15,890 INFO L78 Accepts]: Start accepts. Automaton has 1780 states and 3223 transitions. Word has length 136 [2020-10-15 16:31:15,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:31:15,890 INFO L481 AbstractCegarLoop]: Abstraction has 1780 states and 3223 transitions. [2020-10-15 16:31:15,890 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-15 16:31:15,891 INFO L276 IsEmpty]: Start isEmpty. Operand 1780 states and 3223 transitions. [2020-10-15 16:31:15,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-10-15 16:31:15,895 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:31:15,895 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 12, 12, 12, 12, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 16:31:16,108 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 16:31:16,109 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 16:31:16,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:31:16,109 INFO L82 PathProgramCache]: Analyzing trace with hash 851330655, now seen corresponding path program 11 times [2020-10-15 16:31:16,109 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:31:16,110 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945545469] [2020-10-15 16:31:16,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:31:16,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:31:16,531 INFO L134 CoverageAnalysis]: Checked inductivity of 826 backedges. 0 proven. 826 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:31:16,531 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945545469] [2020-10-15 16:31:16,531 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1296629575] [2020-10-15 16:31:16,532 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 16:31:22,614 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2020-10-15 16:31:22,615 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-15 16:31:22,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 170 conjunts are in the unsatisfiable core [2020-10-15 16:31:22,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 16:31:22,738 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2020-10-15 16:31:22,739 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:31:22,742 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:31:22,742 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:31:22,743 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:12 [2020-10-15 16:31:22,802 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:31:22,803 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 [2020-10-15 16:31:22,803 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 16:31:22,805 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:31:22,851 INFO L625 ElimStorePlain]: treesize reduction 24, result has 63.1 percent of original size [2020-10-15 16:31:22,853 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 16:31:22,855 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-15 16:31:22,855 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:31, output treesize:36 [2020-10-15 16:31:22,966 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 16:31:22,976 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 16:31:22,980 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 16:31:23,001 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:31:23,002 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 50 [2020-10-15 16:31:23,003 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 16:31:23,006 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 16:31:23,007 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 16:31:23,008 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-10-15 16:31:23,039 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:31:23,039 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 46 [2020-10-15 16:31:23,041 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 1] term [2020-10-15 16:31:23,041 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 16:31:23,042 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2020-10-15 16:31:23,141 INFO L625 ElimStorePlain]: treesize reduction 141, result has 34.7 percent of original size [2020-10-15 16:31:23,142 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-15 16:31:23,143 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:91, output treesize:49 [2020-10-15 16:31:23,299 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 16:31:23,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 16:31:23,312 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 21 treesize of output 11 [2020-10-15 16:31:23,313 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:31:23,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 16:31:23,321 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 0 case distinctions, treesize of input 32 treesize of output 25 [2020-10-15 16:31:23,323 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 16:31:23,353 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:31:23,354 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-15 16:31:23,354 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:91, output treesize:49 [2020-10-15 16:31:23,443 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2020-10-15 16:31:23,444 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:31:23,447 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:31:23,447 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:31:23,448 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:9 [2020-10-15 16:31:23,510 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:31:23,510 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 62 [2020-10-15 16:31:23,511 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:31:23,555 INFO L625 ElimStorePlain]: treesize reduction 24, result has 62.5 percent of original size [2020-10-15 16:31:23,556 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 16:31:23,564 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-15 16:31:23,565 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:35 [2020-10-15 16:31:23,702 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 16:31:23,718 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 16:31:23,722 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 16:31:23,752 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:31:23,752 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-10-15 16:31:23,753 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:31:23,781 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:31:23,781 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 54 [2020-10-15 16:31:23,782 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 16:31:23,784 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 16:31:23,900 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2020-10-15 16:31:23,901 INFO L625 ElimStorePlain]: treesize reduction 50, result has 64.8 percent of original size [2020-10-15 16:31:23,903 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-15 16:31:23,903 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:96, output treesize:48 [2020-10-15 16:31:23,989 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 16:31:24,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 16:31:24,010 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 16:31:24,011 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:31:24,020 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2020-10-15 16:31:24,020 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 16:31:24,063 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:31:24,065 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-15 16:31:24,065 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-10-15 16:31:24,166 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 1] term [2020-10-15 16:31:24,166 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 16:31:24,183 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2020-10-15 16:31:24,184 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:31:24,220 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:31:24,226 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2020-10-15 16:31:24,226 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 16:31:24,253 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:31:24,256 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-15 16:31:24,256 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:84, output treesize:35 [2020-10-15 16:31:24,325 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 16:31:24,372 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:31:24,373 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 62 [2020-10-15 16:31:24,373 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 16:31:24,375 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:31:24,385 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2020-10-15 16:31:24,386 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 16:31:24,480 INFO L625 ElimStorePlain]: treesize reduction 24, result has 77.4 percent of original size [2020-10-15 16:31:24,482 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 16:31:24,483 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-10-15 16:31:24,484 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:76, output treesize:60 [2020-10-15 16:31:24,620 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 16:31:24,662 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:31:24,663 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 54 [2020-10-15 16:31:24,663 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 16:31:24,665 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:31:24,672 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 16:31:24,699 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:31:24,699 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-10-15 16:31:24,700 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 16:31:24,701 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 16:31:24,834 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 48 [2020-10-15 16:31:24,835 INFO L625 ElimStorePlain]: treesize reduction 55, result has 64.1 percent of original size [2020-10-15 16:31:24,838 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-15 16:31:24,838 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:96, output treesize:48 [2020-10-15 16:31:24,931 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 16:31:24,953 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2020-10-15 16:31:24,953 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:31:24,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 16:31:24,963 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 16:31:24,964 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 16:31:25,000 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:31:25,002 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-15 16:31:25,002 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-10-15 16:31:25,114 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[3, 2, 5, 1] term [2020-10-15 16:31:25,114 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 16:31:25,129 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 15 [2020-10-15 16:31:25,130 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:31:25,159 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:31:25,164 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2020-10-15 16:31:25,165 