/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/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/verifythis/prefixsum_iter.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-c225d54 [2021-05-02 13:35:48,854 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-02 13:35:48,856 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-02 13:35:48,898 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-05-02 13:35:48,898 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-05-02 13:35:48,901 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-05-02 13:35:48,904 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-05-02 13:35:48,908 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-05-02 13:35:48,910 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-05-02 13:35:48,914 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-05-02 13:35:48,915 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-05-02 13:35:48,917 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-05-02 13:35:48,917 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-05-02 13:35:48,919 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-05-02 13:35:48,920 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-05-02 13:35:48,921 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-05-02 13:35:48,923 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-05-02 13:35:48,924 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-05-02 13:35:48,926 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-05-02 13:35:48,932 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-05-02 13:35:48,934 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-05-02 13:35:48,935 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-05-02 13:35:48,936 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-05-02 13:35:48,939 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-05-02 13:35:48,946 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-05-02 13:35:48,946 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-05-02 13:35:48,946 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-05-02 13:35:48,948 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-05-02 13:35:48,948 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-05-02 13:35:48,949 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-05-02 13:35:48,949 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-05-02 13:35:48,950 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-05-02 13:35:48,951 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-05-02 13:35:48,954 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-05-02 13:35:48,955 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-05-02 13:35:48,955 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-05-02 13:35:48,955 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-05-02 13:35:48,956 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-05-02 13:35:48,956 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-02 13:35:48,957 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-02 13:35:48,957 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-02 13:35:48,961 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2021-05-02 13:35:49,001 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-02 13:35:49,001 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-02 13:35:49,004 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-05-02 13:35:49,004 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-05-02 13:35:49,005 INFO L138 SettingsManager]: * Use SBE=true [2021-05-02 13:35:49,005 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-02 13:35:49,005 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-02 13:35:49,005 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-02 13:35:49,005 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-02 13:35:49,005 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-02 13:35:49,006 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-02 13:35:49,006 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-02 13:35:49,007 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-02 13:35:49,007 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-02 13:35:49,007 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-02 13:35:49,007 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-02 13:35:49,007 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-02 13:35:49,007 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-02 13:35:49,007 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-02 13:35:49,008 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-02 13:35:49,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-02 13:35:49,008 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-02 13:35:49,008 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-05-02 13:35:49,008 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-05-02 13:35:49,009 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-02 13:35:49,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-05-02 13:35:49,009 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-05-02 13:35:49,009 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-05-02 13:35:49,009 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2021-05-02 13:35:49,328 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-02 13:35:49,345 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-02 13:35:49,348 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-02 13:35:49,349 INFO L271 PluginConnector]: Initializing CDTParser... [2021-05-02 13:35:49,349 INFO L275 PluginConnector]: CDTParser initialized [2021-05-02 13:35:49,350 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/verifythis/prefixsum_iter.c [2021-05-02 13:35:49,410 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57ce05abe/1f1328fd9c46499d8441644a1f869b99/FLAG9c1d7c675 [2021-05-02 13:35:49,913 INFO L306 CDTParser]: Found 1 translation units. [2021-05-02 13:35:49,914 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/verifythis/prefixsum_iter.c [2021-05-02 13:35:49,926 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57ce05abe/1f1328fd9c46499d8441644a1f869b99/FLAG9c1d7c675 [2021-05-02 13:35:50,307 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57ce05abe/1f1328fd9c46499d8441644a1f869b99 [2021-05-02 13:35:50,311 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-02 13:35:50,313 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-05-02 13:35:50,316 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-05-02 13:35:50,316 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-05-02 13:35:50,319 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-05-02 13:35:50,320 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.05 01:35:50" (1/1) ... [2021-05-02 13:35:50,321 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c28a0b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 01:35:50, skipping insertion in model container [2021-05-02 13:35:50,321 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.05 01:35:50" (1/1) ... [2021-05-02 13:35:50,327 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-05-02 13:35:50,346 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-05-02 13:35:50,507 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/verifythis/prefixsum_iter.c[526,539] [2021-05-02 13:35:50,572 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-02 13:35:50,582 INFO L203 MainTranslator]: Completed pre-run [2021-05-02 13:35:50,604 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/verifythis/prefixsum_iter.c[526,539] [2021-05-02 13:35:50,633 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-02 13:35:50,652 INFO L208 MainTranslator]: Completed translation [2021-05-02 13:35:50,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 01:35:50 WrapperNode [2021-05-02 13:35:50,653 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-05-02 13:35:50,654 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-02 13:35:50,654 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-02 13:35:50,655 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-02 13:35:50,665 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 01:35:50" (1/1) ... [2021-05-02 13:35:50,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 01:35:50" (1/1) ... [2021-05-02 13:35:50,681 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 01:35:50" (1/1) ... [2021-05-02 13:35:50,682 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 01:35:50" (1/1) ... [2021-05-02 13:35:50,696 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 01:35:50" (1/1) ... [2021-05-02 13:35:50,701 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 01:35:50" (1/1) ... [2021-05-02 13:35:50,703 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 01:35:50" (1/1) ... [2021-05-02 13:35:50,705 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-02 13:35:50,706 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-02 13:35:50,706 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-02 13:35:50,706 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-02 13:35:50,707 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 01:35:50" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-02 13:35:50,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-05-02 13:35:50,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-02 13:35:50,784 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-05-02 13:35:50,784 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-05-02 13:35:50,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-05-02 13:35:50,784 INFO L138 BoogieDeclarations]: Found implementation of procedure upsweep [2021-05-02 13:35:50,784 INFO L138 BoogieDeclarations]: Found implementation of procedure downsweep [2021-05-02 13:35:50,784 INFO L138 BoogieDeclarations]: Found implementation of procedure is_pow2 [2021-05-02 13:35:50,784 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2021-05-02 13:35:50,785 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-05-02 13:35:50,785 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-05-02 13:35:50,785 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-05-02 13:35:50,785 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-05-02 13:35:50,785 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-05-02 13:35:50,785 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-05-02 13:35:50,785 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-05-02 13:35:50,785 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-05-02 13:35:50,785 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-05-02 13:35:50,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-05-02 13:35:50,786 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-05-02 13:35:50,786 INFO L130 BoogieDeclarations]: Found specification of procedure upsweep [2021-05-02 13:35:50,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-05-02 13:35:50,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-05-02 13:35:50,786 INFO L130 BoogieDeclarations]: Found specification of procedure downsweep [2021-05-02 13:35:50,786 INFO L130 BoogieDeclarations]: Found specification of procedure is_pow2 [2021-05-02 13:35:50,786 INFO L130 BoogieDeclarations]: Found specification of procedure check [2021-05-02 13:35:50,786 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-05-02 13:35:50,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-05-02 13:35:50,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-05-02 13:35:50,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-05-02 13:35:50,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-05-02 13:35:50,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-05-02 13:35:50,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-02 13:35:51,251 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-02 13:35:51,252 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-05-02 13:35:51,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.05 01:35:51 BoogieIcfgContainer [2021-05-02 13:35:51,253 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-02 13:35:51,254 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-02 13:35:51,254 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-02 13:35:51,257 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-02 13:35:51,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.05 01:35:50" (1/3) ... [2021-05-02 13:35:51,258 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@279e33ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.05 01:35:51, skipping insertion in model container [2021-05-02 13:35:51,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.05 01:35:50" (2/3) ... [2021-05-02 13:35:51,258 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@279e33ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.05 01:35:51, skipping insertion in model container [2021-05-02 13:35:51,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.05 01:35:51" (3/3) ... [2021-05-02 13:35:51,259 INFO L111 eAbstractionObserver]: Analyzing ICFG prefixsum_iter.c [2021-05-02 13:35:51,264 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-05-02 13:35:51,267 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-05-02 13:35:51,282 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-05-02 13:35:51,316 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-05-02 13:35:51,317 INFO L377 AbstractCegarLoop]: Hoare is true [2021-05-02 13:35:51,317 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-02 13:35:51,317 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-02 13:35:51,317 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-02 13:35:51,317 INFO L381 AbstractCegarLoop]: Difference is false [2021-05-02 13:35:51,318 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-02 13:35:51,318 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-02 13:35:51,336 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 42 states have (on average 1.4047619047619047) internal successors, (59), 43 states have internal predecessors, (59), 11 states have call successors, (11), 9 states have call predecessors, (11), 9 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-05-02 13:35:51,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-05-02 13:35:51,343 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 13:35:51,344 INFO L523 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 13:35:51,344 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 13:35:51,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 13:35:51,350 INFO L82 PathProgramCache]: Analyzing trace with hash 242194828, now seen corresponding path program 1 times [2021-05-02 13:35:51,358 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 13:35:51,358 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017036217] [2021-05-02 13:35:51,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 13:35:51,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:35:51,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-02 13:35:51,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:35:51,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-05-02 13:35:51,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:35:51,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-05-02 13:35:51,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:35:51,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-05-02 13:35:51,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:35:51,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-05-02 13:35:51,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:35:51,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-05-02 13:35:51,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:35:51,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-05-02 13:35:51,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:35:51,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-05-02 13:35:51,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:35:51,704 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-05-02 13:35:51,705 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 13:35:51,705 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017036217] [2021-05-02 13:35:51,706 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017036217] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-02 13:35:51,706 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-02 13:35:51,706 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-05-02 13:35:51,707 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944198644] [2021-05-02 13:35:51,711 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-05-02 13:35:51,712 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 13:35:51,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-05-02 13:35:51,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-05-02 13:35:51,726 INFO L87 Difference]: Start difference. First operand has 64 states, 42 states have (on average 1.4047619047619047) internal successors, (59), 43 states have internal predecessors, (59), 11 states have call successors, (11), 9 states have call predecessors, (11), 9 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (11), 4 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-05-02 13:35:52,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 13:35:52,000 INFO L93 Difference]: Finished difference Result 127 states and 171 transitions. [2021-05-02 13:35:52,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-05-02 13:35:52,002 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (11), 4 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 54 [2021-05-02 13:35:52,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 13:35:52,007 