/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/mono-crafted_10.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-6253b08 [2021-05-06 11:54:31,268 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-06 11:54:31,270 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-06 11:54:31,301 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-05-06 11:54:31,344 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-06 11:54:31,344 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-06 11:54:31,345 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-06 11:54:31,348 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf [2021-05-06 11:54:31,360 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-06 11:54:31,360 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-06 11:54:31,363 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-06 11:54:31,363 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-06 11:54:31,363 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-06 11:54:31,363 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-06 11:54:31,363 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-06 11:54:31,363 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-06 11:54:31,363 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-06 11:54:31,363 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-06 11:54:31,364 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-06 11:54:31,364 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-06 11:54:31,364 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-06 11:54:31,364 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-06 11:54:31,365 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-06 11:54:31,365 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-06 11:54:31,365 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-06 11:54:31,365 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-06 11:54:31,365 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-06 11:54:31,365 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-06 11:54:31,365 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-05-06 11:54:31,365 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-05-06 11:54:31,366 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2021-05-06 11:54:31,366 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2021-05-06 11:54:31,637 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-06 11:54:31,650 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-06 11:54:31,651 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-06 11:54:31,652 INFO L271 PluginConnector]: Initializing CDTParser... [2021-05-06 11:54:31,653 INFO L275 PluginConnector]: CDTParser initialized [2021-05-06 11:54:31,653 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops-crafted-1/mono-crafted_10.c [2021-05-06 11:54:31,696 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84f0b3bc0/69c220cd0cc0462a8045a2f98d5ae0cd/FLAGed97d5bd2 [2021-05-06 11:54:32,055 INFO L306 CDTParser]: Found 1 translation units. [2021-05-06 11:54:32,055 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/mono-crafted_10.c [2021-05-06 11:54:32,059 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84f0b3bc0/69c220cd0cc0462a8045a2f98d5ae0cd/FLAGed97d5bd2 [2021-05-06 11:54:32,467 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84f0b3bc0/69c220cd0cc0462a8045a2f98d5ae0cd [2021-05-06 11:54:32,468 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-06 11:54:32,470 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-05-06 11:54:32,473 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-05-06 11:54:32,474 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-05-06 11:54:32,476 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-05-06 11:54:32,476 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 11:54:32" (1/1) ... [2021-05-06 11:54:32,477 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@92f317b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 11:54:32, skipping insertion in model container [2021-05-06 11:54:32,477 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 11:54:32" (1/1) ... [2021-05-06 11:54:32,484 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-05-06 11:54:32,492 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-05-06 11:54:32,577 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/mono-crafted_10.c[319,332] [2021-05-06 11:54:32,583 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-06 11:54:32,588 INFO L203 MainTranslator]: Completed pre-run [2021-05-06 11:54:32,603 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/mono-crafted_10.c[319,332] [2021-05-06 11:54:32,605 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-06 11:54:32,613 INFO L208 MainTranslator]: Completed translation [2021-05-06 11:54:32,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 11:54:32 WrapperNode [2021-05-06 11:54:32,613 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-05-06 11:54:32,614 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-06 11:54:32,614 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-06 11:54:32,614 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-06 11:54:32,620 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 11:54:32" (1/1) ... [2021-05-06 11:54:32,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 11:54:32" (1/1) ... [2021-05-06 11:54:32,624 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 11:54:32" (1/1) ... [2021-05-06 11:54:32,624 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 11:54:32" (1/1) ... [2021-05-06 11:54:32,627 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 11:54:32" (1/1) ... [2021-05-06 11:54:32,661 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 11:54:32" (1/1) ... [2021-05-06 11:54:32,667 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 11:54:32" (1/1) ... [2021-05-06 11:54:32,670 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-06 11:54:32,671 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-06 11:54:32,671 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-06 11:54:32,671 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-06 11:54:32,671 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 11:54:32" (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 [2021-05-06 11:54:32,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-05-06 11:54:32,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-06 11:54:32,789 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-05-06 11:54:32,789 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-05-06 11:54:32,789 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-05-06 11:54:32,789 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-05-06 11:54:32,789 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-05-06 11:54:32,790 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-05-06 11:54:32,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-05-06 11:54:32,790 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-05-06 11:54:32,790 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-05-06 11:54:32,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-05-06 11:54:32,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-05-06 11:54:32,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-06 11:54:32,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-05-06 11:54:32,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-05-06 11:54:32,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-05-06 11:54:32,995 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-06 11:54:32,995 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-05-06 11:54:32,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 11:54:32 BoogieIcfgContainer [2021-05-06 11:54:32,996 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-06 11:54:32,998 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-06 11:54:32,998 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-06 11:54:33,000 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-06 11:54:33,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.05 11:54:32" (1/3) ... [2021-05-06 11:54:33,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b1a9d31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 11:54:33, skipping insertion in model container [2021-05-06 11:54:33,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 11:54:32" (2/3) ... [2021-05-06 11:54:33,001 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b1a9d31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 11:54:33, skipping insertion in model container [2021-05-06 11:54:33,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 11:54:32" (3/3) ... [2021-05-06 11:54:33,001 INFO L111 eAbstractionObserver]: Analyzing ICFG mono-crafted_10.c [2021-05-06 11:54:33,005 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-05-06 11:54:33,008 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-05-06 11:54:33,019 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-05-06 11:54:33,031 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-05-06 11:54:33,031 INFO L377 AbstractCegarLoop]: Hoare is true [2021-05-06 11:54:33,032 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-05-06 11:54:33,032 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-06 11:54:33,032 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-06 11:54:33,032 INFO L381 AbstractCegarLoop]: Difference is false [2021-05-06 11:54:33,032 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-06 11:54:33,032 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-06 11:54:33,043 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 14 states have internal predecessors, (18), 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) [2021-05-06 11:54:33,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-05-06 11:54:33,047 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 11:54:33,047 INFO L523 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 11:54:33,047 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 11:54:33,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 11:54:33,050 INFO L82 PathProgramCache]: Analyzing trace with hash -2135496849, now seen corresponding path program 1 times [2021-05-06 11:54:33,055 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-06 11:54:33,059 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1599811141] [2021-05-06 11:54:33,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 11:54:33,135 INFO L224 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-05-06 11:54:33,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 11:54:33,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-06 11:54:33,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 11:54:33,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-06 11:54:33,319 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-06 11:54:33,319 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1599811141] [2021-05-06 11:54:33,320 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1599811141] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-06 11:54:33,321 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-06 11:54:33,321 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-05-06 11:54:33,321 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477332990] [2021-05-06 11:54:33,324 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-05-06 11:54:33,325 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-06 11:54:33,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-05-06 11:54:33,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-06 11:54:33,335 INFO L87 Difference]: Start difference. First operand has 21 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 14 states have internal predecessors, (18), 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 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 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) [2021-05-06 11:54:33,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 11:54:33,392 INFO L93 Difference]: Finished difference Result 33 states and 37 transitions. [2021-05-06 11:54:33,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-06 11:54:33,394 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 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 11 [2021-05-06 11:54:33,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 11:54:33,399 INFO L225 Difference]: With dead ends: 33 [2021-05-06 11:54:33,399 INFO L226 Difference]: Without dead ends: 14 [2021-05-06 11:54:33,402 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 43.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-06 11:54:33,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2021-05-06 11:54:33,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2021-05-06 11:54:33,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 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) [2021-05-06 11:54:33,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2021-05-06 11:54:33,430 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 11 [2021-05-06 11:54:33,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 11:54:33,430 INFO L480 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2021-05-06 11:54:33,431 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 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) [2021-05-06 11:54:33,432 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2021-05-06 11:54:33,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-05-06 11:54:33,432 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 11:54:33,432 INFO L523 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 11:54:33,433 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-06 11:54:33,433 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 11:54:33,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 11:54:33,433 INFO L82 PathProgramCache]: Analyzing trace with hash -2145655580, now seen corresponding path program 1 times [2021-05-06 11:54:33,434 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-06 11:54:33,434 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [692600274] [2021-05-06 11:54:33,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 11:54:33,439 INFO L224 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-05-06 11:54:33,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 11:54:33,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-06 11:54:33,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 11:54:33,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-06 11:54:33,569 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-06 11:54:33,569 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [692600274] [2021-05-06 11:54:33,569 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [692600274] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-06 11:54:33,569 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-06 11:54:33,570 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-05-06 11:54:33,570 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041516090] [2021-05-06 11:54:33,570 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-05-06 11:54:33,570 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-06 11:54:33,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-05-06 11:54:33,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-05-06 11:54:33,571 INFO L87 Difference]: Start difference. First operand 14 states and 15 transitions. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 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) [2021-05-06 11:54:33,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 11:54:33,626 INFO L93 Difference]: Finished difference Result 25 states and 29 transitions. [2021-05-06 11:54:33,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-05-06 11:54:33,627 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 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 11 [2021-05-06 11:54:33,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 11:54:33,627 INFO L225 Difference]: With dead ends: 25 [2021-05-06 11:54:33,627 INFO L226 Difference]: Without dead ends: 17 [2021-05-06 11:54:33,628 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 61.5ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-05-06 11:54:33,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2021-05-06 11:54:33,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2021-05-06 11:54:33,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 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) [2021-05-06 11:54:33,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2021-05-06 11:54:33,633 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 11 [2021-05-06 11:54:33,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 11:54:33,633 INFO L480 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2021-05-06 11:54:33,633 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 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) [2021-05-06 11:54:33,633 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2021-05-06 11:54:33,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-05-06 11:54:33,633 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 11:54:33,633 INFO L523 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 11:54:33,633 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-05-06 11:54:33,634 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 11:54:33,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 11:54:33,634 INFO L82 PathProgramCache]: Analyzing trace with hash -79339060, now seen corresponding path program 1 times [2021-05-06 11:54:33,634 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-06 11:54:33,634 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1047557482] [2021-05-06 11:54:33,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 11:54:33,666 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 91.3 percent of original size [2021-05-06 11:54:33,668 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:54:33,680 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:54:35,988 WARN L205 SmtUtils]: Spent 2.30 s on a formula simplification that was a NOOP. DAG size: 16 [2021-05-06 11:54:40,011 WARN L205 SmtUtils]: Spent 4.02 s on a formula simplification. DAG size of input: 3 DAG size of output: 1 [2021-05-06 11:54:42,824 WARN L205 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 14 DAG size of output: 1 [2021-05-06 11:54:42,844 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-05-06 11:54:42,853 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-05-06 11:54:42,889 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 91.3 percent of original size 73 [2021-05-06 11:54:42,914 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:54:42,916 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-06 11:54:42,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 11:54:43,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-06 11:54:43,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 11:54:43,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-06 11:54:43,240 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-06 11:54:43,240 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1047557482] [2021-05-06 11:54:43,241 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1047557482] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-06 11:54:43,241 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-06 11:54:43,241 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-05-06 11:54:43,241 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104027933] [2021-05-06 11:54:43,241 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-05-06 11:54:43,241 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-06 11:54:43,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-05-06 11:54:43,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2021-05-06 11:54:43,242 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 5 states have internal predecessors, (10), 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) [2021-05-06 11:54:43,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 11:54:43,463 INFO L93 Difference]: Finished difference Result 26 states and 28 transitions. [2021-05-06 11:54:43,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-06 11:54:43,464 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 5 states have internal predecessors, (10), 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 14 [2021-05-06 11:54:43,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 11:54:43,465 INFO L225 Difference]: With dead ends: 26 [2021-05-06 11:54:43,465 INFO L226 Difference]: Without dead ends: 21 [2021-05-06 11:54:43,465 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 370.5ms TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2021-05-06 11:54:43,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2021-05-06 11:54:43,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 19. [2021-05-06 11:54:43,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 14 states have internal predecessors, (17), 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) [2021-05-06 11:54:43,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2021-05-06 11:54:43,470 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 14 [2021-05-06 11:54:43,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 11:54:43,470 INFO L480 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2021-05-06 11:54:43,470 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 5 states have internal predecessors, (10), 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) [2021-05-06 11:54:43,470 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2021-05-06 11:54:43,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-05-06 11:54:43,471 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 11:54:43,471 INFO L523 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 11:54:43,471 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-05-06 11:54:43,471 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 11:54:43,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 11:54:43,471 INFO L82 PathProgramCache]: Analyzing trace with hash 309814626, now seen corresponding path program 1 times [2021-05-06 11:54:43,471 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-06 11:54:43,472 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2102048506] [2021-05-06 11:54:43,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 11:54:43,483 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 91.8 percent of original size [2021-05-06 11:54:43,501 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:54:43,504 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:54:43,643 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-05-06 11:54:43,676 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-05-06 11:54:43,704 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 91.8 percent of original size 78 [2021-05-06 11:54:43,736 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:54:43,738 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation PRECISE [2021-05-06 11:54:43,744 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 91.3 percent of original size [2021-05-06 11:54:43,745 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:54:43,748 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:54:43,795 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-05-06 11:54:43,804 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-05-06 11:54:43,841 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 91.3 percent of original size 73 [2021-05-06 11:54:43,863 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:54:43,873 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 92.3 percent of original size [2021-05-06 11:54:43,899 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:54:43,902 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:54:47,926 WARN L205 SmtUtils]: Spent 4.02 s on a formula simplification. DAG size of input: 14 DAG size of output: 1 [2021-05-06 11:54:50,941 WARN L205 SmtUtils]: Spent 3.01 s on a formula simplification. DAG size of input: 3 DAG size of output: 1 [2021-05-06 11:54:50,980 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-05-06 11:54:50,984 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-05-06 11:54:50,999 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 92.3 percent of original size 84 [2021-05-06 11:54:51,022 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 2 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:54:51,024 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-05-06 11:54:51,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 11:54:51,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-06 11:54:51,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 11:54:51,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-06 11:54:51,318 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:54:51,567 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-06 11:54:51,567 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2102048506] [2021-05-06 11:54:51,567 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [2102048506] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-06 11:54:51,567 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-06 11:54:51,567 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-05-06 11:54:51,567 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122597092] [2021-05-06 11:54:51,567 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-05-06 11:54:51,567 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-06 11:54:51,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-05-06 11:54:51,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2021-05-06 11:54:51,568 INFO L87 Difference]: Start difference. First operand 19 states and 21 transitions. Second operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 9 states have internal predecessors, (13), 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) [2021-05-06 11:54:51,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 11:54:51,973 INFO L93 Difference]: Finished difference Result 31 states and 36 transitions. [2021-05-06 11:54:51,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-06 11:54:51,973 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 1.3) internal successors, (13), 9 states have internal predecessors, (13), 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 17 [2021-05-06 11:54:51,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 11:54:51,974 INFO L225 Difference]: With dead ends: 31 [2021-05-06 11:54:51,974 INFO L226 Difference]: Without dead ends: 23 [2021-05-06 11:54:51,976 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 4 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 624.3ms TimeCoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2021-05-06 11:54:51,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2021-05-06 11:54:51,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2021-05-06 11:54:51,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 17 states have internal predecessors, (20), 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) [2021-05-06 11:54:51,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 24 transitions. [2021-05-06 11:54:51,988 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 24 transitions. Word has length 17 [2021-05-06 11:54:51,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 11:54:51,988 INFO L480 AbstractCegarLoop]: Abstraction has 22 states and 24 transitions. [2021-05-06 11:54:51,988 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 10 states have (on average 1.3) internal successors, (13), 9 states have internal predecessors, (13), 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) [2021-05-06 11:54:51,988 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2021-05-06 11:54:51,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-05-06 11:54:51,989 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 11:54:51,989 INFO L523 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 11:54:51,990 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-05-06 11:54:51,990 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 11:54:51,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 11:54:51,990 INFO L82 PathProgramCache]: Analyzing trace with hash 1470542348, now seen corresponding path program 2 times [2021-05-06 11:54:51,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-06 11:54:51,990 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1324276915] [2021-05-06 11:54:51,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 11:54:52,005 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 92.7 percent of original size [2021-05-06 11:54:52,007 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:54:52,010 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:54:52,107 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-05-06 11:54:52,124 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-05-06 11:54:52,246 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 92.7 percent of original size 89 [2021-05-06 11:54:52,535 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-05-06 11:54:52,536 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 2 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:54:52,573 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 91.8 percent of original size [2021-05-06 11:54:52,586 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:54:52,589 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:54:52,645 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-05-06 11:54:52,671 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-05-06 11:54:52,716 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 91.8 percent of original size 78 [2021-05-06 11:54:52,739 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:54:52,745 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-05-06 11:54:52,766 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 91.3 percent of original size [2021-05-06 11:54:52,773 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:54:52,778 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:54:52,929 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-05-06 11:54:52,935 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-05-06 11:54:52,961 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 91.3 percent of original size 73 [2021-05-06 11:54:52,990 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:54:53,001 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 92.3 percent of original size [2021-05-06 11:54:53,016 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:54:53,024 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:54:53,097 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-05-06 11:54:53,099 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-05-06 11:54:53,112 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 92.3 percent of original size 84 [2021-05-06 11:54:53,140 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 2 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:54:53,144 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-05-06 11:54:53,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 11:54:53,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-06 11:54:53,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 11:54:53,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-06 11:54:53,526 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:54:53,859 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-06 11:54:53,859 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1324276915] [2021-05-06 11:54:53,859 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1324276915] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-06 11:54:53,859 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-06 11:54:53,860 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-05-06 11:54:53,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348111455] [2021-05-06 11:54:53,860 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-05-06 11:54:53,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-06 11:54:53,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-05-06 11:54:53,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2021-05-06 11:54:53,861 INFO L87 Difference]: Start difference. First operand 22 states and 24 transitions. Second operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 11 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) [2021-05-06 11:54:54,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 11:54:54,291 INFO L93 Difference]: Finished difference Result 34 states and 39 transitions. [2021-05-06 11:54:54,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-06 11:54:54,291 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 11 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 [2021-05-06 11:54:54,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 11:54:54,292 INFO L225 Difference]: With dead ends: 34 [2021-05-06 11:54:54,292 INFO L226 Difference]: Without dead ends: 26 [2021-05-06 11:54:54,293 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 816.9ms TimeCoverageRelationStatistics Valid=92, Invalid=414, Unknown=0, NotChecked=0, Total=506 [2021-05-06 11:54:54,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-05-06 11:54:54,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 25. [2021-05-06 11:54:54,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 20 states have (on average 1.15) internal successors, (23), 20 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) [2021-05-06 11:54:54,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 27 transitions. [2021-05-06 11:54:54,297 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 27 transitions. Word has length 20 [2021-05-06 11:54:54,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 11:54:54,297 INFO L480 AbstractCegarLoop]: Abstraction has 25 states and 27 transitions. [2021-05-06 11:54:54,297 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 11 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) [2021-05-06 11:54:54,297 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2021-05-06 11:54:54,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-05-06 11:54:54,298 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 11:54:54,298 INFO L523 BasicCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 11:54:54,298 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-05-06 11:54:54,298 INFO L428 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 11:54:54,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 11:54:54,298 INFO L82 PathProgramCache]: Analyzing trace with hash 1928408354, now seen corresponding path program 3 times [2021-05-06 11:54:54,298 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-06 11:54:54,299 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [841510587] [2021-05-06 11:54:54,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 11:54:54,309 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 92.7 percent of original size [2021-05-06 11:54:54,310 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:54:54,311 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:54:54,357 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-05-06 11:54:54,372 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-05-06 11:54:54,427 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 92.7 percent of original size 89 [2021-05-06 11:54:54,475 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 2 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:54:54,481 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 91.8 percent of original size [2021-05-06 11:54:54,482 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:54:54,484 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:54:54,578 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-05-06 11:54:54,591 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-05-06 11:54:54,623 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 91.8 percent of original size 78 [2021-05-06 11:54:54,649 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:54:54,651 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-05-06 11:54:54,653 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 91.3 percent of original size [2021-05-06 11:54:54,656 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:54:54,658 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:54:54,686 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-05-06 11:54:54,692 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-05-06 11:54:54,713 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 91.3 percent of original size 73 [2021-05-06 11:54:54,752 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:54:54,758 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 92.3 percent of original size [2021-05-06 11:54:54,783 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:54:54,785 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:54:55,289 WARN L205 SmtUtils]: Spent 502.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2021-05-06 11:54:55,333 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-05-06 11:54:55,336 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-05-06 11:54:55,347 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 92.3 percent of original size 84 [2021-05-06 11:54:55,370 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 2 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:54:55,371 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-05-06 11:54:55,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 11:54:55,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-06 11:54:55,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 11:54:55,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-06 11:54:55,663 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:54:56,152 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-06 11:54:56,152 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [841510587] [2021-05-06 11:54:56,152 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [841510587] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-06 11:54:56,153 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-06 11:54:56,153 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-05-06 11:54:56,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400874102] [2021-05-06 11:54:56,153 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-05-06 11:54:56,153 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-06 11:54:56,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-05-06 11:54:56,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2021-05-06 11:54:56,154 INFO L87 Difference]: Start difference. First operand 25 states and 27 transitions. Second operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 13 states have internal predecessors, (19), 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) [2021-05-06 11:54:56,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 11:54:56,729 INFO L93 Difference]: Finished difference Result 37 states and 42 transitions. [2021-05-06 11:54:56,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-05-06 11:54:56,730 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 13 states have internal predecessors, (19), 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 23 [2021-05-06 11:54:56,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 11:54:56,730 INFO L225 Difference]: With dead ends: 37 [2021-05-06 11:54:56,730 INFO L226 Difference]: Without dead ends: 29 [2021-05-06 11:54:56,731 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 4 SyntacticMatches, 4 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 1041.2ms TimeCoverageRelationStatistics Valid=108, Invalid=594, Unknown=0, NotChecked=0, Total=702 [2021-05-06 11:54:56,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-05-06 11:54:56,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 28. [2021-05-06 11:54:56,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 23 states have internal predecessors, (26), 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) [2021-05-06 11:54:56,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 30 transitions. [2021-05-06 11:54:56,735 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 30 transitions. Word has length 23 [2021-05-06 11:54:56,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 11:54:56,735 INFO L480 AbstractCegarLoop]: Abstraction has 28 states and 30 transitions. [2021-05-06 11:54:56,735 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 13 states have internal predecessors, (19), 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) [2021-05-06 11:54:56,735 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2021-05-06 11:54:56,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-05-06 11:54:56,736 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 11:54:56,736 INFO L523 BasicCegarLoop]: trace histogram [5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 11:54:56,736 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-05-06 11:54:56,736 INFO L428 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 11:54:56,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 11:54:56,736 INFO L82 PathProgramCache]: Analyzing trace with hash 1398461004, now seen corresponding path program 4 times [2021-05-06 11:54:56,736 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-06 11:54:56,737 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [428707725] [2021-05-06 11:54:56,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 11:54:56,745 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 92.7 percent of original size [2021-05-06 11:54:56,761 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:54:56,763 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:54:56,802 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-05-06 11:54:56,814 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-05-06 11:54:56,852 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 92.7 percent of original size 89 [2021-05-06 11:54:56,891 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 2 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:54:56,895 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 91.8 percent of original size [2021-05-06 11:54:56,895 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:54:56,897 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:54:56,942 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-05-06 11:54:56,957 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-05-06 11:54:57,006 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 91.8 percent of original size 78 [2021-05-06 11:54:57,038 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:54:57,039 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-05-06 11:54:57,042 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 91.3 percent of original size [2021-05-06 11:54:57,052 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:54:57,053 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:54:57,074 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-05-06 11:54:57,080 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-05-06 11:54:57,092 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 91.3 percent of original size 73 [2021-05-06 11:54:57,112 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:54:57,117 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 92.3 percent of original size [2021-05-06 11:54:57,132 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:54:57,134 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:01,145 WARN L205 SmtUtils]: Spent 4.01 s on a formula simplification. DAG size of input: 3 DAG size of output: 1 [2021-05-06 11:55:03,156 WARN L205 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 