/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf -i ../../../trunk/examples/svcomp/array-patterns/array23_pattern.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-d966a43 [2022-01-31 10:19:28,681 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-31 10:19:28,683 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-31 10:19:28,732 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-31 10:19:28,732 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-31 10:19:28,733 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-31 10:19:28,737 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-31 10:19:28,745 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-31 10:19:28,747 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-31 10:19:28,748 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-31 10:19:28,749 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-31 10:19:28,750 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-31 10:19:28,750 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-31 10:19:28,750 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-31 10:19:28,751 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-31 10:19:28,751 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-31 10:19:28,752 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-31 10:19:28,752 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-31 10:19:28,753 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-31 10:19:28,754 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-31 10:19:28,755 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-31 10:19:28,761 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-31 10:19:28,763 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-31 10:19:28,764 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-31 10:19:28,768 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-31 10:19:28,770 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-31 10:19:28,770 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-31 10:19:28,771 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-31 10:19:28,771 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-31 10:19:28,772 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-31 10:19:28,772 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-31 10:19:28,772 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-31 10:19:28,772 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-31 10:19:28,773 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-31 10:19:28,773 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-31 10:19:28,773 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-31 10:19:28,778 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/LoopAccelerationJordanC.epf [2022-01-31 10:19:28,790 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-31 10:19:28,790 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-31 10:19:28,791 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-31 10:19:28,791 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-31 10:19:28,791 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-31 10:19:28,791 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-31 10:19:28,791 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-31 10:19:28,791 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-31 10:19:28,791 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-31 10:19:28,791 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-31 10:19:28,792 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-31 10:19:28,792 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-31 10:19:28,792 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-31 10:19:28,792 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-31 10:19:28,793 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-31 10:19:28,793 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-31 10:19:28,793 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-31 10:19:28,793 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-31 10:19:28,793 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 10:19:28,793 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-31 10:19:28,793 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-31 10:19:28,793 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-01-31 10:19:28,794 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_JORDAN 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-01-31 10:19:28,949 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-31 10:19:28,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-31 10:19:28,970 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-31 10:19:28,970 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-31 10:19:28,972 INFO L275 PluginConnector]: CDTParser initialized [2022-01-31 10:19:28,972 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-patterns/array23_pattern.c [2022-01-31 10:19:29,021 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9eec77230/660cdbd46ff64812a8ddb6386fbfa7d2/FLAGc06a793d7 [2022-01-31 10:19:29,374 INFO L306 CDTParser]: Found 1 translation units. [2022-01-31 10:19:29,375 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-patterns/array23_pattern.c [2022-01-31 10:19:29,382 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9eec77230/660cdbd46ff64812a8ddb6386fbfa7d2/FLAGc06a793d7 [2022-01-31 10:19:29,793 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9eec77230/660cdbd46ff64812a8ddb6386fbfa7d2 [2022-01-31 10:19:29,794 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-31 10:19:29,795 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-31 10:19:29,803 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-31 10:19:29,804 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-31 10:19:29,806 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-31 10:19:29,807 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 10:19:29" (1/1) ... [2022-01-31 10:19:29,808 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@166e389c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:19:29, skipping insertion in model container [2022-01-31 10:19:29,808 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.01 10:19:29" (1/1) ... [2022-01-31 10:19:29,812 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-31 10:19:29,826 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-31 10:19:29,965 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/array-patterns/array23_pattern.c[1347,1360] [2022-01-31 10:19:29,994 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 10:19:29,998 INFO L203 MainTranslator]: Completed pre-run [2022-01-31 10:19:30,005 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/array-patterns/array23_pattern.c[1347,1360] [2022-01-31 10:19:30,029 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-01-31 10:19:30,044 INFO L208 MainTranslator]: Completed translation [2022-01-31 10:19:30,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:19:30 WrapperNode [2022-01-31 10:19:30,045 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-31 10:19:30,045 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-31 10:19:30,045 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-31 10:19:30,046 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-31 10:19:30,054 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:19:30" (1/1) ... [2022-01-31 10:19:30,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:19:30" (1/1) ... [2022-01-31 10:19:30,065 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:19:30" (1/1) ... [2022-01-31 10:19:30,065 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:19:30" (1/1) ... [2022-01-31 10:19:30,077 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:19:30" (1/1) ... [2022-01-31 10:19:30,080 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:19:30" (1/1) ... [2022-01-31 10:19:30,081 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:19:30" (1/1) ... [2022-01-31 10:19:30,082 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-31 10:19:30,083 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-31 10:19:30,083 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-31 10:19:30,083 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-31 10:19:30,085 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:19:30" (1/1) ... [2022-01-31 10:19:30,090 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-31 10:19:30,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 10:19:30,106 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-01-31 10:19:30,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-01-31 10:19:30,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-01-31 10:19:30,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-31 10:19:30,175 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-01-31 10:19:30,175 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-01-31 10:19:30,175 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-01-31 10:19:30,175 INFO L138 BoogieDeclarations]: Found implementation of procedure outerBoundaryPatternCheck [2022-01-31 10:19:30,175 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-01-31 10:19:30,175 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-01-31 10:19:30,176 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-01-31 10:19:30,176 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-01-31 10:19:30,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-31 10:19:30,176 