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 16:31:25,185 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:31:25,187 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-15 16:31:25,187 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:84, output treesize:35 [2020-10-15 16:31:25,254 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 16:31:25,300 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:31:25,301 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 62 [2020-10-15 16:31:25,302 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 16:31:25,304 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:31:25,317 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2020-10-15 16:31:25,317 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 16:31:25,410 INFO L625 ElimStorePlain]: treesize reduction 24, result has 77.4 percent of original size [2020-10-15 16:31:25,412 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 16:31:25,415 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-10-15 16:31:25,415 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:76, output treesize:60 [2020-10-15 16:31:25,561 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 16:31:25,570 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 16:31:25,574 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 16:31:25,601 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:31:25,602 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-10-15 16:31:25,603 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 16:31:25,603 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:31:25,629 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:31:25,630 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 54 [2020-10-15 16:31:25,630 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 16:31:25,631 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 16:31:25,749 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2020-10-15 16:31:25,750 INFO L625 ElimStorePlain]: treesize reduction 55, result has 64.1 percent of original size [2020-10-15 16:31:25,753 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-15 16:31:25,753 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:96, output treesize:48 [2020-10-15 16:31:25,855 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 16:31:25,868 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2020-10-15 16:31:25,868 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:31:25,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 16:31:25,879 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 16:31:25,879 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 16:31:25,922 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:31:25,924 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-15 16:31:25,924 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-10-15 16:31:26,142 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 5, 1] term [2020-10-15 16:31:26,142 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 16:31:26,153 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 19 [2020-10-15 16:31:26,157 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:31:26,211 INFO L625 ElimStorePlain]: treesize reduction 10, result has 87.7 percent of original size [2020-10-15 16:31:26,216 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2020-10-15 16:31:26,216 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 16:31:26,238 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:31:26,240 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-15 16:31:26,240 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:104, output treesize:35 [2020-10-15 16:31:26,304 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 16:31:26,323 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2020-10-15 16:31:26,324 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:31:26,365 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:31:26,366 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 62 [2020-10-15 16:31:26,366 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 16:31:26,368 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 16:31:26,459 INFO L625 ElimStorePlain]: treesize reduction 24, result has 77.4 percent of original size [2020-10-15 16:31:26,460 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 16:31:26,464 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2020-10-15 16:31:26,464 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:76, output treesize:60 [2020-10-15 16:31:26,611 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 16:31:26,621 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 16:31:26,624 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 16:31:26,651 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:31:26,652 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-10-15 16:31:26,652 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 16:31:26,653 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:31:26,684 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:31:26,685 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 54 [2020-10-15 16:31:26,685 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 16:31:26,692 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 16:31:26,814 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2020-10-15 16:31:26,816 INFO L625 ElimStorePlain]: treesize reduction 55, result has 64.1 percent of original size [2020-10-15 16:31:26,819 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-15 16:31:26,819 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:96, output treesize:48 [2020-10-15 16:31:26,915 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 16:31:26,934 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2020-10-15 16:31:26,934 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:31:26,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 16:31:26,946 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 16:31:26,946 INFO L545 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-10-15 16:31:26,996 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:31:26,998 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-10-15 16:31:26,998 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2020-10-15 16:31:27,182 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 13 [2020-10-15 16:31:27,183 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:31:27,207 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:31:27,208 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:31:27,208 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:34 [2020-10-15 16:31:27,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 16:31:27,313 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 16:31:27,314 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:31:27,341 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:31:27,343 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:31:27,343 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:54, output treesize:34 [2020-10-15 16:31:27,608 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 16:31:27,642 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:31:27,643 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-10-15 16:31:27,644 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:31:27,717 INFO L625 ElimStorePlain]: treesize reduction 30, result has 64.3 percent of original size [2020-10-15 16:31:27,719 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:31:27,719 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:64, output treesize:40 [2020-10-15 16:31:27,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 16:31:27,841 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 16:31:27,841 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:31:27,864 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:31:27,865 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:31:27,866 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:40 [2020-10-15 16:31:28,013 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2020-10-15 16:31:28,014 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:31:28,031 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:31:28,032 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:31:28,032 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:34 [2020-10-15 16:31:28,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 16:31:28,114 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 16:31:28,115 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:31:28,132 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:31:28,134 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:31:28,134 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:54, output treesize:34 [2020-10-15 16:31:28,337 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 16:31:28,360 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:31:28,361 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-10-15 16:31:28,361 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 16:31:28,362 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:31:28,431 INFO L625 ElimStorePlain]: treesize reduction 35, result has 63.2 percent of original size [2020-10-15 16:31:28,433 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:31:28,434 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:64, output treesize:40 [2020-10-15 16:31:28,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 16:31:28,595 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 16:31:28,595 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:31:28,628 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:31:28,629 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:31:28,630 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:40 [2020-10-15 16:31:28,798 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2020-10-15 16:31:28,798 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:31:28,820 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:31:28,821 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:31:28,822 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:34 [2020-10-15 16:31:28,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 16:31:28,937 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 16:31:28,937 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:31:28,961 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:31:28,962 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:31:28,962 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:54, output treesize:34 [2020-10-15 16:31:29,157 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 16:31:29,177 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:31:29,178 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-10-15 16:31:29,179 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 16:31:29,179 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:31:29,244 INFO L625 ElimStorePlain]: treesize reduction 35, result has 63.2 percent of original size [2020-10-15 16:31:29,246 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:31:29,247 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:64, output treesize:40 [2020-10-15 16:31:29,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 16:31:29,373 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 16:31:29,373 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:31:29,397 