INFO L225 Difference]: With dead ends: 127 [2021-05-02 13:35:52,008 INFO L226 Difference]: Without dead ends: 63 [2021-05-02 13:35:52,010 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 99.4ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-05-02 13:35:52,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2021-05-02 13:35:52,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 57. [2021-05-02 13:35:52,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 38 states have (on average 1.1842105263157894) internal successors, (45), 38 states have internal predecessors, (45), 11 states have call successors, (11), 9 states have call predecessors, (11), 7 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2021-05-02 13:35:52,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 65 transitions. [2021-05-02 13:35:52,050 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 65 transitions. Word has length 54 [2021-05-02 13:35:52,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 13:35:52,051 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 65 transitions. [2021-05-02 13:35:52,051 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (11), 4 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-05-02 13:35:52,051 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 65 transitions. [2021-05-02 13:35:52,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-05-02 13:35:52,053 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 13:35:52,053 INFO L523 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 13:35:52,054 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-02 13:35:52,054 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 13:35:52,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 13:35:52,054 INFO L82 PathProgramCache]: Analyzing trace with hash -73515768, now seen corresponding path program 1 times [2021-05-02 13:35:52,055 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 13:35:52,055 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332385917] [2021-05-02 13:35:52,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 13:35:52,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:35:52,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-02 13:35:52,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:35:52,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-05-02 13:35:52,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:35:52,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-05-02 13:35:52,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:35:52,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-05-02 13:35:52,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:35:52,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-05-02 13:35:52,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:35:52,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-05-02 13:35:52,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:35:52,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-05-02 13:35:52,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:35:52,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-05-02 13:35:52,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:35:52,263 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-05-02 13:35:52,263 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 13:35:52,264 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332385917] [2021-05-02 13:35:52,264 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332385917] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-02 13:35:52,264 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-02 13:35:52,264 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-05-02 13:35:52,264 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738094886] [2021-05-02 13:35:52,266 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-05-02 13:35:52,266 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 13:35:52,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-05-02 13:35:52,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-05-02 13:35:52,267 INFO L87 Difference]: Start difference. First operand 57 states and 65 transitions. Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 5 states have internal predecessors, (30), 3 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-05-02 13:35:52,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 13:35:52,658 INFO L93 Difference]: Finished difference Result 81 states and 95 transitions. [2021-05-02 13:35:52,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-02 13:35:52,659 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 5 states have internal predecessors, (30), 3 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 54 [2021-05-02 13:35:52,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 13:35:52,661 INFO L225 Difference]: With dead ends: 81 [2021-05-02 13:35:52,661 INFO L226 Difference]: Without dead ends: 65 [2021-05-02 13:35:52,662 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 131.9ms TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2021-05-02 13:35:52,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2021-05-02 13:35:52,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 58. [2021-05-02 13:35:52,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 39 states have (on average 1.1794871794871795) internal successors, (46), 39 states have internal predecessors, (46), 11 states have call successors, (11), 9 states have call predecessors, (11), 7 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2021-05-02 13:35:52,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 66 transitions. [2021-05-02 13:35:52,677 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 66 transitions. Word has length 54 [2021-05-02 13:35:52,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 13:35:52,677 INFO L480 AbstractCegarLoop]: Abstraction has 58 states and 66 transitions. [2021-05-02 13:35:52,677 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 5 states have internal predecessors, (30), 3 states have call successors, (11), 5 states have call predecessors, (11), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-05-02 13:35:52,678 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 66 transitions. [2021-05-02 13:35:52,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-05-02 13:35:52,679 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 13:35:52,679 INFO L523 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 13:35:52,679 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-05-02 13:35:52,679 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 13:35:52,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 13:35:52,680 INFO L82 PathProgramCache]: Analyzing trace with hash -628313814, now seen corresponding path program 1 times [2021-05-02 13:35:52,680 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 13:35:52,680 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825263144] [2021-05-02 13:35:52,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 13:35:52,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:35:52,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-02 13:35:52,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:35:52,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-05-02 13:35:52,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:35:52,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-05-02 13:35:52,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:35:52,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-05-02 13:35:52,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:35:53,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-05-02 13:35:53,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:35:53,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-05-02 13:35:53,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:35:53,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-05-02 13:35:53,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:35:53,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-05-02 13:35:53,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:35:53,137 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-05-02 13:35:53,138 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 13:35:53,138 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825263144] [2021-05-02 13:35:53,138 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825263144] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 13:35:53,138 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [436297969] [2021-05-02 13:35:53,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 13:35:53,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:35:53,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 43 conjunts are in the unsatisfiable core [2021-05-02 13:35:53,299 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 13:35:53,402 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:35:53,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:35:53,446 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:35:53,451 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:35:53,486 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-05-02 13:35:53,489 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-02 13:35:53,491 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-02 13:35:53,493 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-02 13:35:53,493 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2021-05-02 13:35:53,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:35:53,501 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:35:53,504 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:35:53,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:35:53,515 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:35:53,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:35:53,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:35:53,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:35:53,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:35:53,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:35:53,557 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:35:53,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-05-02 13:35:53,568 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-02 13:35:53,577 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-02 13:35:53,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:35:53,590 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-05-02 13:35:53,590 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:13, output treesize:12 [2021-05-02 13:35:53,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:35:53,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:35:53,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:35:53,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:35:53,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:35:53,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:35:53,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:35:53,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:35:53,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:35:53,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:35:53,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:35:53,670 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:35:53,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:35:53,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:35:53,692 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:35:53,706 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-05-02 13:35:53,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-05-02 13:35:53,711 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-02 13:35:53,716 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-02 13:35:53,717 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-02 13:35:53,717 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:11 [2021-05-02 13:35:53,721 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:35:53,723 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:35:53,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:35:53,761 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:35:53,765 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:35:53,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2021-05-02 13:35:53,774 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-02 13:35:53,781 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-02 13:35:53,784 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-05-02 13:35:53,784 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:17 [2021-05-02 13:35:53,854 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:35:53,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:35:53,858 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:35:53,873 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:35:53,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:35:53,878 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:35:53,879 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:35:53,880 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:35:53,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:35:53,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:35:53,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:35:53,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:35:53,903 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:35:53,908 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:35:53,910 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:35:53,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 32 [2021-05-02 13:35:53,922 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-02 13:35:53,927 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-02 13:35:53,933 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:35:53,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:35:53,935 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:35:53,936 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-05-02 13:35:53,936 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:40, output treesize:32 [2021-05-02 13:35:53,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:35:53,938 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:35:53,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:35:53,946 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,043 WARN L205 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 23 [2021-05-02 13:36:00,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,047 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,049 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,050 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,060 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,062 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,064 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,076 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,084 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,084 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,107 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,113 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,114 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,118 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,119 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,122 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,123 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,125 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,127 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,128 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,130 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,139 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,140 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,141 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,142 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,638 WARN L860 $PredicateComparison]: unable to prove that (exists ((downsweep_~n Int) (downsweep_~a.offset Int)) (= |c_#memory_int| (store |c_old(#memory_int)| |c_downsweep_#in~a.base| (store (select |c_old(#memory_int)| |c_downsweep_#in~a.base|) (+ (* downsweep_~n 4) downsweep_~a.offset (- 4)) 0)))) is different from true [2021-05-02 13:36:00,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,661 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,664 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,667 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,668 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 40 [2021-05-02 13:36:00,677 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-02 13:36:00,683 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-02 13:36:00,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,688 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2021-05-02 13:36:00,688 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:48, output treesize:39 [2021-05-02 13:36:00,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,692 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:00,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:04,744 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:04,746 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:04,748 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:04,749 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:04,750 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:04,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:04,753 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:04,754 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:04,755 