/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/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf -i ../../../trunk/examples/svcomp/loops-crafted-1/sumt4.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-c225d54 [2021-05-03 00:18:50,728 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-03 00:18:50,731 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-03 00:18:50,769 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-05-03 00:18:50,821 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-03 00:18:50,822 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-03 00:18:50,823 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-03 00:18:50,829 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf [2021-05-03 00:18:50,846 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-03 00:18:50,847 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-03 00:18:50,848 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-03 00:18:50,848 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-03 00:18:50,848 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-03 00:18:50,848 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-03 00:18:50,848 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-03 00:18:50,849 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-03 00:18:50,849 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-03 00:18:50,849 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-03 00:18:50,849 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-03 00:18:50,849 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-03 00:18:50,849 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-03 00:18:50,849 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-03 00:18:50,850 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-03 00:18:50,850 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-03 00:18:50,850 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-03 00:18:50,850 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-03 00:18:50,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-03 00:18:50,850 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-03 00:18:50,850 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-05-03 00:18:50,851 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-05-03 00:18:50,851 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2021-05-03 00:18:50,851 INFO L138 SettingsManager]: * Use separate solver for trace checks=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2021-05-03 00:18:51,207 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-03 00:18:51,231 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-03 00:18:51,234 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-03 00:18:51,235 INFO L271 PluginConnector]: Initializing CDTParser... [2021-05-03 00:18:51,236 INFO L275 PluginConnector]: CDTParser initialized [2021-05-03 00:18:51,238 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops-crafted-1/sumt4.c [2021-05-03 00:18:51,308 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be266d07e/58b173d5b6d14e04a94827ccc7da3de3/FLAG261826924 [2021-05-03 00:18:51,748 INFO L306 CDTParser]: Found 1 translation units. [2021-05-03 00:18:51,749 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/sumt4.c [2021-05-03 00:18:51,754 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be266d07e/58b173d5b6d14e04a94827ccc7da3de3/FLAG261826924 [2021-05-03 00:18:51,769 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be266d07e/58b173d5b6d14e04a94827ccc7da3de3 [2021-05-03 00:18:51,772 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-03 00:18:51,776 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-05-03 00:18:51,780 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-05-03 00:18:51,780 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-05-03 00:18:51,783 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-05-03 00:18:51,784 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.05 12:18:51" (1/1) ... [2021-05-03 00:18:51,785 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15454b76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 12:18:51, skipping insertion in model container [2021-05-03 00:18:51,785 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.05 12:18:51" (1/1) ... [2021-05-03 00:18:51,792 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-05-03 00:18:51,805 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-05-03 00:18:51,955 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/sumt4.c[403,416] [2021-05-03 00:18:51,973 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-03 00:18:51,985 INFO L203 MainTranslator]: Completed pre-run [2021-05-03 00:18:52,018 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/sumt4.c[403,416] [2021-05-03 00:18:52,033 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-03 00:18:52,057 INFO L208 MainTranslator]: Completed translation [2021-05-03 00:18:52,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 12:18:52 WrapperNode [2021-05-03 00:18:52,059 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-05-03 00:18:52,061 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-03 00:18:52,062 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-03 00:18:52,062 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-03 00:18:52,073 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 12:18:52" (1/1) ... [2021-05-03 00:18:52,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 12:18:52" (1/1) ... [2021-05-03 00:18:52,080 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 12:18:52" (1/1) ... [2021-05-03 00:18:52,080 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 12:18:52" (1/1) ... [2021-05-03 00:18:52,093 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 12:18:52" (1/1) ... [2021-05-03 00:18:52,099 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 12:18:52" (1/1) ... [2021-05-03 00:18:52,102 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 12:18:52" (1/1) ... [2021-05-03 00:18:52,108 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-03 00:18:52,109 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-03 00:18:52,109 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-03 00:18:52,110 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-03 00:18:52,110 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 12:18:52" (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 [2021-05-03 00:18:52,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-05-03 00:18:52,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-03 00:18:52,196 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-05-03 00:18:52,196 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-05-03 00:18:52,196 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-05-03 00:18:52,197 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-05-03 00:18:52,197 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-05-03 00:18:52,197 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-05-03 00:18:52,197 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-05-03 00:18:52,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-05-03 00:18:52,197 