/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 21:58:07,977 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 21:58:07,984 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 21:58:08,061 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-23 21:58:08,061 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-23 21:58:08,067 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-23 21:58:08,071 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-23 21:58:08,081 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-23 21:58:08,085 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-23 21:58:08,092 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-23 21:58:08,093 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-23 21:58:08,095 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-23 21:58:08,095 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-23 21:58:08,099 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-23 21:58:08,101 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-23 21:58:08,103 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-23 21:58:08,103 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-23 21:58:08,104 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-23 21:58:08,110 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-23 21:58:08,119 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-23 21:58:08,121 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-23 21:58:08,126 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-23 21:58:08,127 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-23 21:58:08,128 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-23 21:58:08,131 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-23 21:58:08,140 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 21:58:08,142 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 21:58:08,142 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 21:58:08,144 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-10-23 21:58:08,158 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 21:58:08,159 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 21:58:08,161 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 21:58:08,161 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 21:58:08,161 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 21:58:08,161 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 21:58:08,162 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 21:58:08,162 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 21:58:08,162 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 21:58:08,162 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 21:58:08,162 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 21:58:08,163 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 21:58:08,163 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 21:58:08,163 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 21:58:08,163 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 21:58:08,164 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-23 21:58:08,164 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 21:58:08,164 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 21:58:08,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 21:58:08,164 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 21:58:08,165 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-23 21:58:08,165 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 21:58:08,165 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-10-23 21:58:08,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 21:58:08,591 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 21:58:08,597 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 21:58:08,599 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 21:58:08,600 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 21:58:08,601 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c [2020-10-23 21:58:08,709 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1d296e0e/e40be320333945af9ee4844a1db73afd/FLAGebf0a49b2 [2020-10-23 21:58:09,400 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 21:58:09,400 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/SpamAssassin-loop.i.v+cfa-reducer.c [2020-10-23 21:58:09,417 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1d296e0e/e40be320333945af9ee4844a1db73afd/FLAGebf0a49b2 [2020-10-23 21:58:09,690 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1d296e0e/e40be320333945af9ee4844a1db73afd [2020-10-23 21:58:09,700 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 21:58:09,711 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 21:58:09,718 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 21:58:09,718 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 21:58:09,722 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 21:58:09,724 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 09:58:09" (1/1) ... [2020-10-23 21:58:09,728 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b40d912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:58:09, skipping insertion in model container [2020-10-23 21:58:09,729 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 09:58:09" (1/1) ... [2020-10-23 21:58:09,740 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 21:58:09,796 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 21:58:09,993 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 21:58:10,004 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 21:58:10,051 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 21:58:10,086 INFO L208 MainTranslator]: Completed translation [2020-10-23 21:58:10,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:58:10 WrapperNode [2020-10-23 21:58:10,087 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 21:58:10,088 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 21:58:10,088 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 21:58:10,088 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 21:58:10,105 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:58:10" (1/1) ... [2020-10-23 21:58:10,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:58:10" (1/1) ... [2020-10-23 21:58:10,130 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:58:10" (1/1) ... [2020-10-23 21:58:10,130 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:58:10" (1/1) ... [2020-10-23 21:58:10,156 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:58:10" (1/1) ... [2020-10-23 21:58:10,163 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:58:10" (1/1) ... [2020-10-23 21:58:10,169 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:58:10" (1/1) ... [2020-10-23 21:58:10,177 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 21:58:10,182 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 21:58:10,182 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 21:58:10,182 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 21:58:10,185 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:58:10" (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 [2020-10-23 21:58:10,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 21:58:10,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 21:58:10,288 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 21:58:10,288 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-23 21:58:10,288 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 21:58:10,288 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 21:58:10,288 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 21:58:10,289 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 21:58:10,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 21:58:10,289 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-23 21:58:10,289 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-23 21:58:10,289 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 21:58:10,289 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 21:58:10,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 21:58:10,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 21:58:10,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 21:58:10,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 21:58:10,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 21:58:10,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 21:58:11,200 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 21:58:11,200 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-23 21:58:11,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 09:58:11 BoogieIcfgContainer [2020-10-23 21:58:11,204 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 21:58:11,205 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 21:58:11,206 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 21:58:11,209 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 21:58:11,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 09:58:09" (1/3) ... [2020-10-23 21:58:11,211 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7422e3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 09:58:11, skipping insertion in model container [2020-10-23 21:58:11,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 09:58:10" (2/3) ... [2020-10-23 21:58:11,212 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7422e3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 09:58:11, skipping insertion in model container [2020-10-23 21:58:11,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 09:58:11" (3/3) ... [2020-10-23 21:58:11,214 INFO L111 eAbstractionObserver]: Analyzing ICFG SpamAssassin-loop.i.v+cfa-reducer.c [2020-10-23 21:58:11,227 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-23 21:58:11,233 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-23 21:58:11,247 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-23 21:58:11,271 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 21:58:11,272 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 21:58:11,272 INFO L379 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-10-23 21:58:11,272 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 21:58:11,272 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 21:58:11,272 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 21:58:11,273 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 21:58:11,273 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 21:58:11,295 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states. [2020-10-23 21:58:11,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-10-23 21:58:11,307 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 21:58:11,308 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 21:58:11,309 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 21:58:11,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 21:58:11,316 INFO L82 PathProgramCache]: Analyzing trace with hash 884753184, now seen corresponding path program 1 times [2020-10-23 21:58:11,330 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 21:58:11,331 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [8985030] [2020-10-23 21:58:11,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 21:58:11,414 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 21:58:11,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 21:58:11,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 21:58:11,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 21:58:11,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 21:58:11,720 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [8985030] [2020-10-23 21:58:11,723 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 21:58:11,723 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-23 21:58:11,724 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946620925] [2020-10-23 21:58:11,730 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-23 21:58:11,730 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 21:58:11,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-23 21:58:11,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-23 21:58:11,750 INFO L87 Difference]: Start difference. First operand 174 states. Second operand 6 states. [2020-10-23 21:58:12,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 21:58:12,871 INFO L93 Difference]: Finished difference Result 406 states and 510 transitions. [2020-10-23 21:58:12,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-23 21:58:12,873 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 39 [2020-10-23 21:58:12,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 21:58:12,887 INFO L225 Difference]: With dead ends: 406 [2020-10-23 21:58:12,887 INFO L226 Difference]: Without dead ends: 247 [2020-10-23 21:58:12,893 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-10-23 21:58:12,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2020-10-23 21:58:12,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 149. [2020-10-23 21:58:12,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2020-10-23 21:58:12,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 167 transitions. [2020-10-23 21:58:12,984 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 167 transitions. Word has length 39 [2020-10-23 21:58:12,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 21:58:12,985 INFO L481 AbstractCegarLoop]: Abstraction has 149 states and 167 transitions. [2020-10-23 21:58:12,985 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-23 21:58:12,986 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 167 transitions. [2020-10-23 21:58:12,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-10-23 21:58:12,987 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 21:58:12,987 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 21:58:12,988 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 21:58:12,988 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 21:58:12,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 21:58:12,989 INFO L82 PathProgramCache]: Analyzing trace with hash 1488099747, now seen corresponding path program 1 times [2020-10-23 21:58:12,989 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 21:58:12,990 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2144919200] [2020-10-23 21:58:12,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 21:58:12,993 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 21:58:13,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 21:58:13,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 21:58:13,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 21:58:13,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 21:58:13,117 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2144919200] [2020-10-23 21:58:13,117 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 21:58:13,118 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-23 21:58:13,118 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126981474] [2020-10-23 21:58:13,119 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-23 21:58:13,119 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 21:58:13,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-23 21:58:13,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-23 21:58:13,120 INFO L87 Difference]: Start difference. First operand 149 states and 167 transitions. Second operand 6 states. [2020-10-23 21:58:13,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 21:58:13,790 INFO L93 Difference]: Finished difference Result 214 states and 240 transitions. [2020-10-23 21:58:13,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-23 21:58:13,790 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 39 [2020-10-23 21:58:13,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 21:58:13,793 INFO L225 Difference]: With dead ends: 214 [2020-10-23 21:58:13,794 INFO L226 Difference]: Without dead ends: 211 [2020-10-23 21:58:13,796 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-10-23 21:58:13,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2020-10-23 21:58:13,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 148. [2020-10-23 21:58:13,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2020-10-23 21:58:13,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 165 transitions. [2020-10-23 21:58:13,847 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 165 transitions. Word has length 39 [2020-10-23 21:58:13,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 21:58:13,847 INFO L481 AbstractCegarLoop]: Abstraction has 148 states and 165 transitions. [2020-10-23 21:58:13,847 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-23 21:58:13,847 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 165 transitions. [2020-10-23 21:58:13,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-10-23 21:58:13,849 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 21:58:13,849 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 21:58:13,849 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-23 21:58:13,850 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 21:58:13,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 21:58:13,850 INFO L82 PathProgramCache]: Analyzing trace with hash 586104555, now seen corresponding path program 1 times [2020-10-23 21:58:13,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 21:58:13,851 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [746820789] [2020-10-23 21:58:13,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 21:58:13,854 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 21:58:13,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 21:58:14,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 21:58:14,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 21:58:14,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 21:58:14,103 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [746820789] [2020-10-23 21:58:14,103 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 21:58:14,103 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-23 21:58:14,104 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153286062] [2020-10-23 21:58:14,104 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-23 21:58:14,105 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 21:58:14,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-23 21:58:14,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-23 21:58:14,108 INFO L87 Difference]: Start difference. First operand 148 states and 165 transitions. Second operand 6 states. [2020-10-23 21:58:14,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 21:58:14,917 INFO L93 Difference]: Finished difference Result 250 states and 281 transitions. [2020-10-23 21:58:14,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-23 21:58:14,920 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 44 [2020-10-23 21:58:14,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 21:58:14,924 INFO L225 Difference]: With dead ends: 250 [2020-10-23 21:58:14,924 INFO L226 Difference]: Without dead ends: 247 [2020-10-23 21:58:14,925 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-10-23 21:58:14,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2020-10-23 21:58:15,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 147. [2020-10-23 21:58:15,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2020-10-23 21:58:15,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 163 transitions. [2020-10-23 21:58:15,007 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 163 transitions. Word has length 44 [2020-10-23 21:58:15,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 21:58:15,009 INFO L481 AbstractCegarLoop]: Abstraction has 147 states and 163 transitions. [2020-10-23 21:58:15,009 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-23 21:58:15,009 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 163 transitions. [2020-10-23 21:58:15,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-10-23 21:58:15,013 