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:31:29,399 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:31:29,399 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:40 [2020-10-15 16:31:29,546 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2020-10-15 16:31:29,546 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:31:29,566 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:31:29,566 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:31:29,567 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:34 [2020-10-15 16:31:29,685 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:31:29,685 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 75 [2020-10-15 16:31:29,686 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-10-15 16:31:29,688 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:31:29,724 INFO L625 ElimStorePlain]: treesize reduction 44, result has 49.4 percent of original size [2020-10-15 16:31:29,727 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:31:29,727 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:47, output treesize:9 [2020-10-15 16:31:29,922 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:31:29,922 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 57 [2020-10-15 16:31:29,923 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 16:31:29,924 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:31:29,956 INFO L625 ElimStorePlain]: treesize reduction 35, result has 46.2 percent of original size [2020-10-15 16:31:29,957 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:31:29,958 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:34, output treesize:9 [2020-10-15 16:31:30,036 INFO L350 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2020-10-15 16:31:30,036 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 16:31:30,037 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:31:30,047 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:31:30,048 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:31:30,049 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:9 [2020-10-15 16:31:30,237 INFO L134 CoverageAnalysis]: Checked inductivity of 826 backedges. 619 proven. 131 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2020-10-15 16:31:30,238 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 16:31:30,238 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 48] total 65 [2020-10-15 16:31:30,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243399968] [2020-10-15 16:31:30,240 INFO L461 AbstractCegarLoop]: Interpolant automaton has 65 states [2020-10-15 16:31:30,240 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:31:30,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2020-10-15 16:31:30,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=676, Invalid=3484, Unknown=0, NotChecked=0, Total=4160 [2020-10-15 16:31:30,242 INFO L87 Difference]: Start difference. First operand 1780 states and 3223 transitions. Second operand 65 states. [2020-10-15 16:31:34,320 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2020-10-15 16:31:34,539 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-10-15 16:31:36,376 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-10-15 16:31:36,805 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2020-10-15 16:31:36,985 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2020-10-15 16:31:37,176 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-10-15 16:31:37,547 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-10-15 16:31:39,596 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2020-10-15 16:31:40,134 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-10-15 16:31:40,330 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2020-10-15 16:31:40,843 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-10-15 16:31:41,031 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-10-15 16:31:41,408 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-10-15 16:31:43,602 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-10-15 16:31:43,894 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2020-10-15 16:31:44,722 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-10-15 16:31:44,928 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2020-10-15 16:31:45,275 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 34 [2020-10-15 16:31:45,994 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-10-15 16:31:46,198 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-10-15 16:31:49,525 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-10-15 16:31:49,859 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2020-10-15 16:31:50,164 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2020-10-15 16:31:51,028 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-10-15 16:31:51,224 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-10-15 16:31:51,441 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 39 [2020-10-15 16:31:52,237 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 34 [2020-10-15 16:31:52,737 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-10-15 16:31:56,141 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2020-10-15 16:31:56,537 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-10-15 16:31:56,968 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2020-10-15 16:31:57,230 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-10-15 16:31:57,532 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-10-15 16:31:58,534 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-10-15 16:31:58,770 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 38 [2020-10-15 16:31:59,664 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 39 [2020-10-15 16:31:59,984 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 34 [2020-10-15 16:32:00,146 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-10-15 16:32:00,349 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2020-10-15 16:32:00,709 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 33 [2020-10-15 16:32:01,537 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 34 [2020-10-15 16:32:04,108 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2020-10-15 16:32:05,256 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-10-15 16:32:05,570 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-10-15 16:32:05,803 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2020-10-15 16:32:06,340 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-10-15 16:32:06,822 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-10-15 16:32:07,572 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2020-10-15 16:32:07,819 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 38 [2020-10-15 16:32:08,254 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-10-15 16:32:08,956 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 38 [2020-10-15 16:32:09,208 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 39 [2020-10-15 16:32:09,595 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 34 [2020-10-15 16:32:09,784 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-10-15 16:32:10,228 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 33 [2020-10-15 16:32:10,471 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 33 [2020-10-15 16:32:11,420 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 33 [2020-10-15 16:32:11,733 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 34 [2020-10-15 16:32:12,294 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 37 [2020-10-15 16:32:14,125 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 39 [2020-10-15 16:32:14,317 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-10-15 16:32:14,560 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2020-10-15 16:32:15,102 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 40 [2020-10-15 16:32:15,528 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-10-15 16:32:16,194 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-10-15 16:32:16,457 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2020-10-15 16:32:16,841 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2020-10-15 16:32:17,037 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 37 [2020-10-15 16:32:17,259 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2020-10-15 16:32:17,566 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-10-15 16:32:17,824 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-10-15 16:32:18,094 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-10-15 16:32:18,805 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 34 [2020-10-15 16:32:19,017 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-10-15 16:32:19,376 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2020-10-15 16:32:19,871 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-10-15 16:32:20,859 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 38 [2020-10-15 16:32:21,122 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 38 [2020-10-15 16:32:21,397 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 39 [2020-10-15 16:32:22,083 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2020-10-15 16:32:23,321 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 33 [2020-10-15 16:32:23,577 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 33 [2020-10-15 16:32:23,948 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 34 [2020-10-15 16:32:25,483 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 37 [2020-10-15 16:32:26,538 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-10-15 16:32:26,817 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-10-15 16:32:27,025 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-10-15 16:32:27,301 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2020-10-15 16:32:27,554 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 39 [2020-10-15 16:32:28,641 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2020-10-15 16:32:28,892 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2020-10-15 16:32:29,367 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-10-15 16:32:29,905 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-10-15 16:32:30,377 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 34 [2020-10-15 16:32:30,664 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-10-15 16:32:31,017 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-10-15 16:32:31,254 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2020-10-15 16:32:31,559 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-10-15 16:32:31,799 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 37 [2020-10-15 16:32:32,380 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 39 [2020-10-15 16:32:32,829 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-10-15 16:32:34,339 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2020-10-15 16:32:34,615 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 38 [2020-10-15 16:32:34,917 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 38 [2020-10-15 16:32:36,769 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2020-10-15 16:32:37,204 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 33 [2020-10-15 16:32:37,487 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 33 [2020-10-15 16:32:37,884 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 34 [2020-10-15 16:32:38,492 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 41 [2020-10-15 16:32:39,030 