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-05-03 00:18:52,198 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-05-03 00:18:52,198 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2021-05-03 00:18:52,198 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-05-03 00:18:52,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-05-03 00:18:52,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-05-03 00:18:52,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-03 00:18:52,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-05-03 00:18:52,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-05-03 00:18:52,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-05-03 00:18:52,593 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-03 00:18:52,593 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-05-03 00:18:52,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 12:18:52 BoogieIcfgContainer [2021-05-03 00:18:52,595 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-03 00:18:52,597 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-03 00:18:52,597 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-03 00:18:52,599 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-03 00:18:52,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.05 12:18:51" (1/3) ... [2021-05-03 00:18:52,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55bee3c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 12:18:52, skipping insertion in model container [2021-05-03 00:18:52,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.05 12:18:52" (2/3) ... [2021-05-03 00:18:52,601 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55bee3c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.05 12:18:52, skipping insertion in model container [2021-05-03 00:18:52,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.05 12:18:52" (3/3) ... [2021-05-03 00:18:52,602 INFO L111 eAbstractionObserver]: Analyzing ICFG sumt4.c [2021-05-03 00:18:52,607 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-05-03 00:18:52,610 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-05-03 00:18:52,626 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-05-03 00:18:52,660 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-05-03 00:18:52,660 INFO L377 AbstractCegarLoop]: Hoare is true [2021-05-03 00:18:52,660 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-05-03 00:18:52,660 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-03 00:18:52,660 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-03 00:18:52,660 INFO L381 AbstractCegarLoop]: Difference is false [2021-05-03 00:18:52,660 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-03 00:18:52,661 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-03 00:18:52,679 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 16 states have (on average 1.5) internal successors, (24), 17 states have internal predecessors, (24), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-05-03 00:18:52,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-05-03 00:18:52,686 INFO L515 BasicCegarLoop]: Found error trace [2021-05-03 00:18:52,686 INFO L523 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-03 00:18:52,687 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-03 00:18:52,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 00:18:52,692 INFO L82 PathProgramCache]: Analyzing trace with hash -1709511738, now seen corresponding path program 1 times [2021-05-03 00:18:52,705 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-03 00:18:52,706 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1697784565] [2021-05-03 00:18:52,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 00:18:52,758 INFO L224 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-05-03 00:18:52,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 00:18:53,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-03 00:18:53,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 00:18:53,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 00:18:53,178 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-03 00:18:53,179 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1697784565] [2021-05-03 00:18:53,181 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1697784565] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-03 00:18:53,182 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-03 00:18:53,182 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-05-03 00:18:53,182 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602969468] [2021-05-03 00:18:53,186 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-05-03 00:18:53,187 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-03 00:18:53,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-05-03 00:18:53,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-05-03 00:18:53,202 INFO L87 Difference]: Start difference. First operand has 24 states, 16 states have (on average 1.5) internal successors, (24), 17 states have internal predecessors, (24), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-03 00:18:53,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-03 00:18:53,677 INFO L93 Difference]: Finished difference Result 51 states and 68 transitions. [2021-05-03 00:18:53,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-03 00:18:53,678 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2021-05-03 00:18:53,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-03 00:18:53,685 INFO L225 Difference]: With dead ends: 51 [2021-05-03 00:18:53,685 INFO L226 Difference]: Without dead ends: 19 [2021-05-03 00:18:53,687 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 316.9ms TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-05-03 00:18:53,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2021-05-03 00:18:53,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2021-05-03 00:18:53,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 14 states have internal predecessors, (18), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-03 00:18:53,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions. [2021-05-03 00:18:53,727 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 22 transitions. Word has length 12 [2021-05-03 00:18:53,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-03 00:18:53,727 INFO L480 AbstractCegarLoop]: Abstraction has 19 states and 22 transitions. [2021-05-03 00:18:53,728 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 4 states have internal predecessors, (8), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-03 00:18:53,728 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2021-05-03 00:18:53,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-05-03 00:18:53,728 INFO L515 BasicCegarLoop]: Found error trace [2021-05-03 00:18:53,728 INFO L523 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-03 00:18:53,729 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-03 00:18:53,729 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-03 00:18:53,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 00:18:53,730 INFO L82 PathProgramCache]: Analyzing trace with hash 