/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/queue_ok_longest.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-13 18:17:23,895 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-13 18:17:23,896 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-13 18:17:23,915 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-13 18:17:23,916 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-13 18:17:23,916 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-13 18:17:23,917 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-13 18:17:23,919 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-13 18:17:23,920 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-13 18:17:23,921 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-13 18:17:23,922 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-13 18:17:23,922 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2021-07-13 18:17:23,947 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-13 18:17:23,947 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-13 18:17:23,948 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-13 18:17:23,948 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2021-07-13 18:17:23,964 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-13 18:17:23,964 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-13 18:17:23,964 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-13 18:17:23,964 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-13 18:17:23,965 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-13 18:17:23,965 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-13 18:17:23,965 INFO L138 SettingsManager]: * Use SBE=true [2021-07-13 18:17:23,965 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-13 18:17:23,965 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-13 18:17:23,966 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-13 18:17:23,966 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-13 18:17:23,966 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-13 18:17:23,966 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-13 18:17:23,966 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-13 18:17:23,966 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-13 18:17:23,966 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-13 18:17:23,966 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-13 18:17:23,966 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-13 18:17:23,967 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-13 18:17:23,967 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-13 18:17:23,967 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-13 18:17:23,967 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-13 18:17:23,967 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-13 18:17:23,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-13 18:17:23,967 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-13 18:17:23,967 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-13 18:17:23,968 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-13 18:17:23,968 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-13 18:17:23,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-13 18:17:23,968 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-13 18:17:23,968 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-13 18:17:23,968 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-13 18:17:24,183 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-13 18:17:24,196 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-13 18:17:24,198 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-13 18:17:24,199 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-13 18:17:24,199 INFO L275 PluginConnector]: CDTParser initialized [2021-07-13 18:17:24,200 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue_ok_longest.i [2021-07-13 18:17:24,240 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ceb39c97/1139909cd8d54dd78d614803b7a4740d/FLAG1b7d3e6eb [2021-07-13 18:17:24,658 INFO L306 CDTParser]: Found 1 translation units. [2021-07-13 18:17:24,658 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_ok_longest.i [2021-07-13 18:17:24,672 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ceb39c97/1139909cd8d54dd78d614803b7a4740d/FLAG1b7d3e6eb [2021-07-13 18:17:24,994 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ceb39c97/1139909cd8d54dd78d614803b7a4740d [2021-07-13 18:17:24,998 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-13 18:17:25,000 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-13 18:17:25,001 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-13 18:17:25,002 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-13 18:17:25,004 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-13 18:17:25,005 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 06:17:24" (1/1) ... [2021-07-13 18:17:25,006 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d96d155 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:17:25, skipping insertion in model container [2021-07-13 18:17:25,006 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 06:17:24" (1/1) ... [2021-07-13 18:17:25,010 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-13 18:17:25,037 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-13 18:17:25,320 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_ok_longest.i[43280,43293] [2021-07-13 18:17:25,326 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_ok_longest.i[43553,43566] [2021-07-13 18:17:25,327 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-13 18:17:25,334 INFO L203 MainTranslator]: Completed pre-run [2021-07-13 18:17:25,360 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_ok_longest.i[43280,43293] [2021-07-13 18:17:25,362 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_ok_longest.i[43553,43566] [2021-07-13 18:17:25,364 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-13 18:17:25,404 INFO L208 MainTranslator]: Completed translation [2021-07-13 18:17:25,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:17:25 WrapperNode [2021-07-13 18:17:25,404 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-13 18:17:25,405 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-13 18:17:25,405 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-13 18:17:25,405 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-13 18:17:25,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:17:25" (1/1) ... [2021-07-13 18:17:25,423 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:17:25" (1/1) ... [2021-07-13 18:17:25,443 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-13 18:17:25,444 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-13 18:17:25,444 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-13 18:17:25,444 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-13 18:17:25,449 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:17:25" (1/1) ... [2021-07-13 18:17:25,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:17:25" (1/1) ... [2021-07-13 18:17:25,452 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:17:25" (1/1) ... [2021-07-13 18:17:25,452 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:17:25" (1/1) ... [2021-07-13 18:17:25,458 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:17:25" (1/1) ... [2021-07-13 18:17:25,461 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:17:25" (1/1) ... [2021-07-13 18:17:25,463 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:17:25" (1/1) ... [2021-07-13 18:17:25,465 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-13 18:17:25,466 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-13 18:17:25,466 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-13 18:17:25,466 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-13 18:17:25,467 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:17:25" (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 [2021-07-13 18:17:25,518 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-07-13 18:17:25,518 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-07-13 18:17:25,518 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-07-13 18:17:25,518 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-07-13 18:17:25,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-13 18:17:25,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-13 18:17:25,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-07-13 18:17:25,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-13 18:17:25,518 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-07-13 18:17:25,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-13 18:17:25,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-13 18:17:25,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-13 18:17:25,520 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-13 18:17:25,905 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-13 18:17:25,906 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2021-07-13 18:17:25,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 06:17:25 BoogieIcfgContainer [2021-07-13 18:17:25,907 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-13 18:17:25,908 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-13 18:17:25,908 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-13 18:17:25,910 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-13 18:17:25,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 06:17:24" (1/3) ... [2021-07-13 18:17:25,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5403e26b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 06:17:25, skipping insertion in model container [2021-07-13 18:17:25,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:17:25" (2/3) ... [2021-07-13 18:17:25,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5403e26b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 06:17:25, skipping insertion in model container [2021-07-13 18:17:25,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 06:17:25" (3/3) ... [2021-07-13 18:17:25,912 INFO L111 eAbstractionObserver]: Analyzing ICFG queue_ok_longest.i [2021-07-13 18:17:25,916 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-13 18:17:25,916 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-13 18:17:25,916 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-07-13 18:17:25,916 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-13 18:17:25,943 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,943 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,943 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,943 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,944 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,944 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,944 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,944 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,944 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,944 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,944 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,944 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,945 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,945 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,945 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,945 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,945 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,945 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,945 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,945 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,946 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,946 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,946 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,946 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,946 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,946 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,946 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,946 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,946 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,947 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,947 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,947 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,947 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,947 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,947 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,947 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,947 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,947 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,947 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,947 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,948 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,948 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,948 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,948 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,948 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,948 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,948 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,948 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,948 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,948 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,948 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,948 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,948 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,949 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,949 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,949 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,949 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,949 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,949 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,949 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,949 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,949 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,949 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,949 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,949 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,949 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,950 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,950 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,950 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,950 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,950 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,950 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,950 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,950 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,950 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,950 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,950 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,951 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,951 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,951 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,951 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,951 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,951 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,951 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,951 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,951 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,951 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,952 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,952 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,952 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,952 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,952 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,952 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,952 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,952 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,952 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,952 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,952 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,953 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,953 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,953 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,953 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,953 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,953 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,953 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,953 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,953 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,953 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,953 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,954 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,954 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,954 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,954 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,954 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,954 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,954 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,954 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,954 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,954 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,954 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,955 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,955 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,955 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,955 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,955 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,955 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,955 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,955 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,955 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,955 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,955 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,956 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,956 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,956 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,956 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,956 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,956 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,956 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,956 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,956 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,956 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,956 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,957 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,957 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,957 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,957 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,957 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,957 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,957 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,957 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,957 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,957 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,957 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,957 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,958 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,958 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,958 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,958 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,958 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,958 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,958 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,958 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,958 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,958 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,958 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,959 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,959 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,959 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,959 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,959 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,959 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,959 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,960 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,960 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,960 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,960 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,960 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,960 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,960 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,960 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,960 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,960 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,961 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,961 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,961 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,961 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,961 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,961 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,961 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,961 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,961 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,961 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,962 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,962 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,962 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,962 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,962 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,962 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,962 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,962 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,962 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,962 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,962 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,962 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,963 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,963 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,963 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,963 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,963 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,963 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,963 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,963 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,963 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,963 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,963 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,963 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,963 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,963 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,964 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,964 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,964 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,964 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,964 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,964 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,964 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,964 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,964 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,964 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,964 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,964 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,965 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,965 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,965 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,965 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,965 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,965 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,965 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,965 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,965 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,965 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,965 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,965 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,965 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,966 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,966 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,966 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,966 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,966 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,966 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,966 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,966 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,966 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,966 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,966 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,966 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,967 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,967 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,967 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,967 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,967 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,967 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,967 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,967 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,967 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,967 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,967 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,967 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,968 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,968 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,968 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,968 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,968 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,968 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,968 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,968 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,968 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,968 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,968 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,968 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,969 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,969 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,969 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,969 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,969 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,969 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,969 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,969 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,969 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,969 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,969 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,969 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,969 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,969 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,970 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,970 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,970 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,970 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,970 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,970 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,970 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,970 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,970 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,970 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,970 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,970 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,970 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,970 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,970 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,971 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,971 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,971 