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 21:58:15,013 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 21:58:15,013 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-23 21:58:15,014 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 21:58:15,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 21:58:15,014 INFO L82 PathProgramCache]: Analyzing trace with hash -2112582476, now seen corresponding path program 1 times [2020-10-23 21:58:15,015 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 21:58:15,015 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1630325382] [2020-10-23 21:58:15,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 21:58:15,026 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 21:58:15,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 21:58:15,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 21:58:15,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 21:58:15,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 21:58:15,194 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1630325382] [2020-10-23 21:58:15,194 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 21:58:15,194 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-23 21:58:15,194 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312770360] [2020-10-23 21:58:15,195 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-23 21:58:15,195 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 21:58:15,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-23 21:58:15,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-23 21:58:15,196 INFO L87 Difference]: Start difference. First operand 147 states and 163 transitions. Second operand 6 states. [2020-10-23 21:58:15,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 21:58:15,712 INFO L93 Difference]: Finished difference Result 189 states and 209 transitions. [2020-10-23 21:58:15,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-23 21:58:15,713 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 44 [2020-10-23 21:58:15,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 21:58:15,717 INFO L225 Difference]: With dead ends: 189 [2020-10-23 21:58:15,718 INFO L226 Difference]: Without dead ends: 186 [2020-10-23 21:58:15,718 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-10-23 21:58:15,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2020-10-23 21:58:15,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 146. [2020-10-23 21:58:15,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2020-10-23 21:58:15,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 161 transitions. [2020-10-23 21:58:15,778 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 161 transitions. Word has length 44 [2020-10-23 21:58:15,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 21:58:15,779 INFO L481 AbstractCegarLoop]: Abstraction has 146 states and 161 transitions. [2020-10-23 21:58:15,779 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-23 21:58:15,779 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 161 transitions. [2020-10-23 21:58:15,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-10-23 21:58:15,789 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 21:58:15,790 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 21:58:15,790 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-23 21:58:15,790 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 21:58:15,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 21:58:15,791 INFO L82 PathProgramCache]: Analyzing trace with hash -1482893626, now seen corresponding path program 1 times [2020-10-23 21:58:15,793 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 21:58:15,793 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [246872480] [2020-10-23 21:58:15,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 21:58:15,798 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 21:58:15,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 21:58:15,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 21:58:15,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 21:58:15,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 21:58:15,986 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [246872480] [2020-10-23 21:58:15,987 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 21:58:15,987 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-23 21:58:15,987 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631794427] [2020-10-23 21:58:15,987 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-23 21:58:15,989 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 21:58:15,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-23 21:58:15,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-23 21:58:15,990 INFO L87 Difference]: Start difference. First operand 146 states and 161 transitions. Second operand 7 states. [2020-10-23 21:58:17,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 21:58:17,078 INFO L93 Difference]: Finished difference Result 252 states and 280 transitions. [2020-10-23 21:58:17,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-23 21:58:17,080 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 49 [2020-10-23 21:58:17,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 21:58:17,083 INFO L225 Difference]: With dead ends: 252 [2020-10-23 21:58:17,083 INFO L226 Difference]: Without dead ends: 249 [2020-10-23 21:58:17,084 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2020-10-23 21:58:17,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2020-10-23 21:58:17,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 145. [2020-10-23 21:58:17,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2020-10-23 21:58:17,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 159 transitions. [2020-10-23 21:58:17,134 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 159 transitions. Word has length 49 [2020-10-23 21:58:17,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 21:58:17,134 INFO L481 AbstractCegarLoop]: Abstraction has 145 states and 159 transitions. [2020-10-23 21:58:17,135 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-23 21:58:17,135 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 159 transitions. [2020-10-23 21:58:17,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-23 21:58:17,136 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 21:58:17,136 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 21:58:17,136 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-23 21:58:17,136 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 21:58:17,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 21:58:17,137 INFO L82 PathProgramCache]: Analyzing trace with hash -513876847, now seen corresponding path program 1 times [2020-10-23 21:58:17,137 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 21:58:17,138 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1444098289] [2020-10-23 21:58:17,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 21:58:17,140 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 21:58:17,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 21:58:17,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 21:58:17,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 21:58:17,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 21:58:17,271 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1444098289] [2020-10-23 21:58:17,272 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 21:58:17,272 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-23 21:58:17,272 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716811937] [2020-10-23 21:58:17,273 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-23 21:58:17,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 21:58:17,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-23 21:58:17,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-23 21:58:17,274 INFO L87 Difference]: Start difference. First operand 145 states and 159 transitions. Second operand 6 states. [2020-10-23 21:58:18,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 21:58:18,019 INFO L93 Difference]: Finished difference Result 258 states and 285 transitions. [2020-10-23 21:58:18,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-23 21:58:18,021 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 54 [2020-10-23 21:58:18,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 21:58:18,025 INFO L225 Difference]: With dead ends: 258 [2020-10-23 21:58:18,025 INFO L226 Difference]: Without dead ends: 255 [2020-10-23 21:58:18,026 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-10-23 21:58:18,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2020-10-23 21:58:18,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 144. [2020-10-23 21:58:18,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-10-23 21:58:18,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 157 transitions. [2020-10-23 21:58:18,096 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 157 transitions. Word has length 54 [2020-10-23 21:58:18,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 21:58:18,097 INFO L481 AbstractCegarLoop]: Abstraction has 144 states and 157 transitions. [2020-10-23 21:58:18,097 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-23 21:58:18,097 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 157 transitions. [2020-10-23 21:58:18,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-23 21:58:18,100 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 21:58:18,100 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 21:58:18,100 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-23 21:58:18,100 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 21:58:18,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 21:58:18,101 INFO L82 PathProgramCache]: Analyzing trace with hash -1650423756, now seen corresponding path program 1 times [2020-10-23 21:58:18,101 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 21:58:18,101 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1155766758] [2020-10-23 21:58:18,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 21:58:18,105 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 21:58:18,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 21:58:18,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 21:58:18,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 21:58:18,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 21:58:18,276 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1155766758] [2020-10-23 21:58:18,276 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 21:58:18,276 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-23 21:58:18,276 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140081139] [2020-10-23 21:58:18,278 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-23 21:58:18,278 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 21:58:18,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-23 21:58:18,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-23 21:58:18,280 INFO L87 Difference]: Start difference. First operand 144 states and 157 transitions. Second operand 6 states. [2020-10-23 21:58:18,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 21:58:18,981 INFO L93 Difference]: Finished difference Result 196 states and 212 transitions. [2020-10-23 21:58:18,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-23 21:58:18,981 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 54 [2020-10-23 21:58:18,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 21:58:18,984 INFO L225 Difference]: With dead ends: 196 [2020-10-23 21:58:18,984 INFO L226 Difference]: Without dead ends: 193 [2020-10-23 21:58:18,985 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-10-23 21:58:18,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2020-10-23 21:58:19,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 143. [2020-10-23 21:58:19,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2020-10-23 21:58:19,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 155 transitions. [2020-10-23 21:58:19,042 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 155 transitions. Word has length 54 [2020-10-23 21:58:19,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 21:58:19,044 INFO L481 AbstractCegarLoop]: Abstraction has 143 states and 155 transitions. [2020-10-23 21:58:19,044 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-23 21:58:19,044 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 155 transitions. [2020-10-23 21:58:19,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-23 21:58:19,045 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 21:58:19,046 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 21:58:19,046 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-23 21:58:19,046 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 21:58:19,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 21:58:19,047 INFO L82 PathProgramCache]: Analyzing trace with hash -352177674, now seen corresponding path program 1 times [2020-10-23 21:58:19,047 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 21:58:19,048 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1187979569] [2020-10-23 21:58:19,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 21:58:19,052 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 21:58:19,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 21:58:19,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 21:58:19,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 21:58:19,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 21:58:19,231 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1187979569] [2020-10-23 21:58:19,231 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 21:58:19,231 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-23 21:58:19,232 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172349446] [2020-10-23 21:58:19,232 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-23 21:58:19,232 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 21:58:19,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-23 21:58:19,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-23 21:58:19,233 INFO L87 Difference]: Start difference. First operand 143 states and 155 transitions. Second operand 8 states. [2020-10-23 21:58:20,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 21:58:20,700 INFO L93 Difference]: Finished difference Result 236 states and 254 transitions. [2020-10-23 21:58:20,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-23 21:58:20,700 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59 [2020-10-23 21:58:20,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 21:58:20,702 INFO L225 Difference]: With dead ends: 236 [2020-10-23 21:58:20,702 INFO L226 Difference]: Without dead ends: 233 [2020-10-23 21:58:20,703 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2020-10-23 21:58:20,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2020-10-23 21:58:20,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 142. [2020-10-23 21:58:20,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2020-10-23 21:58:20,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 153 transitions. [2020-10-23 21:58:20,763 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 153 transitions. Word has length 59 [2020-10-23 21:58:20,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 21:58:20,763 INFO L481 AbstractCegarLoop]: Abstraction has 142 states and 153 transitions. [2020-10-23 21:58:20,763 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-23 21:58:20,764 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 153 transitions. [2020-10-23 21:58:20,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-23 21:58:20,767 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 21:58:20,768 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 21:58:20,768 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-23 21:58:20,769 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 21:58:20,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 21:58:20,770 INFO L82 PathProgramCache]: Analyzing trace with hash 958545466, now seen corresponding path program 1 times [2020-10-23 21:58:20,770 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 21:58:20,771 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1748250574] [2020-10-23 21:58:20,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 21:58:20,774 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 21:58:20,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 21:58:20,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 21:58:20,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 21:58:20,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 21:58:20,926 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1748250574] [2020-10-23 21:58:20,926 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 21:58:20,926 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-23 21:58:20,928 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835466881] [2020-10-23 21:58:20,929 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-23 21:58:20,934 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 21:58:20,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-23 21:58:20,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-23 21:58:20,940 INFO L87 Difference]: Start difference. First operand 142 states and 153 transitions. Second operand 7 states. [2020-10-23 21:58:21,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 21:58:21,746 INFO L93 Difference]: Finished difference Result 202 states and 216 transitions. [2020-10-23 21:58:21,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-23 21:58:21,751 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2020-10-23 21:58:21,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 21:58:21,754 INFO L225 Difference]: With dead ends: 202 [2020-10-23 21:58:21,754 INFO L226 Difference]: Without dead ends: 199 [2020-10-23 21:58:21,755 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2020-10-23 21:58:21,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2020-10-23 21:58:21,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 141. [2020-10-23 21:58:21,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2020-10-23 21:58:21,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 151 transitions. [2020-10-23 21:58:21,801 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 151 transitions. Word has length 64 [2020-10-23 21:58:21,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 21:58:21,801 INFO L481 AbstractCegarLoop]: Abstraction has 141 states and 151 transitions. [2020-10-23 21:58:21,801 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-23 21:58:21,801 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 151 transitions. [2020-10-23 21:58:21,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-10-23 21:58:21,802 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 21:58:21,802 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 21:58:21,803 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-23 21:58:21,803 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 21:58:21,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 21:58:21,803 INFO L82 PathProgramCache]: Analyzing trace with hash 1711745340, now seen corresponding path program 1 times [2020-10-23 21:58:21,804 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 21:58:21,804 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1685405981] [2020-10-23 21:58:21,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 21:58:21,806 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 21:58:21,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 21:58:21,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 21:58:21,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 21:58:21,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 21:58:21,916 