/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-lit/cggmp2005_variant.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 13:54:32,078 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 13:54:32,081 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 13:54:32,117 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-23 13:54:32,117 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-23 13:54:32,119 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-23 13:54:32,120 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-23 13:54:32,123 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-23 13:54:32,132 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-23 13:54:32,133 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-23 13:54:32,134 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-23 13:54:32,135 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-23 13:54:32,136 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-23 13:54:32,137 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-23 13:54:32,138 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-23 13:54:32,139 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-23 13:54:32,140 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-23 13:54:32,141 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-23 13:54:32,143 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-23 13:54:32,145 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-23 13:54:32,147 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-23 13:54:32,148 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-23 13:54:32,150 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-23 13:54:32,151 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-23 13:54:32,154 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-23 13:54:32,154 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-23 13:54:32,154 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-23 13:54:32,155 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-23 13:54:32,156 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-23 13:54:32,157 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-23 13:54:32,157 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-23 13:54:32,158 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-23 13:54:32,159 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-23 13:54:32,160 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-23 13:54:32,161 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-23 13:54:32,161 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-23 13:54:32,162 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-23 13:54:32,162 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-23 13:54:32,163 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-23 13:54:32,164 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-23 13:54:32,165 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-23 13:54:32,166 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 [2021-02-23 13:54:32,216 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 13:54:32,216 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 13:54:32,221 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-23 13:54:32,221 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-23 13:54:32,222 INFO L138 SettingsManager]: * Use SBE=true [2021-02-23 13:54:32,222 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 13:54:32,224 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-23 13:54:32,224 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 13:54:32,224 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-23 13:54:32,224 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 13:54:32,225 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 13:54:32,225 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 13:54:32,226 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 13:54:32,226 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-23 13:54:32,227 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 13:54:32,227 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 13:54:32,227 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 13:54:32,227 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 13:54:32,227 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-23 13:54:32,228 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 13:54:32,228 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 13:54:32,228 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 13:54:32,228 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-23 13:54:32,228 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-23 13:54:32,229 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-23 13:54:32,229 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-23 13:54:32,229 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 13:54:32,229 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-23 13:54:32,229 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-23 13:54:32,605 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 13:54:32,637 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 13:54:32,640 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 13:54:32,641 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 13:54:32,642 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 13:54:32,643 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/cggmp2005_variant.i [2021-02-23 13:54:32,722 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cf1933a1/37e655893c51438cba59fae0e8e66d15/FLAGbd029a6f6 [2021-02-23 13:54:33,259 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 13:54:33,260 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/cggmp2005_variant.i [2021-02-23 13:54:33,267 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cf1933a1/37e655893c51438cba59fae0e8e66d15/FLAGbd029a6f6 [2021-02-23 13:54:33,620 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cf1933a1/37e655893c51438cba59fae0e8e66d15 [2021-02-23 13:54:33,623 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 13:54:33,634 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 13:54:33,636 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 13:54:33,636 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 13:54:33,640 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 13:54:33,641 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 01:54:33" (1/1) ... [2021-02-23 13:54:33,642 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d39a909 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:54:33, skipping insertion in model container [2021-02-23 13:54:33,642 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 01:54:33" (1/1) ... [2021-02-23 13:54:33,651 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 13:54:33,666 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 13:54:33,830 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/cggmp2005_variant.i[895,908] [2021-02-23 13:54:33,841 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 13:54:33,851 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 13:54:33,863 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/cggmp2005_variant.i[895,908] [2021-02-23 13:54:33,867 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 13:54:33,883 INFO L208 MainTranslator]: Completed translation [2021-02-23 13:54:33,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:54:33 WrapperNode [2021-02-23 13:54:33,884 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 13:54:33,886 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 13:54:33,886 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 13:54:33,886 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 13:54:33,899 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:54:33" (1/1) ... [2021-02-23 13:54:33,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:54:33" (1/1) ... [2021-02-23 13:54:33,907 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:54:33" (1/1) ... [2021-02-23 13:54:33,908 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:54:33" (1/1) ... [2021-02-23 13:54:33,914 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:54:33" (1/1) ... [2021-02-23 13:54:33,918 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:54:33" (1/1) ... [2021-02-23 13:54:33,920 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:54:33" (1/1) ... [2021-02-23 13:54:33,922 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 13:54:33,923 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 13:54:33,924 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 13:54:33,924 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 13:54:33,925 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:54:33" (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 [2021-02-23 13:54:34,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 13:54:34,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 13:54:34,040 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 13:54:34,040 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-02-23 13:54:34,040 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-02-23 13:54:34,041 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 13:54:34,041 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 13:54:34,041 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 13:54:34,041 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2021-02-23 13:54:34,042 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2021-02-23 13:54:34,042 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 13:54:34,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 13:54:34,043 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-02-23 13:54:34,043 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-02-23 13:54:34,044 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-23 13:54:34,044 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 13:54:34,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 13:54:34,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 13:54:34,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 13:54:34,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 