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2020-10-15 16:32:39,544 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 37 [2020-10-15 16:32:40,005 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 41 [2020-10-15 16:32:40,531 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-10-15 16:32:40,862 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2020-10-15 16:32:41,361 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-10-15 16:32:41,602 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-10-15 16:32:41,877 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 39 [2020-10-15 16:32:42,084 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2020-10-15 16:32:42,536 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2020-10-15 16:32:43,180 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-10-15 16:32:43,544 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-10-15 16:32:43,871 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2020-10-15 16:32:44,602 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-10-15 16:32:44,923 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 39 [2020-10-15 16:32:45,477 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 34 [2020-10-15 16:32:45,812 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-10-15 16:32:46,713 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-10-15 16:32:46,996 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-10-15 16:32:47,264 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2020-10-15 16:32:47,533 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 37 [2020-10-15 16:32:48,031 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 38 [2020-10-15 16:32:48,614 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 34 [2020-10-15 16:32:50,201 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2020-10-15 16:32:50,517 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 38 [2020-10-15 16:32:51,679 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2020-10-15 16:32:52,842 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2020-10-15 16:32:53,414 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 33 [2020-10-15 16:32:53,739 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 33 [2020-10-15 16:32:54,169 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 41 [2020-10-15 16:32:54,473 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2020-10-15 16:32:55,076 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2020-10-15 16:32:55,415 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 37 [2020-10-15 16:32:55,732 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 40 [2020-10-15 16:32:55,940 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 41 [2020-10-15 16:32:56,219 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-10-15 16:32:56,495 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2020-10-15 16:32:56,839 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2020-10-15 16:32:57,161 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-10-15 16:32:57,790 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-10-15 16:32:58,096 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 39 [2020-10-15 16:32:58,705 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2020-10-15 16:32:59,141 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-10-15 16:33:00,388 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-10-15 16:33:00,983 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-10-15 16:33:01,321 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2020-10-15 16:33:01,896 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-10-15 16:33:02,310 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 38 [2020-10-15 16:33:02,688 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 39 [2020-10-15 16:33:03,332 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 34 [2020-10-15 16:33:03,639 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2020-10-15 16:33:04,634 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 18 [2020-10-15 16:33:04,954 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-10-15 16:33:05,284 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-10-15 16:33:05,571 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 37 [2020-10-15 16:33:05,952 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 38 [2020-10-15 16:33:06,610 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 33 [2020-10-15 16:33:07,396 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 34 [2020-10-15 16:33:09,321 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2020-10-15 16:33:09,670 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 33 [2020-10-15 16:33:10,563 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2020-10-15 16:33:11,114 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 41 [2020-10-15 16:33:11,783 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2020-10-15 16:33:12,413 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2020-10-15 16:33:12,743 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 37 [2020-10-15 16:33:13,028 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2020-10-15 16:33:13,428 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2020-10-15 16:33:14,082 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2020-10-15 16:33:14,337 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 40 [2020-10-15 16:33:14,580 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 41 [2020-10-15 16:33:14,982 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2020-10-15 16:33:15,303 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-10-15 16:33:15,677 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 39 [2020-10-15 16:33:15,995 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-10-15 16:33:16,482 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-10-15 16:33:17,479 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-10-15 16:33:17,960 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2020-10-15 16:33:19,354 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2020-10-15 16:33:19,792 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-10-15 16:33:20,368 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-10-15 16:33:20,784 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-10-15 16:33:21,248 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 37 [2020-10-15 16:33:21,580 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2020-10-15 16:33:21,995 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 38 [2020-10-15 16:33:22,408 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 38 [2020-10-15 16:33:22,856 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 39 [2020-10-15 16:33:23,654 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 34 [2020-10-15 16:33:24,021 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-10-15 16:33:24,912 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-10-15 16:33:25,858 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 18 [2020-10-15 16:33:26,601 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2020-10-15 16:33:27,319 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 33 [2020-10-15 16:33:28,038 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 33 [2020-10-15 16:33:28,614 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 34 [2020-10-15 16:33:30,850 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 37 [2020-10-15 16:33:31,136 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 37 [2020-10-15 16:33:31,378 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 38 [2020-10-15 16:33:31,597 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2020-10-15 16:33:32,243 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2020-10-15 16:33:32,742 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 41 [2020-10-15 16:33:33,039 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2020-10-15 16:33:33,720 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2020-10-15 16:33:34,102 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2020-10-15 16:33:35,003 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 39 [2020-10-15 16:33:35,288 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2020-10-15 16:33:35,594 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 40 [2020-10-15 16:33:35,858 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 41 [2020-10-15 16:33:36,226 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-10-15 16:33:36,678 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2020-10-15 16:33:37,048 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-10-15 16:33:37,725 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-10-15 16:33:39,067 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-10-15 16:33:39,572 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2020-10-15 16:33:40,228 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2020-10-15 16:33:40,584 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 37 [2020-10-15 16:33:40,793 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2020-10-15 16:33:41,187 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2020-10-15 16:33:41,807 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-10-15 16:33:42,193 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2020-10-15 16:33:42,910 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-10-15 16:33:43,402 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-10-15 16:33:43,846 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 34 [2020-10-15 16:33:44,257 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-10-15 16:33:44,998 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2020-10-15 16:33:45,447 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 38 [2020-10-15 16:33:45,925 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 38 [2020-10-15 16:33:46,442 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 39 [2020-10-15 16:33:47,215 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 18 [2020-10-15 16:33:47,676 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-10-15 16:33:49,034 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-10-15 16:33:50,404 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2020-10-15 16:33:51,408 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 33 [2020-10-15 16:33:51,900 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 33 [2020-10-15 16:33:52,577 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 34 [2020-10-15 16:33:54,448 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2020-10-15 16:33:55,138 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2020-10-15 16:33:55,574 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 37 [2020-10-15 16:33:55,857 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 37 [2020-10-15 16:33:56,137 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 38 [2020-10-15 16:33:56,545 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2020-10-15 16:33:57,131 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2020-10-15 16:33:57,515 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 41 [2020-10-15 16:33:58,482 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 41 [2020-10-15 16:33:58,890 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-10-15 16:33:59,325 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 39 [2020-10-15 16:33:59,637 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 39 [2020-10-15 16:33:59,948 