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:08,806 WARN L205 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 23 [2021-05-02 13:36:08,808 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:08,811 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:08,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:08,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:08,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:08,817 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:08,817 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:08,818 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:08,820 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:10,879 WARN L205 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 25 [2021-05-02 13:36:10,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:10,884 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:10,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:10,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:10,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:10,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:10,890 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:10,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:10,891 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:10,892 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:10,893 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:10,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:10,895 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:10,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:10,897 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:10,898 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:10,899 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:10,905 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 31 [2021-05-02 13:36:10,907 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-02 13:36:10,912 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-02 13:36:10,914 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:10,915 INFO L550 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-05-02 13:36:10,916 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 8 variables, input treesize:46, output treesize:14 [2021-05-02 13:36:10,916 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:10,917 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:10,948 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:10,950 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:36:11,005 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-05-02 13:36:11,006 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [436297969] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 13:36:11,006 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-02 13:36:11,006 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 20] total 30 [2021-05-02 13:36:11,006 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174610775] [2021-05-02 13:36:11,007 INFO L460 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-05-02 13:36:11,007 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 13:36:11,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-05-02 13:36:11,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=736, Unknown=4, NotChecked=54, Total=870 [2021-05-02 13:36:11,008 INFO L87 Difference]: Start difference. First operand 58 states and 66 transitions. Second operand has 30 states, 27 states have (on average 2.0) internal successors, (54), 22 states have internal predecessors, (54), 7 states have call successors, (17), 8 states have call predecessors, (17), 9 states have return successors, (13), 6 states have call predecessors, (13), 5 states have call successors, (13) [2021-05-02 13:36:20,458 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 57 DAG size of output: 51 [2021-05-02 13:36:23,129 WARN L205 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 60 [2021-05-02 13:36:27,844 WARN L205 SmtUtils]: Spent 4.07 s on a formula simplification. DAG size of input: 72 DAG size of output: 65 [2021-05-02 13:36:35,311 WARN L205 SmtUtils]: Spent 4.07 s on a formula simplification. DAG size of input: 80 DAG size of output: 73 [2021-05-02 13:37:09,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 13:37:09,849 INFO L93 Difference]: Finished difference Result 93 states and 109 transitions. [2021-05-02 13:37:09,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-05-02 13:37:09,850 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 27 states have (on average 2.0) internal successors, (54), 22 states have internal predecessors, (54), 7 states have call successors, (17), 8 states have call predecessors, (17), 9 states have return successors, (13), 6 states have call predecessors, (13), 5 states have call successors, (13) Word has length 56 [2021-05-02 13:37:09,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 13:37:09,851 INFO L225 Difference]: With dead ends: 93 [2021-05-02 13:37:09,851 INFO L226 Difference]: Without dead ends: 91 [2021-05-02 13:37:09,852 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 56 SyntacticMatches, 3 SemanticMatches, 51 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 513 ImplicationChecksByTransitivity, 53612.2ms TimeCoverageRelationStatistics Valid=337, Invalid=2293, Unknown=26, NotChecked=100, Total=2756 [2021-05-02 13:37:09,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2021-05-02 13:37:09,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 74. [2021-05-02 13:37:09,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 50 states have (on average 1.18) internal successors, (59), 51 states have internal predecessors, (59), 14 states have call successors, (14), 11 states have call predecessors, (14), 9 states have return successors, (12), 11 states have call predecessors, (12), 11 states have call successors, (12) [2021-05-02 13:37:09,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 85 transitions. [2021-05-02 13:37:09,874 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 85 transitions. Word has length 56 [2021-05-02 13:37:09,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 13:37:09,876 INFO L480 AbstractCegarLoop]: Abstraction has 74 states and 85 transitions. [2021-05-02 13:37:09,876 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 30 states, 27 states have (on average 2.0) internal successors, (54), 22 states have internal predecessors, (54), 7 states have call successors, (17), 8 states have call predecessors, (17), 9 states have return successors, (13), 6 states have call predecessors, (13), 5 states have call successors, (13) [2021-05-02 13:37:09,876 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 85 transitions. [2021-05-02 13:37:09,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-05-02 13:37:09,884 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 13:37:09,884 INFO L523 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 13:37:10,085 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-05-02 13:37:10,085 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 13:37:10,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 13:37:10,086 INFO L82 PathProgramCache]: Analyzing trace with hash 1653895387, now seen corresponding path program 1 times [2021-05-02 13:37:10,086 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 13:37:10,086 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084739459] [2021-05-02 13:37:10,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 13:37:10,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:10,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-02 13:37:10,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:10,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-05-02 13:37:10,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:10,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-05-02 13:37:10,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:10,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-05-02 13:37:10,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:10,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-05-02 13:37:10,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:10,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-05-02 13:37:10,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:10,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-05-02 13:37:10,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:10,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-05-02 13:37:10,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:10,323 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-05-02 13:37:10,323 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 13:37:10,323 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084739459] [2021-05-02 13:37:10,323 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084739459] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 13:37:10,324 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [938216314] [2021-05-02 13:37:10,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 13:37:10,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:10,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 7 conjunts are in the unsatisfiable core [2021-05-02 13:37:10,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 13:37:10,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:10,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:10,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:10,533 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:10,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:10,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:10,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:10,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:10,588 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:10,605 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-05-02 13:37:10,605 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [938216314] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 13:37:10,605 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-02 13:37:10,605 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 7] total 17 [2021-05-02 13:37:10,605 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707376728] [2021-05-02 13:37:10,607 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-05-02 13:37:10,607 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 13:37:10,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-05-02 13:37:10,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2021-05-02 13:37:10,608 INFO L87 Difference]: Start difference. First operand 74 states and 85 transitions. Second operand has 17 states, 15 states have (on average 3.6) internal successors, (54), 14 states have internal predecessors, (54), 4 states have call successors, (16), 4 states have call predecessors, (16), 5 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2021-05-02 13:37:11,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 13:37:11,665 INFO L93 Difference]: Finished difference Result 127 states and 155 transitions. [2021-05-02 13:37:11,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-05-02 13:37:11,666 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 3.6) internal successors, (54), 14 states have internal predecessors, (54), 4 states have call successors, (16), 4 states have call predecessors, (16), 5 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) Word has length 60 [2021-05-02 13:37:11,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 13:37:11,667 INFO L225 Difference]: With dead ends: 127 [2021-05-02 13:37:11,667 INFO L226 Difference]: Without dead ends: 97 [2021-05-02 13:37:11,668 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 639.5ms TimeCoverageRelationStatistics Valid=128, Invalid=628, Unknown=0, NotChecked=0, Total=756 [2021-05-02 13:37:11,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2021-05-02 13:37:11,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 86. [2021-05-02 13:37:11,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 58 states have (on average 1.206896551724138) internal successors, (70), 62 states have internal predecessors, (70), 16 states have call successors, (16), 11 states have call predecessors, (16), 11 states have return successors, (16), 12 states have call predecessors, (16), 13 states have call successors, (16) [2021-05-02 13:37:11,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 102 transitions. [2021-05-02 13:37:11,682 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 102 transitions. Word has length 60 [2021-05-02 13:37:11,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 13:37:11,682 INFO L480 AbstractCegarLoop]: Abstraction has 86 states and 102 transitions. [2021-05-02 13:37:11,682 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 15 states have (on average 3.6) internal successors, (54), 14 states have internal predecessors, (54), 4 states have call successors, (16), 4 states have call predecessors, (16), 5 states have return successors, (10), 3 states have call predecessors, (10), 4 states have call successors, (10) [2021-05-02 13:37:11,682 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 102 transitions. [2021-05-02 13:37:11,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-05-02 13:37:11,683 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 13:37:11,684 INFO L523 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 13:37:11,904 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 13:37:11,905 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 13:37:11,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 13:37:11,905 INFO L82 PathProgramCache]: Analyzing trace with hash 2146675487, now seen corresponding path program 1 times [2021-05-02 13:37:11,905 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 13:37:11,905 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887939575] [2021-05-02 13:37:11,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 13:37:11,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:11,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-02 13:37:11,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:12,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-05-02 13:37:12,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:12,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-05-02 13:37:12,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:12,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-05-02 13:37:12,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:12,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-05-02 13:37:12,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:12,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-05-02 13:37:12,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:12,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-05-02 13:37:12,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:12,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-05-02 13:37:12,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:12,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-05-02 13:37:12,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:12,041 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-05-02 13:37:12,042 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 13:37:12,042 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887939575] [2021-05-02 13:37:12,042 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887939575] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 13:37:12,042 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1766801204] [2021-05-02 13:37:12,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 13:37:12,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:12,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 8 conjunts are in the unsatisfiable core [2021-05-02 13:37:12,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 13:37:12,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:12,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:12,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:12,211 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:12,215 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:12,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:12,229 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:12,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:12,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:12,242 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:12,259 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:12,260 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:12,261 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:12,261 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:12,275 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:12,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:12,293 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:12,299 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-05-02 13:37:12,299 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1766801204] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 13:37:12,300 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-02 13:37:12,300 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 13 [2021-05-02 13:37:12,300 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134612972] [2021-05-02 13:37:12,300 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-05-02 13:37:12,300 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 13:37:12,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-05-02 13:37:12,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-05-02 