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1685405981] [2020-10-23 21:58:21,916 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 21:58:21,916 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-23 21:58:21,916 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236910065] [2020-10-23 21:58:21,917 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-23 21:58:21,917 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 21:58:21,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-23 21:58:21,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-23 21:58:21,918 INFO L87 Difference]: Start difference. First operand 141 states and 151 transitions. Second operand 6 states. [2020-10-23 21:58:22,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 21:58:22,510 INFO L93 Difference]: Finished difference Result 208 states and 221 transitions. [2020-10-23 21:58:22,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-23 21:58:22,511 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 69 [2020-10-23 21:58:22,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 21:58:22,513 INFO L225 Difference]: With dead ends: 208 [2020-10-23 21:58:22,513 INFO L226 Difference]: Without dead ends: 205 [2020-10-23 21:58:22,514 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-10-23 21:58:22,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2020-10-23 21:58:22,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 140. [2020-10-23 21:58:22,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2020-10-23 21:58:22,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 149 transitions. [2020-10-23 21:58:22,568 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 149 transitions. Word has length 69 [2020-10-23 21:58:22,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 21:58:22,568 INFO L481 AbstractCegarLoop]: Abstraction has 140 states and 149 transitions. [2020-10-23 21:58:22,568 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-23 21:58:22,568 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 149 transitions. [2020-10-23 21:58:22,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-10-23 21:58:22,569 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 21:58:22,569 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 21:58:22,569 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-23 21:58:22,570 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 21:58:22,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 21:58:22,570 INFO L82 PathProgramCache]: Analyzing trace with hash -1196462014, now seen corresponding path program 1 times [2020-10-23 21:58:22,570 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 21:58:22,571 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2133025645] [2020-10-23 21:58:22,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 21:58:22,573 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 21:58:22,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 21:58:22,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 21:58:22,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 21:58:22,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 21:58:22,686 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2133025645] [2020-10-23 21:58:22,686 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 21:58:22,686 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-23 21:58:22,687 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013968144] [2020-10-23 21:58:22,687 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-23 21:58:22,687 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 21:58:22,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-23 21:58:22,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-23 21:58:22,688 INFO L87 Difference]: Start difference. First operand 140 states and 149 transitions. Second operand 7 states. [2020-10-23 21:58:23,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 21:58:23,818 INFO L93 Difference]: Finished difference Result 376 states and 400 transitions. [2020-10-23 21:58:23,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-23 21:58:23,819 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 78 [2020-10-23 21:58:23,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 21:58:23,821 INFO L225 Difference]: With dead ends: 376 [2020-10-23 21:58:23,821 INFO L226 Difference]: Without dead ends: 263 [2020-10-23 21:58:23,823 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2020-10-23 21:58:23,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2020-10-23 21:58:23,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 163. [2020-10-23 21:58:23,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-10-23 21:58:23,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 171 transitions. [2020-10-23 21:58:23,938 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 171 transitions. Word has length 78 [2020-10-23 21:58:23,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 21:58:23,939 INFO L481 AbstractCegarLoop]: Abstraction has 163 states and 171 transitions. [2020-10-23 21:58:23,939 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-23 21:58:23,939 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 171 transitions. [2020-10-23 21:58:23,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-10-23 21:58:23,944 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 21:58:23,944 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 21:58:23,944 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-23 21:58:23,945 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 21:58:23,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 21:58:23,945 INFO L82 PathProgramCache]: Analyzing trace with hash 1121870788, now seen corresponding path program 1 times [2020-10-23 21:58:23,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 21:58:23,946 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1692891961] [2020-10-23 21:58:23,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 21:58:23,949 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 21:58:23,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 21:58:24,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 21:58:24,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 21:58:24,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 21:58:24,074 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1692891961] [2020-10-23 21:58:24,074 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 21:58:24,075 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-23 21:58:24,075 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430544168] [2020-10-23 21:58:24,075 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-23 21:58:24,075 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 21:58:24,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-23 21:58:24,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-23 21:58:24,076 INFO L87 Difference]: Start difference. First operand 163 states and 171 transitions. Second operand 7 states. [2020-10-23 21:58:25,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 21:58:25,344 INFO L93 Difference]: Finished difference Result 358 states and 372 transitions. [2020-10-23 21:58:25,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-23 21:58:25,345 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 83 [2020-10-23 21:58:25,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 21:58:25,348 INFO L225 Difference]: With dead ends: 358 [2020-10-23 21:58:25,348 INFO L226 Difference]: Without dead ends: 355 [2020-10-23 21:58:25,349 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-23 21:58:25,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2020-10-23 21:58:25,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 162. [2020-10-23 21:58:25,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-10-23 21:58:25,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 169 transitions. [2020-10-23 21:58:25,415 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 169 transitions. Word has length 83 [2020-10-23 21:58:25,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 21:58:25,416 INFO L481 AbstractCegarLoop]: Abstraction has 162 states and 169 transitions. [2020-10-23 21:58:25,416 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-23 21:58:25,416 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 169 transitions. [2020-10-23 21:58:25,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-23 21:58:25,417 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 21:58:25,417 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 21:58:25,417 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-23 21:58:25,417 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 21:58:25,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 21:58:25,417 INFO L82 PathProgramCache]: Analyzing trace with hash 632897096, now seen corresponding path program 1 times [2020-10-23 21:58:25,418 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 21:58:25,418 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [370908925] [2020-10-23 21:58:25,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 21:58:25,420 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 21:58:25,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 21:58:25,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 21:58:25,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 21:58:25,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 21:58:25,580 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [370908925] [2020-10-23 21:58:25,580 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 21:58:25,580 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-23 21:58:25,580 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008962863] [2020-10-23 21:58:25,581 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-23 21:58:25,581 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 21:58:25,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-23 21:58:25,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-23 21:58:25,583 INFO L87 Difference]: Start difference. First operand 162 states and 169 transitions. Second operand 8 states. [2020-10-23 21:58:26,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 21:58:26,831 INFO L93 Difference]: Finished difference Result 279 states and 292 transitions. [2020-10-23 21:58:26,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-23 21:58:26,832 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 88 [2020-10-23 21:58:26,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 21:58:26,834 INFO L225 Difference]: With dead ends: 279 [2020-10-23 21:58:26,834 INFO L226 Difference]: Without dead ends: 276 [2020-10-23 21:58:26,835 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2020-10-23 21:58:26,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2020-10-23 21:58:26,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 161. [2020-10-23 21:58:26,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2020-10-23 21:58:26,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 167 transitions. [2020-10-23 21:58:26,946 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 167 transitions. Word has length 88 [2020-10-23 21:58:26,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 21:58:26,947 INFO L481 AbstractCegarLoop]: Abstraction has 161 states and 167 transitions. [2020-10-23 21:58:26,947 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-23 21:58:26,947 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 167 transitions. [2020-10-23 21:58:26,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-10-23 21:58:26,948 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 21:58:26,948 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 21:58:26,948 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-23 21:58:26,950 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 21:58:26,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 21:58:26,951 INFO L82 PathProgramCache]: Analyzing trace with hash -1784003830, now seen corresponding path program 1 times [2020-10-23 21:58:26,951 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 21:58:26,958 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [563793142] [2020-10-23 21:58:26,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 21:58:26,962 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 21:58:26,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 21:58:27,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 21:58:27,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 21:58:27,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 21:58:27,095 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [563793142] [2020-10-23 21:58:27,095 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 21:58:27,095 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-23 21:58:27,095 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099900941] [2020-10-23 21:58:27,096 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-23 21:58:27,096 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 21:58:27,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-23 21:58:27,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-23 21:58:27,097 INFO L87 Difference]: Start difference. First operand 161 states and 167 transitions. Second operand 7 states. [2020-10-23 21:58:28,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 21:58:28,676 INFO L93 Difference]: Finished difference Result 448 states and 463 transitions. [2020-10-23 21:58:28,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-23 21:58:28,677 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 93 [2020-10-23 21:58:28,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 21:58:28,680 INFO L225 Difference]: With dead ends: 448 [2020-10-23 21:58:28,681 INFO L226 Difference]: Without dead ends: 445 [2020-10-23 21:58:28,681 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-10-23 21:58:28,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2020-10-23 21:58:28,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 160. [2020-10-23 21:58:28,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2020-10-23 21:58:28,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 165 transitions. [2020-10-23 21:58:28,763 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 165 transitions. Word has length 93 [2020-10-23 21:58:28,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 21:58:28,763 INFO L481 AbstractCegarLoop]: Abstraction has 160 states and 165 transitions. [2020-10-23 21:58:28,764 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-23 21:58:28,764 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 165 transitions. [2020-10-23 21:58:28,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-10-23 21:58:28,765 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 21:58:28,765 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 21:58:28,765 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-23 21:58:28,765 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 21:58:28,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 21:58:28,766 INFO L82 PathProgramCache]: Analyzing trace with hash -671549360, now seen corresponding path program 1 times [2020-10-23 21:58:28,766 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 21:58:28,766 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [206380195] [2020-10-23 21:58:28,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 21:58:28,768 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 21:58:28,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 21:58:28,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 21:58:28,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 21:58:28,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 21:58:28,939 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [206380195] [2020-10-23 21:58:28,939 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 21:58:28,939 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-23 21:58:28,939 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290741712] [2020-10-23 21:58:28,940 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-23 21:58:28,940 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 21:58:28,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-23 21:58:28,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-23 21:58:28,941 INFO L87 Difference]: Start difference. First operand 160 states and 165 transitions. Second operand 9 states. [2020-10-23 21:58:30,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 21:58:30,229 INFO L93 Difference]: Finished difference Result 291 states and 302 transitions. [2020-10-23 21:58:30,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-23 21:58:30,229 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 102 [2020-10-23 21:58:30,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 21:58:30,232 INFO L225 Difference]: With dead ends: 291 [2020-10-23 21:58:30,232 INFO L226 Difference]: Without dead ends: 288 [2020-10-23 21:58:30,233 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2020-10-23 21:58:30,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2020-10-23 21:58:30,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 159. [2020-10-23 21:58:30,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2020-10-23 21:58:30,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 163 transitions. [2020-10-23 21:58:30,313 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 163 transitions. Word has length 102 [2020-10-23 21:58:30,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 21:58:30,314 INFO L481 AbstractCegarLoop]: Abstraction has 159 states and 163 transitions. [2020-10-23 21:58:30,314 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-23 21:58:30,314 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 163 transitions. [2020-10-23 21:58:30,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-10-23 21:58:30,315 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 21:58:30,315 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 21:58:30,315 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-23 21:58:30,315 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 21:58:30,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 21:58:30,316 INFO L82 PathProgramCache]: Analyzing trace with hash 841217426, now seen corresponding path program 1 times [2020-10-23 21:58:30,316 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 21:58:30,316 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [523949288] [2020-10-23 21:58:30,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 21:58:30,318 INFO L321 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-10-23 21:58:30,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 21:58:30,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 21:58:30,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 21:58:30,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 21:58:30,447 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [523949288] [2020-10-23 21:58:30,448 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 21:58:30,448 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-23 21:58:30,448 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592031864] [2020-10-23 21:58:30,448 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-23 21:58:30,449 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 21:58:30,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-23 21:58:30,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-23 21:58:30,450 INFO L87 Difference]: Start difference. First operand 159 states and 163 transitions. Second operand 8 states. [2020-10-23 21:58:33,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 21:58:33,086 INFO L93 Difference]: Finished difference Result 688 states and 710 transitions. [2020-10-23 21:58:33,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-23 21:58:33,086 