14 [2021-05-06 11:55:03,325 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 1 [2021-05-06 11:55:03,335 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-05-06 11:55:03,338 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-05-06 11:55:03,349 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 92.3 percent of original size 84 [2021-05-06 11:55:03,369 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 2 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:55:03,370 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-05-06 11:55:03,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 11:55:03,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-06 11:55:03,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 11:55:03,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-06 11:55:03,657 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:55:04,270 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-06 11:55:04,270 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [428707725] [2021-05-06 11:55:04,270 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [428707725] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-06 11:55:04,270 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-06 11:55:04,270 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-05-06 11:55:04,270 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945116317] [2021-05-06 11:55:04,271 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-05-06 11:55:04,271 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-06 11:55:04,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-05-06 11:55:04,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2021-05-06 11:55:04,271 INFO L87 Difference]: Start difference. First operand 28 states and 30 transitions. Second operand has 17 states, 16 states have (on average 1.375) internal successors, (22), 15 states have internal predecessors, (22), 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) [2021-05-06 11:55:05,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 11:55:05,001 INFO L93 Difference]: Finished difference Result 40 states and 45 transitions. [2021-05-06 11:55:05,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-05-06 11:55:05,001 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 1.375) internal successors, (22), 15 states have internal predecessors, (22), 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 26 [2021-05-06 11:55:05,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 11:55:05,002 INFO L225 Difference]: With dead ends: 40 [2021-05-06 11:55:05,002 INFO L226 Difference]: Without dead ends: 32 [2021-05-06 11:55:05,002 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 4 SyntacticMatches, 5 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 218 ImplicationChecksByTransitivity, 1303.4ms TimeCoverageRelationStatistics Valid=124, Invalid=806, Unknown=0, NotChecked=0, Total=930 [2021-05-06 11:55:05,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2021-05-06 11:55:05,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 31. [2021-05-06 11:55:05,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 26 states have (on average 1.1153846153846154) internal successors, (29), 26 states have internal predecessors, (29), 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) [2021-05-06 11:55:05,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 33 transitions. [2021-05-06 11:55:05,007 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 33 transitions. Word has length 26 [2021-05-06 11:55:05,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 11:55:05,007 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 33 transitions. [2021-05-06 11:55:05,007 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 17 states, 16 states have (on average 1.375) internal successors, (22), 15 states have internal predecessors, (22), 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) [2021-05-06 11:55:05,007 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 33 transitions. [2021-05-06 11:55:05,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-05-06 11:55:05,008 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 11:55:05,008 INFO L523 BasicCegarLoop]: trace histogram [6, 6, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 11:55:05,008 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-05-06 11:55:05,008 INFO L428 AbstractCegarLoop]: === Iteration 8 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 11:55:05,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 11:55:05,008 INFO L82 PathProgramCache]: Analyzing trace with hash 2036737250, now seen corresponding path program 5 times [2021-05-06 11:55:05,008 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-06 11:55:05,008 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [108454350] [2021-05-06 11:55:05,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 11:55:05,016 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 92.7 percent of original size [2021-05-06 11:55:05,017 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:05,018 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:05,169 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-05-06 11:55:05,186 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-05-06 11:55:05,229 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 92.7 percent of original size 89 [2021-05-06 11:55:05,273 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 2 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:55:05,277 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 91.8 percent of original size [2021-05-06 11:55:05,278 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:05,279 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:05,361 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-05-06 11:55:05,374 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-05-06 11:55:05,411 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 91.8 percent of original size 78 [2021-05-06 11:55:05,439 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:55:05,440 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-05-06 11:55:05,442 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 91.3 percent of original size [2021-05-06 11:55:05,453 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:05,454 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:05,505 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-05-06 11:55:05,511 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-05-06 11:55:05,526 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 91.3 percent of original size 73 [2021-05-06 11:55:05,544 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:55:05,548 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 92.3 percent of original size [2021-05-06 11:55:05,549 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:05,550 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:05,739 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 3 DAG size of output: 1 [2021-05-06 11:55:05,751 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-05-06 11:55:05,754 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-05-06 11:55:05,780 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 92.3 percent of original size 84 [2021-05-06 11:55:05,800 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 2 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:55:05,802 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-05-06 11:55:05,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 11:55:06,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-06 11:55:06,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 11:55:06,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-06 11:55:06,059 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:55:06,857 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-06 11:55:06,857 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [108454350] [2021-05-06 11:55:06,857 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [108454350] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-06 11:55:06,857 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-06 11:55:06,857 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-05-06 11:55:06,857 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630954304] [2021-05-06 11:55:06,857 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-05-06 11:55:06,857 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-06 11:55:06,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-05-06 11:55:06,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=397, Unknown=0, NotChecked=0, Total=462 [2021-05-06 11:55:06,858 INFO L87 Difference]: Start difference. First operand 31 states and 33 transitions. Second operand has 19 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 17 states have internal predecessors, (25), 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) [2021-05-06 11:55:07,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 11:55:07,750 INFO L93 Difference]: Finished difference Result 43 states and 48 transitions. [2021-05-06 11:55:07,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-05-06 11:55:07,750 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 17 states have internal predecessors, (25), 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 29 [2021-05-06 11:55:07,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 11:55:07,751 INFO L225 Difference]: With dead ends: 43 [2021-05-06 11:55:07,751 INFO L226 Difference]: Without dead ends: 35 [2021-05-06 11:55:07,751 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 4 SyntacticMatches, 6 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 286 ImplicationChecksByTransitivity, 1532.9ms TimeCoverageRelationStatistics Valid=140, Invalid=1050, Unknown=0, NotChecked=0, Total=1190 [2021-05-06 11:55:07,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-05-06 11:55:07,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 34. [2021-05-06 11:55:07,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 29 states have (on average 1.103448275862069) internal successors, (32), 29 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) [2021-05-06 11:55:07,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 36 transitions. [2021-05-06 11:55:07,756 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 36 transitions. Word has length 29 [2021-05-06 11:55:07,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 11:55:07,757 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 36 transitions. [2021-05-06 11:55:07,757 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 19 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 17 states have internal predecessors, (25), 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) [2021-05-06 11:55:07,757 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2021-05-06 11:55:07,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-05-06 11:55:07,757 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 11:55:07,757 INFO L523 BasicCegarLoop]: trace histogram [7, 7, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 11:55:07,757 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-05-06 11:55:07,758 INFO L428 AbstractCegarLoop]: === Iteration 9 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 11:55:07,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 11:55:07,758 INFO L82 PathProgramCache]: Analyzing trace with hash -1190804852, now seen corresponding path program 6 times [2021-05-06 11:55:07,758 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-06 11:55:07,758 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2086732265] [2021-05-06 11:55:07,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 11:55:07,766 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 92.7 percent of original size [2021-05-06 11:55:07,783 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:07,785 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:07,836 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-05-06 11:55:07,852 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-05-06 11:55:07,893 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 92.7 percent of original size 89 [2021-05-06 11:55:07,951 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 2 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:55:07,955 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 91.8 percent of original size [2021-05-06 11:55:07,969 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:07,970 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:08,031 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-05-06 11:55:08,047 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-05-06 11:55:08,072 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 91.8 percent of original size 78 [2021-05-06 11:55:08,127 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:55:08,128 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-05-06 11:55:08,130 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 91.3 percent of original size [2021-05-06 11:55:08,140 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:08,142 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:08,311 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-05-06 11:55:08,331 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-05-06 11:55:08,336 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-05-06 11:55:08,346 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 91.3 percent of original size 73 [2021-05-06 11:55:08,364 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:55:08,368 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 92.3 percent of original size [2021-05-06 11:55:08,369 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:08,370 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:08,395 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-05-06 11:55:08,398 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-05-06 11:55:08,422 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 92.3 percent of original size 84 [2021-05-06 11:55:08,443 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 2 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:55:08,444 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-05-06 11:55:08,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 11:55:08,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-06 11:55:08,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 11:55:08,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-06 11:55:08,804 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:55:09,785 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-06 11:55:09,786 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2086732265] [2021-05-06 11:55:09,786 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [2086732265] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-06 11:55:09,786 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-06 11:55:09,786 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2021-05-06 11:55:09,786 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731330305] [2021-05-06 11:55:09,786 INFO L460 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-05-06 11:55:09,786 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-06 11:55:09,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-05-06 11:55:09,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=481, Unknown=0, NotChecked=0, Total=552 [2021-05-06 11:55:09,787 INFO L87 Difference]: Start difference. First operand 34 states and 36 transitions. Second operand has 21 states, 20 states have (on average 1.4) internal successors, (28), 19 states have internal predecessors, (28), 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) [2021-05-06 11:55:10,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 11:55:10,937 INFO L93 Difference]: Finished difference Result 46 states and 51 transitions. [2021-05-06 11:55:10,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-05-06 11:55:10,938 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 1.4) internal successors, (28), 19 states have internal predecessors, (28), 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 32 [2021-05-06 11:55:10,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 11:55:10,938 INFO L225 Difference]: With dead ends: 46 [2021-05-06 11:55:10,938 INFO L226 Difference]: Without dead ends: 38 [2021-05-06 11:55:10,939 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 4 SyntacticMatches, 7 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 361 ImplicationChecksByTransitivity, 1823.7ms TimeCoverageRelationStatistics Valid=156, Invalid=1326, Unknown=0, NotChecked=0, Total=1482 [2021-05-06 11:55:10,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2021-05-06 11:55:10,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 37. [2021-05-06 11:55:10,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 32 states have (on average 1.09375) internal successors, (35), 32 states have internal predecessors, (35), 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) [2021-05-06 11:55:10,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 39 transitions. [2021-05-06 11:55:10,945 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 39 transitions. Word has length 32 [2021-05-06 11:55:10,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 11:55:10,945 INFO L480 AbstractCegarLoop]: Abstraction has 37 states and 39 transitions. [2021-05-06 11:55:10,945 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 21 states, 20 states have (on average 1.4) internal successors, (28), 19 states have internal predecessors, (28), 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) [2021-05-06 11:55:10,945 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 39 transitions. [2021-05-06 11:55:10,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-05-06 11:55:10,945 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 11:55:10,945 INFO L523 BasicCegarLoop]: trace histogram [8, 8, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 11:55:10,946 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-05-06 11:55:10,946 INFO L428 AbstractCegarLoop]: === Iteration 10 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 11:55:10,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 11:55:10,946 INFO L82 PathProgramCache]: Analyzing trace with hash -1464709982, now seen corresponding path program 7 times [2021-05-06 11:55:10,946 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-06 11:55:10,946 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [226767140] [2021-05-06 11:55:10,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 11:55:10,954 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 92.7 percent of original size [2021-05-06 11:55:10,955 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:10,957 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:11,042 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-05-06 11:55:11,192 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-05-06 11:55:11,198 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-05-06 11:55:11,250 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 92.7 percent of original size 89 [2021-05-06 11:55:11,296 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 2 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:55:11,300 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 91.8 percent of original size [2021-05-06 11:55:11,312 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:11,313 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:11,388 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-05-06 11:55:11,405 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-05-06 11:55:11,441 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 91.8 percent of original size 78 [2021-05-06 11:55:11,470 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:55:11,471 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-05-06 11:55:11,473 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 91.3 percent of original size [2021-05-06 11:55:11,474 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:11,478 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:11,528 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-05-06 11:55:11,533 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-05-06 11:55:11,557 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 91.3 percent of original size 73 [2021-05-06 11:55:11,575 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:55:11,580 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 92.3 percent of original size [2021-05-06 11:55:11,620 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:11,622 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:11,643 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-05-06 11:55:11,645 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-05-06 11:55:11,662 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 92.3 percent of original size 84 [2021-05-06 11:55:11,680 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 2 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:55:11,683 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-05-06 11:55:11,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 11:55:11,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-06 11:55:11,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 11:55:11,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-06 11:55:11,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:55:13,100 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-06 11:55:13,100 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [226767140] [2021-05-06 11:55:13,100 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [226767140] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-06 11:55:13,100 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-06 11:55:13,100 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2021-05-06 11:55:13,100 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566961537] [2021-05-06 11:55:13,101 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-05-06 11:55:13,101 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-06 11:55:13,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-05-06 11:55:13,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=573, Unknown=0, NotChecked=0, Total=650 [2021-05-06 11:55:13,101 INFO L87 Difference]: Start difference. First operand 37 states and 39 transitions. Second operand has 23 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 21 states have internal predecessors, (31), 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) [2021-05-06 11:55:14,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 11:55:14,409 INFO L93 Difference]: Finished difference Result 49 states and 54 transitions. [2021-05-06 11:55:14,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-05-06 11:55:14,409 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 21 states have internal predecessors, (31), 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 35 [2021-05-06 11:55:14,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 11:55:14,410 INFO L225 Difference]: With dead ends: 49 [2021-05-06 11:55:14,410 INFO L226 Difference]: Without dead ends: 41 [2021-05-06 11:55:14,411 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 4 SyntacticMatches, 8 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 443 ImplicationChecksByTransitivity, 2057.4ms TimeCoverageRelationStatistics Valid=172, Invalid=1634, Unknown=0, NotChecked=0, Total=1806 [2021-05-06 11:55:14,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2021-05-06 11:55:14,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 40. [2021-05-06 11:55:14,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 35 states have (on average 1.0857142857142856) internal successors, (38), 35 states have internal predecessors, (38), 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) [2021-05-06 11:55:14,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 42 transitions. [2021-05-06 11:55:14,416 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 42 transitions. Word has length 35 [2021-05-06 11:55:14,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 11:55:14,417 INFO L480 AbstractCegarLoop]: Abstraction has 40 states and 42 transitions. [2021-05-06 11:55:14,417 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 23 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 21 states have internal predecessors, (31), 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) [2021-05-06 11:55:14,417 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 42 transitions. [2021-05-06 11:55:14,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-05-06 11:55:14,418 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 11:55:14,431 INFO L523 BasicCegarLoop]: trace histogram [9, 9, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 11:55:14,431 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-05-06 11:55:14,431 INFO L428 AbstractCegarLoop]: === Iteration 11 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 11:55:14,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 11:55:14,432 INFO L82 PathProgramCache]: Analyzing trace with hash -934575412, now seen corresponding path program 8 times [2021-05-06 11:55:14,432 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-06 11:55:14,432 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1071072629] [2021-05-06 11:55:14,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 11:55:14,444 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 92.7 percent of original size [2021-05-06 11:55:14,445 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:14,446 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:14,574 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-05-06 11:55:14,599 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-05-06 11:55:14,666 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 92.7 percent of original size 89 [2021-05-06 11:55:14,773 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-05-06 11:55:14,774 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 2 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:55:14,777 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 91.8 percent of original size [2021-05-06 11:55:14,777 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:14,778 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:14,822 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-05-06 11:55:14,846 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-05-06 11:55:14,886 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 91.8 percent of original size 78 [2021-05-06 11:55:14,910 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:55:14,911 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-05-06 11:55:14,913 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 91.3 percent of original size [2021-05-06 11:55:14,923 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:14,924 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:14,969 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-05-06 11:55:14,974 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-05-06 11:55:14,991 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 91.3 percent of original size 73 [2021-05-06 11:55:15,012 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:55:15,016 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 92.3 percent of original size [2021-05-06 11:55:15,031 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:15,032 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:17,484 WARN L205 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 14 DAG size of output: 1 [2021-05-06 11:55:19,237 WARN L205 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 3 DAG size of output: 1 [2021-05-06 11:55:21,246 WARN L205 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 14 [2021-05-06 11:55:21,258 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-05-06 11:55:21,267 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-05-06 11:55:21,278 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 92.3 percent of original size 84 [2021-05-06 11:55:21,299 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 2 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:55:21,301 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-05-06 11:55:21,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 11:55:21,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-06 11:55:21,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 11:55:21,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-06 11:55:21,596 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:55:22,834 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-06 11:55:22,834 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1071072629] [2021-05-06 11:55:22,834 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1071072629] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-06 11:55:22,834 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-06 11:55:22,834 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2021-05-06 11:55:22,835 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371276224] [2021-05-06 11:55:22,835 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-05-06 11:55:22,835 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-06 11:55:22,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-05-06 11:55:22,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=666, Unknown=0, NotChecked=0, Total=756 [2021-05-06 11:55:22,835 INFO L87 Difference]: Start difference. First operand 40 states and 42 transitions. Second operand has 25 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 23 states have internal predecessors, (34), 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) [2021-05-06 11:55:24,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 11:55:24,313 INFO L93 Difference]: Finished difference Result 52 states and 57 transitions. [2021-05-06 11:55:24,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-05-06 11:55:24,313 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 23 states have internal predecessors, (34), 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 38 [2021-05-06 11:55:24,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 11:55:24,314 INFO L225 Difference]: With dead ends: 52 [2021-05-06 11:55:24,314 INFO L226 Difference]: Without dead ends: 44 [2021-05-06 11:55:24,315 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 4 SyntacticMatches, 9 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 518 ImplicationChecksByTransitivity, 2333.0ms TimeCoverageRelationStatistics Valid=202, Invalid=1960, Unknown=0, NotChecked=0, Total=2162 [2021-05-06 11:55:24,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2021-05-06 11:55:24,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 43. [2021-05-06 11:55:24,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 38 states have (on average 1.0789473684210527) internal successors, (41), 38 states have internal predecessors, (41), 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) [2021-05-06 11:55:24,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 45 transitions. [2021-05-06 11:55:24,321 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 45 transitions. Word has length 38 [2021-05-06 11:55:24,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 11:55:24,321 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 45 transitions. [2021-05-06 11:55:24,321 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 25 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 23 states have internal predecessors, (34), 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) [2021-05-06 11:55:24,321 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2021-05-06 11:55:24,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-05-06 11:55:24,322 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 11:55:24,322 INFO L523 BasicCegarLoop]: trace histogram [10, 10, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 11:55:24,322 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-05-06 11:55:24,322 INFO L428 AbstractCegarLoop]: === Iteration 12 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 11:55:24,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 11:55:24,322 INFO L82 PathProgramCache]: Analyzing trace with hash -290347934, now seen corresponding path program 9 times [2021-05-06 11:55:24,322 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-06 11:55:24,322 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1442287187] [2021-05-06 11:55:24,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 11:55:24,342 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 92.7 percent of original size [2021-05-06 11:55:24,343 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:24,344 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:24,463 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-05-06 11:55:24,475 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-05-06 11:55:24,529 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 92.7 percent of original size 89 [2021-05-06 11:55:24,574 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 2 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:55:24,577 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 91.8 percent of original size [2021-05-06 11:55:24,593 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:24,594 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:24,637 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-05-06 11:55:24,653 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-05-06 11:55:24,695 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 91.8 percent of original size 78 [2021-05-06 11:55:24,720 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:55:24,721 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-05-06 11:55:24,723 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 91.3 percent of original size [2021-05-06 11:55:24,724 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:24,725 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:24,750 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-05-06 11:55:24,755 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-05-06 11:55:24,776 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 91.3 percent of original size 73 [2021-05-06 11:55:24,793 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:55:24,802 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 92.3 percent of original size [2021-05-06 11:55:24,817 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:24,818 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:24,845 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-05-06 11:55:24,848 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-05-06 11:55:24,860 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 92.3 percent of original size 84 [2021-05-06 11:55:24,880 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 2 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:55:24,881 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-05-06 11:55:24,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 11:55:25,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-06 11:55:25,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 11:55:25,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-06 11:55:25,126 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:55:25,237 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 23 [2021-05-06 11:55:26,748 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-06 11:55:26,748 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1442287187] [2021-05-06 11:55:26,748 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1442287187] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-06 11:55:26,748 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-06 11:55:26,748 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2021-05-06 11:55:26,748 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636634313] [2021-05-06 11:55:26,748 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-05-06 11:55:26,749 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-06 11:55:26,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-05-06 11:55:26,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=781, Unknown=0, NotChecked=0, Total=870 [2021-05-06 11:55:26,749 INFO L87 Difference]: Start difference. First operand 43 states and 45 transitions. Second operand has 27 states, 26 states have (on average 1.4230769230769231) internal successors, (37), 25 states have internal predecessors, (37), 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) [2021-05-06 11:55:28,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 11:55:28,542 INFO L93 Difference]: Finished difference Result 55 states and 60 transitions. [2021-05-06 11:55:28,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-05-06 11:55:28,543 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 1.4230769230769231) internal successors, (37), 25 states have internal predecessors, (37), 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 41 [2021-05-06 11:55:28,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 11:55:28,543 INFO L225 Difference]: With dead ends: 55 [2021-05-06 11:55:28,543 INFO L226 Difference]: Without dead ends: 47 [2021-05-06 11:55:28,544 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 4 SyntacticMatches, 10 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 628 ImplicationChecksByTransitivity, 2871.7ms TimeCoverageRelationStatistics Valid=204, Invalid=2346, Unknown=0, NotChecked=0, Total=2550 [2021-05-06 11:55:28,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2021-05-06 11:55:28,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 46. [2021-05-06 11:55:28,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 41 states have (on average 1.0731707317073171) internal successors, (44), 41 states have internal predecessors, (44), 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) [2021-05-06 11:55:28,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 48 transitions. [2021-05-06 11:55:28,550 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 48 transitions. Word has length 41 [2021-05-06 11:55:28,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 11:55:28,550 INFO L480 AbstractCegarLoop]: Abstraction has 46 states and 48 transitions. [2021-05-06 11:55:28,550 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 27 states, 26 states have (on average 1.4230769230769231) internal successors, (37), 25 states have internal predecessors, (37), 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) [2021-05-06 11:55:28,550 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 48 transitions. [2021-05-06 11:55:28,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-05-06 11:55:28,550 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 11:55:28,550 INFO L523 BasicCegarLoop]: trace histogram [11, 11, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 11:55:28,551 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-05-06 11:55:28,551 INFO L428 AbstractCegarLoop]: === Iteration 13 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 11:55:28,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 11:55:28,551 INFO L82 PathProgramCache]: Analyzing trace with hash 1976570636, now seen corresponding path program 10 times [2021-05-06 11:55:28,551 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-06 11:55:28,551 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1882059099] [2021-05-06 11:55:28,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 11:55:28,558 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 92.7 percent of original size [2021-05-06 11:55:28,574 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:28,576 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:28,667 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-05-06 11:55:28,686 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-05-06 11:55:28,716 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 92.7 percent of original size 89 [2021-05-06 11:55:28,761 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 2 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:55:28,764 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 91.8 percent of original size [2021-05-06 11:55:28,775 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:28,777 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:29,286 WARN L205 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 1 [2021-05-06 11:55:29,287 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-05-06 11:55:29,298 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-05-06 11:55:29,325 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 91.8 percent of original size 78 [2021-05-06 11:55:29,361 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:55:29,362 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-05-06 11:55:29,364 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 91.3 percent of original size [2021-05-06 11:55:29,374 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:29,375 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:29,587 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 3 DAG size of output: 1 [2021-05-06 11:55:29,625 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-05-06 11:55:29,629 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-05-06 11:55:29,650 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 91.3 percent of original size 73 [2021-05-06 11:55:29,670 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:55:29,673 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 92.3 percent of original size [2021-05-06 11:55:29,674 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:29,675 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:29,700 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-05-06 11:55:29,703 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-05-06 11:55:29,726 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 92.3 percent of original size 84 [2021-05-06 11:55:29,746 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 2 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:55:29,747 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-05-06 11:55:29,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 11:55:29,919 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 26 [2021-05-06 11:55:30,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-06 11:55:30,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 11:55:30,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-06 11:55:30,035 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:55:31,885 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-06 11:55:31,885 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1882059099] [2021-05-06 11:55:31,885 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1882059099] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-06 11:55:31,885 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-06 11:55:31,886 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [29] imperfect sequences [] total 29 [2021-05-06 11:55:31,886 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695883560] [2021-05-06 11:55:31,886 INFO L460 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-05-06 11:55:31,886 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-06 11:55:31,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-05-06 11:55:31,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=887, Unknown=0, NotChecked=0, Total=992 [2021-05-06 11:55:31,887 INFO L87 Difference]: Start difference. First operand 46 states and 48 transitions. Second operand has 29 states, 28 states have (on average 1.4285714285714286) internal successors, (40), 27 states have internal predecessors, (40), 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) [2021-05-06 11:55:33,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 11:55:33,853 INFO L93 Difference]: Finished difference Result 58 states and 63 transitions. [2021-05-06 11:55:33,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-05-06 11:55:33,854 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 1.4285714285714286) internal successors, (40), 27 states have internal predecessors, (40), 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 44 [2021-05-06 11:55:33,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 11:55:33,854 INFO L225 Difference]: With dead ends: 58 [2021-05-06 11:55:33,854 INFO L226 Difference]: Without dead ends: 50 [2021-05-06 11:55:33,855 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 4 SyntacticMatches, 11 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 716 ImplicationChecksByTransitivity, 3180.2ms TimeCoverageRelationStatistics Valid=239, Invalid=2731, Unknown=0, NotChecked=0, Total=2970 [2021-05-06 11:55:33,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2021-05-06 11:55:33,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 49. [2021-05-06 11:55:33,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 44 states have (on average 1.0681818181818181) internal successors, (47), 44 states have internal predecessors, (47), 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) [2021-05-06 11:55:33,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 51 transitions. [2021-05-06 11:55:33,862 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 51 transitions. Word has length 44 [2021-05-06 11:55:33,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 11:55:33,862 INFO L480 AbstractCegarLoop]: Abstraction has 49 states and 51 transitions. [2021-05-06 11:55:33,862 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 29 states, 28 states have (on average 1.4285714285714286) internal successors, (40), 27 states have internal predecessors, (40), 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) [2021-05-06 11:55:33,862 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 51 transitions. [2021-05-06 11:55:33,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-05-06 11:55:33,863 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 11:55:33,863 INFO L523 BasicCegarLoop]: trace histogram [12, 12, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 11:55:33,863 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2021-05-06 11:55:33,863 INFO L428 AbstractCegarLoop]: === Iteration 14 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 11:55:33,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 11:55:33,863 INFO L82 PathProgramCache]: Analyzing trace with hash 1681927202, now seen corresponding path program 11 times [2021-05-06 11:55:33,863 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-06 11:55:33,863 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1488154249] [2021-05-06 11:55:33,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 11:55:33,871 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 92.7 percent of original size [2021-05-06 11:55:33,872 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:33,873 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:34,186 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2021-05-06 11:55:34,280 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-05-06 11:55:34,315 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-05-06 11:55:34,373 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 92.7 percent of original size 89 [2021-05-06 11:55:34,421 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 2 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:55:34,424 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 91.8 percent of original size [2021-05-06 11:55:34,424 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:34,425 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:34,475 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-05-06 11:55:34,493 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-05-06 11:55:34,527 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 91.8 percent of original size 78 [2021-05-06 11:55:34,556 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:55:34,557 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-05-06 11:55:34,559 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 91.3 percent of original size [2021-05-06 11:55:34,560 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:34,563 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:34,591 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-05-06 11:55:34,596 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-05-06 11:55:34,628 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 91.3 percent of original size 73 [2021-05-06 11:55:34,648 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:55:34,670 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 92.3 percent of original size [2021-05-06 11:55:34,670 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:34,672 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:35,556 WARN L205 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 1 [2021-05-06 11:55:38,297 WARN L205 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 3 DAG size of output: 1 [2021-05-06 11:55:38,755 WARN L205 SmtUtils]: Spent 457.