1996045709, now seen corresponding path program 1 times [2021-05-03 00:18:53,730 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-03 00:18:53,730 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [145963120] [2021-05-03 00:18:53,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 00:18:53,773 INFO L181 rdanLoopAcceleration]: Guard: Formula: (and (= (mod v_main_~l~0_15 4) 0) (< (mod v_main_~l~0_15 4294967296) (mod v_main_~n~0_7 4294967296))) InVars {main_~l~0=v_main_~l~0_15, main_~n~0=v_main_~n~0_7} OutVars{main_~l~0=v_main_~l~0_15, main_~n~0=v_main_~n~0_7} AuxVars[] AssignedVars[] [2021-05-03 00:18:53,800 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 93.3 percent of original size [2021-05-03 00:18:53,866 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:18:53,895 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:18:57,936 WARN L205 SmtUtils]: Spent 4.03 s on a formula simplification. DAG size of input: 3 DAG size of output: 1 [2021-05-03 00:19:02,079 WARN L205 SmtUtils]: Spent 4.14 s on a formula simplification. DAG size of input: 14 DAG size of output: 1 [2021-05-03 00:19:05,204 WARN L205 SmtUtils]: Spent 3.12 s on a formula simplification. DAG size of input: 14 DAG size of output: 1 [2021-05-03 00:19:05,218 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-05-03 00:19:05,225 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-05-03 00:19:05,230 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 93.3 percent of original size 97 [2021-05-03 00:19:05,269 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-03 00:19:05,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 00:19:05,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-03 00:19:05,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 00:19:05,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 00:19:05,828 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-03 00:19:05,828 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [145963120] [2021-05-03 00:19:05,828 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [145963120] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-03 00:19:05,829 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-03 00:19:05,829 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-05-03 00:19:05,829 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355346120] [2021-05-03 00:19:05,830 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-05-03 00:19:05,831 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-03 00:19:05,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-05-03 00:19:05,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-05-03 00:19:05,832 INFO L87 Difference]: Start difference. First operand 19 states and 22 transitions. Second operand has 9 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 7 states have internal predecessors, (11), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-03 00:19:06,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-03 00:19:06,292 INFO L93 Difference]: Finished difference Result 34 states and 44 transitions. [2021-05-03 00:19:06,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-03 00:19:06,292 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 7 states have internal predecessors, (11), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2021-05-03 00:19:06,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-03 00:19:06,293 INFO L225 Difference]: With dead ends: 34 [2021-05-03 00:19:06,294 INFO L226 Difference]: Without dead ends: 24 [2021-05-03 00:19:06,296 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 5 SyntacticMatches, 4 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 567.9ms TimeCoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2021-05-03 00:19:06,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2021-05-03 00:19:06,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2021-05-03 00:19:06,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 19 states have internal predecessors, (23), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-03 00:19:06,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2021-05-03 00:19:06,304 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 15 [2021-05-03 00:19:06,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-03 00:19:06,304 INFO L480 AbstractCegarLoop]: Abstraction has 24 states and 27 transitions. [2021-05-03 00:19:06,304 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 7 states have internal predecessors, (11), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-03 00:19:06,304 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2021-05-03 00:19:06,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-05-03 00:19:06,305 INFO L515 BasicCegarLoop]: Found error trace [2021-05-03 00:19:06,305 INFO L523 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-03 00:19:06,306 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-05-03 00:19:06,306 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-03 00:19:06,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 00:19:06,306 INFO L82 PathProgramCache]: Analyzing trace with hash 1398447181, now seen corresponding path program 1 times [2021-05-03 00:19:06,307 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-03 00:19:06,307 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1717753218] [2021-05-03 00:19:06,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 00:19:06,329 INFO L181 rdanLoopAcceleration]: Guard: Formula: (and (< (mod (+ v_main_~l~0_19 1) 4294967296) (mod v_main_~n~0_8 4294967296)) (= 0 (mod v_main_~l~0_19 4))) InVars {main_~l~0=v_main_~l~0_19, main_~n~0=v_main_~n~0_8} OutVars{main_~l~0=v_main_~l~0_19, main_~n~0=v_main_~n~0_8} AuxVars[] AssignedVars[] [2021-05-03 00:19:06,337 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 93.6 percent of original size [2021-05-03 00:19:06,368 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:19:06,372 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:19:07,347 WARN L205 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 1 [2021-05-03 00:19:07,367 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-05-03 00:19:07,373 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-05-03 00:19:07,378 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 93.6 percent of original size 103 [2021-05-03 00:19:07,403 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-03 00:19:07,417 INFO L181 rdanLoopAcceleration]: Guard: Formula: (and (= (mod v_main_~l~0_21 4) 0) (< (mod v_main_~l~0_21 4294967296) (mod v_main_~n~0_9 4294967296))) InVars {main_~l~0=v_main_~l~0_21, main_~n~0=v_main_~n~0_9} OutVars{main_~l~0=v_main_~l~0_21, main_~n~0=v_main_~n~0_9} AuxVars[] AssignedVars[] [2021-05-03 00:19:07,432 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 93.3 percent of original size [2021-05-03 00:19:07,488 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:19:07,515 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:19:07,628 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-05-03 00:19:07,633 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-05-03 00:19:07,638 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 