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-01-31 10:19:30,176 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-01-31 10:19:30,176 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2022-01-31 10:19:30,177 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2022-01-31 10:19:30,177 INFO L130 BoogieDeclarations]: Found specification of procedure outerBoundaryPatternCheck [2022-01-31 10:19:30,178 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-01-31 10:19:30,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-31 10:19:30,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-31 10:19:30,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-01-31 10:19:30,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-31 10:19:30,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-01-31 10:19:30,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-31 10:19:30,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-31 10:19:30,241 INFO L234 CfgBuilder]: Building ICFG [2022-01-31 10:19:30,242 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-31 10:19:30,357 INFO L275 CfgBuilder]: Performing block encoding [2022-01-31 10:19:30,362 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-31 10:19:30,362 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2022-01-31 10:19:30,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 10:19:30 BoogieIcfgContainer [2022-01-31 10:19:30,363 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-31 10:19:30,364 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-01-31 10:19:30,364 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-01-31 10:19:30,369 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-01-31 10:19:30,371 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 10:19:30" (1/1) ... [2022-01-31 10:19:30,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 10:19:30 BasicIcfg [2022-01-31 10:19:30,400 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-01-31 10:19:30,404 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-31 10:19:30,404 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-31 10:19:30,409 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-31 10:19:30,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.01 10:19:29" (1/4) ... [2022-01-31 10:19:30,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@201c02cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 10:19:30, skipping insertion in model container [2022-01-31 10:19:30,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.01 10:19:30" (2/4) ... [2022-01-31 10:19:30,410 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@201c02cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.01 10:19:30, skipping insertion in model container [2022-01-31 10:19:30,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.01 10:19:30" (3/4) ... [2022-01-31 10:19:30,414 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@201c02cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.01 10:19:30, skipping insertion in model container [2022-01-31 10:19:30,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 31.01 10:19:30" (4/4) ... [2022-01-31 10:19:30,415 INFO L111 eAbstractionObserver]: Analyzing ICFG array23_pattern.cJordan [2022-01-31 10:19:30,418 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:ForwardPredicates Determinization: PREDICATE_ABSTRACTION [2022-01-31 10:19:30,419 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-31 10:19:30,445 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-31 10:19:30,449 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=ForwardPredicates, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-31 10:19:30,449 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-31 10:19:30,458 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 34 states have (on average 1.5) internal successors, (51), 35 states have internal predecessors, (51), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-01-31 10:19:30,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-01-31 10:19:30,463 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 10:19:30,463 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-31 10:19:30,464 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 10:19:30,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 10:19:30,471 INFO L85 PathProgramCache]: Analyzing trace with hash -250346427, now seen corresponding path program 1 times [2022-01-31 10:19:30,476 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 10:19:30,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138671464] [2022-01-31 10:19:30,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 10:19:30,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 10:19:30,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 10:19:30,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-01-31 10:19:30,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 10:19:30,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-01-31 10:19:30,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 10:19:30,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-31 10:19:30,674 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 10:19:30,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138671464] [2022-01-31 10:19:30,675 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138671464] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 10:19:30,676 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 10:19:30,676 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-31 10:19:30,677 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552773769] [2022-01-31 10:19:30,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 10:19:30,680 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-31 10:19:30,681 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 10:19:30,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-31 10:19:30,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-31 10:19:30,705 INFO L87 Difference]: Start difference. First operand has 49 states, 34 states have (on average 1.5) internal successors, (51), 35 states have internal predecessors, (51), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-31 10:19:30,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 10:19:30,821 INFO L93 Difference]: Finished difference Result 49 states and 59 transitions. [2022-01-31 10:19:30,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-31 10:19:30,823 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20 [2022-01-31 10:19:30,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 10:19:30,827 INFO L225 Difference]: With dead ends: 49 [2022-01-31 10:19:30,827 INFO L226 Difference]: Without dead ends: 42 [2022-01-31 10:19:30,828 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-31 10:19:30,830 INFO L933 BasicCegarLoop]: 57 mSDtfsCounter, 12 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-31 10:19:30,831 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 61 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-31 10:19:30,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2022-01-31 10:19:30,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2022-01-31 10:19:30,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 30 states have (on average 1.2666666666666666) internal successors, (38), 30 states have internal predecessors, (38), 8 states have call successors, (8), 5 states have call predecessors, (8), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-01-31 10:19:30,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 52 transitions. [2022-01-31 10:19:30,856 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 52 transitions. Word has length 20 [2022-01-31 10:19:30,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 10:19:30,856 INFO L470 AbstractCegarLoop]: Abstraction has 42 states and 52 transitions. [2022-01-31 10:19:30,856 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-01-31 10:19:30,856 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 52 transitions. [2022-01-31 10:19:30,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-01-31 10:19:30,858 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 10:19:30,858 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2022-01-31 10:19:30,858 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-31 10:19:30,858 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 10:19:30,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 10:19:30,859 INFO L85 PathProgramCache]: Analyzing trace with hash -1292301639, now seen corresponding path program 1 times [2022-01-31 10:19:30,859 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 10:19:30,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819546760] [2022-01-31 10:19:30,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 10:19:30,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 10:19:30,875 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-01-31 10:19:30,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1576509303] [2022-01-31 10:19:30,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 10:19:30,875 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-31 10:19:30,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 10:19:30,877 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-31 10:19:30,878 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-01-31 10:19:30,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 10:19:30,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 5 conjunts