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2021-05-06 11:55:38,772 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-05-06 11:55:38,785 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-05-06 11:55:38,828 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 92.3 percent of original size 84 [2021-05-06 11:55:38,846 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 2 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:55:38,847 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-05-06 11:55:38,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 11:55:39,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-06 11:55:39,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 11:55:39,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-06 11:55:39,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:55:41,088 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-06 11:55:41,088 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1488154249] [2021-05-06 11:55:41,088 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1488154249] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-06 11:55:41,088 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-06 11:55:41,088 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2021-05-06 11:55:41,088 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934351433] [2021-05-06 11:55:41,088 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-05-06 11:55:41,088 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-06 11:55:41,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-05-06 11:55:41,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1021, Unknown=0, NotChecked=0, Total=1122 [2021-05-06 11:55:41,089 INFO L87 Difference]: Start difference. First operand 49 states and 51 transitions. Second operand has 31 states, 30 states have (on average 1.4333333333333333) internal successors, (43), 29 states have internal predecessors, (43), 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) [2021-05-06 11:55:43,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 11:55:43,340 INFO L93 Difference]: Finished difference Result 61 states and 66 transitions. [2021-05-06 11:55:43,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-05-06 11:55:43,341 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 1.4333333333333333) internal successors, (43), 29 states have internal predecessors, (43), 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 47 [2021-05-06 11:55:43,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 11:55:43,341 INFO L225 Difference]: With dead ends: 61 [2021-05-06 11:55:43,341 INFO L226 Difference]: Without dead ends: 53 [2021-05-06 11:55:43,342 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 4 SyntacticMatches, 12 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 841 ImplicationChecksByTransitivity, 3335.2ms TimeCoverageRelationStatistics Valid=236, Invalid=3186, Unknown=0, NotChecked=0, Total=3422 [2021-05-06 11:55:43,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-05-06 11:55:43,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 52. [2021-05-06 11:55:43,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 47 states have (on average 1.0638297872340425) internal successors, (50), 47 states have internal predecessors, (50), 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) [2021-05-06 11:55:43,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 54 transitions. [2021-05-06 11:55:43,348 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 54 transitions. Word has length 47 [2021-05-06 11:55:43,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 11:55:43,348 INFO L480 AbstractCegarLoop]: Abstraction has 52 states and 54 transitions. [2021-05-06 11:55:43,348 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 31 states, 30 states have (on average 1.4333333333333333) internal successors, (43), 29 states have internal predecessors, (43), 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) [2021-05-06 11:55:43,348 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 54 transitions. [2021-05-06 11:55:43,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-05-06 11:55:43,349 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 11:55:43,349 INFO L523 BasicCegarLoop]: trace histogram [13, 13, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 11:55:43,349 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2021-05-06 11:55:43,349 INFO L428 AbstractCegarLoop]: === Iteration 15 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 11:55:43,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 11:55:43,349 INFO L82 PathProgramCache]: Analyzing trace with hash -1422429364, now seen corresponding path program 12 times [2021-05-06 11:55:43,349 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-06 11:55:43,349 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1072804633] [2021-05-06 11:55:43,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 11:55:43,356 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 92.7 percent of original size [2021-05-06 11:55:43,372 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:43,374 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:43,414 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-05-06 11:55:43,427 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-05-06 11:55:43,460 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 92.7 percent of original size 89 [2021-05-06 11:55:43,511 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 2 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:55:43,514 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 91.8 percent of original size [2021-05-06 11:55:43,515 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:43,516 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:43,555 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-05-06 11:55:43,572 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-05-06 11:55:43,601 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 91.8 percent of original size 78 [2021-05-06 11:55:43,629 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:55:43,630 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-05-06 11:55:43,632 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 91.3 percent of original size [2021-05-06 11:55:43,642 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:43,643 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:43,681 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-05-06 11:55:43,686 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-05-06 11:55:43,702 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 91.3 percent of original size 73 [2021-05-06 11:55:43,720 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:55:43,724 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 92.3 percent of original size [2021-05-06 11:55:43,725 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:43,726 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:43,898 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 1 [2021-05-06 11:55:43,901 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-05-06 11:55:43,903 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-05-06 11:55:43,928 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 92.3 percent of original size 84 [2021-05-06 11:55:43,948 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 2 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:55:43,949 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-05-06 11:55:43,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 11:55:44,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-06 11:55:44,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 11:55:44,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-06 11:55:44,179 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:55:46,522 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-06 11:55:46,522 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1072804633] [2021-05-06 11:55:46,522 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1072804633] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-06 11:55:46,522 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-06 11:55:46,522 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [33] imperfect sequences [] total 33 [2021-05-06 11:55:46,523 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696322922] [2021-05-06 11:55:46,524 INFO L460 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-05-06 11:55:46,524 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-06 11:55:46,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-05-06 11:55:46,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=1153, Unknown=0, NotChecked=0, Total=1260 [2021-05-06 11:55:46,525 INFO L87 Difference]: Start difference. First operand 52 states and 54 transitions. Second operand has 33 states, 32 states have (on average 1.4375) internal successors, (46), 31 states have internal predecessors, (46), 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) [2021-05-06 11:55:48,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 11:55:48,949 INFO L93 Difference]: Finished difference Result 64 states and 69 transitions. [2021-05-06 11:55:48,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-05-06 11:55:48,949 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 1.4375) internal successors, (46), 31 states have internal predecessors, (46), 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 50 [2021-05-06 11:55:48,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 11:55:48,950 INFO L225 Difference]: With dead ends: 64 [2021-05-06 11:55:48,950 INFO L226 Difference]: Without dead ends: 56 [2021-05-06 11:55:48,951 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 4 SyntacticMatches, 13 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 958 ImplicationChecksByTransitivity, 4043.7ms TimeCoverageRelationStatistics Valid=252, Invalid=3654, Unknown=0, NotChecked=0, Total=3906 [2021-05-06 11:55:48,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2021-05-06 11:55:48,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 55. [2021-05-06 11:55:48,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 50 states have (on average 1.06) internal successors, (53), 50 states have internal predecessors, (53), 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) [2021-05-06 11:55:48,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 57 transitions. [2021-05-06 11:55:48,959 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 57 transitions. Word has length 50 [2021-05-06 11:55:48,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 11:55:48,959 INFO L480 AbstractCegarLoop]: Abstraction has 55 states and 57 transitions. [2021-05-06 11:55:48,959 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 33 states, 32 states have (on average 1.4375) internal successors, (46), 31 states have internal predecessors, (46), 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) [2021-05-06 11:55:48,959 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 57 transitions. [2021-05-06 11:55:48,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-05-06 11:55:48,959 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 11:55:48,960 INFO L523 BasicCegarLoop]: trace histogram [14, 14, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 11:55:48,960 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2021-05-06 11:55:48,960 INFO L428 AbstractCegarLoop]: === Iteration 16 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 11:55:48,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 11:55:48,960 INFO L82 PathProgramCache]: Analyzing trace with hash 221897698, now seen corresponding path program 13 times [2021-05-06 11:55:48,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-06 11:55:48,960 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2101921147] [2021-05-06 11:55:48,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 11:55:48,967 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 92.7 percent of original size [2021-05-06 11:55:48,968 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:48,972 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:49,350 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2021-05-06 11:55:49,995 WARN L205 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 3 DAG size of output: 1 [2021-05-06 11:55:52,021 WARN L205 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 14 DAG size of output: 1 [2021-05-06 11:55:52,042 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-05-06 11:55:52,052 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-05-06 11:55:52,101 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 92.7 percent of original size 89 [2021-05-06 11:55:52,145 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 2 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:55:52,149 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 91.8 percent of original size [2021-05-06 11:55:52,149 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:52,150 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:52,212 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-05-06 11:55:52,220 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-05-06 11:55:52,300 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 91.8 percent of original size 78 [2021-05-06 11:55:52,335 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:55:52,336 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-05-06 11:55:52,338 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 91.3 percent of original size [2021-05-06 11:55:52,348 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:52,349 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:52,371 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-05-06 11:55:52,376 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-05-06 11:55:52,387 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 91.3 percent of original size 73 [2021-05-06 11:55:52,404 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:55:52,408 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 92.3 percent of original size [2021-05-06 11:55:52,429 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:52,430 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:52,462 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-05-06 11:55:52,464 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-05-06 11:55:52,476 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 92.3 percent of original size 84 [2021-05-06 11:55:52,496 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 2 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:55:52,497 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-05-06 11:55:52,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 11:55:52,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-06 11:55:52,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 11:55:52,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-06 11:55:52,692 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:55:55,169 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-06 11:55:55,169 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2101921147] [2021-05-06 11:55:55,170 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [2101921147] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-06 11:55:55,170 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-06 11:55:55,170 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2021-05-06 11:55:55,170 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100820631] [2021-05-06 11:55:55,170 INFO L460 AbstractCegarLoop]: Interpolant automaton has 35 states [2021-05-06 11:55:55,170 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-06 11:55:55,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2021-05-06 11:55:55,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=1293, Unknown=0, NotChecked=0, Total=1406 [2021-05-06 11:55:55,171 INFO L87 Difference]: Start difference. First operand 55 states and 57 transitions. Second operand has 35 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 33 states have internal predecessors, (49), 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) [2021-05-06 11:55:58,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 11:55:58,133 INFO L93 Difference]: Finished difference Result 67 states and 72 transitions. [2021-05-06 11:55:58,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-05-06 11:55:58,133 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 33 states have internal predecessors, (49), 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 53 [2021-05-06 11:55:58,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 11:55:58,134 INFO L225 Difference]: With dead ends: 67 [2021-05-06 11:55:58,134 INFO L226 Difference]: Without dead ends: 59 [2021-05-06 11:55:58,135 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 4 SyntacticMatches, 14 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1082 ImplicationChecksByTransitivity, 4231.1ms TimeCoverageRelationStatistics Valid=268, Invalid=4154, Unknown=0, NotChecked=0, Total=4422 [2021-05-06 11:55:58,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2021-05-06 11:55:58,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 58. [2021-05-06 11:55:58,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 53 states have (on average 1.0566037735849056) internal successors, (56), 53 states have internal predecessors, (56), 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) [2021-05-06 11:55:58,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 60 transitions. [2021-05-06 11:55:58,141 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 60 transitions. Word has length 53 [2021-05-06 11:55:58,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 11:55:58,142 INFO L480 AbstractCegarLoop]: Abstraction has 58 states and 60 transitions. [2021-05-06 11:55:58,142 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 35 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 33 states have internal predecessors, (49), 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) [2021-05-06 11:55:58,142 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 60 transitions. [2021-05-06 11:55:58,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-05-06 11:55:58,142 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 11:55:58,142 INFO L523 BasicCegarLoop]: trace histogram [15, 15, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 11:55:58,142 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2021-05-06 11:55:58,142 INFO L428 AbstractCegarLoop]: === Iteration 17 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 11:55:58,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 11:55:58,143 INFO L82 PathProgramCache]: Analyzing trace with hash -2027576436, now seen corresponding path program 14 times [2021-05-06 11:55:58,143 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-06 11:55:58,143 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1274606726] [2021-05-06 11:55:58,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 11:55:58,150 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 92.7 percent of original size [2021-05-06 11:55:58,150 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:58,151 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:58,260 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-05-06 11:55:58,270 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-05-06 11:55:58,314 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 92.7 percent of original size 89 [2021-05-06 11:55:58,373 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 2 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:55:58,377 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 91.8 percent of original size [2021-05-06 11:55:58,377 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:58,378 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:58,420 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-05-06 11:55:58,432 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-05-06 11:55:58,491 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 91.8 percent of original size 78 [2021-05-06 11:55:58,532 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:55:58,533 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-05-06 11:55:58,535 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 91.3 percent of original size [2021-05-06 11:55:58,536 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:58,537 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:58,589 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-05-06 11:55:58,594 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-05-06 11:55:58,616 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 91.3 percent of original size 73 [2021-05-06 11:55:58,635 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:55:58,638 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 92.3 percent of original size [2021-05-06 11:55:58,653 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:58,654 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:55:58,754 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-05-06 11:55:58,757 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-05-06 11:55:58,769 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 92.3 percent of original size 84 [2021-05-06 11:55:58,790 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 2 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:55:58,791 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-05-06 11:55:58,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 11:55:58,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-06 11:55:58,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 11:55:58,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-06 11:55:58,995 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:56:01,746 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-06 11:56:01,746 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1274606726] [2021-05-06 11:56:01,746 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1274606726] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-06 11:56:01,746 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-06 11:56:01,746 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [37] imperfect sequences [] total 37 [2021-05-06 11:56:01,746 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011418131] [2021-05-06 11:56:01,746 INFO L460 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-05-06 11:56:01,747 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-06 11:56:01,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-05-06 11:56:01,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=1440, Unknown=0, NotChecked=0, Total=1560 [2021-05-06 11:56:01,747 INFO L87 Difference]: Start difference. First operand 58 states and 60 transitions. Second operand has 37 states, 36 states have (on average 1.4444444444444444) internal successors, (52), 35 states have internal predecessors, (52), 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) [2021-05-06 11:56:04,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 11:56:04,911 INFO L93 Difference]: Finished difference Result 70 states and 75 transitions. [2021-05-06 11:56:04,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-05-06 11:56:04,912 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 36 states have (on average 1.4444444444444444) internal successors, (52), 35 states have internal predecessors, (52), 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 56 [2021-05-06 11:56:04,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 11:56:04,912 INFO L225 Difference]: With dead ends: 70 [2021-05-06 11:56:04,912 INFO L226 Difference]: Without dead ends: 62 [2021-05-06 11:56:04,913 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 4 SyntacticMatches, 15 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1242 ImplicationChecksByTransitivity, 4670.7ms TimeCoverageRelationStatistics Valid=285, Invalid=4685, Unknown=0, NotChecked=0, Total=4970 [2021-05-06 11:56:04,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2021-05-06 11:56:04,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 61. [2021-05-06 11:56:04,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 56 states have (on average 1.0535714285714286) internal successors, (59), 56 states have internal predecessors, (59), 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) [2021-05-06 11:56:04,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 63 transitions. [2021-05-06 11:56:04,920 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 63 transitions. Word has length 56 [2021-05-06 11:56:04,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 11:56:04,920 INFO L480 AbstractCegarLoop]: Abstraction has 61 states and 63 transitions. [2021-05-06 11:56:04,920 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 37 states, 36 states have (on average 1.4444444444444444) internal successors, (52), 35 states have internal predecessors, (52), 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) [2021-05-06 11:56:04,920 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 63 transitions. [2021-05-06 11:56:04,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-05-06 11:56:04,921 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 11:56:04,921 INFO L523 BasicCegarLoop]: trace histogram [16, 16, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 11:56:04,921 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2021-05-06 11:56:04,921 INFO L428 AbstractCegarLoop]: === Iteration 18 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 11:56:04,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 11:56:04,921 INFO L82 PathProgramCache]: Analyzing trace with hash -1736782942, now seen corresponding path program 15 times [2021-05-06 11:56:04,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-06 11:56:04,921 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1230744035] [2021-05-06 11:56:04,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 11:56:04,928 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 92.7 percent of original size [2021-05-06 11:56:04,945 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:56:04,946 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:56:04,987 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-05-06 11:56:05,029 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-05-06 11:56:05,079 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 92.7 percent of original size 89 [2021-05-06 11:56:05,120 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 2 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:56:05,124 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 91.8 percent of original size [2021-05-06 11:56:05,125 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:56:05,126 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:56:05,171 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-05-06 11:56:05,183 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-05-06 11:56:05,217 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 91.8 percent of original size 78 [2021-05-06 11:56:05,252 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:56:05,253 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-05-06 11:56:05,257 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 91.3 percent of original size [2021-05-06 11:56:05,266 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:56:05,267 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:56:05,295 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-05-06 11:56:05,300 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-05-06 11:56:05,311 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 91.3 percent of original size 73 [2021-05-06 11:56:05,327 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:56:05,336 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 92.3 percent of original size [2021-05-06 11:56:05,337 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:56:05,339 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:56:05,356 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-05-06 11:56:05,359 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-05-06 11:56:05,380 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 92.3 percent of original size 84 [2021-05-06 11:56:05,398 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 2 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:56:05,399 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-05-06 11:56:05,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 11:56:05,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-06 11:56:05,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 11:56:05,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-06 11:56:05,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:56:05,895 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 84 [2021-05-06 11:56:05,939 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:56:05,983 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:56:06,096 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:56:06,187 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:56:06,295 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:56:06,527 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-05-06 11:56:06,532 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:56:06,727 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-05-06 11:56:06,730 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:56:06,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:56:07,014 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 95 [2021-05-06 11:56:07,019 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:56:07,274 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:56:07,369 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:56:07,544 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 95 [2021-05-06 11:56:07,549 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:56:07,672 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:56:07,815 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:56:08,772 WARN L205 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 95 [2021-05-06 11:56:08,782 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:56:08,991 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:56:09,154 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:56:09,393 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 95 [2021-05-06 11:56:09,397 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:56:09,576 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:56:09,759 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:56:10,032 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 95 [2021-05-06 11:56:10,036 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:56:10,231 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:56:10,412 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:56:10,683 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 95 [2021-05-06 11:56:10,687 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:56:10,889 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:56:11,118 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:56:11,477 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 95 [2021-05-06 11:56:11,505 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:56:11,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:56:12,030 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:56:12,372 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 95 [2021-05-06 11:56:12,376 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:56:12,606 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:56:12,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:56:13,221 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 95 [2021-05-06 11:56:13,225 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:56:13,477 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:56:13,735 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:56:14,116 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 95 [2021-05-06 11:56:14,120 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:56:15,313 WARN L205 SmtUtils]: Spent 939.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2021-05-06 11:56:15,316 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:56:15,612 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:56:15,894 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:56:16,227 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:56:16,541 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:56:16,974 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 95 [2021-05-06 11:56:16,978 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:56:17,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:56:17,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:56:18,063 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 95 [2021-05-06 11:56:18,067 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:56:18,450 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:56:18,881 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:56:19,260 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 95 [2021-05-06 11:56:19,264 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:56:19,617 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-06 11:56:19,617 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1230744035] [2021-05-06 11:56:19,617 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1230744035] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-06 11:56:19,617 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-06 11:56:19,618 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [39] imperfect sequences [] total 39 [2021-05-06 11:56:19,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774359631] [2021-05-06 11:56:19,618 INFO L460 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-05-06 11:56:19,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-06 11:56:19,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-05-06 11:56:19,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=1583, Unknown=0, NotChecked=0, Total=1722 [2021-05-06 11:56:19,619 INFO L87 Difference]: Start difference. First operand 61 states and 63 transitions. Second operand has 39 states, 38 states have (on average 1.4473684210526316) internal successors, (55), 37 states have internal predecessors, (55), 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) [2021-05-06 11:56:21,680 WARN L205 SmtUtils]: Spent 979.