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 107 [2020-10-23 21:58:33,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 21:58:33,087 INFO L225 Difference]: With dead ends: 688 [2020-10-23 21:58:33,087 INFO L226 Difference]: Without dead ends: 0 [2020-10-23 21:58:33,091 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2020-10-23 21:58:33,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-23 21:58:33,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-23 21:58:33,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-23 21:58:33,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-23 21:58:33,092 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 107 [2020-10-23 21:58:33,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 21:58:33,092 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-23 21:58:33,092 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-23 21:58:33,092 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-23 21:58:33,093 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-23 21:58:33,093 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-23 21:58:33,095 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-23 21:58:33,441 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 177 [2020-10-23 21:58:33,689 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 160 [2020-10-23 21:58:33,806 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 146 [2020-10-23 21:58:34,417 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 165 [2020-10-23 21:58:34,736 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 170 [2020-10-23 21:58:34,867 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 148 [2020-10-23 21:58:35,007 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 152 [2020-10-23 21:58:35,127 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 115 [2020-10-23 21:58:35,677 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 170 [2020-10-23 21:58:35,989 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 192 [2020-10-23 21:58:36,231 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 170 [2020-10-23 21:58:36,625 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 219 [2020-10-23 21:58:36,736 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 148 [2020-10-23 21:58:37,317 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 185 [2020-10-23 21:58:37,490 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 166 [2020-10-23 21:58:37,813 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 194 [2020-10-23 21:58:38,209 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 201 [2020-10-23 21:58:38,581 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 208 [2020-10-23 21:58:38,864 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 218 [2020-10-23 21:58:39,104 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 219 [2020-10-23 21:58:39,218 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 150 [2020-10-23 21:58:39,321 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 150 [2020-10-23 21:58:39,441 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 178 [2020-10-23 21:58:39,718 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 170 [2020-10-23 21:58:39,981 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 162 [2020-10-23 21:58:40,287 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 194 [2020-10-23 21:58:40,416 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 162 [2020-10-23 21:58:40,538 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 151 [2020-10-23 21:58:40,644 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 150 [2020-10-23 21:58:40,993 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 170 [2020-10-23 21:58:41,340 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 170 [2020-10-23 21:58:41,567 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 162 [2020-10-23 21:58:41,693 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 170 [2020-10-23 21:58:41,859 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 168 [2020-10-23 21:58:42,066 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 173 [2020-10-23 21:58:42,196 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 170 [2020-10-23 21:58:42,447 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 221 [2020-10-23 21:58:42,682 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 197 [2020-10-23 21:58:42,860 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 209 [2020-10-23 21:58:43,261 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 183 [2020-10-23 21:58:43,525 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 202 [2020-10-23 21:58:43,798 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 195 [2020-10-23 21:58:44,054 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 221 [2020-10-23 21:58:44,324 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 219 [2020-10-23 21:58:44,464 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 175 [2020-10-23 21:58:44,592 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 170 [2020-10-23 21:58:44,727 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 181 [2020-10-23 21:58:44,860 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 175 [2020-10-23 21:58:45,253 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 199 [2020-10-23 21:58:45,470 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 134 [2020-10-23 21:58:45,598 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 146 [2020-10-23 21:58:45,732 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 175 [2020-10-23 21:58:46,111 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 150 [2020-10-23 21:58:46,247 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 173 [2020-10-23 21:58:46,576 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 157 [2020-10-23 21:58:46,723 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 150 [2020-10-23 21:58:46,853 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 170 [2020-10-23 21:58:47,114 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 213 [2020-10-23 21:58:47,373 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 210 [2020-10-23 21:58:47,628 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 219 [2020-10-23 21:58:47,805 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 209 [2020-10-23 21:58:47,916 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 177 [2020-10-23 21:58:48,403 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 160 [2020-10-23 21:58:48,680 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 206 [2020-10-23 21:58:48,927 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 213 [2020-10-23 21:58:49,058 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 171 [2020-10-23 21:58:49,175 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 153 [2020-10-23 21:58:49,288 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 177 [2020-10-23 21:58:49,780 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 53 [2020-10-23 21:58:50,266 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 58 [2020-10-23 21:58:50,709 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 73 [2020-10-23 21:58:51,186 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 76 [2020-10-23 21:58:51,658 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 82 [2020-10-23 21:58:52,039 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 20 [2020-10-23 21:58:52,454 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 34 [2020-10-23 21:58:52,842 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 59 [2020-10-23 21:58:53,314 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 65 [2020-10-23 21:58:53,504 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 66 [2020-10-23 21:58:53,949 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 73 [2020-10-23 21:58:54,406 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 79 [2020-10-23 21:58:54,782 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 26 [2020-10-23 21:58:55,254 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 34 [2020-10-23 21:58:55,651 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 34 [2020-10-23 21:58:56,353 WARN L193 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 47 [2020-10-23 21:58:56,739 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 57 [2020-10-23 21:58:56,991 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 80 [2020-10-23 21:58:57,267 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 86 [2020-10-23 21:58:57,855 WARN L193 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 45 [2020-10-23 21:58:58,208 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 23 [2020-10-23 21:58:58,801 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 29 [2020-10-23 21:58:59,419 WARN L193 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 30 [2020-10-23 21:59:00,099 WARN L193 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 36 [2020-10-23 21:59:00,738 WARN L193 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 40 [2020-10-23 21:59:01,451 WARN L193 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 47 [2020-10-23 21:59:01,903 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 48 [2020-10-23 21:59:02,308 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 49 [2020-10-23 21:59:02,791 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 55 [2020-10-23 21:59:03,232 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 57 [2020-10-23 21:59:03,463 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 77 [2020-10-23 21:59:03,882 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 24 [2020-10-23 21:59:04,303 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 20 [2020-10-23 21:59:04,904 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 29 [2020-10-23 21:59:05,298 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 38 [2020-10-23 21:59:05,672 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 40 [2020-10-23 21:59:06,123 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 48 [2020-10-23 21:59:06,557 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 69 [2020-10-23 21:59:06,765 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 70 [2020-10-23 21:59:07,238 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 77 [2020-10-23 21:59:07,715 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 82 [2020-10-23 21:59:08,127 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 34 [2020-10-23 21:59:08,533 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 60 [2020-10-23 21:59:08,931 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 62 [2020-10-23 21:59:09,364 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 69 [2020-10-23 21:59:09,767 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 34 [2020-10-23 21:59:10,036 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 89 [2020-10-23 21:59:10,425 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 17 [2020-10-23 21:59:10,830 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 34 [2020-10-23 21:59:11,179 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 26 [2020-10-23 21:59:11,530 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 31 [2020-10-23 21:59:11,935 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 34 [2020-10-23 21:59:12,736 WARN L193 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 40 [2020-10-23 21:59:13,322 WARN L193 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 42 [2020-10-23 21:59:13,874 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 45 [2020-10-23 21:59:14,355 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 58 [2020-10-23 21:59:14,592 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 80 [2020-10-23 21:59:14,841 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 83 [2020-10-23 21:59:15,113 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 89 [2020-10-23 21:59:15,648 WARN L193 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 25 [2020-10-23 21:59:16,334 WARN L193 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 30 [2020-10-23 21:59:16,873 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 34 [2020-10-23 21:59:17,657 WARN L193 SmtUtils]: Spent 781.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 40 [2020-10-23 21:59:18,387 WARN L193 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 47 [2020-10-23 21:59:18,845 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 43 [2020-10-23 21:59:19,294 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 45 [2020-10-23 21:59:19,787 WARN L193 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 51 [2020-10-23 21:59:20,279 WARN L193 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 51 [2020-10-23 21:59:20,774 WARN L193 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 58 [2020-10-23 21:59:21,288 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 79 [2020-10-23 21:59:21,901 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 22 [2020-10-23 21:59:22,189 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 12 [2020-10-23 21:59:22,559 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 34 [2020-10-23 21:59:23,021 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 43 [2020-10-23 21:59:23,453 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 63 [2020-10-23 21:59:23,860 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 65 [2020-10-23 21:59:24,060 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 69 [2020-10-23 21:59:24,514 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 73 [2020-10-23 21:59:24,980 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 79 [2020-10-23 21:59:25,298 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 29 [2020-10-23 21:59:25,712 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 35 [2020-10-23 21:59:26,158 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 56 [2020-10-23 21:59:26,592 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 63 [2020-10-23 21:59:26,840 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 83 [2020-10-23 21:59:27,097 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 86 [2020-10-23 21:59:27,422 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 23 [2020-10-23 21:59:27,761 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 29 [2020-10-23 21:59:28,169 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 34 [2020-10-23 21:59:28,927 WARN L193 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 34 [2020-10-23 21:59:29,585 WARN L193 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 36 [2020-10-23 21:59:30,198 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 43 [2020-10-23 21:59:30,737 WARN L193 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 45 [2020-10-23 21:59:31,215 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 53 [2020-10-23 21:59:31,666 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 54 [2020-10-23 21:59:32,114 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 57 [2020-10-23 21:59:32,350 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 77 [2020-10-23 21:59:32,604 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 83 [2020-10-23 21:59:32,878 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 89 [2020-10-23 21:59:33,333 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24 [2020-10-23 21:59:33,935 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 27 [2020-10-23 21:59:34,692 WARN L193 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 34 [2020-10-23 21:59:35,116 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 39 [2020-10-23 21:59:35,528 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 43 [2020-10-23 21:59:36,008 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 46 [2020-10-23 21:59:36,015 INFO L277 CegarLoopResult]: At program point reach_errorEXIT(line 4) the Hoare annotation is: true [2020-10-23 21:59:36,016 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-23 21:59:36,016 INFO L277 CegarLoopResult]: At program point reach_errorFINAL(line 4) the Hoare annotation is: true [2020-10-23 21:59:36,016 INFO L277 CegarLoopResult]: At program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) the Hoare annotation is: true [2020-10-23 21:59:36,016 INFO L277 CegarLoopResult]: At program point L4-3(line 4) the Hoare annotation is: true [2020-10-23 21:59:36,016 INFO L277 CegarLoopResult]: At program point L4-4(line 4) the Hoare annotation is: true [2020-10-23 21:59:36,016 INFO L277 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-23 21:59:36,016 INFO L277 CegarLoopResult]: At program point L4-5(line 4) the Hoare annotation is: true [2020-10-23 21:59:36,016 INFO L277 CegarLoopResult]: At program point L-1-1(line -1) the Hoare annotation is: true [2020-10-23 21:59:36,016 INFO L277 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-10-23 21:59:36,016 INFO L277 CegarLoopResult]: At program point L12(line 12) the Hoare annotation is: true [2020-10-23 21:59:36,016 INFO L270 CegarLoopResult]: 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)|) (= ~__return_334~0 |old(~__return_334~0)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~__return_main~0 |old(~__return_main~0)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-10-23 21:59:36,017 INFO L277 CegarLoopResult]: At program point L4(line 4) the Hoare annotation is: true [2020-10-23 21:59:36,017 INFO L277 CegarLoopResult]: At program point L4-1(line 4) the Hoare annotation is: true [2020-10-23 21:59:36,017 INFO L277 CegarLoopResult]: At program point L4-2(line 4) the Hoare annotation is: true [2020-10-23 21:59:36,017 INFO L277 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-10-23 21:59:36,017 INFO L277 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-10-23 21:59:36,017 INFO L277 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-23 21:59:36,017 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-23 21:59:36,017 INFO L277 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-10-23 21:59:36,017 INFO L274 CegarLoopResult]: For program point assume_abort_if_notENTRY(lines 6 8) no Hoare annotation was computed. [2020-10-23 21:59:36,017 INFO L274 CegarLoopResult]: For program point L7(line 7) no Hoare annotation was computed. [2020-10-23 21:59:36,017 INFO L274 CegarLoopResult]: For program point L7-1(line 7) no Hoare annotation was computed. [2020-10-23 21:59:36,018 INFO L274 CegarLoopResult]: For program point L7-3(lines 6 8) no Hoare annotation was computed. [2020-10-23 21:59:36,018 INFO L274 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 6 8) no Hoare annotation was computed. [2020-10-23 21:59:36,018 INFO L270 CegarLoopResult]: At program point L217(line 217) the Hoare annotation is: false [2020-10-23 21:59:36,018 INFO L277 CegarLoopResult]: At program point mainEXIT(lines 13 313) the Hoare annotation is: true [2020-10-23 21:59:36,018 INFO L270 CegarLoopResult]: At program point L184(line 184) the Hoare annotation is: (and (= main_~__tmp_2~0 1) (<= 0 main_~main__i~0) (not (= main_~__tmp_8~0 0)) (not (= main_~__VERIFIER_assert__cond~0 0)) (not (= main_~__VERIFIER_assert__cond~9 0)) (not (= main_~__tmp_7~0 0)) (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__VERIFIER_assert__cond~8 0)) (<= 1 main_~main__j~0) (not (= main_~__tmp_1~0 0)) (not (= main_~__VERIFIER_assert__cond~6 0)) (not (= main_~__VERIFIER_assert__cond~7 0)) (not (= main_~__tmp_9~0 0)) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (<= (+ main_~main__i~0 2) main_~main__len~0) (= main_~__VERIFIER_assert__cond~1 1) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= main_~__tmp_10~0 0))) [2020-10-23 21:59:36,018 INFO L270 CegarLoopResult]: At program point L217-1(line 217) the Hoare annotation is: false [2020-10-23 21:59:36,019 INFO L270 CegarLoopResult]: At program point L151(lines 151 281) the Hoare annotation is: (and (let ((.cse0 (= main_~__tmp_2~0 1)) (.cse1 (not (= main_~__tmp_8~0 0))) (.cse2 (not (= main_~__tmp_1~0 0))) (.cse3 (not (= main_~__VERIFIER_assert__cond~0 0))) (.cse4 (not (= main_~__VERIFIER_assert__cond~6 0))) (.cse5 (not (= main_~__VERIFIER_assert__cond~7 0))) (.cse6 (not (= main_~__tmp_7~0 