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,971 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,971 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,971 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,971 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,971 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,971 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,971 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,971 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,971 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,971 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,972 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,972 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,972 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,972 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,972 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,972 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,972 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,972 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,972 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,972 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,972 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,972 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,972 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,973 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,973 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,973 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,973 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,973 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,973 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,973 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,973 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,973 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,973 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,973 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,973 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,974 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,974 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,974 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,974 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,974 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,974 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,974 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,974 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,974 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,974 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,974 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,974 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,975 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,975 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,975 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,975 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,975 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,975 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,975 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,975 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,975 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,975 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,975 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,975 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,976 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,976 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,976 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,976 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,976 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,976 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,976 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,976 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,976 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,976 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,976 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,976 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,977 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,977 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,977 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,977 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,977 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,977 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,977 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,977 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,977 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,977 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,977 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,977 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,978 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,978 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,978 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,978 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,978 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,978 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,978 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,978 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,979 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,979 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,979 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,979 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,979 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,979 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,979 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,979 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,979 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,979 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,979 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,979 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,979 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,980 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,980 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,980 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,980 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,980 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,980 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,980 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,980 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,980 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,982 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,982 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,982 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,982 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,982 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,982 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,982 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~post42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,982 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~ret56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,982 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,982 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#t~mem43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,983 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~x| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,983 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,983 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~value~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,983 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,983 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,983 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,983 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~post54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,983 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,983 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,983 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,983 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_enqueue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,983 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,983 WARN L313 ript$VariableManager]: TermVariabe |t1Thread1of1ForFork0_#t~nondet55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,986 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~nondet57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,986 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,986 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,987 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,987 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,987 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,987 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,987 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,987 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~post49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,987 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,987 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~mem33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,987 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_empty_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,987 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~i~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,987 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~mem61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,987 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,987 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,988 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,988 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,988 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,988 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#t~mem48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,988 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,988 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,988 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,988 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~ret60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,988 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,988 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#res| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,988 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#t~post58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,988 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,988 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_empty_#t~nondet35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,989 WARN L313 ript$VariableManager]: TermVariabe t2Thread1of1ForFork1_dequeue_~x~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,989 WARN L313 ript$VariableManager]: TermVariabe |t2Thread1of1ForFork1_dequeue_#in~q.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:17:25,994 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-07-13 18:17:26,010 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-07-13 18:17:26,022 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-13 18:17:26,022 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-13 18:17:26,022 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-13 18:17:26,022 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-13 18:17:26,022 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-13 18:17:26,022 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-13 18:17:26,023 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-13 18:17:26,023 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-13 18:17:26,033 INFO L110 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 208 places, 216 transitions, 454 flow [2021-07-13 18:17:26,054 INFO L132 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 348 states, 346 states have (on average 1.7572254335260116) internal successors, (608), 347 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:17:26,056 INFO L276 IsEmpty]: Start isEmpty. Operand has 348 states, 346 states have (on average 1.7572254335260116) internal successors, (608), 347 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:17:26,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-07-13 18:17:26,060 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 18:17:26,061 INFO L508 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 18:17:26,061 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 18:17:26,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 18:17:26,065 INFO L82 PathProgramCache]: Analyzing trace with hash 587458973, now seen corresponding path program 1 times [2021-07-13 18:17:26,070 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 18:17:26,070 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264715369] [2021-07-13 18:17:26,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 18:17:26,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 18:17:26,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 18:17:26,259 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 18:17:26,259 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264715369] [2021-07-13 18:17:26,260 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264715369] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-13 18:17:26,260 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-13 18:17:26,260 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-13 18:17:26,260 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787513238] [2021-07-13 18:17:26,263 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-13 18:17:26,263 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 18:17:26,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-13 18:17:26,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-13 18:17:26,274 INFO L87 Difference]: Start difference. First operand has 348 states, 346 states have (on average 1.7572254335260116) internal successors, (608), 347 states have internal predecessors, (608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:17:26,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 18:17:26,301 INFO L93 Difference]: Finished difference Result 344 states and 597 transitions. [2021-07-13 18:17:26,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 18:17:26,302 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2021-07-13 18:17:26,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 18:17:26,306 INFO L225 Difference]: With dead ends: 344 [2021-07-13 18:17:26,306 INFO L226 Difference]: Without dead ends: 0 [2021-07-13 18:17:26,307 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-13 18:17:26,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-13 18:17:26,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-13 18:17:26,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:17:26,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-13 18:17:26,321 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 48 [2021-07-13 18:17:26,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 18:17:26,322 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-13 18:17:26,322 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:17:26,322 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-13 18:17:26,322 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-13 18:17:26,322 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-13 18:17:26,323 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (1/2) [2021-07-13 18:17:26,324 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-13 18:17:26,329 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-13 18:17:26,329 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-13 18:17:26,330 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-13 18:17:26,330 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-13 18:17:26,330 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-13 18:17:26,330 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-13 18:17:26,330 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-13 18:17:26,330 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == t2Thread1of1ForFork1======== [2021-07-13 18:17:26,338 INFO L110 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 208 places, 216 transitions, 454 flow [2021-07-13 18:17:26,599 INFO L132 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 13217 states, 13216 states have (on average 2.8352754237288136) internal successors, (37471), 13216 states have internal predecessors, (37471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:17:26,637 INFO L276 IsEmpty]: Start isEmpty. Operand has 13217 states, 13216 states have (on average 2.8352754237288136) internal successors, (37471), 13216 states have internal predecessors, (37471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:17:26,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-07-13 18:17:26,670 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 18:17:26,670 INFO L508 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, 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, 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, 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] [2021-07-13 18:17:26,671 INFO L430 AbstractCegarLoop]: === Iteration 1 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 18:17:26,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 18:17:26,677 INFO L82 PathProgramCache]: Analyzing trace with hash 1834205292, now seen corresponding path program 1 times [2021-07-13 18:17:26,677 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 18:17:26,677 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708118928] [2021-07-13 18:17:26,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 18:17:26,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 18:17:26,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 18:17:26,929 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 18:17:26,929 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708118928] [2021-07-13 18:17:26,929 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708118928] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-13 18:17:26,929 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-13 18:17:26,929 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-07-13 18:17:26,929 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911913129] [2021-07-13 18:17:26,930 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-13 18:17:26,931 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 18:17:26,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-13 18:17:26,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2021-07-13 18:17:26,956 INFO L87 Difference]: Start difference. First operand has 13217 states, 13216 states have (on average 2.8352754237288136) internal successors, (37471), 13216 states have internal predecessors, (37471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 12 states, 12 states have (on average 8.833333333333334) internal successors, (106), 12 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:17:27,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 18:17:27,438 INFO L93 Difference]: Finished difference Result 13016 states and 36456 transitions. [2021-07-13 18:17:27,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 18:17:27,438 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.833333333333334) internal successors, (106), 12 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 106 [2021-07-13 18:17:27,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 18:17:27,506 INFO L225 Difference]: With dead ends: 13016 [2021-07-13 18:17:27,506 INFO L226 Difference]: Without dead ends: 13016 [2021-07-13 18:17:27,507 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 257.8ms TimeCoverageRelationStatistics Valid=135, Invalid=285, Unknown=0, NotChecked=0, Total=420 [2021-07-13 18:17:27,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13016 states. [2021-07-13 18:17:27,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13016 to 13016. [2021-07-13 18:17:27,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13016 states, 13015 states have (on average 2.801075681905494) internal successors, (36456), 13015 states have internal predecessors, (36456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:17:27,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13016 states to 13016 states and 36456 transitions. [2021-07-13 18:17:27,936 INFO L78 Accepts]: Start accepts. Automaton has 13016 states and 36456 transitions. Word has length 106 [2021-07-13 18:17:27,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 18:17:27,937 INFO L482 AbstractCegarLoop]: Abstraction has 13016 states and 36456 transitions. [2021-07-13 18:17:27,937 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 8.833333333333334) internal successors, (106), 12 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:17:27,937 INFO L276 IsEmpty]: Start isEmpty. Operand 13016 states and 36456 transitions. [2021-07-13 18:17:27,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-07-13 18:17:27,955 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 18:17:27,955 INFO L508 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, 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, 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, 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] [2021-07-13 18:17:27,955 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-13 18:17:27,956 INFO L430 AbstractCegarLoop]: === Iteration 2 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 18:17:27,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 18:17:27,956 INFO L82 PathProgramCache]: Analyzing trace with hash -631016736, now seen corresponding path program 1 times [2021-07-13 18:17:27,956 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 18:17:27,956 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526156777] [2021-07-13 18:17:27,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 18:17:27,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 18:17:28,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 18:17:28,047 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 18:17:28,047 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526156777] [2021-07-13 18:17:28,047 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526156777] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-13 18:17:28,047 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-13 18:17:28,047 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-13 18:17:28,047 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599999426] [2021-07-13 18:17:28,048 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-13 18:17:28,048 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 18:17:28,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-13 18:17:28,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-13 18:17:28,049 INFO L87 Difference]: Start difference. First operand 13016 states and 36456 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:17:28,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 18:17:28,066 INFO L93 Difference]: Finished difference Result 2575 states and 6245 transitions. [2021-07-13 18:17:28,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-13 18:17:28,067 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 107 [2021-07-13 18:17:28,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 18:17:28,077 INFO L225 Difference]: With dead ends: 2575 [2021-07-13 18:17:28,077 INFO L226 Difference]: Without dead ends: 2456 [2021-07-13 18:17:28,077 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-13 18:17:28,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2456 states. [2021-07-13 18:17:28,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2456 to 2456. [2021-07-13 18:17:28,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2456 states, 2455 states have (on average 2.430142566191446) internal successors, (5966), 2455 states have internal predecessors, (5966), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:17:28,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2456 states to 2456 states and 5966 transitions. [2021-07-13 18:17:28,242 INFO L78 Accepts]: Start accepts. Automaton has 2456 states and 5966 transitions. Word has length 107 [2021-07-13 18:17:28,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 18:17:28,242 INFO L482 AbstractCegarLoop]: Abstraction has 2456 states and 5966 transitions. [2021-07-13 18:17:28,242 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:17:28,242 INFO L276 IsEmpty]: Start isEmpty. Operand 2456 states and 5966 transitions. [2021-07-13 18:17:28,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-07-13 18:17:28,247 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 18:17:28,247 INFO L508 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 18:17:28,247 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-13 18:17:28,247 INFO L430 AbstractCegarLoop]: === Iteration 3 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 18:17:28,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 18:17:28,247 INFO L82 PathProgramCache]: Analyzing trace with hash -772175777, now seen corresponding path program 1 times [2021-07-13 18:17:28,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 18:17:28,248 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568317087] [2021-07-13 18:17:28,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 18:17:28,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 18:17:28,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 18:17:28,308 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 18:17:28,308 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568317087] [2021-07-13 18:17:28,308 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568317087] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-13 18:17:28,308 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-13 18:17:28,309 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-13 18:17:28,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184112193] [2021-07-13 18:17:28,309 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-13 18:17:28,309 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 18:17:28,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-13 18:17:28,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-13 18:17:28,310 INFO L87 Difference]: Start difference. First operand 2456 states and 5966 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:17:28,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 18:17:28,336 INFO L93 Difference]: Finished difference Result 3340 states and 8134 transitions. [2021-07-13 18:17:28,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-13 18:17:28,336 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2021-07-13 18:17:28,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 18:17:28,356 INFO L225 Difference]: With dead ends: 3340 [2021-07-13 18:17:28,356 INFO L226 Difference]: Without dead ends: 3340 [2021-07-13 18:17:28,356 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-13 18:17:28,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3340 states. [2021-07-13 18:17:28,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3340 to 2482. [2021-07-13 18:17:28,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2482 states, 2481 states have (on average 2.430068520757759) internal successors, (6029), 2481 states have internal predecessors, (6029), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:17:28,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2482 states to 2482 states and 6029 transitions. [2021-07-13 18:17:28,407 INFO L78 Accepts]: Start accepts. Automaton has 2482 states and 6029 transitions. Word has length 117 [2021-07-13 18:17:28,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 18:17:28,408 INFO L482 AbstractCegarLoop]: Abstraction has 2482 states and 6029 transitions. [2021-07-13 18:17:28,409 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:17:28,409 INFO L276 IsEmpty]: Start isEmpty. Operand 2482 states and 6029 transitions. [2021-07-13 18:17:28,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-07-13 18:17:28,413 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 18:17:28,413 INFO L508 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 