13:54:34,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 13:54:34,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 13:54:34,428 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 13:54:34,428 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-02-23 13:54:34,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 01:54:34 BoogieIcfgContainer [2021-02-23 13:54:34,431 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 13:54:34,432 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 13:54:34,432 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 13:54:34,436 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 13:54:34,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 01:54:33" (1/3) ... [2021-02-23 13:54:34,437 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fe418a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 01:54:34, skipping insertion in model container [2021-02-23 13:54:34,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:54:33" (2/3) ... [2021-02-23 13:54:34,438 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fe418a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 01:54:34, skipping insertion in model container [2021-02-23 13:54:34,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 01:54:34" (3/3) ... [2021-02-23 13:54:34,440 INFO L111 eAbstractionObserver]: Analyzing ICFG cggmp2005_variant.i [2021-02-23 13:54:34,448 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-23 13:54:34,454 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 13:54:34,477 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 13:54:34,542 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 13:54:34,542 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 13:54:34,543 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-23 13:54:34,543 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 13:54:34,543 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 13:54:34,543 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 13:54:34,543 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 13:54:34,543 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 13:54:34,563 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2021-02-23 13:54:34,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-02-23 13:54:34,569 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:54:34,570 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 13:54:34,571 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:54:34,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:54:34,577 INFO L82 PathProgramCache]: Analyzing trace with hash 253912119, now seen corresponding path program 1 times [2021-02-23 13:54:34,588 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:54:34,588 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829295916] [2021-02-23 13:54:34,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:54:34,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:54:34,768 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:34,770 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:54:34,771 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:34,772 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 13:54:34,789 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:34,790 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:54:34,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:54:34,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:54:34,851 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:34,852 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:54:34,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:54:34,856 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829295916] [2021-02-23 13:54:34,857 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:54:34,857 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-23 13:54:34,858 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790041792] [2021-02-23 13:54:34,863 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-23 13:54:34,864 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:54:34,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-23 13:54:34,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-23 13:54:34,882 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 4 states. [2021-02-23 13:54:35,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:54:35,093 INFO L93 Difference]: Finished difference Result 33 states and 39 transitions. [2021-02-23 13:54:35,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-23 13:54:35,096 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2021-02-23 13:54:35,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:54:35,104 INFO L225 Difference]: With dead ends: 33 [2021-02-23 13:54:35,104 INFO L226 Difference]: Without dead ends: 14 [2021-02-23 13:54:35,107 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-23 13:54:35,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2021-02-23 13:54:35,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2021-02-23 13:54:35,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2021-02-23 13:54:35,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2021-02-23 13:54:35,147 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 12 [2021-02-23 13:54:35,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:54:35,148 INFO L480 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2021-02-23 13:54:35,148 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-23 13:54:35,148 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2021-02-23 13:54:35,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-02-23 13:54:35,149 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:54:35,149 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 13:54:35,149 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 13:54:35,150 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:54:35,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:54:35,151 INFO L82 PathProgramCache]: Analyzing trace with hash -684163825, now seen corresponding path program 1 times [2021-02-23 13:54:35,151 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:54:35,151 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666669773] [2021-02-23 13:54:35,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:54:35,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:54:35,220 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:35,221 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:54:35,222 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:35,222 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:54:35,235 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:35,237 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-23 13:54:35,260 WARN L141 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-02-23 13:54:35,261 WARN L147 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size 17 [2021-02-23 13:54:35,286 WARN L141 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-02-23 13:54:35,288 WARN L147 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size 9 [2021-02-23 13:54:35,305 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:35,306 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 13:54:35,319 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:35,320 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 13:54:35,336 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:35,338 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:54:35,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:54:35,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:54:35,439 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:35,440 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:54:35,444 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:54:35,444 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666669773] [2021-02-23 13:54:35,445 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [751849156] [2021-02-23 13:54:35,445 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 [2021-02-23 13:54:35,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:54:35,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 17 conjunts are in the unsatisfiable core [2021-02-23 13:54:35,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-23 13:54:35,583 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:35,586 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:54:35,588 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:35,593 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:54:35,595 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:35,596 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:54:35,597 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:35,598 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:54:35,600 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:35,602 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:54:35,611 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:35,612 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:54:35,612 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:35,613 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:54:35,614 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:35,615 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:54:35,616 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:35,617 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:54:35,620 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:35,621 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:54:35,623 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:35,624 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:54:35,624 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:35,625 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:54:35,627 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:35,628 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:54:35,629 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:35,630 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:54:35,631 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:35,632 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:54:35,633 