13:37:12,301 INFO L87 Difference]: Start difference. First operand 86 states and 102 transitions. Second operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 10 states have internal predecessors, (50), 5 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2021-05-02 13:37:12,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 13:37:12,750 INFO L93 Difference]: Finished difference Result 106 states and 125 transitions. [2021-05-02 13:37:12,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-02 13:37:12,750 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 10 states have internal predecessors, (50), 5 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 64 [2021-05-02 13:37:12,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 13:37:12,754 INFO L225 Difference]: With dead ends: 106 [2021-05-02 13:37:12,754 INFO L226 Difference]: Without dead ends: 86 [2021-05-02 13:37:12,756 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 223.8ms TimeCoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2021-05-02 13:37:12,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2021-05-02 13:37:12,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 85. [2021-05-02 13:37:12,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 58 states have (on average 1.1896551724137931) internal successors, (69), 61 states have internal predecessors, (69), 15 states have call successors, (15), 11 states have call predecessors, (15), 11 states have return successors, (15), 12 states have call predecessors, (15), 12 states have call successors, (15) [2021-05-02 13:37:12,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 99 transitions. [2021-05-02 13:37:12,784 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 99 transitions. Word has length 64 [2021-05-02 13:37:12,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 13:37:12,785 INFO L480 AbstractCegarLoop]: Abstraction has 85 states and 99 transitions. [2021-05-02 13:37:12,786 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 10 states have internal predecessors, (50), 5 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2021-05-02 13:37:12,786 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 99 transitions. [2021-05-02 13:37:12,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-05-02 13:37:12,788 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 13:37:12,788 INFO L523 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 13:37:13,000 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 13:37:13,001 INFO L428 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 13:37:13,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 13:37:13,001 INFO L82 PathProgramCache]: Analyzing trace with hash 1958796481, now seen corresponding path program 2 times [2021-05-02 13:37:13,001 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 13:37:13,002 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133356272] [2021-05-02 13:37:13,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 13:37:13,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:13,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-02 13:37:13,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:13,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-05-02 13:37:13,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:13,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-05-02 13:37:13,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:13,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-05-02 13:37:13,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:13,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-05-02 13:37:13,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:13,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-05-02 13:37:13,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:13,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-05-02 13:37:13,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:13,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2021-05-02 13:37:13,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:13,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-05-02 13:37:13,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:13,116 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-05-02 13:37:13,117 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 13:37:13,117 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133356272] [2021-05-02 13:37:13,117 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133356272] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 13:37:13,117 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1584060330] [2021-05-02 13:37:13,117 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 13:37:13,194 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-02 13:37:13,194 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 13:37:13,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 7 conjunts are in the unsatisfiable core [2021-05-02 13:37:13,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 13:37:13,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:13,259 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:13,262 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:13,270 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:13,271 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:13,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:13,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:13,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:13,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:13,323 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-05-02 13:37:13,324 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1584060330] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 13:37:13,324 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-02 13:37:13,324 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7] total 11 [2021-05-02 13:37:13,324 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512701423] [2021-05-02 13:37:13,325 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-05-02 13:37:13,325 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 13:37:13,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-05-02 13:37:13,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-05-02 13:37:13,325 INFO L87 Difference]: Start difference. First operand 85 states and 99 transitions. Second operand has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 9 states have internal predecessors, (51), 3 states have call successors, (17), 4 states have call predecessors, (17), 3 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2021-05-02 13:37:13,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 13:37:13,696 INFO L93 Difference]: Finished difference Result 116 states and 133 transitions. [2021-05-02 13:37:13,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-02 13:37:13,697 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 9 states have internal predecessors, (51), 3 states have call successors, (17), 4 states have call predecessors, (17), 3 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) Word has length 66 [2021-05-02 13:37:13,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 13:37:13,702 INFO L225 Difference]: With dead ends: 116 [2021-05-02 13:37:13,702 INFO L226 Difference]: Without dead ends: 82 [2021-05-02 13:37:13,704 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 80 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 167.7ms TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2021-05-02 13:37:13,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2021-05-02 13:37:13,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 78. [2021-05-02 13:37:13,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 54 states have (on average 1.1666666666666667) internal successors, (63), 55 states have internal predecessors, (63), 14 states have call successors, (14), 11 states have call predecessors, (14), 9 states have return successors, (12), 11 states have call predecessors, (12), 11 states have call successors, (12) [2021-05-02 13:37:13,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 89 transitions. [2021-05-02 13:37:13,728 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 89 transitions. Word has length 66 [2021-05-02 13:37:13,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 13:37:13,729 INFO L480 AbstractCegarLoop]: Abstraction has 78 states and 89 transitions. [2021-05-02 13:37:13,729 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 4.636363636363637) internal successors, (51), 9 states have internal predecessors, (51), 3 states have call successors, (17), 4 states have call predecessors, (17), 3 states have return successors, (11), 2 states have call predecessors, (11), 3 states have call successors, (11) [2021-05-02 13:37:13,729 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 89 transitions. [2021-05-02 13:37:13,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-05-02 13:37:13,730 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 13:37:13,730 INFO L523 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 13:37:13,952 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 13:37:13,953 INFO L428 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 13:37:13,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 13:37:13,953 INFO L82 PathProgramCache]: Analyzing trace with hash 1560433451, now seen corresponding path program 1 times [2021-05-02 13:37:13,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 13:37:13,954 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447600339] [2021-05-02 13:37:13,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 13:37:13,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:14,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-02 13:37:14,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:14,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-05-02 13:37:14,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:14,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-05-02 13:37:14,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:14,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-05-02 13:37:14,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:14,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-05-02 13:37:14,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:14,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-05-02 13:37:14,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:14,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-05-02 13:37:14,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:14,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-05-02 13:37:14,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:14,103 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-05-02 13:37:14,104 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 13:37:14,104 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447600339] [2021-05-02 13:37:14,104 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447600339] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 13:37:14,104 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1090693711] [2021-05-02 13:37:14,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 13:37:14,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:14,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 10 conjunts are in the unsatisfiable core [2021-05-02 13:37:14,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 13:37:14,254 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:14,255 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:14,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:14,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:14,268 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:14,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:14,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:14,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:14,328 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:14,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:14,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:14,382 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:14,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:14,384 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:14,398 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-05-02 13:37:14,398 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1090693711] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 13:37:14,398 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-02 13:37:14,399 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10] total 16 [2021-05-02 13:37:14,399 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056187133] [2021-05-02 13:37:14,399 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-05-02 13:37:14,399 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 13:37:14,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-05-02 13:37:14,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2021-05-02 13:37:14,400 INFO L87 Difference]: Start difference. First operand 78 states and 89 transitions. Second operand has 16 states, 16 states have (on average 3.25) internal successors, (52), 14 states have internal predecessors, (52), 3 states have call successors, (16), 4 states have call predecessors, (16), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2021-05-02 13:37:15,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 13:37:15,066 INFO L93 Difference]: Finished difference Result 106 states and 122 transitions. [2021-05-02 13:37:15,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-02 13:37:15,067 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.25) internal successors, (52), 14 states have internal predecessors, (52), 3 states have call successors, (16), 4 states have call predecessors, (16), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) Word has length 65 [2021-05-02 13:37:15,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 13:37:15,068 INFO L225 Difference]: With dead ends: 106 [2021-05-02 13:37:15,068 INFO L226 Difference]: Without dead ends: 84 [2021-05-02 13:37:15,069 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 74 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 415.5ms TimeCoverageRelationStatistics Valid=98, Invalid=454, Unknown=0, NotChecked=0, Total=552 [2021-05-02 13:37:15,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2021-05-02 13:37:15,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 80. [2021-05-02 13:37:15,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 56 states have (on average 1.1785714285714286) internal successors, (66), 57 states have internal predecessors, (66), 14 states have call successors, (14), 11 states have call predecessors, (14), 9 states have return successors, (12), 11 states have call predecessors, (12), 11 states have call successors, (12) [2021-05-02 13:37:15,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 92 transitions. [2021-05-02 13:37:15,086 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 92 transitions. Word has length 65 [2021-05-02 13:37:15,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 13:37:15,087 INFO L480 AbstractCegarLoop]: Abstraction has 80 states and 92 transitions. [2021-05-02 13:37:15,088 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 3.25) internal successors, (52), 14 states have internal predecessors, (52), 3 states have call successors, (16), 4 states have call predecessors, (16), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2021-05-02 13:37:15,088 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 92 transitions. [2021-05-02 13:37:15,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-05-02 13:37:15,089 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 13:37:15,089 INFO L523 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 13:37:15,296 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-05-02 13:37:15,297 INFO L428 AbstractCegarLoop]: === Iteration 8 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 13:37:15,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 13:37:15,297 INFO L82 PathProgramCache]: Analyzing trace with hash -1084413588, now seen corresponding path program 1 times [2021-05-02 13:37:15,297 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 13:37:15,297 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81516440] [2021-05-02 13:37:15,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 13:37:15,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:15,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-02 13:37:15,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:15,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-05-02 13:37:15,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:15,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-05-02 13:37:15,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:15,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-05-02 13:37:15,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:15,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-05-02 13:37:15,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:15,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-05-02 13:37:15,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:16,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-05-02 13:37:16,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:16,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-05-02 13:37:16,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:17,230 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 