18:17:28,413 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-13 18:17:28,414 INFO L430 AbstractCegarLoop]: === Iteration 4 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 18:17:28,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 18:17:28,414 INFO L82 PathProgramCache]: Analyzing trace with hash 809591043, now seen corresponding path program 1 times [2021-07-13 18:17:28,416 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 18:17:28,416 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979480985] [2021-07-13 18:17:28,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 18:17:28,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 18:17:28,485 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 18:17:28,485 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 18:17:28,485 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979480985] [2021-07-13 18:17:28,485 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979480985] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 18:17:28,485 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [814816555] [2021-07-13 18:17:28,485 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 [2021-07-13 18:17:28,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 18:17:28,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 2 conjunts are in the unsatisfiable core [2021-07-13 18:17:28,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 18:17:28,825 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-13 18:17:28,830 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:17:28,831 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:17:28,832 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:17:28,832 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2021-07-13 18:17:28,943 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 18:17:28,944 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [814816555] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-13 18:17:28,944 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-07-13 18:17:28,944 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2021-07-13 18:17:28,944 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982923167] [2021-07-13 18:17:28,945 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-13 18:17:28,945 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 18:17:28,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-13 18:17:28,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-07-13 18:17:28,946 INFO L87 Difference]: Start difference. First operand 2482 states and 6029 transitions. Second operand has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:17:28,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 18:17:28,964 INFO L93 Difference]: Finished difference Result 1906 states and 4405 transitions. [2021-07-13 18:17:28,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-13 18:17:28,965 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 146 [2021-07-13 18:17:28,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 18:17:28,969 INFO L225 Difference]: With dead ends: 1906 [2021-07-13 18:17:28,969 INFO L226 Difference]: Without dead ends: 1874 [2021-07-13 18:17:28,969 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 12.0ms TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-07-13 18:17:28,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1874 states. [2021-07-13 18:17:29,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1874 to 1874. [2021-07-13 18:17:29,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1874 states, 1873 states have (on average 2.3091297383876133) internal successors, (4325), 1873 states have internal predecessors, (4325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:17:29,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1874 states to 1874 states and 4325 transitions. [2021-07-13 18:17:29,007 INFO L78 Accepts]: Start accepts. Automaton has 1874 states and 4325 transitions. Word has length 146 [2021-07-13 18:17:29,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 18:17:29,008 INFO L482 AbstractCegarLoop]: Abstraction has 1874 states and 4325 transitions. [2021-07-13 18:17:29,008 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 48.666666666666664) internal successors, (146), 3 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:17:29,008 INFO L276 IsEmpty]: Start isEmpty. Operand 1874 states and 4325 transitions. [2021-07-13 18:17:29,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-07-13 18:17:29,013 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 18:17:29,013 INFO L508 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, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 18:17:29,231 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 18:17:29,231 INFO L430 AbstractCegarLoop]: === Iteration 5 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 18:17:29,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 18:17:29,231 INFO L82 PathProgramCache]: Analyzing trace with hash -1707580655, now seen corresponding path program 1 times [2021-07-13 18:17:29,231 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 18:17:29,231 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618234407] [2021-07-13 18:17:29,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 18:17:29,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 18:17:29,297 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 18:17:29,297 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 18:17:29,297 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618234407] [2021-07-13 18:17:29,297 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618234407] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 18:17:29,297 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2130165534] [2021-07-13 18:17:29,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-07-13 18:17:29,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 18:17:29,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 4 conjunts are in the unsatisfiable core [2021-07-13 18:17:29,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 18:17:29,626 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 18:17:29,627 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2130165534] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 18:17:29,627 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 18:17:29,627 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-07-13 18:17:29,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016936487] [2021-07-13 18:17:29,627 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-13 18:17:29,627 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 18:17:29,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-13 18:17:29,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-07-13 18:17:29,628 INFO L87 Difference]: Start difference. First operand 1874 states and 4325 transitions. Second operand has 7 states, 7 states have (on average 26.285714285714285) internal successors, (184), 7 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:17:29,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 18:17:29,672 INFO L93 Difference]: Finished difference Result 3098 states and 7149 transitions. [2021-07-13 18:17:29,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 18:17:29,673 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 26.285714285714285) internal successors, (184), 7 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 147 [2021-07-13 18:17:29,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 18:17:29,679 INFO L225 Difference]: With dead ends: 3098 [2021-07-13 18:17:29,679 INFO L226 Difference]: Without dead ends: 3098 [2021-07-13 18:17:29,679 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 22.7ms TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-07-13 18:17:29,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3098 states. [2021-07-13 18:17:29,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3098 to 2504. [2021-07-13 18:17:29,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2504 states, 2503 states have (on average 2.308429884139033) internal successors, (5778), 2503 states have internal predecessors, (5778), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:17:29,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2504 states to 2504 states and 5778 transitions. [2021-07-13 18:17:29,736 INFO L78 Accepts]: Start accepts. Automaton has 2504 states and 5778 transitions. Word has length 147 [2021-07-13 18:17:29,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 18:17:29,737 INFO L482 AbstractCegarLoop]: Abstraction has 2504 states and 5778 transitions. [2021-07-13 18:17:29,737 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 26.285714285714285) internal successors, (184), 7 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:17:29,737 INFO L276 IsEmpty]: Start isEmpty. Operand 2504 states and 5778 transitions. [2021-07-13 18:17:29,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-07-13 18:17:29,742 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 18:17:29,742 INFO L508 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 18:17:29,959 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 18:17:29,959 INFO L430 AbstractCegarLoop]: === Iteration 6 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 18:17:29,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 18:17:29,960 INFO L82 PathProgramCache]: Analyzing trace with hash -2056034289, now seen corresponding path program 2 times [2021-07-13 18:17:29,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 18:17:29,960 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322979436] [2021-07-13 18:17:29,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 18:17:29,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 18:17:30,053 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 18:17:30,054 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 18:17:30,054 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322979436] [2021-07-13 18:17:30,054 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322979436] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 18:17:30,054 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [120767881] [2021-07-13 18:17:30,054 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 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 [2021-07-13 18:17:30,203 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 18:17:30,204 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 18:17:30,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-13 18:17:30,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 18:17:30,446 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 18:17:30,446 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [120767881] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 18:17:30,447 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 18:17:30,447 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-07-13 18:17:30,447 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046297119] [2021-07-13 18:17:30,447 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-13 18:17:30,447 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 18:17:30,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-13 18:17:30,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-07-13 18:17:30,448 INFO L87 Difference]: Start difference. First operand 2504 states and 5778 transitions. Second operand has 9 states, 9 states have (on average 23.666666666666668) internal successors, (213), 9 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:17:30,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 18:17:30,507 INFO L93 Difference]: Finished difference Result 3728 states and 8602 transitions. [2021-07-13 18:17:30,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 18:17:30,508 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 23.666666666666668) internal successors, (213), 9 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 176 [2021-07-13 18:17:30,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 18:17:30,514 INFO L225 Difference]: With dead ends: 3728 [2021-07-13 18:17:30,515 INFO L226 Difference]: Without dead ends: 3728 [2021-07-13 18:17:30,515 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 41.7ms TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2021-07-13 18:17:30,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3728 states. [2021-07-13 18:17:30,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3728 to 3134. [2021-07-13 18:17:30,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3134 states, 3133 states have (on average 2.3080114905841045) internal successors, (7231), 3133 states have internal predecessors, (7231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:17:30,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3134 states to 3134 states and 7231 transitions. [2021-07-13 18:17:30,573 INFO L78 Accepts]: Start accepts. Automaton has 3134 states and 7231 transitions. Word has length 176 [2021-07-13 18:17:30,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 18:17:30,573 INFO L482 AbstractCegarLoop]: Abstraction has 3134 states and 7231 transitions. [2021-07-13 18:17:30,573 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 23.666666666666668) internal successors, (213), 9 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:17:30,573 INFO L276 IsEmpty]: Start isEmpty. Operand 3134 states and 7231 transitions. [2021-07-13 18:17:30,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-07-13 18:17:30,579 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 18:17:30,580 INFO L508 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 18:17:30,786 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 18:17:30,786 INFO L430 AbstractCegarLoop]: === Iteration 7 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 18:17:30,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 18:17:30,786 INFO L82 PathProgramCache]: Analyzing trace with hash 1712925649, now seen corresponding path program 3 times [2021-07-13 18:17:30,786 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 18:17:30,787 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833494324] [2021-07-13 18:17:30,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 18:17:30,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 18:17:30,868 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 18:17:30,868 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 18:17:30,868 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833494324] [2021-07-13 18:17:30,868 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833494324] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 18:17:30,868 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2009249656] [2021-07-13 18:17:30,868 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 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 [2021-07-13 18:17:31,070 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-13 18:17:31,070 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 18:17:31,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 34 conjunts are in the unsatisfiable core [2021-07-13 18:17:31,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 18:17:31,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2021-07-13 18:17:31,095 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:17:31,096 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:17:31,096 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:17:31,097 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2021-07-13 18:17:31,127 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-07-13 18:17:31,127 INFO L388 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 11 treesize of output 11 [2021-07-13 18:17:31,129 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:17:31,130 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:17:31,130 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:17:31,130 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:4 [2021-07-13 18:17:31,257 INFO L388 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 [2021-07-13 18:17:31,258 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:17:31,260 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:17:31,261 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:17:31,261 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2021-07-13 18:17:31,302 INFO L388 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 [2021-07-13 18:17:31,304 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:17:31,308 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:17:31,309 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:17:31,309 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:29, output treesize:9 [2021-07-13 18:17:31,383 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 18:17:31,391 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-07-13 18:17:31,391 INFO L388 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 27 [2021-07-13 18:17:31,392 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:17:31,399 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:17:31,401 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:17:31,401 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:40, output treesize:16 [2021-07-13 18:17:31,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 18:17:31,424 INFO L388 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 [2021-07-13 18:17:31,425 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:17:31,430 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:17:31,432 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:17:31,432 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:31, output treesize:16 [2021-07-13 18:17:31,441 INFO L388 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 [2021-07-13 18:17:31,442 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:17:31,443 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:17:31,443 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:17:31,443 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:3 [2021-07-13 18:17:31,494 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 44 proven. 41 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-13 18:17:31,494 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2009249656] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 18:17:31,494 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 18:17:31,494 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 12] total 19 [2021-07-13 18:17:31,494 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752879830] [2021-07-13 18:17:31,495 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-13 18:17:31,495 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 18:17:31,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-13 18:17:31,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2021-07-13 18:17:31,496 INFO L87 Difference]: Start difference. First operand 3134 states and 7231 transitions. Second operand has 19 states, 19 states have (on average 18.0) internal successors, (342), 19 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:17:32,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 18:17:32,795 INFO L93 Difference]: Finished difference Result 7522 states and 17345 transitions. [2021-07-13 18:17:32,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-07-13 18:17:32,796 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 18.0) internal successors, (342), 19 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 205 [2021-07-13 18:17:32,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 18:17:32,814 INFO L225 Difference]: With dead ends: 7522 [2021-07-13 18:17:32,814 INFO L226 Difference]: Without dead ends: 7522 [2021-07-13 18:17:32,815 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1201 ImplicationChecksByTransitivity, 816.6ms TimeCoverageRelationStatistics Valid=979, Invalid=3053, Unknown=0, NotChecked=0, Total=4032 [2021-07-13 18:17:32,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7522 states. [2021-07-13 18:17:32,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7522 to 5384. [2021-07-13 18:17:32,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5384 states, 5383 states have (on average 2.302062047185584) internal successors, (12392), 5383 states have internal predecessors, (12392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:17:32,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5384 states to 5384 states and 12392 transitions. [2021-07-13 18:17:32,924 INFO L78 Accepts]: Start accepts. Automaton has 5384 states and 12392 transitions. Word has length 205 [2021-07-13 18:17:32,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 18:17:32,924 INFO L482 AbstractCegarLoop]: Abstraction has 5384 states and 12392 transitions. [2021-07-13 18:17:32,924 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 18.0) internal successors, (342), 19 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:17:32,925 INFO L276 IsEmpty]: Start isEmpty. Operand 5384 states and 12392 transitions. [2021-07-13 18:17:32,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2021-07-13 18:17:32,935 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 18:17:32,935 INFO L508 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 18:17:33,154 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 18:17:33,154 INFO L430 AbstractCegarLoop]: === Iteration 8 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 18:17:33,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 18:17:33,155 INFO L82 PathProgramCache]: Analyzing trace with hash 2031920522, now seen corresponding path program 1 times [2021-07-13 18:17:33,155 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 18:17:33,155 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877698176] [2021-07-13 18:17:33,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 18:17:33,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 18:17:33,262 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 18:17:33,262 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 18:17:33,262 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877698176] [2021-07-13 18:17:33,262 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877698176] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 18:17:33,262 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1997826306] [2021-07-13 18:17:33,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-07-13 18:17:33,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 18:17:33,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-13 18:17:33,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 18:17:33,676 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 18:17:33,676 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1997826306] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 18:17:33,676 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 18:17:33,676 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 13 [2021-07-13 18:17:33,676 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684246572] [2021-07-13 18:17:33,677 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-13 18:17:33,677 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 18:17:33,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-13 18:17:33,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-07-13 18:17:33,677 INFO L87 Difference]: Start difference. First operand 5384 states and 12392 transitions. Second operand has 13 states, 13 states have (on average 21.153846153846153) internal successors, (275), 13 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:17:33,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 18:17:33,777 INFO L93 Difference]: Finished difference Result 7544 states and 17348 transitions. [2021-07-13 18:17:33,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 18:17:33,778 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 21.153846153846153) internal successors, (275), 13 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 238 [2021-07-13 18:17:33,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 18:17:33,792 INFO L225 Difference]: With dead ends: 7544 [2021-07-13 18:17:33,792 INFO L226 Difference]: Without dead ends: 7544 [2021-07-13 18:17:33,792 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 76.3ms TimeCoverageRelationStatistics Valid=139, Invalid=281, Unknown=0, NotChecked=0, Total=420 [2021-07-13 18:17:33,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7544 states. [2021-07-13 18:17:33,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7544 to 6500. [2021-07-13 18:17:33,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6500 states, 6499 states have (on average 2.3006616402523465) internal successors, (14952), 6499 states have internal predecessors, (14952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:17:33,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6500 states to 6500 states and 14952 transitions. [2021-07-13 18:17:33,898 INFO L78 Accepts]: Start accepts. Automaton has 6500 states and 14952 transitions. Word has length 238 [2021-07-13 18:17:33,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 18:17:33,898 INFO L482 AbstractCegarLoop]: Abstraction has 6500 states and 14952 transitions. [2021-07-13 18:17:33,899 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 21.153846153846153) internal successors, (275), 13 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:17:33,899 INFO L276 IsEmpty]: Start isEmpty. Operand 6500 states and 14952 transitions. [2021-07-13 18:17:33,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2021-07-13 18:17:33,916 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 18:17:33,917 INFO L508 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 18:17:34,132 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 18:17:34,133 INFO L430 AbstractCegarLoop]: === Iteration 9 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 18:17:34,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 18:17:34,133 INFO L82 PathProgramCache]: Analyzing trace with hash -982607545, now seen corresponding path program 2 times [2021-07-13 18:17:34,133 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 18:17:34,133 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110185234] [2021-07-13 18:17:34,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 18:17:34,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 18:17:34,242 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 0 proven. 287 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 18:17:34,242 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 18:17:34,242 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110185234] [2021-07-13 18:17:34,242 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110185234] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 18:17:34,243 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [523767608] [2021-07-13 18:17:34,243 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 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 [2021-07-13 18:17:34,387 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 18:17:34,387 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 18:17:34,390 INFO L263 TraceCheckSpWp]: Trace formula consists of 536 conjuncts, 12 conjunts are in the unsatisfiable core [2021-07-13 18:17:34,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 18:17:34,692 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 0 proven. 