93.3 percent of original size 97 [2021-05-03 00:19:07,668 INFO L181 rdanLoopAcceleration]: Guard: Formula: (let ((.cse0 (mod v_main_~l~0_23 4294967296))) (and (not (= (mod v_main_~l~0_23 2) 0)) (not (= (mod (mod .cse0 3) 4294967296) 0)) (not (= (mod v_main_~l~0_23 4) 0)) (< .cse0 (mod v_main_~n~0_10 4294967296)))) InVars {main_~l~0=v_main_~l~0_23, main_~n~0=v_main_~n~0_10} OutVars{main_~l~0=v_main_~l~0_23, main_~n~0=v_main_~n~0_10} AuxVars[] AssignedVars[] [2021-05-03 00:19:07,682 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 95.9 percent of original size [2021-05-03 00:19:07,772 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:19:07,782 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:19:08,249 WARN L205 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 1 [2021-05-03 00:19:08,253 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-05-03 00:19:08,257 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-05-03 00:19:08,260 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 95.9 percent of original size 165 [2021-05-03 00:19:08,286 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-05-03 00:19:08,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 00:19:08,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-03 00:19:08,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 00:19:08,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 00:19:08,777 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-03 00:19:08,778 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1717753218] [2021-05-03 00:19:08,778 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1717753218] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-03 00:19:08,778 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-03 00:19:08,778 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-05-03 00:19:08,778 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994065915] [2021-05-03 00:19:08,779 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-05-03 00:19:08,779 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-03 00:19:08,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-05-03 00:19:08,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2021-05-03 00:19:08,780 INFO L87 Difference]: Start difference. First operand 24 states and 27 transitions. Second operand has 12 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 10 states have internal predecessors, (16), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-03 00:19:09,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-03 00:19:09,334 INFO L93 Difference]: Finished difference Result 39 states and 49 transitions. [2021-05-03 00:19:09,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-03 00:19:09,335 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 10 states have internal predecessors, (16), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2021-05-03 00:19:09,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-03 00:19:09,336 INFO L225 Difference]: With dead ends: 39 [2021-05-03 00:19:09,336 INFO L226 Difference]: Without dead ends: 29 [2021-05-03 00:19:09,336 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 7 SyntacticMatches, 4 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 680.4ms TimeCoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2021-05-03 00:19:09,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-05-03 00:19:09,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2021-05-03 00:19:09,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 24 states have internal predecessors, (28), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-03 00:19:09,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 32 transitions. [2021-05-03 00:19:09,345 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 32 transitions. Word has length 20 [2021-05-03 00:19:09,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-03 00:19:09,345 INFO L480 AbstractCegarLoop]: Abstraction has 29 states and 32 transitions. [2021-05-03 00:19:09,346 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 10 states have internal predecessors, (16), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-03 00:19:09,346 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2021-05-03 00:19:09,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-05-03 00:19:09,346 INFO L515 BasicCegarLoop]: Found error trace [2021-05-03 00:19:09,347 INFO L523 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-03 00:19:09,347 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-05-03 00:19:09,347 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-03 00:19:09,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 00:19:09,348 INFO L82 PathProgramCache]: Analyzing trace with hash 1358561035, now seen corresponding path program 1 times [2021-05-03 00:19:09,348 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-03 00:19:09,348 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1957827869] [2021-05-03 00:19:09,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 00:19:09,377 INFO L181 rdanLoopAcceleration]: Guard: Formula: (and (not (= (mod v_main_~l~0_29 4) 0)) (not (= (mod (mod (mod v_main_~l~0_29 4294967296) 3) 4294967296) 0)) (not (= (mod v_main_~l~0_29 2) 0)) (< (mod (+ v_main_~l~0_29 1) 4294967296) (mod v_main_~n~0_11 4294967296))) InVars {main_~l~0=v_main_~l~0_29, main_~n~0=v_main_~n~0_11} OutVars{main_~l~0=v_main_~l~0_29, main_~n~0=v_main_~n~0_11} AuxVars[] AssignedVars[] [2021-05-03 00:19:09,391 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 96.1 percent of original size [2021-05-03 00:19:09,445 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:19:09,449 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:19:09,646 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 1 [2021-05-03 00:19:09,669 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:19:09,673 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:19:09,695 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-05-03 00:19:09,697 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-05-03 00:19:09,698 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:19:09,701 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-05-03 00:19:09,709 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:19:09,711 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-05-03 00:19:09,795 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-03 00:19:09,801 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-05-03 00:19:09,807 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 96.1 percent of original size 171 [2021-05-03 00:19:09,858 INFO L181 rdanLoopAcceleration]: Guard: Formula: (and (= (mod v_main_~l~0_31 4) 0) (< (mod (+ v_main_~l~0_31 1) 4294967296) (mod v_main_~n~0_12 4294967296))) InVars {main_~l~0=v_main_~l~0_31, main_~n~0=v_main_~n~0_12} OutVars{main_~l~0=v_main_~l~0_31, main_~n~0=v_main_~n~0_12} AuxVars[] AssignedVars[] [2021-05-03 00:19:09,863 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 93.6 percent of original size [2021-05-03 00:19:09,889 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:19:09,897 