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 116 [2021-05-06 11:56:22,073 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2021-05-06 11:56:25,264 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2021-05-06 11:56:25,695 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2021-05-06 11:56:26,435 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2021-05-06 11:56:27,184 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2021-05-06 11:56:27,995 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2021-05-06 11:56:29,926 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2021-05-06 11:56:30,730 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2021-05-06 11:56:31,244 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2021-05-06 11:56:32,407 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2021-05-06 11:56:32,928 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2021-05-06 11:56:33,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 11:56:33,293 INFO L93 Difference]: Finished difference Result 73 states and 78 transitions. [2021-05-06 11:56:33,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-05-06 11:56:33,293 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 38 states have (on average 1.4473684210526316) internal successors, (55), 37 states have internal predecessors, (55), 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 59 [2021-05-06 11:56:33,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 11:56:33,294 INFO L225 Difference]: With dead ends: 73 [2021-05-06 11:56:33,294 INFO L226 Difference]: Without dead ends: 65 [2021-05-06 11:56:33,295 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 4 SyntacticMatches, 16 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1323 ImplicationChecksByTransitivity, 21775.3ms TimeCoverageRelationStatistics Valid=328, Invalid=5222, Unknown=0, NotChecked=0, Total=5550 [2021-05-06 11:56:33,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2021-05-06 11:56:33,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 64. [2021-05-06 11:56:33,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 59 states have (on average 1.0508474576271187) internal successors, (62), 59 states have internal predecessors, (62), 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) [2021-05-06 11:56:33,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 66 transitions. [2021-05-06 11:56:33,309 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 66 transitions. Word has length 59 [2021-05-06 11:56:33,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 11:56:33,310 INFO L480 AbstractCegarLoop]: Abstraction has 64 states and 66 transitions. [2021-05-06 11:56:33,310 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 39 states, 38 states have (on average 1.4473684210526316) internal successors, (55), 37 states have internal predecessors, (55), 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) [2021-05-06 11:56:33,310 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 66 transitions. [2021-05-06 11:56:33,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-05-06 11:56:33,310 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 11:56:33,310 INFO L523 BasicCegarLoop]: trace histogram [17, 17, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 11:56:33,310 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2021-05-06 11:56:33,310 INFO L428 AbstractCegarLoop]: === Iteration 19 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 11:56:33,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 11:56:33,311 INFO L82 PathProgramCache]: Analyzing trace with hash -1656839220, now seen corresponding path program 16 times [2021-05-06 11:56:33,311 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-06 11:56:33,311 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [14420934] [2021-05-06 11:56:33,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 11:56:33,327 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 92.7 percent of original size [2021-05-06 11:56:33,327 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:56:33,328 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:56:33,431 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-05-06 11:56:33,465 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-05-06 11:56:33,518 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 92.7 percent of original size 89 [2021-05-06 11:56:33,557 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 2 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:56:33,572 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 91.8 percent of original size [2021-05-06 11:56:33,583 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:56:33,585 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:56:33,615 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-05-06 11:56:33,647 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-05-06 11:56:33,747 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 91.8 percent of original size 78 [2021-05-06 11:56:33,773 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:56:33,774 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-05-06 11:56:33,776 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 91.3 percent of original size [2021-05-06 11:56:33,786 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:56:33,787 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:56:33,808 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-05-06 11:56:33,813 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-05-06 11:56:33,833 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 91.3 percent of original size 73 [2021-05-06 11:56:33,850 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:56:33,854 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 92.3 percent of original size [2021-05-06 11:56:33,867 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:56:33,869 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:56:35,689 WARN L205 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 3 DAG size of output: 1 [2021-05-06 11:56:37,705 WARN L205 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 14 [2021-05-06 11:56:39,937 WARN L205 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 14 DAG size of output: 1 [2021-05-06 11:56:39,950 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-05-06 11:56:39,953 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-05-06 11:56:39,965 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 92.3 percent of original size 84 [2021-05-06 11:56:39,984 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 2 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:56:39,985 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-05-06 11:56:39,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 11:56:40,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-06 11:56:40,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 11:56:40,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-06 11:56:40,290 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:56:43,593 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-06 11:56:43,593 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [14420934] [2021-05-06 11:56:43,594 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [14420934] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-06 11:56:43,594 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-06 11:56:43,594 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [41] imperfect sequences [] total 41 [2021-05-06 11:56:43,594 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020978527] [2021-05-06 11:56:43,594 INFO L460 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-05-06 11:56:43,594 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-06 11:56:43,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-05-06 11:56:43,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=1761, Unknown=0, NotChecked=0, Total=1892 [2021-05-06 11:56:43,595 INFO L87 Difference]: Start difference. First operand 64 states and 66 transitions. Second operand has 41 states, 40 states have (on average 1.45) internal successors, (58), 39 states have internal predecessors, (58), 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) [2021-05-06 11:56:47,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 11:56:47,937 INFO L93 Difference]: Finished difference Result 76 states and 81 transitions. [2021-05-06 11:56:47,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-05-06 11:56:47,938 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 40 states have (on average 1.45) internal successors, (58), 39 states have internal predecessors, (58), 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 62 [2021-05-06 11:56:47,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 11:56:47,938 INFO L225 Difference]: With dead ends: 76 [2021-05-06 11:56:47,938 INFO L226 Difference]: Without dead ends: 68 [2021-05-06 11:56:47,939 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 4 SyntacticMatches, 17 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1496 ImplicationChecksByTransitivity, 5669.6ms TimeCoverageRelationStatistics Valid=316, Invalid=5846, Unknown=0, NotChecked=0, Total=6162 [2021-05-06 11:56:47,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2021-05-06 11:56:47,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 67. [2021-05-06 11:56:47,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 62 states have (on average 1.0483870967741935) internal successors, (65), 62 states have internal predecessors, (65), 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) [2021-05-06 11:56:47,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 69 transitions. [2021-05-06 11:56:47,954 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 69 transitions. Word has length 62 [2021-05-06 11:56:47,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 11:56:47,954 INFO L480 AbstractCegarLoop]: Abstraction has 67 states and 69 transitions. [2021-05-06 11:56:47,954 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 41 states, 40 states have (on average 1.45) internal successors, (58), 39 states have internal predecessors, (58), 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) [2021-05-06 11:56:47,954 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 69 transitions. [2021-05-06 11:56:47,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-05-06 11:56:47,955 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 11:56:47,955 INFO L523 BasicCegarLoop]: trace histogram [18, 18, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 11:56:47,955 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2021-05-06 11:56:47,955 INFO L428 AbstractCegarLoop]: === Iteration 20 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 11:56:47,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 11:56:47,955 INFO L82 PathProgramCache]: Analyzing trace with hash 534700898, now seen corresponding path program 17 times [2021-05-06 11:56:47,955 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-06 11:56:47,955 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1096168655] [2021-05-06 11:56:47,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 11:56:47,963 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 92.7 percent of original size [2021-05-06 11:56:47,980 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:56:47,981 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:56:48,066 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-05-06 11:56:48,082 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-05-06 11:56:48,106 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 92.7 percent of original size 89 [2021-05-06 11:56:48,161 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 2 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:56:48,164 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 91.8 percent of original size [2021-05-06 11:56:48,164 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:56:48,165 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:56:48,197 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-05-06 11:56:48,207 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-05-06 11:56:48,246 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 91.8 percent of original size 78 [2021-05-06 11:56:48,273 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:56:48,274 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-05-06 11:56:48,276 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 91.3 percent of original size [2021-05-06 11:56:48,286 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:56:48,288 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:56:48,311 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-05-06 11:56:48,316 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-05-06 11:56:48,327 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 91.3 percent of original size 73 [2021-05-06 11:56:48,345 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:56:48,348 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 92.3 percent of original size [2021-05-06 11:56:48,363 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:56:48,364 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:56:48,387 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-05-06 11:56:48,390 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-05-06 11:56:48,402 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 92.3 percent of original size 84 [2021-05-06 11:56:48,422 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 2 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:56:48,423 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-05-06 11:56:48,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 11:56:48,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-06 11:56:48,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 11:56:48,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-06 11:56:48,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:56:52,302 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-06 11:56:52,302 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1096168655] [2021-05-06 11:56:52,303 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1096168655] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-06 11:56:52,303 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-06 11:56:52,303 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [43] imperfect sequences [] total 43 [2021-05-06 11:56:52,303 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322305563] [2021-05-06 11:56:52,303 INFO L460 AbstractCegarLoop]: Interpolant automaton has 43 states [2021-05-06 11:56:52,303 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-06 11:56:52,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2021-05-06 11:56:52,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=1933, Unknown=0, NotChecked=0, Total=2070 [2021-05-06 11:56:52,304 INFO L87 Difference]: Start difference. First operand 67 states and 69 transitions. Second operand has 43 states, 42 states have (on average 1.4523809523809523) internal successors, (61), 41 states have internal predecessors, (61), 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) [2021-05-06 11:56:56,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 11:56:56,632 INFO L93 Difference]: Finished difference Result 79 states and 84 transitions. [2021-05-06 11:56:56,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-05-06 11:56:56,633 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 42 states have (on average 1.4523809523809523) internal successors, (61), 41 states have internal predecessors, (61), 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 65 [2021-05-06 11:56:56,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 11:56:56,633 INFO L225 Difference]: With dead ends: 79 [2021-05-06 11:56:56,633 INFO L226 Difference]: Without dead ends: 71 [2021-05-06 11:56:56,634 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 4 SyntacticMatches, 18 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1648 ImplicationChecksByTransitivity, 6144.8ms TimeCoverageRelationStatistics Valid=332, Invalid=6474, Unknown=0, NotChecked=0, Total=6806 [2021-05-06 11:56:56,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2021-05-06 11:56:56,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 70. [2021-05-06 11:56:56,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 65 states have (on average 1.0461538461538462) internal successors, (68), 65 states have internal predecessors, (68), 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) [2021-05-06 11:56:56,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 72 transitions. [2021-05-06 11:56:56,655 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 72 transitions. Word has length 65 [2021-05-06 11:56:56,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 11:56:56,656 INFO L480 AbstractCegarLoop]: Abstraction has 70 states and 72 transitions. [2021-05-06 11:56:56,656 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 43 states, 42 states have (on average 1.4523809523809523) internal successors, (61), 41 states have internal predecessors, (61), 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) [2021-05-06 11:56:56,656 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 72 transitions. [2021-05-06 11:56:56,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-05-06 11:56:56,656 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 11:56:56,656 INFO L523 BasicCegarLoop]: trace histogram [19, 19, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 11:56:56,656 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2021-05-06 11:56:56,656 INFO L428 AbstractCegarLoop]: === Iteration 21 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 11:56:56,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 11:56:56,657 INFO L82 PathProgramCache]: Analyzing trace with hash 908489740, now seen corresponding path program 18 times [2021-05-06 11:56:56,657 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-06 11:56:56,657 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [30670964] [2021-05-06 11:56:56,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 11:56:56,665 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 92.7 percent of original size [2021-05-06 11:56:56,665 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:56:56,666 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:56:58,688 WARN L205 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 14 DAG size of output: 1 [2021-05-06 11:56:58,773 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-05-06 11:56:58,790 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-05-06 11:56:58,832 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 92.7 percent of original size 89 [2021-05-06 11:56:58,882 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 2 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:56:58,885 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 91.8 percent of original size [2021-05-06 11:56:58,886 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:56:58,887 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:56:58,932 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-05-06 11:56:58,943 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-05-06 11:56:58,974 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 91.8 percent of original size 78 [2021-05-06 11:56:58,998 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:56:58,999 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-05-06 11:56:59,002 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 91.3 percent of original size [2021-05-06 11:56:59,003 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:56:59,004 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:56:59,038 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-05-06 11:56:59,046 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-05-06 11:56:59,065 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 91.3 percent of original size 73 [2021-05-06 11:56:59,083 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:56:59,091 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 92.3 percent of original size [2021-05-06 11:56:59,105 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:56:59,106 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:57:01,119 WARN L205 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 14 [2021-05-06 11:57:01,179 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-05-06 11:57:01,182 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-05-06 11:57:01,192 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 92.3 percent of original size 84 [2021-05-06 11:57:01,209 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 2 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:57:01,210 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-05-06 11:57:01,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 11:57:01,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-06 11:57:01,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 11:57:01,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-06 11:57:01,403 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:57:05,513 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-06 11:57:05,513 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [30670964] [2021-05-06 11:57:05,513 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [30670964] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-06 11:57:05,513 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-06 11:57:05,513 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [45] imperfect sequences [] total 45 [2021-05-06 11:57:05,513 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624661764] [2021-05-06 11:57:05,513 INFO L460 AbstractCegarLoop]: Interpolant automaton has 45 states [2021-05-06 11:57:05,513 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-06 11:57:05,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2021-05-06 11:57:05,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=2112, Unknown=0, NotChecked=0, Total=2256 [2021-05-06 11:57:05,514 INFO L87 Difference]: Start difference. First operand 70 states and 72 transitions. Second operand has 45 states, 44 states have (on average 1.4545454545454546) internal successors, (64), 43 states have internal predecessors, (64), 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) [2021-05-06 11:57:10,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 11:57:10,360 INFO L93 Difference]: Finished difference Result 82 states and 87 transitions. [2021-05-06 11:57:10,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-05-06 11:57:10,361 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 44 states have (on average 1.4545454545454546) internal successors, (64), 43 states have internal predecessors, (64), 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 68 [2021-05-06 11:57:10,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 11:57:10,361 INFO L225 Difference]: With dead ends: 82 [2021-05-06 11:57:10,361 INFO L226 Difference]: Without dead ends: 74 [2021-05-06 11:57:10,362 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 4 SyntacticMatches, 19 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1844 ImplicationChecksByTransitivity, 6898.3ms TimeCoverageRelationStatistics Valid=349, Invalid=7133, Unknown=0, NotChecked=0, Total=7482 [2021-05-06 11:57:10,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2021-05-06 11:57:10,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 73. [2021-05-06 11:57:10,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 68 states have (on average 1.0441176470588236) internal successors, (71), 68 states have internal predecessors, (71), 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) [2021-05-06 11:57:10,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 75 transitions. [2021-05-06 11:57:10,378 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 75 transitions. Word has length 68 [2021-05-06 11:57:10,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 11:57:10,378 INFO L480 AbstractCegarLoop]: Abstraction has 73 states and 75 transitions. [2021-05-06 11:57:10,378 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 45 states, 44 states have (on average 1.4545454545454546) internal successors, (64), 43 states have internal predecessors, (64), 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) [2021-05-06 11:57:10,378 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 75 transitions. [2021-05-06 11:57:10,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-05-06 11:57:10,379 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 11:57:10,379 INFO L523 BasicCegarLoop]: trace histogram [20, 20, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 11:57:10,379 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2021-05-06 11:57:10,379 INFO L428 AbstractCegarLoop]: === Iteration 22 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 11:57:10,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 11:57:10,379 INFO L82 PathProgramCache]: Analyzing trace with hash -398316766, now seen corresponding path program 19 times [2021-05-06 11:57:10,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-06 11:57:10,379 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1309591976] [2021-05-06 11:57:10,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 11:57:10,388 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 92.7 percent of original size [2021-05-06 11:57:10,412 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:57:10,413 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:57:10,501 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-05-06 11:57:10,515 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-05-06 11:57:10,588 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 92.7 percent of original size 89 [2021-05-06 11:57:10,631 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 2 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:57:10,634 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 91.8 percent of original size [2021-05-06 11:57:10,645 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:57:10,646 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:57:10,713 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-05-06 11:57:10,727 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-05-06 11:57:10,769 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 91.8 percent of original size 78 [2021-05-06 11:57:10,818 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:57:10,819 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-05-06 11:57:10,821 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 91.3 percent of original size [2021-05-06 11:57:10,822 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:57:10,823 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:57:10,924 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 3 DAG size of output: 1 [2021-05-06 11:57:10,946 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-05-06 11:57:10,951 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-05-06 11:57:10,974 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 91.3 percent of original size 73 [2021-05-06 11:57:10,991 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:57:10,994 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 92.3 percent of original size [2021-05-06 11:57:10,995 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:57:10,996 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:57:15,013 WARN L205 SmtUtils]: Spent 4.02 s on a formula simplification. DAG size of input: 14 DAG size of output: 1 [2021-05-06 11:57:18,032 WARN L205 SmtUtils]: Spent 3.02 s on a formula simplification. DAG size of input: 3 DAG size of output: 1 [2021-05-06 11:57:20,041 WARN L205 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 14 [2021-05-06 11:57:20,056 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-05-06 11:57:20,073 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-05-06 11:57:20,098 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 92.3 percent of original size 84 [2021-05-06 11:57:20,119 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 2 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:57:20,120 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-05-06 11:57:20,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 11:57:20,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-06 11:57:20,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 11:57:20,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-06 11:57:20,342 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:57:24,794 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-06 11:57:24,794 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1309591976] [2021-05-06 11:57:24,795 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1309591976] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-06 11:57:24,795 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-06 11:57:24,795 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [47] imperfect sequences [] total 47 [2021-05-06 11:57:24,795 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012679244] [2021-05-06 11:57:24,795 INFO L460 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-05-06 11:57:24,795 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-06 11:57:24,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-05-06 11:57:24,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=2300, Unknown=0, NotChecked=0, Total=2450 [2021-05-06 11:57:24,796 INFO L87 Difference]: Start difference. First operand 73 states and 75 transitions. Second operand has 47 states, 46 states have (on average 1.4565217391304348) internal successors, (67), 45 states have internal predecessors, (67), 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) [2021-05-06 11:57:29,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 11:57:29,881 INFO L93 Difference]: Finished difference Result 85 states and 90 transitions. [2021-05-06 11:57:29,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-05-06 11:57:29,883 INFO L78 Accepts]: Start accepts. Automaton has has 47 states, 46 states have (on average 1.4565217391304348) internal successors, (67), 45 states have internal predecessors, (67), 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 71 [2021-05-06 11:57:29,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 11:57:29,884 INFO L225 Difference]: With dead ends: 85 [2021-05-06 11:57:29,884 INFO L226 Difference]: Without dead ends: 77 [2021-05-06 11:57:29,885 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 4 SyntacticMatches, 20 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2012 ImplicationChecksByTransitivity, 7293.1ms TimeCoverageRelationStatistics Valid=365, Invalid=7825, Unknown=0, NotChecked=0, Total=8190 [2021-05-06 11:57:29,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2021-05-06 11:57:29,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 76. [2021-05-06 11:57:29,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 71 states have (on average 1.0422535211267605) internal successors, (74), 71 states have internal predecessors, (74), 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) [2021-05-06 11:57:29,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 78 transitions. [2021-05-06 11:57:29,909 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 78 transitions. Word has length 71 [2021-05-06 11:57:29,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 11:57:29,909 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 78 transitions. [2021-05-06 11:57:29,909 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 47 states, 46 states have (on average 1.4565217391304348) internal successors, (67), 45 states have internal predecessors, (67), 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) [2021-05-06 11:57:29,909 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 78 transitions. [2021-05-06 11:57:29,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-05-06 11:57:29,910 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 11:57:29,910 INFO L523 BasicCegarLoop]: trace histogram [21, 21, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 11:57:29,910 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2021-05-06 11:57:29,910 INFO L428 AbstractCegarLoop]: === Iteration 23 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 11:57:29,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 11:57:29,910 INFO L82 PathProgramCache]: Analyzing trace with hash -1887366068, now seen corresponding path program 20 times [2021-05-06 11:57:29,910 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-06 11:57:29,910 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1843192772] [2021-05-06 11:57:29,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 11:57:29,935 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 92.7 percent of original size [2021-05-06 11:57:29,936 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:57:29,937 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:57:30,018 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-05-06 11:57:30,029 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-05-06 11:57:30,080 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 92.7 percent of original size 89 [2021-05-06 11:57:30,120 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 2 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:57:30,122 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 91.8 percent of original size [2021-05-06 11:57:30,123 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:57:30,124 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:57:30,155 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-05-06 11:57:30,166 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-05-06 11:57:30,193 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 91.8 percent of original size 78 [2021-05-06 11:57:30,234 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:57:30,235 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-05-06 11:57:30,236 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 91.3 percent of original size [2021-05-06 11:57:30,237 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:57:30,238 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:57:30,356 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-05-06 11:57:30,361 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-05-06 11:57:30,416 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 91.3 percent of original size 73 [2021-05-06 11:57:30,434 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:57:30,437 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 92.3 percent of original size [2021-05-06 11:57:30,438 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:57:30,439 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:57:30,473 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-05-06 11:57:30,476 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-05-06 11:57:30,500 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 92.3 percent of original size 84 [2021-05-06 11:57:30,520 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 2 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:57:30,521 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-05-06 11:57:30,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 11:57:30,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-06 11:57:30,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 11:57:30,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-06 11:57:30,734 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:57:35,370 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-06 11:57:35,370 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1843192772] [2021-05-06 11:57:35,370 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1843192772] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-06 11:57:35,370 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-06 11:57:35,370 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [49] imperfect sequences [] total 49 [2021-05-06 11:57:35,370 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992913670] [2021-05-06 11:57:35,370 INFO L460 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-05-06 11:57:35,370 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-06 11:57:35,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-05-06 11:57:35,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=2497, Unknown=0, NotChecked=0, Total=2652 [2021-05-06 11:57:35,371 INFO L87 Difference]: Start difference. First operand 76 states and 78 transitions. Second operand has 49 states, 48 states have (on average 1.4583333333333333) internal successors, (70), 47 states have internal predecessors, (70), 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) [2021-05-06 11:57:41,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 11:57:41,481 INFO L93 Difference]: Finished difference Result 88 states and 93 transitions. [2021-05-06 11:57:41,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-05-06 11:57:41,482 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 48 states have (on average 1.4583333333333333) internal successors, (70), 47 states have internal predecessors, (70), 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 74 [2021-05-06 11:57:41,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 11:57:41,483 INFO L225 Difference]: With dead ends: 88 [2021-05-06 11:57:41,483 INFO L226 Difference]: Without dead ends: 80 [2021-05-06 11:57:41,483 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 4 SyntacticMatches, 21 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2146 ImplicationChecksByTransitivity, 7661.4ms TimeCoverageRelationStatistics Valid=380, Invalid=8550, Unknown=0, NotChecked=0, Total=8930 [2021-05-06 11:57:41,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-05-06 11:57:41,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 79. [2021-05-06 11:57:41,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 74 states have (on average 1.0405405405405406) internal successors, (77), 74 states have internal predecessors, (77), 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) [2021-05-06 11:57:41,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 81 transitions. [2021-05-06 11:57:41,499 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 81 transitions. Word has length 74 [2021-05-06 11:57:41,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 11:57:41,499 INFO L480 AbstractCegarLoop]: Abstraction has 79 states and 81 transitions. [2021-05-06 11:57:41,499 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 49 states, 48 states have (on average 1.4583333333333333) internal successors, (70), 47 states have internal predecessors, (70), 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) [2021-05-06 11:57:41,499 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 81 transitions. [2021-05-06 11:57:41,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-05-06 11:57:41,500 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 11:57:41,500 INFO L523 BasicCegarLoop]: trace histogram [22, 22, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 11:57:41,500 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2021-05-06 11:57:41,500 INFO L428 AbstractCegarLoop]: === Iteration 24 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 11:57:41,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 11:57:41,500 INFO L82 PathProgramCache]: Analyzing trace with hash 562078434, now seen corresponding path program 21 times [2021-05-06 11:57:41,500 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-06 11:57:41,500 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1801710186] [2021-05-06 11:57:41,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 11:57:41,514 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 92.7 percent of original size [2021-05-06 11:57:41,532 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:57:41,533 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:57:41,613 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-05-06 11:57:41,625 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-05-06 11:57:41,809 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2021-05-06 11:57:41,834 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 92.7 percent of original size 89 [2021-05-06 11:57:41,877 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 2 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:57:41,879 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 91.8 percent of original size [2021-05-06 11:57:41,880 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:57:41,881 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:57:42,065 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 1 [2021-05-06 11:57:42,089 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-05-06 11:57:42,096 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-05-06 11:57:42,144 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 91.8 percent of original size 78 [2021-05-06 11:57:42,176 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:57:42,177 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-05-06 11:57:42,201 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 91.3 percent of original size [2021-05-06 11:57:42,201 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:57:42,202 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:57:42,252 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-05-06 11:57:42,257 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-05-06 11:57:42,281 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 91.3 percent of original size 73 [2021-05-06 11:57:42,301 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:57:42,306 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 92.3 percent of original size [2021-05-06 11:57:42,306 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:57:42,307 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:57:46,324 WARN L205 SmtUtils]: Spent 4.02 s on a formula simplification. DAG size of input: 3 DAG size of output: 1 [2021-05-06 11:57:50,336 WARN L205 SmtUtils]: Spent 4.01 s on a formula simplification. DAG size of input: 14 DAG size of output: 1 [2021-05-06 11:57:52,346 WARN L205 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 14 [2021-05-06 11:57:52,360 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-05-06 11:57:52,367 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-05-06 11:57:52,391 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 92.3 percent of original size 84 [2021-05-06 11:57:52,412 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 2 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:57:52,413 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-05-06 11:57:52,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 11:57:52,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-06 11:57:52,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 11:57:52,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-06 11:57:52,600 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:57:57,668 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-06 11:57:57,668 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1801710186] [2021-05-06 11:57:57,668 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1801710186] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-06 11:57:57,669 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-06 11:57:57,669 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [51] imperfect sequences [] total 51 [2021-05-06 11:57:57,669 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250216488] [2021-05-06 11:57:57,669 INFO L460 AbstractCegarLoop]: Interpolant automaton has 51 states [2021-05-06 11:57:57,669 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-06 11:57:57,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-05-06 11:57:57,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=162, Invalid=2700, Unknown=0, NotChecked=0, Total=2862 [2021-05-06 11:57:57,670 INFO L87 Difference]: Start difference. First operand 79 states and 81 transitions. Second operand has 51 states, 50 states have (on average 1.46) internal successors, (73), 49 states have internal predecessors, (73), 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) [2021-05-06 11:58:03,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 11:58:03,836 INFO L93 Difference]: Finished difference Result 91 states and 96 transitions. [2021-05-06 11:58:03,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-05-06 11:58:03,836 INFO L78 Accepts]: Start accepts. Automaton has has 51 states, 50 states have (on average 1.46) internal successors, (73), 49 states have internal predecessors, (73), 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 77 [2021-05-06 11:58:03,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 11:58:03,837 INFO L225 Difference]: With dead ends: 91 [2021-05-06 11:58:03,837 INFO L226 Difference]: Without dead ends: 83 [2021-05-06 11:58:03,837 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 4 SyntacticMatches, 22 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2369 ImplicationChecksByTransitivity, 8403.8ms TimeCoverageRelationStatistics Valid=397, Invalid=9305, Unknown=0, NotChecked=0, Total=9702 [2021-05-06 11:58:03,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2021-05-06 11:58:03,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 82. [2021-05-06 11:58:03,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 77 states have (on average 1.0389610389610389) internal successors, (80), 77 states have internal predecessors, (80), 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) [2021-05-06 11:58:03,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 84 transitions. [2021-05-06 11:58:03,863 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 84 transitions. Word has length 77 [2021-05-06 11:58:03,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 11:58:03,863 INFO L480 AbstractCegarLoop]: Abstraction has 82 states and 84 transitions. [2021-05-06 11:58:03,863 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 51 states, 50 states have (on average 1.46) internal successors, (73), 49 states have internal predecessors, (73), 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) [2021-05-06 11:58:03,863 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 84 transitions. [2021-05-06 11:58:03,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-05-06 11:58:03,863 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 11:58:03,863 INFO L523 BasicCegarLoop]: trace histogram [23, 23, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 11:58:03,863 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2021-05-06 11:58:03,864 INFO L428 AbstractCegarLoop]: === Iteration 25 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 11:58:03,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 11:58:03,864 INFO L82 PathProgramCache]: Analyzing trace with hash 468878476, now seen corresponding path program 22 times [2021-05-06 11:58:03,864 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-06 11:58:03,864 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [6109227] [2021-05-06 11:58:03,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 11:58:03,872 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 92.7 percent of original size [2021-05-06 11:58:03,873 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:58:03,874 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:58:03,913 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-05-06 11:58:03,925 