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 40 [2020-10-15 16:34:00,497 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-10-15 16:34:00,934 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2020-10-15 16:34:01,453 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 43 [2020-10-15 16:34:02,979 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2020-10-15 16:34:03,546 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2020-10-15 16:34:03,909 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2020-10-15 16:34:04,528 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-10-15 16:34:04,830 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2020-10-15 16:34:05,465 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-10-15 16:34:06,340 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 34 [2020-10-15 16:34:06,880 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-10-15 16:34:07,553 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 37 [2020-10-15 16:34:07,793 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2020-10-15 16:34:08,029 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 38 [2020-10-15 16:34:08,498 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-10-15 16:34:08,953 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2020-10-15 16:34:09,547 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2020-10-15 16:34:10,127 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 39 [2020-10-15 16:34:10,524 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 18 [2020-10-15 16:34:11,046 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2020-10-15 16:34:11,504 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-10-15 16:34:12,617 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2020-10-15 16:34:13,132 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 38 [2020-10-15 16:34:13,714 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 38 [2020-10-15 16:34:14,674 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-10-15 16:34:15,122 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2020-10-15 16:34:15,517 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 37 [2020-10-15 16:34:16,122 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2020-10-15 16:34:17,037 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2020-10-15 16:34:17,501 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-10-15 16:34:17,953 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 31 [2020-10-15 16:34:18,516 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 33 [2020-10-15 16:34:19,220 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 34 [2020-10-15 16:34:19,537 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 36 [2020-10-15 16:34:20,008 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 38 [2020-10-15 16:34:20,487 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 39 [2020-10-15 16:34:21,009 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 35 [2020-10-15 16:34:21,425 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 35 [2020-10-15 16:34:22,032 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 38 [2020-10-15 16:34:22,453 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 38 [2020-10-15 16:34:22,824 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 39 [2020-10-15 16:34:23,325 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2020-10-15 16:34:23,693 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2020-10-15 16:34:24,172 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 41 [2020-10-15 16:34:24,527 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 37 [2020-10-15 16:34:24,803 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 37 [2020-10-15 16:34:25,265 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2020-10-15 16:34:25,634 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2020-10-15 16:34:26,433 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 40 [2020-10-15 16:34:27,308 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2020-10-15 16:34:27,660 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2020-10-15 16:34:27,961 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2020-10-15 16:34:28,645 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2020-10-15 16:34:29,062 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 37 [2020-10-15 16:34:29,829 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 32 [2020-10-15 16:34:30,289 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-10-15 16:34:30,666 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 36 [2020-10-15 16:34:31,477 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 15 [2020-10-15 16:34:31,871 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2020-10-15 16:34:32,256 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2020-10-15 16:34:32,628 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2020-10-15 16:34:33,220 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 36 [2020-10-15 16:34:33,927 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 32 [2020-10-15 16:34:34,384 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2020-10-15 16:34:35,026 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2020-10-15 16:34:35,443 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 36 [2020-10-15 16:34:37,469 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-10-15 16:34:37,983 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 31 [2020-10-15 16:34:40,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:34:40,758 INFO L93 Difference]: Finished difference Result 8849 states and 15716 transitions. [2020-10-15 16:34:40,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 792 states. [2020-10-15 16:34:40,761 INFO L78 Accepts]: Start accepts. Automaton has 65 states. Word has length 144 [2020-10-15 16:34:40,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:34:40,778 INFO L225 Difference]: With dead ends: 8849 [2020-10-15 16:34:40,779 INFO L226 Difference]: Without dead ends: 8849 [2020-10-15 16:34:40,804 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1707 GetRequests, 863 SyntacticMatches, 8 SemanticMatches, 836 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 355734 ImplicationChecksByTransitivity, 172.9s TimeCoverageRelationStatistics Valid=73590, Invalid=627816, Unknown=0, NotChecked=0, Total=701406 [2020-10-15 16:34:40,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8849 states. [2020-10-15 16:34:40,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8849 to 5330. [2020-10-15 16:34:40,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5330 states. [2020-10-15 16:34:40,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5330 states to 5330 states and 9487 transitions. [2020-10-15 16:34:40,907 INFO L78 Accepts]: Start accepts. Automaton has 5330 states and 9487 transitions. Word has length 144 [2020-10-15 16:34:40,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:34:40,907 INFO L481 AbstractCegarLoop]: Abstraction has 5330 states and 9487 transitions. [2020-10-15 16:34:40,907 INFO L482 AbstractCegarLoop]: Interpolant automaton has 65 states. [2020-10-15 16:34:40,907 INFO L276 IsEmpty]: Start isEmpty. Operand 5330 states and 9487 transitions. [2020-10-15 16:34:40,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-10-15 16:34:40,917 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:34:40,917 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 13, 13, 13, 13, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 16:34:41,130 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 16:34:41,131 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 16:34:41,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:34:41,131 INFO L82 PathProgramCache]: Analyzing trace with hash -2099551841, now seen corresponding path program 12 times [2020-10-15 16:34:41,132 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:34:41,132 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780301224] [2020-10-15 16:34:41,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:34:41,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:34:41,914 INFO L134 CoverageAnalysis]: Checked inductivity of 943 backedges. 0 proven. 943 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:34:41,914 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780301224] [2020-10-15 16:34:41,914 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1133087205] [2020-10-15 16:34:41,914 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 16:41:17,902 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2020-10-15 16:41:17,902 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-15 16:41:25,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 551 conjuncts, 99 conjunts are in the unsatisfiable core [2020-10-15 16:41:25,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 16:41:25,172 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 45 [2020-10-15 16:41:25,174 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-10-15 16:41:25,263 INFO L625 ElimStorePlain]: treesize reduction 25, result has 40.5 percent of original size [2020-10-15 16:41:25,268 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:41:25,268 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:20, output treesize:4 [2020-10-15 16:41:25,365 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-10-15 16:41:25,365 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:41:25,378 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:41:25,379 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:41:25,379 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2020-10-15 16:41:25,443 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 16:41:25,443 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:41:25,460 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:41:25,462 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:41:25,462 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:14 [2020-10-15 16:41:25,563 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 16:41:25,606 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:41:25,607 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-10-15 16:41:25,607 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:41:25,693 INFO L625 ElimStorePlain]: treesize reduction 30, result has 53.1 percent of original size [2020-10-15 16:41:25,695 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:41:25,696 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:44, output treesize:20 [2020-10-15 16:41:25,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 16:41:25,776 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 [2020-10-15 16:41:25,776 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:41:25,804 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:41:25,806 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:41:25,806 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:35, output treesize:20 [2020-10-15 16:41:25,906 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2020-10-15 16:41:25,907 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:41:26,001 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:41:26,001 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:41:26,002 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:38, output treesize:14 [2020-10-15 16:41:26,070 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 16:41:26,070 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:41:26,091 