53 [2021-05-02 13:37:17,284 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-05-02 13:37:17,284 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 13:37:17,284 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81516440] [2021-05-02 13:37:17,284 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81516440] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 13:37:17,284 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1253497203] [2021-05-02 13:37:17,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 13:37:17,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:17,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 71 conjunts are in the unsatisfiable core [2021-05-02 13:37:17,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 13:37:17,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:17,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:17,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:17,497 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:17,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:17,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:17,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:17,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:17,720 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:17,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:17,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:17,957 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:17,959 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:17,962 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:17,964 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:17,966 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:17,973 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-05-02 13:37:17,974 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-02 13:37:17,977 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-05-02 13:37:17,978 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-05-02 13:37:17,982 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2021-05-02 13:37:17,983 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-05-02 13:37:18,011 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-02 13:37:18,012 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2021-05-02 13:37:18,012 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 1 variables, input treesize:104, output treesize:92 [2021-05-02 13:37:18,224 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:18,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:18,228 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:18,279 INFO L354 Elim1Store]: treesize reduction 148, result has 40.3 percent of original size [2021-05-02 13:37:18,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 76 treesize of output 117 [2021-05-02 13:37:18,284 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-02 13:37:18,301 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-02 13:37:18,313 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-05-02 13:37:18,314 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:81, output treesize:98 [2021-05-02 13:37:18,404 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:18,413 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:18,417 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:18,419 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:18,420 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:18,421 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:18,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:18,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:18,428 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:18,429 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:18,432 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:18,434 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:18,435 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:18,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:18,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:18,447 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:18,448 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:18,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:18,659 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:18,662 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-05-02 13:37:18,663 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-02 13:37:18,666 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-02 13:37:18,674 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-05-02 13:37:18,674 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:18, output treesize:7 [2021-05-02 13:37:18,788 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-05-02 13:37:18,788 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1253497203] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 13:37:18,788 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-02 13:37:18,788 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 24] total 47 [2021-05-02 13:37:18,789 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47384664] [2021-05-02 13:37:18,789 INFO L460 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-05-02 13:37:18,789 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 13:37:18,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-05-02 13:37:18,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=2030, Unknown=0, NotChecked=0, Total=2162 [2021-05-02 13:37:18,790 INFO L87 Difference]: Start difference. First operand 80 states and 92 transitions. Second operand has 47 states, 39 states have (on average 2.0256410256410255) internal successors, (79), 37 states have internal predecessors, (79), 12 states have call successors, (20), 7 states have call predecessors, (20), 8 states have return successors, (15), 8 states have call predecessors, (15), 8 states have call successors, (15) [2021-05-02 13:37:21,572 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 86 [2021-05-02 13:37:22,069 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2021-05-02 13:37:23,259 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 78 [2021-05-02 13:37:23,495 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 80 [2021-05-02 13:37:24,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 13:37:24,430 INFO L93 Difference]: Finished difference Result 160 states and 206 transitions. [2021-05-02 13:37:24,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-05-02 13:37:24,431 INFO L78 Accepts]: Start accepts. Automaton has has 47 states, 39 states have (on average 2.0256410256410255) internal successors, (79), 37 states have internal predecessors, (79), 12 states have call successors, (20), 7 states have call predecessors, (20), 8 states have return successors, (15), 8 states have call predecessors, (15), 8 states have call successors, (15) Word has length 66 [2021-05-02 13:37:24,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 13:37:24,433 INFO L225 Difference]: With dead ends: 160 [2021-05-02 13:37:24,433 INFO L226 Difference]: Without dead ends: 158 [2021-05-02 13:37:24,435 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1773 ImplicationChecksByTransitivity, 5462.7ms TimeCoverageRelationStatistics Valid=677, Invalid=7513, Unknown=0, NotChecked=0, Total=8190 [2021-05-02 13:37:24,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2021-05-02 13:37:24,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 93. [2021-05-02 13:37:24,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 66 states have (on average 1.2121212121212122) internal successors, (80), 69 states have internal predecessors, (80), 16 states have call successors, (16), 11 states have call predecessors, (16), 10 states have return successors, (18), 12 states have call predecessors, (18), 13 states have call successors, (18) [2021-05-02 13:37:24,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 114 transitions. [2021-05-02 13:37:24,456 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 114 transitions. Word has length 66 [2021-05-02 13:37:24,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 13:37:24,457 INFO L480 AbstractCegarLoop]: Abstraction has 93 states and 114 transitions. [2021-05-02 13:37:24,457 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 47 states, 39 states have (on average 2.0256410256410255) internal successors, (79), 37 states have internal predecessors, (79), 12 states have call successors, (20), 7 states have call predecessors, (20), 8 states have return successors, (15), 8 states have call predecessors, (15), 8 states have call successors, (15) [2021-05-02 13:37:24,457 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 114 transitions. [2021-05-02 13:37:24,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-05-02 13:37:24,458 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 13:37:24,458 INFO L523 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 13:37:24,676 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 13:37:24,677 INFO L428 AbstractCegarLoop]: === Iteration 9 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 13:37:24,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 13:37:24,677 INFO L82 PathProgramCache]: Analyzing trace with hash -1470293173, now seen corresponding path program 2 times [2021-05-02 13:37:24,678 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 13:37:24,678 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825371849] [2021-05-02 13:37:24,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 13:37:24,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:24,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-02 13:37:24,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:24,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-05-02 13:37:24,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:24,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-05-02 13:37:24,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:24,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-05-02 13:37:24,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:24,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-05-02 13:37:24,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:24,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-05-02 13:37:24,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:24,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-05-02 13:37:24,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:24,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-05-02 13:37:24,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:24,827 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-05-02 13:37:24,828 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 13:37:24,828 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825371849] [2021-05-02 13:37:24,828 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825371849] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 13:37:24,828 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [854932688] [2021-05-02 13:37:24,828 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 13:37:24,919 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-05-02 13:37:24,919 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 13:37:24,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 10 conjunts are in the unsatisfiable core [2021-05-02 13:37:24,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 13:37:24,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:24,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:24,998 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:24,999 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:25,002 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:25,004 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:25,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:25,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:25,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:25,054 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:25,055 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:25,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:25,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:25,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:25,098 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:25,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:25,100 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:25,110 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-05-02 13:37:25,110 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [854932688] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 13:37:25,110 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-02 13:37:25,110 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10] total 15 [2021-05-02 13:37:25,112 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810461027] [2021-05-02 13:37:25,113 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-05-02 13:37:25,113 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 13:37:25,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-05-02 13:37:25,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2021-05-02 13:37:25,114 INFO L87 Difference]: Start difference. First operand 93 states and 114 transitions. Second operand has 15 states, 15 states have (on average 3.533333333333333) internal successors, (53), 13 states have internal predecessors, (53), 3 states have call successors, (16), 4 states have call predecessors, (16), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2021-05-02 13:37:25,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 13:37:25,889 INFO L93 Difference]: Finished difference Result 126 states and 155 transitions. [2021-05-02 13:37:25,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-02 13:37:25,890 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.533333333333333) internal successors, (53), 13 states have internal predecessors, (53), 3 states have call successors, (16), 4 states have call predecessors, (16), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) Word has length 67 [2021-05-02 13:37:25,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 13:37:25,891 INFO L225 Difference]: With dead ends: 126 [2021-05-02 13:37:25,891 INFO L226 Difference]: Without dead ends: 106 [2021-05-02 13:37:25,892 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 78 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 455.6ms TimeCoverageRelationStatistics Valid=132, Invalid=518, Unknown=0, NotChecked=0, Total=650 [2021-05-02 13:37:25,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2021-05-02 13:37:25,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 103. [2021-05-02 13:37:25,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 74 states have (on average 1.2297297297297298) internal successors, (91), 78 states have internal predecessors, (91), 17 states have call successors, (17), 11 states have call predecessors, (17), 11 states have return successors, (22), 13 states have call predecessors, (22), 14 states have call successors, (22) [2021-05-02 13:37:25,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 130 transitions. [2021-05-02 13:37:25,909 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 130 transitions. Word has length 67 [2021-05-02 13:37:25,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 13:37:25,911 INFO L480 AbstractCegarLoop]: Abstraction has 103 states and 130 transitions. [2021-05-02 13:37:25,911 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 3.533333333333333) internal successors, (53), 13 states have internal predecessors, (53), 3 states have call successors, (16), 4 states have call predecessors, (16), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2021-05-02 13:37:25,911 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 130 transitions. [2021-05-02 13:37:25,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-05-02 13:37:25,912 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 13:37:25,912 INFO L523 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 13:37:26,134 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 13:37:26,134 INFO L428 AbstractCegarLoop]: === Iteration 10 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 13:37:26,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 13:37:26,135 INFO L82 PathProgramCache]: Analyzing trace with hash -1247511922, now seen corresponding path program 3 times [2021-05-02 13:37:26,135 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 13:37:26,135 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310874107] [2021-05-02 13:37:26,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 13:37:26,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:26,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-02 13:37:26,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:26,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-05-02 13:37:26,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:26,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-05-02 13:37:26,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:26,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-05-02 13:37:26,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:26,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-05-02 13:37:26,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:26,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-05-02 13:37:26,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:26,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-05-02 13:37:26,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:26,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-05-02 