are in the unsatisfiable core [2022-01-31 10:19:30,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-31 10:19:31,060 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-01-31 10:19:31,060 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-31 10:19:31,060 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 10:19:31,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819546760] [2022-01-31 10:19:31,060 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-01-31 10:19:31,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1576509303] [2022-01-31 10:19:31,061 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1576509303] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 10:19:31,061 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 10:19:31,061 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 10:19:31,061 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474110178] [2022-01-31 10:19:31,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 10:19:31,062 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 10:19:31,062 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 10:19:31,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 10:19:31,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-31 10:19:31,063 INFO L87 Difference]: Start difference. First operand 42 states and 52 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-01-31 10:19:31,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 10:19:31,079 INFO L93 Difference]: Finished difference Result 48 states and 59 transitions. [2022-01-31 10:19:31,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-31 10:19:31,079 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 47 [2022-01-31 10:19:31,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 10:19:31,080 INFO L225 Difference]: With dead ends: 48 [2022-01-31 10:19:31,080 INFO L226 Difference]: Without dead ends: 45 [2022-01-31 10:19:31,080 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-31 10:19:31,081 INFO L933 BasicCegarLoop]: 50 mSDtfsCounter, 12 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-31 10:19:31,082 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 175 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-31 10:19:31,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-01-31 10:19:31,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2022-01-31 10:19:31,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 33 states have internal predecessors, (42), 8 states have call successors, (8), 5 states have call predecessors, (8), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-01-31 10:19:31,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 56 transitions. [2022-01-31 10:19:31,086 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 56 transitions. Word has length 47 [2022-01-31 10:19:31,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 10:19:31,087 INFO L470 AbstractCegarLoop]: Abstraction has 45 states and 56 transitions. [2022-01-31 10:19:31,087 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-01-31 10:19:31,087 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 56 transitions. [2022-01-31 10:19:31,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-01-31 10:19:31,088 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 10:19:31,089 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2022-01-31 10:19:31,106 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-01-31 10:19:31,303 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-31 10:19:31,303 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 10:19:31,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 10:19:31,306 INFO L85 PathProgramCache]: Analyzing trace with hash 1420970935, now seen corresponding path program 1 times [2022-01-31 10:19:31,306 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 10:19:31,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491075565] [2022-01-31 10:19:31,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 10:19:31,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 10:19:31,318 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-01-31 10:19:31,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1149421403] [2022-01-31 10:19:31,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 10:19:31,319 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-31 10:19:31,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 10:19:31,320 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-31 10:19:31,343 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-31 10:19:31,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 10:19:31,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-31 10:19:31,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-31 10:19:31,502 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-01-31 10:19:31,503 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-31 10:19:31,503 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 10:19:31,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491075565] [2022-01-31 10:19:31,504 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-01-31 10:19:31,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1149421403] [2022-01-31 10:19:31,504 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1149421403] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 10:19:31,505 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 10:19:31,505 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-31 10:19:31,505 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143679132] [2022-01-31 10:19:31,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 10:19:31,506 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-31 10:19:31,506 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 10:19:31,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-31 10:19:31,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-01-31 10:19:31,507 INFO L87 Difference]: Start difference. First operand 45 states and 56 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-01-31 10:19:31,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 10:19:31,592 INFO L93 Difference]: Finished difference Result 77 states and 97 transitions. [2022-01-31 10:19:31,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-31 10:19:31,593 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 52 [2022-01-31 10:19:31,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 10:19:31,597 INFO L225 Difference]: With dead ends: 77 [2022-01-31 10:19:31,597 INFO L226 Difference]: Without dead ends: 55 [2022-01-31 10:19:31,597 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-01-31 10:19:31,599 INFO L933 BasicCegarLoop]: 42 mSDtfsCounter, 28 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-31 10:19:31,601 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 128 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-31 10:19:31,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2022-01-31 10:19:31,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 46. [2022-01-31 10:19:31,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 34 states have (on average 1.2647058823529411) internal successors, (43), 34 states have internal predecessors, (43), 8 states have call successors, (8), 5 states have call predecessors, (8), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-01-31 10:19:31,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 57 transitions. [2022-01-31 10:19:31,613 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 57 transitions. Word has length 52 [2022-01-31 10:19:31,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 10:19:31,613 INFO L470 AbstractCegarLoop]: Abstraction has 46 states and 57 transitions. [2022-01-31 10:19:31,613 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-01-31 10:19:31,613 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 57 transitions. [2022-01-31 10:19:31,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-01-31 10:19:31,614 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 10:19:31,614 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2022-01-31 10:19:31,633 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-01-31 10:19:31,815 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-01-31 10:19:31,816 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 10:19:31,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 10:19:31,817 INFO L85 PathProgramCache]: Analyzing trace with hash 1455908948, now seen corresponding path program 1 times [2022-01-31 10:19:31,817 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 10:19:31,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967233022] [2022-01-31 10:19:31,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 10:19:31,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 10:19:31,839 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-01-31 10:19:31,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [128479055] [2022-01-31 10:19:31,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 10:19:31,840 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-31 10:19:31,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 10:19:31,841 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-31 10:19:31,845 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-01-31 10:19:31,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 10:19:31,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-31 10:19:31,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-31 