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:35,634 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:54:35,636 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:35,636 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:54:35,637 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:35,639 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:54:35,639 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:35,640 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:54:35,641 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:35,642 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:54:35,644 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:35,644 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:54:35,645 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:35,646 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:54:35,647 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:35,647 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:54:35,648 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:35,649 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:54:35,655 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:35,658 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-23 13:54:35,660 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:35,662 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-23 13:54:35,663 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:35,665 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-23 13:54:35,667 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:35,670 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-23 13:54:35,722 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:35,751 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-23 13:54:35,755 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:35,756 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-02-23 13:54:35,763 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:35,766 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-02-23 13:54:35,768 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:35,770 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-02-23 13:54:35,847 WARN L141 QuantifierPusher]: treesize reduction 1, result has 96.8 percent of original size [2021-02-23 13:54:35,848 WARN L147 QuantifierPusher]: treesize reduction 1, result has 96.8 percent of original size 30 [2021-02-23 13:54:35,855 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:35,860 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:54:35,861 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:35,863 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-23 13:54:35,867 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-02-23 13:54:35,869 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:35,883 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-02-23 13:54:35,887 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:35,890 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-23 13:54:35,947 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:36,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:54:36,030 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:36,036 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-23 13:54:36,045 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-02-23 13:54:36,048 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:36,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:54:36,064 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:36,066 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 56 [2021-02-23 13:54:36,068 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-02-23 13:54:36,081 WARN L141 QuantifierPusher]: treesize reduction 2, result has 97.2 percent of original size [2021-02-23 13:54:36,105 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:54:36,108 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:36,111 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-02-23 13:54:36,120 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:36,121 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:54:36,125 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:36,132 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-02-23 13:54:36,138 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-02-23 13:54:36,140 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-02-23 13:54:36,152 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:36,153 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:54:36,155 WARN L141 QuantifierPusher]: treesize reduction 3, result has 92.5 percent of original size [2021-02-23 13:54:36,162 WARN L147 QuantifierPusher]: treesize reduction 3, result has 92.5 percent of original size 37 [2021-02-23 13:54:36,164 WARN L147 QuantifierPusher]: treesize reduction 2, result has 97.2 percent of original size 70 [2021-02-23 13:54:36,165 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:36,166 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:54:36,194 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:36,195 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:54:36,196 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:36,198 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-23 13:54:36,201 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:36,202 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:54:36,203 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:36,207 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:54:36,235 WARN L141 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size [2021-02-23 13:54:36,236 WARN L147 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size 1 [2021-02-23 13:54:36,238 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:36,239 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:54:36,240 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:36,241 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:54:36,242 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:36,243 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:54:36,247 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:54:36,247 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-02-23 13:54:36,247 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 14 [2021-02-23 13:54:36,249 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607703941] [2021-02-23 13:54:36,249 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-02-23 13:54:36,250 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:54:36,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-02-23 13:54:36,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-02-23 13:54:36,258 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand 14 states. [2021-02-23 13:54:36,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:54:36,779 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions. [2021-02-23 13:54:36,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-23 13:54:36,784 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 13 [2021-02-23 13:54:36,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:54:36,786 INFO L225 Difference]: With dead ends: 20 [2021-02-23 13:54:36,786 INFO L226 Difference]: Without dead ends: 15 [2021-02-23 13:54:36,788 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=74, Invalid=306, Unknown=0, NotChecked=0, Total=380 [2021-02-23 13:54:36,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2021-02-23 13:54:36,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2021-02-23 13:54:36,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-02-23 13:54:36,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2021-02-23 13:54:36,798 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 13 [2021-02-23 13:54:36,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:54:36,799 INFO L480 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2021-02-23 13:54:36,799 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2021-02-23 13:54:36,799 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2021-02-23 13:54:36,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-02-23 13:54:36,799 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:54:36,800 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 13:54:37,015 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2021-02-23 13:54:37,016 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:54:37,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:54:37,018 INFO L82 PathProgramCache]: Analyzing trace with hash 300252983, now seen corresponding path program 2 times [2021-02-23 13:54:37,018 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:54:37,019 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769593556] [2021-02-23 13:54:37,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:54:37,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:54:37,068 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:37,069 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:54:37,070 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:37,071 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:54:37,078 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:37,079 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-23 13:54:37,096 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:37,097 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-23 13:54:37,114 WARN L141 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-02-23 13:54:37,115 WARN L147 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size 17 [2021-02-23 13:54:37,141 WARN L141 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-02-23 13:54:37,142 WARN L147 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size 9 [2021-02-23 13:54:37,160 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:37,160 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 13:54:37,173 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:37,174 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 13:54:37,191 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:37,191 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:54:37,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:54:37,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:54:37,246 