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:19:09,953 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-05-03 00:19:09,958 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-05-03 00:19:09,964 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 93.6 percent of original size 103 [2021-05-03 00:19:09,980 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-05-03 00:19:09,985 INFO L181 rdanLoopAcceleration]: Guard: Formula: (and (= (mod v_main_~l~0_33 4) 0) (< (mod v_main_~l~0_33 4294967296) (mod v_main_~n~0_13 4294967296))) InVars {main_~l~0=v_main_~l~0_33, main_~n~0=v_main_~n~0_13} OutVars{main_~l~0=v_main_~l~0_33, main_~n~0=v_main_~n~0_13} AuxVars[] AssignedVars[] [2021-05-03 00:19:09,990 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 93.3 percent of original size [2021-05-03 00:19:09,992 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:19:09,995 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:19:10,053 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-05-03 00:19:10,063 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-05-03 00:19:10,088 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 93.3 percent of original size 97 [2021-05-03 00:19:10,112 INFO L181 rdanLoopAcceleration]: Guard: Formula: (let ((.cse0 (mod v_main_~l~0_35 4294967296))) (and (< .cse0 (mod v_main_~n~0_14 4294967296)) (not (= (mod (mod .cse0 3) 4294967296) 0)) (not (= (mod v_main_~l~0_35 4) 0)) (= (mod v_main_~l~0_35 2) 0))) InVars {main_~l~0=v_main_~l~0_35, main_~n~0=v_main_~n~0_14} OutVars{main_~l~0=v_main_~l~0_35, main_~n~0=v_main_~n~0_14} AuxVars[] AssignedVars[] [2021-05-03 00:19:10,119 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 95.9 percent of original size [2021-05-03 00:19:10,124 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:19:10,131 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:19:10,194 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:19:10,196 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:19:10,208 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-05-03 00:19:10,209 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-05-03 00:19:10,210 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:19:10,214 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-05-03 00:19:10,214 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:19:10,216 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-05-03 00:19:10,278 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-05-03 00:19:10,296 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-05-03 00:19:10,343 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 95.9 percent of original size 165 [2021-05-03 00:19:10,383 INFO L181 rdanLoopAcceleration]: Guard: Formula: (let ((.cse0 (mod v_main_~l~0_37 4294967296))) (and (not (= (mod v_main_~l~0_37 4) 0)) (< .cse0 (mod v_main_~n~0_15 4294967296)) (not (= 0 (mod v_main_~l~0_37 2))) (not (= (mod (mod .cse0 3) 4294967296) 0)))) InVars {main_~l~0=v_main_~l~0_37, main_~n~0=v_main_~n~0_15} OutVars{main_~l~0=v_main_~l~0_37, main_~n~0=v_main_~n~0_15} AuxVars[] AssignedVars[] [2021-05-03 00:19:10,394 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 95.9 percent of original size [2021-05-03 00:19:10,448 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:19:10,457 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:19:10,504 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:19:10,507 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:19:10,535 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-05-03 00:19:10,538 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-05-03 00:19:10,540 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:19:10,542 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-05-03 00:19:10,543 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:19:10,545 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-05-03 00:19:10,607 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-05-03 00:19:10,616 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-05-03 00:19:10,621 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 95.9 percent of original size 165 [2021-05-03 00:19:10,647 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-05-03 00:19:10,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 00:19:10,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-03 00:19:10,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-03 00:19:10,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-03 00:19:11,349 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-03 00:19:11,349 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1957827869] [2021-05-03 00:19:11,350 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1957827869] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-03 00:19:11,350 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-03 00:19:11,350 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-05-03 00:19:11,350 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781739430] [2021-05-03 00:19:11,350 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-05-03 00:19:11,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-03 00:19:11,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-05-03 00:19:11,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2021-05-03 00:19:11,352 INFO L87 Difference]: Start difference. First operand 29 states and 32 transitions. Second operand has 15 states, 15 states have (on average 1.4) internal successors, (21), 13 states have internal predecessors, (21), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-03 00:19:12,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-03 00:19:12,125 INFO L93 Difference]: Finished difference Result 43 states and 52 transitions. [2021-05-03 00:19:12,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-03 00:19:12,126 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 1.4) internal successors, (21), 13 states have internal predecessors, (21), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2021-05-03 00:19:12,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-03 00:19:12,127 INFO L225 Difference]: With dead ends: 43 [2021-05-03 00:19:12,127 INFO L226 Difference]: Without dead ends: 33 [2021-05-03 00:19:12,128 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 5 SyntacticMatches, 10 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 1037.0ms TimeCoverageRelationStatistics Valid=76, Invalid=524, Unknown=0, NotChecked=0, Total=600 [2021-05-03 00:19:12,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2021-05-03 00:19:12,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2021-05-03 00:19:12,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 28 states have (on average 1.1428571428571428) internal successors, (32), 28 states have internal predecessors, (32), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-03 00:19:12,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 36 transitions. [2021-05-03 00:19:12,136 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 36 transitions. Word has length 25 [2021-05-03 00:19:12,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-03 00:19:12,136 