287 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 18:17:34,692 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [523767608] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 18:17:34,692 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 18:17:34,692 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 15 [2021-07-13 18:17:34,693 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542052091] [2021-07-13 18:17:34,693 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-13 18:17:34,693 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 18:17:34,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-13 18:17:34,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2021-07-13 18:17:34,694 INFO L87 Difference]: Start difference. First operand 6500 states and 14952 transitions. Second operand has 15 states, 15 states have (on average 20.533333333333335) internal successors, (308), 15 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:17:34,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 18:17:34,861 INFO L93 Difference]: Finished difference Result 8660 states and 19908 transitions. [2021-07-13 18:17:34,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 18:17:34,861 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 20.533333333333335) internal successors, (308), 15 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 271 [2021-07-13 18:17:34,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 18:17:34,876 INFO L225 Difference]: With dead ends: 8660 [2021-07-13 18:17:34,876 INFO L226 Difference]: Without dead ends: 8660 [2021-07-13 18:17:34,877 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 270 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 104.7ms TimeCoverageRelationStatistics Valid=196, Invalid=404, Unknown=0, NotChecked=0, Total=600 [2021-07-13 18:17:34,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8660 states. [2021-07-13 18:17:34,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8660 to 7616. [2021-07-13 18:17:34,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7616 states, 7615 states have (on average 2.299671700590939) internal successors, (17512), 7615 states have internal predecessors, (17512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:17:35,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7616 states to 7616 states and 17512 transitions. [2021-07-13 18:17:35,014 INFO L78 Accepts]: Start accepts. Automaton has 7616 states and 17512 transitions. Word has length 271 [2021-07-13 18:17:35,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 18:17:35,015 INFO L482 AbstractCegarLoop]: Abstraction has 7616 states and 17512 transitions. [2021-07-13 18:17:35,015 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 20.533333333333335) internal successors, (308), 15 states have internal predecessors, (308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:17:35,015 INFO L276 IsEmpty]: Start isEmpty. Operand 7616 states and 17512 transitions. [2021-07-13 18:17:35,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2021-07-13 18:17:35,029 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 18:17:35,030 INFO L508 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 18:17:35,251 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 18:17:35,251 INFO L430 AbstractCegarLoop]: === Iteration 10 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 18:17:35,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 18:17:35,251 INFO L82 PathProgramCache]: Analyzing trace with hash -1282714235, now seen corresponding path program 3 times [2021-07-13 18:17:35,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 18:17:35,252 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981668526] [2021-07-13 18:17:35,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 18:17:35,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 18:17:35,402 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 0 proven. 429 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 18:17:35,402 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 18:17:35,402 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981668526] [2021-07-13 18:17:35,402 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981668526] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 18:17:35,402 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [945209152] [2021-07-13 18:17:35,402 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 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 [2021-07-13 18:17:35,674 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-13 18:17:35,674 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 18:17:35,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 52 conjunts are in the unsatisfiable core [2021-07-13 18:17:35,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 18:17:35,702 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2021-07-13 18:17:35,703 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:17:35,704 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:17:35,704 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:17:35,704 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2021-07-13 18:17:35,722 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-07-13 18:17:35,722 INFO L388 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 11 treesize of output 11 [2021-07-13 18:17:35,724 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:17:35,725 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:17:35,726 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:17:35,726 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:4 [2021-07-13 18:17:35,942 INFO L388 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 [2021-07-13 18:17:35,943 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:17:35,945 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:17:35,946 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:17:35,946 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:14 [2021-07-13 18:17:35,978 INFO L388 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 [2021-07-13 18:17:35,980 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:17:35,984 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:17:35,985 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:17:35,985 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:14 [2021-07-13 18:17:36,068 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 18:17:36,074 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-07-13 18:17:36,074 INFO L388 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 27 [2021-07-13 18:17:36,076 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:17:36,088 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:17:36,090 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:17:36,090 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:44, output treesize:20 [2021-07-13 18:17:36,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 18:17:36,122 INFO L388 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 [2021-07-13 18:17:36,123 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:17:36,129 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:17:36,130 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:17:36,130 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:35, output treesize:20 [2021-07-13 18:17:36,211 INFO L388 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 [2021-07-13 18:17:36,213 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:17:36,217 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:17:36,218 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:17:36,218 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:38, output treesize:14 [2021-07-13 18:17:36,253 INFO L388 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 [2021-07-13 18:17:36,255 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:17:36,259 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:17:36,260 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:17:36,261 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:29, output treesize:9 [2021-07-13 18:17:36,339 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 18:17:36,348 INFO L354 Elim1Store]: treesize reduction 23, result has 28.1 percent of original size [2021-07-13 18:17:36,348 INFO L388 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 27 [2021-07-13 18:17:36,350 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:17:36,354 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:17:36,356 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:17:36,356 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:37, output treesize:16 [2021-07-13 18:17:36,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 18:17:36,368 INFO L388 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 [2021-07-13 18:17:36,369 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:17:36,373 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:17:36,374 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:17:36,374 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:31, output treesize:16 [2021-07-13 18:17:36,384 INFO L388 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 [2021-07-13 18:17:36,385 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:17:36,387 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:17:36,388 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:17:36,388 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:3 [2021-07-13 18:17:36,448 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 219 proven. 112 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2021-07-13 18:17:36,448 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [945209152] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 18:17:36,448 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 18:17:36,448 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 18] total 31 [2021-07-13 18:17:36,448 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738251079] [2021-07-13 18:17:36,449 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-13 18:17:36,449 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 18:17:36,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-13 18:17:36,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=791, Unknown=0, NotChecked=0, Total=930 [2021-07-13 18:17:36,450 INFO L87 Difference]: Start difference. First operand 7616 states and 17512 transitions. Second operand has 31 states, 31 states have (on average 15.387096774193548) internal successors, (477), 31 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:17:40,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 18:17:40,641 INFO L93 Difference]: Finished difference Result 15670 states and 36047 transitions. [2021-07-13 18:17:40,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2021-07-13 18:17:40,642 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 15.387096774193548) internal successors, (477), 31 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 300 [2021-07-13 18:17:40,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 18:17:40,674 INFO L225 Difference]: With dead ends: 15670 [2021-07-13 18:17:40,675 INFO L226 Difference]: Without dead ends: 15670 [2021-07-13 18:17:40,680 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 443 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 157 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9915 ImplicationChecksByTransitivity, 3213.4ms TimeCoverageRelationStatistics Valid=4905, Invalid=20217, Unknown=0, NotChecked=0, Total=25122 [2021-07-13 18:17:40,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15670 states. [2021-07-13 18:17:40,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15670 to 11985. [2021-07-13 18:17:40,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11985 states, 11984 states have (on average 2.294809746328438) internal successors, (27501), 11984 states have internal predecessors, (27501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:17:40,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11985 states to 11985 states and 27501 transitions. [2021-07-13 18:17:40,899 INFO L78 Accepts]: Start accepts. Automaton has 11985 states and 27501 transitions. Word has length 300 [2021-07-13 18:17:40,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 18:17:40,900 INFO L482 AbstractCegarLoop]: Abstraction has 11985 states and 27501 transitions. [2021-07-13 18:17:40,900 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 15.387096774193548) internal successors, (477), 31 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:17:40,900 INFO L276 IsEmpty]: Start isEmpty. Operand 11985 states and 27501 transitions. [2021-07-13 18:17:40,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2021-07-13 18:17:40,923 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 18:17:40,923 INFO L508 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 18:17:41,136 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 18:17:41,137 INFO L430 AbstractCegarLoop]: === Iteration 11 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 18:17:41,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 18:17:41,137 INFO L82 PathProgramCache]: Analyzing trace with hash -732446895, now seen corresponding path program 4 times [2021-07-13 18:17:41,137 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 18:17:41,138 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903336692] [2021-07-13 18:17:41,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 18:17:41,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 18:17:41,295 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 0 proven. 616 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 18:17:41,295 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 18:17:41,295 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903336692] [2021-07-13 18:17:41,295 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903336692] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 18:17:41,295 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [52434218] [2021-07-13 18:17:41,295 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 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 [2021-07-13 18:17:41,902 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-13 18:17:41,902 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 18:17:41,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 646 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-13 18:17:41,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 18:17:42,254 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 0 proven. 616 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 18:17:42,255 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [52434218] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 18:17:42,255 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 18:17:42,255 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 19 [2021-07-13 18:17:42,256 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180868430] [2021-07-13 18:17:42,256 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-13 18:17:42,256 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 18:17:42,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-13 18:17:42,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2021-07-13 18:17:42,257 INFO L87 Difference]: Start difference. First operand 11985 states and 27501 transitions. Second operand has 19 states, 19 states have (on average 19.68421052631579) internal successors, (374), 19 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:17:42,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 18:17:42,466 INFO L93 Difference]: Finished difference Result 15297 states and 35081 transitions. [2021-07-13 18:17:42,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-07-13 18:17:42,467 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 19.68421052631579) internal successors, (374), 19 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 337 [2021-07-13 18:17:42,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 18:17:42,494 INFO L225 Difference]: With dead ends: 15297 [2021-07-13 18:17:42,494 INFO L226 Difference]: Without dead ends: 15297 [2021-07-13 18:17:42,494 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 367 GetRequests, 336 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 171.3ms TimeCoverageRelationStatistics Valid=340, Invalid=716, Unknown=0, NotChecked=0, Total=1056 [2021-07-13 18:17:42,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15297 states. [2021-07-13 18:17:42,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15297 to 13695. [2021-07-13 18:17:42,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13695 states, 13694 states have (on average 2.293997371111436) internal successors, (31414), 13694 states have internal predecessors, (31414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:17:42,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13695 states to 13695 states and 31414 transitions. [2021-07-13 18:17:42,744 INFO L78 Accepts]: Start accepts. Automaton has 13695 states and 31414 transitions. Word has length 337 [2021-07-13 18:17:42,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 18:17:42,745 INFO L482 AbstractCegarLoop]: Abstraction has 13695 states and 31414 transitions. [2021-07-13 18:17:42,745 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 19.68421052631579) internal successors, (374), 19 states have internal predecessors, (374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:17:42,745 INFO L276 IsEmpty]: Start isEmpty. Operand 13695 states and 31414 transitions. [2021-07-13 18:17:42,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2021-07-13 18:17:42,767 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 18:17:42,767 INFO L508 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 18:17:42,985 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-07-13 18:17:42,986 INFO L430 AbstractCegarLoop]: === Iteration 12 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 18:17:42,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 18:17:42,986 INFO L82 PathProgramCache]: Analyzing trace with hash 456225807, now seen corresponding path program 5 times [2021-07-13 18:17:42,986 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 18:17:42,986 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247080571] [2021-07-13 18:17:42,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 18:17:43,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 18:17:43,137 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 0 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 18:17:43,137 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 18:17:43,137 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247080571] [2021-07-13 18:17:43,137 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247080571] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 18:17:43,137 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1068844742] [2021-07-13 18:17:43,138 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 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 [2021-07-13 18:17:44,438 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-07-13 18:17:44,438 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 18:17:44,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 134 conjunts are in the unsatisfiable core [2021-07-13 18:17:44,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 18:17:44,616 INFO L388 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 [2021-07-13 18:17:44,617 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:17:44,618 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:17:44,619 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:17:44,619 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:9 [2021-07-13 18:17:44,648 INFO L354 Elim1Store]: treesize reduction 25, result has 47.9 percent of original size [2021-07-13 18:17:44,649 INFO L388 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 38 [2021-07-13 18:17:44,657 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:17:44,663 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:17:44,684 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-07-13 18:17:44,685 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:23 [2021-07-13 18:17:45,011 INFO L354 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2021-07-13 18:17:45,012 INFO L388 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 34 [2021-07-13 18:17:45,015 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:17:45,019 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 18:17:45,031 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-07-13 18:17:45,031 INFO L388 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 27 [2021-07-13 18:17:45,034 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 18:17:45,056 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:17:45,061 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-07-13 18:17:45,061 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:96, output treesize:48 [2021-07-13 18:17:45,110 INFO L388 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 [2021-07-13 18:17:45,110 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:17:45,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 18:17:45,115 INFO L388 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 [2021-07-13 18:17:45,117 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 18:17:45,133 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:17:45,134 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-07-13 18:17:45,134 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2021-07-13 18:17:45,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 18:17:45,278 INFO L388 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 [2021-07-13 18:17:45,279 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:17:45,282 INFO L388 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 [2021-07-13 18:17:45,283 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 18:17:45,289 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:17:45,290 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-07-13 18:17:45,290 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:78, output treesize:35 [2021-07-13 18:17:45,357 INFO L388 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 [2021-07-13 18:17:45,358 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:17:45,379 INFO L354 Elim1Store]: treesize reduction 25, result has 47.9 percent of original size [2021-07-13 18:17:45,380 INFO L388 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 38 [2021-07-13 18:17:45,382 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 18:17:45,398 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:17:45,402 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2021-07-13 18:17:45,403 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:66, output treesize:48 [2021-07-13 18:17:45,698 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 18:17:45,699 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 18:17:45,707 INFO L354 Elim1Store]: treesize reduction 23, result has 28.1 percent of original size [2021-07-13 18:17:45,708 INFO L388 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 27 [2021-07-13 18:17:45,709 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:17:45,720 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-07-13 18:17:45,720 INFO L388 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 30 [2021-07-13 18:17:45,723 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-07-13 18:17:45,741 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:17:45,745 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-07-13 18:17:45,746 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:90, output treesize:48 [2021-07-13 18:17:45,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 18:17:45,816 INFO L388 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 [2021-07-13 18:17:45,817 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:17:45,821 INFO L388 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 [2021-07-13 18:17:45,822 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 18:17:45,837 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:17:45,838 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-07-13 18:17:45,838 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2021-07-13 18:17:46,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 18:17:46,002 INFO L388 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 [2021-07-13 18:17:46,003 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:17:46,004 INFO L388 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 [2021-07-13 18:17:46,005 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 18:17:46,011 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:17:46,012 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-07-13 18:17:46,012 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:78, output treesize:35 [2021-07-13 18:17:46,083 INFO L354 Elim1Store]: treesize reduction 25, result has 47.9 percent of original size [2021-07-13 18:17:46,083 INFO L388 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 38 [2021-07-13 18:17:46,089 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:17:46,093 INFO L388 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 [2021-07-13 18:17:46,093 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 18:17:46,107 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:17:46,109 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2021-07-13 18:17:46,109 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:66, output treesize:48 [2021-07-13 18:17:46,379 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-07-13 18:17:46,379 INFO L388 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 30 [2021-07-13 18:17:46,382 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-13 18:17:46,385 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 18:17:46,393 INFO L354 Elim1Store]: treesize reduction 23, result has 28.1 percent of original size [2021-07-13 18:17:46,393 INFO L388 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 27 [2021-07-13 18:17:46,394 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 18:17:46,412 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:17:46,423 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-07-13 18:17:46,423 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:90, output treesize:48 [2021-07-13 18:17:46,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 18:17:46,502 INFO L388 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 [2021-07-13 18:17:46,503 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:17:46,506 INFO L388 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 [2021-07-13 18:17:46,507 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 18:17:46,522 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:17:46,524 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-07-13 18:17:46,524 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2021-07-13 18:17:46,684 INFO L388 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 [2021-07-13 18:17:46,685 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:17:46,690 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:17:46,691 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:17:46,691 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:34 [2021-07-13 18:17:46,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 18:17:46,737 INFO L388 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 [2021-07-13 18:17:46,738 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:17:46,744 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:17:46,745 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:17:46,745 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:49, output treesize:34 [2021-07-13 18:17:47,002 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 18:17:47,009 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-07-13 18:17:47,009 INFO L388 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 27 [2021-07-13 18:17:47,010 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:17:47,020 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:17:47,021 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:17:47,021 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:64, output treesize:40 [2021-07-13 18:17:47,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 18:17:47,047 INFO L388 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 [2021-07-13 18:17:47,048 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:17:47,057 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:17:47,058 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:17:47,058 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:40 [2021-07-13 18:17:47,193 INFO L388 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 [2021-07-13 18:17:47,194 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:17:47,200 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:17:47,201 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:17:47,201 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:34 [2021-07-13 18:17:47,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 18:17:47,265 INFO L388 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 [2021-07-13 18:17:47,266 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:17:47,274 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:17:47,276 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:17:47,276 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:49, output treesize:34 [2021-07-13 18:17:47,580 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 18:17:47,588 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-07-13 18:17:47,589 INFO L388 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 27 [2021-07-13 18:17:47,590 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:17:47,602 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:17:47,604 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:17:47,604 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:64, output treesize:40 [2021-07-13 18:17:47,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 18:17:47,619 INFO L388 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 [2021-07-13 18:17:47,620 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:17:47,629 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:17:47,630 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:17:47,630 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:40 [2021-07-13 18:17:47,859 INFO L388 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 [2021-07-13 18:17:47,860 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:17:47,865 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:17:47,866 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:17:47,866 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:34 [2021-07-13 18:17:47,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 18:17:47,944 INFO L388 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 [2021-07-13 18:17:47,945 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:17:47,949 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:17:47,957 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:17:47,957 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:36, output treesize:9 [2021-07-13 18:17:48,136 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-07-13 18:17:48,136 INFO L388 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 27 [2021-07-13 18:17:48,141 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:17:48,146 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:17:48,147 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:17:48,147 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:34, output treesize:9 [2021-07-13 18:17:48,160 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-07-13 18:17:48,161 INFO L388 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 [2021-07-13 18:17:48,161 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:17:48,164 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:17:48,165 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:17:48,165 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:9 [2021-07-13 18:17:48,186 INFO L388 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 [2021-07-13 18:17:48,187 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:17:48,188 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:17:48,189 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:17:48,189 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:19, output treesize:3 [2021-07-13 18:17:48,262 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 540 proven. 