13:37:26,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:26,286 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-05-02 13:37:26,287 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 13:37:26,287 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310874107] [2021-05-02 13:37:26,287 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310874107] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 13:37:26,287 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1736541837] [2021-05-02 13:37:26,287 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 13:37:26,383 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2021-05-02 13:37:26,383 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 13:37:26,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 22 conjunts are in the unsatisfiable core [2021-05-02 13:37:26,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 13:37:26,484 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:26,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:26,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:26,735 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-05-02 13:37:26,736 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1736541837] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 13:37:26,736 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-02 13:37:26,736 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 23 [2021-05-02 13:37:26,736 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852940844] [2021-05-02 13:37:26,736 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-05-02 13:37:26,737 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 13:37:26,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-05-02 13:37:26,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=456, Unknown=0, NotChecked=0, Total=506 [2021-05-02 13:37:26,737 INFO L87 Difference]: Start difference. First operand 103 states and 130 transitions. Second operand has 23 states, 23 states have (on average 3.260869565217391) internal successors, (75), 21 states have internal predecessors, (75), 5 states have call successors, (17), 4 states have call predecessors, (17), 6 states have return successors, (14), 4 states have call predecessors, (14), 5 states have call successors, (14) [2021-05-02 13:37:28,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 13:37:28,617 INFO L93 Difference]: Finished difference Result 213 states and 292 transitions. [2021-05-02 13:37:28,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-05-02 13:37:28,617 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 3.260869565217391) internal successors, (75), 21 states have internal predecessors, (75), 5 states have call successors, (17), 4 states have call predecessors, (17), 6 states have return successors, (14), 4 states have call predecessors, (14), 5 states have call successors, (14) Word has length 68 [2021-05-02 13:37:28,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 13:37:28,619 INFO L225 Difference]: With dead ends: 213 [2021-05-02 13:37:28,619 INFO L226 Difference]: Without dead ends: 148 [2021-05-02 13:37:28,625 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 426 ImplicationChecksByTransitivity, 1384.7ms TimeCoverageRelationStatistics Valid=270, Invalid=2082, Unknown=0, NotChecked=0, Total=2352 [2021-05-02 13:37:28,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2021-05-02 13:37:28,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 122. [2021-05-02 13:37:28,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 90 states have (on average 1.2555555555555555) internal successors, (113), 95 states have internal predecessors, (113), 19 states have call successors, (19), 11 states have call predecessors, (19), 12 states have return successors, (21), 15 states have call predecessors, (21), 16 states have call successors, (21) [2021-05-02 13:37:28,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 153 transitions. [2021-05-02 13:37:28,645 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 153 transitions. Word has length 68 [2021-05-02 13:37:28,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 13:37:28,645 INFO L480 AbstractCegarLoop]: Abstraction has 122 states and 153 transitions. [2021-05-02 13:37:28,646 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 3.260869565217391) internal successors, (75), 21 states have internal predecessors, (75), 5 states have call successors, (17), 4 states have call predecessors, (17), 6 states have return successors, (14), 4 states have call predecessors, (14), 5 states have call successors, (14) [2021-05-02 13:37:28,646 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 153 transitions. [2021-05-02 13:37:28,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-05-02 13:37:28,646 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 13:37:28,647 INFO L523 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 13:37:28,868 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-05-02 13:37:28,869 INFO L428 AbstractCegarLoop]: === Iteration 11 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 13:37:28,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 13:37:28,869 INFO L82 PathProgramCache]: Analyzing trace with hash 1467029981, now seen corresponding path program 1 times [2021-05-02 13:37:28,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 13:37:28,869 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642798378] [2021-05-02 13:37:28,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 13:37:28,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:28,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-02 13:37:28,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:28,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-05-02 13:37:28,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:28,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-05-02 13:37:28,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:28,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-05-02 13:37:28,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:28,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-05-02 13:37:28,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:28,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-05-02 13:37:28,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:28,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-05-02 13:37:28,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:28,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-05-02 13:37:28,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:29,033 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-05-02 13:37:29,034 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 13:37:29,034 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642798378] [2021-05-02 13:37:29,034 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642798378] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 13:37:29,034 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1138698028] [2021-05-02 13:37:29,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 13:37:29,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:29,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 11 conjunts are in the unsatisfiable core [2021-05-02 13:37:29,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 13:37:29,178 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:29,180 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:29,184 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:29,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:29,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:29,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:29,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:29,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:29,207 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:29,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:29,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:29,247 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:29,248 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:29,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:29,309 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:29,310 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:29,311 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:29,322 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-05-02 13:37:29,323 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1138698028] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 13:37:29,323 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-02 13:37:29,323 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11] total 16 [2021-05-02 13:37:29,323 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473949509] [2021-05-02 13:37:29,324 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-05-02 13:37:29,324 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 13:37:29,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-05-02 13:37:29,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2021-05-02 13:37:29,324 INFO L87 Difference]: Start difference. First operand 122 states and 153 transitions. Second operand has 16 states, 16 states have (on average 3.625) internal successors, (58), 14 states have internal predecessors, (58), 3 states have call successors, (16), 4 states have call predecessors, (16), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2021-05-02 13:37:29,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-02 13:37:29,976 INFO L93 Difference]: Finished difference Result 140 states and 173 transitions. [2021-05-02 13:37:29,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-05-02 13:37:29,977 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.625) internal successors, (58), 14 states have internal predecessors, (58), 3 states have call successors, (16), 4 states have call predecessors, (16), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) Word has length 71 [2021-05-02 13:37:29,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-02 13:37:29,978 INFO L225 Difference]: With dead ends: 140 [2021-05-02 13:37:29,978 INFO L226 Difference]: Without dead ends: 128 [2021-05-02 13:37:29,979 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 81 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 424.5ms TimeCoverageRelationStatistics Valid=97, Invalid=455, Unknown=0, NotChecked=0, Total=552 [2021-05-02 13:37:29,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2021-05-02 13:37:29,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 114. [2021-05-02 13:37:29,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 83 states have (on average 1.2409638554216869) internal successors, (103), 87 states have internal predecessors, (103), 19 states have call successors, (19), 11 states have call predecessors, (19), 11 states have return successors, (19), 15 states have call predecessors, (19), 16 states have call successors, (19) [2021-05-02 13:37:29,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 141 transitions. [2021-05-02 13:37:29,994 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 141 transitions. Word has length 71 [2021-05-02 13:37:29,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-02 13:37:29,994 INFO L480 AbstractCegarLoop]: Abstraction has 114 states and 141 transitions. [2021-05-02 13:37:29,994 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 3.625) internal successors, (58), 14 states have internal predecessors, (58), 3 states have call successors, (16), 4 states have call predecessors, (16), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2021-05-02 13:37:29,994 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 141 transitions. [2021-05-02 13:37:29,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-05-02 13:37:29,995 INFO L515 BasicCegarLoop]: Found error trace [2021-05-02 13:37:29,995 INFO L523 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-02 13:37:30,217 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-05-02 13:37:30,218 INFO L428 AbstractCegarLoop]: === Iteration 12 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-02 13:37:30,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-02 13:37:30,218 INFO L82 PathProgramCache]: Analyzing trace with hash -1541127366, now seen corresponding path program 4 times [2021-05-02 13:37:30,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-02 13:37:30,218 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328519077] [2021-05-02 13:37:30,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-02 13:37:30,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:30,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-02 13:37:30,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:30,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-05-02 13:37:30,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:30,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-05-02 13:37:30,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:30,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-05-02 13:37:30,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:30,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-05-02 13:37:30,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:30,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-05-02 13:37:30,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:30,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-05-02 13:37:30,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:30,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-05-02 13:37:30,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-02 13:37:30,418 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-05-02 13:37:30,418 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-02 13:37:30,418 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328519077] [2021-05-02 13:37:30,418 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328519077] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 13:37:30,418 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2138432393] [2021-05-02 13:37:30,418 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-02 13:37:30,497 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-05-02 13:37:30,497 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-05-02 13:37:30,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 90 conjunts are in the unsatisfiable core [2021-05-02 13:37:30,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-02 13:37:30,532 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:30,533 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:30,534 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:30,539 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-05-02 13:37:30,540 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-02 13:37:30,541 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-02 13:37:30,542 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-02 13:37:30,542 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2021-05-02 13:37:30,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:30,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:30,557 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:30,558 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:30,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:30,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:30,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:30,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:30,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:30,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:30,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:30,596 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2021-05-02 13:37:30,597 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-02 13:37:30,602 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-02 13:37:30,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:30,603 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-05-02 13:37:30,603 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:13, output treesize:12 [2021-05-02 13:37:30,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:30,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:30,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:30,630 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:30,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:30,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:30,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:30,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:30,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:30,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:30,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:30,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:30,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:30,662 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:30,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:30,670 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-05-02 13:37:30,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-05-02 13:37:30,671 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-02 13:37:30,674 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-02 13:37:30,675 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-05-02 13:37:30,675 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:11 [2021-05-02 13:37:30,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:30,694 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:30,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:30,724 