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 36 transitions. [2021-05-03 00:19:12,136 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.4) internal successors, (21), 13 states have internal predecessors, (21), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-05-03 00:19:12,136 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 36 transitions. [2021-05-03 00:19:12,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-05-03 00:19:12,137 INFO L515 BasicCegarLoop]: Found error trace [2021-05-03 00:19:12,137 INFO L523 BasicCegarLoop]: trace histogram [4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-03 00:19:12,137 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-05-03 00:19:12,137 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-03 00:19:12,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-03 00:19:12,138 INFO L82 PathProgramCache]: Analyzing trace with hash -1193029955, now seen corresponding path program 1 times [2021-05-03 00:19:12,138 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-03 00:19:12,138 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1645014267] [2021-05-03 00:19:12,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-03 00:19:12,174 INFO L181 rdanLoopAcceleration]: Guard: Formula: (let ((.cse1 (+ v_main_~l~0_44 1))) (let ((.cse0 (mod .cse1 4294967296))) (and (not (= (mod v_main_~l~0_44 2) 0)) (< .cse0 (mod v_main_~n~0_16 4294967296)) (not (= (mod .cse1 4) 0)) (not (= (mod (mod .cse0 3) 4294967296) 0))))) InVars {main_~l~0=v_main_~l~0_44, main_~n~0=v_main_~n~0_16} OutVars{main_~l~0=v_main_~l~0_44, main_~n~0=v_main_~n~0_16} AuxVars[] AssignedVars[] [2021-05-03 00:19:12,180 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 96.3 percent of original size [2021-05-03 00:19:12,184 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:19:12,188 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:19:12,252 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:19:12,254 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:19:12,329 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-05-03 00:19:12,330 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-05-03 00:19:12,331 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:19:12,332 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-05-03 00:19:12,333 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:19:12,334 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-05-03 00:19:12,374 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-05-03 00:19:12,380 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-05-03 00:19:12,416 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 96.3 percent of original size 183 [2021-05-03 00:19:12,450 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-03 00:19:12,456 INFO L181 rdanLoopAcceleration]: Guard: Formula: (and (not (= (mod v_main_~l~0_46 2) 0)) (< (mod (+ v_main_~l~0_46 1) 4294967296) (mod v_main_~n~0_17 4294967296)) (not (= (mod v_main_~l~0_46 4) 0)) (not (= (mod (mod (mod v_main_~l~0_46 4294967296) 3) 4294967296) 0))) InVars {main_~l~0=v_main_~l~0_46, main_~n~0=v_main_~n~0_17} OutVars{main_~l~0=v_main_~l~0_46, main_~n~0=v_main_~n~0_17} AuxVars[] AssignedVars[] [2021-05-03 00:19:12,462 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 96.1 percent of original size [2021-05-03 00:19:12,515 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:19:12,522 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:19:16,754 WARN L205 SmtUtils]: Spent 4.23 s on a formula simplification. DAG size of input: 11 DAG size of output: 1 [2021-05-03 00:19:16,758 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-03 00:19:16,764 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-05-03 00:19:16,768 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 96.1 percent of original size 171 [2021-05-03 00:19:16,805 INFO L181 rdanLoopAcceleration]: Guard: Formula: (and (= (mod v_main_~l~0_48 2) 0) (< (mod (+ v_main_~l~0_48 1) 4294967296) (mod v_main_~n~0_18 4294967296)) (not (= (mod (mod (mod v_main_~l~0_48 4294967296) 3) 4294967296) 0)) (not (= (mod v_main_~l~0_48 4) 0))) InVars {main_~l~0=v_main_~l~0_48, main_~n~0=v_main_~n~0_18} OutVars{main_~l~0=v_main_~l~0_48, main_~n~0=v_main_~n~0_18} AuxVars[] AssignedVars[] [2021-05-03 00:19:16,810 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 96.1 percent of original size [2021-05-03 00:19:16,812 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:19:16,815 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:19:16,827 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:19:16,828 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:19:16,847 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-05-03 00:19:16,848 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-05-03 00:19:16,849 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:19:16,850 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-05-03 00:19:16,851 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:19:16,852 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-05-03 00:19:18,011 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 14 DAG size of output: 1 [2021-05-03 00:19:18,150 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-05-03 00:19:18,170 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-05-03 00:19:18,216 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 96.1 percent of original size 171 [2021-05-03 00:19:18,284 INFO L181 rdanLoopAcceleration]: Guard: Formula: (and (< (mod (+ v_main_~l~0_50 1) 4294967296) (mod v_main_~n~0_19 4294967296)) (= (mod v_main_~l~0_50 4) 0)) InVars {main_~l~0=v_main_~l~0_50, main_~n~0=v_main_~n~0_19} OutVars{main_~l~0=v_main_~l~0_50, main_~n~0=v_main_~n~0_19} AuxVars[] AssignedVars[] [2021-05-03 00:19:18,289 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 93.6 percent of original size [2021-05-03 00:19:18,291 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:19:18,294 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:19:18,347 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-05-03 00:19:18,353 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-05-03 00:19:18,403 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 93.6 percent of original size 103 [2021-05-03 00:19:18,430 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-05-03 00:19:18,442 INFO L181 rdanLoopAcceleration]: Guard: Formula: (and (= (mod v_main_~l~0_52 4) 0) (< (mod v_main_~l~0_52 4294967296) (mod v_main_~n~0_20 4294967296))) InVars {main_~l~0=v_main_~l~0_52, main_~n~0=v_main_~n~0_20} OutVars{main_~l~0=v_main_~l~0_52, main_~n~0=v_main_~n~0_20} AuxVars[] AssignedVars[] [2021-05-03 00:19:18,448 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 93.3 percent of original size [2021-05-03 00:19:18,451 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:19:18,455 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:19:18,518 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-05-03 00:19:18,523 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-05-03 00:19:18,554 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 93.3 percent of original size 97 [2021-05-03 00:19:18,595 INFO L181 