267 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-07-13 18:17:48,263 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1068844742] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 18:17:48,263 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 18:17:48,263 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 53] total 70 [2021-07-13 18:17:48,263 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811669580] [2021-07-13 18:17:48,263 INFO L462 AbstractCegarLoop]: Interpolant automaton has 70 states [2021-07-13 18:17:48,263 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 18:17:48,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2021-07-13 18:17:48,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=462, Invalid=4368, Unknown=0, NotChecked=0, Total=4830 [2021-07-13 18:17:48,265 INFO L87 Difference]: Start difference. First operand 13695 states and 31414 transitions. Second operand has 70 states, 70 states have (on average 8.857142857142858) internal successors, (620), 70 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:18:18,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 18:18:18,823 INFO L93 Difference]: Finished difference Result 41102 states and 95045 transitions. [2021-07-13 18:18:18,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 497 states. [2021-07-13 18:18:18,823 INFO L78 Accepts]: Start accepts. Automaton has has 70 states, 70 states have (on average 8.857142857142858) internal successors, (620), 70 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 366 [2021-07-13 18:18:18,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 18:18:18,890 INFO L225 Difference]: With dead ends: 41102 [2021-07-13 18:18:18,891 INFO L226 Difference]: Without dead ends: 41102 [2021-07-13 18:18:18,907 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 1360 GetRequests, 796 SyntacticMatches, 8 SemanticMatches, 556 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142749 ImplicationChecksByTransitivity, 25838.2ms TimeCoverageRelationStatistics Valid=25780, Invalid=285026, Unknown=0, NotChecked=0, Total=310806 [2021-07-13 18:18:18,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41102 states. [2021-07-13 18:18:19,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41102 to 29529. [2021-07-13 18:18:19,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29529 states, 29528 states have (on average 2.2999525873746953) internal successors, (67913), 29528 states have internal predecessors, (67913), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:18:19,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29529 states to 29529 states and 67913 transitions. [2021-07-13 18:18:19,570 INFO L78 Accepts]: Start accepts. Automaton has 29529 states and 67913 transitions. Word has length 366 [2021-07-13 18:18:19,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 18:18:19,570 INFO L482 AbstractCegarLoop]: Abstraction has 29529 states and 67913 transitions. [2021-07-13 18:18:19,570 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 70 states, 70 states have (on average 8.857142857142858) internal successors, (620), 70 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:18:19,570 INFO L276 IsEmpty]: Start isEmpty. Operand 29529 states and 67913 transitions. [2021-07-13 18:18:19,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2021-07-13 18:18:19,616 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 18:18:19,616 INFO L508 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 18:18:19,826 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 18:18:19,826 INFO L430 AbstractCegarLoop]: === Iteration 13 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 18:18:19,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 18:18:19,827 INFO L82 PathProgramCache]: Analyzing trace with hash -2081651508, now seen corresponding path program 6 times [2021-07-13 18:18:19,827 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 18:18:19,827 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90257124] [2021-07-13 18:18:19,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 18:18:19,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 18:18:20,188 INFO L134 CoverageAnalysis]: Checked inductivity of 1053 backedges. 0 proven. 1053 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 18:18:20,188 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 18:18:20,189 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90257124] [2021-07-13 18:18:20,189 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90257124] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 18:18:20,189 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [478520817] [2021-07-13 18:18:20,189 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 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 [2021-07-13 18:18:20,573 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-13 18:18:20,573 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 18:18:20,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 55 conjunts are in the unsatisfiable core [2021-07-13 18:18:20,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 18:18:20,603 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2021-07-13 18:18:20,604 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:18:20,605 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:18:20,605 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:18:20,605 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2021-07-13 18:18:20,628 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-07-13 18:18:20,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 17 treesize of output 21 [2021-07-13 18:18:20,630 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:18:20,633 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:18:20,633 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:18:20,633 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:15 [2021-07-13 18:18:20,650 INFO L388 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 7 treesize of output 6 [2021-07-13 18:18:20,651 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:18:20,656 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:18:20,657 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:18:20,657 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:22, output treesize:21 [2021-07-13 18:18:20,698 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-07-13 18:18:20,699 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2021-07-13 18:18:20,700 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:18:20,707 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:18:20,708 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:18:20,708 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:34 [2021-07-13 18:18:20,747 INFO L354 Elim1Store]: treesize reduction 12, result has 52.0 percent of original size [2021-07-13 18:18:20,748 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 25 [2021-07-13 18:18:20,750 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:18:20,756 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:18:20,757 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:18:20,757 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:31 [2021-07-13 18:18:20,844 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2021-07-13 18:18:20,845 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:18:20,858 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:18:20,858 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:18:20,859 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:42 [2021-07-13 18:18:20,883 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2021-07-13 18:18:20,897 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:18:20,907 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:18:20,908 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:18:20,908 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:42 [2021-07-13 18:18:20,930 INFO L388 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 20 treesize of output 15 [2021-07-13 18:18:20,933 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:18:20,941 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:18:20,942 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:18:20,942 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:44, output treesize:36 [2021-07-13 18:18:21,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 18 [2021-07-13 18:18:21,025 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2021-07-13 18:18:21,025 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 18:18:21,028 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:18:21,029 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:18:21,036 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:18:21,038 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:18:21,038 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:42, output treesize:19 [2021-07-13 18:18:21,134 INFO L354 Elim1Store]: treesize reduction 17, result has 51.4 percent of original size [2021-07-13 18:18:21,134 INFO L388 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 2 case distinctions, treesize of input 31 treesize of output 41 [2021-07-13 18:18:21,202 INFO L354 Elim1Store]: treesize reduction 17, result has 51.4 percent of original size [2021-07-13 18:18:21,202 INFO L388 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 2 case distinctions, treesize of input 31 treesize of output 41 [2021-07-13 18:18:21,235 INFO L354 Elim1Store]: treesize reduction 17, result has 51.4 percent of original size [2021-07-13 18:18:21,235 INFO L388 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 2 case distinctions, treesize of input 31 treesize of output 41 [2021-07-13 18:18:21,268 INFO L354 Elim1Store]: treesize reduction 17, result has 51.4 percent of original size [2021-07-13 18:18:21,268 INFO L388 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 2 case distinctions, treesize of input 31 treesize of output 41 [2021-07-13 18:18:21,304 INFO L354 Elim1Store]: treesize reduction 24, result has 42.9 percent of original size [2021-07-13 18:18:21,304 INFO L388 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 2 case distinctions, treesize of input 38 treesize of output 48 [2021-07-13 18:18:21,403 INFO L354 Elim1Store]: treesize reduction 24, result has 42.9 percent of original size [2021-07-13 18:18:21,404 INFO L388 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 2 case distinctions, treesize of input 38 treesize of output 48 [2021-07-13 18:18:21,438 INFO L354 Elim1Store]: treesize reduction 24, result has 42.9 percent of original size [2021-07-13 18:18:21,438 INFO L388 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 2 case distinctions, treesize of input 38 treesize of output 48 [2021-07-13 18:18:21,471 INFO L354 Elim1Store]: treesize reduction 24, result has 42.9 percent of original size [2021-07-13 18:18:21,471 INFO L388 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 2 case distinctions, treesize of input 38 treesize of output 48 [2021-07-13 18:18:21,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 18:18:21,550 INFO L354 Elim1Store]: treesize reduction 37, result has 11.9 percent of original size [2021-07-13 18:18:21,551 INFO L388 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 2 case distinctions, treesize of input 38 treesize of output 36 [2021-07-13 18:18:21,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 18:18:21,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 18:18:21,569 INFO L354 Elim1Store]: treesize reduction 54, result has 36.5 percent of original size [2021-07-13 18:18:21,569 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 27 treesize of output 45 [2021-07-13 18:18:21,572 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 18:18:21,579 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:18:21,580 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:18:21,591 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:18:21,592 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:18:21,592 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:59, output treesize:28 [2021-07-13 18:18:21,633 INFO L354 Elim1Store]: treesize reduction 28, result has 15.2 percent of original size [2021-07-13 18:18:21,633 INFO L388 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 2 case distinctions, treesize of input 29 treesize of output 27 [2021-07-13 18:18:21,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 18 treesize of output 13 [2021-07-13 18:18:21,638 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 18:18:21,641 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:18:21,641 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:18:21,649 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:18:21,650 INFO L550 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. [2021-07-13 18:18:21,651 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:41, output treesize:28 [2021-07-13 18:18:21,718 INFO L354 Elim1Store]: treesize reduction 21, result has 46.2 percent of original size [2021-07-13 18:18:21,718 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 42 [2021-07-13 18:18:21,742 WARN L860 $PredicateComparison]: unable to prove that (and (not (= |c_~#queue~0.base| |c_~#stored_elements~0.base|)) (exists ((|v_#memory_int_98| (Array Int (Array Int Int))) (|ULTIMATE.start_main_~#id2~0.offset| Int) (|ULTIMATE.start_main_~#id2~0.base| Int) (t1Thread1of1ForFork0_enqueue_~q.offset Int) (|ULTIMATE.start_main_#t~pre65| Int) (t1Thread1of1ForFork0_enqueue_~q.base Int)) (and (not (= |c_~#stored_elements~0.base| |ULTIMATE.start_main_~#id2~0.base|)) (= |c_#memory_int| (store |v_#memory_int_98| |ULTIMATE.start_main_~#id2~0.base| (store (select |v_#memory_int_98| |ULTIMATE.start_main_~#id2~0.base|) |ULTIMATE.start_main_~#id2~0.offset| |ULTIMATE.start_main_#t~pre65|))) (not (= |c_~#queue~0.base| |ULTIMATE.start_main_~#id2~0.base|)) (= ((as const (Array Int Int)) 0) (select |v_#memory_int_98| |c_~#queue~0.base|)) (= (select (select |v_#memory_int_98| t1Thread1of1ForFork0_enqueue_~q.base) (+ t1Thread1of1ForFork0_enqueue_~q.offset 3204)) 1)))) is different from true [2021-07-13 18:18:21,777 INFO L354 Elim1Store]: treesize reduction 21, result has 46.2 percent of original size [2021-07-13 18:18:21,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 42 [2021-07-13 18:18:21,819 INFO L354 Elim1Store]: treesize reduction 21, result has 46.2 percent of original size [2021-07-13 18:18:21,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 42 [2021-07-13 18:18:21,860 INFO L354 Elim1Store]: treesize reduction 21, result has 46.2 percent of original size [2021-07-13 18:18:21,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 42 [2021-07-13 18:18:21,904 INFO L354 Elim1Store]: treesize reduction 21, result has 46.2 percent of original size [2021-07-13 18:18:21,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 42 [2021-07-13 18:18:21,944 INFO L354 Elim1Store]: treesize reduction 21, result has 46.2 percent of original size [2021-07-13 18:18:21,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 42 [2021-07-13 18:18:21,987 INFO L354 Elim1Store]: treesize reduction 21, result has 46.2 percent of original size [2021-07-13 18:18:21,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 27 treesize of output 42 [2021-07-13 18:18:22,039 INFO L354 Elim1Store]: treesize reduction 21, result has 46.2 percent of original size [2021-07-13 18:18:22,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 57 [2021-07-13 18:18:22,081 WARN L860 $PredicateComparison]: unable to prove that (exists ((|v_#memory_int_98| (Array Int (Array Int Int))) (|ULTIMATE.start_main_~#id2~0.offset| Int) (|ULTIMATE.start_main_~#id2~0.base| Int) (t1Thread1of1ForFork0_enqueue_~q.offset Int) (|ULTIMATE.start_main_#t~pre65| Int) (t1Thread1of1ForFork0_~i~0 Int) (t1Thread1of1ForFork0_enqueue_~q.base Int) (|~#stored_elements~0.base| Int) (|~#stored_elements~0.offset| Int) (t1Thread1of1ForFork0_~value~0 Int)) (and (not (= |c_~#queue~0.base| |~#stored_elements~0.base|)) (not (= |~#stored_elements~0.base| |ULTIMATE.start_main_~#id2~0.base|)) (not (= |c_~#queue~0.base| |ULTIMATE.start_main_~#id2~0.base|)) (= ((as const (Array Int Int)) 0) (select |v_#memory_int_98| |c_~#queue~0.base|)) (= (select (select |v_#memory_int_98| t1Thread1of1ForFork0_enqueue_~q.base) (+ t1Thread1of1ForFork0_enqueue_~q.offset 3204)) 1) (= |c_#memory_int| (let ((.cse0 (store |v_#memory_int_98| |ULTIMATE.start_main_~#id2~0.base| (store (select |v_#memory_int_98| |ULTIMATE.start_main_~#id2~0.base|) |ULTIMATE.start_main_~#id2~0.offset| |ULTIMATE.start_main_#t~pre65|)))) (store .cse0 |~#stored_elements~0.base| (store (select .cse0 |~#stored_elements~0.base|) (+ (* t1Thread1of1ForFork0_~i~0 4) |~#stored_elements~0.offset|) t1Thread1of1ForFork0_~value~0)))))) is different from true [2021-07-13 18:18:22,110 INFO L354 Elim1Store]: treesize reduction 21, result has 46.2 percent of original size [2021-07-13 18:18:22,111 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 57 [2021-07-13 18:18:22,189 INFO L354 Elim1Store]: treesize reduction 21, result has 46.2 percent of original size [2021-07-13 18:18:22,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 57 [2021-07-13 18:18:22,247 INFO L354 Elim1Store]: treesize reduction 21, result has 46.2 percent of original size [2021-07-13 18:18:22,247 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 57 [2021-07-13 18:18:22,306 INFO L354 Elim1Store]: treesize reduction 21, result has 46.2 percent of original size [2021-07-13 18:18:22,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 57 [2021-07-13 18:18:22,366 INFO L354 Elim1Store]: treesize reduction 21, result has 46.2 percent of original size [2021-07-13 18:18:22,367 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 57 [2021-07-13 18:18:22,426 INFO L354 Elim1Store]: treesize reduction 21, result has 46.2 percent of original size [2021-07-13 18:18:22,426 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 57 [2021-07-13 18:18:22,485 INFO L354 Elim1Store]: treesize reduction 21, result has 46.2 percent of original size [2021-07-13 18:18:22,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 57 [2021-07-13 18:18:22,550 INFO L354 Elim1Store]: treesize reduction 21, result has 46.2 percent of original size [2021-07-13 18:18:22,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 57 [2021-07-13 18:18:22,594 WARN L860 $PredicateComparison]: unable to prove that (exists ((|v_#memory_int_98| (Array Int (Array Int Int))) (|ULTIMATE.start_main_~#id2~0.offset| Int) (|ULTIMATE.start_main_~#id2~0.base| Int) (t1Thread1of1ForFork0_enqueue_~q.offset Int) (|ULTIMATE.start_main_#t~pre65| Int) (t1Thread1of1ForFork0_~i~0 Int) (t1Thread1of1ForFork0_enqueue_~q.base Int) (|~#stored_elements~0.base| Int) (|~#stored_elements~0.offset| Int) (t1Thread1of1ForFork0_~value~0 Int)) (and (not (= |~#stored_elements~0.base| |ULTIMATE.start_main_~#id2~0.base|)) (not (= |~#stored_elements~0.base| |c_t1Thread1of1ForFork0_enqueue_#in~q.base|)) (= (select (select |v_#memory_int_98| t1Thread1of1ForFork0_enqueue_~q.base) (+ t1Thread1of1ForFork0_enqueue_~q.offset 3204)) 1) (= ((as const (Array Int Int)) 0) (select |v_#memory_int_98| |c_t1Thread1of1ForFork0_enqueue_#in~q.base|)) (= |c_#memory_int| (let ((.cse0 (store |v_#memory_int_98| |ULTIMATE.start_main_~#id2~0.base| (store (select |v_#memory_int_98| |ULTIMATE.start_main_~#id2~0.base|) |ULTIMATE.start_main_~#id2~0.offset| |ULTIMATE.start_main_#t~pre65|)))) (store .cse0 |~#stored_elements~0.base| (store (select .cse0 |~#stored_elements~0.base|) (+ (* t1Thread1of1ForFork0_~i~0 4) |~#stored_elements~0.offset|) t1Thread1of1ForFork0_~value~0)))) (not (= |c_t1Thread1of1ForFork0_enqueue_#in~q.base| |ULTIMATE.start_main_~#id2~0.base|)))) is different from true [2021-07-13 18:18:22,621 INFO L354 Elim1Store]: treesize reduction 21, result has 46.2 percent of original size [2021-07-13 18:18:22,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 57 [2021-07-13 18:18:22,676 INFO L354 Elim1Store]: treesize reduction 21, result has 46.2 percent of original size [2021-07-13 18:18:22,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 57 [2021-07-13 18:18:22,710 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:18:22,710 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:18:22,741 INFO L354 Elim1Store]: treesize reduction 21, result has 46.2 percent of original size [2021-07-13 18:18:22,741 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 57 [2021-07-13 18:18:22,768 WARN L860 $PredicateComparison]: unable to prove that (exists ((|v_#memory_int_98| (Array Int (Array Int Int))) (|ULTIMATE.start_main_~#id2~0.offset| Int) (|ULTIMATE.start_main_~#id2~0.base| Int) (|ULTIMATE.start_main_#t~pre65| Int) (t1Thread1of1ForFork0_~i~0 Int) (v_t1Thread1of1ForFork0_enqueue_~q.base_23 Int) (|~#stored_elements~0.base| Int) (v_t1Thread1of1ForFork0_enqueue_~q.offset_23 Int) (|~#stored_elements~0.offset| Int) (t1Thread1of1ForFork0_~value~0 Int)) (and (not (= |~#stored_elements~0.base| |ULTIMATE.start_main_~#id2~0.base|)) (not (= c_t1Thread1of1ForFork0_enqueue_~q.base |ULTIMATE.start_main_~#id2~0.base|)) (= (select (select |v_#memory_int_98| v_t1Thread1of1ForFork0_enqueue_~q.base_23) (+ v_t1Thread1of1ForFork0_enqueue_~q.offset_23 3204)) 1) (not (= c_t1Thread1of1ForFork0_enqueue_~q.base |~#stored_elements~0.base|)) (= ((as const (Array Int Int)) 0) (select |v_#memory_int_98| c_t1Thread1of1ForFork0_enqueue_~q.base)) (= |c_#memory_int| (let ((.cse0 (store |v_#memory_int_98| |ULTIMATE.start_main_~#id2~0.base| (store (select |v_#memory_int_98| |ULTIMATE.start_main_~#id2~0.base|) |ULTIMATE.start_main_~#id2~0.offset| |ULTIMATE.start_main_#t~pre65|)))) (store .cse0 |~#stored_elements~0.base| (store (select .cse0 |~#stored_elements~0.base|) (+ (* t1Thread1of1ForFork0_~i~0 4) |~#stored_elements~0.offset|) t1Thread1of1ForFork0_~value~0)))))) is different from true [2021-07-13 18:18:22,796 INFO L354 Elim1Store]: treesize reduction 21, result has 46.2 percent of original size [2021-07-13 18:18:22,796 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 57 [2021-07-13 18:18:22,848 INFO L354 Elim1Store]: treesize reduction 21, result has 46.2 percent of original size [2021-07-13 18:18:22,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 47 treesize of output 57 [2021-07-13 18:18:22,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 18:18:22,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 18:18:22,972 INFO L354 Elim1Store]: treesize reduction 21, result has 46.2 percent of original size [2021-07-13 18:18:22,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 96 treesize of output 88 [2021-07-13 18:18:23,012 WARN L860 $PredicateComparison]: unable to prove that (exists ((|v_#memory_int_98| (Array Int (Array Int Int))) (|t1Thread1of1ForFork0_enqueue_#t~mem40| Int) (t1Thread1of1ForFork0_~i~0 Int) (t1Thread1of1ForFork0_enqueue_~x Int) (v_t1Thread1of1ForFork0_enqueue_~q.base_23 Int) (|~#stored_elements~0.base| Int) (|ULTIMATE.start_main_~#id2~0.offset| Int) (|ULTIMATE.start_main_~#id2~0.base| Int) (|ULTIMATE.start_main_#t~pre65| Int) (v_t1Thread1of1ForFork0_enqueue_~q.offset_23 Int) (|~#stored_elements~0.offset| Int) (t1Thread1of1ForFork0_~value~0 Int)) (let ((.cse1 (let ((.cse2 (store |v_#memory_int_98| |ULTIMATE.start_main_~#id2~0.base| (store (select |v_#memory_int_98| |ULTIMATE.start_main_~#id2~0.base|) |ULTIMATE.start_main_~#id2~0.offset| |ULTIMATE.start_main_#t~pre65|)))) (store .cse2 |~#stored_elements~0.base| (store (select .cse2 |~#stored_elements~0.base|) (+ (* t1Thread1of1ForFork0_~i~0 4) |~#stored_elements~0.offset|) t1Thread1of1ForFork0_~value~0))))) (let ((.cse0 (select .cse1 c_t1Thread1of1ForFork0_enqueue_~q.base))) (and (not (= |~#stored_elements~0.base| |ULTIMATE.start_main_~#id2~0.base|)) (not (= c_t1Thread1of1ForFork0_enqueue_~q.base |ULTIMATE.start_main_~#id2~0.base|)) (= (select (select |v_#memory_int_98| v_t1Thread1of1ForFork0_enqueue_~q.base_23) (+ v_t1Thread1of1ForFork0_enqueue_~q.offset_23 3204)) 1) (not (= c_t1Thread1of1ForFork0_enqueue_~q.base |~#stored_elements~0.base|)) (<= |t1Thread1of1ForFork0_enqueue_#t~mem40| (select .cse0 (+ c_t1Thread1of1ForFork0_enqueue_~q.offset 3204))) (= ((as const (Array Int Int)) 0) (select |v_#memory_int_98| c_t1Thread1of1ForFork0_enqueue_~q.base)) (= |c_#memory_int| (store .cse1 c_t1Thread1of1ForFork0_enqueue_~q.base (store .cse0 (+ (* |t1Thread1of1ForFork0_enqueue_#t~mem40| 4) c_t1Thread1of1ForFork0_enqueue_~q.offset) t1Thread1of1ForFork0_enqueue_~x))))))) is different from true [2021-07-13 18:18:23,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 18:18:23,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 18:18:23,053 INFO L354 Elim1Store]: treesize reduction 21, result has 46.2 percent of original size [2021-07-13 18:18:23,054 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 96 treesize of output 88 [2021-07-13 18:18:23,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 18:18:23,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 18:18:23,146 INFO L354 Elim1Store]: treesize reduction 21, result has 46.2 percent of original size [2021-07-13 18:18:23,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 96 treesize of output 88 [2021-07-13 18:18:23,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 18:18:23,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 18:18:23,232 INFO L354 Elim1Store]: treesize reduction 21, result has 46.2 percent of original size [2021-07-13 18:18:23,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 96 treesize of output 88 [2021-07-13 18:18:23,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 18:18:23,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 18:18:23,322 INFO L354 Elim1Store]: treesize reduction 21, result has 46.2 percent of original size [2021-07-13 18:18:23,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 103 treesize of output 95 [2021-07-13 18:18:23,388 WARN L860 $PredicateComparison]: unable to prove that (exists ((|v_#memory_int_98| (Array Int (Array Int Int))) (|t1Thread1of1ForFork0_enqueue_#t~mem40| Int) (t1Thread1of1ForFork0_~i~0 Int) (t1Thread1of1ForFork0_enqueue_~x Int) (v_t1Thread1of1ForFork0_enqueue_~q.base_23 Int) (|~#stored_elements~0.base| Int) (|ULTIMATE.start_main_~#id2~0.offset| Int) (|t1Thread1of1ForFork0_enqueue_#t~post42| Int) (|ULTIMATE.start_main_~#id2~0.base| Int) (|ULTIMATE.start_main_#t~pre65| Int) (v_t1Thread1of1ForFork0_enqueue_~q.offset_23 Int) (|~#stored_elements~0.offset| Int) (t1Thread1of1ForFork0_~value~0 Int)) (let ((.cse1 (let ((.cse2 (store |v_#memory_int_98| |ULTIMATE.start_main_~#id2~0.base| (store (select |v_#memory_int_98| |ULTIMATE.start_main_~#id2~0.base|) |ULTIMATE.start_main_~#id2~0.offset| |ULTIMATE.start_main_#t~pre65|)))) (store .cse2 |~#stored_elements~0.base| (store (select .cse2 |~#stored_elements~0.base|) (+ (* t1Thread1of1ForFork0_~i~0 4) |~#stored_elements~0.offset|) t1Thread1of1ForFork0_~value~0))))) (let ((.cse0 (select .cse1 c_t1Thread1of1ForFork0_enqueue_~q.base))) (and (not (= |~#stored_elements~0.base| |ULTIMATE.start_main_~#id2~0.base|)) (not (= c_t1Thread1of1ForFork0_enqueue_~q.base |ULTIMATE.start_main_~#id2~0.base|)) (= (select (select |v_#memory_int_98| v_t1Thread1of1ForFork0_enqueue_~q.base_23) (+ v_t1Thread1of1ForFork0_enqueue_~q.offset_23 3204)) 1) (not (= c_t1Thread1of1ForFork0_enqueue_~q.base |~#stored_elements~0.base|)) (<= |t1Thread1of1ForFork0_enqueue_#t~mem40| (select .cse0 (+ c_t1Thread1of1ForFork0_enqueue_~q.offset 3204))) (= (store .cse1 c_t1Thread1of1ForFork0_enqueue_~q.base (store (store .cse0 (+ (* |t1Thread1of1ForFork0_enqueue_#t~mem40| 4) c_t1Thread1of1ForFork0_enqueue_~q.offset) t1Thread1of1ForFork0_enqueue_~x) (+ c_t1Thread1of1ForFork0_enqueue_~q.offset 3208) (+ |t1Thread1of1ForFork0_enqueue_#t~post42| 1))) |c_#memory_int|) (= ((as const (Array Int Int)) 0) (select |v_#memory_int_98| c_t1Thread1of1ForFork0_enqueue_~q.base)))))) is different from true [2021-07-13 18:18:23,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 18:18:23,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 18:18:23,437 INFO L354 Elim1Store]: treesize reduction 21, result has 46.2 percent of original size [2021-07-13 18:18:23,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 103 treesize of output 95 [2021-07-13 18:18:23,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 18:18:23,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 18:18:23,526 INFO L354 Elim1Store]: treesize reduction 21, result has 46.2 percent of original size [2021-07-13 18:18:23,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 103 treesize of output 95 [2021-07-13 18:18:23,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 18:18:23,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 18:18:23,617 INFO L354 Elim1Store]: treesize reduction 21, result has 46.2 percent of original size [2021-07-13 18:18:23,618 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 76 treesize of output 84 [2021-07-13 18:18:23,956 INFO L134 CoverageAnalysis]: Checked inductivity of 1053 backedges. 