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:30,725 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:30,729 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2021-05-02 13:37:30,731 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-02 13:37:30,736 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-02 13:37:30,737 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-05-02 13:37:30,737 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:18, output treesize:17 [2021-05-02 13:37:30,799 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:30,800 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:30,802 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:30,808 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 32 [2021-05-02 13:37:30,811 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-02 13:37:30,819 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-02 13:37:30,820 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-05-02 13:37:30,820 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:35 [2021-05-02 13:37:30,849 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:30,850 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:30,885 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:30,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:30,888 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:30,897 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 32 [2021-05-02 13:37:30,899 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-02 13:37:30,906 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-02 13:37:30,907 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-05-02 13:37:30,907 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:34 [2021-05-02 13:37:30,934 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:30,936 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:30,981 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:30,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:30,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:30,985 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:30,986 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:30,987 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:30,988 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:30,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:30,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:30,990 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:30,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:30,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:30,992 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:30,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:30,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:30,994 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:30,994 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:30,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:30,996 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,002 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 32 [2021-05-02 13:37:31,003 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-02 13:37:31,011 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-02 13:37:31,012 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,013 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,014 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,015 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,016 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,017 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,018 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,020 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-05-02 13:37:31,020 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:46, output treesize:37 [2021-05-02 13:37:31,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,021 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,022 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,027 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,028 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,029 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,029 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,032 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,067 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,069 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,071 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,073 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,074 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,075 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,076 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,077 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,080 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,083 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,084 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,084 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,086 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,088 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,089 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,093 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,094 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,098 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,098 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,099 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,101 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,103 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,104 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,106 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,107 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,108 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,110 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,112 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,232 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,234 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,236 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,237 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,240 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,241 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:31,243 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:39,317 WARN L205 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 44 [2021-05-02 13:37:39,325 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:39,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:39,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:39,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:39,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:39,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:39,342 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:39,343 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:39,344 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:39,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:39,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:39,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:39,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:39,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:39,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:39,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:39,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:39,356 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:41,413 WARN L205 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 37 [2021-05-02 13:37:41,415 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:41,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:41,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:41,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:41,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:41,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:41,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:41,428 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:41,430 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:43,494 WARN L205 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 40 [2021-05-02 13:37:43,506 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:43,508 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:43,510 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:43,511 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:43,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:43,512 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:43,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:43,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:43,514 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:43,515 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:43,516 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:43,518 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:43,519 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:43,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:43,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:43,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:43,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:43,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:43,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:43,524 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:43,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,537 WARN L860 $PredicateComparison]: unable to prove that (exists ((v_upsweep_~left~0_6 Int) (v_upsweep_~right~0_2 Int) (upsweep_~right~0 Int)) (and (<= 2 v_upsweep_~left~0_6) (<= (+ v_upsweep_~left~0_6 1) v_upsweep_~right~0_2) (= |c_#memory_int| (store |c_old(#memory_int)| |c_upsweep_#in~a.base| (let ((.cse2 (+ |c_upsweep_#in~a.offset| 4))) (let ((.cse1 (+ |c_upsweep_#in~a.offset| (* upsweep_~right~0 4))) (.cse0 (let ((.cse3 (let ((.cse5 (select |c_old(#memory_int)| |c_upsweep_#in~a.base|))) (store .cse5 .cse2 (+ (select .cse5 .cse2) (select .cse5 |c_upsweep_#in~a.offset|))))) (.cse4 (+ |c_upsweep_#in~a.offset| (* v_upsweep_~right~0_2 4)))) (store .cse3 .cse4 (+ (select .cse3 (+ (* v_upsweep_~left~0_6 4) |c_upsweep_#in~a.offset|)) (select .cse3 .cse4)))))) (store .cse0 .cse1 (+ (select .cse0 .cse1) (select .cse0 .cse2))))))) (<= 3 upsweep_~right~0))) is different from true [2021-05-02 13:37:45,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,541 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,544 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,548 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,556 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,557 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,559 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,560 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,562 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,563 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,566 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,567 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,568 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,570 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,574 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,580 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,589 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,591 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,592 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,593 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,594 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,595 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,597 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,598 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,601 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,603 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,604 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,605 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,607 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,608 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,609 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,610 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,614 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,617 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,619 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,620 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,623 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,624 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,625 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,628 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,628 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,630 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,652 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,655 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,656 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 286 treesize of output 232 [2021-05-02 13:37:45,664 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-02 13:37:45,676 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-02 13:37:45,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,679 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,688 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,690 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2021-05-02 13:37:45,690 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:307, output treesize:273 [2021-05-02 13:37:45,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,692 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,692 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,692 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,693 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,694 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,694 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,695 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,695 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,699 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,701 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,702 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,702 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,769 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,771 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,771 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,773 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,784 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,785 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,786 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,787 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,790 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,791 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,792 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,793 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,794 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,795 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,796 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,797 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,799 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,801 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,806 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,807 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,809 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:45,810 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:46,812 WARN L205 SmtUtils]: Spent 960.