rdanLoopAcceleration]: Guard: Formula: (let ((.cse0 (mod v_main_~l~0_54 4294967296))) (and (not (= (mod v_main_~l~0_54 4) 0)) (= (mod (mod .cse0 3) 4294967296) 0) (< .cse0 (mod v_main_~n~0_21 4294967296)))) InVars {main_~l~0=v_main_~l~0_54, main_~n~0=v_main_~n~0_21} OutVars{main_~l~0=v_main_~l~0_54, main_~n~0=v_main_~n~0_21} AuxVars[] AssignedVars[] [2021-05-03 00:19:18,619 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 95.2 percent of original size [2021-05-03 00:19:18,695 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:19:18,699 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:19:18,742 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:19:18,747 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:19:22,769 WARN L205 SmtUtils]: Spent 4.02 s on a formula simplification that was a NOOP. DAG size: 14 [2021-05-03 00:19:24,912 WARN L205 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 9 DAG size of output: 1 [2021-05-03 00:19:26,213 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 5 DAG size of output: 1 [2021-05-03 00:19:26,796 WARN L205 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 1 [2021-05-03 00:19:28,838 WARN L205 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 6 [2021-05-03 00:19:29,021 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 1 [2021-05-03 00:19:29,029 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-05-03 00:19:29,029 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 61 [2021-05-03 00:19:29,031 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:19:29,033 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:19:31,075 WARN L205 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 10 [2021-05-03 00:19:32,972 WARN L205 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 12 DAG size of output: 1 [2021-05-03 00:19:34,816 WARN L205 SmtUtils]: Spent 1.84 s on a formula simplification that was a NOOP. DAG size: 14 [2021-05-03 00:19:38,500 WARN L205 SmtUtils]: Spent 3.68 s on a formula simplification. DAG size of input: 5 DAG size of output: 1 [2021-05-03 00:19:39,439 WARN L205 SmtUtils]: Spent 937.00 ms on a formula simplification. DAG size of input: 6 DAG size of output: 1 [2021-05-03 00:19:39,440 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-05-03 00:19:39,441 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-05-03 00:19:39,442 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:19:39,444 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:19:39,447 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:19:40,601 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 10 [2021-05-03 00:19:41,279 WARN L205 SmtUtils]: Spent 676.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2021-05-03 00:19:41,281 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-05-03 00:19:41,282 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-05-03 00:19:41,288 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:19:41,512 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2021-05-03 00:19:44,025 WARN L205 SmtUtils]: Spent 2.51 s on a formula simplification that was a NOOP. DAG size: 7 [2021-05-03 00:19:46,553 WARN L205 SmtUtils]: Spent 2.52 s on a formula simplification that was a NOOP. DAG size: 14 [2021-05-03 00:19:48,705 WARN L205 SmtUtils]: Spent 2.15 s on a formula simplification that was a NOOP. DAG size: 9 [2021-05-03 00:19:48,707 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-05-03 00:19:48,707 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-05-03 00:19:48,709 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:19:52,743 WARN L205 SmtUtils]: Spent 4.03 s on a formula simplification that was a NOOP. DAG size: 10 [2021-05-03 00:19:52,978 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 1 [2021-05-03 00:19:55,282 WARN L205 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 7 DAG size of output: 1 [2021-05-03 00:19:57,416 WARN L205 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 14 [2021-05-03 00:19:59,469 WARN L205 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 5 DAG size of output: 1 [2021-05-03 00:19:59,962 WARN L205 SmtUtils]: Spent 492.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2021-05-03 00:20:01,185 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 6 DAG size of output: 1 [2021-05-03 00:20:02,690 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 5 DAG size of output: 1 [2021-05-03 00:20:03,932 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 9 DAG size of output: 1 [2021-05-03 00:20:04,156 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2021-05-03 00:20:04,555 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2021-05-03 00:20:06,831 WARN L205 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 12 DAG size of output: 1 [2021-05-03 00:20:06,833 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-05-03 00:20:08,900 WARN L205 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 3 DAG size of output: 1 [2021-05-03 00:20:08,959 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-05-03 00:20:08,965 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:20:08,968 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:20:09,049 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-05-03 00:20:09,050 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-05-03 00:20:09,051 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:20:09,054 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:20:09,110 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-05-03 00:20:09,112 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-05-03 00:20:09,113 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:20:09,167 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-05-03 00:20:09,199 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:20:09,204 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:20:09,467 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2021-05-03 00:20:09,574 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2021-05-03 00:20:09,672 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-05-03 00:20:09,673 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-05-03 00:20:09,674 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:20:09,677 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:20:10,174 WARN L205 SmtUtils]: Spent 496.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2021-05-03 00:20:10,379 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-05-03 00:20:10,651 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2021-05-03 00:20:10,653 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-05-03 00:20:10,656 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-05-03 00:20:10,658 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:20:10,664 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:20:10,668 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:20:10,974 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2021-05-03 00:20:11,205 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-05-03 00:20:11,207 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-05-03 00:20:11,208 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-05-03 00:20:11,209 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:20:12,718 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification that was a NOOP. DAG size: 3 [2021-05-03 00:20:13,367 WARN L205 SmtUtils]: Spent 648.