10:19:31,985 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-01-31 10:19:31,985 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-01-31 10:19:31,986 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 10:19:31,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967233022] [2022-01-31 10:19:31,986 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-01-31 10:19:31,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [128479055] [2022-01-31 10:19:31,986 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [128479055] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-31 10:19:31,986 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-31 10:19:31,986 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-31 10:19:31,986 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093783757] [2022-01-31 10:19:31,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-31 10:19:31,987 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-31 10:19:31,987 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 10:19:31,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-31 10:19:31,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-31 10:19:31,988 INFO L87 Difference]: Start difference. First operand 46 states and 57 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-01-31 10:19:32,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 10:19:32,033 INFO L93 Difference]: Finished difference Result 49 states and 59 transitions. [2022-01-31 10:19:32,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-31 10:19:32,034 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 55 [2022-01-31 10:19:32,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 10:19:32,034 INFO L225 Difference]: With dead ends: 49 [2022-01-31 10:19:32,034 INFO L226 Difference]: Without dead ends: 49 [2022-01-31 10:19:32,034 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-01-31 10:19:32,035 INFO L933 BasicCegarLoop]: 42 mSDtfsCounter, 25 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-01-31 10:19:32,035 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [29 Valid, 96 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-01-31 10:19:32,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2022-01-31 10:19:32,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 46. [2022-01-31 10:19:32,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 34 states have (on average 1.2352941176470589) internal successors, (42), 34 states have internal predecessors, (42), 8 states have call successors, (8), 5 states have call predecessors, (8), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-01-31 10:19:32,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 56 transitions. [2022-01-31 10:19:32,039 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 56 transitions. Word has length 55 [2022-01-31 10:19:32,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 10:19:32,039 INFO L470 AbstractCegarLoop]: Abstraction has 46 states and 56 transitions. [2022-01-31 10:19:32,039 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-01-31 10:19:32,039 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 56 transitions. [2022-01-31 10:19:32,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-01-31 10:19:32,040 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 10:19:32,040 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2022-01-31 10:19:32,061 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-01-31 10:19:32,253 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-31 10:19:32,253 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 10:19:32,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 10:19:32,254 INFO L85 PathProgramCache]: Analyzing trace with hash -229737447, now seen corresponding path program 1 times [2022-01-31 10:19:32,254 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 10:19:32,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441779371] [2022-01-31 10:19:32,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 10:19:32,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 10:19:32,264 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-01-31 10:19:32,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1657609036] [2022-01-31 10:19:32,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 10:19:32,265 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-31 10:19:32,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 10:19:32,276 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-31 10:19:32,324 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-01-31 10:19:32,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-31 10:19:32,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 11 conjunts are in the unsatisfiable core [2022-01-31 10:19:32,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-31 10:19:32,483 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-01-31 10:19:32,484 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-31 10:19:32,643 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-01-31 10:19:32,643 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 10:19:32,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441779371] [2022-01-31 10:19:32,643 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-01-31 10:19:32,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1657609036] [2022-01-31 10:19:32,644 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1657609036] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-31 10:19:32,644 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-01-31 10:19:32,644 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2022-01-31 10:19:32,644 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339872806] [2022-01-31 10:19:32,644 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-01-31 10:19:32,646 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-01-31 10:19:32,646 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 10:19:32,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-01-31 10:19:32,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2022-01-31 10:19:32,647 INFO L87 Difference]: Start difference. First operand 46 states and 56 transitions. Second operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 11 states have internal predecessors, (50), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 4 states have call predecessors, (11), 2 states have call successors, (11) [2022-01-31 10:19:32,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 10:19:32,767 INFO L93 Difference]: Finished difference Result 56 states and 65 transitions. [2022-01-31 10:19:32,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-01-31 10:19:32,768 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 11 states have internal predecessors, (50), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 4 states have call predecessors, (11), 2 states have call successors, (11) Word has length 57 [2022-01-31 10:19:32,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 10:19:32,769 INFO L225 Difference]: With dead ends: 56 [2022-01-31 10:19:32,769 INFO L226 Difference]: Without dead ends: 56 [2022-01-31 10:19:32,769 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2022-01-31 10:19:32,770 INFO L933 BasicCegarLoop]: 29 mSDtfsCounter, 67 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-31 10:19:32,770 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [71 Valid, 112 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-31 10:19:32,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-01-31 10:19:32,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 54. [2022-01-31 10:19:32,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 41 states have (on average 1.1951219512195121) internal successors, (49), 41 states have internal predecessors, (49), 8 states have call successors, (8), 6 states have call predecessors, (8), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-01-31 10:19:32,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 63 transitions. [2022-01-31 10:19:32,780 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 63 transitions. Word has length 57 [2022-01-31 10:19:32,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 10:19:32,780 INFO L470 AbstractCegarLoop]: Abstraction has 54 states and 63 transitions. [2022-01-31 10:19:32,780 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 11 states have internal predecessors, (50), 2 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (11), 4 states have call predecessors, (11), 2 states have call successors, (11) [2022-01-31 10:19:32,780 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 63 transitions. [2022-01-31 10:19:32,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-01-31 10:19:32,781 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 10:19:32,781 INFO L514 BasicCegarLoop]: trace histogram [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] [2022-01-31 10:19:32,798 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-01-31 10:19:32,994 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-31 10:19:32,994 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 10:19:32,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 10:19:32,995 INFO L85 PathProgramCache]: Analyzing trace with hash 1976393112, now seen corresponding path program 2 times [2022-01-31 10:19:32,995 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 