0))) (.cse7 (<= 0 main_~main__j~0)) (.cse8 (= main_~__VERIFIER_assert__cond~1 1)) (.cse9 (<= (+ main_~main__i~0 2) main_~main__len~0)) (.cse10 (= |old(~__return_334~0)| ~__return_334~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (<= 1 main_~main__i~0) .cse8 .cse9 .cse10) (and .cse0 (= main_~main__i~0 0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10))) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0)) [2020-10-23 21:59:36,019 INFO L270 CegarLoopResult]: At program point L118(line 118) the Hoare annotation is: (and (not (= main_~__VERIFIER_assert__cond~5 0)) (<= 0 main_~main__i~0) (not (= main_~__tmp_6~0 0)) (not (= main_~__VERIFIER_assert__cond~2 0)) (< main_~main__i~0 main_~main__len~0) (not (= main_~__VERIFIER_assert__cond~4 0)) (not (= main_~__tmp_3~0 0)) (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__tmp_5~0 0)) (<= 0 main_~main__j~0) (not (= main_~__tmp_4~0 0)) (not (= main_~__VERIFIER_assert__cond~3 0)) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0)) [2020-10-23 21:59:36,019 INFO L270 CegarLoopResult]: At program point L85(line 85) the Hoare annotation is: (and (<= 0 main_~main__i~0) (not (= main_~__VERIFIER_assert__cond~2 0)) (<= 0 main_~main__j~0) (< main_~main__i~0 main_~main__len~0) (not (= main_~__tmp_4~0 0)) (not (= main_~__tmp_3~0 0)) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= |old(~__return_334~0)| ~__return_334~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0)) [2020-10-23 21:59:36,019 INFO L270 CegarLoopResult]: At program point L19(line 19) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-10-23 21:59:36,019 INFO L270 CegarLoopResult]: At program point L19-1(line 19) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-10-23 21:59:36,019 INFO L270 CegarLoopResult]: At program point L19-2(line 19) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-10-23 21:59:36,019 INFO L270 CegarLoopResult]: At program point L234(line 234) the Hoare annotation is: (and (= main_~__tmp_2~0 1) (not (= main_~__VERIFIER_assert__cond~0 0)) (not (= main_~__VERIFIER_assert__cond~9 0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__VERIFIER_assert__cond~8 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= main_~__tmp_9~0 0)) (not (= main_~__VERIFIER_assert__cond~12 0)) (not (= main_~__tmp_14~0 0)) (not (= main_~__tmp_8~0 0)) (not (= main_~__tmp_7~0 0)) (<= 1 main_~main__i~0) (not (= main_~__tmp_11~0 0)) (<= 1 main_~main__j~0) (not (= main_~__tmp_1~0 0)) (not (= main_~__tmp_13~0 0)) (not (= main_~__VERIFIER_assert__cond~6 0)) (not (= main_~__VERIFIER_assert__cond~7 0)) (not (= main_~__tmp_12~0 0)) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (= main_~__VERIFIER_assert__cond~1 1) (not (= main_~__VERIFIER_assert__cond~13 0)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= (+ main_~main__i~0 1) main_~main__len~0) (not (= main_~__tmp_10~0 0))) [2020-10-23 21:59:36,020 INFO L270 CegarLoopResult]: At program point L201(line 201) the Hoare annotation is: (and (= main_~__tmp_2~0 1) (not (= main_~__tmp_8~0 0)) (not (= main_~__VERIFIER_assert__cond~0 0)) (not (= main_~__VERIFIER_assert__cond~9 0)) (not (= main_~__tmp_7~0 0)) (<= 1 main_~main__i~0) (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__VERIFIER_assert__cond~8 0)) (not (= main_~__tmp_11~0 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (<= 1 main_~main__j~0) (not (= main_~__tmp_1~0 0)) (not (= main_~__VERIFIER_assert__cond~6 0)) (not (= main_~__VERIFIER_assert__cond~7 0)) (not (= main_~__tmp_9~0 0)) (not (= main_~__tmp_12~0 0)) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (= main_~__VERIFIER_assert__cond~1 1) (<= (+ main_~main__i~0 1) main_~main__len~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= main_~__tmp_10~0 0))) [2020-10-23 21:59:36,020 INFO L270 CegarLoopResult]: At program point L135(line 135) the Hoare annotation is: (and (= main_~__tmp_2~0 1) (<= 0 main_~main__i~0) (not (= main_~__tmp_1~0 0)) (not (= main_~__VERIFIER_assert__cond~0 0)) (<= 0 main_~main__j~0) (= main_~__VERIFIER_assert__cond~1 1) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (< (+ main_~main__i~0 1) main_~main__len~0) (= |old(~__return_334~0)| ~__return_334~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0)) [2020-10-23 21:59:36,020 INFO L270 CegarLoopResult]: At program point L36(lines 36 300) the Hoare annotation is: (and (<= 0 main_~main__i~0) (<= 0 main_~main__j~0) (= |old(~__return_334~0)| ~__return_334~0) (<= (+ main_~main__i~0 1) main_~main__len~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0)) [2020-10-23 21:59:36,020 INFO L270 CegarLoopResult]: At program point L251(line 251) the Hoare annotation is: (and (= main_~__tmp_2~0 1) (not (= main_~__VERIFIER_assert__cond~0 0)) (not (= main_~__VERIFIER_assert__cond~9 0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__VERIFIER_assert__cond~8 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= main_~__tmp_9~0 0)) (not (= main_~__VERIFIER_assert__cond~12 0)) (<= (+ main_~main__j~0 3) main_~main__bufsize~0) (not (= main_~__tmp_14~0 0)) (not (= main_~__tmp_8~0 0)) (not (= main_~__tmp_15~0 0)) (not (= main_~__tmp_7~0 0)) (<= 1 main_~main__i~0) (not (= main_~__tmp_11~0 0)) (<= 2 main_~main__j~0) (not (= main_~__tmp_1~0 0)) (not (= main_~__tmp_13~0 0)) (not (= main_~__VERIFIER_assert__cond~6 0)) (not (= main_~__VERIFIER_assert__cond~7 0)) (not (= main_~__tmp_12~0 0)) (= main_~__VERIFIER_assert__cond~1 1) (not (= main_~__VERIFIER_assert__cond~13 0)) (not (= main_~__VERIFIER_assert__cond~14 0)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= main_~__tmp_10~0 0))) [2020-10-23 21:59:36,020 INFO L270 CegarLoopResult]: At program point L185(line 185) the Hoare annotation is: (and (= main_~__tmp_2~0 1) (<= 0 main_~main__i~0) (not (= main_~__tmp_8~0 0)) (not (= main_~__VERIFIER_assert__cond~0 0)) (not (= main_~__VERIFIER_assert__cond~9 0)) (not (= main_~__tmp_7~0 0)) (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__VERIFIER_assert__cond~8 0)) (<= 1 main_~main__j~0) (not (= main_~__tmp_1~0 0)) (not (= main_~__VERIFIER_assert__cond~6 0)) (not (= main_~__VERIFIER_assert__cond~7 0)) (not (= main_~__tmp_9~0 0)) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (<= (+ main_~main__i~0 2) main_~main__len~0) (= main_~__VERIFIER_assert__cond~1 1) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= main_~__tmp_10~0 0))) [2020-10-23 21:59:36,020 INFO L270 CegarLoopResult]: At program point L119(line 119) the Hoare annotation is: (and (not (= main_~__VERIFIER_assert__cond~5 0)) (<= 0 main_~main__i~0) (not (= main_~__tmp_6~0 0)) (not (= main_~__VERIFIER_assert__cond~2 0)) (< main_~main__i~0 main_~main__len~0) (not (= main_~__VERIFIER_assert__cond~4 0)) (not (= main_~__tmp_3~0 0)) (= |old(~__return_334~0)| ~__return_334~0) (<= 1 main_~main__j~0) (not (= main_~__tmp_5~0 0)) (not (= main_~__tmp_4~0 0)) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (not (= main_~__VERIFIER_assert__cond~3 0)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0)) [2020-10-23 21:59:36,020 INFO L270 CegarLoopResult]: At program point L86(lines 86 127) the Hoare annotation is: (and (<= 0 main_~main__i~0) (not (= main_~__VERIFIER_assert__cond~2 0)) (<= 0 main_~main__j~0) (< main_~main__i~0 main_~main__len~0) (not (= main_~__tmp_4~0 0)) (not (= main_~__tmp_3~0 0)) (not (= main_~__VERIFIER_assert__cond~3 0)) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= |old(~__return_334~0)| ~__return_334~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0)) [2020-10-23 21:59:36,021 INFO L270 CegarLoopResult]: At program point L53(line 53) the Hoare annotation is: (and (<= 0 main_~main__i~0) (not (= main_~__tmp_1~0 0)) (not (= main_~__VERIFIER_assert__cond~0 0)) (<= 0 main_~main__j~0) (<= (+ main_~main__i~0 2) main_~main__len~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (= |old(~__return_334~0)| ~__return_334~0)) [2020-10-23 21:59:36,021 INFO L270 CegarLoopResult]: At program point L20(lines 20 312) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-10-23 21:59:36,021 INFO L270 CegarLoopResult]: At program point L235(line 235) the Hoare annotation is: (and (= main_~__tmp_2~0 1) (not (= main_~__VERIFIER_assert__cond~0 0)) (not (= main_~__VERIFIER_assert__cond~9 0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__VERIFIER_assert__cond~8 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= main_~__tmp_9~0 0)) (not (= main_~__VERIFIER_assert__cond~12 0)) (not (= main_~__tmp_14~0 0)) (not (= main_~__tmp_8~0 0)) (not (= main_~__tmp_7~0 0)) (<= 1 main_~main__i~0) (not (= main_~__tmp_11~0 0)) (<= 1 main_~main__j~0) (not (= main_~__tmp_1~0 0)) (not (= main_~__tmp_13~0 0)) (not (= main_~__VERIFIER_assert__cond~6 0)) (not (= main_~__VERIFIER_assert__cond~7 0)) (not (= main_~__tmp_12~0 0)) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (= main_~__VERIFIER_assert__cond~1 1) (not (= main_~__VERIFIER_assert__cond~13 0)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= (+ main_~main__i~0 1) main_~main__len~0) (not (= main_~__tmp_10~0 0))) [2020-10-23 21:59:36,021 INFO L270 CegarLoopResult]: At program point L202(line 202) the Hoare annotation is: (and (= main_~__tmp_2~0 1) (not (= main_~__tmp_8~0 0)) (not (= main_~__VERIFIER_assert__cond~0 0)) (not (= main_~__VERIFIER_assert__cond~9 0)) (not (= main_~__tmp_7~0 0)) (<= 1 main_~main__i~0) (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__VERIFIER_assert__cond~8 0)) (not (= main_~__tmp_11~0 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= main_~__tmp_1~0 0)) (<= 1 main_~main__j~0) (not (= main_~__VERIFIER_assert__cond~6 0)) (not (= main_~__VERIFIER_assert__cond~7 0)) (not (= main_~__tmp_9~0 0)) (not (= main_~__tmp_12~0 0)) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (= main_~__VERIFIER_assert__cond~1 1) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= (+ main_~main__i~0 1) main_~main__len~0) (not (= main_~__tmp_10~0 0))) [2020-10-23 21:59:36,021 INFO L270 CegarLoopResult]: At program point L136(line 136) the Hoare annotation is: (and (= main_~__tmp_2~0 1) (<= 0 main_~main__i~0) (not (= main_~__tmp_1~0 0)) (not (= main_~__VERIFIER_assert__cond~0 0)) (<= 0 main_~main__j~0) (= main_~__VERIFIER_assert__cond~1 1) (<= (+ main_~main__i~0 2) main_~main__len~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= |old(~__return_334~0)| ~__return_334~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0)) [2020-10-23 21:59:36,022 INFO L270 CegarLoopResult]: At program point L252(line 252) the Hoare annotation is: (and (= main_~__tmp_2~0 1) (not (= main_~__VERIFIER_assert__cond~0 0)) (not (= main_~__VERIFIER_assert__cond~9 0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__VERIFIER_assert__cond~8 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= main_~__tmp_9~0 0)) (not (= main_~__VERIFIER_assert__cond~12 0)) (<= (+ main_~main__j~0 3) main_~main__bufsize~0) (not (= main_~__tmp_14~0 0)) (not (= main_~__tmp_8~0 0)) (not (= main_~__tmp_15~0 0)) (not (= main_~__tmp_7~0 0)) (<= 1 main_~main__i~0) (not (= main_~__tmp_11~0 0)) (<= 2 main_~main__j~0) (not (= main_~__tmp_1~0 0)) (not (= main_~__tmp_13~0 0)) (not (= main_~__VERIFIER_assert__cond~6 0)) (not (= main_~__VERIFIER_assert__cond~7 0)) (not (= main_~__tmp_12~0 0)) (= main_~__VERIFIER_assert__cond~1 1) (not (= main_~__VERIFIER_assert__cond~13 0)) (not (= main_~__VERIFIER_assert__cond~14 0)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= main_~__tmp_10~0 0))) [2020-10-23 21:59:36,022 INFO L270 CegarLoopResult]: At program point L153(line 153) the Hoare annotation is: false [2020-10-23 21:59:36,022 INFO L270 CegarLoopResult]: At program point L120(line 120) the Hoare annotation is: (and (not (= main_~__VERIFIER_assert__cond~5 0)) (<= 0 main_~main__i~0) (not (= main_~__tmp_6~0 0)) (not (= main_~__VERIFIER_assert__cond~2 0)) (< main_~main__i~0 main_~main__len~0) (not (= main_~__VERIFIER_assert__cond~4 0)) (not (= main_~__tmp_3~0 0)) (= |old(~__return_334~0)| ~__return_334~0) (<= 1 main_~main__j~0) (not (= main_~__tmp_5~0 0)) (not (= main_~__tmp_4~0 0)) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (not (= main_~__VERIFIER_assert__cond~3 0)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0)) [2020-10-23 21:59:36,022 INFO L270 CegarLoopResult]: At program point L153-1(line 153) the Hoare annotation is: false [2020-10-23 21:59:36,022 INFO L270 CegarLoopResult]: At program point L54(line 54) the Hoare annotation is: (and (<= 0 main_~main__i~0) (not (= main_~__tmp_1~0 0)) (not (= main_~__VERIFIER_assert__cond~0 0)) (<= 0 main_~main__j~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= |old(~__return_334~0)| ~__return_334~0) (< (+ main_~main__i~0 1) main_~main__len~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0)) [2020-10-23 21:59:36,022 INFO L277 CegarLoopResult]: At program point mainFINAL(lines 13 313) the Hoare annotation is: true [2020-10-23 21:59:36,023 INFO L270 CegarLoopResult]: At program point L236(line 236) the Hoare annotation is: (and (= main_~__tmp_2~0 1) (not (= main_~__VERIFIER_assert__cond~0 0)) (not (= main_~__VERIFIER_assert__cond~9 0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__VERIFIER_assert__cond~8 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= main_~__tmp_9~0 0)) (not (= main_~__VERIFIER_assert__cond~12 0)) (<= (+ main_~main__j~0 3) main_~main__bufsize~0) (not (= main_~__tmp_14~0 0)) (not (= main_~__tmp_8~0 0)) (not (= main_~__tmp_7~0 0)) (<= 1 main_~main__i~0) (not (= main_~__tmp_11~0 0)) (<= 2 main_~main__j~0) (not (= main_~__tmp_1~0 0)) (not (= main_~__tmp_13~0 0)) (not (= main_~__VERIFIER_assert__cond~6 0)) (not (= main_~__VERIFIER_assert__cond~7 0)) (not (= main_~__tmp_12~0 0)) (= main_~__VERIFIER_assert__cond~1 1) (not (= main_~__VERIFIER_assert__cond~13 0)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= (+ main_~main__i~0 1) main_~main__len~0) (not (= main_~__tmp_10~0 0))) [2020-10-23 21:59:36,023 INFO L270 CegarLoopResult]: At program point L203(lines 203 273) the Hoare annotation is: (and (= main_~__tmp_2~0 1) (not (= main_~__tmp_8~0 0)) (not (= main_~__VERIFIER_assert__cond~0 0)) (not (= main_~__VERIFIER_assert__cond~9 0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (not (= main_~__tmp_7~0 0)) (<= 1 main_~main__i~0) (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__VERIFIER_assert__cond~8 0)) (not (= main_~__tmp_11~0 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= main_~__tmp_1~0 0)) (<= 1 main_~main__j~0) (not (= main_~__VERIFIER_assert__cond~6 0)) (not (= main_~__VERIFIER_assert__cond~7 0)) (not (= main_~__tmp_9~0 0)) (not (= main_~__tmp_12~0 0)) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (= main_~__VERIFIER_assert__cond~1 1) (<= (+ main_~main__i~0 1) main_~main__len~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= main_~__tmp_10~0 0))) [2020-10-23 21:59:36,023 INFO L270 CegarLoopResult]: At program point L137(line 137) the Hoare annotation is: (and (= main_~__tmp_2~0 1) (<= 0 main_~main__i~0) (not (= main_~__tmp_1~0 0)) (not (= main_~__VERIFIER_assert__cond~0 0)) (not (= main_~__tmp_7~0 0)) (<= 0 main_~main__j~0) (= main_~__VERIFIER_assert__cond~1 1) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (< (+ main_~main__i~0 1) main_~main__len~0) (= |old(~__return_334~0)| ~__return_334~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0)) [2020-10-23 21:59:36,023 INFO L270 CegarLoopResult]: At program point L71(line 71) the Hoare annotation is: (and (<= 0 main_~main__i~0) (< main_~main__i~0 main_~main__len~0) (<= 0 main_~main__j~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= |old(~__return_334~0)| ~__return_334~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0)) [2020-10-23 21:59:36,023 INFO L270 CegarLoopResult]: At program point L38(lines 38 294) the Hoare annotation is: (and (<= 0 main_~main__i~0) (<= 0 main_~main__j~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (<= (+ main_~main__i~0 1) main_~main__len~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (= |old(~__return_334~0)| ~__return_334~0)) [2020-10-23 21:59:36,023 INFO L270 CegarLoopResult]: At program point L253(line 253) the Hoare annotation is: (and (= main_~__tmp_2~0 1) (not (= main_~__VERIFIER_assert__cond~0 0)) (not (= main_~__VERIFIER_assert__cond~9 0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__VERIFIER_assert__cond~8 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= main_~__tmp_9~0 0)) (not (= main_~__VERIFIER_assert__cond~12 0)) (<= (+ main_~main__j~0 3) main_~main__bufsize~0) (not (= main_~__tmp_14~0 0)) (not (= main_~__tmp_8~0 0)) (not (= main_~__tmp_15~0 0)) (not (= main_~__tmp_16~0 0)) (not (= main_~__tmp_7~0 0)) (<= 1 main_~main__i~0) (not (= main_~__tmp_11~0 0)) (<= 2 main_~main__j~0) (not (= main_~__tmp_1~0 0)) (not (= main_~__tmp_13~0 0)) (not (= main_~__VERIFIER_assert__cond~6 0)) (not (= main_~__VERIFIER_assert__cond~7 0)) (not (= main_~__tmp_12~0 0)) (= main_~__VERIFIER_assert__cond~1 1) (not (= main_~__VERIFIER_assert__cond~13 0)) (not (= main_~__VERIFIER_assert__cond~14 0)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= main_~__tmp_10~0 0))) [2020-10-23 21:59:36,024 INFO L270 CegarLoopResult]: At program point L187(line 187) the Hoare annotation is: (and (= main_~__tmp_2~0 1) (not (= main_~__tmp_8~0 0)) (not (= main_~__VERIFIER_assert__cond~0 0)) (not (= main_~__VERIFIER_assert__cond~9 0)) (not (= main_~__tmp_7~0 0)) (<= 1 main_~main__i~0) (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__VERIFIER_assert__cond~8 0)) (<= 1 main_~main__j~0) (not (= main_~__tmp_1~0 0)) (not (= main_~__VERIFIER_assert__cond~6 0)) (not (= main_~__VERIFIER_assert__cond~7 0)) (not (= main_~__tmp_9~0 0)) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (= main_~__VERIFIER_assert__cond~1 1) (<= (+ main_~main__i~0 1) main_~main__len~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= main_~__tmp_10~0 0))) [2020-10-23 21:59:36,024 INFO L270 CegarLoopResult]: At program point L88(line 88) the Hoare annotation is: false [2020-10-23 21:59:36,024 INFO L270 CegarLoopResult]: At program point L55(line 55) the Hoare annotation is: (and (= main_~__tmp_2~0 1) (<= 0 main_~main__i~0) (not (= main_~__tmp_1~0 0)) (not (= main_~__VERIFIER_assert__cond~0 0)) (<= 0 main_~main__j~0) (<= (+ main_~main__i~0 2) main_~main__len~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= |old(~__return_334~0)| ~__return_334~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0)) [2020-10-23 21:59:36,024 INFO L270 CegarLoopResult]: At program point L88-1(line 88) the Hoare annotation is: false [2020-10-23 21:59:36,024 INFO L270 CegarLoopResult]: At program point L22(line 22) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-10-23 21:59:36,024 INFO L270 CegarLoopResult]: At program point L237(line 237) the Hoare annotation is: (and (= main_~__tmp_2~0 1) (not (= main_~__VERIFIER_assert__cond~0 0)) (not (= main_~__VERIFIER_assert__cond~9 0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__VERIFIER_assert__cond~8 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= main_~__tmp_9~0 0)) (not (= main_~__VERIFIER_assert__cond~12 0)) (<= (+ main_~main__j~0 3) main_~main__bufsize~0) (not (= main_~__tmp_14~0 0)) (not (= main_~__tmp_8~0 0)) (not (= main_~__tmp_7~0 0)) (<= 1 main_~main__i~0) (not (= main_~__tmp_11~0 0)) (<= 2 main_~main__j~0) (not (= main_~__tmp_1~0 0)) (not (= main_~__tmp_13~0 0)) (not (= main_~__VERIFIER_assert__cond~6 0)) (not (= main_~__VERIFIER_assert__cond~7 0)) (not (= main_~__tmp_12~0 0)) (= main_~__VERIFIER_assert__cond~1 1) (not (= main_~__VERIFIER_assert__cond~13 0)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= (+ main_~main__i~0 1) main_~main__len~0) (not (= main_~__tmp_10~0 0))) [2020-10-23 21:59:36,025 INFO L270 CegarLoopResult]: At program point L171(line 171) the Hoare annotation is: (and (= main_~__tmp_2~0 1) (<= 0 main_~main__i~0) (not (= main_~__tmp_8~0 0)) (not (= main_~__VERIFIER_assert__cond~0 0)) (not (= main_~__tmp_7~0 0)) (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__VERIFIER_assert__cond~8 0)) (not (= main_~__tmp_1~0 0)) (not (= main_~__VERIFIER_assert__cond~6 0)) (not (= main_~__VERIFIER_assert__cond~7 0)) (not (= main_~__tmp_9~0 0)) (<= 0 main_~main__j~0) (= main_~__VERIFIER_assert__cond~1 1) (<= (+ main_~main__i~0 2) main_~main__len~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0)) [2020-10-23 21:59:36,025 INFO L270 CegarLoopResult]: At program point L138(line 138) the Hoare annotation is: (and (= main_~__tmp_2~0 1) (<= 0 main_~main__i~0) (not (= main_~__tmp_1~0 0)) (not (= main_~__VERIFIER_assert__cond~0 0)) (not (= main_~__tmp_7~0 0)) (<= 0 main_~main__j~0) (= main_~__VERIFIER_assert__cond~1 1) (<= (+ main_~main__i~0 2) main_~main__len~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= |old(~__return_334~0)| ~__return_334~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0)) [2020-10-23 21:59:36,025 INFO L270 CegarLoopResult]: At program point L72(line 72) the Hoare annotation is: (and (<= 0 main_~main__i~0) (< main_~main__i~0 main_~main__len~0) (<= 0 main_~main__j~0) (not (= main_~__tmp_3~0 0)) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= |old(~__return_334~0)| ~__return_334~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0)) [2020-10-23 21:59:36,025 INFO L270 CegarLoopResult]: At program point L254(line 254) the Hoare annotation is: (and (= main_~__tmp_2~0 1) (not (= main_~__VERIFIER_assert__cond~0 0)) (not (= main_~__VERIFIER_assert__cond~9 0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__VERIFIER_assert__cond~8 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= main_~__tmp_9~0 0)) (not (= main_~__VERIFIER_assert__cond~12 0)) (<= (+ main_~main__j~0 3) main_~main__bufsize~0) (not (= main_~__tmp_14~0 0)) (not (= main_~__tmp_8~0 0)) (not (= main_~__tmp_15~0 0)) (not (= main_~__tmp_16~0 0)) (not (= main_~__tmp_7~0 0)) (<= 1 main_~main__i~0) (not (= main_~__tmp_11~0 0)) (<= 2 main_~main__j~0) (not (= main_~__tmp_1~0 0)) (not (= main_~__tmp_13~0 0)) (not (= main_~__VERIFIER_assert__cond~6 0)) (not (= main_~__VERIFIER_assert__cond~7 0)) (not (= main_~__tmp_12~0 0)) (= main_~__VERIFIER_assert__cond~1 1) (not (= main_~__VERIFIER_assert__cond~13 0)) (not (= main_~__VERIFIER_assert__cond~14 0)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= main_~__tmp_10~0 0))) [2020-10-23 21:59:36,025 INFO L270 CegarLoopResult]: At program point L188(line 188) the Hoare annotation is: (and (= main_~__tmp_2~0 1) (not (= main_~__tmp_8~0 0)) (not (= main_~__VERIFIER_assert__cond~0 0)) (not (= main_~__VERIFIER_assert__cond~9 0)) (not (= main_~__tmp_7~0 0)) (<= 1 main_~main__i~0) (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__VERIFIER_assert__cond~8 0)) (not (= main_~__tmp_1~0 0)) (<= 1 main_~main__j~0) (not (= main_~__VERIFIER_assert__cond~6 0)) (not (= main_~__VERIFIER_assert__cond~7 0)) (not (= main_~__tmp_9~0 0)) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (= main_~__VERIFIER_assert__cond~1 1) (<= (+ main_~main__i~0 1) main_~main__len~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= main_~__tmp_10~0 0))) [2020-10-23 21:59:36,026 INFO L270 CegarLoopResult]: At program point L56(line 56) the Hoare annotation is: (and (= main_~__tmp_2~0 1) (<= 0 main_~main__i~0) (not (= main_~__tmp_1~0 0)) (not (= main_~__VERIFIER_assert__cond~0 0)) (<= 0 main_~main__j~0) (<= (+ main_~main__i~0 2) main_~main__len~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= |old(~__return_334~0)| ~__return_334~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0)) [2020-10-23 21:59:36,026 INFO L270 CegarLoopResult]: At program point L304(lines 25 312) the Hoare annotation is: (and (<= 0 main_~main__i~0) (= |old(~__return_334~0)| ~__return_334~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0)) [2020-10-23 21:59:36,026 INFO L270 CegarLoopResult]: At program point L205(line 205) the Hoare annotation is: false [2020-10-23 21:59:36,026 INFO L270 CegarLoopResult]: At program point L172(line 172) the Hoare annotation is: (and (= main_~__tmp_2~0 1) (<= 0 main_~main__i~0) (not (= main_~__tmp_8~0 0)) (not (= main_~__VERIFIER_assert__cond~0 0)) (not (= main_~__tmp_7~0 0)) (< (+ main_~main__i~0 1) main_~main__len~0) (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__VERIFIER_assert__cond~8 0)) (not (= main_~__tmp_1~0 0)) (not (= main_~__VERIFIER_assert__cond~6 0)) (not (= main_~__VERIFIER_assert__cond~7 0)) (not (= main_~__tmp_9~0 0)) (<= 0 main_~main__j~0) (= main_~__VERIFIER_assert__cond~1 1) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0)) [2020-10-23 21:59:36,026 INFO L270 CegarLoopResult]: At program point L205-1(line 205) the Hoare annotation is: false [2020-10-23 21:59:36,026 INFO L270 CegarLoopResult]: At program point L139(lines 139 283) the Hoare annotation is: (and (= main_~__tmp_2~0 1) (<= 0 main_~main__i~0) (not (= main_~__tmp_1~0 0)) (not (= main_~__VERIFIER_assert__cond~6 0)) (not (= main_~__VERIFIER_assert__cond~0 0)) (not (= main_~__tmp_7~0 0)) (<= 0 main_~main__j~0) (= main_~__VERIFIER_assert__cond~1 1) (<= (+ main_~main__i~0 2) main_~main__len~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (= |old(~__return_334~0)| ~__return_334~0)) [2020-10-23 21:59:36,027 INFO L270 CegarLoopResult]: At program point L106(line 106) the Hoare annotation is: (and (<= 0 main_~main__i~0) (not (= main_~__VERIFIER_assert__cond~2 0)) (not (= main_~__tmp_5~0 0)) (< main_~main__i~0 main_~main__len~0) (<= 0 main_~main__j~0) (not (= main_~__tmp_4~0 0)) (not (= main_~__tmp_3~0 0)) (not (= main_~__VERIFIER_assert__cond~4 0)) (not (= main_~__VERIFIER_assert__cond~3 0)) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= |old(~__return_334~0)| ~__return_334~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0)) [2020-10-23 21:59:36,027 INFO L270 CegarLoopResult]: At program point L73(line 73) the Hoare annotation is: (and (<= 0 main_~main__i~0) (<= 0 main_~main__j~0) (< main_~main__i~0 main_~main__len~0) (not (= main_~__tmp_3~0 0)) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= |old(~__return_334~0)| ~__return_334~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0)) [2020-10-23 21:59:36,027 INFO L270 CegarLoopResult]: At program point L255(lines 255 265) the Hoare annotation is: (and (= main_~__tmp_2~0 1) (not (= main_~__VERIFIER_assert__cond~0 0)) (not (= main_~__VERIFIER_assert__cond~9 0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__VERIFIER_assert__cond~8 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= main_~__tmp_9~0 0)) (not (= main_~__VERIFIER_assert__cond~15 0)) (not (= main_~__VERIFIER_assert__cond~12 0)) (<= (+ main_~main__j~0 3) main_~main__bufsize~0) (not (= main_~__tmp_14~0 0)) (not (= main_~__tmp_8~0 0)) (not (= main_~__tmp_15~0 0)) (not (= main_~__tmp_16~0 0)) (not (= main_~__tmp_7~0 0)) (<= 1 main_~main__i~0) (not (= main_~__tmp_11~0 0)) (<= 2 main_~main__j~0) (not (= main_~__tmp_1~0 0)) (not (= main_~__tmp_13~0 0)) (not (= main_~__VERIFIER_assert__cond~6 0)) (not (= main_~__VERIFIER_assert__cond~7 0)) (not (= main_~__tmp_12~0 0)) (= main_~__VERIFIER_assert__cond~1 1) (not (= main_~__VERIFIER_assert__cond~13 0)) (not (= main_~__VERIFIER_assert__cond~14 0)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= main_~__tmp_10~0 0))) [2020-10-23 21:59:36,027 INFO L270 CegarLoopResult]: At program point L189(line 189) the Hoare annotation is: (and (= main_~__tmp_2~0 1) (not (= main_~__tmp_8~0 0)) (not (= main_~__VERIFIER_assert__cond~0 0)) (not (= main_~__VERIFIER_assert__cond~9 0)) (not (= main_~__tmp_7~0 0)) (<= 1 main_~main__i~0) (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__VERIFIER_assert__cond~8 0)) (not (= main_~__tmp_11~0 0)) (<= 1 main_~main__j~0) (not (= main_~__tmp_1~0 0)) (not (= main_~__VERIFIER_assert__cond~6 0)) (not (= main_~__VERIFIER_assert__cond~7 0)) (not (= main_~__tmp_9~0 0)) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (= main_~__VERIFIER_assert__cond~1 1) (<= (+ main_~main__i~0 1) main_~main__len~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= main_~__tmp_10~0 0))) [2020-10-23 21:59:36,027 INFO L270 CegarLoopResult]: At program point L57(lines 57 286) the Hoare annotation is: (and (= main_~__tmp_2~0 1) (<= 0 main_~main__i~0) (not (= main_~__tmp_1~0 0)) (not (= main_~__VERIFIER_assert__cond~0 0)) (<= 0 main_~main__j~0) (= main_~__VERIFIER_assert__cond~1 1) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (< (+ main_~main__i~0 1) main_~main__len~0) (= |old(~__return_334~0)| ~__return_334~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0)) [2020-10-23 21:59:36,028 INFO L270 CegarLoopResult]: At program point L239(line 239) the Hoare annotation is: (and (= main_~__tmp_2~0 1) (not (= main_~__VERIFIER_assert__cond~0 0)) (not (= main_~__VERIFIER_assert__cond~9 0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__VERIFIER_assert__cond~8 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= main_~__tmp_9~0 0)) (not (= main_~__VERIFIER_assert__cond~12 0)) (<= (+ main_~main__j~0 3) main_~main__bufsize~0) (not (= main_~__tmp_14~0 0)) (not (= main_~__tmp_8~0 0)) (not (= main_~__tmp_7~0 0)) (<= 1 main_~main__i~0) (not (= main_~__tmp_11~0 0)) (<= 2 main_~main__j~0) (not (= main_~__tmp_1~0 0)) (not (= main_~__tmp_13~0 0)) (not (= main_~__VERIFIER_assert__cond~6 0)) (not (= main_~__VERIFIER_assert__cond~7 0)) (not (= main_~__tmp_12~0 0)) (= main_~__VERIFIER_assert__cond~1 1) (not (= main_~__VERIFIER_assert__cond~13 0)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= main_~__tmp_10~0 0))) [2020-10-23 21:59:36,028 INFO L270 CegarLoopResult]: At program point L173(line 173) the Hoare annotation is: (and (= main_~__tmp_2~0 1) (<= 0 main_~main__i~0) (not (= main_~__tmp_8~0 0)) (not (= main_~__VERIFIER_assert__cond~0 0)) (not (= main_~__tmp_7~0 0)) (< (+ main_~main__i~0 1) main_~main__len~0) (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__VERIFIER_assert__cond~8 0)) (not (= main_~__tmp_1~0 0)) (not (= main_~__VERIFIER_assert__cond~6 0)) (not (= main_~__VERIFIER_assert__cond~7 0)) (not (= main_~__tmp_9~0 0)) (<= 0 main_~main__j~0) (= main_~__VERIFIER_assert__cond~1 1) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= main_~__tmp_10~0 0))) [2020-10-23 21:59:36,028 INFO L270 CegarLoopResult]: At program point L107(line 107) the Hoare annotation is: (and (<= 0 main_~main__i~0) (not (= main_~__VERIFIER_assert__cond~2 0)) (not (= main_~__tmp_5~0 0)) (< main_~main__i~0 main_~main__len~0) (<= 0 main_~main__j~0) (not (= main_~__tmp_4~0 0)) (not (= main_~__tmp_3~0 0)) (not (= main_~__VERIFIER_assert__cond~4 0)) (not (= main_~__VERIFIER_assert__cond~3 0)) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= |old(~__return_334~0)| ~__return_334~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0)) [2020-10-23 21:59:36,028 INFO L270 CegarLoopResult]: At program point L74(lines 74 129) the Hoare annotation is: (and (<= 0 main_~main__i~0) (not (= main_~__VERIFIER_assert__cond~2 0)) (<= 0 main_~main__j~0) (< main_~main__i~0 main_~main__len~0) (not (= main_~__tmp_3~0 0)) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= |old(~__return_334~0)| ~__return_334~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0)) [2020-10-23 21:59:36,028 INFO L270 CegarLoopResult]: At program point L41(line 41) the Hoare annotation is: (and (<= 0 main_~main__i~0) (<= 0 main_~main__j~0) (<= (+ main_~main__i~0 2) main_~main__len~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= |old(~__return_334~0)| ~__return_334~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0)) [2020-10-23 21:59:36,029 INFO L270 CegarLoopResult]: At program point L223(line 223) the Hoare annotation is: (and (= main_~__tmp_2~0 1) (not (= main_~__tmp_8~0 0)) (not (= main_~__VERIFIER_assert__cond~0 0)) (not (= main_~__VERIFIER_assert__cond~9 0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (not (= main_~__tmp_7~0 0)) (<= 1 main_~main__i~0) (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__VERIFIER_assert__cond~8 0)) (not (= main_~__tmp_11~0 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= main_~__tmp_1~0 0)) (<= 1 main_~main__j~0) (not (= main_~__tmp_13~0 0)) (not (= main_~__VERIFIER_assert__cond~6 0)) (not (= main_~__VERIFIER_assert__cond~7 0)) (not (= main_~__tmp_9~0 0)) (not (= main_~__tmp_12~0 0)) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (= main_~__VERIFIER_assert__cond~1 1) (not (= main_~__VERIFIER_assert__cond~12 0)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= (+ main_~main__i~0 1) main_~main__len~0) (not (= main_~__tmp_10~0 0))) [2020-10-23 21:59:36,029 INFO L270 CegarLoopResult]: At program point L190(line 190) the Hoare annotation is: (and (= main_~__tmp_2~0 1) (not (= main_~__tmp_8~0 0)) (not (= main_~__VERIFIER_assert__cond~0 0)) (not (= main_~__VERIFIER_assert__cond~9 0)) (not (= main_~__tmp_7~0 0)) (<= 1 main_~main__i~0) (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__VERIFIER_assert__cond~8 0)) (not (= main_~__tmp_11~0 0)) (<= 1 main_~main__j~0) (not (= main_~__tmp_1~0 0)) (not (= main_~__VERIFIER_assert__cond~6 0)) (not (= main_~__VERIFIER_assert__cond~7 0)) (not (= main_~__tmp_9~0 0)) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (= main_~__VERIFIER_assert__cond~1 1) (<= (+ main_~main__i~0 1) main_~main__len~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= main_~__tmp_10~0 0))) [2020-10-23 21:59:36,029 INFO L270 CegarLoopResult]: At program point L240(line 240) the Hoare annotation is: (and (= main_~__tmp_2~0 1) (not (= main_~__VERIFIER_assert__cond~0 0)) (not (= main_~__VERIFIER_assert__cond~9 0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__VERIFIER_assert__cond~8 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= main_~__tmp_9~0 0)) (not (= main_~__VERIFIER_assert__cond~12 0)) (<= (+ main_~main__j~0 3) main_~main__bufsize~0) (not (= main_~__tmp_14~0 0)) (not (= main_~__tmp_8~0 0)) (not (= main_~__tmp_7~0 0)) (<= 1 main_~main__i~0) (not (= main_~__tmp_11~0 0)) (<= 2 main_~main__j~0) (not (= main_~__tmp_1~0 0)) (not (= main_~__tmp_13~0 0)) (not (= main_~__VERIFIER_assert__cond~6 0)) (not (= main_~__VERIFIER_assert__cond~7 0)) (not (= main_~__tmp_12~0 0)) (= main_~__VERIFIER_assert__cond~1 1) (not (= main_~__VERIFIER_assert__cond~13 0)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= main_~__tmp_10~0 0))) [2020-10-23 21:59:36,029 INFO L270 CegarLoopResult]: At program point L174(line 174) the Hoare annotation is: (and (= main_~__tmp_2~0 1) (<= 0 main_~main__i~0) (not (= main_~__tmp_8~0 0)) (not (= main_~__VERIFIER_assert__cond~0 0)) (not (= main_~__tmp_7~0 0)) (< (+ main_~main__i~0 1) main_~main__len~0) (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__VERIFIER_assert__cond~8 0)) (not (= main_~__tmp_1~0 0)) (not (= main_~__VERIFIER_assert__cond~6 0)) (not (= main_~__VERIFIER_assert__cond~7 0)) (not (= main_~__tmp_9~0 0)) (<= 0 main_~main__j~0) (= main_~__VERIFIER_assert__cond~1 1) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= main_~__tmp_10~0 0))) [2020-10-23 21:59:36,030 INFO L270 CegarLoopResult]: At program point L141(line 141) the Hoare annotation is: false [2020-10-23 21:59:36,030 INFO L270 CegarLoopResult]: At program point L108(line 108) the Hoare annotation is: (and (<= 0 main_~main__i~0) (not (= main_~__tmp_6~0 0)) (not (= main_~__VERIFIER_assert__cond~2 0)) (< main_~main__i~0 main_~main__len~0) (not (= main_~__tmp_3~0 0)) (not (= main_~__VERIFIER_assert__cond~4 0)) (= |old(~__return_334~0)| ~__return_334~0) (<= 0 main_~main__j~0) (not (= main_~__tmp_5~0 0)) (not (= main_~__tmp_4~0 0)) (not (= main_~__VERIFIER_assert__cond~3 0)) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0)) [2020-10-23 21:59:36,030 INFO L270 CegarLoopResult]: At program point L141-1(line 141) the Hoare annotation is: false [2020-10-23 21:59:36,030 INFO L270 CegarLoopResult]: At program point L42(line 42) the Hoare annotation is: (and (<= 0 main_~main__i~0) (<= 0 main_~main__j~0) (<= (+ main_~main__i~0 2) main_~main__len~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= |old(~__return_334~0)| ~__return_334~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0)) [2020-10-23 21:59:36,030 INFO L270 CegarLoopResult]: At program point L257(line 257) the Hoare annotation is: false [2020-10-23 21:59:36,030 INFO L270 CegarLoopResult]: At program point L224(line 224) the Hoare annotation is: (and (= main_~__tmp_2~0 1) (not (= main_~__tmp_8~0 0)) (not (= main_~__VERIFIER_assert__cond~0 0)) (not (= main_~__VERIFIER_assert__cond~9 0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (not (= main_~__tmp_7~0 0)) (<= 1 main_~main__i~0) (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__VERIFIER_assert__cond~8 0)) (not (= main_~__tmp_11~0 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (<= 1 main_~main__j~0) (not (= main_~__tmp_1~0 0)) (not (= main_~__tmp_13~0 0)) (not (= main_~__VERIFIER_assert__cond~6 0)) (not (= main_~__VERIFIER_assert__cond~7 0)) (not (= main_~__tmp_9~0 0)) (not (= main_~__tmp_12~0 0)) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (= main_~__VERIFIER_assert__cond~1 1) (not (= main_~__VERIFIER_assert__cond~12 0)) (<= (+ main_~main__i~0 1) main_~main__len~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= main_~__tmp_10~0 0))) [2020-10-23 21:59:36,030 INFO L270 CegarLoopResult]: At program point L257-1(line 257) the Hoare annotation is: false [2020-10-23 21:59:36,031 INFO L270 CegarLoopResult]: At program point L191(lines 191 275) the Hoare annotation is: (and (= main_~__tmp_2~0 1) (not (= main_~__tmp_8~0 0)) (not (= main_~__VERIFIER_assert__cond~0 0)) (not (= main_~__VERIFIER_assert__cond~9 0)) (not (= main_~__tmp_7~0 0)) (<= 1 main_~main__i~0) (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__VERIFIER_assert__cond~8 0)) (not (= main_~__tmp_11~0 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (<= 1 main_~main__j~0) (not (= main_~__tmp_1~0 0)) (not (= main_~__VERIFIER_assert__cond~6 0)) (not (= main_~__VERIFIER_assert__cond~7 0)) (not (= main_~__tmp_9~0 0)) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (= main_~__VERIFIER_assert__cond~1 1) (<= (+ main_~main__i~0 1) main_~main__len~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= main_~__tmp_10~0 0))) [2020-10-23 21:59:36,031 INFO L270 CegarLoopResult]: At program point L59(line 59) the Hoare annotation is: false [2020-10-23 21:59:36,031 INFO L270 CegarLoopResult]: At program point L26(line 26) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-10-23 21:59:36,031 INFO L270 CegarLoopResult]: At program point L59-1(line 59) the Hoare annotation is: false [2020-10-23 21:59:36,031 INFO L270 CegarLoopResult]: At program point L26-1(line 26) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-10-23 21:59:36,031 INFO L270 CegarLoopResult]: At program point L26-2(line 26) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-10-23 21:59:36,031 INFO L270 CegarLoopResult]: At program point L241(line 241) the Hoare annotation is: (and (= main_~__tmp_2~0 1) (not (= main_~__VERIFIER_assert__cond~0 0)) (not (= main_~__VERIFIER_assert__cond~9 0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__VERIFIER_assert__cond~8 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= main_~__tmp_9~0 0)) (not (= main_~__VERIFIER_assert__cond~12 0)) (<= (+ main_~main__j~0 3) main_~main__bufsize~0) (not (= main_~__tmp_14~0 0)) (not (= main_~__tmp_8~0 0)) (not (= main_~__tmp_15~0 0)) (not (= main_~__tmp_7~0 0)) (<= 1 main_~main__i~0) (not (= main_~__tmp_11~0 0)) (<= 2 main_~main__j~0) (not (= main_~__tmp_1~0 0)) (not (= main_~__tmp_13~0 0)) (not (= main_~__VERIFIER_assert__cond~6 0)) (not (= main_~__VERIFIER_assert__cond~7 0)) (not (= main_~__tmp_12~0 0)) (= main_~__VERIFIER_assert__cond~1 1) (not (= main_~__VERIFIER_assert__cond~13 0)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= main_~__tmp_10~0 0))) [2020-10-23 21:59:36,032 INFO L270 CegarLoopResult]: At program point L175(lines 175 277) the Hoare annotation is: (and (= main_~__tmp_2~0 1) (<= 0 main_~main__i~0) (not (= main_~__tmp_8~0 0)) (not (= main_~__VERIFIER_assert__cond~0 0)) (not (= main_~__VERIFIER_assert__cond~9 0)) (not (= main_~__tmp_7~0 