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-05-06 11:58:03,965 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 92.7 percent of original size 89 [2021-05-06 11:58:04,007 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 2 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:58:04,012 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 91.8 percent of original size [2021-05-06 11:58:04,013 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:58:04,015 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:58:04,066 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-05-06 11:58:04,075 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-05-06 11:58:04,121 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 91.8 percent of original size 78 [2021-05-06 11:58:04,145 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:58:04,146 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-05-06 11:58:04,148 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 91.3 percent of original size [2021-05-06 11:58:04,158 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:58:04,169 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:58:04,207 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-05-06 11:58:04,212 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-05-06 11:58:04,221 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 91.3 percent of original size 73 [2021-05-06 11:58:04,235 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:58:04,238 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 92.3 percent of original size [2021-05-06 11:58:04,239 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:58:04,240 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:58:04,274 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-05-06 11:58:04,276 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-05-06 11:58:04,294 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 92.3 percent of original size 84 [2021-05-06 11:58:04,311 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 2 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:58:04,312 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-05-06 11:58:04,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 11:58:04,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-06 11:58:04,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 11:58:04,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-06 11:58:04,554 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:58:10,111 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-06 11:58:10,111 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [6109227] [2021-05-06 11:58:10,111 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [6109227] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-06 11:58:10,111 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-06 11:58:10,111 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [53] imperfect sequences [] total 53 [2021-05-06 11:58:10,111 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985797761] [2021-05-06 11:58:10,111 INFO L460 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-05-06 11:58:10,111 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-06 11:58:10,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-05-06 11:58:10,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=2912, Unknown=0, NotChecked=0, Total=3080 [2021-05-06 11:58:10,112 INFO L87 Difference]: Start difference. First operand 82 states and 84 transitions. Second operand has 53 states, 52 states have (on average 1.4615384615384615) internal successors, (76), 51 states have internal predecessors, (76), 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) [2021-05-06 11:58:17,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 11:58:17,027 INFO L93 Difference]: Finished difference Result 94 states and 99 transitions. [2021-05-06 11:58:17,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-05-06 11:58:17,028 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 52 states have (on average 1.4615384615384615) internal successors, (76), 51 states have internal predecessors, (76), 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 80 [2021-05-06 11:58:17,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 11:58:17,028 INFO L225 Difference]: With dead ends: 94 [2021-05-06 11:58:17,028 INFO L226 Difference]: Without dead ends: 86 [2021-05-06 11:58:17,029 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 4 SyntacticMatches, 23 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2558 ImplicationChecksByTransitivity, 9153.7ms TimeCoverageRelationStatistics Valid=413, Invalid=10093, Unknown=0, NotChecked=0, Total=10506 [2021-05-06 11:58:17,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2021-05-06 11:58:17,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 85. [2021-05-06 11:58:17,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 80 states have (on average 1.0375) internal successors, (83), 80 states have internal predecessors, (83), 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) [2021-05-06 11:58:17,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 87 transitions. [2021-05-06 11:58:17,045 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 87 transitions. Word has length 80 [2021-05-06 11:58:17,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 11:58:17,045 INFO L480 AbstractCegarLoop]: Abstraction has 85 states and 87 transitions. [2021-05-06 11:58:17,045 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 53 states, 52 states have (on average 1.4615384615384615) internal successors, (76), 51 states have internal predecessors, (76), 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) [2021-05-06 11:58:17,045 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 87 transitions. [2021-05-06 11:58:17,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-05-06 11:58:17,046 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 11:58:17,046 INFO L523 BasicCegarLoop]: trace histogram [24, 24, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 11:58:17,046 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2021-05-06 11:58:17,046 INFO L428 AbstractCegarLoop]: === Iteration 26 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 11:58:17,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 11:58:17,046 INFO L82 PathProgramCache]: Analyzing trace with hash -1502197086, now seen corresponding path program 23 times [2021-05-06 11:58:17,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-06 11:58:17,046 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [193060960] [2021-05-06 11:58:17,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 11:58:17,053 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 92.7 percent of original size [2021-05-06 11:58:17,054 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:58:17,055 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:58:17,105 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-05-06 11:58:17,125 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-05-06 11:58:17,172 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 92.7 percent of original size 89 [2021-05-06 11:58:17,217 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 2 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:58:17,219 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 91.8 percent of original size [2021-05-06 11:58:17,220 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:58:17,221 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:58:17,263 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-05-06 11:58:17,327 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-05-06 11:58:17,358 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 91.8 percent of original size 78 [2021-05-06 11:58:17,395 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:58:17,396 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-05-06 11:58:17,398 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 91.3 percent of original size [2021-05-06 11:58:17,398 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:58:17,399 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:58:17,464 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-05-06 11:58:17,470 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-05-06 11:58:17,489 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 91.3 percent of original size 73 [2021-05-06 11:58:17,507 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:58:17,510 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 92.3 percent of original size [2021-05-06 11:58:17,525 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:58:17,526 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:58:20,216 WARN L205 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 14 DAG size of output: 1 [2021-05-06 11:58:20,581 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 1 [2021-05-06 11:58:20,591 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-05-06 11:58:20,594 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-05-06 11:58:20,607 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 92.3 percent of original size 84 [2021-05-06 11:58:20,628 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 2 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:58:20,629 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-05-06 11:58:20,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 11:58:20,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-06 11:58:20,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 11:58:20,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-06 11:58:20,886 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:58:26,931 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-06 11:58:26,932 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [193060960] [2021-05-06 11:58:26,932 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [193060960] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-06 11:58:26,932 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-06 11:58:26,932 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [55] imperfect sequences [] total 55 [2021-05-06 11:58:26,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483046946] [2021-05-06 11:58:26,933 INFO L460 AbstractCegarLoop]: Interpolant automaton has 55 states [2021-05-06 11:58:26,933 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-06 11:58:26,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-05-06 11:58:26,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=3133, Unknown=0, NotChecked=0, Total=3306 [2021-05-06 11:58:26,934 INFO L87 Difference]: Start difference. First operand 85 states and 87 transitions. Second operand has 55 states, 54 states have (on average 1.462962962962963) internal successors, (79), 53 states have internal predecessors, (79), 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) [2021-05-06 11:58:34,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 11:58:34,199 INFO L93 Difference]: Finished difference Result 97 states and 102 transitions. [2021-05-06 11:58:34,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-05-06 11:58:34,199 INFO L78 Accepts]: Start accepts. Automaton has has 55 states, 54 states have (on average 1.462962962962963) internal successors, (79), 53 states have internal predecessors, (79), 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 83 [2021-05-06 11:58:34,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 11:58:34,200 INFO L225 Difference]: With dead ends: 97 [2021-05-06 11:58:34,201 INFO L226 Difference]: Without dead ends: 89 [2021-05-06 11:58:34,214 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 4 SyntacticMatches, 24 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2707 ImplicationChecksByTransitivity, 9954.5ms TimeCoverageRelationStatistics Valid=428, Invalid=10914, Unknown=0, NotChecked=0, Total=11342 [2021-05-06 11:58:34,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2021-05-06 11:58:34,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 88. [2021-05-06 11:58:34,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 83 states have (on average 1.036144578313253) internal successors, (86), 83 states have internal predecessors, (86), 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) [2021-05-06 11:58:34,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 90 transitions. [2021-05-06 11:58:34,237 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 90 transitions. Word has length 83 [2021-05-06 11:58:34,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 11:58:34,237 INFO L480 AbstractCegarLoop]: Abstraction has 88 states and 90 transitions. [2021-05-06 11:58:34,237 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 55 states, 54 states have (on average 1.462962962962963) internal successors, (79), 53 states have internal predecessors, (79), 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) [2021-05-06 11:58:34,237 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 90 transitions. [2021-05-06 11:58:34,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-05-06 11:58:34,237 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 11:58:34,237 INFO L523 BasicCegarLoop]: trace histogram [25, 25, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 11:58:34,238 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable117 [2021-05-06 11:58:34,238 INFO L428 AbstractCegarLoop]: === Iteration 27 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 11:58:34,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 11:58:34,238 INFO L82 PathProgramCache]: Analyzing trace with hash -1021393716, now seen corresponding path program 24 times [2021-05-06 11:58:34,238 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-06 11:58:34,238 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1692232521] [2021-05-06 11:58:34,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 11:58:34,245 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 92.7 percent of original size [2021-05-06 11:58:34,245 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:58:34,246 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:58:34,361 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2021-05-06 11:58:34,614 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 1 [2021-05-06 11:58:34,658 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-05-06 11:58:34,673 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-05-06 11:58:34,723 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 92.7 percent of original size 89 [2021-05-06 11:58:34,767 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 2 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:58:34,770 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 91.8 percent of original size [2021-05-06 11:58:34,782 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:58:34,783 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:58:36,795 WARN L205 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 3 DAG size of output: 1 [2021-05-06 11:58:36,831 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-05-06 11:58:36,847 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-05-06 11:58:36,864 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 91.8 percent of original size 78 [2021-05-06 11:58:36,902 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:58:36,903 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-05-06 11:58:36,905 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 91.3 percent of original size [2021-05-06 11:58:36,906 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:58:36,907 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:58:36,932 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-05-06 11:58:36,937 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-05-06 11:58:36,958 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 91.3 percent of original size 73 [2021-05-06 11:58:36,977 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:58:36,980 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 92.3 percent of original size [2021-05-06 11:58:36,981 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:58:36,982 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:58:37,028 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-05-06 11:58:37,030 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-05-06 11:58:37,054 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 92.3 percent of original size 84 [2021-05-06 11:58:37,073 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 2 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:58:37,074 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-05-06 11:58:37,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 11:58:37,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-06 11:58:37,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 11:58:37,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-06 11:58:37,371 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:58:37,475 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:58:37,515 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:58:45,617 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-06 11:58:45,617 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1692232521] [2021-05-06 11:58:45,617 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1692232521] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-06 11:58:45,617 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-06 11:58:45,617 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [57] imperfect sequences [] total 57 [2021-05-06 11:58:45,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457603914] [2021-05-06 11:58:45,618 INFO L460 AbstractCegarLoop]: Interpolant automaton has 57 states [2021-05-06 11:58:45,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-06 11:58:45,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2021-05-06 11:58:45,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=202, Invalid=3338, Unknown=0, NotChecked=0, Total=3540 [2021-05-06 11:58:45,618 INFO L87 Difference]: Start difference. First operand 88 states and 90 transitions. Second operand has 57 states, 56 states have (on average 1.4642857142857142) internal successors, (82), 55 states have internal predecessors, (82), 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) [2021-05-06 11:58:55,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 11:58:55,214 INFO L93 Difference]: Finished difference Result 103 states and 108 transitions. [2021-05-06 11:58:55,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2021-05-06 11:58:55,215 INFO L78 Accepts]: Start accepts. Automaton has has 57 states, 56 states have (on average 1.4642857142857142) internal successors, (82), 55 states have internal predecessors, (82), 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 86 [2021-05-06 11:58:55,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 11:58:55,215 INFO L225 Difference]: With dead ends: 103 [2021-05-06 11:58:55,215 INFO L226 Difference]: Without dead ends: 92 [2021-05-06 11:58:55,216 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 10 SyntacticMatches, 26 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3082 ImplicationChecksByTransitivity, 13232.6ms TimeCoverageRelationStatistics Valid=584, Invalid=12298, Unknown=0, NotChecked=0, Total=12882 [2021-05-06 11:58:55,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2021-05-06 11:58:55,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 91. [2021-05-06 11:58:55,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 86 states have (on average 1.0348837209302326) internal successors, (89), 86 states have internal predecessors, (89), 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) [2021-05-06 11:58:55,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 93 transitions. [2021-05-06 11:58:55,234 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 93 transitions. Word has length 86 [2021-05-06 11:58:55,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 11:58:55,234 INFO L480 AbstractCegarLoop]: Abstraction has 91 states and 93 transitions. [2021-05-06 11:58:55,234 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 57 states, 56 states have (on average 1.4642857142857142) internal successors, (82), 55 states have internal predecessors, (82), 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) [2021-05-06 11:58:55,234 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 93 transitions. [2021-05-06 11:58:55,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-05-06 11:58:55,234 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 11:58:55,235 INFO L523 BasicCegarLoop]: trace histogram [26, 26, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 11:58:55,235 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122 [2021-05-06 11:58:55,235 INFO L428 AbstractCegarLoop]: === Iteration 28 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 11:58:55,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 11:58:55,235 INFO L82 PathProgramCache]: Analyzing trace with hash -1124130206, now seen corresponding path program 25 times [2021-05-06 11:58:55,235 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-06 11:58:55,235 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1440687162] [2021-05-06 11:58:55,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 11:58:55,241 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 92.7 percent of original size [2021-05-06 11:58:55,257 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:58:55,258 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:58:57,279 WARN L205 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 3 DAG size of output: 1 [2021-05-06 11:58:57,314 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-05-06 11:58:57,345 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-05-06 11:58:57,361 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 92.7 percent of original size 89 [2021-05-06 11:58:57,393 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 2 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:58:57,396 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 91.8 percent of original size [2021-05-06 11:58:57,396 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:58:57,397 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:58:57,513 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 3 DAG size of output: 1 [2021-05-06 11:58:57,537 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-05-06 11:58:57,553 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-05-06 11:58:57,576 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 91.8 percent of original size 78 [2021-05-06 11:58:57,636 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:58:57,637 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-05-06 11:58:57,639 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 91.3 percent of original size [2021-05-06 11:58:57,639 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:58:57,640 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:58:57,684 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-05-06 11:58:57,692 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-05-06 11:58:57,713 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 91.3 percent of original size 73 [2021-05-06 11:58:57,752 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:58:57,755 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 92.3 percent of original size [2021-05-06 11:58:57,770 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:58:57,771 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:58:57,808 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-05-06 11:58:57,820 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-05-06 11:58:57,839 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 92.3 percent of original size 84 [2021-05-06 11:58:57,881 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 2 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:58:57,882 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-05-06 11:58:57,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 11:58:58,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-06 11:58:58,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 11:58:58,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-06 11:58:58,116 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:59:00,306 WARN L205 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 97 [2021-05-06 11:59:00,309 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:59:00,430 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:59:05,023 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 32 [2021-05-06 11:59:09,963 WARN L205 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 39 [2021-05-06 11:59:15,419 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-06 11:59:15,419 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1440687162] [2021-05-06 11:59:15,419 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1440687162] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-06 11:59:15,420 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-06 11:59:15,420 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [78] imperfect sequences [] total 78 [2021-05-06 11:59:15,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604600071] [2021-05-06 11:59:15,420 INFO L460 AbstractCegarLoop]: Interpolant automaton has 78 states [2021-05-06 11:59:15,420 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-06 11:59:15,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2021-05-06 11:59:15,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=6284, Unknown=3, NotChecked=0, Total=6480 [2021-05-06 11:59:15,421 INFO L87 Difference]: Start difference. First operand 91 states and 93 transitions. Second operand has 78 states, 77 states have (on average 1.103896103896104) internal successors, (85), 76 states have internal predecessors, (85), 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) [2021-05-06 11:59:16,647 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 134 [2021-05-06 11:59:18,004 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2021-05-06 11:59:18,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 11:59:18,256 INFO L93 Difference]: Finished difference Result 175 states and 179 transitions. [2021-05-06 11:59:18,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-05-06 11:59:18,257 INFO L78 Accepts]: Start accepts. Automaton has has 78 states, 77 states have (on average 1.103896103896104) internal successors, (85), 76 states have internal predecessors, (85), 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 89 [2021-05-06 11:59:18,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 11:59:18,257 INFO L225 Difference]: With dead ends: 175 [2021-05-06 11:59:18,257 INFO L226 Difference]: Without dead ends: 95 [2021-05-06 11:59:18,258 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 4 SyntacticMatches, 8 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1564 ImplicationChecksByTransitivity, 19021.7ms TimeCoverageRelationStatistics Valid=248, Invalid=7939, Unknown=3, NotChecked=0, Total=8190 [2021-05-06 11:59:18,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2021-05-06 11:59:18,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 94. [2021-05-06 11:59:18,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 89 states have (on average 1.0337078651685394) internal successors, (92), 89 states have internal predecessors, (92), 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) [2021-05-06 11:59:18,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 96 transitions. [2021-05-06 11:59:18,277 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 96 transitions. Word has length 89 [2021-05-06 11:59:18,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 11:59:18,277 INFO L480 AbstractCegarLoop]: Abstraction has 94 states and 96 transitions. [2021-05-06 11:59:18,277 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 78 states, 77 states have (on average 1.103896103896104) internal successors, (85), 76 states have internal predecessors, (85), 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) [2021-05-06 11:59:18,277 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 96 transitions. [2021-05-06 11:59:18,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-05-06 11:59:18,278 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 11:59:18,278 INFO L523 BasicCegarLoop]: trace histogram [27, 27, 25, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 11:59:18,278 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127 [2021-05-06 11:59:18,278 INFO L428 AbstractCegarLoop]: === Iteration 29 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 11:59:18,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 11:59:18,278 INFO L82 PathProgramCache]: Analyzing trace with hash 2131536202, now seen corresponding path program 26 times [2021-05-06 11:59:18,278 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-06 11:59:18,278 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [641098636] [2021-05-06 11:59:18,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 11:59:18,285 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 92.7 percent of original size [2021-05-06 11:59:18,285 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:59:18,286 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:59:18,321 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-05-06 11:59:18,334 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-05-06 11:59:18,374 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 92.7 percent of original size 89 [2021-05-06 11:59:18,446 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 2 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:59:18,449 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 91.8 percent of original size [2021-05-06 11:59:18,450 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:59:18,451 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:59:18,498 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-05-06 11:59:18,508 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-05-06 11:59:18,540 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 91.8 percent of original size 78 [2021-05-06 11:59:18,585 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:59:18,586 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-05-06 11:59:18,588 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 91.3 percent of original size [2021-05-06 11:59:18,589 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:59:18,590 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:59:20,047 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 3 DAG size of output: 1 [2021-05-06 11:59:20,076 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-05-06 11:59:20,084 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-05-06 11:59:20,105 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 91.3 percent of original size 73 [2021-05-06 11:59:20,130 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:59:20,135 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 92.3 percent of original size [2021-05-06 11:59:20,135 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:59:20,136 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 11:59:20,205 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-05-06 11:59:20,215 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-05-06 11:59:20,247 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 92.3 percent of original size 84 [2021-05-06 11:59:20,303 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 2 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 11:59:20,304 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-05-06 11:59:20,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 11:59:20,521 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 40 [2021-05-06 11:59:20,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-06 11:59:20,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 11:59:20,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-06 11:59:20,682 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:59:20,828 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:59:20,953 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:59:21,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:59:21,095 WARN L860 $PredicateComparison]: unable to prove that (and (exists ((|v_main_#t~post8_264| Int) (|v_main_#t~post8_265| Int) (v_main_~z~0_458 Int) (|v_main_#t~post7_131| Int) (v_main_~x~0_621 Int)) (and (let ((.cse5 (+ v_main_~x~0_621 1))) (let ((.cse0 (= c_main_~z~0 v_main_~z~0_458)) (.cse7 (mod c_main_~y~0 4294967296)) (.cse6 (mod v_main_~x~0_621 4294967296)) (.cse1 (= |c_main_#t~post7| |v_main_#t~post7_131|)) (.cse2 (= |v_main_#t~post8_265| |v_main_#t~post8_264|)) (.cse3 (= c_main_~x~0 .cse5))) (or (and .cse0 .cse1 .cse2 .cse3) (let ((.cse4 (* c_main_~x~0 (- 1)))) (and (<= (div (+ .cse4 1) (- 4294967296)) (+ (div (+ v_main_~x~0_621 (- 4999999)) 4294967296) 1)) (< .cse5 c_main_~x~0) (= (+ c_main_~x~0 v_main_~z~0_458) (+ c_main_~z~0 v_main_~x~0_621 1)) (< .cse6 .cse7) (<= 5000000 .cse6) (<= (div (+ .cse4 .cse7 1) (- 4294967296)) (+ (div (+ v_main_~x~0_621 (- 4294967295)) 4294967296) 1)))) (and .cse0 (or (<= .cse7 .cse6) (< .cse6 5000000)) .cse1 .cse2 .cse3)))) (let ((.cse8 (div v_main_~x~0_621 4294967296)) (.cse9 (div c_main_~y~0 4294967296))) (let ((.cse10 (* 4294967296 .cse9)) (.cse17 (<= .cse9 .cse8))) (or (and (< .cse8 .cse9) (<= .cse10 v_main_~x~0_621)) (let ((.cse12 (div (* v_main_~x~0_621 (- 1)) (- 4294967296)))) (let ((.cse11 (+ .cse12 .cse9))) (and (or (< .cse8 .cse11) (<= (+ v_main_~x~0_621 10000000) (+ (* 4294967296 .cse12) c_main_~y~0))) (or (<= .cse11 .cse8) (let ((.cse15 (* 4294967296 .cse8)) (.cse16 (div v_main_~z~0_458 4294967296))) (let ((.cse14 (* 4294967296 .cse16)) (.cse13 (+ .cse15 v_main_~z~0_458))) (and (or (< .cse13 (+ .cse14 v_main_~x~0_621 1)) (<= (+ .cse14 .cse10 v_main_~x~0_621 4304967296) (+ .cse15 c_main_~y~0 v_main_~z~0_458))) (or (<= (+ (* 18446744073709551616 .cse8) (* 4294967296 v_main_~z~0_458) (* 18446744069414584320 .cse9) 18382319564279551616) (+ (* 18446744073709551616 .cse16) v_main_~x~0_621)) (<= (+ .cse15 v_main_~z~0_458 .cse10 4284967296) .cse14) (<= (+ .cse14 v_main_~x~0_621) .cse13)))))) .cse17))) (and .cse17 (<= (+ v_main_~x~0_621 5000000) c_main_~y~0))))))) (< (mod (+ c_main_~x~0 4294967295) 4294967296) 5000000) (<= 10000000 c_main_~y~0) (<= 5000000 c_main_~z~0) (<= (div (+ (* c_main_~x~0 (- 1)) 5000001) (- 4294967296)) 0) (<= (+ (* 4294967295 c_main_~y~0) (* 4294967296 c_main_~z~0)) 64424509430000000)) is different from true [2021-05-06 11:59:21,097 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:59:21,113 WARN L860 $PredicateComparison]: unable to prove that (and (exists ((|v_main_#t~post8_264| Int) (|v_main_#t~post8_265| Int) (v_main_~z~0_458 Int) (|v_main_#t~post7_131| Int) (v_main_~x~0_621 Int)) (and (let ((.cse5 (+ v_main_~x~0_621 1))) (let ((.cse0 (= c_main_~z~0 v_main_~z~0_458)) (.cse7 (mod c_main_~y~0 4294967296)) (.cse6 (mod v_main_~x~0_621 4294967296)) (.cse1 (= |c_main_#t~post7| |v_main_#t~post7_131|)) (.cse2 (= |v_main_#t~post8_265| |v_main_#t~post8_264|)) (.cse3 (= c_main_~x~0 .cse5))) (or (and .cse0 .cse1 .cse2 .cse3) (let ((.cse4 (* c_main_~x~0 (- 1)))) (and (<= (div (+ .cse4 1) (- 4294967296)) (+ (div (+ v_main_~x~0_621 (- 4999999)) 4294967296) 1)) (< .cse5 c_main_~x~0) (= (+ c_main_~x~0 v_main_~z~0_458) (+ c_main_~z~0 v_main_~x~0_621 1)) (< .cse6 .cse7) (<= 5000000 .cse6) (<= (div (+ .cse4 .cse7 1) (- 4294967296)) (+ (div (+ v_main_~x~0_621 (- 4294967295)) 4294967296) 1)))) (and .cse0 (or (<= .cse7 .cse6) (< .cse6 5000000)) .cse1 .cse2 .cse3)))) (let ((.cse8 (div v_main_~x~0_621 4294967296)) (.cse9 (div c_main_~y~0 4294967296))) (let ((.cse10 (* 4294967296 .cse9)) (.cse17 (<= .cse9 .cse8))) (or (and (< .cse8 .cse9) (<= .cse10 v_main_~x~0_621)) (let ((.cse12 (div (* v_main_~x~0_621 (- 1)) (- 4294967296)))) (let ((.cse11 (+ .cse12 .cse9))) (and (or (< .cse8 .cse11) (<= (+ v_main_~x~0_621 10000000) (+ (* 4294967296 .cse12) c_main_~y~0))) (or (<= .cse11 .cse8) (let ((.cse15 (* 4294967296 .cse8)) (.cse16 (div v_main_~z~0_458 4294967296))) (let ((.cse14 (* 4294967296 .cse16)) (.cse13 (+ .cse15 v_main_~z~0_458))) (and (or (< .cse13 (+ .cse14 v_main_~x~0_621 1)) (<= (+ .cse14 .cse10 v_main_~x~0_621 4304967296) (+ .cse15 c_main_~y~0 v_main_~z~0_458))) (or (<= (+ (* 18446744073709551616 .cse8) (* 4294967296 v_main_~z~0_458) (* 18446744069414584320 .cse9) 18382319564279551616) (+ (* 18446744073709551616 .cse16) v_main_~x~0_621)) (<= (+ .cse15 v_main_~z~0_458 .cse10 4284967296) .cse14) (<= (+ .cse14 v_main_~x~0_621) .cse13)))))) .cse17))) (and .cse17 (<= (+ v_main_~x~0_621 5000000) c_main_~y~0))))))) (< (mod c_main_~x~0 4294967296) (mod c_main_~y~0 4294967296)) (< (mod (+ c_main_~x~0 4294967295) 4294967296) 5000000) (<= 10000000 c_main_~y~0) (<= 5000000 c_main_~z~0) (<= (div (+ (* c_main_~x~0 (- 1)) 5000001) (- 4294967296)) 0) (<= (+ (* 4294967295 c_main_~y~0) (* 4294967296 c_main_~z~0)) 64424509430000000)) is different from true [2021-05-06 11:59:21,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:59:21,130 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse18 (mod c_main_~x~0 4294967296))) (and (exists ((|v_main_#t~post8_264| Int) (|v_main_#t~post8_265| Int) (v_main_~z~0_458 Int) (|v_main_#t~post7_131| Int) (v_main_~x~0_621 Int)) (and (let ((.cse5 (+ v_main_~x~0_621 1))) (let ((.cse0 (= c_main_~z~0 v_main_~z~0_458)) (.cse7 (mod c_main_~y~0 4294967296)) (.cse6 (mod v_main_~x~0_621 4294967296)) (.cse1 (= |c_main_#t~post7| |v_main_#t~post7_131|)) (.cse2 (= |v_main_#t~post8_265| |v_main_#t~post8_264|)) (.cse3 (= c_main_~x~0 .cse5))) (or (and .cse0 .cse1 .cse2 .cse3) (let ((.cse4 (* c_main_~x~0 (- 1)))) (and (<= (div (+ .cse4 1) (- 4294967296)) (+ (div (+ v_main_~x~0_621 (- 4999999)) 4294967296) 1)) (< .cse5 c_main_~x~0) (= (+ c_main_~x~0 v_main_~z~0_458) (+ c_main_~z~0 v_main_~x~0_621 1)) (< .cse6 .cse7) (<= 5000000 .cse6) (<= (div (+ .cse4 .cse7 1) (- 4294967296)) (+ (div (+ v_main_~x~0_621 (- 4294967295)) 4294967296) 1)))) (and .cse0 (or (<= .cse7 .cse6) (< .cse6 5000000)) .cse1 .cse2 .cse3)))) (let ((.cse8 (div v_main_~x~0_621 4294967296)) (.cse9 (div c_main_~y~0 4294967296))) (let ((.cse10 (* 4294967296 .cse9)) (.cse17 (<= .cse9 .cse8))) (or (and (< .cse8 .cse9) (<= .cse10 v_main_~x~0_621)) (let ((.cse12 (div (* v_main_~x~0_621 (- 1)) (- 4294967296)))) (let ((.cse11 (+ .cse12 .cse9))) (and (or (< .cse8 .cse11) (<= (+ v_main_~x~0_621 10000000) (+ (* 4294967296 .cse12) c_main_~y~0))) (or (<= .cse11 .cse8) (let ((.cse15 (* 4294967296 .cse8)) (.cse16 (div v_main_~z~0_458 4294967296))) (let ((.cse14 (* 4294967296 .cse16)) (.cse13 (+ .cse15 v_main_~z~0_458))) (and (or (< .cse13 (+ .cse14 v_main_~x~0_621 1)) (<= (+ .cse14 .cse10 v_main_~x~0_621 4304967296) (+ .cse15 c_main_~y~0 v_main_~z~0_458))) (or (<= (+ (* 18446744073709551616 .cse8) (* 4294967296 v_main_~z~0_458) (* 18446744069414584320 .cse9) 18382319564279551616) (+ (* 18446744073709551616 .cse16) v_main_~x~0_621)) (<= (+ .cse15 v_main_~z~0_458 .cse10 4284967296) .cse14) (<= (+ .cse14 v_main_~x~0_621) .cse13)))))) .cse17))) (and .cse17 (<= (+ v_main_~x~0_621 5000000) c_main_~y~0))))))) (< .cse18 (mod c_main_~y~0 4294967296)) (< (mod (+ c_main_~x~0 4294967295) 4294967296) 5000000) (<= 10000000 c_main_~y~0) (< .cse18 5000000) (<= 5000000 c_main_~z~0) (<= (div (+ (* c_main_~x~0 (- 1)) 5000001) (- 4294967296)) 0) (<= (+ (* 4294967295 c_main_~y~0) (* 4294967296 c_main_~z~0)) 64424509430000000))) is different from true [2021-05-06 11:59:21,133 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:59:21,373 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 125 [2021-05-06 11:59:21,377 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:59:21,654 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 121 [2021-05-06 11:59:21,658 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:59:21,843 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:59:22,058 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:59:22,206 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:59:22,481 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2021-05-06 11:59:22,485 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:59:22,866 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 127 [2021-05-06 11:59:22,870 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:59:23,325 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 126 [2021-05-06 11:59:23,329 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:59:23,763 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2021-05-06 11:59:23,767 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:59:24,301 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-05-06 11:59:24,305 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:59:24,887 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2021-05-06 11:59:24,892 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:59:26,370 WARN L205 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 128 [2021-05-06 11:59:26,375 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:59:27,166 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2021-05-06 11:59:27,170 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:59:27,805 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:59:28,961 WARN L205 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 129 [2021-05-06 11:59:28,966 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:59:28,974 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse0 (mod (+ c_main_~x~0 4294967293) 4294967296))) (and (< (mod (+ c_main_~x~0 4294967290) 4294967296) 5000000) (<= 5000000 (mod (+ c_main_~x~0 4294967291) 4294967296)) (<= 5000000 .cse0) (<= 10000000 c_main_~y~0) (<= (+ (* 4294967295 c_main_~y~0) (* 4294967296 c_main_~z~0)) 64424530904836480) (exists ((|v_main_#t~post7_132| Int) (|v_main_#t~post8_264| Int) (|v_main_#t~post8_265| Int) (v_main_~z~0_458 Int) (|v_main_#t~post7_131| Int) (v_main_~x~0_621 Int)) (and (let ((.cse2 (+ v_main_~x~0_621 7))) (let ((.cse4 (mod c_main_~y~0 4294967296)) (.cse3 (mod v_main_~x~0_621 4294967296)) (.cse5 (= |v_main_#t~post7_132| |v_main_#t~post7_131|)) (.cse6 (= c_main_~x~0 .cse2)) (.cse7 (= |v_main_#t~post8_265| |v_main_#t~post8_264|)) (.cse8 (= (+ v_main_~z~0_458 5) c_main_~z~0))) (or (let ((.cse1 (* c_main_~x~0 (- 1)))) (and (<= (div (+ .cse1 7) (- 4294967296)) (+ (div (+ v_main_~x~0_621 (- 4999999)) 4294967296) 1)) (= (+ c_main_~x~0 v_main_~z~0_458) (+ c_main_~z~0 v_main_~x~0_621 2)) (< .cse2 c_main_~x~0) (< .cse3 .cse4) (<= 5000000 .cse3) (<= (div (+ .cse4 .cse1 7) (- 4294967296)) (+ (div (+ v_main_~x~0_621 (- 4294967295)) 4294967296) 1)))) (and (or (<= .cse4 .cse3) (< .cse3 5000000)) .cse5 .cse6 .cse7 .cse8) (and .cse5 .cse6 .cse7 .cse8)))) (let ((.cse9 (div v_main_~x~0_621 4294967296)) (.cse10 (div c_main_~y~0 4294967296))) (let ((.cse11 (* 4294967296 .cse10)) (.cse18 (<= .cse10 .cse9))) (or (and (< .cse9 .cse10) (<= .cse11 v_main_~x~0_621)) (let ((.cse13 (div (* v_main_~x~0_621 (- 1)) (- 4294967296)))) (let ((.cse12 (+ .cse13 .cse10))) (and (or (< .cse9 .cse12) (<= (+ v_main_~x~0_621 10000000) (+ (* 4294967296 .cse13) c_main_~y~0))) (or (<= .cse12 .cse9) (let ((.cse16 (* 4294967296 .cse9)) (.cse17 (div v_main_~z~0_458 4294967296))) (let ((.cse15 (* 4294967296 .cse17)) (.cse14 (+ .cse16 v_main_~z~0_458))) (and (or (< .cse14 (+ .cse15 v_main_~x~0_621 1)) (<= (+ .cse15 .cse11 v_main_~x~0_621 4304967296) (+ .cse16 c_main_~y~0 v_main_~z~0_458))) (or (<= (+ (* 18446744073709551616 .cse9) (* 4294967296 v_main_~z~0_458) (* 18446744069414584320 .cse10) 18382319564279551616) (+ (* 18446744073709551616 .cse17) v_main_~x~0_621)) (<= (+ .cse16 v_main_~z~0_458 .cse11 4284967296) .cse15) (<= (+ .cse15 v_main_~x~0_621) .cse14)))))) .cse18))) (and .cse18 (<= (+ v_main_~x~0_621 5000000) c_main_~y~0))))))) (<= 5000005 c_main_~z~0) (< .cse0 (mod c_main_~y~0 4294967296)))) is different from true [2021-05-06 11:59:28,977 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:59:30,065 WARN L205 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 130 [2021-05-06 11:59:30,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:59:30,078 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse18 (mod (+ c_main_~x~0 4294967293) 4294967296))) (and (<= 5000006 c_main_~z~0) (exists ((|v_main_#t~post7_132| Int) (|v_main_#t~post8_264| Int) (|v_main_#t~post8_265| Int) (v_main_~z~0_458 Int) (|v_main_#t~post7_131| Int) (v_main_~x~0_621 Int)) (and (let ((.cse0 (div v_main_~x~0_621 4294967296)) (.cse1 (div c_main_~y~0 4294967296))) (let ((.cse2 (* 4294967296 .cse1)) (.cse9 (<= .cse1 .cse0))) (or (and (< .cse0 .cse1) (<= .cse2 v_main_~x~0_621)) (let ((.cse4 (div (* v_main_~x~0_621 (- 1)) (- 4294967296)))) (let ((.cse3 (+ .cse4 .cse1))) (and (or (< .cse0 .cse3) (<= (+ v_main_~x~0_621 10000000) (+ (* 4294967296 .cse4) c_main_~y~0))) (or (<= .cse3 .cse0) (let ((.cse7 (* 4294967296 .cse0)) (.cse8 (div v_main_~z~0_458 4294967296))) (let ((.cse6 (* 4294967296 .cse8)) (.cse5 (+ .cse7 v_main_~z~0_458))) (and (or (< .cse5 (+ .cse6 v_main_~x~0_621 1)) (<= (+ .cse6 .cse2 v_main_~x~0_621 4304967296) (+ .cse7 c_main_~y~0 v_main_~z~0_458))) (or (<= (+ (* 18446744073709551616 .cse0) (* 4294967296 v_main_~z~0_458) (* 18446744069414584320 .cse1) 18382319564279551616) (+ (* 18446744073709551616 .cse8) v_main_~x~0_621)) (<= (+ .cse7 v_main_~z~0_458 .cse2 4284967296) .cse6) (<= (+ .cse6 v_main_~x~0_621) .cse5)))))) .cse9))) (and .cse9 (<= (+ v_main_~x~0_621 5000000) c_main_~y~0))))) (let ((.cse17 (+ v_main_~x~0_621 7))) (let ((.cse11 (mod v_main_~x~0_621 4294967296)) (.cse10 (mod c_main_~y~0 4294967296)) (.cse12 (= |v_main_#t~post7_132| |v_main_#t~post7_131|)) (.cse13 (= (+ v_main_~z~0_458 6) c_main_~z~0)) (.cse14 (= c_main_~x~0 .cse17)) (.cse15 (= |v_main_#t~post8_265| |v_main_#t~post8_264|))) (or (and (or (<= .cse10 .cse11) (< .cse11 5000000)) .cse12 .cse13 .cse14 .cse15) (let ((.cse16 (* c_main_~x~0 (- 1)))) (and (<= (div (+ .cse16 7) (- 4294967296)) (+ (div (+ v_main_~x~0_621 (- 4999999)) 4294967296) 1)) (< .cse17 c_main_~x~0) (= (+ c_main_~x~0 v_main_~z~0_458) (+ c_main_~z~0 v_main_~x~0_621 1)) (< .cse11 .cse10) (<= 5000000 .cse11) (<= (div (+ .cse10 .cse16 7) (- 4294967296)) (+ (div (+ v_main_~x~0_621 (- 4294967295)) 4294967296) 1)))) (and .cse12 .cse13 .cse14 .cse15)))))) (< (mod (+ c_main_~x~0 4294967290) 4294967296) 5000000) (<= 5000000 (mod (+ c_main_~x~0 4294967291) 4294967296)) (<= (+ (* 4294967295 c_main_~y~0) (* 4294967296 c_main_~z~0)) 64424535199803776) (<= 5000000 .cse18) (<= 10000000 c_main_~y~0) (<= 5000000 (mod c_main_~x~0 4294967296)) (< .cse18 (mod c_main_~y~0 4294967296)))) is different from true [2021-05-06 11:59:30,082 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:59:31,254 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2021-05-06 11:59:31,258 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:59:32,181 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:59:34,208 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse18 (mod (+ c_main_~x~0 4294967292) 4294967296))) (and (exists ((|v_main_#t~post7_132| Int) (|v_main_#t~post8_264| Int) (|v_main_#t~post8_265| Int) (v_main_~z~0_458 Int) (|v_main_#t~post7_131| Int) (v_main_~x~0_621 Int)) (and (let ((.cse2 (+ v_main_~x~0_621 8))) (let ((.cse1 (mod c_main_~y~0 4294967296)) (.cse3 (mod v_main_~x~0_621 4294967296)) (.cse4 (= |v_main_#t~post7_132| |v_main_#t~post7_131|)) (.cse5 (= c_main_~z~0 (+ v_main_~z~0_458 7))) (.cse6 (= |v_main_#t~post8_265| |v_main_#t~post8_264|)) (.cse7 (= .cse2 c_main_~x~0))) (or (let ((.cse0 (* c_main_~x~0 (- 1)))) (and (<= (div (+ .cse0 8) (- 4294967296)) (+ (div (+ v_main_~x~0_621 (- 4999999)) 4294967296) 1)) (<= (div (+ .cse1 .cse0 8) (- 4294967296)) (+ (div (+ v_main_~x~0_621 (- 4294967295)) 4294967296) 1)) (< .cse2 c_main_~x~0) (= (+ c_main_~x~0 v_main_~z~0_458) (+ c_main_~z~0 v_main_~x~0_621 1)) (< .cse3 .cse1) (<= 5000000 .cse3))) (and (or (<= .cse1 .cse3) (< .cse3 5000000)) .cse4 .cse5 .cse6 .cse7) (and .cse4 .cse5 .cse6 .cse7)))) (let ((.cse8 (div v_main_~x~0_621 4294967296)) (.cse9 (div c_main_~y~0 4294967296))) (let ((.cse10 (* 4294967296 .cse9)) (.cse17 (<= .cse9 .cse8))) (or (and (< .cse8 .cse9) (<= .cse10 v_main_~x~0_621)) (let ((.cse12 (div (* v_main_~x~0_621 (- 1)) (- 4294967296)))) (let ((.cse11 (+ .cse12 .cse9))) (and (or (< .cse8 .cse11) (<= (+ v_main_~x~0_621 10000000) (+ (* 4294967296 .cse12) c_main_~y~0))) (or (<= .cse11 .cse8) (let ((.cse15 (* 4294967296 .cse8)) (.cse16 (div v_main_~z~0_458 4294967296))) (let ((.cse14 (* 4294967296 .cse16)) (.cse13 (+ .cse15 v_main_~z~0_458))) (and (or (< .cse13 (+ .cse14 v_main_~x~0_621 1)) (<= (+ .cse14 .cse10 v_main_~x~0_621 4304967296) (+ .cse15 c_main_~y~0 v_main_~z~0_458))) (or (<= (+ (* 18446744073709551616 .cse8) (* 4294967296 v_main_~z~0_458) (* 18446744069414584320 .cse9) 18382319564279551616) (+ (* 18446744073709551616 .cse16) v_main_~x~0_621)) (<= (+ .cse15 v_main_~z~0_458 .cse10 4284967296) .cse14) (<= (+ .cse14 v_main_~x~0_621) .cse13)))))) .cse17))) (and .cse17 (<= (+ v_main_~x~0_621 5000000) c_main_~y~0))))))) (<= 5000000 (mod (+ c_main_~x~0 4294967295) 4294967296)) (<= 5000000 (mod (+ c_main_~x~0 4294967290) 4294967296)) (< (mod (+ c_main_~x~0 4294967289) 4294967296) 5000000) (<= 10000000 c_main_~y~0) (< .cse18 (mod c_main_~y~0 4294967296)) (<= 5000000 (mod c_main_~x~0 4294967296)) (<= (+ (* 4294967295 c_main_~y~0) (* 4294967296 c_main_~z~0)) 64424539494771072) (<= 5000000 .cse18) (<= 5000007 c_main_~z~0))) is different from false [2021-05-06 11:59:34,215 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:59:36,560 WARN L205 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 137 DAG size of output: 129 [2021-05-06 11:59:36,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:59:37,427 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:59:38,871 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 124 [2021-05-06 11:59:38,875 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:59:39,474 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2021-05-06 11:59:39,478 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:59:40,292 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2021-05-06 11:59:40,296 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:59:41,354 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2021-05-06 11:59:41,358 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:59:42,219 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-05-06 11:59:42,222 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:59:45,643 WARN L205 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 129 [2021-05-06 11:59:45,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:59:47,466 WARN L205 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 126 [2021-05-06 11:59:47,471 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:59:48,363 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2021-05-06 11:59:48,367 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:59:49,762 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2021-05-06 11:59:49,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:59:51,751 WARN L205 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 129 [2021-05-06 11:59:51,762 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:59:53,485 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 125 [2021-05-06 11:59:53,489 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:59:54,633 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2021-05-06 11:59:54,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:59:56,027 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2021-05-06 11:59:56,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:59:57,626 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-05-06 11:59:57,629 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 11:59:59,775 WARN L205 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 130 [2021-05-06 11:59:59,780 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 12:00:02,198 WARN L205 SmtUtils]: Spent 973.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 129 [2021-05-06 12:00:02,203 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 12:00:04,164 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2021-05-06 12:00:04,168 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 12:00:10,107 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 134 DAG size of output: 127 [2021-05-06 12:00:10,111 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 12:00:11,967 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 124 [2021-05-06 12:00:11,971 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 12:00:13,197 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 12:00:14,833 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2021-05-06 12:00:14,838 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 12:00:16,882 WARN L205 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 126 [2021-05-06 12:00:16,887 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 12:00:18,611 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2021-05-06 12:00:18,615 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 12:00:20,714 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 12:00:23,086 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-05-06 12:00:23,091 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 12:00:25,685 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2021-05-06 12:00:25,689 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 12:00:28,767 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2021-05-06 12:00:28,772 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 12:00:34,784 WARN L205 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 134 DAG size of output: 126 [2021-05-06 12:00:34,788 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 12:00:36,706 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2021-05-06 12:00:36,710 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 12:00:40,308 WARN L205 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 123 [2021-05-06 12:00:40,313 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 12:00:41,906 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2021-05-06 12:00:41,925 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 12:00:43,882 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 12:00:45,962 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2021-05-06 12:00:45,976 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 12:00:48,196 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2021-05-06 12:00:48,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 12:00:50,626 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2021-05-06 12:00:50,630 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 12:00:55,676 WARN L205 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 129 [2021-05-06 12:00:55,681 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 12:00:59,271 WARN L205 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 128 [2021-05-06 12:00:59,276 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 12:01:03,742 WARN L205 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 130 [2021-05-06 12:01:03,748 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 12:01:06,752 WARN L205 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 130 [2021-05-06 12:01:06,757 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 12:01:09,825 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2021-05-06 12:01:09,830 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 12:01:13,403 WARN L205 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 132 [2021-05-06 12:01:13,407 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 12:01:13,438 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse0 (mod c_main_~y~0 4294967296))) (and (<= 5000000 (mod (+ c_main_~x~0 4294967295) 4294967296)) (< (mod c_main_~x~0 4294967296) .cse0) (<= (+ (* 4294967295 c_main_~y~0) (* 4294967296 c_main_~z~0)) 64424599624313216) (<= 10000000 c_main_~y~0) (<= 5000021 c_main_~z~0) (< (mod (+ c_main_~x~0 4294967293) 4294967296) .cse0) (< (mod (+ c_main_~x~0 4294967274) 4294967296) 5000000) (exists ((|v_main_#t~post7_132| Int) (|v_main_#t~post8_264| Int) (|v_main_#t~post8_265| Int) (v_main_~z~0_458 Int) (|v_main_#t~post7_131| Int) (v_main_~x~0_621 Int)) (and (let ((.cse8 (+ v_main_~x~0_621 23))) (let ((.cse1 (= |v_main_#t~post7_132| |v_main_#t~post7_131|)) (.cse2 (= c_main_~z~0 (+ v_main_~z~0_458 21))) (.cse3 (= |v_main_#t~post8_265| |v_main_#t~post8_264|)) (.cse4 (= c_main_~x~0 .cse8)) (.cse5 (mod c_main_~y~0 4294967296)) (.cse6 (mod v_main_~x~0_621 4294967296))) (or (and .cse1 .cse2 .cse3 .cse4) (and (or (<= .cse5 .cse6) (< .cse6 5000000)) .cse1 .cse2 .cse3 .cse4) (let ((.cse7 (* c_main_~x~0 (- 1)))) (and (= (+ c_main_~x~0 v_main_~z~0_458) (+ c_main_~z~0 v_main_~x~0_621 2)) (<= (div (+ .cse7 .cse5 23) (- 4294967296)) (+ (div (+ v_main_~x~0_621 (- 4294967295)) 4294967296) 1)) (< .cse8 c_main_~x~0) (< .cse6 .cse5) (<= 5000000 .cse6) (<= (div (+ .cse7 23) (- 4294967296)) (+ (div (+ v_main_~x~0_621 (- 4999999)) 4294967296) 1))))))) (let ((.cse9 (div v_main_~x~0_621 4294967296)) (.cse10 (div c_main_~y~0 4294967296))) (let ((.cse11 (* 4294967296 .cse10)) (.cse18 (<= .cse10 .cse9))) (or (and (< .cse9 .cse10) (<= .cse11 v_main_~x~0_621)) (let ((.cse13 (div (* v_main_~x~0_621 (- 1)) (- 4294967296)))) (let ((.cse12 (+ .cse13 .cse10))) (and (or (< .cse9 .cse12) (<= (+ v_main_~x~0_621 10000000) (+ (* 4294967296 .cse13) c_main_~y~0))) (or (<= .cse12 .cse9) (let ((.cse16 (* 4294967296 .cse9)) (.cse17 (div v_main_~z~0_458 4294967296))) (let ((.cse15 (* 4294967296 .cse17)) (.cse14 (+ .cse16 v_main_~z~0_458))) (and (or (< .cse14 (+ .cse15 v_main_~x~0_621 1)) (<= (+ .cse15 .cse11 v_main_~x~0_621 4304967296) (+ .cse16 c_main_~y~0 v_main_~z~0_458))) (or (<= (+ (* 18446744073709551616 .cse9) (* 4294967296 v_main_~z~0_458) (* 18446744069414584320 .cse10) 18382319564279551616) (+ (* 18446744073709551616 .cse17) v_main_~x~0_621)) (<= (+ .cse16 v_main_~z~0_458 .cse11 4284967296) .cse15) (<= (+ .cse15 v_main_~x~0_621) .cse14)))))) .cse18))) (and .cse18 (<= (+ v_main_~x~0_621 5000000) c_main_~y~0))))))) (<= 5000000 (mod (+ c_main_~x~0 4294967292) 4294967296)))) is different from true [2021-05-06 12:01:13,442 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 12:01:13,450 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse18 (mod c_main_~x~0 4294967296)) (.cse19 (mod c_main_~y~0 4294967296))) (and (<= 5000000 (mod (+ c_main_~x~0 4294967295) 4294967296)) (<= 5000022 c_main_~z~0) (exists ((|v_main_#t~post7_132| Int) (|v_main_#t~post8_264| Int) (|v_main_#t~post8_265| Int) (v_main_~z~0_458 Int) (|v_main_#t~post7_131| Int) (v_main_~x~0_621 Int)) (and (let ((.cse2 (+ v_main_~x~0_621 23))) (let ((.cse1 (mod c_main_~y~0 4294967296)) (.cse3 (mod v_main_~x~0_621 4294967296)) (.cse4 (= |v_main_#t~post7_132| |v_main_#t~post7_131|)) (.cse5 (= c_main_~z~0 (+ v_main_~z~0_458 22))) (.cse6 (= |v_main_#t~post8_265| |v_main_#t~post8_264|)) (.cse7 (= c_main_~x~0 .cse2))) (or (let ((.cse0 (* c_main_~x~0 (- 1)))) (and (<= (div (+ .cse0 .cse1 23) (- 4294967296)) (+ (div (+ v_main_~x~0_621 (- 4294967295)) 4294967296) 1)) (= (+ c_main_~x~0 v_main_~z~0_458) (+ c_main_~z~0 v_main_~x~0_621 1)) (< .cse2 c_main_~x~0) (< .cse3 .cse1) (<= 5000000 .cse3) (<= (div (+ .cse0 23) (- 4294967296)) (+ (div (+ v_main_~x~0_621 (- 4999999)) 4294967296) 1)))) (and (or (<= .cse1 .cse3) (< .cse3 5000000)) .cse4 .cse5 .cse6 .cse7) (and .cse4 .cse5 .cse6 .cse7)))) (let ((.cse8 (div v_main_~x~0_621 4294967296)) (.cse9 (div c_main_~y~0 4294967296))) (let ((.cse10 (* 4294967296 .cse9)) (.cse17 (<= .cse9 .cse8))) (or (and (< .cse8 .cse9) (<= .cse10 v_main_~x~0_621)) (let ((.cse12 (div (* v_main_~x~0_621 (- 1)) (- 4294967296)))) (let ((.cse11 (+ .cse12 .cse9))) (and (or (< .cse8 .cse11) (<= (+ v_main_~x~0_621 10000000) (+ (* 4294967296 .cse12) c_main_~y~0))) (or (<= .cse11 .cse8) (let ((.cse15 (* 4294967296 .cse8)) (.cse16 (div v_main_~z~0_458 4294967296))) (let ((.cse14 (* 4294967296 .cse16)) (.cse13 (+ .cse15 v_main_~z~0_458))) (and (or (< .cse13 (+ .cse14 v_main_~x~0_621 1)) (<= (+ .cse14 .cse10 v_main_~x~0_621 4304967296) (+ .cse15 c_main_~y~0 v_main_~z~0_458))) (or (<= (+ (* 18446744073709551616 .cse8) (* 4294967296 v_main_~z~0_458) (* 18446744069414584320 .cse9) 18382319564279551616) (+ (* 18446744073709551616 .cse16) v_main_~x~0_621)) (<= (+ .cse15 v_main_~z~0_458 .cse10 4284967296) .cse14) (<= (+ .cse14 v_main_~x~0_621) .cse13)))))) .cse17))) (and .cse17 (<= (+ v_main_~x~0_621 5000000) c_main_~y~0))))))) (< .cse18 .cse19) (<= 10000000 c_main_~y~0) (<= 5000000 .cse18) (< (mod (+ c_main_~x~0 4294967293) 4294967296) .cse19) (< (mod (+ c_main_~x~0 4294967274) 4294967296) 5000000) (<= 5000000 (mod (+ c_main_~x~0 4294967292) 4294967296)) (<= (+ (* 4294967295 c_main_~y~0) (* 4294967296 c_main_~z~0)) 64424603919280512))) is different from true [2021-05-06 12:01:13,455 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 12:01:18,215 WARN L205 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 129 [2021-05-06 12:01:18,219 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 12:01:21,320 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 12:01:24,840 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 126 [2021-05-06 12:01:24,845 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 12:01:27,637 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2021-05-06 12:01:27,641 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 12:01:30,818 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2021-05-06 12:01:30,823 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 12:01:34,626 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 127 [2021-05-06 12:01:34,630 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 12:01:37,234 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-05-06 12:01:37,238 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 12:01:37,251 WARN L860 $PredicateComparison]: unable to prove that (and (<= 5000000 (mod (+ c_main_~x~0 4294967289) 4294967296)) (exists ((|v_main_#t~post7_132| Int) (|v_main_#t~post8_264| Int) (|v_main_#t~post8_265| Int) (v_main_~z~0_458 Int) (|v_main_#t~post7_131| Int) (v_main_~x~0_621 Int)) (and (let ((.cse3 (+ v_main_~x~0_621 26))) (let ((.cse1 (mod c_main_~y~0 4294967296)) (.cse2 (mod v_main_~x~0_621 4294967296)) (.cse4 (= |v_main_#t~post7_132| |v_main_#t~post7_131|)) (.cse5 (= c_main_~x~0 .cse3)) (.cse6 (= c_main_~z~0 (+ v_main_~z~0_458 24))) (.cse7 (= |v_main_#t~post8_265| |v_main_#t~post8_264|))) (or (let ((.cse0 (* c_main_~x~0 (- 1)))) (and (= (+ c_main_~x~0 v_main_~z~0_458) (+ c_main_~z~0 v_main_~x~0_621 2)) (<= (div (+ .cse0 26) (- 4294967296)) (+ (div (+ v_main_~x~0_621 (- 4999999)) 4294967296) 1)) (<= (div (+ .cse1 .cse0 26) (- 4294967296)) (+ (div (+ v_main_~x~0_621 (- 4294967295)) 4294967296) 1)) (< .cse2 .cse1) (<= 5000000 .cse2) (< .cse3 c_main_~x~0))) (and (or (<= .cse1 .cse2) (< .cse2 5000000)) .cse4 .cse5 .cse6 .cse7) (and .cse4 .cse5 .cse6 .cse7)))) (let ((.cse8 (div v_main_~x~0_621 4294967296)) (.cse9 (div c_main_~y~0 4294967296))) (let ((.cse10 (* 4294967296 .cse9)) (.cse17 (<= .cse9 .cse8))) (or (and (< .cse8 .cse9) (<= .cse10 v_main_~x~0_621)) (let ((.cse12 (div (* v_main_~x~0_621 (- 1)) (- 4294967296)))) (let ((.cse11 (+ .cse12 .cse9))) (and (or (< .cse8 .cse11) (<= (+ v_main_~x~0_621 10000000) (+ (* 4294967296 .cse12) c_main_~y~0))) (or (<= .cse11 .cse8) (let ((.cse15 (* 4294967296 .cse8)) (.cse16 (div v_main_~z~0_458 4294967296))) (let ((.cse14 (* 4294967296 .cse16)) (.cse13 (+ .cse15 v_main_~z~0_458))) (and (or (< .cse13 (+ .cse14 v_main_~x~0_621 1)) (<= (+ .cse14 .cse10 v_main_~x~0_621 4304967296) (+ .cse15 c_main_~y~0 v_main_~z~0_458))) (or (<= (+ (* 18446744073709551616 .cse8) (* 4294967296 v_main_~z~0_458) (* 18446744069414584320 .cse9) 18382319564279551616) (+ (* 18446744073709551616 .cse16) v_main_~x~0_621)) (<= (+ .cse15 v_main_~z~0_458 .cse10 4284967296) .cse14) (<= (+ .cse14 v_main_~x~0_621) .cse13)))))) .cse17))) (and .cse17 (<= (+ v_main_~x~0_621 5000000) c_main_~y~0))))))) (< (mod c_main_~x~0 4294967296) (mod c_main_~y~0 4294967296)) (< (mod (+ c_main_~x~0 4294967271) 4294967296) 5000000) (<= 5000000 (mod (+ c_main_~x~0 4294967294) 4294967296)) (<= 10000000 c_main_~y~0) (<= 5000024 c_main_~z~0) (<= (+ (* 4294967295 c_main_~y~0) (* 4294967296 c_main_~z~0)) 64424612509215104)) is different from true [2021-05-06 12:01:37,255 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 12:01:37,279 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse18 (mod c_main_~x~0 4294967296))) (and (exists ((|v_main_#t~post7_132| Int) (|v_main_#t~post8_264| Int) (|v_main_#t~post8_265| Int) (v_main_~z~0_458 Int) (|v_main_#t~post7_131| Int) (v_main_~x~0_621 Int)) (and (let ((.cse3 (+ v_main_~x~0_621 26))) (let ((.cse4 (= (+ v_main_~z~0_458 25) c_main_~z~0)) (.cse1 (mod c_main_~y~0 4294967296)) (.cse2 (mod v_main_~x~0_621 4294967296)) (.cse5 (= |v_main_#t~post7_132| |v_main_#t~post7_131|)) (.cse6 (= c_main_~x~0 .cse3)) (.cse7 (= |v_main_#t~post8_265| |v_main_#t~post8_264|))) (or (let ((.cse0 (* c_main_~x~0 (- 1)))) (and (<= (div (+ .cse0 26) (- 4294967296)) (+ (div (+ v_main_~x~0_621 (- 4999999)) 4294967296) 1)) (<= (div (+ .cse1 .cse0 26) (- 4294967296)) (+ (div (+ v_main_~x~0_621 (- 4294967295)) 4294967296) 1)) (= (+ c_main_~x~0 v_main_~z~0_458) (+ c_main_~z~0 v_main_~x~0_621 1)) (< .cse2 .cse1) (<= 5000000 .cse2) (< .cse3 c_main_~x~0))) (and .cse4 .cse5 .cse6 .cse7) (and .cse4 (or (<= .cse1 .cse2) (< .cse2 5000000)) .cse5 .cse6 .cse7)))) (let ((.cse8 (div v_main_~x~0_621 4294967296)) (.cse9 (div c_main_~y~0 4294967296))) (let ((.cse10 (* 4294967296 .cse9)) (.cse17 (<= .cse9 .cse8))) (or (and (< .cse8 .cse9) (<= .cse10 v_main_~x~0_621)) (let ((.cse12 (div (* v_main_~x~0_621 (- 1)) (- 4294967296)))) (let ((.cse11 (+ .cse12 .cse9))) (and (or (< .cse8 .cse11) (<= (+ v_main_~x~0_621 10000000) (+ (* 4294967296 .cse12) c_main_~y~0))) (or (<= .cse11 .cse8) (let ((.cse15 (* 4294967296 .cse8)) (.cse16 (div v_main_~z~0_458 4294967296))) (let ((.cse14 (* 4294967296 .cse16)) (.cse13 (+ .cse15 v_main_~z~0_458))) (and (or (< .cse13 (+ .cse14 v_main_~x~0_621 1)) (<= (+ .cse14 .cse10 v_main_~x~0_621 4304967296) (+ .cse15 c_main_~y~0 v_main_~z~0_458))) (or (<= (+ (* 18446744073709551616 .cse8) (* 4294967296 v_main_~z~0_458) (* 18446744069414584320 .cse9) 18382319564279551616) (+ (* 18446744073709551616 .cse16) v_main_~x~0_621)) (<= (+ .cse15 v_main_~z~0_458 .cse10 4284967296) .cse14) (<= (+ .cse14 v_main_~x~0_621) .cse13)))))) .cse17))) (and .cse17 (<= (+ v_main_~x~0_621 5000000) c_main_~y~0))))))) (<= 5000000 (mod (+ c_main_~x~0 4294967289) 4294967296)) (< .cse18 (mod c_main_~y~0 4294967296)) (<= 5000025 c_main_~z~0) (< (mod (+ c_main_~x~0 4294967271) 4294967296) 5000000) (<= 5000000 (mod (+ c_main_~x~0 4294967294) 4294967296)) (<= 10000000 c_main_~y~0) (<= 5000000 .cse18) (<= (+ (* 4294967295 c_main_~y~0) (* 4294967296 c_main_~z~0)) 64424616804182400))) is different from true [2021-05-06 12:01:37,283 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 12:01:40,605 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2021-05-06 12:01:40,607 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-06 12:01:40,607 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [641098636] [2021-05-06 12:01:40,607 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [641098636] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-06 12:01:40,607 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-06 12:01:40,607 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [82] imperfect sequences [] total 82 [2021-05-06 12:01:40,607 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467623760] [2021-05-06 12:01:40,607 INFO L460 AbstractCegarLoop]: Interpolant automaton has 82 states [2021-05-06 12:01:40,607 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-06 12:01:40,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2021-05-06 12:01:40,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=259, Invalid=2781, Unknown=2550, NotChecked=1550, Total=7140 [2021-05-06 12:01:40,608 INFO L87 Difference]: Start difference. First operand 94 states and 96 transitions. Second operand has 82 states, 81 states have (on average 1.0864197530864197) internal successors, (88), 80 states have internal predecessors, (88), 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) [2021-05-06 12:01:41,869 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2021-05-06 12:01:42,027 WARN L860 $PredicateComparison]: unable to prove that (and (= |c_#t~string5.offset| |c_old(#t~string5.offset)|) (exists ((|v_main_#t~post8_264| Int) (|v_main_#t~post8_265| Int) (v_main_~z~0_458 Int) (|v_main_#t~post7_131| Int) (v_main_~x~0_621 Int)) (and (let ((.cse5 (+ v_main_~x~0_621 1))) (let ((.cse0 (= c_main_~z~0 v_main_~z~0_458)) (.cse7 (mod c_main_~y~0 4294967296)) (.cse6 (mod v_main_~x~0_621 4294967296)) (.cse1 (= |c_main_#t~post7| |v_main_#t~post7_131|)) (.cse2 (= |v_main_#t~post8_265| |v_main_#t~post8_264|)) (.cse3 (= c_main_~x~0 .cse5))) (or (and .cse0 .cse1 .cse2 .cse3) (let ((.cse4 (* c_main_~x~0 (- 1)))) (and (<= (div (+ .cse4 1) (- 4294967296)) (+ (div (+ v_main_~x~0_621 (- 4999999)) 4294967296) 1)) (< .cse5 c_main_~x~0) (= (+ c_main_~x~0 v_main_~z~0_458) (+ c_main_~z~0 v_main_~x~0_621 1)) (< .cse6 .cse7) (<= 5000000 .cse6) (<= (div (+ .cse4 .cse7 1) (- 4294967296)) (+ (div (+ v_main_~x~0_621 (- 4294967295)) 4294967296) 1)))) (and .cse0 (or (<= .cse7 .cse6) (< .cse6 5000000)) .cse1 .cse2 .cse3)))) (let ((.cse8 (div v_main_~x~0_621 4294967296)) (.cse9 (div c_main_~y~0 4294967296))) (let ((.cse10 (* 4294967296 .cse9)) (.cse17 (<= .cse9 .cse8))) (or (and (< .cse8 .cse9) (<= .cse10 v_main_~x~0_621)) (let ((.cse12 (div (* v_main_~x~0_621 (- 1)) (- 4294967296)))) (let ((.cse11 (+ .cse12 .cse9))) (and (or (< .cse8 .cse11) (<= (+ v_main_~x~0_621 10000000) (+ (* 4294967296 .cse12) c_main_~y~0))) (or (<= .cse11 .cse8) (let ((.cse15 (* 4294967296 .cse8)) (.cse16 (div v_main_~z~0_458 4294967296))) (let ((.cse14 (* 4294967296 .cse16)) (.cse13 (+ .cse15 v_main_~z~0_458))) (and (or (< .cse13 (+ .cse14 v_main_~x~0_621 1)) (<= (+ .cse14 .cse10 v_main_~x~0_621 4304967296) (+ .cse15 c_main_~y~0 v_main_~z~0_458))) (or (<= (+ (* 18446744073709551616 .cse8) (* 4294967296 v_main_~z~0_458) (* 18446744069414584320 .cse9) 18382319564279551616) (+ (* 18446744073709551616 .cse16) v_main_~x~0_621)) (<= (+ .cse15 v_main_~z~0_458 .cse10 4284967296) .cse14) (<= (+ .cse14 v_main_~x~0_621) .cse13)))))) .cse17))) (and .cse17 (<= (+ v_main_~x~0_621 5000000) c_main_~y~0))))))) (< (mod c_main_~x~0 4294967296) (mod c_main_~y~0 4294967296)) (= |c_old(#length)| |c_#length|) (= |c_#t~string6.base| |c_old(#t~string6.base)|) (= |c_#t~string6.offset| |c_old(#t~string6.offset)|) (<= 10000000 c_main_~y~0) (= |c_#t~string4.offset| |c_old(#t~string4.offset)|) (<= 5000000 c_main_~z~0) (= |c_old(#valid)| |c_#valid|) (<= (div (+ (* c_main_~x~0 (- 1)) 5000001) (- 4294967296)) 0) (<= (+ (* 4294967295 c_main_~y~0) (* 4294967296 c_main_~z~0)) 64424509430000000) (= |c_#t~string5.base| |c_old(#t~string5.base)|) (< (mod (+ c_main_~x~0 4294967295) 4294967296) 5000000) (= |c_#t~string4.base| |c_old(#t~string4.base)|) (= |c_#NULL.base| |c_old(#NULL.base)|) (= |c_#NULL.offset| |c_old(#NULL.offset)|)) is different from true [2021-05-06 12:01:42,760 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2021-05-06 12:01:43,546 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2021-05-06 12:01:44,463 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2021-05-06 12:01:45,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 12:01:45,166 INFO L93 Difference]: Finished difference Result 178 states and 182 transitions. [2021-05-06 12:01:45,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-05-06 12:01:45,167 INFO L78 Accepts]: Start accepts. Automaton has has 82 states, 81 states have (on average 1.0864197530864197) internal successors, (88), 80 states have internal predecessors, (88), 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 92 [2021-05-06 12:01:45,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 12:01:45,167 INFO L225 Difference]: With dead ends: 178 [2021-05-06 12:01:45,167 INFO L226 Difference]: Without dead ends: 98 [2021-05-06 12:01:45,168 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 4 SyntacticMatches, 7 SemanticMatches, 89 ConstructedPredicates, 11 IntricatePredicates, 0 DeprecatedPredicates, 923 ImplicationChecksByTransitivity, 142179.4ms TimeCoverageRelationStatistics Valid=288, Invalid=3409, Unknown=2667, NotChecked=1826, Total=8190 [2021-05-06 12:01:45,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2021-05-06 12:01:45,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 97. [2021-05-06 12:01:45,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 92 states have (on average 1.0326086956521738) internal successors, (95), 92 states have internal predecessors, (95), 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) [2021-05-06 12:01:45,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 99 transitions. [2021-05-06 12:01:45,192 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 99 transitions. Word has length 92 [2021-05-06 12:01:45,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 12:01:45,192 INFO L480 AbstractCegarLoop]: Abstraction has 97 states and 99 transitions. [2021-05-06 12:01:45,192 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 82 states, 81 states have (on average 1.0864197530864197) internal successors, (88), 80 states have internal predecessors, (88), 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) [2021-05-06 12:01:45,192 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 99 transitions. [2021-05-06 12:01:45,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-05-06 12:01:45,192 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 12:01:45,193 INFO L523 BasicCegarLoop]: trace histogram [28, 28, 25, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-06 12:01:45,193 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132 [2021-05-06 12:01:45,193 INFO L428 AbstractCegarLoop]: === Iteration 30 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 12:01:45,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 12:01:45,193 INFO L82 PathProgramCache]: Analyzing trace with hash -1556948638, now seen corresponding path program 27 times [2021-05-06 12:01:45,193 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-06 12:01:45,193 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [779411904] [2021-05-06 12:01:45,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 12:01:45,200 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 92.7 percent of original size [2021-05-06 12:01:45,218 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 12:01:45,219 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 12:01:45,256 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-05-06 12:01:45,282 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-05-06 12:01:45,314 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 92.7 percent of original size 89 [2021-05-06 12:01:45,358 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 2 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 12:01:45,361 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 91.8 percent of original size [2021-05-06 12:01:45,362 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 12:01:45,363 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 12:01:45,411 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-05-06 12:01:45,431 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-05-06 12:01:45,465 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 91.8 percent of original size 78 [2021-05-06 12:01:45,507 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 12:01:45,508 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-05-06 12:01:45,510 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 91.3 percent of original size [2021-05-06 12:01:45,522 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 12:01:45,523 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 12:01:45,930 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2021-05-06 12:01:46,300 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 3 DAG size of output: 1 [2021-05-06 12:01:46,311 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-05-06 12:01:46,319 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-05-06 12:01:46,335 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 91.3 percent of original size 73 [2021-05-06 12:01:46,362 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 1 HavocedVariables, 1 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 12:01:46,366 WARN L240 tifierPushTermWalker]: treesize reduction 7, result has 92.3 percent of original size [2021-05-06 12:01:46,383 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 12:01:46,384 WARN L240 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size [2021-05-06 12:01:46,413 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-05-06 12:01:46,425 WARN L245 tifierPushTermWalker]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-05-06 12:01:46,452 WARN L245 tifierPushTermWalker]: treesize reduction 7, result has 92.3 percent of original size 84 [2021-05-06 12:01:46,487 INFO L73 AcceleratorJordan]: Jordan loop acceleration statistics: 2 HavocedVariables, 2 AssignedVariables, 0 ReadonlyVariables, Eigenvalues: {1={1=1, 2=1}}, 1 SequentialAcceleration, 0 AlternatingAcceleration, 1 QuantifierFreeResult [2021-05-06 12:01:46,488 INFO L212 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-05-06 12:01:46,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 12:01:46,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-06 12:01:46,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 12:01:46,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-06 12:01:46,751 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-05-06 12:01:53,000 WARN L205 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2021-05-06 12:02:01,358 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-06 12:02:01,358 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [779411904] [2021-05-06 12:02:01,358 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [779411904] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-06 12:02:01,358 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-06 12:02:01,358 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [80] imperfect sequences [] total 80 [2021-05-06 12:02:01,358 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768892761] [2021-05-06 12:02:01,358 INFO L460 AbstractCegarLoop]: Interpolant automaton has 80 states [2021-05-06 12:02:01,358 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-06 12:02:01,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2021-05-06 12:02:01,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=212, Invalid=6594, Unknown=0, NotChecked=0, Total=6806 [2021-05-06 12:02:01,359 INFO L87 Difference]: Start difference. First operand 97 states and 99 transitions. Second operand has 80 states, 79 states have (on average 1.1518987341772151) internal successors, (91), 78 states have internal predecessors, (91), 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) [2021-05-06 12:02:02,871 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 63 [2021-05-06 12:02:03,262 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 64 [2021-05-06 12:02:11,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 12:02:11,318 INFO L93 Difference]: Finished difference Result 98 states and 100 transitions. [2021-05-06 12:02:11,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-05-06 12:02:11,318 INFO L78 Accepts]: Start accepts. Automaton has has 80 states, 79 states have (on average 1.1518987341772151) internal successors, (91), 78 states have internal predecessors, (91), 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 95 [2021-05-06 12:02:11,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 12:02:11,318 INFO L225 Difference]: With dead ends: 98 [2021-05-06 12:02:11,318 INFO L226 Difference]: Without dead ends: 0 [2021-05-06 12:02:11,319 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 6 SyntacticMatches, 12 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3305 ImplicationChecksByTransitivity, 19965.6ms TimeCoverageRelationStatistics Valid=454, Invalid=14066, Unknown=0, NotChecked=0, Total=14520 [2021-05-06 12:02:11,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-05-06 12:02:11,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-05-06 12:02:11,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-05-06 12:02:11,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-05-06 12:02:11,320 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 95 [2021-05-06 12:02:11,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 12:02:11,320 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-05-06 12:02:11,320 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 80 states, 79 states have (on average 1.1518987341772151) internal successors, (91), 78 states have internal predecessors, (91), 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) [2021-05-06 12:02:11,320 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-05-06 12:02:11,320 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-05-06 12:02:11,320 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137 [2021-05-06 12:02:11,322 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-05-06 12:02:11,999 WARN L205 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 911 DAG size of output: 873 [2021-05-06 12:02:24,566 WARN L205 SmtUtils]: Spent 12.56 s on a formula simplification. DAG size of input: 735 DAG size of output: 360 [2021-05-06 12:02:29,652 WARN L205 SmtUtils]: Spent 5.04 s on a formula simplification. DAG size of input: 733 DAG size of output: 295 [2021-05-06 12:03:25,980 WARN L205 SmtUtils]: Spent 56.32 s on a formula simplification. DAG size of input: 869 DAG size of output: 447 [2021-05-06 12:03:25,986 INFO L198 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-05-06 12:03:25,986 INFO L198 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-05-06 12:03:25,986 INFO L198 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-05-06 12:03:25,986 INFO L201 CegarLoopUtils]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2021-05-06 12:03:25,986 INFO L194 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2021-05-06 12:03:25,986 INFO L201 CegarLoopUtils]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2021-05-06 12:03:25,986 INFO L201 CegarLoopUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2021-05-06 12:03:25,986 INFO L201 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-05-06 12:03:25,986 INFO L201 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-05-06 12:03:25,986 INFO L201 CegarLoopUtils]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2021-05-06 12:03:25,986 INFO L201 CegarLoopUtils]: At program point mainENTRY(lines 6 18) the Hoare annotation is: true [2021-05-06 12:03:25,986 INFO L201 CegarLoopUtils]: At program point mainEXIT(lines 6 18) the Hoare annotation is: true [2021-05-06 12:03:25,987 INFO L201 CegarLoopUtils]: At program point L16(line 16) the Hoare annotation is: true [2021-05-06 12:03:25,987 INFO L201 CegarLoopUtils]: At program point mainFINAL(lines 6 18) the Hoare annotation is: true [2021-05-06 12:03:25,988 INFO L194 CegarLoopUtils]: At program point L12(lines 12 13) the Hoare annotation is: (let ((.cse15 (mod (+ main_~x~0 4294967295) 4294967296)) (.cse16 (* main_~x~0 (- 1))) (.cse33 (+ main_~y~0 main_~z~0))) (let ((.cse0 (<= 15000000 .cse33)) (.cse1 (<= (+ main_~z~0 5000000) main_~y~0)) (.cse35 (< 8 main_~x~0)) (.cse37 (mod (+ main_~x~0 4294967294) 4294967296)) (.cse53 (mod (+ main_~x~0 4294967293) 4294967296)) (.cse32 (<= (div (+ .cse16 5000006) (- 4294967296)) 0)) (.cse34 (* 2 main_~z~0)) (.cse29 (mod (+ main_~x~0 4294967285) 4294967296)) (.cse80 (mod (+ main_~x~0 4294967286) 4294967296)) (.cse36 (<= 5000000 .cse15)) (.cse31 (mod (+ main_~x~0 4294967291) 4294967296)) (.cse66 (mod (+ main_~x~0 4294967292) 4294967296)) (.cse38 (mod main_~y~0 4294967296)) (.cse52 (mod (+ main_~x~0 4294967288) 4294967296)) (.cse79 (mod (+ main_~x~0 4294967287) 4294967296)) (.cse30 (mod (+ main_~x~0 4294967290) 4294967296)) (.cse51 (mod (+ main_~x~0 4294967289) 4294967296)) (.cse93 (<= (div (+ .cse16 5000009) (- 4294967296)) 0)) (.cse2 (<= main_~y~0 10000000))) (or (and .cse0 .cse1 .cse2 (= main_~x~0 0)) (and .cse0 (exists ((aux_mod_v_main_~x~0_280_32 Int) (|v_main_#t~post8_153| Int) (|v_main_#t~post8_154| Int) (aux_div_v_main_~x~0_280_32 Int) (|v_main_#t~post7_75| Int) (v_main_~z~0_183 Int)) (let ((.cse9 (* aux_div_v_main_~x~0_280_32 4294967296)) (.cse10 (* 4294967296 aux_div_v_main_~x~0_280_32))) (and (let ((.cse3 (= main_~x~0 (+ aux_mod_v_main_~x~0_280_32 .cse9 1))) (.cse4 (= |main_#t~post7| |v_main_#t~post7_75|)) (.cse5 (= main_~z~0 v_main_~z~0_183)) (.cse6 (= |v_main_#t~post8_154| |v_main_#t~post8_153|)) (.cse8 (mod main_~y~0 4294967296)) (.cse7 (mod aux_mod_v_main_~x~0_280_32 4294967296))) (or (and .cse3 .cse4 .cse5 .cse6) (and .cse3 .cse4 (or (< .cse7 5000000) (<= .cse8 .cse7)) .cse5 .cse6) (and (= (+ main_~x~0 v_main_~z~0_183) (+ aux_mod_v_main_~x~0_280_32 main_~z~0 .cse9 1)) (< (+ aux_mod_v_main_~x~0_280_32 .cse10 1) main_~x~0) (<= (div (+ .cse8 (* main_~x~0 (- 1)) 1) (- 4294967296)) (+ (div (+ aux_mod_v_main_~x~0_280_32 .cse9 (- 4294967295)) 4294967296) 1)) (< .cse7 .cse8) (<= 5000000 .cse7)))) (< aux_mod_v_main_~x~0_280_32 4294967296) (<= 0 aux_mod_v_main_~x~0_280_32) (or (let ((.cse12 (* 4294967296 (div v_main_~z~0_183 4294967296)))) (let ((.cse11 (div main_~y~0 4294967296)) (.cse14 (+ aux_mod_v_main_~x~0_280_32 .cse10 .cse12)) (.cse13 (* 4294967296 (div (+ aux_mod_v_main_~x~0_280_32 .cse9) 4294967296)))) (and (or (<= (+ v_main_~z~0_183 (* 4294967296 .cse11)) (+ main_~y~0 .cse12)) (<= (+ .cse13 v_main_~z~0_183) .cse14)) (< 0 (+ .cse11 1)) (< .cse14 (+ .cse13 v_main_~z~0_183 1))))) (<= (+ aux_mod_v_main_~x~0_280_32 .cse10 5000000) main_~y~0)) (< 0 (+ aux_div_v_main_~x~0_280_32 1))))) (< .cse15 5000000) .cse1 .cse2 (<= (div (+ .cse16 5000001) (- 4294967296)) 0)) (and (<= (+ main_~z~0 4999989) main_~y~0) (exists ((aux_mod_v_main_~x~0_280_32 Int) (|v_main_#t~post8_153| Int) (|v_main_#t~post8_154| Int) (aux_div_v_main_~x~0_280_32 Int) (|v_main_#t~post7_76| Int) (|v_main_#t~post7_75| Int) (v_main_~z~0_183 Int)) (let ((.cse23 (* aux_div_v_main_~x~0_280_32 4294967296)) (.cse24 (* 4294967296 aux_div_v_main_~x~0_280_32))) (and (< aux_mod_v_main_~x~0_280_32 4294967296) (<= 0 aux_mod_v_main_~x~0_280_32) (let ((.cse17 (= |v_main_#t~post7_76| |v_main_#t~post7_75|)) (.cse18 (= main_~x~0 (+ aux_mod_v_main_~x~0_280_32 .cse23 12))) (.cse19 (= main_~z~0 (+ v_main_~z~0_183 11))) (.cse22 (= |v_main_#t~post8_154| |v_main_#t~post8_153|)) (.cse20 (mod aux_mod_v_main_~x~0_280_32 4294967296)) (.cse21 (mod main_~y~0 4294967296))) (or (and .cse17 .cse18 .cse19 (or (< .cse20 5000000) (<= .cse21 .cse20)) .cse22) (and .cse17 .cse18 .cse19 .cse22) (and (= (+ main_~x~0 v_main_~z~0_183) (+ aux_mod_v_main_~x~0_280_32 main_~z~0 .cse23 1)) (< .cse20 .cse21) (<= 5000000 .cse20) (< (+ aux_mod_v_main_~x~0_280_32 .cse24 12) main_~x~0) (<= (div (+ .cse21 (* main_~x~0 (- 1)) 12) (- 4294967296)) (+ (div (+ aux_mod_v_main_~x~0_280_32 .cse23 (- 4294967295)) 4294967296) 1))))) (or (let ((.cse26 (* 4294967296 (div v_main_~z~0_183 4294967296)))) (let ((.cse25 (div main_~y~0 4294967296)) (.cse28 (+ aux_mod_v_main_~x~0_280_32 .cse24 .cse26)) (.cse27 (* 4294967296 (div (+ aux_mod_v_main_~x~0_280_32 .cse23) 4294967296)))) (and (or (<= (+ v_main_~z~0_183 (* 4294967296 .cse25)) (+ main_~y~0 .cse26)) (<= (+ .cse27 v_main_~z~0_183) .cse28)) (< 0 (+ .cse25 1)) (< .cse28 (+ .cse27 v_main_~z~0_183 1))))) (<= (+ aux_mod_v_main_~x~0_280_32 .cse24 5000000) main_~y~0)) (< 0 (+ aux_div_v_main_~x~0_280_32 1))))) (< (mod (+ main_~x~0 4294967284) 4294967296) 5000000) .cse2 (<= 5000000 .cse29) (<= (div (+ .cse16 5000014) (- 4294967296)) 0) (<= 5000011 main_~z~0)) (and (< .cse30 5000000) (<= 5000000 .cse31) .cse32 .cse2 (<= 15000005 .cse33) (<= .cse34 (+ main_~y~0 10)) .cse35) (and .cse36 (< .cse37 5000000) .cse2 (<= (div (+ .cse38 .cse16 2) (- 4294967296)) 0) (<= .cse34 (+ main_~y~0 2)) (exists ((aux_mod_v_main_~x~0_280_32 Int) (|v_main_#t~post8_153| Int) (|v_main_#t~post8_154| Int) (aux_div_v_main_~x~0_280_32 Int) (|v_main_#t~post7_76| Int) (|v_main_#t~post7_75| Int) (v_main_~z~0_183 Int)) (let ((.cse39 (* aux_div_v_main_~x~0_280_32 4294967296)) (.cse42 (* 4294967296 aux_div_v_main_~x~0_280_32))) (and (let ((.cse43 (= (+ v_main_~z~0_183 1) main_~z~0)) (.cse44 (= |v_main_#t~post7_76| |v_main_#t~post7_75|)) (.cse45 (= (+ aux_mod_v_main_~x~0_280_32 .cse39 2) main_~x~0)) (.cse41 (mod main_~y~0 4294967296)) (.cse40 (mod aux_mod_v_main_~x~0_280_32 4294967296)) (.cse46 (= |v_main_#t~post8_154| |v_main_#t~post8_153|))) (or (and (= (+ main_~x~0 v_main_~z~0_183) (+ aux_mod_v_main_~x~0_280_32 main_~z~0 .cse39 1)) (< .cse40 .cse41) (<= (div (+ .cse41 (* main_~x~0 (- 1)) 2) (- 4294967296)) (+ (div (+ aux_mod_v_main_~x~0_280_32 .cse39 (- 4294967295)) 4294967296) 1)) (<= 5000000 .cse40) (< (+ aux_mod_v_main_~x~0_280_32 .cse42 2) main_~x~0)) (and .cse43 .cse44 .cse45 .cse46) (and .cse43 .cse44 .cse45 (or (< .cse40 5000000) (<= .cse41 .cse40)) .cse46))) (< aux_mod_v_main_~x~0_280_32 4294967296) (<= 0 aux_mod_v_main_~x~0_280_32) (or (let ((.cse48 (* 4294967296 (div v_main_~z~0_183 4294967296)))) (let ((.cse47 (div main_~y~0 4294967296)) (.cse50 (+ aux_mod_v_main_~x~0_280_32 .cse42 .cse48)) (.cse49 (* 4294967296 (div (+ aux_mod_v_main_~x~0_280_32 .cse39) 4294967296)))) (and (or (<= (+ v_main_~z~0_183 (* 4294967296 .cse47)) (+ main_~y~0 .cse48)) (<= (+ .cse49 v_main_~z~0_183) .cse50)) (< 0 (+ .cse47 1)) (< .cse50 (+ .cse49 v_main_~z~0_183 1))))) (<= (+ aux_mod_v_main_~x~0_280_32 .cse42 5000000) main_~y~0)) (< 0 (+ aux_div_v_main_~x~0_280_32 1))))) (<= 5000001 main_~z~0)) (and (<= 5000000 .cse51) (< .cse52 5000000) .cse2 (<= .cse34 (+ main_~y~0 14)) (<= 5000007 main_~z~0) (<= (div (+ .cse16 .cse38 8) (- 4294967296)) 0) .cse35) (and .cse36 (< .cse53 5000000) (<= 5000000 .cse37) (<= main_~z~0 5000002) (<= (div (+ .cse16 5000003) (- 4294967296)) 0) .cse2 (exists ((aux_mod_v_main_~x~0_280_32 Int) (|v_main_#t~post8_153| Int) (|v_main_#t~post8_154| Int) (aux_div_v_main_~x~0_280_32 Int) (|v_main_#t~post7_76| Int) (|v_main_#t~post7_75| Int) (v_main_~z~0_183 Int)) (let ((.cse54 (* aux_div_v_main_~x~0_280_32 4294967296)) (.cse57 (* 4294967296 aux_div_v_main_~x~0_280_32))) (and (let ((.cse55 (mod main_~y~0 4294967296)) (.cse56 (mod aux_mod_v_main_~x~0_280_32 4294967296)) (.cse58 (= |v_main_#t~post7_76| |v_main_#t~post7_75|)) (.cse59 (= main_~z~0 (+ v_main_~z~0_183 2))) (.cse60 (= (+ aux_mod_v_main_~x~0_280_32 .cse54 3) main_~x~0)) (.cse61 (= |v_main_#t~post8_154| |v_main_#t~post8_153|))) (or (and (= (+ main_~x~0 v_main_~z~0_183) (+ aux_mod_v_main_~x~0_280_32 main_~z~0 .cse54 1)) (<= (div (+ .cse55 (* main_~x~0 (- 1)) 3) (- 4294967296)) (+ (div (+ aux_mod_v_main_~x~0_280_32 .cse54 (- 4294967295)) 4294967296) 1)) (< .cse56 .cse55) (<= 5000000 .cse56) (< (+ aux_mod_v_main_~x~0_280_32 .cse57 3) main_~x~0)) (and .cse58 .cse59 .cse60 (or (< .cse56 5000000) (<= .cse55 .cse56)) .cse61) (and .cse58 .cse59 .cse60 .cse61))) (< aux_mod_v_main_~x~0_280_32 4294967296) (<= 0 aux_mod_v_main_~x~0_280_32) (or (let ((.cse63 (* 4294967296 (div v_main_~z~0_183 4294967296)))) (let ((.cse62 (div main_~y~0 4294967296)) (.cse65 (+ aux_mod_v_main_~x~0_280_32 .cse57 .cse63)) (.cse64 (* 4294967296 (div (+ aux_mod_v_main_~x~0_280_32 .cse54) 4294967296)))) (and (or (<= (+ v_main_~z~0_183 (* 4294967296 .cse62)) (+ main_~y~0 .cse63)) (<= (+ .cse64 v_main_~z~0_183) .cse65)) (< 0 (+ .cse62 1)) (< .cse65 (+ .cse64 v_main_~z~0_183 1))))) (<= (+ aux_mod_v_main_~x~0_280_32 .cse57 5000000) main_~y~0)) (< 0 (+ aux_div_v_main_~x~0_280_32 1))))) (<= 15000002 .cse33)) (and (<= 5000003 main_~z~0) (<= 5000000 .cse53) .cse32 .cse2 (< .cse66 5000000) (exists ((aux_mod_v_main_~x~0_280_32 Int) (|v_main_#t~post8_153| Int) (|v_main_#t~post8_154| Int) (aux_div_v_main_~x~0_280_32 Int) (|v_main_#t~post7_76| Int) (|v_main_#t~post7_75| Int) (v_main_~z~0_183 Int)) (let ((.cse72 (* 4294967296 aux_div_v_main_~x~0_280_32)) (.cse71 (* aux_div_v_main_~x~0_280_32 4294967296))) (and (< aux_mod_v_main_~x~0_280_32 4294967296) (<= 0 aux_mod_v_main_~x~0_280_32) (or (let ((.cse68 (* 4294967296 (div v_main_~z~0_183 4294967296)))) (let ((.cse67 (div main_~y~0 4294967296)) (.cse70 (+ aux_mod_v_main_~x~0_280_32 .cse72 .cse68)) (.cse69 (* 4294967296 (div (+ aux_mod_v_main_~x~0_280_32 .cse71) 4294967296)))) (and (or (<= (+ v_main_~z~0_183 (* 4294967296 .cse67)) (+ main_~y~0 .cse68)) (<= (+ .cse69 v_main_~z~0_183) .cse70)) (< 0 (+ .cse67 1)) (< .cse70 (+ .cse69 v_main_~z~0_183 1))))) (<= (+ aux_mod_v_main_~x~0_280_32 .cse72 5000000) main_~y~0)) (let ((.cse73 (= |v_main_#t~post7_76| |v_main_#t~post7_75|)) (.cse74 (= main_~z~0 (+ v_main_~z~0_183 3))) (.cse77 (= |v_main_#t~post8_154| |v_main_#t~post8_153|)) (.cse78 (= main_~x~0 (+ aux_mod_v_main_~x~0_280_32 .cse71 4))) (.cse75 (mod aux_mod_v_main_~x~0_280_32 4294967296)) (.cse76 (mod main_~y~0 4294967296))) (or (and .cse73 .cse74 (or (< .cse75 5000000) (<= .cse76 .cse75)) .cse77 .cse78) (and .cse73 .cse74 .cse77 .cse78) (and (= (+ main_~x~0 v_main_~z~0_183) (+ aux_mod_v_main_~x~0_280_32 main_~z~0 .cse71 1)) (< .cse75 .cse76) (< (+ aux_mod_v_main_~x~0_280_32 .cse72 4) main_~x~0) (<= 5000000 .cse75) (<= (div (+ .cse76 (* main_~x~0 (- 1)) 4) (- 4294967296)) (+ (div (+ aux_mod_v_main_~x~0_280_32 .cse71 (- 4294967295)) 4294967296) 1))))) (< 0 (+ aux_div_v_main_~x~0_280_32 1))))) (<= (+ main_~z~0 4999997) main_~y~0)) (and (< 12 main_~x~0) (<= 5000000 .cse79) (< .cse80 5000000) .cse2 (<= (div (+ .cse38 .cse16 10) (- 4294967296)) 0) (<= .cse34 (+ main_~y~0 18)) (<= 15000009 .cse33)) (and (exists ((aux_mod_v_main_~x~0_280_32 Int) (|v_main_#t~post8_153| Int) (|v_main_#t~post8_154| Int) (aux_div_v_main_~x~0_280_32 Int) (|v_main_#t~post7_76| Int) (|v_main_#t~post7_75| Int) (v_main_~z~0_183 Int)) (let ((.cse87 (* aux_div_v_main_~x~0_280_32 4294967296)) (.cse88 (* 4294967296 aux_div_v_main_~x~0_280_32))) (and (< aux_mod_v_main_~x~0_280_32 4294967296) (let ((.cse81 (= |v_main_#t~post7_76| |v_main_#t~post7_75|)) (.cse82 (= (+ v_main_~z~0_183 10) main_~z~0)) (.cse85 (= main_~x~0 (+ aux_mod_v_main_~x~0_280_32 .cse87 11))) (.cse86 (= |v_main_#t~post8_154| |v_main_#t~post8_153|)) (.cse83 (mod aux_mod_v_main_~x~0_280_32 4294967296)) (.cse84 (mod main_~y~0 4294967296))) (or (and .cse81 .cse82 (or (< .cse83 5000000) (<= .cse84 .cse83)) .cse85 .cse86) (and .cse81 .cse82 .cse85 .cse86) (and (= (+ main_~x~0 v_main_~z~0_183) (+ aux_mod_v_main_~x~0_280_32 main_~z~0 .cse87 1)) (< (+ aux_mod_v_main_~x~0_280_32 .cse88 11) main_~x~0) (< .cse83 .cse84) (<= 5000000 .cse83) (<= (div (+ .cse84 (* main_~x~0 (- 1)) 11) (- 4294967296)) (+ (div (+ aux_mod_v_main_~x~0_280_32 .cse87 (- 4294967295)) 4294967296) 1))))) (<= 0 aux_mod_v_main_~x~0_280_32) (or (let ((.cse90 (* 4294967296 (div v_main_~z~0_183 4294967296)))) (let ((.cse89 (div main_~y~0 4294967296)) (.cse92 (+ aux_mod_v_main_~x~0_280_32 .cse88 .cse90)) (.cse91 (* 4294967296 (div (+ aux_mod_v_main_~x~0_280_32 .cse87) 4294967296)))) (and (or (<= (+ v_main_~z~0_183 (* 4294967296 .cse89)) (+ main_~y~0 .cse90)) (<= (+ .cse91 v_main_~z~0_183) .cse92)) (< 0 (+ .cse89 1)) (< .cse92 (+ .cse91 v_main_~z~0_183 1))))) (<= (+ aux_mod_v_main_~x~0_280_32 .cse88 5000000) main_~y~0)) (< 0 (+ aux_div_v_main_~x~0_280_32 1))))) (< .cse29 5000000) (<= 15000010 .cse33) (<= (+ main_~z~0 4999990) main_~y~0) (<= 5000000 .cse80) .cse2 (<= (div (+ .cse16 5000011) (- 4294967296)) 0)) (and .cse36 (< 7 main_~x~0) (< .cse31 5000000) .cse2 (<= 5000000 .cse66) (<= (div (+ .cse38 .cse16 5) (- 4294967296)) 0) (<= (+ main_~z~0 4999996) main_~y~0) (<= 15000004 .cse33)) (and (<= 15000008 .cse33) (<= 5000000 .cse52) .cse93 .cse2 (< .cse79 5000000) (exists ((aux_mod_v_main_~x~0_280_32 Int) (|v_main_#t~post8_153| Int) (|v_main_#t~post8_154| Int) (aux_div_v_main_~x~0_280_32 Int) (|v_main_#t~post7_76| Int) (|v_main_#t~post7_75| Int) (v_main_~z~0_183 Int)) (let ((.cse100 (* aux_div_v_main_~x~0_280_32 4294967296)) (.cse101 (* 4294967296 aux_div_v_main_~x~0_280_32))) (and (let ((.cse94 (= |v_main_#t~post7_76| |v_main_#t~post7_75|)) (.cse95 (= |v_main_#t~post8_154| |v_main_#t~post8_153|)) (.cse96 (= main_~x~0 (+ aux_mod_v_main_~x~0_280_32 .cse100 9))) (.cse97 (= main_~z~0 (+ v_main_~z~0_183 8))) (.cse99 (mod main_~y~0 4294967296)) (.cse98 (mod aux_mod_v_main_~x~0_280_32 4294967296))) (or (and .cse94 .cse95 .cse96 .cse97) (and .cse94 (or (< .cse98 5000000) (<= .cse99 .cse98)) .cse95 .cse96 .cse97) (and (= (+ main_~x~0 v_main_~z~0_183) (+ aux_mod_v_main_~x~0_280_32 main_~z~0 .cse100 1)) (<= (div (+ .cse99 (* main_~x~0 (- 1)) 9) (- 4294967296)) (+ (div (+ aux_mod_v_main_~x~0_280_32 .cse100 (- 4294967295)) 4294967296) 1)) (< .cse98 .cse99) (<= 5000000 .cse98) (< (+ aux_mod_v_main_~x~0_280_32 .cse101 9) main_~x~0)))) (< aux_mod_v_main_~x~0_280_32 4294967296) (<= 0 aux_mod_v_main_~x~0_280_32) (or (let ((.cse103 (* 4294967296 (div v_main_~z~0_183 4294967296)))) (let ((.cse102 (div main_~y~0 4294967296)) (.cse105 (+ aux_mod_v_main_~x~0_280_32 .cse101 .cse103)) (.cse104 (* 4294967296 (div (+ aux_mod_v_main_~x~0_280_32 .cse100) 4294967296)))) (and (or (<= (+ v_main_~z~0_183 (* 4294967296 .cse102)) (+ main_~y~0 .cse103)) (<= (+ .cse104 v_main_~z~0_183) .cse105)) (< 0 (+ .cse102 1)) (< .cse105 (+ .cse104 v_main_~z~0_183 1))))) (<= (+ aux_mod_v_main_~x~0_280_32 .cse101 5000000) main_~y~0)) (< 0 (+ aux_div_v_main_~x~0_280_32 1))))) (<= (+ main_~z~0 4999992) main_~y~0)) (and (<= 5000000 .cse30) (exists ((aux_mod_v_main_~x~0_280_32 Int) (|v_main_#t~post8_153| Int) (|v_main_#t~post8_154| Int) (aux_div_v_main_~x~0_280_32 Int) (|v_main_#t~post7_76| Int) (|v_main_#t~post7_75| Int) (v_main_~z~0_183 Int)) (let ((.cse112 (* aux_div_v_main_~x~0_280_32 4294967296)) (.cse113 (* 4294967296 aux_div_v_main_~x~0_280_32))) (and (< aux_mod_v_main_~x~0_280_32 4294967296) (let ((.cse110 (mod main_~y~0 4294967296)) (.cse109 (mod aux_mod_v_main_~x~0_280_32 4294967296)) (.cse106 (= |v_main_#t~post7_76| |v_main_#t~post7_75|)) (.cse107 (= main_~x~0 (+ aux_mod_v_main_~x~0_280_32 .cse112 7))) (.cse108 (= (+ v_main_~z~0_183 6) main_~z~0)) (.cse111 (= |v_main_#t~post8_154| |v_main_#t~post8_153|))) (or (and .cse106 .cse107 .cse108 (or (< .cse109 5000000) (<= .cse110 .cse109)) .cse111) (and (= (+ main_~x~0 v_main_~z~0_183) (+ aux_mod_v_main_~x~0_280_32 main_~z~0 .cse112 1)) (< .cse109 .cse110) (<= (div (+ .cse110 (* main_~x~0 (- 1)) 7) (- 4294967296)) (+ (div (+ aux_mod_v_main_~x~0_280_32 .cse112 (- 4294967295)) 4294967296) 1)) (<= 5000000 .cse109) (< (+ aux_mod_v_main_~x~0_280_32 .cse113 7) main_~x~0)) (and .cse106 .cse107 .cse108 .cse111))) (<= 0 aux_mod_v_main_~x~0_280_32) (or (let ((.cse115 (* 4294967296 (div v_main_~z~0_183 4294967296)))) (let ((.cse114 (div main_~y~0 4294967296)) (.cse117 (+ aux_mod_v_main_~x~0_280_32 .cse113 .cse115)) (.cse116 (* 4294967296 (div (+ aux_mod_v_main_~x~0_280_32 .cse112) 4294967296)))) (and (or (<= (+ v_main_~z~0_183 (* 4294967296 .cse114)) (+ main_~y~0 .cse115)) (<= (+ .cse116 v_main_~z~0_183) .cse117)) (< 0 (+ .cse114 1)) (< .cse117 (+ .cse116 v_main_~z~0_183 1))))) (<= (+ aux_mod_v_main_~x~0_280_32 .cse113 5000000) main_~y~0)) (< 0 (+ aux_div_v_main_~x~0_280_32 1))))) (< .cse51 5000000) (<= .cse33 15000006) (<= 15000006 .cse33) (<= 10000000 main_~y~0) .cse93 .cse2)))) [2021-05-06 12:03:25,989 INFO L194 CegarLoopUtils]: At program point L12-2(lines 12 13) the Hoare annotation is: (let ((.cse14 (* main_~x~0 (- 1))) (.cse75 (mod (+ main_~x~0 4294967292) 4294967296))) (let ((.cse12 (mod (+ main_~x~0 4294967286) 4294967296)) (.cse35 (mod (+ main_~x~0 4294967287) 4294967296)) (.cse79 (< .cse75 5000000)) (.cse80 (mod (+ main_~x~0 4294967293) 4294967296)) (.cse78 (mod (+ main_~x~0 4294967294) 4294967296)) (.cse74 (mod (+ main_~x~0 4294967291) 4294967296)) (.cse34 (+ main_~y~0 main_~z~0)) (.cse36 (mod (+ main_~x~0 4294967288) 4294967296)) (.cse76 (mod main_~y~0 4294967296)) (.cse81 (mod (+ main_~x~0 4294967290) 4294967296)) (.cse94 (mod (+ main_~x~0 4294967289) 4294967296)) (.cse37 (<= (div (+ .cse14 5000009) (- 4294967296)) 0)) (.cse33 (mod main_~x~0 4294967296)) (.cse77 (mod (+ main_~x~0 4294967295) 4294967296)) (.cse13 (<= main_~y~0 10000000)) (.cse32 (* 2 main_~z~0))) (or (and (<= (+ main_~z~0 4999989) main_~y~0) (exists ((aux_mod_v_main_~x~0_280_32 Int) (|v_main_#t~post8_153| Int) (|v_main_#t~post8_154| Int) (aux_div_v_main_~x~0_280_32 Int) (|v_main_#t~post7_76| Int) (|v_main_#t~post7_75| Int) (v_main_~z~0_183 Int)) (let ((.cse7 (* aux_div_v_main_~x~0_280_32 4294967296)) (.cse6 (* 4294967296 aux_div_v_main_~x~0_280_32))) (and (let ((.cse0 (= |v_main_#t~post7_76| |v_main_#t~post7_75|)) (.cse1 (= main_~z~0 (+ v_main_~z~0_183 11))) (.cse2 (= main_~x~0 (+ aux_mod_v_main_~x~0_280_32 .cse7 11))) (.cse3 (= |v_main_#t~post8_154| |v_main_#t~post8_153|)) (.cse4 (mod aux_mod_v_main_~x~0_280_32 4294967296)) (.cse5 (mod main_~y~0 4294967296))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (or (< .cse4 5000000) (<= .cse5 .cse4)) .cse2 .cse3) (and (< (+ aux_mod_v_main_~x~0_280_32 .cse6 11) main_~x~0) (= (+ main_~x~0 v_main_~z~0_183) (+ aux_mod_v_main_~x~0_280_32 main_~z~0 .cse7)) (< .cse4 .cse5) (<= 5000000 .cse4) (<= (div (+ .cse5 (* main_~x~0 (- 1)) 11) (- 4294967296)) (+ (div (+ aux_mod_v_main_~x~0_280_32 .cse7 (- 4294967295)) 4294967296) 1))))) (< aux_mod_v_main_~x~0_280_32 4294967296) (<= 0 aux_mod_v_main_~x~0_280_32) (or (let ((.cse9 (* 4294967296 (div v_main_~z~0_183 4294967296)))) (let ((.cse8 (div main_~y~0 4294967296)) (.cse11 (+ aux_mod_v_main_~x~0_280_32 .cse6 .cse9)) (.cse10 (* 4294967296 (div (+ aux_mod_v_main_~x~0_280_32 .cse7) 4294967296)))) (and (or (<= (+ v_main_~z~0_183 (* 4294967296 .cse8)) (+ main_~y~0 .cse9)) (<= (+ .cse10 v_main_~z~0_183) .cse11)) (< 0 (+ .cse8 1)) (< .cse11 (+ .cse10 v_main_~z~0_183 1))))) (<= (+ aux_mod_v_main_~x~0_280_32 .cse6 5000000) main_~y~0)) (< 0 (+ aux_div_v_main_~x~0_280_32 1))))) (<= 5000000 .cse12) .cse13 (<= (div (+ .cse14 5000011) (- 4294967296)) 0) (<= 5000011 main_~z~0)) (and (<= (div (+ .cse14 5000000) (- 4294967296)) 0) (exists ((|v_main_#t~post8_264| Int) (v_main_~z~0_458 Int) (|v_main_#t~post7_131| Int) (v_main_~x~0_621 Int)) (and (let ((.cse15 (div v_main_~x~0_621 4294967296)) (.cse16 (div main_~y~0 4294967296))) (let ((.cse17 (* 4294967296 .cse16)) (.cse24 (<= .cse16 .cse15))) (or (and (< .cse15 .cse16) (<= .cse17 v_main_~x~0_621)) (let ((.cse19 (div (* v_main_~x~0_621 (- 1)) (- 4294967296)))) (let ((.cse18 (+ .cse19 .cse16))) (and (or (< .cse15 .cse18) (<= (+ v_main_~x~0_621 10000000) (+ (* 4294967296 .cse19) main_~y~0))) (or (<= .cse18 .cse15) (let ((.cse22 (* 4294967296 .cse15)) (.cse23 (div v_main_~z~0_458 4294967296))) (let ((.cse21 (* 4294967296 .cse23)) (.cse20 (+ .cse22 v_main_~z~0_458))) (and (or (< .cse20 (+ .cse21 v_main_~x~0_621 1)) (<= (+ .cse21 .cse17 v_main_~x~0_621 4304967296) (+ .cse22 main_~y~0 v_main_~z~0_458))) (or (<= (+ (* 18446744073709551616 .cse15) (* 4294967296 v_main_~z~0_458) (* 18446744069414584320 .cse16) 18382319564279551616) (+ (* 18446744073709551616 .cse23) v_main_~x~0_621)) (<= (+ .cse22 v_main_~z~0_458 .cse17 4284967296) .cse21) (<= (+ .cse21 v_main_~x~0_621) .cse20)))))) .cse24))) (and .cse24 (<= (+ v_main_~x~0_621 5000000) main_~y~0))))) (let ((.cse27 (mod main_~y~0 4294967296)) (.cse26 (mod v_main_~x~0_621 4294967296)) (.cse28 (= main_~z~0 v_main_~z~0_458)) (.cse29 (= |main_#t~post8| |v_main_#t~post8_264|)) (.cse30 (= v_main_~x~0_621 main_~x~0)) (.cse31 (= |main_#t~post7| |v_main_#t~post7_131|))) (or (let ((.cse25 (* main_~x~0 (- 1)))) (and (< v_main_~x~0_621 main_~x~0) (<= (div .cse25 (- 4294967296)) (+ (div (+ v_main_~x~0_621 (- 4999999)) 4294967296) 1)) (= (+ main_~x~0 v_main_~z~0_458) (+ main_~z~0 v_main_~x~0_621)) (< .cse26 .cse27) (<= (div (+ .cse25 .cse27) (- 4294967296)) (+ (div (+ v_main_~x~0_621 (- 4294967295)) 4294967296) 1)) (<= 5000000 .cse26))) (and .cse28 (or (<= .cse27 .cse26) (< .cse26 5000000)) .cse29 .cse30 .cse31) (and .cse28 .cse29 .cse30 .cse31))))) (<= .cse32 main_~y~0) (< .cse33 5000000) (<= .cse34 15000000) (<= 5000000 main_~z~0)) (and (< 12 main_~x~0) (<= 15000010 .cse34) (<= (+ main_~z~0 4999990) main_~y~0) (<= (div (+ .cse14 5000010) (- 4294967296)) 0) (<= 5000000 .cse35) (< .cse12 5000000) .cse13) (and (<= 5000000 .cse36) .cse37 (exists ((aux_mod_v_main_~x~0_280_32 Int) (|v_main_#t~post8_153| Int) (|v_main_#t~post8_154| Int) (aux_div_v_main_~x~0_280_32 Int) (|v_main_#t~post7_76| Int) (|v_main_#t~post7_75| Int) (v_main_~z~0_183 Int)) (let ((.cse44 (* aux_div_v_main_~x~0_280_32 4294967296)) (.cse45 (* 4294967296 aux_div_v_main_~x~0_280_32))) (and (< aux_mod_v_main_~x~0_280_32 4294967296) (<= 0 aux_mod_v_main_~x~0_280_32) (let ((.cse41 (mod main_~y~0 4294967296)) (.cse40 (mod aux_mod_v_main_~x~0_280_32 4294967296)) (.cse38 (= |v_main_#t~post7_76| |v_main_#t~post7_75|)) (.cse39 (= (+ v_main_~z~0_183 9) main_~z~0)) (.cse42 (= |v_main_#t~post8_154| |v_main_#t~post8_153|)) (.cse43 (= main_~x~0 (+ aux_mod_v_main_~x~0_280_32 .cse44 9)))) (or (and .cse38 .cse39 (or (< .cse40 5000000) (<= .cse41 .cse40)) .cse42 .cse43) (and (= (+ main_~x~0 v_main_~z~0_183) (+ aux_mod_v_main_~x~0_280_32 main_~z~0 .cse44)) (<= (div (+ .cse41 (* main_~x~0 (- 1)) 9) (- 4294967296)) (+ (div (+ aux_mod_v_main_~x~0_280_32 .cse44 (- 4294967295)) 4294967296) 1)) (< .cse40 .cse41) (<= 5000000 .cse40) (< (+ aux_mod_v_main_~x~0_280_32 .cse45 9) main_~x~0)) (and .cse38 .cse39 .cse42 .cse43))) (or (let ((.cse47 (* 4294967296 (div v_main_~z~0_183 4294967296)))) (let ((.cse46 (div main_~y~0 4294967296)) (.cse49 (+ aux_mod_v_main_~x~0_280_32 .cse45 .cse47)) (.cse48 (* 4294967296 (div (+ aux_mod_v_main_~x~0_280_32 .cse44) 4294967296)))) (and (or (<= (+ v_main_~z~0_183 (* 4294967296 .cse46)) (+ main_~y~0 .cse47)) (<= (+ .cse48 v_main_~z~0_183) .cse49)) (< 0 (+ .cse46 1)) (< .cse49 (+ .cse48 v_main_~z~0_183 1))))) (<= (+ aux_mod_v_main_~x~0_280_32 .cse45 5000000) main_~y~0)) (< 0 (+ aux_div_v_main_~x~0_280_32 1))))) .cse13 (<= .cse32 (+ main_~y~0 18)) (< .cse35 5000000) (<= 15000009 .cse34)) (and (exists ((aux_mod_v_main_~x~0_280_32 Int) (|v_main_#t~post8_153| Int) (|v_main_#t~post8_154| Int) (aux_div_v_main_~x~0_280_32 Int) (|v_main_#t~post7_76| Int) (|v_main_#t~post7_75| Int) (v_main_~z~0_183 Int)) (let ((.cse55 (* 4294967296 aux_div_v_main_~x~0_280_32)) (.cse54 (* aux_div_v_main_~x~0_280_32 4294967296))) (and (< aux_mod_v_main_~x~0_280_32 4294967296) (<= 0 aux_mod_v_main_~x~0_280_32) (or (let ((.cse51 (* 4294967296 (div v_main_~z~0_183 4294967296)))) (let ((.cse50 (div main_~y~0 4294967296)) (.cse53 (+ aux_mod_v_main_~x~0_280_32 .cse55 .cse51)) (.cse52 (* 4294967296 (div (+ aux_mod_v_main_~x~0_280_32 .cse54) 4294967296)))) (and (or (<= (+ v_main_~z~0_183 (* 4294967296 .cse50)) (+ main_~y~0 .cse51)) (<= (+ .cse52 v_main_~z~0_183) .cse53)) (< 0 (+ .cse50 1)) (< .cse53 (+ .cse52 v_main_~z~0_183 1))))) (<= (+ aux_mod_v_main_~x~0_280_32 .cse55 5000000) main_~y~0)) (< 0 (+ aux_div_v_main_~x~0_280_32 1)) (let ((.cse58 (= |v_main_#t~post7_76| |v_main_#t~post7_75|)) (.cse59 (= main_~x~0 (+ aux_mod_v_main_~x~0_280_32 .cse54 12))) (.cse57 (mod main_~y~0 4294967296)) (.cse56 (mod aux_mod_v_main_~x~0_280_32 4294967296)) (.cse60 (= (+ v_main_~z~0_183 12) main_~z~0)) (.cse61 (= |v_main_#t~post8_154| |v_main_#t~post8_153|))) (or (and (= (+ main_~x~0 v_main_~z~0_183) (+ aux_mod_v_main_~x~0_280_32 main_~z~0 .cse54)) (< .cse56 .cse57) (<= 5000000 .cse56) (< (+ aux_mod_v_main_~x~0_280_32 .cse55 12) main_~x~0) (<= (div (+ .cse57 (* main_~x~0 (- 1)) 12) (- 4294967296)) (+ (div (+ aux_mod_v_main_~x~0_280_32 .cse54 (- 4294967295)) 4294967296) 1))) (and .cse58 .cse59 .cse60 .cse61) (and .cse58 .cse59 (or (< .cse56 5000000) (<= .cse57 .cse56)) .cse60 .cse61)))))) (<= (+ main_~z~0 4999988) main_~y~0) (< (mod (+ main_~x~0 4294967284) 4294967296) 5000000) .cse13 (<= 5000000 (mod (+ main_~x~0 4294967285) 4294967296)) (<= (div (+ .cse14 5000014) (- 4294967296)) 0)) (and (exists ((aux_mod_v_main_~x~0_280_32 Int) (|v_main_#t~post8_153| Int) (|v_main_#t~post8_154| Int) (aux_div_v_main_~x~0_280_32 Int) (|v_main_#t~post7_76| Int) (|v_main_#t~post7_75| Int) (v_main_~z~0_183 Int)) (let ((.cse68 (* aux_div_v_main_~x~0_280_32 4294967296)) (.cse69 (* 4294967296 aux_div_v_main_~x~0_280_32))) (and (< aux_mod_v_main_~x~0_280_32 4294967296) (<= 0 aux_mod_v_main_~x~0_280_32) (let ((.cse64 (mod main_~y~0 4294967296)) (.cse63 (mod aux_mod_v_main_~x~0_280_32 4294967296)) (.cse62 (= |v_main_#t~post7_76| |v_main_#t~post7_75|)) (.cse65 (= (+ v_main_~z~0_183 5) main_~z~0)) (.cse66 (= |v_main_#t~post8_154| |v_main_#t~post8_153|)) (.cse67 (= main_~x~0 (+ aux_mod_v_main_~x~0_280_32 .cse68 5)))) (or (and .cse62 (or (< .cse63 5000000) (<= .cse64 .cse63)) .cse65 .cse66 .cse67) (and (<= (div (+ .cse64 (* main_~x~0 (- 1)) 5) (- 4294967296)) (+ (div (+ aux_mod_v_main_~x~0_280_32 .cse68 (- 4294967295)) 4294967296) 1)) (= (+ main_~x~0 v_main_~z~0_183) (+ aux_mod_v_main_~x~0_280_32 main_~z~0 .cse68)) (< (+ aux_mod_v_main_~x~0_280_32 .cse69 5) main_~x~0) (< .cse63 .cse64) (<= 5000000 .cse63)) (and .cse62 .cse65 .cse66 .cse67))) (or (let ((.cse71 (* 4294967296 (div v_main_~z~0_183 4294967296)))) (let ((.cse70 (div main_~y~0 4294967296)) (.cse73 (+ aux_mod_v_main_~x~0_280_32 .cse69 .cse71)) (.cse72 (* 4294967296 (div (+ aux_mod_v_main_~x~0_280_32 .cse68) 4294967296)))) (and (or (<= (+ v_main_~z~0_183 (* 4294967296 .cse70)) (+ main_~y~0 .cse71)) (<= (+ .cse72 v_main_~z~0_183) .cse73)) (< 0 (+ .cse70 1)) (< .cse73 (+ .cse72 v_main_~z~0_183 1))))) (<= (+ aux_mod_v_main_~x~0_280_32 .cse69 5000000) main_~y~0)) (< 0 (+ aux_div_v_main_~x~0_280_32 1))))) (< .cse74 5000000) .cse13 (<= 15000005 .cse34) (<= .cse32 (+ main_~y~0 10)) (<= 5000000 .cse75) (<= (div (+ .cse76 .cse14 5) (- 4294967296)) 0)) (and (<= 5000000 .cse77) (<= main_~z~0 5000002) (< .cse78 5000000) .cse13 (<= (div (+ .cse76 .cse14 2) (- 4294967296)) 0) .cse79 (<= 15000002 .cse34) (< 2 main_~x~0)) (and (<= 5000000 .cse80) (< 4 main_~x~0) .cse13 .cse79 (<= (div (+ .cse76 .cse14 4) (- 4294967296)) 0) (<= (+ main_~z~0 4999996) main_~y~0) (<= 15000004 .cse34)) (and (< 3 main_~x~0) (<= 5000003 main_~z~0) (< .cse80 5000000) (<= 5000000 .cse78) (<= (div (+ .cse14 5000003) (- 4294967296)) 0) .cse13 (<= (+ main_~z~0 4999997) main_~y~0)) (and (< .cse81 5000000) (<= 5000000 .cse74) (<= .cse34 15000006) (<= 15000006 .cse34) (<= (div (+ .cse14 5000006) (- 4294967296)) 0) (<= 10000000 main_~y~0) (exists ((aux_mod_v_main_~x~0_280_32 Int) (|v_main_#t~post8_153| Int) (|v_main_#t~post8_154| Int) (aux_div_v_main_~x~0_280_32 Int) (|v_main_#t~post7_76| Int) (|v_main_#t~post7_75| Int) (v_main_~z~0_183 Int)) (let ((.cse83 (* aux_div_v_main_~x~0_280_32 4294967296)) (.cse82 (* 4294967296 aux_div_v_main_~x~0_280_32))) (and (< aux_mod_v_main_~x~0_280_32 4294967296) (let ((.cse85 (mod main_~y~0 4294967296)) (.cse84 (mod aux_mod_v_main_~x~0_280_32 4294967296)) (.cse86 (= |v_main_#t~post7_76| |v_main_#t~post7_75|)) (.cse87 (= (+ v_main_~z~0_183 6) main_~z~0)) (.cse88 (= |v_main_#t~post8_154| |v_main_#t~post8_153|)) (.cse89 (= main_~x~0 (+ aux_mod_v_main_~x~0_280_32 .cse83 6)))) (or (and (< (+ aux_mod_v_main_~x~0_280_32 .cse82 6) main_~x~0) (= (+ main_~x~0 v_main_~z~0_183) (+ aux_mod_v_main_~x~0_280_32 main_~z~0 .cse83)) (< .cse84 .cse85) (<= 5000000 .cse84) (<= (div (+ .cse85 (* main_~x~0 (- 1)) 6) (- 4294967296)) (+ (div (+ aux_mod_v_main_~x~0_280_32 .cse83 (- 4294967295)) 4294967296) 1))) (and .cse86 .cse87 (or (< .cse84 5000000) (<= .cse85 .cse84)) .cse88 .cse89) (and .cse86 .cse87 .cse88 .cse89))) (<= 0 aux_mod_v_main_~x~0_280_32) (or (let ((.cse91 (* 4294967296 (div v_main_~z~0_183 4294967296)))) (let ((.cse90 (div main_~y~0 4294967296)) (.cse93 (+ aux_mod_v_main_~x~0_280_32 .cse82 .cse91)) (.cse92 (* 4294967296 (div (+ aux_mod_v_main_~x~0_280_32 .cse83) 4294967296)))) (and (or (<= (+ v_main_~z~0_183 (* 4294967296 .cse90)) (+ main_~y~0 .cse91)) (<= (+ .cse92 v_main_~z~0_183) .cse93)) (< 0 (+ .cse90 1)) (< .cse93 (+ .cse92 v_main_~z~0_183 1))))) (<= (+ aux_mod_v_main_~x~0_280_32 .cse82 5000000) main_~y~0)) (< 0 (+ aux_div_v_main_~x~0_280_32 1))))) .cse13) (and (<= 5000000 .cse94) (<= 15000008 .cse34) (< .cse36 5000000) .cse13 (<= (div (+ .cse14 .cse76 8) (- 4294967296)) 0) (< 8 main_~x~0) (<= (+ main_~z~0 4999992) main_~y~0)) (and (<= 5000000 .cse81) (exists ((aux_mod_v_main_~x~0_280_32 Int) (|v_main_#t~post8_153| Int) (|v_main_#t~post8_154| Int) (aux_div_v_main_~x~0_280_32 Int) (|v_main_#t~post7_76| Int) (|v_main_#t~post7_75| Int) (v_main_~z~0_183 Int)) (let ((.cse99 (* aux_div_v_main_~x~0_280_32 4294967296)) (.cse102 (* 4294967296 aux_div_v_main_~x~0_280_32))) (and (< aux_mod_v_main_~x~0_280_32 4294967296) (<= 0 aux_mod_v_main_~x~0_280_32) (let ((.cse95 (= |v_main_#t~post7_76| |v_main_#t~post7_75|)) (.cse96 (= main_~x~0 (+ aux_mod_v_main_~x~0_280_32 .cse99 7))) (.cse97 (= (+ v_main_~z~0_183 7) main_~z~0)) (.cse101 (mod main_~y~0 4294967296)) (.cse100 (mod aux_mod_v_main_~x~0_280_32 4294967296)) (.cse98 (= |v_main_#t~post8_154| |v_main_#t~post8_153|))) (or (and .cse95 .cse96 .cse97 .cse98) (and (= (+ main_~x~0 v_main_~z~0_183) (+ aux_mod_v_main_~x~0_280_32 main_~z~0 .cse99)) (< .cse100 .cse101) (<= (div (+ .cse101 (* main_~x~0 (- 1)) 7) (- 4294967296)) (+ (div (+ aux_mod_v_main_~x~0_280_32 .cse99 (- 4294967295)) 4294967296) 1)) (<= 5000000 .cse100) (< (+ aux_mod_v_main_~x~0_280_32 .cse102 7) main_~x~0)) (and .cse95 .cse96 .cse97 (or (< .cse100 5000000) (<= .cse101 .cse100)) .cse98))) (or (let ((.cse104 (* 4294967296 (div v_main_~z~0_183 4294967296)))) (let ((.cse103 (div main_~y~0 4294967296)) (.cse106 (+ aux_mod_v_main_~x~0_280_32 .cse102 .cse104)) (.cse105 (* 4294967296 (div (+ aux_mod_v_main_~x~0_280_32 .cse99) 4294967296)))) (and (or (<= (+ v_main_~z~0_183 (* 4294967296 .cse103)) (+ main_~y~0 .cse104)) (<= (+ .cse105 v_main_~z~0_183) .cse106)) (< 0 (+ .cse103 1)) (< .cse106 (+ .cse105 v_main_~z~0_183 1))))) (<= (+ aux_mod_v_main_~x~0_280_32 .cse102 5000000) main_~y~0)) (< 0 (+ aux_div_v_main_~x~0_280_32 1))))) (< .cse94 5000000) .cse37 .cse13 (<= .cse32 (+ main_~y~0 14)) (<= 5000007 main_~z~0)) (and (exists ((aux_mod_v_main_~x~0_280_32 Int) (|v_main_#t~post8_153| Int) (|v_main_#t~post8_154| Int) (aux_div_v_main_~x~0_280_32 Int) (|v_main_#t~post7_76| Int) (|v_main_#t~post7_75| Int) (v_main_~z~0_183 Int)) (let ((.cse112 (* 4294967296 aux_div_v_main_~x~0_280_32)) (.cse111 (* aux_div_v_main_~x~0_280_32 4294967296))) (and (< aux_mod_v_main_~x~0_280_32 4294967296) (<= 0 aux_mod_v_main_~x~0_280_32) (or (let ((.cse108 (* 4294967296 (div v_main_~z~0_183 4294967296)))) (let ((.cse107 (div main_~y~0 4294967296)) (.cse110 (+ aux_mod_v_main_~x~0_280_32 .cse112 .cse108)) (.cse109 (* 4294967296 (div (+ aux_mod_v_main_~x~0_280_32 .cse111) 4294967296)))) (and (or (<= (+ v_main_~z~0_183 (* 4294967296 .cse107)) (+ main_~y~0 .cse108)) (<= (+ .cse109 v_main_~z~0_183) .cse110)) (< 0 (+ .cse107 1)) (< .cse110 (+ .cse109 v_main_~z~0_183 1))))) (<= (+ aux_mod_v_main_~x~0_280_32 .cse112 5000000) main_~y~0)) (< 0 (+ aux_div_v_main_~x~0_280_32 1)) (let ((.cse115 (= (+ v_main_~z~0_183 1) main_~z~0)) (.cse116 (= |v_main_#t~post7_76| |v_main_#t~post7_75|)) (.cse117 (= main_~x~0 (+ aux_mod_v_main_~x~0_280_32 .cse111 1))) (.cse113 (mod main_~y~0 4294967296)) (.cse114 (mod aux_mod_v_main_~x~0_280_32 4294967296)) (.cse118 (= |v_main_#t~post8_154| |v_main_#t~post8_153|))) (or (and (< (+ aux_mod_v_main_~x~0_280_32 .cse112 1) main_~x~0) (<= (div (+ .cse113 (* main_~x~0 (- 1)) 1) (- 4294967296)) (+ (div (+ aux_mod_v_main_~x~0_280_32 .cse111 (- 4294967295)) 4294967296) 1)) (= (+ main_~x~0 v_main_~z~0_183) (+ aux_mod_v_main_~x~0_280_32 main_~z~0 .cse111)) (< .cse114 .cse113) (<= 5000000 .cse114)) (and .cse115 .cse116 .cse117 .cse118) (and .cse115 .cse116 .cse117 (or (< .cse114 5000000) (<= .cse113 .cse114)) .cse118)))))) (<= 5000000 .cse33) (< .cse77 5000000) .cse13 (<= .cse32 (+ main_~y~0 2)) (<= 5000001 main_~z~0) (<= (div (+ .cse14 5000001) (- 4294967296)) 0))))) [2021-05-06 12:03:25,990 INFO L194 CegarLoopUtils]: At program point L11-2(lines 11 15) the Hoare annotation is: (let ((.cse5 (* main_~x~0 (- 1))) (.cse6 (+ main_~y~0 main_~z~0))) (let ((.cse8 (< 8 main_~x~0)) (.cse3 (mod (+ main_~x~0 4294967290) 4294967296)) (.cse9 (mod (+ main_~x~0 4294967289) 4294967296)) (.cse0 (<= 15000000 .cse6)) (.cse12 (mod (+ main_~x~0 4294967295) 4294967296)) (.cse1 (<= (+ main_~z~0 5000000) main_~y~0)) (.cse14 (mod (+ main_~x~0 4294967285) 4294967296)) (.cse30 (mod (+ main_~x~0 4294967286) 4294967296)) (.cse7 (* 2 main_~z~0)) (.cse16 (mod (+ main_~x~0 4294967293) 4294967296)) (.cse13 (mod (+ main_~x~0 4294967294) 4294967296)) (.cse4 (mod (+ main_~x~0 4294967291) 4294967296)) (.cse17 (mod (+ main_~x~0 4294967292) 4294967296)) (.cse11 (mod main_~y~0 4294967296)) (.cse10 (mod (+ main_~x~0 4294967288) 4294967296)) (.cse15 (<= (div (+ .cse5 5000009) (- 4294967296)) 0)) (.cse2 (<= main_~y~0 10000000)) (.cse31 (mod (+ main_~x~0 4294967287) 4294967296))) (or (and .cse0 .cse1 .cse2 (= main_~x~0 0)) (and (< .cse3 5000000) (<= 5000000 .cse4) (<= (div (+ .cse5 5000006) (- 4294967296)) 0) .cse2 (<= 15000005 .cse6) (<= .cse7 (+ main_~y~0 10)) .cse8) (and (<= 5000000 .cse9) (< .cse10 5000000) .cse2 (<= .cse7 (+ main_~y~0 14)) (<= 5000007 main_~z~0) (<= (div (+ .cse5 .cse11 8) (- 4294967296)) 0) .cse8) (and (<= 5000000 .cse12) (< .cse13 5000000) .cse2 (<= (div (+ .cse11 .cse5 2) (- 4294967296)) 0) (<= .cse7 (+ main_~y~0 2)) (<= 5000001 main_~z~0) (< 2 main_~x~0)) (and (< 14 main_~x~0) (<= (+ main_~z~0 4999989) main_~y~0) (< (mod (+ main_~x~0 4294967284) 4294967296) 5000000) .cse2 (<= 5000000 .cse14) (<= (div (+ .cse5 5000014) (- 4294967296)) 0) (<= 5000011 main_~z~0)) (and (<= 5000000 .cse3) (< 9 main_~x~0) (< .cse9 5000000) (<= .cse6 15000006) (<= 15000006 .cse6) (<= 10000000 main_~y~0) .cse15 .cse2) (and (<= 5000003 main_~z~0) (<= 5000000 .cse16) (< 4 main_~x~0) (<= (div (+ .cse5 5000004) (- 4294967296)) 0) .cse2 (< .cse17 5000000) (<= (+ main_~z~0 4999997) main_~y~0)) (and .cse0 (< .cse12 5000000) .cse1 .cse2 (or (and (< 1 main_~x~0) (<= (div (+ .cse5 5000001) (- 4294967296)) 0)) (= main_~x~0 1))) (and (exists ((aux_mod_v_main_~x~0_280_32 Int) (|v_main_#t~post8_153| Int) (|v_main_#t~post8_154| Int) (aux_div_v_main_~x~0_280_32 Int) (|v_main_#t~post7_76| Int) (|v_main_#t~post7_75| Int) (v_main_~z~0_183 Int)) (let ((.cse24 (* aux_div_v_main_~x~0_280_32 4294967296)) (.cse25 (* 4294967296 aux_div_v_main_~x~0_280_32))) (and (< aux_mod_v_main_~x~0_280_32 4294967296) (let ((.cse18 (= |v_main_#t~post7_76| |v_main_#t~post7_75|)) (.cse19 (= (+ v_main_~z~0_183 10) main_~z~0)) (.cse22 (= main_~x~0 (+ aux_mod_v_main_~x~0_280_32 .cse24 11))) (.cse23 (= |v_main_#t~post8_154| |v_main_#t~post8_153|)) (.cse20 (mod aux_mod_v_main_~x~0_280_32 4294967296)) (.cse21 (mod main_~y~0 4294967296))) (or (and .cse18 .cse19 (or (< .cse20 5000000) (<= .cse21 .cse20)) .cse22 .cse23) (and .cse18 .cse19 .cse22 .cse23) (and (= (+ main_~x~0 v_main_~z~0_183) (+ aux_mod_v_main_~x~0_280_32 main_~z~0 .cse24 1)) (< (+ aux_mod_v_main_~x~0_280_32 .cse25 11) main_~x~0) (< .cse20 .cse21) (<= 5000000 .cse20) (<= (div (+ .cse21 (* main_~x~0 (- 1)) 11) (- 4294967296)) (+ (div (+ aux_mod_v_main_~x~0_280_32 .cse24 (- 4294967295)) 4294967296) 1))))) (<= 0 aux_mod_v_main_~x~0_280_32) (or (let ((.cse27 (* 4294967296 (div v_main_~z~0_183 4294967296)))) (let ((.cse26 (div main_~y~0 4294967296)) (.cse29 (+ aux_mod_v_main_~x~0_280_32 .cse25 .cse27)) (.cse28 (* 4294967296 (div (+ aux_mod_v_main_~x~0_280_32 .cse24) 4294967296)))) (and (or (<= (+ v_main_~z~0_183 (* 4294967296 .cse26)) (+ main_~y~0 .cse27)) (<= (+ .cse28 v_main_~z~0_183) .cse29)) (< 0 (+ .cse26 1)) (< .cse29 (+ .cse28 v_main_~z~0_183 1))))) (<= (+ aux_mod_v_main_~x~0_280_32 .cse25 5000000) main_~y~0)) (< 0 (+ aux_div_v_main_~x~0_280_32 1))))) (< .cse14 5000000) (<= 15000010 .cse6) (<= (+ main_~z~0 4999990) main_~y~0) (<= 5000000 .cse30) .cse2 (<= (div (+ .cse11 .cse5 11) (- 4294967296)) 0)) (and (< 12 main_~x~0) (<= 5000000 .cse31) (< .cse30 5000000) .cse2 (<= (div (+ .cse11 .cse5 10) (- 4294967296)) 0) (<= .cse7 (+ main_~y~0 18)) (<= 15000009 .cse6)) (and (< .cse16 5000000) (<= 5000000 .cse13) (<= main_~z~0 5000002) (<= (div (+ .cse5 5000003) (- 4294967296)) 0) .cse2 (exists ((aux_mod_v_main_~x~0_280_32 Int) (|v_main_#t~post8_153| Int) (|v_main_#t~post8_154| Int) (aux_div_v_main_~x~0_280_32 Int) (|v_main_#t~post7_76| Int) (|v_main_#t~post7_75| Int) (v_main_~z~0_183 Int)) (let ((.cse32 (* aux_div_v_main_~x~0_280_32 4294967296)) (.cse35 (* 4294967296 aux_div_v_main_~x~0_280_32))) (and (let ((.cse33 (mod main_~y~0 4294967296)) (.cse34 (mod aux_mod_v_main_~x~0_280_32 4294967296)) (.cse36 (= |v_main_#t~post7_76| |v_main_#t~post7_75|)) (.cse37 (= main_~z~0 (+ v_main_~z~0_183 2))) (.cse38 (= (+ aux_mod_v_main_~x~0_280_32 .cse32 3) main_~x~0)) (.cse39 (= |v_main_#t~post8_154| |v_main_#t~post8_153|))) (or (and (= (+ main_~x~0 v_main_~z~0_183) (+ aux_mod_v_main_~x~0_280_32 main_~z~0 .cse32 1)) (<= (div (+ .cse33 (* main_~x~0 (- 1)) 3) (- 4294967296)) (+ (div (+ aux_mod_v_main_~x~0_280_32 .cse32 (- 4294967295)) 4294967296) 1)) (< .cse34 .cse33) (<= 5000000 .cse34) (< (+ aux_mod_v_main_~x~0_280_32 .cse35 3) main_~x~0)) (and .cse36 .cse37 .cse38 (or (< .cse34 5000000) (<= .cse33 .cse34)) .cse39) (and .cse36 .cse37 .cse38 .cse39))) (< aux_mod_v_main_~x~0_280_32 4294967296) (<= 0 aux_mod_v_main_~x~0_280_32) (or (let ((.cse41 (* 4294967296 (div v_main_~z~0_183 4294967296)))) (let ((.cse40 (div main_~y~0 4294967296)) (.cse43 (+ aux_mod_v_main_~x~0_280_32 .cse35 .cse41)) (.cse42 (* 4294967296 (div (+ aux_mod_v_main_~x~0_280_32 .cse32) 4294967296)))) (and (or (<= (+ v_main_~z~0_183 (* 4294967296 .cse40)) (+ main_~y~0 .cse41)) (<= (+ .cse42 v_main_~z~0_183) .cse43)) (< 0 (+ .cse40 1)) (< .cse43 (+ .cse42 v_main_~z~0_183 1))))) (<= (+ aux_mod_v_main_~x~0_280_32 .cse35 5000000) main_~y~0)) (< 0 (+ aux_div_v_main_~x~0_280_32 1))))) (<= 15000002 .cse6)) (and (< 7 main_~x~0) (< .cse4 5000000) .cse2 (<= 5000000 .cse17) (<= (div (+ .cse11 .cse5 5) (- 4294967296)) 0) (<= (+ main_~z~0 4999996) main_~y~0) (<= 15000004 .cse6)) (and (<= 15000008 .cse6) (<= 5000000 .cse10) .cse15 .cse2 (< .cse31 5000000) (exists ((aux_mod_v_main_~x~0_280_32 Int) (|v_main_#t~post8_153| Int) (|v_main_#t~post8_154| Int) (aux_div_v_main_~x~0_280_32 Int) (|v_main_#t~post7_76| Int) (|v_main_#t~post7_75| Int) (v_main_~z~0_183 Int)) (let ((.cse50 (* aux_div_v_main_~x~0_280_32 4294967296)) (.cse51 (* 4294967296 aux_div_v_main_~x~0_280_32))) (and (let ((.cse44 (= |v_main_#t~post7_76| |v_main_#t~post7_75|)) (.cse45 (= |v_main_#t~post8_154| |v_main_#t~post8_153|)) (.cse46 (= main_~x~0 (+ aux_mod_v_main_~x~0_280_32 .cse50 9))) (.cse47 (= main_~z~0 (+ v_main_~z~0_183 8))) (.cse49 (mod main_~y~0 4294967296)) (.cse48 (mod aux_mod_v_main_~x~0_280_32 4294967296))) (or (and .cse44 .cse45 .cse46 .cse47) (and .cse44 (or (< .cse48 5000000) (<= .cse49 .cse48)) .cse45 .cse46 .cse47) (and (= (+ main_~x~0 v_main_~z~0_183) (+ aux_mod_v_main_~x~0_280_32 main_~z~0 .cse50 1)) (<= (div (+ .cse49 (* main_~x~0 (- 1)) 9) (- 4294967296)) (+ (div (+ aux_mod_v_main_~x~0_280_32 .cse50 (- 4294967295)) 4294967296) 1)) (< .cse48 .cse49) (<= 5000000 .cse48) (< (+ aux_mod_v_main_~x~0_280_32 .cse51 9) main_~x~0)))) (< aux_mod_v_main_~x~0_280_32 4294967296) (<= 0 aux_mod_v_main_~x~0_280_32) (or (let ((.cse53 (* 4294967296 (div v_main_~z~0_183 4294967296)))) (let ((.cse52 (div main_~y~0 4294967296)) (.cse55 (+ aux_mod_v_main_~x~0_280_32 .cse51 .cse53)) (.cse54 (* 4294967296 (div (+ aux_mod_v_main_~x~0_280_32 .cse50) 4294967296)))) (and (or (<= (+ v_main_~z~0_183 (* 4294967296 .cse52)) (+ main_~y~0 .cse53)) (<= (+ .cse54 v_main_~z~0_183) .cse55)) (< 0 (+ .cse52 1)) (< .cse55 (+ .cse54 v_main_~z~0_183 1))))) (<= (+ aux_mod_v_main_~x~0_280_32 .cse51 5000000) main_~y~0)) (< 0 (+ aux_div_v_main_~x~0_280_32 1))))) (<= (+ main_~z~0 4999992) main_~y~0))))) [2021-05-06 12:03:25,990 INFO L194 CegarLoopUtils]: At program point L11-3(lines 11 15) the Hoare annotation is: false [2021-05-06 12:03:25,990 INFO L201 CegarLoopUtils]: At program point L4-3(line 4) the Hoare annotation is: true [2021-05-06 12:03:25,990 INFO L201 CegarLoopUtils]: At program point __VERIFIER_assertENTRY(line 4) the Hoare annotation is: true [2021-05-06 12:03:25,990 INFO L201 CegarLoopUtils]: At program point __VERIFIER_assertEXIT(line 4) the Hoare annotation is: true [2021-05-06 12:03:25,990 INFO L194 CegarLoopUtils]: At program point L4(line 4) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (not (= __VERIFIER_assert_~cond 0))) [2021-05-06 12:03:25,991 INFO L194 CegarLoopUtils]: At program point L4-1(line 4) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2021-05-06 12:03:25,991 INFO L194 CegarLoopUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) the Hoare annotation is: (= |__VERIFIER_assert_#in~cond| 0) [2021-05-06 12:03:26,019 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,019 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_76,QUANTIFIED] [2021-05-06 12:03:26,019 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_75,QUANTIFIED] [2021-05-06 12:03:26,019 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,020 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,020 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,020 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,020 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,020 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_154,QUANTIFIED] [2021-05-06 12:03:26,020 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_153,QUANTIFIED] [2021-05-06 12:03:26,020 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_76,QUANTIFIED] [2021-05-06 12:03:26,020 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_75,QUANTIFIED] [2021-05-06 12:03:26,020 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,020 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,021 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,021 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_154,QUANTIFIED] [2021-05-06 12:03:26,021 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_153,QUANTIFIED] [2021-05-06 12:03:26,021 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,021 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,021 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,021 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,021 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,021 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,021 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,022 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,022 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,022 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,022 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,022 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,022 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,022 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,022 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,022 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,023 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,023 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,023 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,023 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,023 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,023 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,023 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,023 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,023 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,023 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,023 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,024 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,024 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,024 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,024 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,024 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,024 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,024 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,024 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,024 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,024 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_76,QUANTIFIED] [2021-05-06 12:03:26,025 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_75,QUANTIFIED] [2021-05-06 12:03:26,025 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,025 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,025 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,025 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,025 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,025 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_154,QUANTIFIED] [2021-05-06 12:03:26,025 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_153,QUANTIFIED] [2021-05-06 12:03:26,025 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_76,QUANTIFIED] [2021-05-06 12:03:26,025 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_75,QUANTIFIED] [2021-05-06 12:03:26,025 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,026 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,026 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,026 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_154,QUANTIFIED] [2021-05-06 12:03:26,026 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_153,QUANTIFIED] [2021-05-06 12:03:26,026 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,026 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,026 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,026 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,026 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,026 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,026 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,026 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,026 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,027 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,027 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,027 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,027 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,027 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,027 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,027 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,027 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,027 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,027 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,027 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_76,QUANTIFIED] [2021-05-06 12:03:26,027 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_75,QUANTIFIED] [2021-05-06 12:03:26,028 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_154,QUANTIFIED] [2021-05-06 12:03:26,028 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_153,QUANTIFIED] [2021-05-06 12:03:26,028 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,028 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,028 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,028 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_76,QUANTIFIED] [2021-05-06 