10:19:32,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040619904] [2022-01-31 10:19:32,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 10:19:32,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 10:19:33,005 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-01-31 10:19:33,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [730934338] [2022-01-31 10:19:33,005 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-01-31 10:19:33,005 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-31 10:19:33,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 10:19:33,006 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-31 10:19:33,007 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-01-31 10:19:33,053 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-01-31 10:19:33,054 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-31 10:19:33,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 6 conjunts are in the unsatisfiable core [2022-01-31 10:19:33,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-31 10:19:33,180 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-01-31 10:19:33,180 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-31 10:19:33,291 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-01-31 10:19:33,291 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-31 10:19:33,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040619904] [2022-01-31 10:19:33,291 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-01-31 10:19:33,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [730934338] [2022-01-31 10:19:33,291 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [730934338] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-31 10:19:33,291 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-01-31 10:19:33,292 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-01-31 10:19:33,292 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811508535] [2022-01-31 10:19:33,292 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-01-31 10:19:33,292 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-01-31 10:19:33,292 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-31 10:19:33,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-01-31 10:19:33,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-01-31 10:19:33,293 INFO L87 Difference]: Start difference. First operand 54 states and 63 transitions. Second operand has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-01-31 10:19:33,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-01-31 10:19:33,436 INFO L93 Difference]: Finished difference Result 80 states and 93 transitions. [2022-01-31 10:19:33,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-01-31 10:19:33,436 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 61 [2022-01-31 10:19:33,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-01-31 10:19:33,437 INFO L225 Difference]: With dead ends: 80 [2022-01-31 10:19:33,437 INFO L226 Difference]: Without dead ends: 80 [2022-01-31 10:19:33,437 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2022-01-31 10:19:33,438 INFO L933 BasicCegarLoop]: 40 mSDtfsCounter, 46 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-01-31 10:19:33,438 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [50 Valid, 190 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-01-31 10:19:33,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2022-01-31 10:19:33,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 68. [2022-01-31 10:19:33,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 55 states have (on average 1.1818181818181819) internal successors, (65), 55 states have internal predecessors, (65), 8 states have call successors, (8), 6 states have call predecessors, (8), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-01-31 10:19:33,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 79 transitions. [2022-01-31 10:19:33,441 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 79 transitions. Word has length 61 [2022-01-31 10:19:33,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-01-31 10:19:33,442 INFO L470 AbstractCegarLoop]: Abstraction has 68 states and 79 transitions. [2022-01-31 10:19:33,442 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.545454545454546) internal successors, (50), 11 states have internal predecessors, (50), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-01-31 10:19:33,442 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 79 transitions. [2022-01-31 10:19:33,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-01-31 10:19:33,443 INFO L506 BasicCegarLoop]: Found error trace [2022-01-31 10:19:33,443 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 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] [2022-01-31 10:19:33,460 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-01-31 10:19:33,655 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-31 10:19:33,655 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-31 10:19:33,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-31 10:19:33,656 INFO L85 PathProgramCache]: Analyzing trace with hash -310881895, now seen corresponding path program 3 times [2022-01-31 10:19:33,656 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-31 10:19:33,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168082538] [2022-01-31 10:19:33,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-31 10:19:33,657 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-31 10:19:33,667 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-01-31 10:19:33,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1002411498] [2022-01-31 10:19:33,667 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-01-31 10:19:33,667 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-31 10:19:33,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-31 10:19:33,668 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-01-31 10:19:33,669 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-01-31 10:19:34,206 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2022-01-31 10:19:34,206 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-01-31 10:19:34,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 98 conjunts are in the unsatisfiable core [2022-01-31 10:19:34,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-31 10:19:34,350 INFO L387 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 61 treesize of output 56 [2022-01-31 10:19:34,355 INFO L387 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 19 treesize of output 18 [2022-01-31 10:19:34,360 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-01-31 10:19:34,434 INFO L387 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 72 treesize of output 65 [2022-01-31 10:19:34,449 INFO L353 Elim1Store]: treesize reduction 116, result has 18.9 percent of original size [2022-01-31 10:19:34,449 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 64 treesize of output 84 [2022-01-31 10:19:34,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:19:34,464 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 17 [2022-01-31 10:19:34,597 INFO L387 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 77 treesize of output 68 [2022-01-31 10:19:34,629 INFO L353 Elim1Store]: treesize reduction 174, result has 12.6 percent of original size [2022-01-31 10:19:34,630 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 67 treesize of output 89 [2022-01-31 10:19:34,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:19:34,655 INFO L353 Elim1Store]: treesize reduction 44, result has 2.2 percent of original size [2022-01-31 10:19:34,655 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 16 [2022-01-31 10:19:34,750 INFO L387 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 96 treesize of output 85 [2022-01-31 10:19:34,799 INFO L353 Elim1Store]: treesize reduction 364, result has 13.9 percent of original size [2022-01-31 10:19:34,799 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 84 treesize of output 126 [2022-01-31 10:19:34,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:19:34,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:19:34,849 INFO L353 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2022-01-31 10:19:34,850 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 73 treesize of output 36 [2022-01-31 10:19:38,842 INFO L387 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 118 treesize of output 105 [2022-01-31 10:19:39,176 INFO L353 Elim1Store]: treesize reduction 482, result has 29.5 percent of original size [2022-01-31 10:19:39,177 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 104 treesize of output 276 [2022-01-31 10:19:39,530 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-01-31 10:19:39,601 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-01-31 10:19:39,729 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-01-31 10:19:40,095 INFO L353 Elim1Store]: treesize reduction 190, result has 18.5 percent of original size [2022-01-31 10:19:40,095 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 363 treesize of output 329 [2022-01-31 10:19:40,349 WARN L907 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2022-01-31 10:19:40,929 WARN L907 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2022-01-31 10:19:41,441 WARN L907 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2022-01-31 10:20:13,800 WARN L907 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2022-01-31 10:20:14,603 WARN L907 