338 proven. 2 refuted. 0 times theorem prover too weak. 696 trivial. 17 not checked. [2021-07-13 18:18:23,956 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [478520817] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 18:18:23,956 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 18:18:23,956 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 25] total 44 [2021-07-13 18:18:23,956 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404972449] [2021-07-13 18:18:23,957 INFO L462 AbstractCegarLoop]: Interpolant automaton has 44 states [2021-07-13 18:18:23,957 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 18:18:23,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2021-07-13 18:18:23,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=183, Invalid=1220, Unknown=27, NotChecked=462, Total=1892 [2021-07-13 18:18:23,958 INFO L87 Difference]: Start difference. First operand 29529 states and 67913 transitions. Second operand has 44 states, 44 states have (on average 12.204545454545455) internal successors, (537), 44 states have internal predecessors, (537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:18:29,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 18:18:29,211 INFO L93 Difference]: Finished difference Result 40150 states and 92428 transitions. [2021-07-13 18:18:29,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-07-13 18:18:29,211 INFO L78 Accepts]: Start accepts. Automaton has has 44 states, 44 states have (on average 12.204545454545455) internal successors, (537), 44 states have internal predecessors, (537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 399 [2021-07-13 18:18:29,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 18:18:29,291 INFO L225 Difference]: With dead ends: 40150 [2021-07-13 18:18:29,291 INFO L226 Difference]: Without dead ends: 40150 [2021-07-13 18:18:29,293 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 489 GetRequests, 375 SyntacticMatches, 3 SemanticMatches, 111 ConstructedPredicates, 6 IntricatePredicates, 0 DeprecatedPredicates, 3503 ImplicationChecksByTransitivity, 3476.5ms TimeCoverageRelationStatistics Valid=2086, Invalid=8914, Unknown=366, NotChecked=1290, Total=12656 [2021-07-13 18:18:29,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40150 states. [2021-07-13 18:18:29,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40150 to 34322. [2021-07-13 18:18:29,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34322 states, 34321 states have (on average 2.2992337053116167) internal successors, (78912), 34321 states have internal predecessors, (78912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:18:29,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34322 states to 34322 states and 78912 transitions. [2021-07-13 18:18:29,958 INFO L78 Accepts]: Start accepts. Automaton has 34322 states and 78912 transitions. Word has length 399 [2021-07-13 18:18:29,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 18:18:29,958 INFO L482 AbstractCegarLoop]: Abstraction has 34322 states and 78912 transitions. [2021-07-13 18:18:29,958 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 44 states, 44 states have (on average 12.204545454545455) internal successors, (537), 44 states have internal predecessors, (537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:18:29,958 INFO L276 IsEmpty]: Start isEmpty. Operand 34322 states and 78912 transitions. [2021-07-13 18:18:30,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 433 [2021-07-13 18:18:30,011 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 18:18:30,011 INFO L508 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 6, 6, 6, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 18:18:30,211 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 18:18:30,212 INFO L430 AbstractCegarLoop]: === Iteration 14 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 18:18:30,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 18:18:30,212 INFO L82 PathProgramCache]: Analyzing trace with hash -422652689, now seen corresponding path program 7 times [2021-07-13 18:18:30,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 18:18:30,213 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164136598] [2021-07-13 18:18:30,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 18:18:30,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 18:18:30,430 INFO L134 CoverageAnalysis]: Checked inductivity of 1327 backedges. 0 proven. 1327 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 18:18:30,430 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 18:18:30,430 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164136598] [2021-07-13 18:18:30,430 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164136598] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 18:18:30,431 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1342061375] [2021-07-13 18:18:30,431 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 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 [2021-07-13 18:18:30,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 18:18:30,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 806 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-13 18:18:30,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 18:18:30,998 INFO L134 CoverageAnalysis]: Checked inductivity of 1327 backedges. 0 proven. 1327 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 18:18:30,999 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1342061375] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 18:18:30,999 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 18:18:30,999 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 25 [2021-07-13 18:18:30,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233960993] [2021-07-13 18:18:31,000 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-13 18:18:31,000 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 18:18:31,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-13 18:18:31,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=432, Unknown=0, NotChecked=0, Total=600 [2021-07-13 18:18:31,001 INFO L87 Difference]: Start difference. First operand 34322 states and 78912 transitions. Second operand has 25 states, 25 states have (on average 18.76) internal successors, (469), 25 states have internal predecessors, (469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:18:31,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 18:18:31,493 INFO L93 Difference]: Finished difference Result 43276 states and 99418 transitions. [2021-07-13 18:18:31,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-07-13 18:18:31,493 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 18.76) internal successors, (469), 25 states have internal predecessors, (469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 432 [2021-07-13 18:18:31,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 18:18:31,574 INFO L225 Difference]: With dead ends: 43276 [2021-07-13 18:18:31,575 INFO L226 Difference]: Without dead ends: 43276 [2021-07-13 18:18:31,575 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 474 GetRequests, 431 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 368 ImplicationChecksByTransitivity, 308.6ms TimeCoverageRelationStatistics Valid=631, Invalid=1349, Unknown=0, NotChecked=0, Total=1980 [2021-07-13 18:18:31,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43276 states. [2021-07-13 18:18:32,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43276 to 38943. [2021-07-13 18:18:32,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38943 states, 38942 states have (on average 2.2981100097581018) internal successors, (89493), 38942 states have internal predecessors, (89493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:18:32,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38943 states to 38943 states and 89493 transitions. [2021-07-13 18:18:32,590 INFO L78 Accepts]: Start accepts. Automaton has 38943 states and 89493 transitions. Word has length 432 [2021-07-13 18:18:32,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 18:18:32,592 INFO L482 AbstractCegarLoop]: Abstraction has 38943 states and 89493 transitions. [2021-07-13 18:18:32,592 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 18.76) internal successors, (469), 25 states have internal predecessors, (469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:18:32,592 INFO L276 IsEmpty]: Start isEmpty. Operand 38943 states and 89493 transitions. [2021-07-13 18:18:32,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 466 [2021-07-13 18:18:32,640 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 18:18:32,641 INFO L508 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 7, 7, 7, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 18:18:32,841 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable246 [2021-07-13 18:18:32,842 INFO L430 AbstractCegarLoop]: === Iteration 15 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 18:18:32,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 18:18:32,842 INFO L82 PathProgramCache]: Analyzing trace with hash 1678291734, now seen corresponding path program 8 times [2021-07-13 18:18:32,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 18:18:32,842 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081267339] [2021-07-13 18:18:32,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 18:18:32,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 18:18:33,240 INFO L134 CoverageAnalysis]: Checked inductivity of 1634 backedges. 0 proven. 1634 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 18:18:33,241 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 18:18:33,241 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081267339] [2021-07-13 18:18:33,241 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081267339] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 18:18:33,241 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [398538317] [2021-07-13 18:18:33,241 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 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 [2021-07-13 18:18:33,453 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 18:18:33,453 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 18:18:33,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 861 conjuncts, 24 conjunts are in the unsatisfiable core [2021-07-13 18:18:33,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 18:18:33,982 INFO L134 CoverageAnalysis]: Checked inductivity of 1634 backedges. 0 proven. 1634 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 18:18:33,982 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [398538317] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 18:18:33,982 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 18:18:33,982 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25] total 27 [2021-07-13 18:18:33,983 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913893717] [2021-07-13 18:18:33,983 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-13 18:18:33,983 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 18:18:33,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-13 18:18:33,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=507, Unknown=0, NotChecked=0, Total=702 [2021-07-13 18:18:33,984 INFO L87 Difference]: Start difference. First operand 38943 states and 89493 transitions. Second operand has 27 states, 27 states have (on average 18.59259259259259) internal successors, (502), 27 states have internal predecessors, (502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:18:34,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 18:18:34,468 INFO L93 Difference]: Finished difference Result 47897 states and 109999 transitions. [2021-07-13 18:18:34,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-07-13 18:18:34,469 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 18.59259259259259) internal successors, (502), 27 states have internal predecessors, (502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 465 [2021-07-13 18:18:34,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 18:18:34,562 INFO L225 Difference]: With dead ends: 47897 [2021-07-13 18:18:34,562 INFO L226 Difference]: Without dead ends: 47897 [2021-07-13 18:18:34,563 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 511 GetRequests, 464 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 439 ImplicationChecksByTransitivity, 370.2ms TimeCoverageRelationStatistics Valid=748, Invalid=1604, Unknown=0, NotChecked=0, Total=2352 [2021-07-13 18:18:34,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47897 states. [2021-07-13 18:18:35,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47897 to 43564. [2021-07-13 18:18:35,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43564 states, 43563 states have (on average 2.297224709042077) internal successors, (100074), 43563 states have internal predecessors, (100074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:18:35,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43564 states to 43564 states and 100074 transitions. [2021-07-13 18:18:35,497 INFO L78 Accepts]: Start accepts. Automaton has 43564 states and 100074 transitions. Word has length 465 [2021-07-13 18:18:35,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 18:18:35,497 INFO L482 AbstractCegarLoop]: Abstraction has 43564 states and 100074 transitions. [2021-07-13 18:18:35,497 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 18.59259259259259) internal successors, (502), 27 states have internal predecessors, (502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:18:35,497 INFO L276 IsEmpty]: Start isEmpty. Operand 43564 states and 100074 transitions. [2021-07-13 18:18:35,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 499 [2021-07-13 18:18:35,554 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 18:18:35,554 INFO L508 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 18:18:35,755 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable247,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 18:18:35,755 INFO L430 AbstractCegarLoop]: === Iteration 16 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 18:18:35,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 18:18:35,756 INFO L82 PathProgramCache]: Analyzing trace with hash -2065731611, now seen corresponding path program 9 times [2021-07-13 18:18:35,756 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 18:18:35,756 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762949748] [2021-07-13 18:18:35,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 18:18:35,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 18:18:36,046 INFO L134 CoverageAnalysis]: Checked inductivity of 1974 backedges. 0 proven. 1974 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 18:18:36,046 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 18:18:36,046 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762949748] [2021-07-13 18:18:36,046 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762949748] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 18:18:36,046 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1202209641] [2021-07-13 18:18:36,046 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 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 [2021-07-13 18:18:39,778 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-07-13 18:18:39,778 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 18:18:39,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 596 conjuncts, 105 conjunts are in the unsatisfiable core [2021-07-13 18:18:39,796 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 18:18:39,817 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2021-07-13 18:18:39,818 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:18:39,819 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:18:39,819 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:18:39,819 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2021-07-13 18:18:39,838 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-07-13 18:18:39,839 INFO L388 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 11 treesize of output 11 [2021-07-13 18:18:39,840 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:18:39,842 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:18:39,842 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:18:39,842 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:8 [2021-07-13 18:18:40,005 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2021-07-13 18:18:40,340 INFO L388 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 [2021-07-13 18:18:40,341 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:18:40,345 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:18:40,345 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:18:40,345 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:17 [2021-07-13 18:18:40,377 INFO L388 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 [2021-07-13 18:18:40,378 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:18:40,383 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:18:40,384 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:18:40,384 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:32, output treesize:17 [2021-07-13 18:18:40,474 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 18:18:40,479 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-07-13 18:18:40,480 INFO L388 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 27 [2021-07-13 18:18:40,480 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:18:40,488 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:18:40,489 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:18:40,489 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:47, output treesize:23 [2021-07-13 18:18:40,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 18:18:40,503 INFO L388 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 [2021-07-13 18:18:40,504 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:18:40,510 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:18:40,511 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:18:40,511 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:38, output treesize:23 [2021-07-13 18:18:40,636 INFO L388 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 [2021-07-13 18:18:40,637 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:18:40,641 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:18:40,641 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:18:40,641 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:38, output treesize:17 [2021-07-13 18:18:40,679 INFO L388 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 [2021-07-13 18:18:40,680 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:18:40,685 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:18:40,685 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:18:40,686 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:32, output treesize:17 [2021-07-13 18:18:40,805 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 18:18:40,811 INFO L354 Elim1Store]: treesize reduction 23, result has 28.1 percent of original size [2021-07-13 18:18:40,811 INFO L388 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 27 [2021-07-13 18:18:40,812 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:18:40,819 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:18:40,820 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:18:40,820 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:44, output treesize:23 [2021-07-13 18:18:40,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 18:18:40,832 INFO L388 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 [2021-07-13 18:18:40,833 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:18:40,840 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:18:40,841 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:18:40,841 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:38, output treesize:23 [2021-07-13 18:18:40,971 INFO L388 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 [2021-07-13 18:18:40,972 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:18:40,975 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:18:40,976 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:18:40,976 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:38, output treesize:17 [2021-07-13 18:18:41,101 INFO L388 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 [2021-07-13 18:18:41,104 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:18:41,110 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:18:41,111 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:18:41,111 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:32, output treesize:17 [2021-07-13 18:18:41,229 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 18:18:41,235 INFO L354 Elim1Store]: treesize reduction 23, result has 28.1 percent of original size [2021-07-13 18:18:41,235 INFO L388 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 27 [2021-07-13 18:18:41,236 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:18:41,243 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:18:41,244 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:18:41,244 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:44, output treesize:23 [2021-07-13 18:18:41,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 18:18:41,255 INFO L388 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 [2021-07-13 18:18:41,256 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:18:41,262 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:18:41,263 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:18:41,263 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:38, output treesize:23 [2021-07-13 18:18:41,412 INFO L388 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 [2021-07-13 18:18:41,413 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:18:41,417 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:18:41,418 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:18:41,418 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:38, output treesize:17 [2021-07-13 18:18:41,468 INFO L388 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 [2021-07-13 18:18:41,469 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:18:41,474 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:18:41,475 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:18:41,475 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:32, output treesize:13 [2021-07-13 18:18:41,624 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 18:18:41,632 INFO L354 Elim1Store]: treesize reduction 23, result has 28.1 percent of original size [2021-07-13 18:18:41,632 INFO L388 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 27 [2021-07-13 18:18:41,633 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:18:41,639 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:18:41,639 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:18:41,640 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:40, output treesize:19 [2021-07-13 18:18:41,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 18:18:41,655 INFO L388 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 [2021-07-13 18:18:41,656 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:18:41,664 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:18:41,665 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:18:41,665 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:34, output treesize:19 [2021-07-13 18:18:41,673 INFO L388 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 [2021-07-13 18:18:41,674 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:18:41,676 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:18:41,677 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:18:41,677 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:22, output treesize:7 [2021-07-13 18:18:41,753 INFO L134 CoverageAnalysis]: Checked inductivity of 1974 backedges. 957 proven. 353 refuted. 0 times theorem prover too weak. 664 trivial. 