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:37,247 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:54:37,249 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:54:37,249 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769593556] [2021-02-23 13:54:37,249 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1266883331] [2021-02-23 13:54:37,249 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-02-23 13:54:37,323 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-02-23 13:54:37,323 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-02-23 13:54:37,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 23 conjunts are in the unsatisfiable core [2021-02-23 13:54:37,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-02-23 13:54:37,328 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:37,328 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:54:37,329 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:37,330 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:54:37,330 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:37,331 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:54:37,332 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:37,332 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:54:37,335 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:37,338 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:54:37,339 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:37,340 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:54:37,341 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:37,342 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:54:37,342 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:37,343 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:54:37,344 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:37,344 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:54:37,345 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:37,346 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:54:37,346 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:37,347 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:54:37,347 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:37,348 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:54:37,349 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:37,349 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:54:37,350 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:37,351 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:54:37,351 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:37,352 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:54:37,353 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:37,353 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:54:37,355 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:37,355 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:54:37,356 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:37,357 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:54:37,357 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:37,358 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:54:37,358 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:37,359 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:54:37,360 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:37,360 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:54:37,361 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:37,362 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:54:37,362 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:37,363 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:54:37,365 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:37,365 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:54:37,367 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:37,367 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-23 13:54:37,368 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:37,369 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-23 13:54:37,370 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:37,371 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-23 13:54:37,372 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:37,373 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-23 13:54:37,381 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:37,384 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-23 13:54:37,385 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:37,386 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-23 13:54:37,387 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:37,388 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-23 13:54:37,388 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:37,389 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-23 13:54:37,421 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:37,425 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:54:37,427 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:37,427 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-23 13:54:37,429 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-02-23 13:54:37,430 WARN L141 QuantifierPusher]: treesize reduction 2, result has 92.3 percent of original size [2021-02-23 13:54:37,431 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:54:37,432 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:37,433 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-23 13:54:37,434 WARN L147 QuantifierPusher]: treesize reduction 2, result has 92.3 percent of original size 24 [2021-02-23 13:54:37,435 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:37,438 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-02-23 13:54:37,439 WARN L141 QuantifierPusher]: treesize reduction -2, result has 106.7 percent of original size [2021-02-23 13:54:37,440 WARN L147 QuantifierPusher]: treesize reduction -2, result has 106.7 percent of original size 32 [2021-02-23 13:54:37,496 WARN L141 QuantifierPusher]: treesize reduction 1, result has 96.8 percent of original size [2021-02-23 13:54:37,499 WARN L147 QuantifierPusher]: treesize reduction 1, result has 96.8 percent of original size 30 [2021-02-23 13:54:37,500 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:37,501 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:54:37,502 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:37,503 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-23 13:54:37,504 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-02-23 13:54:37,507 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:37,509 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-02-23 13:54:37,510 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:37,511 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-23 13:54:37,559 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:37,568 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:54:37,570 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:37,571 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-02-23 13:54:37,572 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-23 13:54:37,573 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:37,575 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:54:37,576 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:37,577 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-02-23 13:54:37,578 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-02-23 13:54:37,582 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:37,585 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:54:37,587 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:37,589 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-02-23 13:54:37,590 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:54:37,593 WARN L141 QuantifierPusher]: treesize reduction -1, result has 102.7 percent of original size [2021-02-23 13:54:37,594 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-02-23 13:54:37,596 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:37,596 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:54:37,599 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:37,604 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-02-23 13:54:37,606 WARN L147 QuantifierPusher]: treesize reduction -1, result has 102.7 percent of original size 38 [2021-02-23 13:54:37,618 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:54:37,619 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:37,621 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-23 13:54:37,622 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:54:37,624 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:37,626 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-02-23 13:54:37,628 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:37,628 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:54:37,631 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:37,698 INFO L841 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-02-23 13:54:37,809 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2021-02-23 13:54:37,814 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:37,815 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:54:37,817 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:54:38,021 INFO L841 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-02-23 13:54:39,790 INFO L841 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-02-23 13:54:41,302 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 13:54:41,804 WARN L202 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 1413 DAG size of output: 1309 [2021-02-23 13:54:41,838 WARN L141 QuantifierPusher]: treesize reduction 10, result has 100.0 percent of original size [2021-02-23 14:03:56,459 WARN L202 SmtUtils]: Spent 9.21 m on a formula simplification. DAG size of input: 59311 DAG size of output: 56363 [2021-02-23 14:03:58,430 WARN L147 QuantifierPusher]: treesize reduction 10, result has 100.0 percent of original size 21010 [2021-02-23 14:04:01,754 WARN L159 QuantifierPusher]: Ignoring assumption.