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2022-01-31 10:20:25,969 WARN L907 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2022-01-31 10:20:26,938 WARN L907 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2022-01-31 10:20:28,393 WARN L907 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2022-01-31 10:20:29,141 WARN L907 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2022-01-31 10:20:55,934 WARN L228 SmtUtils]: Spent 18.42s on a formula simplification. DAG size of input: 73 DAG size of output: 40 (called from [L 350] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-01-31 10:20:55,934 INFO L353 Elim1Store]: treesize reduction 88, result has 43.9 percent of original size [2022-01-31 10:20:55,935 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 636 treesize of output 637 [2022-01-31 10:21:57,367 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-01-31 10:21:57,412 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-01-31 10:21:57,687 INFO L353 Elim1Store]: treesize reduction 415, result has 9.8 percent of original size [2022-01-31 10:21:57,687 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 72 treesize of output 82 [2022-01-31 10:21:58,557 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-01-31 10:21:58,613 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-01-31 10:21:58,803 INFO L353 Elim1Store]: treesize reduction 415, result has 9.8 percent of original size [2022-01-31 10:21:58,804 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 72 treesize of output 82 [2022-01-31 10:22:03,580 INFO L353 Elim1Store]: treesize reduction 1136, result has 10.5 percent of original size [2022-01-31 10:22:03,580 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 36 case distinctions, treesize of input 119 treesize of output 182 [2022-01-31 10:22:05,151 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-01-31 10:22:06,411 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-01-31 10:22:06,456 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-01-31 10:22:06,664 INFO L353 Elim1Store]: treesize reduction 415, result has 9.8 percent of original size [2022-01-31 10:22:06,665 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 72 treesize of output 82 [2022-01-31 10:22:07,512 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-01-31 10:22:07,574 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-01-31 10:22:07,809 INFO L353 Elim1Store]: treesize reduction 415, result has 9.8 percent of original size [2022-01-31 10:22:07,810 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 72 treesize of output 82 [2022-01-31 10:22:11,477 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-01-31 10:22:26,236 INFO L353 Elim1Store]: treesize reduction 663, result has 0.2 percent of original size [2022-01-31 10:22:26,237 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 88 treesize of output 1 [2022-01-31 10:22:26,828 INFO L353 Elim1Store]: treesize reduction 663, result has 0.2 percent of original size [2022-01-31 10:22:26,828 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 88 treesize of output 1 [2022-01-31 10:22:28,197 INFO L353 Elim1Store]: treesize reduction 663, result has 0.2 percent of original size [2022-01-31 10:22:28,198 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 88 treesize of output 1 [2022-01-31 10:22:28,554 INFO L353 Elim1Store]: treesize reduction 663, result has 0.2 percent of original size [2022-01-31 10:22:28,554 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 88 treesize of output 1 [2022-01-31 10:22:28,872 INFO L353 Elim1Store]: treesize reduction 663, result has 0.2 percent of original size [2022-01-31 10:22:28,873 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 88 treesize of output 1 [2022-01-31 10:22:31,509 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-01-31 10:22:33,541 INFO L353 Elim1Store]: treesize reduction 1213, result has 11.3 percent of original size [2022-01-31 10:22:33,542 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 36 case distinctions, treesize of input 128 treesize of output 204 [2022-01-31 10:22:35,771 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-01-31 10:22:35,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:22:35,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:22:36,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:22:36,008 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-31 10:22:36,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:22:36,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:22:36,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:22:36,035 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 75 [2022-01-31 10:22:37,403 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-01-31 10:22:37,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:22:37,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:22:37,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:22:37,607 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-31 10:22:37,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:22:37,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:22:37,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:22:37,647 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 75 [2022-01-31 10:22:38,645 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-01-31 10:22:38,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:22:38,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:22:38,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:22:38,901 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-31 10:22:38,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:22:38,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:22:38,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:22:38,940 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 75 [2022-01-31 10:22:39,962 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-01-31 10:22:40,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:22:40,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:22:40,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:22:40,191 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-31 10:22:40,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:22:40,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:22:40,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:22:40,226 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 75 [2022-01-31 10:23:21,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:23:21,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:23:23,582 INFO L353 Elim1Store]: treesize reduction 1178, result has 11.9 percent of original size [2022-01-31 10:23:23,583 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 2 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 34 case distinctions, treesize of input 130 treesize of output 208 [2022-01-31 10:23:26,407 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-01-31 10:23:27,431 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-01-31 10:23:27,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:23:27,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:23:27,997 INFO L353 Elim1Store]: treesize reduction 413, result has 14.7 percent of original size [2022-01-31 10:23:27,997 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 83 treesize of output 108 [2022-01-31 10:23:29,757 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-01-31 10:23:29,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:23:29,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:23:30,269 INFO L353 Elim1Store]: treesize reduction 413, result has 14.7 percent of original size [2022-01-31 10:23:30,269 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 83 treesize of output 108 [2022-01-31 10:23:32,482 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-01-31 10:23:32,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:23:32,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:23:32,972 INFO L353 Elim1Store]: treesize reduction 413, result has 14.7 percent of original size [2022-01-31 10:23:32,973 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 83 treesize of output 108 [2022-01-31 10:23:34,529 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-01-31 10:23:34,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:23:34,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:23:35,061 INFO L353 Elim1Store]: treesize reduction 413, result has 14.7 percent of original size [2022-01-31 10:23:35,062 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 83 treesize of output 108 [2022-01-31 10:24:03,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:24:03,586 INFO L353 Elim1Store]: treesize reduction 383, result has 13.5 percent of original size [2022-01-31 10:24:03,586 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 71 treesize of output 97 [2022-01-31 10:24:07,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:24:08,523 INFO L353 Elim1Store]: treesize reduction 1060, result has 15.1 percent of original size [2022-01-31 10:24:08,523 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 1 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 35 case distinctions, treesize of input 118 treesize of output 237 [2022-01-31 10:24:13,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:24:13,526 INFO L353 Elim1Store]: treesize reduction 383, result has 13.5 percent of original size [2022-01-31 10:24:13,526 