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2021-05-03 00:20:13,667 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2021-05-03 00:20:14,356 WARN L205 SmtUtils]: Spent 633.00 ms on a formula simplification that was a NOOP. DAG size: 3 [2021-05-03 00:20:14,358 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-05-03 00:20:14,359 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-05-03 00:20:14,360 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:20:14,577 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2021-05-03 00:20:14,768 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-05-03 00:20:15,027 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 3 [2021-05-03 00:20:15,029 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-05-03 00:20:15,032 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-05-03 00:20:19,079 WARN L205 SmtUtils]: Spent 4.03 s on a formula simplification that was a NOOP. DAG size: 8 [2021-05-03 00:20:19,533 WARN L205 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2021-05-03 00:20:19,536 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:20:19,546 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:20:19,549 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:20:19,752 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2021-05-03 00:20:20,577 WARN L205 SmtUtils]: Spent 823.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-05-03 00:20:20,589 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-05-03 00:20:20,590 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-05-03 00:20:20,592 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:20:20,595 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:20:21,036 WARN L205 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2021-05-03 00:20:21,193 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-05-03 00:20:21,301 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2021-05-03 00:20:21,303 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-05-03 00:20:21,303 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-05-03 00:20:21,304 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:20:21,310 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:20:21,313 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:20:21,968 WARN L205 SmtUtils]: Spent 654.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2021-05-03 00:20:22,119 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-05-03 00:20:22,124 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-05-03 00:20:22,126 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-05-03 00:20:22,128 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:20:23,488 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 29 [2021-05-03 00:20:23,693 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-05-03 00:20:25,958 WARN L205 SmtUtils]: Spent 2.26 s on a formula simplification that was a NOOP. DAG size: 3 [2021-05-03 00:20:25,959 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 76 [2021-05-03 00:20:25,960 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-05-03 00:20:25,961 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:20:26,159 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2021-05-03 00:20:26,408 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-05-03 00:20:26,679 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2021-05-03 00:20:28,674 WARN L205 SmtUtils]: Spent 1.99 s on a formula simplification that was a NOOP. DAG size: 3 [2021-05-03 00:20:28,676 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-05-03 00:20:28,681 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 84 [2021-05-03 00:20:30,726 WARN L205 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 8 [2021-05-03 00:20:34,792 WARN L205 SmtUtils]: Spent 4.03 s on a formula simplification that was a NOOP. DAG size: 10 [2021-05-03 00:20:38,955 WARN L205 SmtUtils]: Spent 4.16 s on a formula simplification that was a NOOP. DAG size: 11 [2021-05-03 00:20:41,080 WARN L205 SmtUtils]: Spent 2.12 s on a formula simplification that was a NOOP. DAG size: 14 [2021-05-03 00:20:41,086 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:20:41,089 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:20:41,316 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-05-03 00:20:41,428 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2021-05-03 00:20:41,436 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-05-03 00:20:41,437 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-05-03 00:20:41,438 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:20:41,440 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:20:42,810 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 30 [2021-05-03 00:20:42,812 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-05-03 00:20:42,812 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-05-03 00:20:42,813 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:20:42,817 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:20:42,821 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:20:42,970 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-05-03 00:20:43,105 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 72 [2021-05-03 00:20:43,106 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 73 [2021-05-03 00:20:43,107 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:20:43,334 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 3 [2021-05-03 00:20:43,504 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-05-03 00:20:44,221 WARN L205 SmtUtils]: Spent 624.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-05-03 00:20:44,525 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2021-05-03 00:20:44,527 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 78 [2021-05-03 00:20:44,528 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 79 [2021-05-03 00:20:44,529 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-03 00:20:44,899 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 3 [2021-05-03 00:20:45,237 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-05-03 00:20:45,475 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2021-05-03 00:20:45,476 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-05-03 00:20:45,477 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 95.2 percent of original size 139 [2021-05-03 00:21:05,777 WARN L205 SmtUtils]: Spent 20.30 s on a formula simplification that was a NOOP. DAG size: 90 [2021-05-03 00:21:05,783 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-03 00:21:10,331 WARN L205 SmtUtils]: Spent 4.22 s on a formula simplification. DAG size of input: 4748 DAG size of output: 4751 [2021-05-03 00:21:10,927 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-03 00:21:14,834 WARN L205 SmtUtils]: Spent 3.89 s on a formula simplification. DAG size of input: 4735 DAG size of output: 4746