12:03:26,028 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_75,QUANTIFIED] [2021-05-06 12:03:26,028 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,028 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,041 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_154,QUANTIFIED] [2021-05-06 12:03:26,041 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_153,QUANTIFIED] [2021-05-06 12:03:26,041 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,042 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,042 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,042 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,043 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,043 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,043 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,043 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,043 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,043 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,043 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,043 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,043 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,043 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,043 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,043 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,044 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,044 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,044 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,044 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,044 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,044 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,044 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,044 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,044 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,044 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,044 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,054 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,054 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,054 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,054 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,071 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,071 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_76,QUANTIFIED] [2021-05-06 12:03:26,071 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_75,QUANTIFIED] [2021-05-06 12:03:26,072 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,072 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,072 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,072 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,072 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,072 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_154,QUANTIFIED] [2021-05-06 12:03:26,072 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_153,QUANTIFIED] [2021-05-06 12:03:26,072 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_76,QUANTIFIED] [2021-05-06 12:03:26,072 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_75,QUANTIFIED] [2021-05-06 12:03:26,072 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,073 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,073 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,073 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_154,QUANTIFIED] [2021-05-06 12:03:26,073 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_153,QUANTIFIED] [2021-05-06 12:03:26,073 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,073 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,073 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,073 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,073 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,073 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,073 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,074 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,074 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,074 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,074 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,074 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,074 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,074 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,074 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,074 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,074 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,074 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,075 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,075 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,075 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,075 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,075 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,075 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,075 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,075 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,075 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,083 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,084 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,084 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,084 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,084 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,084 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,084 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,084 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,085 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,085 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_76,QUANTIFIED] [2021-05-06 12:03:26,085 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_75,QUANTIFIED] [2021-05-06 12:03:26,085 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,085 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,085 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,085 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,085 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,085 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_154,QUANTIFIED] [2021-05-06 12:03:26,085 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_153,QUANTIFIED] [2021-05-06 12:03:26,085 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_76,QUANTIFIED] [2021-05-06 12:03:26,085 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_75,QUANTIFIED] [2021-05-06 12:03:26,086 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,086 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,086 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,086 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_154,QUANTIFIED] [2021-05-06 12:03:26,086 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_153,QUANTIFIED] [2021-05-06 12:03:26,086 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,086 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,086 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,086 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,086 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,086 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,086 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,087 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,087 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,087 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,087 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,087 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,087 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,087 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,087 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,087 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,087 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,087 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,087 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,087 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_76,QUANTIFIED] [2021-05-06 12:03:26,088 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_75,QUANTIFIED] [2021-05-06 12:03:26,088 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_154,QUANTIFIED] [2021-05-06 12:03:26,088 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_153,QUANTIFIED] [2021-05-06 12:03:26,088 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,092 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,093 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,093 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_76,QUANTIFIED] [2021-05-06 12:03:26,093 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_75,QUANTIFIED] [2021-05-06 12:03:26,093 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,093 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,093 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_154,QUANTIFIED] [2021-05-06 12:03:26,093 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_153,QUANTIFIED] [2021-05-06 12:03:26,093 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,093 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,093 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,093 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,093 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,094 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,094 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,094 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,094 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,094 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,094 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,094 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,094 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,094 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,094 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,094 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,094 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,095 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,095 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,095 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,095 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,096 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,096 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,096 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,096 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,096 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,097 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,097 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,097 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,097 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,097 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.05 12:03:26 BoogieIcfgContainer [2021-05-06 12:03:26,101 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-05-06 12:03:26,101 INFO L168 Benchmark]: Toolchain (without parser) took 533631.89 ms. Allocated memory was 192.9 MB in the beginning and 278.9 MB in the end (delta: 86.0 MB). Free memory was 157.7 MB in the beginning and 242.0 MB in the end (delta: -84.4 MB). Peak memory consumption was 169.5 MB. Max. memory is 8.0 GB. [2021-05-06 12:03:26,101 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 192.9 MB. Free memory was 174.1 MB in the beginning and 174.0 MB in the end (delta: 107.0 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-05-06 12:03:26,102 INFO L168 Benchmark]: CACSL2BoogieTranslator took 140.20 ms. Allocated memory is still 192.9 MB. Free memory was 157.5 MB in the beginning and 176.4 MB in the end (delta: -19.0 MB). Peak memory consumption was 12.3 MB. Max. memory is 8.0 GB. [2021-05-06 12:03:26,102 INFO L168 Benchmark]: Boogie Preprocessor took 55.92 ms. Allocated memory is still 192.9 MB. Free memory was 176.4 MB in the beginning and 176.8 MB in the end (delta: -358.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-05-06 12:03:26,102 INFO L168 Benchmark]: RCFGBuilder took 325.99 ms. Allocated memory is still 192.9 MB. Free memory was 176.8 MB in the beginning and 163.4 MB in the end (delta: 13.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-05-06 12:03:26,102 INFO L168 Benchmark]: TraceAbstraction took 533103.48 ms. Allocated memory was 192.9 MB in the beginning and 278.9 MB in the end (delta: 86.0 MB). Free memory was 162.9 MB in the beginning and 242.0 MB in the end (delta: -79.2 MB). Peak memory consumption was 175.1 MB. Max. memory is 8.0 GB. [2021-05-06 12:03:26,102 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 192.9 MB. Free memory was 174.1 MB in the beginning and 174.0 MB in the end (delta: 107.0 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 140.20 ms. Allocated memory is still 192.9 MB. Free memory was 157.5 MB in the beginning and 176.4 MB in the end (delta: -19.0 MB). Peak memory consumption was 12.3 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 55.92 ms. Allocated memory is still 192.9 MB. Free memory was 176.4 MB in the beginning and 176.8 MB in the end (delta: -358.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 325.99 ms. Allocated memory is still 192.9 MB. Free memory was 176.8 MB in the beginning and 163.4 MB in the end (delta: 13.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 533103.48 ms. Allocated memory was 192.9 MB in the beginning and 278.9 MB in the end (delta: 86.0 MB). Free memory was 162.9 MB in the beginning and 242.0 MB in the end (delta: -79.2 MB). Peak memory consumption was 175.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_76,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_75,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_154,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_153,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_76,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_75,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_154,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_153,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_76,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_75,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_154,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_153,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_76,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_75,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_154,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_153,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_76,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_75,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_154,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_153,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_76,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_75,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_154,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_153,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_76,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_75,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_154,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_153,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_76,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_75,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_154,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_153,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_76,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_75,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_154,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_153,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_76,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_75,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_154,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_153,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_76,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_75,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_154,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_153,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_76,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_75,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_154,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_153,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 24 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 458290.9ms, OverallIterations: 30, TraceHistogramMax: 28, EmptinessCheckTime: 17.8ms, AutomataDifference: 107621.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 74664.7ms, InitialAbstractionConstructionTime: 8.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 304 SDtfs, 1161 SDslu, 3469 SDs, 0 SdLazy, 41510 SolverSat, 1167 SolverUnsat, 171 SolverUnknown, 0 SolverNotchecked, 42011.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2309 GetRequests, 130 SyntacticMatches, 354 SemanticMatches, 1825 ConstructedPredicates, 11 IntricatePredicates, 0 DeprecatedPredicates, 34591 ImplicationChecksByTransitivity, 311696.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=97occurred in iteration=29, InterpolantAutomatonStates: 825, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 344.7ms AutomataMinimizationTime, 30 MinimizatonAttempts, 29 StatesRemovedByMinimization, 28 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 21 LocationsWithAnnotation, 201 PreInvPairs, 321 NumberOfFragments, 5374 HoareAnnotationTreeSize, 201 FomulaSimplifications, 58552608747 FormulaSimplificationTreeSizeReduction, 677.8ms HoareSimplificationTime, 21 FomulaSimplificationsInter, 15387190239 FormulaSimplificationTreeSizeReductionInter, 73969.0ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 11]: Loop Invariant [2021-05-06 12:03:26,109 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,109 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_76,QUANTIFIED] [2021-05-06 12:03:26,109 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_75,QUANTIFIED] [2021-05-06 12:03:26,109 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,109 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,109 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,109 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,110 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,110 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_154,QUANTIFIED] [2021-05-06 12:03:26,110 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_153,QUANTIFIED] [2021-05-06 12:03:26,110 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_76,QUANTIFIED] [2021-05-06 12:03:26,110 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_75,QUANTIFIED] [2021-05-06 12:03:26,110 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,110 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,110 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,110 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_154,QUANTIFIED] [2021-05-06 12:03:26,110 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_153,QUANTIFIED] [2021-05-06 12:03:26,110 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,110 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,111 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,111 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,111 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,111 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,111 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,111 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,111 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,111 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,111 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,111 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,111 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,111 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,112 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,112 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,112 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,112 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,112 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,112 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,112 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,112 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,112 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,112 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,112 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,112 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,113 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,113 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,113 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,113 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,113 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,113 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,113 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,113 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,113 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,113 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,113 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_76,QUANTIFIED] [2021-05-06 12:03:26,113 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_75,QUANTIFIED] [2021-05-06 12:03:26,113 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,114 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,114 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,114 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,114 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,114 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_154,QUANTIFIED] [2021-05-06 12:03:26,114 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_153,QUANTIFIED] [2021-05-06 12:03:26,114 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_76,QUANTIFIED] [2021-05-06 12:03:26,114 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_75,QUANTIFIED] [2021-05-06 12:03:26,114 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,114 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,114 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,114 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_154,QUANTIFIED] [2021-05-06 12:03:26,114 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_153,QUANTIFIED] [2021-05-06 12:03:26,114 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,114 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,115 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,115 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,115 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,115 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,115 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,115 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,115 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,115 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,115 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,115 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,115 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,115 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,115 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,115 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,115 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,116 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,116 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,116 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_76,QUANTIFIED] [2021-05-06 12:03:26,116 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_75,QUANTIFIED] [2021-05-06 12:03:26,116 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_154,QUANTIFIED] [2021-05-06 12:03:26,116 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_153,QUANTIFIED] [2021-05-06 12:03:26,116 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,116 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,133 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,134 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_76,QUANTIFIED] [2021-05-06 12:03:26,134 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_75,QUANTIFIED] [2021-05-06 12:03:26,134 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,134 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,134 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_154,QUANTIFIED] [2021-05-06 12:03:26,134 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_153,QUANTIFIED] [2021-05-06 12:03:26,134 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,134 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,134 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,134 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,134 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,134 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,134 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,134 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,135 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,135 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,135 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,135 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,135 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,135 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,135 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,135 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,135 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,136 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,136 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,136 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,136 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,136 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,136 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,136 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,136 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,136 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,136 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,136 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,137 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,137 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,137 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,138 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,138 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_76,QUANTIFIED] [2021-05-06 12:03:26,138 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_75,QUANTIFIED] [2021-05-06 12:03:26,138 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,138 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,138 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,138 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,138 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,138 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_154,QUANTIFIED] [2021-05-06 12:03:26,138 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_153,QUANTIFIED] [2021-05-06 12:03:26,139 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_76,QUANTIFIED] [2021-05-06 12:03:26,139 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_75,QUANTIFIED] [2021-05-06 12:03:26,139 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,139 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,139 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,139 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_154,QUANTIFIED] [2021-05-06 12:03:26,139 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_153,QUANTIFIED] [2021-05-06 12:03:26,139 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,139 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,139 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,139 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,139 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,140 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,140 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,140 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,140 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,140 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,140 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,140 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,140 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,140 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,140 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,140 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,140 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,140 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,141 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,141 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,141 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,141 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,141 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,141 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,141 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,141 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,141 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,141 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,141 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,141 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,141 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,142 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,142 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,142 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,142 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,142 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,142 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_76,QUANTIFIED] [2021-05-06 12:03:26,142 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_75,QUANTIFIED] [2021-05-06 12:03:26,142 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,142 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,142 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,142 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,142 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,142 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_154,QUANTIFIED] [2021-05-06 12:03:26,142 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_153,QUANTIFIED] [2021-05-06 12:03:26,143 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_76,QUANTIFIED] [2021-05-06 12:03:26,143 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_75,QUANTIFIED] [2021-05-06 12:03:26,143 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,143 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,143 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,143 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_154,QUANTIFIED] [2021-05-06 12:03:26,143 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_153,QUANTIFIED] [2021-05-06 12:03:26,143 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,143 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,143 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,143 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,143 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,143 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,143 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,143 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,143 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,144 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,144 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,144 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,144 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,144 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,144 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,144 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,144 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,144 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,144 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,144 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_76,QUANTIFIED] [2021-05-06 12:03:26,144 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_75,QUANTIFIED] [2021-05-06 12:03:26,144 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_154,QUANTIFIED] [2021-05-06 12:03:26,144 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_153,QUANTIFIED] [2021-05-06 12:03:26,144 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,145 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,145 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,145 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_76,QUANTIFIED] [2021-05-06 12:03:26,145 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post7_75,QUANTIFIED] [2021-05-06 12:03:26,145 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,145 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,145 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_154,QUANTIFIED] [2021-05-06 12:03:26,145 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_#t~post8_153,QUANTIFIED] [2021-05-06 12:03:26,145 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,145 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,145 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,145 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,145 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,145 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,145 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,146 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,146 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,146 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,146 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,146 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,146 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,146 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,146 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,146 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,146 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,146 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,146 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,146 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,146 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,146 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,146 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,147 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,147 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,147 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,147 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,147 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~z~0_183,QUANTIFIED] [2021-05-06 12:03:26,147 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_mod_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,147 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] [2021-05-06 12:03:26,147 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[aux_div_v_main_~x~0_280_32,QUANTIFIED] Derived loop invariant: ((((((((((((((15000000 <= y + z && z + 5000000 <= y) && y <= 10000000) && x == 0) || (((((((x + 4294967290) % 4294967296 < 5000000 && 5000000 <= (x + 4294967291) % 4294967296) && (x * -1 + 5000006) / -4294967296 <= 0) && y <= 10000000) && 15000005 <= y + z) && 2 * z <= y + 10) && 8 < x)) || ((((((5000000 <= (x + 4294967289) % 4294967296 && (x + 4294967288) % 4294967296 < 5000000) && y <= 10000000) && 2 * z <= y + 14) && 5000007 <= z) && (x * -1 + y % 4294967296 + 8) / -4294967296 <= 0) && 8 < x)) || ((((((5000000 <= (x + 4294967295) % 4294967296 && (x + 4294967294) % 4294967296 < 5000000) && y <= 10000000) && (y % 4294967296 + x * -1 + 2) / -4294967296 <= 0) && 2 * z <= y + 2) && 5000001 <= z) && 2 < x)) || ((((((14 < x && z + 4999989 <= y) && (x + 4294967284) % 4294967296 < 5000000) && y <= 10000000) && 5000000 <= (x + 4294967285) % 4294967296) && (x * -1 + 5000014) / -4294967296 <= 0) && 5000011 <= z)) || (((((((5000000 <= (x + 4294967290) % 4294967296 && 9 < x) && (x + 4294967289) % 4294967296 < 5000000) && y + z <= 15000006) && 15000006 <= y + z) && 10000000 <= y) && (x * -1 + 5000009) / -4294967296 <= 0) && y <= 10000000)) || ((((((5000003 <= z && 5000000 <= (x + 4294967293) % 4294967296) && 4 < x) && (x * -1 + 5000004) / -4294967296 <= 0) && y <= 10000000) && (x + 4294967292) % 4294967296 < 5000000) && z + 4999997 <= y)) || ((((15000000 <= y + z && (x + 4294967295) % 4294967296 < 5000000) && z + 5000000 <= y) && y <= 10000000) && ((1 < x && (x * -1 + 5000001) / -4294967296 <= 0) || x == 1))) || (((((((\exists aux_mod_v_main_~x~0_280_32 : int, v_main_#t~post8_153 : int, v_main_#t~post8_154 : int, aux_div_v_main_~x~0_280_32 : int, v_main_#t~post7_76 : int, v_main_#t~post7_75 : int, v_main_~z~0_183 : int :: (((aux_mod_v_main_~x~0_280_32 < 4294967296 && ((((((v_main_#t~post7_76 == v_main_#t~post7_75 && v_main_~z~0_183 + 10 == z) && (aux_mod_v_main_~x~0_280_32 % 4294967296 < 5000000 || y % 4294967296 <= aux_mod_v_main_~x~0_280_32 % 4294967296)) && x == aux_mod_v_main_~x~0_280_32 + aux_div_v_main_~x~0_280_32 * 4294967296 + 11) && v_main_#t~post8_154 == v_main_#t~post8_153) || (((v_main_#t~post7_76 == v_main_#t~post7_75 && v_main_~z~0_183 + 10 == z) && x == aux_mod_v_main_~x~0_280_32 + aux_div_v_main_~x~0_280_32 * 4294967296 + 11) && v_main_#t~post8_154 == v_main_#t~post8_153)) || ((((x + v_main_~z~0_183 == aux_mod_v_main_~x~0_280_32 + z + aux_div_v_main_~x~0_280_32 * 4294967296 + 1 && aux_mod_v_main_~x~0_280_32 + 4294967296 * aux_div_v_main_~x~0_280_32 + 11 < x) && aux_mod_v_main_~x~0_280_32 % 4294967296 < y % 4294967296) && 5000000 <= aux_mod_v_main_~x~0_280_32 % 4294967296) && (y % 4294967296 + x * -1 + 11) / -4294967296 <= (aux_mod_v_main_~x~0_280_32 + aux_div_v_main_~x~0_280_32 * 4294967296 + -4294967295) / 4294967296 + 1))) && 0 <= aux_mod_v_main_~x~0_280_32) && ((((v_main_~z~0_183 + 4294967296 * (y / 4294967296) <= y + 4294967296 * (v_main_~z~0_183 / 4294967296) || 4294967296 * ((aux_mod_v_main_~x~0_280_32 + aux_div_v_main_~x~0_280_32 * 4294967296) / 4294967296) + v_main_~z~0_183 <= aux_mod_v_main_~x~0_280_32 + 4294967296 * aux_div_v_main_~x~0_280_32 + 4294967296 * (v_main_~z~0_183 / 4294967296)) && 0 < y / 4294967296 + 1) && aux_mod_v_main_~x~0_280_32 + 4294967296 * aux_div_v_main_~x~0_280_32 + 4294967296 * (v_main_~z~0_183 / 4294967296) < 4294967296 * ((aux_mod_v_main_~x~0_280_32 + aux_div_v_main_~x~0_280_32 * 4294967296) / 4294967296) + v_main_~z~0_183 + 1) || aux_mod_v_main_~x~0_280_32 + 4294967296 * aux_div_v_main_~x~0_280_32 + 5000000 <= y)) && 0 < aux_div_v_main_~x~0_280_32 + 1) && (x + 4294967285) % 4294967296 < 5000000) && 15000010 <= y + z) && z + 4999990 <= y) && 5000000 <= (x + 4294967286) % 4294967296) && y <= 10000000) && (y % 4294967296 + x * -1 + 11) / -4294967296 <= 0)) || ((((((12 < x && 5000000 <= (x + 4294967287) % 4294967296) && (x + 4294967286) % 4294967296 < 5000000) && y <= 10000000) && (y % 4294967296 + x * -1 + 10) / -4294967296 <= 0) && 2 * z <= y + 18) && 15000009 <= y + z)) || (((((((x + 4294967293) % 4294967296 < 5000000 && 5000000 <= (x + 4294967294) % 4294967296) && z <= 5000002) && (x * -1 + 5000003) / -4294967296 <= 0) && y <= 10000000) && (\exists aux_mod_v_main_~x~0_280_32 : int, v_main_#t~post8_153 : int, v_main_#t~post8_154 : int, aux_div_v_main_~x~0_280_32 : int, v_main_#t~post7_76 : int, v_main_#t~post7_75 : int, v_main_~z~0_183 : int :: (((((((((x + v_main_~z~0_183 == aux_mod_v_main_~x~0_280_32 + z + aux_div_v_main_~x~0_280_32 * 4294967296 + 1 && (y % 4294967296 + x * -1 + 3) / -4294967296 <= (aux_mod_v_main_~x~0_280_32 + aux_div_v_main_~x~0_280_32 * 4294967296 + -4294967295) / 4294967296 + 1) && aux_mod_v_main_~x~0_280_32 % 4294967296 < y % 4294967296) && 5000000 <= aux_mod_v_main_~x~0_280_32 % 4294967296) && aux_mod_v_main_~x~0_280_32 + 4294967296 * aux_div_v_main_~x~0_280_32 + 3 < x) || ((((v_main_#t~post7_76 == v_main_#t~post7_75 && z == v_main_~z~0_183 + 2) && aux_mod_v_main_~x~0_280_32 + aux_div_v_main_~x~0_280_32 * 4294967296 + 3 == x) && (aux_mod_v_main_~x~0_280_32 % 4294967296 < 5000000 || y % 4294967296 <= aux_mod_v_main_~x~0_280_32 % 4294967296)) && v_main_#t~post8_154 == v_main_#t~post8_153)) || (((v_main_#t~post7_76 == v_main_#t~post7_75 && z == v_main_~z~0_183 + 2) && aux_mod_v_main_~x~0_280_32 + aux_div_v_main_~x~0_280_32 * 4294967296 + 3 == x) && v_main_#t~post8_154 == v_main_#t~post8_153)) && aux_mod_v_main_~x~0_280_32 < 4294967296) && 0 <= aux_mod_v_main_~x~0_280_32) && ((((v_main_~z~0_183 + 4294967296 * (y / 4294967296) <= y + 4294967296 * (v_main_~z~0_183 / 4294967296) || 4294967296 * ((aux_mod_v_main_~x~0_280_32 + aux_div_v_main_~x~0_280_32 * 4294967296) / 4294967296) + v_main_~z~0_183 <= aux_mod_v_main_~x~0_280_32 + 4294967296 * aux_div_v_main_~x~0_280_32 + 4294967296 * (v_main_~z~0_183 / 4294967296)) && 0 < y / 4294967296 + 1) && aux_mod_v_main_~x~0_280_32 + 4294967296 * aux_div_v_main_~x~0_280_32 + 4294967296 * (v_main_~z~0_183 / 4294967296) < 4294967296 * ((aux_mod_v_main_~x~0_280_32 + aux_div_v_main_~x~0_280_32 * 4294967296) / 4294967296) + v_main_~z~0_183 + 1) || aux_mod_v_main_~x~0_280_32 + 4294967296 * aux_div_v_main_~x~0_280_32 + 5000000 <= y)) && 0 < aux_div_v_main_~x~0_280_32 + 1)) && 15000002 <= y + z)) || ((((((7 < x && (x + 4294967291) % 4294967296 < 5000000) && y <= 10000000) && 5000000 <= (x + 4294967292) % 4294967296) && (y % 4294967296 + x * -1 + 5) / -4294967296 <= 0) && z + 4999996 <= y) && 15000004 <= y + z)) || ((((((15000008 <= y + z && 5000000 <= (x + 4294967288) % 4294967296) && (x * -1 + 5000009) / -4294967296 <= 0) && y <= 10000000) && (x + 4294967287) % 4294967296 < 5000000) && (\exists aux_mod_v_main_~x~0_280_32 : int, v_main_#t~post8_153 : int, v_main_#t~post8_154 : int, aux_div_v_main_~x~0_280_32 : int, v_main_#t~post7_76 : int, v_main_#t~post7_75 : int, v_main_~z~0_183 : int :: ((((((((v_main_#t~post7_76 == v_main_#t~post7_75 && v_main_#t~post8_154 == v_main_#t~post8_153) && x == aux_mod_v_main_~x~0_280_32 + aux_div_v_main_~x~0_280_32 * 4294967296 + 9) && z == v_main_~z~0_183 + 8) || ((((v_main_#t~post7_76 == v_main_#t~post7_75 && (aux_mod_v_main_~x~0_280_32 % 4294967296 < 5000000 || y % 4294967296 <= aux_mod_v_main_~x~0_280_32 % 4294967296)) && v_main_#t~post8_154 == v_main_#t~post8_153) && x == aux_mod_v_main_~x~0_280_32 + aux_div_v_main_~x~0_280_32 * 4294967296 + 9) && z == v_main_~z~0_183 + 8)) || ((((x + v_main_~z~0_183 == aux_mod_v_main_~x~0_280_32 + z + aux_div_v_main_~x~0_280_32 * 4294967296 + 1 && (y % 4294967296 + x * -1 + 9) / -4294967296 <= (aux_mod_v_main_~x~0_280_32 + aux_div_v_main_~x~0_280_32 * 4294967296 + -4294967295) / 4294967296 + 1) && aux_mod_v_main_~x~0_280_32 % 4294967296 < y % 4294967296) && 5000000 <= aux_mod_v_main_~x~0_280_32 % 4294967296) && aux_mod_v_main_~x~0_280_32 + 4294967296 * aux_div_v_main_~x~0_280_32 + 9 < x)) && aux_mod_v_main_~x~0_280_32 < 4294967296) && 0 <= aux_mod_v_main_~x~0_280_32) && ((((v_main_~z~0_183 + 4294967296 * (y / 4294967296) <= y + 4294967296 * (v_main_~z~0_183 / 4294967296) || 4294967296 * ((aux_mod_v_main_~x~0_280_32 + aux_div_v_main_~x~0_280_32 * 4294967296) / 4294967296) + v_main_~z~0_183 <= aux_mod_v_main_~x~0_280_32 + 4294967296 * aux_div_v_main_~x~0_280_32 + 4294967296 * (v_main_~z~0_183 / 4294967296)) && 0 < y / 4294967296 + 1) && aux_mod_v_main_~x~0_280_32 + 4294967296 * aux_div_v_main_~x~0_280_32 + 4294967296 * (v_main_~z~0_183 / 4294967296) < 4294967296 * ((aux_mod_v_main_~x~0_280_32 + aux_div_v_main_~x~0_280_32 * 4294967296) / 4294967296) + v_main_~z~0_183 + 1) || aux_mod_v_main_~x~0_280_32 + 4294967296 * aux_div_v_main_~x~0_280_32 + 5000000 <= y)) && 0 < aux_div_v_main_~x~0_280_32 + 1)) && z + 4999992 <= y) - ProcedureContractResult [Line: 6]: Procedure Contract for main Derived contract for procedure main: 1 - ProcedureContractResult [Line: 4]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert: 1 RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...