0)) (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__VERIFIER_assert__cond~8 0)) (not (= main_~__tmp_1~0 0)) (not (= main_~__VERIFIER_assert__cond~6 0)) (not (= main_~__VERIFIER_assert__cond~7 0)) (not (= main_~__tmp_9~0 0)) (<= 0 main_~main__j~0) (<= (+ main_~main__i~0 2) main_~main__len~0) (= main_~__VERIFIER_assert__cond~1 1) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= main_~__tmp_10~0 0))) [2020-10-23 21:59:36,032 INFO L270 CegarLoopResult]: At program point L109(line 109) the Hoare annotation is: (and (<= 0 main_~main__i~0) (not (= main_~__tmp_6~0 0)) (not (= main_~__VERIFIER_assert__cond~2 0)) (< main_~main__i~0 main_~main__len~0) (not (= main_~__VERIFIER_assert__cond~4 0)) (not (= main_~__tmp_3~0 0)) (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__tmp_5~0 0)) (<= 0 main_~main__j~0) (not (= main_~__tmp_4~0 0)) (not (= main_~__VERIFIER_assert__cond~3 0)) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0)) [2020-10-23 21:59:36,032 INFO L270 CegarLoopResult]: At program point L76(line 76) the Hoare annotation is: false [2020-10-23 21:59:36,032 INFO L270 CegarLoopResult]: At program point L43(line 43) the Hoare annotation is: (and (<= 0 main_~main__i~0) (not (= main_~__tmp_1~0 0)) (<= 0 main_~main__j~0) (<= (+ main_~main__i~0 2) main_~main__len~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= |old(~__return_334~0)| ~__return_334~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0)) [2020-10-23 21:59:36,032 INFO L270 CegarLoopResult]: At program point L76-1(line 76) the Hoare annotation is: false [2020-10-23 21:59:36,033 INFO L270 CegarLoopResult]: At program point L225(line 225) the Hoare annotation is: (and (= main_~__tmp_2~0 1) (not (= main_~__VERIFIER_assert__cond~0 0)) (not (= main_~__VERIFIER_assert__cond~9 0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__VERIFIER_assert__cond~8 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= main_~__tmp_9~0 0)) (not (= main_~__VERIFIER_assert__cond~12 0)) (not (= main_~__tmp_14~0 0)) (not (= main_~__tmp_8~0 0)) (not (= main_~__tmp_7~0 0)) (<= 1 main_~main__i~0) (not (= main_~__tmp_11~0 0)) (<= 1 main_~main__j~0) (not (= main_~__tmp_1~0 0)) (not (= main_~__tmp_13~0 0)) (not (= main_~__VERIFIER_assert__cond~6 0)) (not (= main_~__VERIFIER_assert__cond~7 0)) (not (= main_~__tmp_12~0 0)) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (= main_~__VERIFIER_assert__cond~1 1) (<= (+ main_~main__i~0 1) main_~main__len~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= main_~__tmp_10~0 0))) [2020-10-23 21:59:36,033 INFO L270 CegarLoopResult]: At program point L159(line 159) the Hoare annotation is: (and (let ((.cse0 (= main_~__tmp_2~0 1)) (.cse1 (not (= main_~__tmp_8~0 0))) (.cse2 (not (= main_~__tmp_1~0 0))) (.cse3 (not (= main_~__VERIFIER_assert__cond~0 0))) (.cse4 (not (= main_~__VERIFIER_assert__cond~6 0))) (.cse5 (not (= main_~__VERIFIER_assert__cond~7 0))) (.cse6 (not (= main_~__tmp_7~0 0))) (.cse7 (<= 0 main_~main__j~0)) (.cse8 (= main_~__VERIFIER_assert__cond~1 1)) (.cse9 (<= (+ main_~main__i~0 2) main_~main__len~0)) (.cse10 (= |old(~__return_334~0)| ~__return_334~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (<= 1 main_~main__i~0) .cse8 .cse9 .cse10) (and .cse0 (= main_~main__i~0 0) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10))) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0)) [2020-10-23 21:59:36,033 INFO L270 CegarLoopResult]: At program point L27(line 27) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-10-23 21:59:36,033 INFO L270 CegarLoopResult]: At program point L242(line 242) the Hoare annotation is: (and (= main_~__tmp_2~0 1) (not (= main_~__VERIFIER_assert__cond~0 0)) (not (= main_~__VERIFIER_assert__cond~9 0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__VERIFIER_assert__cond~8 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= main_~__tmp_9~0 0)) (not (= main_~__VERIFIER_assert__cond~12 0)) (<= (+ main_~main__j~0 3) main_~main__bufsize~0) (not (= main_~__tmp_14~0 0)) (not (= main_~__tmp_8~0 0)) (not (= main_~__tmp_15~0 0)) (not (= main_~__tmp_7~0 0)) (<= 1 main_~main__i~0) (not (= main_~__tmp_11~0 0)) (<= 2 main_~main__j~0) (not (= main_~__tmp_1~0 0)) (not (= main_~__tmp_13~0 0)) (not (= main_~__VERIFIER_assert__cond~6 0)) (not (= main_~__VERIFIER_assert__cond~7 0)) (not (= main_~__tmp_12~0 0)) (= main_~__VERIFIER_assert__cond~1 1) (not (= main_~__VERIFIER_assert__cond~13 0)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= main_~__tmp_10~0 0))) [2020-10-23 21:59:36,033 INFO L270 CegarLoopResult]: At program point L110(lines 110 123) the Hoare annotation is: (and (not (= main_~__VERIFIER_assert__cond~5 0)) (<= 0 main_~main__i~0) (not (= main_~__tmp_6~0 0)) (not (= main_~__VERIFIER_assert__cond~2 0)) (< main_~main__i~0 main_~main__len~0) (not (= main_~__VERIFIER_assert__cond~4 0)) (not (= main_~__tmp_3~0 0)) (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__tmp_5~0 0)) (<= 0 main_~main__j~0) (not (= main_~__tmp_4~0 0)) (not (= main_~__VERIFIER_assert__cond~3 0)) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0)) [2020-10-23 21:59:36,034 INFO L270 CegarLoopResult]: At program point L44(line 44) the Hoare annotation is: (and (<= 0 main_~main__i~0) (not (= main_~__tmp_1~0 0)) (<= 0 main_~main__j~0) (<= (+ main_~main__i~0 2) main_~main__len~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= |old(~__return_334~0)| ~__return_334~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0)) [2020-10-23 21:59:36,034 INFO L270 CegarLoopResult]: At program point L226(line 226) the Hoare annotation is: (and (= main_~__tmp_2~0 1) (not (= main_~__VERIFIER_assert__cond~0 0)) (not (= main_~__VERIFIER_assert__cond~9 0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__VERIFIER_assert__cond~8 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= main_~__tmp_9~0 0)) (not (= main_~__VERIFIER_assert__cond~12 0)) (not (= main_~__tmp_14~0 0)) (not (= main_~__tmp_8~0 0)) (not (= main_~__tmp_7~0 0)) (<= 1 main_~main__i~0) (not (= main_~__tmp_11~0 0)) (not (= main_~__tmp_1~0 0)) (<= 1 main_~main__j~0) (not (= main_~__tmp_13~0 0)) (not (= main_~__VERIFIER_assert__cond~6 0)) (not (= main_~__VERIFIER_assert__cond~7 0)) (not (= main_~__tmp_12~0 0)) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (= main_~__VERIFIER_assert__cond~1 1) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= (+ main_~main__i~0 1) main_~main__len~0) (not (= main_~__tmp_10~0 0))) [2020-10-23 21:59:36,034 INFO L270 CegarLoopResult]: At program point L193(line 193) the Hoare annotation is: false [2020-10-23 21:59:36,034 INFO L270 CegarLoopResult]: At program point L160(line 160) the Hoare annotation is: (and (= main_~__tmp_2~0 1) (<= 0 main_~main__i~0) (not (= main_~__tmp_8~0 0)) (not (= main_~__VERIFIER_assert__cond~0 0)) (not (= main_~__tmp_7~0 0)) (< (+ main_~main__i~0 1) main_~main__len~0) (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__tmp_1~0 0)) (not (= main_~__VERIFIER_assert__cond~6 0)) (not (= main_~__VERIFIER_assert__cond~7 0)) (<= 0 main_~main__j~0) (= main_~__VERIFIER_assert__cond~1 1) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0)) [2020-10-23 21:59:36,034 INFO L270 CegarLoopResult]: At program point L193-1(line 193) the Hoare annotation is: false [2020-10-23 21:59:36,034 INFO L270 CegarLoopResult]: At program point L94(line 94) the Hoare annotation is: (and (<= 0 main_~main__i~0) (not (= main_~__VERIFIER_assert__cond~2 0)) (<= 0 main_~main__j~0) (< main_~main__i~0 main_~main__len~0) (not (= main_~__tmp_4~0 0)) (not (= main_~__tmp_3~0 0)) (not (= main_~__VERIFIER_assert__cond~3 0)) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= |old(~__return_334~0)| ~__return_334~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0)) [2020-10-23 21:59:36,035 INFO L270 CegarLoopResult]: At program point L28(line 28) the Hoare annotation is: (and (= |old(~__return_334~0)| ~__return_334~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0)) [2020-10-23 21:59:36,035 INFO L270 CegarLoopResult]: At program point L309(line 309) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-10-23 21:59:36,035 INFO L270 CegarLoopResult]: At program point L243(lines 243 267) the Hoare annotation is: (and (= main_~__tmp_2~0 1) (not (= main_~__VERIFIER_assert__cond~0 0)) (not (= main_~__VERIFIER_assert__cond~9 0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__VERIFIER_assert__cond~8 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= main_~__tmp_9~0 0)) (not (= main_~__VERIFIER_assert__cond~12 0)) (<= (+ main_~main__j~0 3) main_~main__bufsize~0) (not (= main_~__tmp_14~0 0)) (not (= main_~__tmp_8~0 0)) (not (= main_~__tmp_15~0 0)) (not (= main_~__tmp_7~0 0)) (<= 1 main_~main__i~0) (not (= main_~__tmp_11~0 0)) (<= 2 main_~main__j~0) (not (= main_~__tmp_1~0 0)) (not (= main_~__tmp_13~0 0)) (not (= main_~__VERIFIER_assert__cond~6 0)) (not (= main_~__VERIFIER_assert__cond~7 0)) (not (= main_~__tmp_12~0 0)) (= main_~__VERIFIER_assert__cond~1 1) (not (= main_~__VERIFIER_assert__cond~13 0)) (not (= main_~__VERIFIER_assert__cond~14 0)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= main_~__tmp_10~0 0))) [2020-10-23 21:59:36,035 INFO L270 CegarLoopResult]: At program point L177(line 177) the Hoare annotation is: false [2020-10-23 21:59:36,035 INFO L270 CegarLoopResult]: At program point L177-1(line 177) the Hoare annotation is: false [2020-10-23 21:59:36,035 INFO L270 CegarLoopResult]: At program point L45(lines 45 288) the Hoare annotation is: (and (<= 0 main_~main__i~0) (not (= main_~__tmp_1~0 0)) (not (= main_~__VERIFIER_assert__cond~0 0)) (<= 0 main_~main__j~0) (<= (+ main_~main__i~0 2) main_~main__len~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (= |old(~__return_334~0)| ~__return_334~0)) [2020-10-23 21:59:36,036 INFO L270 CegarLoopResult]: At program point L293(lines 38 294) the Hoare annotation is: (and (<= 0 main_~main__i~0) (< main_~main__i~0 main_~main__len~0) (<= 0 main_~main__j~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= |old(~__return_334~0)| ~__return_334~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0)) [2020-10-23 21:59:36,036 INFO L270 CegarLoopResult]: At program point L227(lines 227 269) the Hoare annotation is: (and (= main_~__tmp_2~0 1) (not (= main_~__VERIFIER_assert__cond~0 0)) (not (= main_~__VERIFIER_assert__cond~9 0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__VERIFIER_assert__cond~8 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= main_~__tmp_9~0 0)) (not (= main_~__VERIFIER_assert__cond~12 0)) (not (= main_~__tmp_14~0 0)) (not (= main_~__tmp_8~0 0)) (not (= main_~__tmp_7~0 0)) (<= 1 main_~main__i~0) (not (= main_~__tmp_11~0 0)) (<= 1 main_~main__j~0) (not (= main_~__tmp_1~0 0)) (not (= main_~__tmp_13~0 0)) (not (= main_~__VERIFIER_assert__cond~6 0)) (not (= main_~__VERIFIER_assert__cond~7 0)) (not (= main_~__tmp_12~0 0)) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (= main_~__VERIFIER_assert__cond~1 1) (not (= main_~__VERIFIER_assert__cond~13 0)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= (+ main_~main__i~0 1) main_~main__len~0) (not (= main_~__tmp_10~0 0))) [2020-10-23 21:59:36,036 INFO L270 CegarLoopResult]: At program point L161(line 161) the Hoare annotation is: (and (= main_~__tmp_2~0 1) (<= 0 main_~main__i~0) (not (= main_~__tmp_8~0 0)) (not (= main_~__VERIFIER_assert__cond~0 0)) (not (= main_~__tmp_7~0 0)) (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__tmp_1~0 0)) (not (= main_~__VERIFIER_assert__cond~6 0)) (not (= main_~__VERIFIER_assert__cond~7 0)) (not (= main_~__tmp_9~0 0)) (<= 0 main_~main__j~0) (= main_~__VERIFIER_assert__cond~1 1) (<= (+ main_~main__i~0 2) main_~main__len~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0)) [2020-10-23 21:59:36,036 INFO L270 CegarLoopResult]: At program point L95(line 95) the Hoare annotation is: (and (<= 0 main_~main__i~0) (not (= main_~__VERIFIER_assert__cond~2 0)) (<= 0 main_~main__j~0) (< main_~main__i~0 main_~main__len~0) (not (= main_~__tmp_4~0 0)) (not (= main_~__tmp_3~0 0)) (not (= main_~__VERIFIER_assert__cond~3 0)) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= |old(~__return_334~0)| ~__return_334~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0)) [2020-10-23 21:59:36,036 INFO L277 CegarLoopResult]: At program point L310(line 310) the Hoare annotation is: true [2020-10-23 21:59:36,037 INFO L270 CegarLoopResult]: At program point L211(line 211) the Hoare annotation is: (and (= main_~__tmp_2~0 1) (not (= main_~__tmp_8~0 0)) (not (= main_~__VERIFIER_assert__cond~0 0)) (not (= main_~__VERIFIER_assert__cond~9 0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (not (= main_~__tmp_7~0 0)) (<= 1 main_~main__i~0) (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__VERIFIER_assert__cond~8 0)) (not (= main_~__tmp_11~0 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= main_~__tmp_1~0 0)) (<= 1 main_~main__j~0) (not (= main_~__VERIFIER_assert__cond~6 0)) (not (= main_~__VERIFIER_assert__cond~7 0)) (not (= main_~__tmp_9~0 0)) (not (= main_~__tmp_12~0 0)) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (= main_~__VERIFIER_assert__cond~1 1) (<= (+ main_~main__i~0 1) main_~main__len~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= main_~__tmp_10~0 0))) [2020-10-23 21:59:36,037 INFO L270 CegarLoopResult]: At program point L112(line 112) the Hoare annotation is: false [2020-10-23 21:59:36,037 INFO L270 CegarLoopResult]: At program point L112-1(line 112) the Hoare annotation is: false [2020-10-23 21:59:36,037 INFO L270 CegarLoopResult]: At program point L162(line 162) the Hoare annotation is: (and (= main_~__tmp_2~0 1) (<= 0 main_~main__i~0) (not (= main_~__tmp_8~0 0)) (not (= main_~__VERIFIER_assert__cond~0 0)) (not (= main_~__tmp_7~0 0)) (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__tmp_1~0 0)) (not (= main_~__VERIFIER_assert__cond~6 0)) (not (= main_~__VERIFIER_assert__cond~7 0)) (not (= main_~__tmp_9~0 0)) (<= 0 main_~main__j~0) (= main_~__VERIFIER_assert__cond~1 1) (<= (+ main_~main__i~0 2) main_~main__len~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0)) [2020-10-23 21:59:36,037 INFO L270 CegarLoopResult]: At program point L96(line 96) the Hoare annotation is: (and (<= 0 main_~main__i~0) (not (= main_~__VERIFIER_assert__cond~2 0)) (<= 0 main_~main__j~0) (not (= main_~__tmp_5~0 0)) (< main_~main__i~0 main_~main__len~0) (not (= main_~__tmp_4~0 0)) (not (= main_~__tmp_3~0 0)) (not (= main_~__VERIFIER_assert__cond~3 0)) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= |old(~__return_334~0)| ~__return_334~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0)) [2020-10-23 21:59:36,037 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 13 313) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-10-23 21:59:36,037 INFO L270 CegarLoopResult]: At program point L245(line 245) the Hoare annotation is: false [2020-10-23 21:59:36,038 INFO L270 CegarLoopResult]: At program point L212(line 212) the Hoare annotation is: (and (= main_~__tmp_2~0 1) (not (= main_~__tmp_8~0 0)) (not (= main_~__VERIFIER_assert__cond~0 0)) (not (= main_~__VERIFIER_assert__cond~9 0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (not (= main_~__tmp_7~0 0)) (<= 1 main_~main__i~0) (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__VERIFIER_assert__cond~8 0)) (not (= main_~__tmp_11~0 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (<= 1 main_~main__j~0) (not (= main_~__tmp_1~0 0)) (not (= main_~__VERIFIER_assert__cond~6 0)) (not (= main_~__VERIFIER_assert__cond~7 0)) (not (= main_~__tmp_9~0 0)) (not (= main_~__tmp_12~0 0)) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (= main_~__VERIFIER_assert__cond~1 1) (<= (+ main_~main__i~0 1) main_~main__len~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= main_~__tmp_10~0 0))) [2020-10-23 21:59:36,038 INFO L270 CegarLoopResult]: At program point L245-1(line 245) the Hoare annotation is: false [2020-10-23 21:59:36,038 INFO L270 CegarLoopResult]: At program point L47(line 47) the Hoare annotation is: false [2020-10-23 21:59:36,038 INFO L270 CegarLoopResult]: At program point L47-1(line 47) the Hoare annotation is: false [2020-10-23 21:59:36,038 INFO L270 CegarLoopResult]: At program point L262(line 262) the Hoare annotation is: (and (= main_~__tmp_2~0 1) (not (= main_~__VERIFIER_assert__cond~0 0)) (not (= main_~__VERIFIER_assert__cond~9 0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__VERIFIER_assert__cond~8 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= main_~__tmp_9~0 0)) (not (= main_~__VERIFIER_assert__cond~15 0)) (not (= main_~__VERIFIER_assert__cond~12 0)) (<= (+ main_~main__j~0 3) main_~main__bufsize~0) (not (= main_~__tmp_14~0 0)) (not (= main_~__tmp_8~0 0)) (not (= main_~__tmp_15~0 0)) (not (= main_~__tmp_16~0 0)) (not (= main_~__tmp_7~0 0)) (<= 1 main_~main__i~0) (not (= main_~__tmp_11~0 0)) (<= 2 main_~main__j~0) (not (= main_~__tmp_1~0 0)) (not (= main_~__tmp_13~0 0)) (not (= main_~__VERIFIER_assert__cond~6 0)) (not (= main_~__VERIFIER_assert__cond~7 0)) (not (= main_~__tmp_12~0 0)) (= main_~__VERIFIER_assert__cond~1 1) (not (= main_~__VERIFIER_assert__cond~13 0)) (not (= main_~__VERIFIER_assert__cond~14 0)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= main_~__tmp_10~0 0))) [2020-10-23 21:59:36,038 INFO L270 CegarLoopResult]: At program point L229(line 229) the Hoare annotation is: false [2020-10-23 21:59:36,038 INFO L270 CegarLoopResult]: At program point L229-1(line 229) the Hoare annotation is: false [2020-10-23 21:59:36,039 INFO L270 CegarLoopResult]: At program point L163(lines 163 279) the Hoare annotation is: (and (= main_~__tmp_2~0 1) (<= 0 main_~main__i~0) (not (= main_~__tmp_8~0 0)) (not (= main_~__VERIFIER_assert__cond~0 0)) (not (= main_~__tmp_7~0 0)) (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__VERIFIER_assert__cond~8 0)) (not (= main_~__tmp_1~0 0)) (not (= main_~__VERIFIER_assert__cond~6 0)) (not (= main_~__VERIFIER_assert__cond~7 0)) (not (= main_~__tmp_9~0 0)) (<= 0 main_~main__j~0) (= main_~__VERIFIER_assert__cond~1 1) (<= (+ main_~main__i~0 2) main_~main__len~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0)) [2020-10-23 21:59:36,039 INFO L270 CegarLoopResult]: At program point L97(line 97) the Hoare annotation is: (and (<= 0 main_~main__i~0) (not (= main_~__VERIFIER_assert__cond~2 0)) (not (= main_~__tmp_5~0 0)) (<= 0 main_~main__j~0) (< main_~main__i~0 main_~main__len~0) (not (= main_~__tmp_4~0 0)) (not (= main_~__tmp_3~0 0)) (not (= main_~__VERIFIER_assert__cond~3 0)) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= |old(~__return_334~0)| ~__return_334~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0)) [2020-10-23 21:59:36,039 INFO L270 CegarLoopResult]: At program point L64(line 64) the Hoare annotation is: (and (= main_~__tmp_2~0 1) (<= 0 main_~main__i~0) (not (= main_~__tmp_1~0 0)) (not (= main_~__VERIFIER_assert__cond~0 0)) (<= 0 main_~main__j~0) (= main_~__VERIFIER_assert__cond~1 1) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (< (+ main_~main__i~0 1) main_~main__len~0) (= |old(~__return_334~0)| ~__return_334~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0)) [2020-10-23 21:59:36,039 INFO L270 CegarLoopResult]: At program point L213(line 213) the Hoare annotation is: (and (= main_~__tmp_2~0 1) (not (= main_~__tmp_8~0 0)) (not (= main_~__VERIFIER_assert__cond~0 0)) (not (= main_~__VERIFIER_assert__cond~9 0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (not (= main_~__tmp_7~0 0)) (<= 1 main_~main__i~0) (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__VERIFIER_assert__cond~8 0)) (not (= main_~__tmp_11~0 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (<= 1 main_~main__j~0) (not (= main_~__tmp_1~0 0)) (not (= main_~__tmp_13~0 0)) (not (= main_~__VERIFIER_assert__cond~6 0)) (not (= main_~__VERIFIER_assert__cond~7 0)) (not (= main_~__tmp_9~0 0)) (not (= main_~__tmp_12~0 0)) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (= main_~__VERIFIER_assert__cond~1 1) (<= (+ main_~main__i~0 1) main_~main__len~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= main_~__tmp_10~0 0))) [2020-10-23 21:59:36,039 INFO L270 CegarLoopResult]: At program point L147(line 147) the Hoare annotation is: (and (= main_~__tmp_2~0 1) (<= 0 main_~main__i~0) (not (= main_~__tmp_1~0 0)) (not (= main_~__VERIFIER_assert__cond~6 0)) (not (= main_~__VERIFIER_assert__cond~0 0)) (not (= main_~__tmp_7~0 0)) (<= 0 main_~main__j~0) (= main_~__VERIFIER_assert__cond~1 1) (<= (+ main_~main__i~0 2) main_~main__len~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (= |old(~__return_334~0)| ~__return_334~0)) [2020-10-23 21:59:36,040 INFO L270 CegarLoopResult]: At program point L263(line 263) the Hoare annotation is: (and (= main_~__tmp_2~0 1) (not (= main_~__VERIFIER_assert__cond~0 0)) (not (= main_~__VERIFIER_assert__cond~9 0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__VERIFIER_assert__cond~8 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= main_~__tmp_9~0 0)) (not (= main_~__VERIFIER_assert__cond~15 0)) (not (= main_~__VERIFIER_assert__cond~12 0)) (<= (+ main_~main__j~0 3) main_~main__bufsize~0) (not (= main_~__tmp_14~0 0)) (not (= main_~__tmp_8~0 0)) (not (= main_~__tmp_15~0 0)) (not (= main_~__tmp_16~0 0)) (not (= main_~__tmp_7~0 0)) (<= 1 main_~main__i~0) (not (= main_~__tmp_11~0 0)) (<= 2 main_~main__j~0) (not (= main_~__tmp_1~0 0)) (not (= main_~__tmp_13~0 0)) (not (= main_~__VERIFIER_assert__cond~6 0)) (not (= main_~__VERIFIER_assert__cond~7 0)) (not (= main_~__tmp_12~0 0)) (= main_~__VERIFIER_assert__cond~1 1) (not (= main_~__VERIFIER_assert__cond~13 0)) (not (= main_~__VERIFIER_assert__cond~14 0)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= main_~__tmp_10~0 0))) [2020-10-23 21:59:36,040 INFO L270 CegarLoopResult]: At program point L98(lines 98 125) the Hoare annotation is: (and (<= 0 main_~main__i~0) (not (= main_~__VERIFIER_assert__cond~2 0)) (not (= main_~__tmp_5~0 0)) (< main_~main__i~0 main_~main__len~0) (<= 0 main_~main__j~0) (not (= main_~__tmp_4~0 0)) (not (= main_~__tmp_3~0 0)) (not (= main_~__VERIFIER_assert__cond~4 0)) (not (= main_~__VERIFIER_assert__cond~3 0)) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= |old(~__return_334~0)| ~__return_334~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0)) [2020-10-23 21:59:36,040 INFO L270 CegarLoopResult]: At program point L65(line 65) the Hoare annotation is: (and (= main_~__tmp_2~0 1) (<= 0 main_~main__i~0) (not (= main_~__tmp_1~0 0)) (not (= main_~__VERIFIER_assert__cond~0 0)) (<= 0 main_~main__j~0) (= main_~__VERIFIER_assert__cond~1 1) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (< (+ main_~main__i~0 1) main_~main__len~0) (= |old(~__return_334~0)| ~__return_334~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0)) [2020-10-23 21:59:36,040 INFO L270 CegarLoopResult]: At program point L32(line 32) the Hoare annotation is: (and (<= 0 main_~main__i~0) (= |old(~__return_334~0)| ~__return_334~0) (<= (+ main_~main__i~0 1) main_~main__len~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0)) [2020-10-23 21:59:36,040 INFO L270 CegarLoopResult]: At program point L65-1(line 65) the Hoare annotation is: (and (= main_~__tmp_2~0 1) (<= 0 main_~main__i~0) (not (= main_~__tmp_1~0 0)) (not (= main_~__VERIFIER_assert__cond~0 0)) (<= 0 main_~main__j~0) (= main_~__VERIFIER_assert__cond~1 1) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (< (+ main_~main__i~0 1) main_~main__len~0) (= |old(~__return_334~0)| ~__return_334~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0)) [2020-10-23 21:59:36,041 INFO L270 CegarLoopResult]: At program point L65-2(line 65) the Hoare annotation is: (and (= main_~__tmp_2~0 1) (<= 0 main_~main__i~0) (not (= main_~__tmp_1~0 0)) (not (= main_~__VERIFIER_assert__cond~0 0)) (<= 0 main_~main__j~0) (= main_~__VERIFIER_assert__cond~1 1) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (< (+ main_~main__i~0 1) main_~main__len~0) (= |old(~__return_334~0)| ~__return_334~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0)) [2020-10-23 21:59:36,041 INFO L270 CegarLoopResult]: At program point L214(line 214) the Hoare annotation is: (and (= main_~__tmp_2~0 1) (not (= main_~__tmp_8~0 0)) (not (= main_~__VERIFIER_assert__cond~0 0)) (not (= main_~__VERIFIER_assert__cond~9 0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (not (= main_~__tmp_7~0 0)) (<= 1 main_~main__i~0) (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__VERIFIER_assert__cond~8 0)) (not (= main_~__tmp_11~0 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (<= 1 main_~main__j~0) (not (= main_~__tmp_1~0 0)) (not (= main_~__tmp_13~0 0)) (not (= main_~__VERIFIER_assert__cond~6 0)) (not (= main_~__VERIFIER_assert__cond~7 0)) (not (= main_~__tmp_9~0 0)) (not (= main_~__tmp_12~0 0)) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (= main_~__VERIFIER_assert__cond~1 1) (<= (+ main_~main__i~0 1) main_~main__len~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= main_~__tmp_10~0 0))) [2020-10-23 21:59:36,041 INFO L270 CegarLoopResult]: At program point L148(line 148) the Hoare annotation is: (and (= main_~__tmp_2~0 1) (<= 0 main_~main__i~0) (not (= main_~__tmp_1~0 0)) (not (= main_~__VERIFIER_assert__cond~6 0)) (not (= main_~__VERIFIER_assert__cond~0 0)) (not (= main_~__tmp_7~0 0)) (<= 0 main_~main__j~0) (= main_~__VERIFIER_assert__cond~1 1) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (< (+ main_~main__i~0 1) main_~main__len~0) (= |old(~__return_334~0)| ~__return_334~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0)) [2020-10-23 21:59:36,041 INFO L270 CegarLoopResult]: At program point L82(line 82) the Hoare annotation is: (and (<= 0 main_~main__i~0) (not (= main_~__VERIFIER_assert__cond~2 0)) (<= 0 main_~main__j~0) (< main_~main__i~0 main_~main__len~0) (not (= main_~__tmp_3~0 0)) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= |old(~__return_334~0)| ~__return_334~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0)) [2020-10-23 21:59:36,041 INFO L270 CegarLoopResult]: At program point L16(line 16) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-10-23 21:59:36,042 INFO L270 CegarLoopResult]: At program point L264(lines 31 306) the Hoare annotation is: (let ((.cse0 (<= 0 main_~main__j~0)) (.cse5 (<= (+ main_~main__j~0 4) main_~main__bufsize~0)) (.cse1 (= |old(~__return_334~0)| ~__return_334~0))) (let ((.cse3 (<= 1 main_~main__j~0)) (.cse4 (let ((.cse6 (<= 1 main_~main__i~0))) (or (and (not (= main_~__tmp_13~0 0)) .cse0 .cse6 .cse1 (not (= main_~__VERIFIER_assert__cond~12 0))) (and .cse0 .cse5 .cse6 .cse1)))) (.cse2 (<= (+ main_~main__limit~0 4) main_~main__bufsize~0))) (or (and (<= 0 main_~main__i~0) .cse0 .cse1 (<= (+ main_~main__i~0 1) main_~main__len~0) .cse2) (and .cse3 .cse4 (not (= main_~__tmp_15~0 0)) (not (= main_~__VERIFIER_assert__cond~14 0)) .cse2) (and .cse3 .cse4 .cse5 .cse2)))) [2020-10-23 21:59:36,042 INFO L270 CegarLoopResult]: At program point L165(line 165) the Hoare annotation is: false [2020-10-23 21:59:36,042 INFO L270 CegarLoopResult]: At program point L165-1(line 165) the Hoare annotation is: false [2020-10-23 21:59:36,042 INFO L270 CegarLoopResult]: At program point L66(lines 66 285) the Hoare annotation is: (and (= main_~__tmp_2~0 1) (<= 0 main_~main__i~0) (not (= main_~__tmp_1~0 0)) (not (= main_~__VERIFIER_assert__cond~0 0)) (<= 0 main_~main__j~0) (= main_~__VERIFIER_assert__cond~1 1) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (< (+ main_~main__i~0 1) main_~main__len~0) (= |old(~__return_334~0)| ~__return_334~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0)) [2020-10-23 21:59:36,042 INFO L270 CegarLoopResult]: At program point L215(lines 215 271) the Hoare annotation is: (and (= main_~__tmp_2~0 1) (not (= main_~__tmp_8~0 0)) (not (= main_~__VERIFIER_assert__cond~0 0)) (not (= main_~__VERIFIER_assert__cond~9 0)) (not (= main_~__VERIFIER_assert__cond~11 0)) (not (= main_~__tmp_7~0 0)) (<= 1 main_~main__i~0) (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__VERIFIER_assert__cond~8 0)) (not (= main_~__tmp_11~0 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= main_~__tmp_1~0 0)) (<= 1 main_~main__j~0) (not (= main_~__tmp_13~0 0)) (not (= main_~__VERIFIER_assert__cond~6 0)) (not (= main_~__VERIFIER_assert__cond~7 0)) (not (= main_~__tmp_9~0 0)) (not (= main_~__tmp_12~0 0)) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (= main_~__VERIFIER_assert__cond~1 1) (not (= main_~__VERIFIER_assert__cond~12 0)) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (<= (+ main_~main__i~0 1) main_~main__len~0) (not (= main_~__tmp_10~0 0))) [2020-10-23 21:59:36,042 INFO L270 CegarLoopResult]: At program point L182(line 182) the Hoare annotation is: (and (= main_~__tmp_2~0 1) (<= 0 main_~main__i~0) (not (= main_~__tmp_8~0 0)) (not (= main_~__VERIFIER_assert__cond~0 0)) (not (= main_~__VERIFIER_assert__cond~9 0)) (not (= main_~__tmp_7~0 0)) (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__VERIFIER_assert__cond~8 0)) (not (= main_~__tmp_1~0 0)) (not (= main_~__VERIFIER_assert__cond~6 0)) (not (= main_~__VERIFIER_assert__cond~7 0)) (not (= main_~__tmp_9~0 0)) (<= 0 main_~main__j~0) (<= (+ main_~main__i~0 2) main_~main__len~0) (= main_~__VERIFIER_assert__cond~1 1) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= main_~__tmp_10~0 0))) [2020-10-23 21:59:36,043 INFO L270 CegarLoopResult]: At program point L149(line 149) the Hoare annotation is: (and (= main_~__tmp_2~0 1) (<= 0 main_~main__i~0) (not (= main_~__tmp_8~0 0)) (not (= main_~__VERIFIER_assert__cond~0 0)) (not (= main_~__tmp_7~0 0)) (< (+ main_~main__i~0 1) main_~main__len~0) (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__tmp_1~0 0)) (not (= main_~__VERIFIER_assert__cond~6 0)) (<= 0 main_~main__j~0) (= main_~__VERIFIER_assert__cond~1 1) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0)) [2020-10-23 21:59:36,043 INFO L270 CegarLoopResult]: At program point L83(line 83) the Hoare annotation is: (and (<= 0 main_~main__i~0) (not (= main_~__VERIFIER_assert__cond~2 0)) (< main_~main__i~0 main_~main__len~0) (<= 0 main_~main__j~0) (not (= main_~__tmp_3~0 0)) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= |old(~__return_334~0)| ~__return_334~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0)) [2020-10-23 21:59:36,043 INFO L270 CegarLoopResult]: At program point L17(line 17) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-10-23 21:59:36,043 INFO L270 CegarLoopResult]: At program point L199(line 199) the Hoare annotation is: (and (= main_~__tmp_2~0 1) (not (= main_~__tmp_8~0 0)) (not (= main_~__VERIFIER_assert__cond~0 0)) (not (= main_~__VERIFIER_assert__cond~9 0)) (not (= main_~__tmp_7~0 0)) (<= 1 main_~main__i~0) (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__VERIFIER_assert__cond~8 0)) (not (= main_~__tmp_11~0 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (<= 1 main_~main__j~0) (not (= main_~__tmp_1~0 0)) (not (= main_~__VERIFIER_assert__cond~6 0)) (not (= main_~__VERIFIER_assert__cond~7 0)) (not (= main_~__tmp_9~0 0)) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (= main_~__VERIFIER_assert__cond~1 1) (<= (+ main_~main__i~0 1) main_~main__len~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= main_~__tmp_10~0 0))) [2020-10-23 21:59:36,043 INFO L270 CegarLoopResult]: At program point L100(line 100) the Hoare annotation is: false [2020-10-23 21:59:36,043 INFO L270 CegarLoopResult]: At program point L100-1(line 100) the Hoare annotation is: false [2020-10-23 21:59:36,043 INFO L270 CegarLoopResult]: At program point L183(line 183) the Hoare annotation is: (and (= main_~__tmp_2~0 1) (<= 0 main_~main__i~0) (not (= main_~__tmp_8~0 0)) (not (= main_~__VERIFIER_assert__cond~0 0)) (not (= main_~__VERIFIER_assert__cond~9 0)) (not (= main_~__tmp_7~0 0)) (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__VERIFIER_assert__cond~8 0)) (not (= main_~__tmp_1~0 0)) (not (= main_~__VERIFIER_assert__cond~6 0)) (not (= main_~__VERIFIER_assert__cond~7 0)) (not (= main_~__tmp_9~0 0)) (<= 0 main_~main__j~0) (<= (+ main_~main__i~0 2) main_~main__len~0) (= main_~__VERIFIER_assert__cond~1 1) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= main_~__tmp_10~0 0))) [2020-10-23 21:59:36,044 INFO L270 CegarLoopResult]: At program point L150(line 150) the Hoare annotation is: (and (= main_~__tmp_2~0 1) (<= 0 main_~main__i~0) (not (= main_~__tmp_8~0 0)) (not (= main_~__VERIFIER_assert__cond~0 0)) (not (= main_~__tmp_7~0 0)) (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__tmp_1~0 0)) (not (= main_~__VERIFIER_assert__cond~6 0)) (<= 0 main_~main__j~0) (= main_~__VERIFIER_assert__cond~1 1) (<= (+ main_~main__i~0 2) main_~main__len~0) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0)) [2020-10-23 21:59:36,044 INFO L270 CegarLoopResult]: At program point L117(line 117) the Hoare annotation is: (and (not (= main_~__VERIFIER_assert__cond~5 0)) (<= 0 main_~main__i~0) (not (= main_~__tmp_6~0 0)) (not (= main_~__VERIFIER_assert__cond~2 0)) (< main_~main__i~0 main_~main__len~0) (not (= main_~__VERIFIER_assert__cond~4 0)) (not (= main_~__tmp_3~0 0)) (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__tmp_5~0 0)) (<= 0 main_~main__j~0) (not (= main_~__tmp_4~0 0)) (not (= main_~__VERIFIER_assert__cond~3 0)) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0)) [2020-10-23 21:59:36,044 INFO L270 CegarLoopResult]: At program point L84(line 84) the Hoare annotation is: (and (<= 0 main_~main__i~0) (not (= main_~__VERIFIER_assert__cond~2 0)) (< main_~main__i~0 main_~main__len~0) (<= 0 main_~main__j~0) (not (= main_~__tmp_4~0 0)) (not (= main_~__tmp_3~0 0)) (<= (+ main_~main__j~0 5) main_~main__bufsize~0) (= |old(~__return_334~0)| ~__return_334~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0)) [2020-10-23 21:59:36,044 INFO L270 CegarLoopResult]: At program point L18(line 18) the Hoare annotation is: (= |old(~__return_334~0)| ~__return_334~0) [2020-10-23 21:59:36,044 INFO L270 CegarLoopResult]: At program point L200(line 200) the Hoare annotation is: (and (= main_~__tmp_2~0 1) (not (= main_~__tmp_8~0 0)) (not (= main_~__VERIFIER_assert__cond~0 0)) (not (= main_~__VERIFIER_assert__cond~9 0)) (not (= main_~__tmp_7~0 0)) (<= 1 main_~main__i~0) (= |old(~__return_334~0)| ~__return_334~0) (not (= main_~__VERIFIER_assert__cond~8 0)) (not (= main_~__tmp_11~0 0)) (not (= main_~__VERIFIER_assert__cond~10 0)) (not (= main_~__tmp_1~0 0)) (<= 1 main_~main__j~0) (not (= main_~__VERIFIER_assert__cond~6 0)) (not (= main_~__VERIFIER_assert__cond~7 0)) (not (= main_~__tmp_9~0 0)) (<= (+ main_~main__j~0 4) main_~main__bufsize~0) (= main_~__VERIFIER_assert__cond~1 1) (<= (+ main_~main__i~0 1) main_~main__len~0) (<= (+ main_~main__limit~0 4) main_~main__bufsize~0) (not (= main_~__tmp_10~0 0))) [2020-10-23 21:59:36,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 09:59:36 BoogieIcfgContainer [2020-10-23 21:59:36,070 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 21:59:36,071 INFO L168 Benchmark]: Toolchain (without parser) took 86367.82 ms. Allocated memory was 151.0 MB in the beginning and 562.0 MB in the end (delta: 411.0 MB). Free memory was 127.8 MB in the beginning and 418.3 MB in the end (delta: -290.5 MB). Peak memory consumption was 340.8 MB. Max. memory is 8.0 GB. [2020-10-23 21:59:36,072 INFO L168 Benchmark]: CDTParser took 1.38 ms. Allocated memory is still 151.0 MB. Free memory is still 122.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 21:59:36,072 INFO L168 Benchmark]: CACSL2BoogieTranslator took 369.61 ms. Allocated memory is still 151.0 MB. Free memory was 127.3 MB in the beginning and 115.5 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2020-10-23 21:59:36,073 INFO L168 Benchmark]: Boogie Preprocessor took 89.28 ms. Allocated memory is still 151.0 MB. Free memory was 115.4 MB in the beginning and 113.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-10-23 21:59:36,073 INFO L168 Benchmark]: RCFGBuilder took 1022.14 ms. Allocated memory is still 151.0 MB. Free memory was 113.7 MB in the beginning and 114.5 MB in the end (delta: -778.6 kB). Peak memory consumption was 15.5 MB. Max. memory is 8.0 GB. [2020-10-23 21:59:36,074 INFO L168 Benchmark]: TraceAbstraction took 84864.42 ms. Allocated memory was 151.0 MB in the beginning and 562.0 MB in the end (delta: 411.0 MB). Free memory was 113.9 MB in the beginning and 418.3 MB in the end (delta: -304.4 MB). Peak memory consumption was 325.3 MB. Max. memory is 8.0 GB. [2020-10-23 21:59:36,076 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.38 ms. Allocated memory is still 151.0 MB. Free memory is still 122.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 369.61 ms. Allocated memory is still 151.0 MB. Free memory was 127.3 MB in the beginning and 115.5 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 89.28 ms. Allocated memory is still 151.0 MB. Free memory was 115.4 MB in the beginning and 113.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1022.14 ms. Allocated memory is still 151.0 MB. Free memory was 113.7 MB in the beginning and 114.5 MB in the end (delta: -778.6 kB). Peak memory consumption was 15.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 84864.42 ms. Allocated memory was 151.0 MB in the beginning and 562.0 MB in the end (delta: 411.0 MB). Free memory was 113.9 MB in the beginning and 418.3 MB in the end (delta: -304.4 MB). Peak memory consumption was 325.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: (((((0 <= main__i && 0 <= main__j) && \old(__return_334) == __return_334) && main__i + 1 <= main__len) && main__limit + 4 <= main__bufsize) || ((((1 <= main__j && (((((!(__tmp_13 == 0) && 0 <= main__j) && 1 <= main__i) && \old(__return_334) == __return_334) && !(__VERIFIER_assert__cond == 0)) || (((0 <= main__j && main__j + 4 <= main__bufsize) && 1 <= main__i) && \old(__return_334) == __return_334))) && !(__tmp_15 == 0)) && !(__VERIFIER_assert__cond == 0)) && main__limit + 4 <= main__bufsize)) || (((1 <= main__j && (((((!(__tmp_13 == 0) && 0 <= main__j) && 1 <= main__i) && \old(__return_334) == __return_334) && !(__VERIFIER_assert__cond == 0)) || (((0 <= main__j && main__j + 4 <= main__bufsize) && 1 <= main__i) && \old(__return_334) == __return_334))) && main__j + 4 <= main__bufsize) && main__limit + 4 <= main__bufsize) - InvariantResult [Line: 38]: Loop Invariant Derived loop invariant: ((((0 <= main__i && main__i < main__len) && 0 <= main__j) && main__j + 5 <= main__bufsize) && \old(__return_334) == __return_334) && main__limit + 4 <= main__bufsize - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: (0 <= main__i && \old(__return_334) == __return_334) && main__limit + 4 <= main__bufsize - ProcedureContractResult [Line: 4]: Procedure Contract for reach_error Derived contract for procedure reach_error: 1 - ProcedureContractResult [Line: 13]: Procedure Contract for main Derived contract for procedure main: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 179 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 21.8s, OverallIterations: 16, TraceHistogramMax: 1, AutomataDifference: 17.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 62.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3718 SDtfs, 8410 SDslu, 1486 SDs, 0 SdLazy, 6995 SolverSat, 365 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 243 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 175 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 5.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=174occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 16 MinimizatonAttempts, 1602 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 174 LocationsWithAnnotation, 314 PreInvPairs, 984 NumberOfFragments, 6711 HoareAnnotationTreeSize, 314 FomulaSimplifications, 10313711120 FormulaSimplificationTreeSizeReduction, 16.1s HoareSimplificationTime, 174 FomulaSimplificationsInter, 63275154 FormulaSimplificationTreeSizeReductionInter, 46.6s 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...