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:41:26,093 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:41:26,094 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:14 [2020-10-15 16:41:26,189 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 16:41:26,234 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:41:26,235 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-10-15 16:41:26,235 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 16:41:26,236 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:41:26,337 INFO L625 ElimStorePlain]: treesize reduction 35, result has 53.3 percent of original size [2020-10-15 16:41:26,340 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:41:26,341 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:44, output treesize:20 [2020-10-15 16:41:26,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 16:41:26,433 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2020-10-15 16:41:26,434 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:41:26,462 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:41:26,464 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:41:26,464 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:35, output treesize:20 [2020-10-15 16:41:26,566 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2020-10-15 16:41:26,566 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:41:26,586 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:41:26,586 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:41:26,587 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:38, output treesize:14 [2020-10-15 16:41:26,659 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 16:41:26,660 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:41:26,678 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:41:26,680 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:41:26,680 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:14 [2020-10-15 16:41:26,780 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 16:41:26,826 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:41:26,827 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-10-15 16:41:26,827 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 16:41:26,828 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:41:26,925 INFO L625 ElimStorePlain]: treesize reduction 35, result has 53.3 percent of original size [2020-10-15 16:41:26,928 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:41:26,928 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:44, output treesize:20 [2020-10-15 16:41:27,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 16:41:27,046 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2020-10-15 16:41:27,047 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:41:27,081 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:41:27,083 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:41:27,083 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:35, output treesize:20 [2020-10-15 16:41:27,194 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2020-10-15 16:41:27,195 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:41:27,220 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:41:27,221 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:41:27,221 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:38, output treesize:14 [2020-10-15 16:41:27,301 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 16:41:27,302 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:41:27,319 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:41:27,323 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:41:27,323 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:29, output treesize:9 [2020-10-15 16:41:27,469 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 16:41:27,518 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:41:27,519 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-10-15 16:41:27,520 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 16:41:27,521 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:41:27,611 INFO L625 ElimStorePlain]: treesize reduction 35, result has 50.7 percent of original size [2020-10-15 16:41:27,613 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:41:27,614 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:40, output treesize:16 [2020-10-15 16:41:27,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 16:41:27,708 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 16:41:27,708 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:41:27,732 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:41:27,735 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:41:27,735 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:31, output treesize:16 [2020-10-15 16:41:27,744 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2020-10-15 16:41:27,746 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:41:27,750 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:41:27,751 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:41:27,751 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:1 [2020-10-15 16:41:27,779 INFO L134 CoverageAnalysis]: Checked inductivity of 943 backedges. 554 proven. 54 refuted. 0 times theorem prover too weak. 335 trivial. 0 not checked. [2020-10-15 16:41:27,779 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 16:41:27,779 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19] total 38 [2020-10-15 16:41:27,779 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126981629] [2020-10-15 16:41:27,780 INFO L461 AbstractCegarLoop]: Interpolant automaton has 38 states [2020-10-15 16:41:27,780 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:41:27,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2020-10-15 16:41:27,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=331, Invalid=1075, Unknown=0, NotChecked=0, Total=1406 [2020-10-15 16:41:27,780 INFO L87 Difference]: Start difference. First operand 5330 states and 9487 transitions. Second operand 38 states. [2020-10-15 16:41:51,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:41:51,895 INFO L93 Difference]: Finished difference Result 4989 states and 8764 transitions. [2020-10-15 16:41:51,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 199 states. [2020-10-15 16:41:51,899 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 152 [2020-10-15 16:41:51,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:41:51,909 INFO L225 Difference]: With dead ends: 4989 [2020-10-15 16:41:51,909 INFO L226 Difference]: Without dead ends: 4989 [2020-10-15 16:41:51,912 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 357 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 222 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22159 ImplicationChecksByTransitivity, 18.3s TimeCoverageRelationStatistics Valid=10897, Invalid=39055, Unknown=0, NotChecked=0, Total=49952 [2020-10-15 16:41:51,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4989 states. [2020-10-15 16:41:51,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4989 to 2457. [2020-10-15 16:41:51,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2457 states. [2020-10-15 16:41:51,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2457 states to 2457 states and 4406 transitions. [2020-10-15 16:41:51,966 INFO L78 Accepts]: Start accepts. Automaton has 2457 states and 4406 transitions. Word has length 152 [2020-10-15 16:41:51,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:41:51,967 INFO L481 AbstractCegarLoop]: Abstraction has 2457 states and 4406 transitions. [2020-10-15 16:41:51,967 INFO L482 AbstractCegarLoop]: Interpolant automaton has 38 states. [2020-10-15 16:41:51,967 INFO L276 IsEmpty]: Start isEmpty. Operand 2457 states and 4406 transitions. [2020-10-15 16:41:51,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-10-15 16:41:51,974 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:41:51,974 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 14, 14, 14, 14, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 16:41:52,189 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2020-10-15 16:41:52,190 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 16:41:52,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:41:52,190 INFO L82 PathProgramCache]: Analyzing trace with hash -1155708161, now seen corresponding path program 13 times [2020-10-15 16:41:52,190 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:41:52,190 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6368220] [2020-10-15 16:41:52,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:41:52,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:41:53,047 INFO L134 CoverageAnalysis]: Checked inductivity of 1068 backedges. 0 proven. 1068 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:41:53,048 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6368220] [2020-10-15 16:41:53,048 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1685944070] [2020-10-15 16:41:53,048 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 16:41:53,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:41:53,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 800 conjuncts, 20 conjunts are in the unsatisfiable core [2020-10-15 16:41:53,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 16:41:53,278 INFO L134 CoverageAnalysis]: Checked inductivity of 1068 backedges. 0 proven. 1068 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:41:53,278 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 16:41:53,278 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 21 [2020-10-15 16:41:53,279 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122675478] [2020-10-15 16:41:53,279 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-15 16:41:53,279 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:41:53,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-15 16:41:53,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2020-10-15 16:41:53,280 INFO L87 Difference]: Start difference. First operand 2457 states and 4406 transitions. Second operand 21 states. [2020-10-15 16:41:53,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:41:53,653 INFO L93 Difference]: Finished difference Result 2749 states and 4925 transitions. [2020-10-15 16:41:53,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-15 16:41:53,657 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 160 [2020-10-15 16:41:53,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:41:53,663 INFO L225 Difference]: With dead ends: 2749 [2020-10-15 16:41:53,664 INFO L226 Difference]: Without dead ends: 2749 [2020-10-15 16:41:53,664 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2020-10-15 16:41:53,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2749 states. [2020-10-15 16:41:53,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2749 to 2613. [2020-10-15 16:41:53,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2613 states. [2020-10-15 16:41:53,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2613 states to 2613 states and 4683 transitions. [2020-10-15 16:41:53,700 INFO L78 Accepts]: Start accepts. Automaton has 2613 states and 4683 transitions. Word has length 160 [2020-10-15 16:41:53,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:41:53,700 INFO L481 AbstractCegarLoop]: Abstraction has 2613 states and 4683 transitions. [2020-10-15 16:41:53,700 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-15 16:41:53,700 INFO L276 IsEmpty]: Start isEmpty. Operand 2613 states and 4683 transitions. [2020-10-15 16:41:53,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-10-15 16:41:53,706 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:41:53,706 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 15, 15, 15, 15, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 16:41:53,919 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2020-10-15 16:41:53,919 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 16:41:53,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:41:53,920 INFO L82 PathProgramCache]: Analyzing trace with hash 1290031007, now seen corresponding path program 14 times [2020-10-15 16:41:53,920 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:41:53,920 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522482075] [2020-10-15 16:41:53,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:41:53,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:41:54,759 INFO L134 CoverageAnalysis]: Checked inductivity of 1201 backedges. 