0 not checked. [2021-07-13 18:18:41,754 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1202209641] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 18:18:41,754 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 18:18:41,754 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 33] total 58 [2021-07-13 18:18:41,754 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206376130] [2021-07-13 18:18:41,755 INFO L462 AbstractCegarLoop]: Interpolant automaton has 58 states [2021-07-13 18:18:41,755 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 18:18:41,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2021-07-13 18:18:41,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=334, Invalid=2972, Unknown=0, NotChecked=0, Total=3306 [2021-07-13 18:18:41,756 INFO L87 Difference]: Start difference. First operand 43564 states and 100074 transitions. Second operand has 58 states, 58 states have (on average 12.775862068965518) internal successors, (741), 58 states have internal predecessors, (741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:18:58,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 18:18:58,712 INFO L93 Difference]: Finished difference Result 40905 states and 93823 transitions. [2021-07-13 18:18:58,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 411 states. [2021-07-13 18:18:58,713 INFO L78 Accepts]: Start accepts. Automaton has has 58 states, 58 states have (on average 12.775862068965518) internal successors, (741), 58 states have internal predecessors, (741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 498 [2021-07-13 18:18:58,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 18:18:58,777 INFO L225 Difference]: With dead ends: 40905 [2021-07-13 18:18:58,777 INFO L226 Difference]: Without dead ends: 40905 [2021-07-13 18:18:58,787 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 933 GetRequests, 466 SyntacticMatches, 3 SemanticMatches, 464 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96378 ImplicationChecksByTransitivity, 13609.9ms TimeCoverageRelationStatistics Valid=19941, Invalid=196749, Unknown=0, NotChecked=0, Total=216690 [2021-07-13 18:18:58,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40905 states. [2021-07-13 18:18:59,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40905 to 34269. [2021-07-13 18:18:59,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34269 states, 34268 states have (on average 2.2887825376444497) internal successors, (78432), 34268 states have internal predecessors, (78432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:18:59,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34269 states to 34269 states and 78432 transitions. [2021-07-13 18:18:59,359 INFO L78 Accepts]: Start accepts. Automaton has 34269 states and 78432 transitions. Word has length 498 [2021-07-13 18:18:59,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 18:18:59,359 INFO L482 AbstractCegarLoop]: Abstraction has 34269 states and 78432 transitions. [2021-07-13 18:18:59,360 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 58 states, 58 states have (on average 12.775862068965518) internal successors, (741), 58 states have internal predecessors, (741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:18:59,360 INFO L276 IsEmpty]: Start isEmpty. Operand 34269 states and 78432 transitions. [2021-07-13 18:18:59,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 532 [2021-07-13 18:18:59,406 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 18:18:59,406 INFO L508 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 9, 9, 9, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 18:18:59,608 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable248 [2021-07-13 18:18:59,609 INFO L430 AbstractCegarLoop]: === Iteration 17 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 18:18:59,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 18:18:59,609 INFO L82 PathProgramCache]: Analyzing trace with hash 291210636, now seen corresponding path program 10 times [2021-07-13 18:18:59,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 18:18:59,610 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092233268] [2021-07-13 18:18:59,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 18:18:59,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 18:18:59,996 INFO L134 CoverageAnalysis]: Checked inductivity of 2347 backedges. 0 proven. 2347 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 18:18:59,997 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 18:18:59,997 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092233268] [2021-07-13 18:18:59,997 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092233268] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 18:18:59,997 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1066113420] [2021-07-13 18:18:59,997 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 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 [2021-07-13 18:19:03,087 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-13 18:19:03,087 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 18:19:03,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 971 conjuncts, 28 conjunts are in the unsatisfiable core [2021-07-13 18:19:03,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 18:19:03,605 INFO L134 CoverageAnalysis]: Checked inductivity of 2347 backedges. 0 proven. 2347 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 18:19:03,605 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1066113420] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 18:19:03,605 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 18:19:03,605 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29] total 31 [2021-07-13 18:19:03,605 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792411228] [2021-07-13 18:19:03,606 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-13 18:19:03,606 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 18:19:03,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-13 18:19:03,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=255, Invalid=675, Unknown=0, NotChecked=0, Total=930 [2021-07-13 18:19:03,607 INFO L87 Difference]: Start difference. First operand 34269 states and 78432 transitions. Second operand has 31 states, 31 states have (on average 18.322580645161292) internal successors, (568), 31 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:19:04,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 18:19:04,148 INFO L93 Difference]: Finished difference Result 39885 states and 91260 transitions. [2021-07-13 18:19:04,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-13 18:19:04,149 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 31 states have (on average 18.322580645161292) internal successors, (568), 31 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 531 [2021-07-13 18:19:04,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 18:19:04,216 INFO L225 Difference]: With dead ends: 39885 [2021-07-13 18:19:04,216 INFO L226 Difference]: Without dead ends: 39885 [2021-07-13 18:19:04,217 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 585 GetRequests, 530 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 599 ImplicationChecksByTransitivity, 567.9ms TimeCoverageRelationStatistics Valid=1012, Invalid=2180, Unknown=0, NotChecked=0, Total=3192 [2021-07-13 18:19:04,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39885 states. [2021-07-13 18:19:04,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39885 to 37167. [2021-07-13 18:19:04,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37167 states, 37166 states have (on average 2.2884087606952592) internal successors, (85051), 37166 states have internal predecessors, (85051), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:19:05,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37167 states to 37167 states and 85051 transitions. [2021-07-13 18:19:05,054 INFO L78 Accepts]: Start accepts. Automaton has 37167 states and 85051 transitions. Word has length 531 [2021-07-13 18:19:05,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 18:19:05,055 INFO L482 AbstractCegarLoop]: Abstraction has 37167 states and 85051 transitions. [2021-07-13 18:19:05,055 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 18.322580645161292) internal successors, (568), 31 states have internal predecessors, (568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:19:05,055 INFO L276 IsEmpty]: Start isEmpty. Operand 37167 states and 85051 transitions. [2021-07-13 18:19:05,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 565 [2021-07-13 18:19:05,110 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 18:19:05,110 INFO L508 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 10, 10, 10, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 18:19:05,314 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable249,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 18:19:05,315 INFO L430 AbstractCegarLoop]: === Iteration 18 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 18:19:05,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 18:19:05,316 INFO L82 PathProgramCache]: Analyzing trace with hash 239946265, now seen corresponding path program 11 times [2021-07-13 18:19:05,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 18:19:05,317 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279600394] [2021-07-13 18:19:05,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 18:19:05,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 18:19:05,704 INFO L134 CoverageAnalysis]: Checked inductivity of 2753 backedges. 0 proven. 2753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 18:19:05,704 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 18:19:05,705 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279600394] [2021-07-13 18:19:05,705 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279600394] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 18:19:05,705 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2048934938] [2021-07-13 18:19:05,705 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 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 [2021-07-13 18:20:14,813 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2021-07-13 18:20:14,813 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 18:20:14,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 709 conjuncts, 223 conjunts are in the unsatisfiable core [2021-07-13 18:20:14,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 18:20:15,099 INFO L388 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 [2021-07-13 18:20:15,100 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:20:15,103 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:20:15,104 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:20:15,104 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:22, output treesize:7 [2021-07-13 18:20:15,150 INFO L388 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 [2021-07-13 18:20:15,151 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:20:15,152 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:20:15,152 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:20:15,153 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:9 [2021-07-13 18:20:15,187 INFO L354 Elim1Store]: treesize reduction 25, result has 47.9 percent of original size [2021-07-13 18:20:15,188 INFO L388 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 38 [2021-07-13 18:20:15,189 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:20:15,196 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:20:15,197 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-07-13 18:20:15,197 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:23 [2021-07-13 18:20:15,444 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 18:20:15,445 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 18:20:15,454 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-07-13 18:20:15,455 INFO L388 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 27 [2021-07-13 18:20:15,456 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:20:15,469 INFO L354 Elim1Store]: treesize reduction 21, result has 47.5 percent of original size [2021-07-13 18:20:15,469 INFO L388 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 34 [2021-07-13 18:20:15,473 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 18:20:15,493 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:20:15,495 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-07-13 18:20:15,495 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:96, output treesize:48 [2021-07-13 18:20:15,550 INFO L388 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 [2021-07-13 18:20:15,551 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:20:15,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 18:20:15,556 INFO L388 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 [2021-07-13 18:20:15,557 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 18:20:15,572 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:20:15,573 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-07-13 18:20:15,573 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2021-07-13 18:20:15,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 18:20:15,813 INFO L388 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 41 treesize of output 19 [2021-07-13 18:20:15,813 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:20:15,816 INFO L388 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 [2021-07-13 18:20:15,816 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 18:20:15,823 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:20:15,824 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-07-13 18:20:15,824 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:98, output treesize:45 [2021-07-13 18:20:15,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 18:20:15,893 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2021-07-13 18:20:15,894 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:20:15,911 INFO L354 Elim1Store]: treesize reduction 25, result has 47.9 percent of original size [2021-07-13 18:20:15,911 INFO L388 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 38 [2021-07-13 18:20:15,912 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 18:20:15,932 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:20:15,934 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2021-07-13 18:20:15,934 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:76, output treesize:58 [2021-07-13 18:20:16,252 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-07-13 18:20:16,253 INFO L388 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 30 [2021-07-13 18:20:16,255 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-13 18:20:16,258 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 18:20:16,264 INFO L354 Elim1Store]: treesize reduction 23, result has 28.1 percent of original size [2021-07-13 18:20:16,265 INFO L388 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 27 [2021-07-13 18:20:16,270 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 18:20:16,287 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:20:16,289 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-07-13 18:20:16,289 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:90, output treesize:48 [2021-07-13 18:20:16,456 INFO L388 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 [2021-07-13 18:20:16,457 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:20:16,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 18:20:16,462 INFO L388 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 [2021-07-13 18:20:16,463 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 18:20:16,479 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:20:16,480 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-07-13 18:20:16,481 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2021-07-13 18:20:16,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 18:20:16,845 INFO L388 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 32 treesize of output 16 [2021-07-13 18:20:16,846 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:20:16,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 19 [2021-07-13 18:20:16,852 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 18:20:16,860 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:20:16,861 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-07-13 18:20:16,861 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:98, output treesize:45 [2021-07-13 18:20:16,951 INFO L354 Elim1Store]: treesize reduction 25, result has 47.9 percent of original size [2021-07-13 18:20:16,952 INFO L388 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 38 [2021-07-13 18:20:16,953 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:20:16,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 18:20:16,965 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 25 [2021-07-13 18:20:16,966 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 18:20:16,995 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:20:16,997 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2021-07-13 18:20:16,997 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:76, output treesize:58 [2021-07-13 18:20:17,383 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-07-13 18:20:17,383 INFO L388 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 30 [2021-07-13 18:20:17,385 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-13 18:20:17,389 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 18:20:17,397 INFO L354 Elim1Store]: treesize reduction 23, result has 28.1 percent of original size [2021-07-13 18:20:17,397 INFO L388 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 27 [2021-07-13 18:20:17,398 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 18:20:17,417 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:20:17,419 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-07-13 18:20:17,419 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:90, output treesize:48 [2021-07-13 18:20:17,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 18:20:17,482 INFO L388 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 [2021-07-13 18:20:17,483 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:20:17,487 INFO L388 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 [2021-07-13 18:20:17,487 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 18:20:17,503 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:20:17,505 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-07-13 18:20:17,505 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2021-07-13 18:20:17,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 18:20:17,695 INFO L388 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 [2021-07-13 18:20:17,696 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:20:17,698 INFO L388 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 [2021-07-13 18:20:17,700 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 18:20:17,706 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:20:17,707 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-07-13 18:20:17,707 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:78, output treesize:35 [2021-07-13 18:20:17,789 INFO L388 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 [2021-07-13 18:20:17,790 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:20:17,811 INFO L354 Elim1Store]: treesize reduction 25, result has 47.9 percent of original size [2021-07-13 18:20:17,812 INFO L388 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 38 [2021-07-13 18:20:17,815 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 18:20:17,829 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:20:17,830 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2021-07-13 18:20:17,831 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:66, output treesize:48 [2021-07-13 18:20:18,180 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-07-13 18:20:18,181 INFO L388 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 30 [2021-07-13 18:20:18,198 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-13 18:20:18,201 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 18:20:18,208 INFO L354 Elim1Store]: treesize reduction 23, result has 28.1 percent of original size [2021-07-13 18:20:18,209 INFO L388 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 27 [2021-07-13 18:20:18,210 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 18:20:18,227 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:20:18,229 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-07-13 18:20:18,230 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:90, output treesize:48 [2021-07-13 18:20:18,303 INFO L388 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 [2021-07-13 18:20:18,304 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:20:18,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 18:20:18,309 INFO L388 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 [2021-07-13 18:20:18,310 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 18:20:18,327 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:20:18,328 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-07-13 18:20:18,328 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2021-07-13 18:20:18,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 18:20:18,574 INFO L388 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 [2021-07-13 18:20:18,575 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:20:18,577 INFO L388 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 [2021-07-13 18:20:18,578 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 18:20:18,591 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:20:18,592 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-07-13 18:20:18,592 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:78, output treesize:35 [2021-07-13 18:20:18,689 INFO L354 Elim1Store]: treesize reduction 25, result has 47.9 percent of original size [2021-07-13 18:20:18,689 INFO L388 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 38 [2021-07-13 18:20:18,691 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:20:18,694 INFO L388 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 [2021-07-13 18:20:18,694 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 18:20:18,709 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:20:18,725 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2021-07-13 18:20:18,726 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:66, output treesize:48 [2021-07-13 18:20:19,176 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 18:20:19,177 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 18:20:19,187 INFO L354 Elim1Store]: treesize reduction 23, result has 28.1 percent of original size [2021-07-13 18:20:19,188 INFO L388 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 27 [2021-07-13 18:20:19,193 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:20:19,214 INFO L354 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2021-07-13 18:20:19,214 INFO L388 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 30 [2021-07-13 18:20:19,216 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-07-13 18:20:19,234 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:20:19,236 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-07-13 18:20:19,236 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:90, output treesize:48 [2021-07-13 18:20:19,314 INFO L388 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 [2021-07-13 18:20:19,315 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:20:19,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 18:20:19,320 INFO L388 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 [2021-07-13 18:20:19,321 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 18:20:19,338 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:20:19,339 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2021-07-13 18:20:19,339 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:78, output treesize:48 [2021-07-13 18:20:19,562 INFO L388 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 [2021-07-13 18:20:19,563 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:20:19,568 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:20:19,568 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:20:19,568 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:34 [2021-07-13 18:20:19,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 18:20:19,633 INFO L388 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 [2021-07-13 18:20:19,634 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:20:19,640 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:20:19,641 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:20:19,641 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:49, output treesize:34 [2021-07-13 18:20:19,998 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 18:20:20,010 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-07-13 18:20:20,010 INFO L388 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 27 [2021-07-13 18:20:20,011 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:20:20,021 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:20:20,022 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:20:20,022 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:64, output treesize:40 [2021-07-13 18:20:20,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 18:20:20,033 INFO L388 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 [2021-07-13 18:20:20,034 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:20:20,042 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:20:20,043 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:20:20,043 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:40 [2021-07-13 18:20:20,245 INFO L388 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 [2021-07-13 18:20:20,246 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:20:20,252 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:20:20,253 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:20:20,253 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:34 [2021-07-13 18:20:20,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 18:20:20,326 INFO L388 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 [2021-07-13 18:20:20,327 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:20:20,335 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:20:20,336 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:20:20,336 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:49, output treesize:34 [2021-07-13 18:20:20,739 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 18:20:20,745 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-07-13 18:20:20,746 INFO L388 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 27 [2021-07-13 18:20:20,747 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:20:20,757 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:20:20,758 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:20:20,758 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:64, output treesize:40 [2021-07-13 18:20:20,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 18:20:20,771 INFO L388 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 [2021-07-13 18:20:20,772 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:20:20,781 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:20:20,782 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:20:20,782 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:40 [2021-07-13 18:20:21,149 INFO L388 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 [2021-07-13 18:20:21,150 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:20:21,156 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:20:21,156 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:20:21,157 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:34 [2021-07-13 18:20:21,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 18:20:21,233 INFO L388 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 [2021-07-13 18:20:21,234 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:20:21,240 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:20:21,241 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:20:21,241 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:49, output treesize:34 [2021-07-13 