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 71 treesize of output 97 [2022-01-31 10:24:14,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:24:14,978 INFO L353 Elim1Store]: treesize reduction 383, result has 13.5 percent of original size [2022-01-31 10:24:14,979 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 71 treesize of output 97 [2022-01-31 10:24:16,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:24:17,039 INFO L353 Elim1Store]: treesize reduction 383, result has 13.5 percent of original size [2022-01-31 10:24:17,040 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 71 treesize of output 97 [2022-01-31 10:25:35,727 INFO L353 Elim1Store]: treesize reduction 1226, result has 11.1 percent of original size [2022-01-31 10:25:35,728 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 36 case distinctions, treesize of input 129 treesize of output 202 [2022-01-31 10:25:38,594 INFO L353 Elim1Store]: treesize reduction 1072, result has 14.0 percent of original size [2022-01-31 10:25:38,595 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 36 case distinctions, treesize of input 117 treesize of output 224 [2022-01-31 10:25:39,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:25:39,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:25:39,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:25:40,090 INFO L353 Elim1Store]: treesize reduction 600, result has 0.2 percent of original size [2022-01-31 10:25:40,091 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 88 treesize of output 1 [2022-01-31 10:25:40,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:25:40,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:25:40,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:25:40,364 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-31 10:25:40,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:25:40,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:25:40,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:25:40,790 INFO L353 Elim1Store]: treesize reduction 692, result has 11.2 percent of original size [2022-01-31 10:25:40,791 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 26 case distinctions, treesize of input 127 treesize of output 173 [2022-01-31 10:25:43,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:25:43,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:25:43,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:25:43,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:25:43,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:25:43,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:25:44,281 INFO L353 Elim1Store]: treesize reduction 945, result has 9.7 percent of original size [2022-01-31 10:25:44,282 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 30 case distinctions, treesize of input 118 treesize of output 170 [2022-01-31 10:25:46,131 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-01-31 10:25:55,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:25:55,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:25:57,070 INFO L353 Elim1Store]: treesize reduction 1204, result has 9.2 percent of original size [2022-01-31 10:25:57,070 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 2 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 34 case distinctions, treesize of input 129 treesize of output 171 [2022-01-31 10:25:59,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:25:59,775 INFO L353 Elim1Store]: treesize reduction 1236, result has 0.1 percent of original size [2022-01-31 10:25:59,776 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 1 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 35 case distinctions, treesize of input 117 treesize of output 1 [2022-01-31 10:26:01,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:01,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:01,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:01,310 INFO L353 Elim1Store]: treesize reduction 600, result has 0.2 percent of original size [2022-01-31 10:26:01,310 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 88 treesize of output 1 [2022-01-31 10:26:01,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:01,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:01,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:01,617 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-31 10:26:01,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:01,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:01,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:01,928 INFO L353 Elim1Store]: treesize reduction 692, result has 11.2 percent of original size [2022-01-31 10:26:01,928 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 26 case distinctions, treesize of input 127 treesize of output 173 [2022-01-31 10:26:05,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:05,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:05,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:05,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:05,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:05,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:06,249 INFO L353 Elim1Store]: treesize reduction 945, result has 9.7 percent of original size [2022-01-31 10:26:06,250 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 30 case distinctions, treesize of input 118 treesize of output 170 [2022-01-31 10:26:08,409 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-01-31 10:26:16,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:16,420 INFO L353 Elim1Store]: treesize reduction 383, result has 13.5 percent of original size [2022-01-31 10:26:16,421 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 71 treesize of output 97 [2022-01-31 10:26:17,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:17,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:17,858 INFO L353 Elim1Store]: treesize reduction 438, result has 9.5 percent of original size [2022-01-31 10:26:17,858 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 83 treesize of output 83 [2022-01-31 10:26:18,922 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-01-31 10:26:19,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:19,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:19,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:19,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:19,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:19,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:19,428 INFO L353 Elim1Store]: treesize reduction 223, result has 10.4 percent of original size [2022-01-31 10:26:19,428 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 72 treesize of output 82 [2022-01-31 10:26:20,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:20,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:20,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:20,232 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-31 10:26:20,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:20,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:20,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:20,270 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 75 [2022-01-31 10:26:20,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:20,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:20,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:20,921 INFO L244 Elim1Store]: Index analysis took 109 ms [2022-01-31 10:26:21,059 INFO L353 Elim1Store]: treesize reduction 600, result has 0.2 percent of original size [2022-01-31 10:26:21,060 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 88 treesize of output 1 [2022-01-31 10:26:23,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:24,036 INFO L353 Elim1Store]: treesize reduction 383, result has 13.5 percent of original size [2022-01-31 10:26:24,036 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 71 treesize of output 97 [2022-01-31 10:26:25,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:25,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:25,301 INFO L353 Elim1Store]: treesize reduction 438, result has 9.5 percent of original size [2022-01-31 10:26:25,302 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 83 treesize of output 83 [2022-01-31 10:26:26,324 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-01-31 10:26:26,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:26,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:26,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:26,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:26,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:26,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:26,782 INFO L353 Elim1Store]: treesize reduction 223, result has 10.4 percent of original size [2022-01-31 10:26:26,783 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 72 treesize of output 82 [2022-01-31 10:26:27,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:27,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:27,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:27,683 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-31 10:26:27,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:27,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:27,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:27,712 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 75 [2022-01-31 10:26:28,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:28,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:28,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:28,468 INFO L353 Elim1Store]: treesize reduction 600, result has 0.2 percent of original size [2022-01-31 10:26:28,469 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 88 treesize of output 1 [2022-01-31 10:26:31,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:31,564 INFO L353 Elim1Store]: treesize reduction 383, result has 13.5 percent of original size [2022-01-31 10:26:31,565 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 71 treesize of output 97 [2022-01-31 10:26:32,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:32,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:33,006 INFO L353 Elim1Store]: treesize reduction 438, result has 9.5 percent of original size [2022-01-31 10:26:33,007 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 83 treesize of output 83 [2022-01-31 10:26:34,334 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-01-31 10:26:34,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:34,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:34,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:34,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:34,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:34,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:34,832 INFO L353 Elim1Store]: treesize reduction 223, result has 10.4 percent of original size [2022-01-31 10:26:34,832 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 72 treesize of output 82 [2022-01-31 10:26:35,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:35,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:35,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:35,637 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-31 10:26:35,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:35,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:35,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:35,672 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 75 [2022-01-31 10:26:36,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:36,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:36,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:26:36,509 INFO L353 Elim1Store]: treesize reduction 600, result has 0.2 percent of original size [2022-01-31 10:26:36,510 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 88 treesize of output 1 [2022-01-31 10:27:08,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:27:09,455 INFO L353 Elim1Store]: treesize reduction 1060, result has 15.1 percent of original size [2022-01-31 10:27:09,456 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 1 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 35 case distinctions, treesize of input 118 treesize of output 237 [2022-01-31 10:27:12,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:27:12,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:27:14,517 INFO L353 Elim1Store]: treesize reduction 1172, result has 12.3 percent of original size [2022-01-31 10:27:14,517 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 2 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 34 case distinctions, treesize of input 130 treesize of output 214 [2022-01-31 10:27:18,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:27:18,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:27:18,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:27:18,340 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-31 10:27:18,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:27:18,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:27:18,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:27:18,659 INFO L353 Elim1Store]: treesize reduction 693, result has 12.3 percent of original size [2022-01-31 10:27:18,659 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 26 case distinctions, treesize of input 128 treesize of output 183 [2022-01-31 10:27:21,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:27:21,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:27:21,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:27:21,280 INFO L353 Elim1Store]: treesize reduction 600, result has 0.2 percent of original size [2022-01-31 10:27:21,280 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 88 treesize of output 1 [2022-01-31 10:27:23,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:27:23,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:27:23,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:27:23,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:27:23,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:27:23,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:27:23,959 INFO L353 Elim1Store]: treesize reduction 944, result has 10.8 percent of original size [2022-01-31 10:27:23,960 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 30 case distinctions, treesize of input 119 treesize of output 182 [2022-01-31 10:27:35,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:27:35,987 INFO L353 Elim1Store]: treesize reduction 377, result has 14.9 percent of original size [2022-01-31 10:27:35,987 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 71 treesize of output 103 [2022-01-31 10:27:37,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:27:37,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:27:37,493 INFO L353 Elim1Store]: treesize reduction 438, result has 9.5 percent of original size [2022-01-31 10:27:37,494 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 83 treesize of output 83 [2022-01-31 10:27:38,764 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-01-31 10:27:39,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:27:39,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:27:39,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:27:39,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:27:39,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:27:39,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:27:39,487 INFO L353 Elim1Store]: treesize reduction 223, result has 10.4 percent of original size [2022-01-31 10:27:39,488 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 72 treesize of output 82 [2022-01-31 10:27:40,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:27:40,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:27:40,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:27:40,458 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-31 10:27:40,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:27:40,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:27:40,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:27:40,501 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 75 [2022-01-31 10:27:41,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:27:41,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:27:41,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:27:41,615 INFO L353 Elim1Store]: treesize reduction 600, result has 0.2 percent of original size [2022-01-31 10:27:41,616 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 88 treesize of output 1 [2022-01-31 10:27:45,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:27:46,261 INFO L353 Elim1Store]: treesize reduction 383, result has 13.5 percent of original size [2022-01-31 10:27:46,261 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 71 treesize of output 97 [2022-01-31 10:27:47,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:27:47,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:27:48,464 INFO L353 Elim1Store]: treesize reduction 438, result has 9.5 percent of original size [2022-01-31 10:27:48,465 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 83 treesize of output 83 [2022-01-31 10:27:50,301 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-01-31 10:27:50,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:27:50,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:27:50,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:27:50,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:27:50,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:27:50,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:27:50,966 INFO L353 Elim1Store]: treesize reduction 223, result has 10.4 percent of original size [2022-01-31 10:27:50,966 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 72 treesize of output 82 [2022-01-31 10:27:52,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:27:52,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:27:52,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:27:52,055 INFO L173 IndexEqualityManager]: detected equality via solver [2022-01-31 10:27:52,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:27:52,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:27:52,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:27:52,119 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 75 [2022-01-31 10:27:53,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:27:53,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:27:53,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-01-31 10:27:53,237 INFO L244 Elim1Store]: Index analysis took 131 ms [2022-01-31 10:27:53,440 INFO L353 Elim1Store]: treesize reduction 600, result has 0.2 percent of original size [2022-01-31 10:27:53,440 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 88 treesize of output 1