0 proven. 1201 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:41:54,759 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522482075] [2020-10-15 16:41:54,759 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [292394099] [2020-10-15 16:41:54,760 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 16:41:55,051 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-10-15 16:41:55,051 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-15 16:41:55,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 836 conjuncts, 21 conjunts are in the unsatisfiable core [2020-10-15 16:41:55,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 16:41:55,098 INFO L134 CoverageAnalysis]: Checked inductivity of 1201 backedges. 0 proven. 1201 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 16:41:55,099 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 16:41:55,099 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 22 [2020-10-15 16:41:55,099 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200462263] [2020-10-15 16:41:55,100 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-15 16:41:55,100 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:41:55,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-15 16:41:55,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=231, Unknown=0, NotChecked=0, Total=462 [2020-10-15 16:41:55,100 INFO L87 Difference]: Start difference. First operand 2613 states and 4683 transitions. Second operand 22 states. [2020-10-15 16:41:55,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 16:41:55,529 INFO L93 Difference]: Finished difference Result 2769 states and 4960 transitions. [2020-10-15 16:41:55,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-15 16:41:55,532 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 168 [2020-10-15 16:41:55,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 16:41:55,535 INFO L225 Difference]: With dead ends: 2769 [2020-10-15 16:41:55,535 INFO L226 Difference]: Without dead ends: 2769 [2020-10-15 16:41:55,535 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=231, Invalid=231, Unknown=0, NotChecked=0, Total=462 [2020-10-15 16:41:55,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2769 states. [2020-10-15 16:41:55,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2769 to 2769. [2020-10-15 16:41:55,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2769 states. [2020-10-15 16:41:55,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2769 states to 2769 states and 4960 transitions. [2020-10-15 16:41:55,570 INFO L78 Accepts]: Start accepts. Automaton has 2769 states and 4960 transitions. Word has length 168 [2020-10-15 16:41:55,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 16:41:55,571 INFO L481 AbstractCegarLoop]: Abstraction has 2769 states and 4960 transitions. [2020-10-15 16:41:55,571 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-15 16:41:55,571 INFO L276 IsEmpty]: Start isEmpty. Operand 2769 states and 4960 transitions. [2020-10-15 16:41:55,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-15 16:41:55,578 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 16:41:55,579 INFO L422 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 16, 16, 16, 16, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 16:41:55,794 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2020-10-15 16:41:55,795 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION, t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 16:41:55,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 16:41:55,795 INFO L82 PathProgramCache]: Analyzing trace with hash 1801593439, now seen corresponding path program 15 times [2020-10-15 16:41:55,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 16:41:55,796 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133281188] [2020-10-15 16:41:55,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 16:41:57,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 16:41:57,573 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 26 [2020-10-15 16:41:58,776 INFO L134 CoverageAnalysis]: Checked inductivity of 1342 backedges. 441 proven. 39 refuted. 0 times theorem prover too weak. 862 trivial. 0 not checked. [2020-10-15 16:41:58,777 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133281188] [2020-10-15 16:41:58,777 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1040070778] [2020-10-15 16:41:58,777 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-15 16:42:05,862 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2020-10-15 16:42:05,862 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-10-15 16:42:05,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 128 conjunts are in the unsatisfiable core [2020-10-15 16:42:05,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-15 16:42:05,918 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 45 [2020-10-15 16:42:05,920 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-10-15 16:42:06,004 INFO L625 ElimStorePlain]: treesize reduction 25, result has 40.5 percent of original size [2020-10-15 16:42:06,009 INFO L545 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:42:06,009 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:20, output treesize:4 [2020-10-15 16:42:06,123 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-10-15 16:42:06,124 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:42:06,138 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:42:06,138 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:42:06,138 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2020-10-15 16:42:06,201 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 16:42:06,201 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:42:06,220 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:42:06,222 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:42:06,222 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:14 [2020-10-15 16:42:06,306 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 16:42:06,350 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:42:06,350 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-10-15 16:42:06,351 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:42:06,457 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 26 [2020-10-15 16:42:06,458 INFO L625 ElimStorePlain]: treesize reduction 30, result has 53.1 percent of original size [2020-10-15 16:42:06,461 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:42:06,461 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:44, output treesize:20 [2020-10-15 16:42:06,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 16:42:06,535 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 [2020-10-15 16:42:06,535 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:42:06,564 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:42:06,566 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:42:06,566 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:35, output treesize:20 [2020-10-15 16:42:06,658 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2020-10-15 16:42:06,658 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:42:06,677 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:42:06,678 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:42:06,678 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:38, output treesize:14 [2020-10-15 16:42:06,688 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 16:42:06,689 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:42:06,706 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:42:06,708 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:42:06,709 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:14 [2020-10-15 16:42:06,811 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 16:42:06,861 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:42:06,862 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 57 [2020-10-15 16:42:06,863 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-10-15 16:42:06,864 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:42:06,966 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 27 [2020-10-15 16:42:06,967 INFO L625 ElimStorePlain]: treesize reduction 35, result has 53.3 percent of original size [2020-10-15 16:42:06,971 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:42:06,971 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:44, output treesize:20 [2020-10-15 16:42:07,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 16:42:07,029 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2020-10-15 16:42:07,029 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:42:07,064 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:42:07,065 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:42:07,066 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:41, output treesize:26 [2020-10-15 16:42:07,193 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 17 [2020-10-15 16:42:07,193 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:42:07,206 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:42:07,207 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:42:07,207 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:37, output treesize:16 [2020-10-15 16:42:07,252 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 16:42:07,253 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:42:07,272 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:42:07,274 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:42:07,275 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:14 [2020-10-15 16:42:07,365 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 16:42:07,412 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:42:07,412 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 49 [2020-10-15 16:42:07,413 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 16:42:07,415 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-10-15 16:42:07,515 INFO L625 ElimStorePlain]: treesize reduction 93, result has 28.5 percent of original size [2020-10-15 16:42:07,517 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:42:07,518 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:41, output treesize:20 [2020-10-15 16:42:07,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 