18:20:21,666 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 18:20:21,676 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-07-13 18:20:21,677 INFO L388 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 27 [2021-07-13 18:20:21,678 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:20:21,688 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:20:21,689 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:20:21,689 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:64, output treesize:40 [2021-07-13 18:20:21,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 18:20:21,701 INFO L388 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 [2021-07-13 18:20:21,702 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:20:21,711 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:20:21,711 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:20:21,712 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:40 [2021-07-13 18:20:22,135 INFO L388 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 [2021-07-13 18:20:22,137 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:20:22,144 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:20:22,145 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:20:22,145 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:34 [2021-07-13 18:20:22,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 18:20:22,231 INFO L388 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 [2021-07-13 18:20:22,232 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:20:22,238 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:20:22,239 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:20:22,240 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:49, output treesize:34 [2021-07-13 18:20:22,703 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 18:20:22,710 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-07-13 18:20:22,711 INFO L388 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 27 [2021-07-13 18:20:22,712 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:20:22,722 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:20:22,723 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:20:22,723 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:64, output treesize:40 [2021-07-13 18:20:22,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 18:20:22,735 INFO L388 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 [2021-07-13 18:20:22,736 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:20:22,744 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:20:22,745 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:20:22,746 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:40 [2021-07-13 18:20:22,971 INFO L388 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 [2021-07-13 18:20:22,972 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:20:22,978 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:20:22,979 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:20:22,979 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:58, output treesize:34 [2021-07-13 18:20:23,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 18:20:23,071 INFO L388 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 [2021-07-13 18:20:23,072 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:20:23,076 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:20:23,077 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:20:23,077 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:36, output treesize:9 [2021-07-13 18:20:23,334 INFO L354 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2021-07-13 18:20:23,334 INFO L388 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 27 [2021-07-13 18:20:23,335 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:20:23,339 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:20:23,340 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:20:23,340 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:34, output treesize:9 [2021-07-13 18:20:23,355 INFO L354 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2021-07-13 18:20:23,355 INFO L388 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 [2021-07-13 18:20:23,356 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:20:23,359 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:20:23,360 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:20:23,360 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:9 [2021-07-13 18:20:23,366 INFO L388 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 [2021-07-13 18:20:23,367 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:20:23,368 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:20:23,368 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:20:23,368 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:19, output treesize:3 [2021-07-13 18:20:23,500 INFO L134 CoverageAnalysis]: Checked inductivity of 2753 backedges. 1884 proven. 823 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-07-13 18:20:23,500 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2048934938] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 18:20:23,501 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 18:20:23,501 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 94] total 123 [2021-07-13 18:20:23,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931343195] [2021-07-13 18:20:23,502 INFO L462 AbstractCegarLoop]: Interpolant automaton has 123 states [2021-07-13 18:20:23,502 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 18:20:23,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 123 interpolants. [2021-07-13 18:20:23,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1286, Invalid=13720, Unknown=0, NotChecked=0, Total=15006 [2021-07-13 18:20:23,504 INFO L87 Difference]: Start difference. First operand 37167 states and 85051 transitions. Second operand has 123 states, 123 states have (on average 7.983739837398374) internal successors, (982), 123 states have internal predecessors, (982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:21:28,771 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 49 [2021-07-13 18:21:35,200 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 37 [2021-07-13 18:21:38,524 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 45 [2021-07-13 18:21:45,361 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 55 [2021-07-13 18:21:48,999 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 33 [2021-07-13 18:21:58,599 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 42 [2021-07-13 18:22:02,364 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 56 [2021-07-13 18:22:03,386 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2021-07-13 18:22:21,477 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 44 [2021-07-13 18:22:23,563 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 45 [2021-07-13 18:22:34,727 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 54 [2021-07-13 18:22:41,172 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2021-07-13 18:22:51,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 18:22:51,141 INFO L93 Difference]: Finished difference Result 97751 states and 225682 transitions. [2021-07-13 18:22:51,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 1414 states. [2021-07-13 18:22:51,141 INFO L78 Accepts]: Start accepts. Automaton has has 123 states, 123 states have (on average 7.983739837398374) internal successors, (982), 123 states have internal predecessors, (982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 564 [2021-07-13 18:22:51,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 18:22:51,456 INFO L225 Difference]: With dead ends: 97751 [2021-07-13 18:22:51,457 INFO L226 Difference]: Without dead ends: 97751 [2021-07-13 18:22:51,618 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 3394 GetRequests, 1842 SyntacticMatches, 31 SemanticMatches, 1521 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1147092 ImplicationChecksByTransitivity, 125821.3ms TimeCoverageRelationStatistics Valid=162245, Invalid=2155761, Unknown=0, NotChecked=0, Total=2318006 [2021-07-13 18:22:51,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97751 states. [2021-07-13 18:22:53,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97751 to 72603. [2021-07-13 18:22:53,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72603 states, 72602 states have (on average 2.2928982672653646) internal successors, (166469), 72602 states have internal predecessors, (166469), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:22:53,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72603 states to 72603 states and 166469 transitions. [2021-07-13 18:22:53,353 INFO L78 Accepts]: Start accepts. Automaton has 72603 states and 166469 transitions. Word has length 564 [2021-07-13 18:22:53,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 18:22:53,354 INFO L482 AbstractCegarLoop]: Abstraction has 72603 states and 166469 transitions. [2021-07-13 18:22:53,354 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 123 states, 123 states have (on average 7.983739837398374) internal successors, (982), 123 states have internal predecessors, (982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:22:53,354 INFO L276 IsEmpty]: Start isEmpty. Operand 72603 states and 166469 transitions. [2021-07-13 18:22:53,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 598 [2021-07-13 18:22:53,464 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 18:22:53,464 INFO L508 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 11, 11, 11, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-13 18:22:53,671 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable250,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 18:22:53,671 INFO L430 AbstractCegarLoop]: === Iteration 19 === [t2Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 18:22:53,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 18:22:53,671 INFO L82 PathProgramCache]: Analyzing trace with hash 73691414, now seen corresponding path program 12 times [2021-07-13 18:22:53,671 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 18:22:53,672 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473942149] [2021-07-13 18:22:53,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 18:22:53,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 18:22:54,503 INFO L134 CoverageAnalysis]: Checked inductivity of 3192 backedges. 0 proven. 3192 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 18:22:54,504 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 18:22:54,504 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473942149] [2021-07-13 18:22:54,504 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473942149] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 18:22:54,504 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1196037835] [2021-07-13 18:22:54,504 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 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 [2021-07-13 18:23:00,961 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2021-07-13 18:23:00,962 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 18:23:00,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 756 conjuncts, 150 conjunts are in the unsatisfiable core [2021-07-13 18:23:00,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 18:23:01,006 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 6 treesize of output 5 [2021-07-13 18:23:01,007 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:23:01,009 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:23:01,009 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:23:01,009 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2021-07-13 18:23:01,037 INFO L354 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2021-07-13 18:23:01,038 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 17 treesize of output 21 [2021-07-13 18:23:01,039 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:23:01,043 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:23:01,044 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:23:01,044 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:21 [2021-07-13 18:23:01,066 INFO L388 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 7 treesize of output 6 [2021-07-13 18:23:01,066 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:23:01,072 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:23:01,073 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:23:01,073 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:28, output treesize:27 [2021-07-13 18:23:01,125 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-07-13 18:23:01,125 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2021-07-13 18:23:01,127 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:23:01,137 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:23:01,138 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:23:01,138 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:38, output treesize:40 [2021-07-13 18:23:01,183 INFO L354 Elim1Store]: treesize reduction 12, result has 52.0 percent of original size [2021-07-13 18:23:01,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 25 [2021-07-13 18:23:01,185 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:23:01,195 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:23:01,196 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:23:01,196 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:37 [2021-07-13 18:23:01,308 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2021-07-13 18:23:01,308 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:23:01,322 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:23:01,323 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:23:01,323 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:56, output treesize:48 [2021-07-13 18:23:01,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2021-07-13 18:23:01,355 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:23:01,367 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:23:01,368 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:23:01,368 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:56, output treesize:48 [2021-07-13 18:23:01,399 INFO L388 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 20 treesize of output 15 [2021-07-13 18:23:01,403 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 18:23:01,413 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:23:01,414 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:23:01,415 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:50, output treesize:42 [2021-07-13 18:23:01,513 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 18 [2021-07-13 18:23:01,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 8 treesize of output 7 [2021-07-13 18:23:01,518 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 18:23:01,521 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:23:01,521 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:23:01,532 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 18:23:01,533 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-07-13 18:23:01,533 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:48, output treesize:25 [2021-07-13 18:23:01,606 INFO L354 Elim1Store]: treesize reduction 17, result has 51.4 percent of original size [2021-07-13 18:23:01,606 INFO L388 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 2 case distinctions, treesize of input 22 treesize of output 34 [2021-07-13 18:23:01,675 INFO L354 Elim1Store]: treesize reduction 17, result has 51.4 percent of original size [2021-07-13 18:23:01,675 INFO L388 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 2 case distinctions, treesize of input 22 treesize of output 34 [2021-07-13 18:23:01,702 INFO L354 Elim1Store]: treesize reduction 17, result has 51.4 percent of original size [2021-07-13 18:23:01,703 INFO L388 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 2 case distinctions, treesize of input 22 treesize of output 34 [2021-07-13 18:23:01,770 INFO L354 Elim1Store]: treesize reduction 17, result has 51.4 percent of original size [2021-07-13 18:23:01,771 INFO L388 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 2 case distinctions, treesize of input 22 treesize of output 34 [2021-07-13 18:23:01,845 INFO L354 Elim1Store]: treesize reduction 24, result has 42.9 percent of original size [2021-07-13 18:23:01,845 INFO L388 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 2 case distinctions, treesize of input 45 treesize of output 55 [2021-07-13 18:23:01,927 INFO L354 Elim1Store]: treesize reduction 24, result has 42.9 percent of original size [2021-07-13 18:23:01,928 INFO L388 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 2 case distinctions, treesize of input 45 treesize of output 55 [2021-07-13 18:23:01,955 INFO L354 Elim1Store]: treesize reduction 24, result has 42.9 percent of original size [2021-07-13 18:23:01,955 INFO L388 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 2 case distinctions, treesize of input 45 treesize of output 55 [2021-07-13 18:23:01,985 INFO L354 Elim1Store]: treesize reduction 24, result has 42.9 percent of original size [2021-07-13 18:23:01,986 INFO L388 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 2 case distinctions, treesize of input 45 treesize of output 55 [2021-07-13 18:23:02,073 INFO L354 Elim1Store]: treesize reduction 24, result has 42.9 percent of original size [2021-07-13 18:23:02,073 INFO L388 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 2 case distinctions, treesize of input 45 treesize of output 55 [2021-07-13 18:23:02,165 INFO L354 Elim1Store]: treesize reduction 24, result has 42.9 percent of original size [2021-07-13 18:23:02,165 INFO L388 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 2 case distinctions, treesize of input 45 treesize of output 55 [2021-07-13 18:23:02,210 INFO L354 Elim1Store]: treesize reduction 29, result has 38.3 percent of original size [2021-07-13 18:23:02,210 INFO L388 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 2 case distinctions, treesize of input 73 treesize of output 81 [2021-07-13 18:23:02,327 INFO L354 Elim1Store]: treesize reduction 29, result has 38.3 percent of original size [2021-07-13 18:23:02,327 INFO L388 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 2 case distinctions, treesize of input 73 treesize of output 81 [2021-07-13 18:23:02,372 INFO L354 Elim1Store]: treesize reduction 29, result has 38.3 percent of original size [2021-07-13 18:23:02,372 INFO L388 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 105 treesize of output 92 [2021-07-13 18:23:02,517 INFO L354 Elim1Store]: treesize reduction 29, result has 38.3 percent of original size [2021-07-13 18:23:02,517 INFO L388 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 105 treesize of output 92 [2021-07-13 18:23:02,572 INFO L354 Elim1Store]: treesize reduction 29, result has 38.3 percent of original size [2021-07-13 18:23:02,573 INFO L388 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 105 treesize of output 92 [2021-07-13 18:23:02,630 INFO L354 Elim1Store]: treesize reduction 29, result has 38.3 percent of original size [2021-07-13 18:23:02,631 INFO L388 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 105 treesize of output 92 [2021-07-13 18:23:02,684 INFO L354 Elim1Store]: treesize reduction 29, result has 38.3 percent of original size [2021-07-13 18:23:02,684 INFO L388 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 105 treesize of output 92 [2021-07-13 18:23:02,739 INFO L354 Elim1Store]: treesize reduction 29, result has 38.3 percent of original size [2021-07-13 18:23:02,739 INFO L388 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 105 treesize of output 92 [2021-07-13 18:23:02,793 INFO L354 Elim1Store]: treesize reduction 29, result has 38.3 percent of original size [2021-07-13 18:23:02,794 INFO L388 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 105 treesize of output 92 [2021-07-13 18:23:02,858 INFO L354 Elim1Store]: treesize reduction 29, result has 38.3 percent of original size [2021-07-13 18:23:02,858 INFO L388 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 173 treesize of output 112 [2021-07-13 18:23:03,050 INFO L354 Elim1Store]: treesize reduction 29, result has 38.3 percent of original size [2021-07-13 18:23:03,050 INFO L388 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 173 treesize of output 112 [2021-07-13 18:23:03,119 INFO L354 Elim1Store]: treesize reduction 29, result has 38.3 percent of original size [2021-07-13 18:23:03,119 INFO L388 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 173 treesize of output 112 [2021-07-13 18:23:03,204 INFO L354 Elim1Store]: treesize reduction 29, result has 38.3 percent of original size [2021-07-13 18:23:03,204 INFO L388 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 173 treesize of output 112 [2021-07-13 18:23:03,279 INFO L354 Elim1Store]: treesize reduction 29, result has 38.3 percent of original size [2021-07-13 18:23:03,280 INFO L388 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 173 treesize of output 112 [2021-07-13 18:23:03,341 INFO L354 Elim1Store]: treesize reduction 29, result has 38.3 percent of original size [2021-07-13 18:23:03,341 INFO L388 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 173 treesize of output 112 [2021-07-13 18:23:03,399 INFO L354 Elim1Store]: treesize reduction 29, result has 38.3 percent of original size [2021-07-13 18:23:03,400 INFO L388 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 173 treesize of output 112 [2021-07-13 18:23:03,458 INFO L354 Elim1Store]: treesize reduction 29, result has 38.3 percent of original size [2021-07-13 18:23:03,458 INFO L388 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 173 treesize of output 112 [2021-07-13 18:23:03,529 INFO L354 Elim1Store]: treesize reduction 29, result has 38.3 percent of original size [2021-07-13 18:23:03,530 INFO L388 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 173 treesize of output 112 [2021-07-13 18:23:03,685 INFO L354 Elim1Store]: treesize reduction 29, result has 38.3 percent of original size [2021-07-13 18:23:03,685 INFO L388 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 173 treesize of output 112 [2021-07-13 18:23:03,744 INFO L354 Elim1Store]: treesize reduction 29, result has 38.3 percent of original size [2021-07-13 18:23:03,744 INFO L388 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 173 treesize of output 112 [2021-07-13 18:23:03,773 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:23:03,773 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~q.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:23:03,805 INFO L354 Elim1Store]: treesize reduction 29, result has 38.3 percent of original size [2021-07-13 18:23:03,805 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 173 treesize of output 112 [2021-07-13 18:23:03,965 INFO L354 Elim1Store]: treesize reduction 29, result has 38.3 percent of original size [2021-07-13 18:23:03,966 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 173 treesize of output 112 [2021-07-13 18:23:04,028 INFO L354 Elim1Store]: treesize reduction 29, result has 38.3 percent of original size [2021-07-13 18:23:04,028 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 173 treesize of output 112 [2021-07-13 18:23:04,189 WARN L313 ript$VariableManager]: TermVariabe t1Thread1of1ForFork0_enqueue_~x not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:23:04,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 18:23:04,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 18:23:04,215 WARN L348 FreeRefinementEngine]: Global settings require throwing the following exception [2021-07-13 18:23:04,416 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable282,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 18:23:04,417 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Unexpected substitution problem. at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1(Elim1Store.java:338) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:414) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimOneRec(ElimStorePlain.java:298) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.eliminateOne(ElimStorePlain.java:607) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:520) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:242) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:307) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:100) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:246) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:201) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:297) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:190) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:180) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:597) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:374) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:63) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:367) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:293) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:238) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-07-13 18:23:04,420 INFO L168 Benchmark]: Toolchain (without parser) took 339420.40 ms. Allocated memory was 200.3 MB in the beginning and 3.8 GB in the end (delta: 3.6 GB). Free memory was 162.6 MB in the beginning and 2.6 GB in the end (delta: -2.4 GB). Peak memory consumption was 1.2 GB. Max. memory is 8.0 GB. [2021-07-13 18:23:04,420 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 200.3 MB. Free memory is still 181.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-13 18:23:04,420 INFO L168 Benchmark]: CACSL2BoogieTranslator took 403.02 ms. Allocated memory is still 200.3 MB. Free memory was 162.3 MB in the beginning and 162.4 MB in the end (delta: -128.8 kB). Peak memory consumption was 11.9 MB. Max. memory is 8.0 GB. [2021-07-13 18:23:04,420 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.32 ms. Allocated memory is still 200.3 MB. Free memory was 162.4 MB in the beginning and 159.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-13 18:23:04,420 INFO L168 Benchmark]: Boogie Preprocessor took 21.49 ms. Allocated memory is still 200.3 MB. Free memory was 159.8 MB in the beginning and 157.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-13 18:23:04,420 INFO L168 Benchmark]: RCFGBuilder took 441.52 ms. Allocated memory is still 200.3 MB. Free memory was 157.7 MB in the beginning and 115.2 MB in the end (delta: 42.5 MB). Peak memory consumption was 43.0 MB. Max. memory is 8.0 GB. [2021-07-13 18:23:04,420 INFO L168 Benchmark]: TraceAbstraction took 338511.22 ms. Allocated memory was 200.3 MB in the beginning and 3.8 GB in the end (delta: 3.6 GB). Free memory was 114.7 MB in the beginning and 2.6 GB in the end (delta: -2.4 GB). Peak memory consumption was 1.2 GB. Max. memory is 8.0 GB. [2021-07-13 18:23:04,421 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 200.3 MB. Free memory is still 181.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 403.02 ms. Allocated memory is still 200.3 MB. Free memory was 162.3 MB in the beginning and 162.4 MB in the end (delta: -128.8 kB). Peak memory consumption was 11.9 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 38.32 ms. Allocated memory is still 200.3 MB. Free memory was 162.4 MB in the beginning and 159.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 21.49 ms. Allocated memory is still 200.3 MB. Free memory was 159.8 MB in the beginning and 157.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 441.52 ms. Allocated memory is still 200.3 MB. Free memory was 157.7 MB in the beginning and 115.2 MB in the end (delta: 42.5 MB). Peak memory consumption was 43.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 338511.22 ms. Allocated memory was 200.3 MB in the beginning and 3.8 GB in the end (delta: 3.6 GB). Free memory was 114.7 MB in the beginning and 2.6 GB in the end (delta: -2.4 GB). Peak memory consumption was 1.2 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Unexpected substitution problem. de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Unexpected substitution problem.: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1(Elim1Store.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...