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2021-05-02 13:37:46,813 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:46,814 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:46,815 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:46,817 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:46,818 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:48,399 WARN L205 SmtUtils]: Spent 1.55 s on a formula simplification that was a NOOP. DAG size: 31 [2021-05-02 13:37:48,401 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:48,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:48,405 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:48,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:48,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:52,266 WARN L205 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 31 [2021-05-02 13:37:52,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:52,278 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:52,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:52,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:52,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:52,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:52,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:52,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:52,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:52,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:52,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:52,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:52,297 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:52,298 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:52,299 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:52,300 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:52,301 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:52,302 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:52,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:52,303 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:52,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:52,304 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:52,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:37:52,306 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:18,513 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:18,516 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:18,517 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:18,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:18,520 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:18,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:18,522 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:18,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:18,523 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:18,525 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:18,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:18,527 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:18,528 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:18,529 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:18,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:18,530 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:18,531 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:18,533 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,538 WARN L860 $PredicateComparison]: unable to prove that (exists ((aux_mod_v_downsweep_~space_10_29 Int) (downsweep_~n Int) (aux_div_v_downsweep_~space_10_29 Int)) (and (= |c_#memory_int| (store |c_old(#memory_int)| |c_downsweep_#in~a.base| (let ((.cse0 (store (select |c_old(#memory_int)| |c_downsweep_#in~a.base|) (+ |c_downsweep_#in~a.offset| (* downsweep_~n 4) (- 4)) 0)) (.cse1 (+ (* aux_mod_v_downsweep_~space_10_29 8) |c_downsweep_#in~a.offset| (* aux_div_v_downsweep_~space_10_29 16) (- 4)))) (let ((.cse3 (+ (* aux_mod_v_downsweep_~space_10_29 4) |c_downsweep_#in~a.offset| (* aux_div_v_downsweep_~space_10_29 8) (- 4))) (.cse2 (select .cse0 .cse1))) (store (store .cse0 .cse1 (+ .cse2 (select .cse0 .cse3))) .cse3 .cse2))))) (< aux_mod_v_downsweep_~space_10_29 2) (<= 0 aux_mod_v_downsweep_~space_10_29) (<= |c_downsweep_#in~n| downsweep_~n) (<= aux_div_v_downsweep_~space_10_29 0) (< 0 (+ aux_mod_v_downsweep_~space_10_29 (* 2 aux_div_v_downsweep_~space_10_29))))) is different from true [2021-05-02 13:38:20,539 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,541 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,542 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,543 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,544 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,545 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,546 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,547 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,549 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,549 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,550 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,551 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,552 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,553 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,555 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,562 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,571 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,572 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,573 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,574 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,574 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,577 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,578 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,579 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,582 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,583 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,584 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,586 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,587 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,595 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 127 treesize of output 119 [2021-05-02 13:38:20,596 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-02 13:38:20,624 INFO L628 ElimStorePlain]: treesize reduction 3, result has 97.9 percent of original size [2021-05-02 13:38:20,626 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,627 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,628 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,630 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,630 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,631 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,632 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,633 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,634 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,635 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,635 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,636 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,639 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2021-05-02 13:38:20,639 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:153, output treesize:139 [2021-05-02 13:38:20,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,640 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,642 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,643 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,644 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,646 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,650 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,651 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:20,653 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:52,675 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:52,678 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:52,680 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:52,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:52,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:52,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:52,683 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:52,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:52,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:52,685 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:52,686 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:52,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:52,688 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:52,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:52,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:52,690 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:52,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:52,691 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:52,692 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:52,695 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:52,695 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:52,696 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:52,697 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:52,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:52,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:52,698 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:52,699 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:52,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:52,700 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:52,701 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:52,702 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:52,702 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:52,703 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:52,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:52,704 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:52,705 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:38:52,707 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:36,138 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:36,141 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:36,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:36,143 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:36,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:36,144 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:36,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:36,145 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:36,146 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:36,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:36,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:36,148 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:36,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:36,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:36,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:36,150 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:36,151 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:36,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:36,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:36,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:36,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:36,156 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:36,157 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:36,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:36,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:36,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:36,159 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:36,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:36,161 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:36,162 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:36,165 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:36,165 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:36,166 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:36,167 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:36,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:36,169 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:36,171 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,263 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,267 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,277 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,278 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,278 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,279 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,280 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,281 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,282 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,284 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,286 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,287 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,291 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,292 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,293 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,294 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 117 [2021-05-02 13:39:40,302 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-05-02 13:39:40,326 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-05-02 13:39:40,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,330 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,333 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,334 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,335 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,336 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,337 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,338 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,339 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,340 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,342 INFO L550 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-05-02 13:39:40,342 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 9 variables, input treesize:149, output treesize:115 [2021-05-02 13:39:40,343 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,344 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,344 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,345 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,345 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,346 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,347 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,348 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,349 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,350 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,351 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,352 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,433 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,434 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,436 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,437 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,438 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,439 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,440 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,441 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,443 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,451 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,451 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,452 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,454 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,455 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,455 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,456 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,457 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,458 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,459 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,460 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,461 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,463 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,464 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,465 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,466 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,467 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,469 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,473 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,474 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,474 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,479 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,480 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,481 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,481 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,482 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,483 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,483 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,484 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,485 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,485 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,486 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,487 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,488 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,492 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,493 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,494 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,496 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-02 13:39:40,612 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 7 not checked. [2021-05-02 13:39:40,613 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2138432393] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-02 13:39:40,613 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-02 13:39:40,613 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 32] total 42 [2021-05-02 13:39:40,613 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638521193] [2021-05-02 13:39:40,613 INFO L460 AbstractCegarLoop]: Interpolant automaton has 42 states [2021-05-02 13:39:40,613 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-02 13:39:40,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-05-02 13:39:40,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=1401, Unknown=58, NotChecked=154, Total=1722 [2021-05-02 13:39:40,614 INFO L87 Difference]: Start difference. First operand 114 states and 141 transitions. Second operand has 42 states, 37 states have (on average 2.27027027027027) internal successors, (84), 33 states have internal predecessors, (84), 8 states have call successors, (18), 7 states have call predecessors, (18), 7 states have return successors, (12), 7 states have call predecessors, (12), 5 states have call successors, (12) [2021-05-02 13:44:41,914 WARN L205 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 78 [2021-05-02 13:45:18,402 WARN L205 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 71 [2021-05-02 13:45:38,709 WARN L205 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 74 [2021-05-02 13:46:09,181 WARN L205 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 76 [2021-05-02 13:46:55,876 WARN L205 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 76 [2021-05-02 13:47:22,205 WARN L205 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 74 [2021-05-02 13:47:44,519 WARN L205 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 78 [2021-05-02 13:48:04,671 WARN L205 SmtUtils]: Spent 4.08 s on a formula simplification. DAG size of input: 83 DAG size of output: 68 [2021-05-02 13:48:40,960 WARN L205 SmtUtils]: Spent 4.09 s on a formula simplification. DAG size of input: 85 DAG size of output: 70 [2021-05-02 13:50:02,082 WARN L205 SmtUtils]: Spent 6.18 s on a formula simplification. DAG size of input: 86 DAG size of output: 83