16:42:07,600 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 [2020-10-15 16:42:07,601 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:42:07,630 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:42:07,632 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:42:07,632 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:35, output treesize:20 [2020-10-15 16:42:07,772 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2020-10-15 16:42:07,772 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:42:07,787 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:42:07,788 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:42:07,788 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:14 [2020-10-15 16:42:07,857 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 16:42:07,857 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:42:07,876 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:42:07,878 INFO L545 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:42:07,878 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:14 [2020-10-15 16:42:07,975 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 16:42:08,032 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:42:08,033 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 49 [2020-10-15 16:42:08,034 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 16:42:08,036 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-10-15 16:42:08,131 INFO L625 ElimStorePlain]: treesize reduction 93, result has 28.5 percent of original size [2020-10-15 16:42:08,133 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:42:08,133 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:41, output treesize:20 [2020-10-15 16:42:08,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 16:42:08,227 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 [2020-10-15 16:42:08,228 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:42:08,268 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:42:08,270 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:42:08,271 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:35, output treesize:20 [2020-10-15 16:42:08,430 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2020-10-15 16:42:08,430 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:42:08,444 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:42:08,445 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:42:08,445 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:14 [2020-10-15 16:42:08,524 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 16:42:08,524 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:42:08,544 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:42:08,546 INFO L545 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:42:08,546 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:29, output treesize:9 [2020-10-15 16:42:08,690 INFO L173 IndexEqualityManager]: detected equality via solver [2020-10-15 16:42:08,737 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:42:08,737 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 49 [2020-10-15 16:42:08,738 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-10-15 16:42:08,740 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2020-10-15 16:42:08,827 INFO L625 ElimStorePlain]: treesize reduction 93, result has 26.2 percent of original size [2020-10-15 16:42:08,829 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:42:08,830 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:37, output treesize:16 [2020-10-15 16:42:08,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-10-15 16:42:08,925 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2020-10-15 16:42:08,925 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:42:08,950 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:42:08,952 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:42:08,952 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:31, output treesize:16 [2020-10-15 16:42:08,962 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2020-10-15 16:42:08,964 INFO L545 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-10-15 16:42:08,968 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-10-15 16:42:08,968 INFO L545 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-10-15 16:42:08,968 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:1 [2020-10-15 16:42:09,071 INFO L134 CoverageAnalysis]: Checked inductivity of 1342 backedges. 633 proven. 138 refuted. 0 times theorem prover too weak. 571 trivial. 0 not checked. [2020-10-15 16:42:09,072 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-15 16:42:09,072 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 23] total 37 [2020-10-15 16:42:09,072 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196219971] [2020-10-15 16:42:09,072 INFO L461 AbstractCegarLoop]: Interpolant automaton has 38 states [2020-10-15 16:42:09,072 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 16:42:09,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2020-10-15 16:42:09,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=381, Invalid=1025, Unknown=0, NotChecked=0, Total=1406 [2020-10-15 16:42:09,073 INFO L87 Difference]: Start difference. First operand 2769 states and 4960 transitions. Second operand 38 states. Received shutdown request... [2020-10-15 16:42:09,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-15 16:42:09,887 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2020-10-15 16:42:09,887 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-15 16:42:09,892 WARN L235 ceAbstractionStarter]: Timeout [2020-10-15 16:42:09,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 04:42:09 BasicIcfg [2020-10-15 16:42:09,893 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-15 16:42:09,894 INFO L168 Benchmark]: Toolchain (without parser) took 843969.93 ms. Allocated memory was 251.7 MB in the beginning and 582.5 MB in the end (delta: 330.8 MB). Free memory was 205.9 MB in the beginning and 349.5 MB in the end (delta: -143.6 MB). Peak memory consumption was 187.2 MB. Max. memory is 14.2 GB. [2020-10-15 16:42:09,894 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 251.7 MB. Free memory is still 228.0 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-15 16:42:09,894 INFO L168 Benchmark]: CACSL2BoogieTranslator took 772.73 ms. Allocated memory was 251.7 MB in the beginning and 315.6 MB in the end (delta: 64.0 MB). Free memory was 205.9 MB in the beginning and 243.6 MB in the end (delta: -37.7 MB). Peak memory consumption was 36.3 MB. Max. memory is 14.2 GB. [2020-10-15 16:42:09,895 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.81 ms. Allocated memory is still 315.6 MB. Free memory was 243.6 MB in the beginning and 238.6 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 14.2 GB. [2020-10-15 16:42:09,895 INFO L168 Benchmark]: Boogie Preprocessor took 69.56 ms. Allocated memory is still 315.6 MB. Free memory was 238.6 MB in the beginning and 236.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-15 16:42:09,895 INFO L168 Benchmark]: RCFGBuilder took 749.06 ms. Allocated memory is still 315.6 MB. Free memory was 236.1 MB in the beginning and 193.6 MB in the end (delta: 42.5 MB). Peak memory consumption was 42.5 MB. Max. memory is 14.2 GB. [2020-10-15 16:42:09,895 INFO L168 Benchmark]: TraceAbstraction took 842294.16 ms. Allocated memory was 315.6 MB in the beginning and 582.5 MB in the end (delta: 266.9 MB). Free memory was 193.6 MB in the beginning and 349.5 MB in the end (delta: -155.9 MB). Peak memory consumption was 111.0 MB. Max. memory is 14.2 GB. [2020-10-15 16:42:09,896 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 251.7 MB. Free memory is still 228.0 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 772.73 ms. Allocated memory was 251.7 MB in the beginning and 315.6 MB in the end (delta: 64.0 MB). Free memory was 205.9 MB in the beginning and 243.6 MB in the end (delta: -37.7 MB). Peak memory consumption was 36.3 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 77.81 ms. Allocated memory is still 315.6 MB. Free memory was 243.6 MB in the beginning and 238.6 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 69.56 ms. Allocated memory is still 315.6 MB. Free memory was 238.6 MB in the beginning and 236.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 749.06 ms. Allocated memory is still 315.6 MB. Free memory was 236.1 MB in the beginning and 193.6 MB in the end (delta: 42.5 MB). Peak memory consumption was 42.5 MB. Max. memory is 14.2 GB. * TraceAbstraction took 842294.16 ms. Allocated memory was 315.6 MB in the beginning and 582.5 MB in the end (delta: 266.9 MB). Free memory was 193.6 MB in the beginning and 349.5 MB in the end (delta: -155.9 MB). Peak memory consumption was 111.0 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 6342 VarBasedMoverChecksPositive, 138 VarBasedMoverChecksNegative, 14 SemBasedMoverChecksPositive, 124 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.6s, 540 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 6.3s, 196 PlacesBefore, 53 PlacesAfterwards, 204 TransitionsBefore, 55 TransitionsAfterwards, 9440 CoEnabledTransitionPairs, 7 FixpointIterations, 63 TrivialSequentialCompositions, 92 ConcurrentSequentialCompositions, 4 TrivialYvCompositions, 19 ConcurrentYvCompositions, 6 ChoiceCompositions, 184 TotalNumberOfCompositions, 22061 MoverChecksTotal - TimeoutResultAtElement [Line: 1030]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1030). Cancelled while BasicCegarLoop was constructing difference of abstraction (2769states) and FLOYD_HOARE automaton (currently 5 states, 38 states before enhancement),while ReachableStatesComputation was computing reachable states (23 states constructedinput type IntersectNwa). - TimeoutResultAtElement [Line: 1014]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 1014). Cancelled while BasicCegarLoop was constructing difference of abstraction (2769states) and FLOYD_HOARE automaton (currently 5 states, 38 states before enhancement),while ReachableStatesComputation was computing reachable states (23 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 190 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 842.0s, OverallIterations: 24, TraceHistogramMax: 20, AutomataDifference: 270.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.4s, HoareTripleCheckerStatistics: 844 SDtfs, 13232 SDslu, 5994 SDs, 0 SdLazy, 13720 SolverSat, 9270 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 25.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4854 GetRequests, 2841 SyntacticMatches, 20 SemanticMatches, 1993 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 449523 ImplicationChecksByTransitivity, 238.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5330occurred in iteration=20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 23 MinimizatonAttempts, 12097 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 520.4s SatisfiabilityAnalysisTime, 36.7s InterpolantComputationTime, 4071 NumberOfCodeBlocks, 3696 NumberOfCodeBlocksAsserted, 107 NumberOfCheckSat, 4027 ConstructedInterpolants, 5 QuantifiedInterpolants, 2357374 SizeOfPredicates, 411 NumberOfNonLiveVariables, 8693 ConjunctsInSsa, 883 ConjunctsInUnsatCore, 44 InterpolantComputations, 4 PerfectInterpolantSequences, 5411/18297 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown