/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label26.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 11:22:46,160 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 11:22:46,163 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 11:22:46,181 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-07-07 11:22:46,212 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 11:22:46,213 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 11:22:46,215 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 11:22:46,217 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 11:22:46,218 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 11:22:46,219 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 11:22:46,220 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 11:22:46,225 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 11:22:46,229 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 11:22:46,233 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 11:22:46,234 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 11:22:46,235 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 11:22:46,237 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-07 11:22:46,249 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-07 11:22:46,286 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 11:22:46,287 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 11:22:46,288 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 11:22:46,288 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 11:22:46,288 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 11:22:46,288 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 11:22:46,288 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 11:22:46,289 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 11:22:46,289 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 11:22:46,289 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 11:22:46,291 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 11:22:46,291 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 11:22:46,291 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 11:22:46,291 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 11:22:46,292 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 11:22:46,292 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 11:22:46,292 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 11:22:46,293 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 11:22:46,293 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 11:22:46,293 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 11:22:46,294 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 11:22:46,294 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 11:22:46,294 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 11:22:46,294 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 11:22:46,294 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 11:22:46,295 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 11:22:46,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 11:22:46,295 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 11:22:46,295 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 11:22:46,295 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 11:22:46,573 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 11:22:46,594 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 11:22:46,598 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 11:22:46,599 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 11:22:46,600 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 11:22:46,601 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label26.c [2020-07-07 11:22:46,676 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d18cb4915/5bc094540cf44ab5a137b5243731cdf4/FLAG65766a710 [2020-07-07 11:22:47,250 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 11:22:47,251 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label26.c [2020-07-07 11:22:47,262 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d18cb4915/5bc094540cf44ab5a137b5243731cdf4/FLAG65766a710 [2020-07-07 11:22:47,526 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d18cb4915/5bc094540cf44ab5a137b5243731cdf4 [2020-07-07 11:22:47,535 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 11:22:47,537 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 11:22:47,538 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 11:22:47,538 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 11:22:47,542 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 11:22:47,543 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 11:22:47" (1/1) ... [2020-07-07 11:22:47,546 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@102ef219 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:22:47, skipping insertion in model container [2020-07-07 11:22:47,546 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 11:22:47" (1/1) ... [2020-07-07 11:22:47,554 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 11:22:47,607 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 11:22:48,034 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 11:22:48,040 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 11:22:48,235 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 11:22:48,253 INFO L208 MainTranslator]: Completed translation [2020-07-07 11:22:48,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:22:48 WrapperNode [2020-07-07 11:22:48,253 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 11:22:48,254 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 11:22:48,254 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 11:22:48,255 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 11:22:48,269 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:22:48" (1/1) ... [2020-07-07 11:22:48,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:22:48" (1/1) ... [2020-07-07 11:22:48,289 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:22:48" (1/1) ... [2020-07-07 11:22:48,289 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:22:48" (1/1) ... [2020-07-07 11:22:48,337 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:22:48" (1/1) ... [2020-07-07 11:22:48,362 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:22:48" (1/1) ... [2020-07-07 11:22:48,369 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:22:48" (1/1) ... [2020-07-07 11:22:48,381 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 11:22:48,382 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 11:22:48,382 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 11:22:48,382 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 11:22:48,383 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:22:48" (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 [2020-07-07 11:22:48,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 11:22:48,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 11:22:48,435 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-07 11:22:48,435 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 11:22:48,435 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-07 11:22:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 11:22:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 11:22:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-07 11:22:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 11:22:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 11:22:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 11:22:49,652 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 11:22:49,653 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-07 11:22:49,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 11:22:49 BoogieIcfgContainer [2020-07-07 11:22:49,665 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 11:22:49,670 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 11:22:49,670 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 11:22:49,674 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 11:22:49,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 11:22:47" (1/3) ... [2020-07-07 11:22:49,675 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@455257d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 11:22:49, skipping insertion in model container [2020-07-07 11:22:49,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:22:48" (2/3) ... [2020-07-07 11:22:49,676 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@455257d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 11:22:49, skipping insertion in model container [2020-07-07 11:22:49,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 11:22:49" (3/3) ... [2020-07-07 11:22:49,681 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label26.c [2020-07-07 11:22:49,692 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 11:22:49,702 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 11:22:49,713 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 11:22:49,740 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 11:22:49,741 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 11:22:49,741 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 11:22:49,741 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 11:22:49,741 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 11:22:49,741 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 11:22:49,741 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 11:22:49,742 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 11:22:49,769 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-07-07 11:22:49,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-07-07 11:22:49,781 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:22:49,783 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, 1, 1] [2020-07-07 11:22:49,783 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:22:49,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:22:49,790 INFO L82 PathProgramCache]: Analyzing trace with hash -1414431897, now seen corresponding path program 1 times [2020-07-07 11:22:49,800 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:22:49,801 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984157856] [2020-07-07 11:22:49,801 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:22:50,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:50,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:50,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:22:50,387 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984157856] [2020-07-07 11:22:50,388 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 11:22:50,388 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 11:22:50,390 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2963692] [2020-07-07 11:22:50,396 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-07 11:22:50,396 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:22:50,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-07 11:22:50,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-07 11:22:50,418 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 5 states. [2020-07-07 11:22:51,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:22:51,970 INFO L93 Difference]: Finished difference Result 557 states and 956 transitions. [2020-07-07 11:22:51,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-07 11:22:51,974 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 109 [2020-07-07 11:22:51,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:22:52,003 INFO L225 Difference]: With dead ends: 557 [2020-07-07 11:22:52,003 INFO L226 Difference]: Without dead ends: 286 [2020-07-07 11:22:52,013 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-07-07 11:22:52,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-07-07 11:22:52,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 280. [2020-07-07 11:22:52,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-07-07 11:22:52,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 402 transitions. [2020-07-07 11:22:52,085 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 402 transitions. Word has length 109 [2020-07-07 11:22:52,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:22:52,086 INFO L479 AbstractCegarLoop]: Abstraction has 280 states and 402 transitions. [2020-07-07 11:22:52,086 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-07 11:22:52,086 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 402 transitions. [2020-07-07 11:22:52,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-07-07 11:22:52,090 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:22:52,091 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:22:52,091 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 11:22:52,091 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:22:52,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:22:52,092 INFO L82 PathProgramCache]: Analyzing trace with hash -609512656, now seen corresponding path program 1 times [2020-07-07 11:22:52,092 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:22:52,092 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348415287] [2020-07-07 11:22:52,093 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:22:52,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:52,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:52,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:52,313 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:22:52,314 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348415287] [2020-07-07 11:22:52,314 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 11:22:52,314 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 11:22:52,315 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871505327] [2020-07-07 11:22:52,317 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 11:22:52,317 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:22:52,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 11:22:52,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-07-07 11:22:52,318 INFO L87 Difference]: Start difference. First operand 280 states and 402 transitions. Second operand 9 states. [2020-07-07 11:22:53,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:22:53,865 INFO L93 Difference]: Finished difference Result 713 states and 1049 transitions. [2020-07-07 11:22:53,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-07 11:22:53,867 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 119 [2020-07-07 11:22:53,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:22:53,873 INFO L225 Difference]: With dead ends: 713 [2020-07-07 11:22:53,873 INFO L226 Difference]: Without dead ends: 439 [2020-07-07 11:22:53,875 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-07-07 11:22:53,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2020-07-07 11:22:53,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 421. [2020-07-07 11:22:53,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2020-07-07 11:22:53,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 590 transitions. [2020-07-07 11:22:53,918 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 590 transitions. Word has length 119 [2020-07-07 11:22:53,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:22:53,919 INFO L479 AbstractCegarLoop]: Abstraction has 421 states and 590 transitions. [2020-07-07 11:22:53,919 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 11:22:53,919 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 590 transitions. [2020-07-07 11:22:53,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-07-07 11:22:53,923 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:22:53,924 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:22:53,924 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 11:22:53,924 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:22:53,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:22:53,925 INFO L82 PathProgramCache]: Analyzing trace with hash 1252784430, now seen corresponding path program 1 times [2020-07-07 11:22:53,925 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:22:53,925 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839562829] [2020-07-07 11:22:53,926 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:22:53,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:54,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:54,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:54,415 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:22:54,416 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839562829] [2020-07-07 11:22:54,416 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1434472210] [2020-07-07 11:22:54,417 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:22:54,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:54,528 INFO L264 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-07 11:22:54,539 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:22:54,640 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:22:54,640 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 11:22:54,641 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2020-07-07 11:22:54,641 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783172914] [2020-07-07 11:22:54,642 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 11:22:54,642 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:22:54,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 11:22:54,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-07 11:22:54,643 INFO L87 Difference]: Start difference. First operand 421 states and 590 transitions. Second operand 3 states. [2020-07-07 11:22:55,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:22:55,283 INFO L93 Difference]: Finished difference Result 1247 states and 1789 transitions. [2020-07-07 11:22:55,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 11:22:55,283 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 120 [2020-07-07 11:22:55,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:22:55,293 INFO L225 Difference]: With dead ends: 1247 [2020-07-07 11:22:55,294 INFO L226 Difference]: Without dead ends: 832 [2020-07-07 11:22:55,295 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-07 11:22:55,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2020-07-07 11:22:55,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 832. [2020-07-07 11:22:55,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 832 states. [2020-07-07 11:22:55,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1102 transitions. [2020-07-07 11:22:55,347 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1102 transitions. Word has length 120 [2020-07-07 11:22:55,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:22:55,348 INFO L479 AbstractCegarLoop]: Abstraction has 832 states and 1102 transitions. [2020-07-07 11:22:55,348 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 11:22:55,348 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1102 transitions. [2020-07-07 11:22:55,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-07-07 11:22:55,354 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:22:55,354 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:22:55,569 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-07-07 11:22:55,570 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:22:55,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:22:55,570 INFO L82 PathProgramCache]: Analyzing trace with hash 107820154, now seen corresponding path program 1 times [2020-07-07 11:22:55,570 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:22:55,571 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947502882] [2020-07-07 11:22:55,571 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:22:55,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:55,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:55,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:55,808 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:22:55,809 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947502882] [2020-07-07 11:22:55,809 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1445889078] [2020-07-07 11:22:55,810 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:22:55,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:55,941 INFO L264 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-07 11:22:55,951 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:22:55,991 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:22:55,991 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 11:22:55,991 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2020-07-07 11:22:55,992 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770380677] [2020-07-07 11:22:55,993 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 11:22:55,993 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:22:55,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 11:22:55,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-07 11:22:55,994 INFO L87 Difference]: Start difference. First operand 832 states and 1102 transitions. Second operand 3 states. [2020-07-07 11:22:56,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:22:56,656 INFO L93 Difference]: Finished difference Result 2345 states and 3186 transitions. [2020-07-07 11:22:56,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 11:22:56,657 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2020-07-07 11:22:56,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:22:56,666 INFO L225 Difference]: With dead ends: 2345 [2020-07-07 11:22:56,666 INFO L226 Difference]: Without dead ends: 1519 [2020-07-07 11:22:56,669 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-07 11:22:56,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1519 states. [2020-07-07 11:22:56,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1519 to 1519. [2020-07-07 11:22:56,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1519 states. [2020-07-07 11:22:56,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1519 states to 1519 states and 1968 transitions. [2020-07-07 11:22:56,724 INFO L78 Accepts]: Start accepts. Automaton has 1519 states and 1968 transitions. Word has length 126 [2020-07-07 11:22:56,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:22:56,725 INFO L479 AbstractCegarLoop]: Abstraction has 1519 states and 1968 transitions. [2020-07-07 11:22:56,725 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 11:22:56,725 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 1968 transitions. [2020-07-07 11:22:56,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-07-07 11:22:56,731 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:22:56,731 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:22:56,944 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:22:56,945 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:22:56,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:22:56,946 INFO L82 PathProgramCache]: Analyzing trace with hash -1420721245, now seen corresponding path program 1 times [2020-07-07 11:22:56,946 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:22:56,946 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50418443] [2020-07-07 11:22:56,947 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:22:56,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:57,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:57,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:57,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:57,210 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 38 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-07 11:22:57,211 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50418443] [2020-07-07 11:22:57,211 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [698097191] [2020-07-07 11:22:57,211 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:22:57,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:57,316 INFO L264 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-07 11:22:57,320 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:22:57,363 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-07-07 11:22:57,363 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 11:22:57,364 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2020-07-07 11:22:57,364 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485752218] [2020-07-07 11:22:57,364 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 11:22:57,365 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:22:57,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 11:22:57,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-07-07 11:22:57,365 INFO L87 Difference]: Start difference. First operand 1519 states and 1968 transitions. Second operand 3 states. [2020-07-07 11:22:58,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:22:58,016 INFO L93 Difference]: Finished difference Result 4126 states and 5489 transitions. [2020-07-07 11:22:58,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 11:22:58,017 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 145 [2020-07-07 11:22:58,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:22:58,035 INFO L225 Difference]: With dead ends: 4126 [2020-07-07 11:22:58,035 INFO L226 Difference]: Without dead ends: 2613 [2020-07-07 11:22:58,040 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-07-07 11:22:58,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2613 states. [2020-07-07 11:22:58,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2613 to 2478. [2020-07-07 11:22:58,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2478 states. [2020-07-07 11:22:58,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2478 states to 2478 states and 3239 transitions. [2020-07-07 11:22:58,152 INFO L78 Accepts]: Start accepts. Automaton has 2478 states and 3239 transitions. Word has length 145 [2020-07-07 11:22:58,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:22:58,152 INFO L479 AbstractCegarLoop]: Abstraction has 2478 states and 3239 transitions. [2020-07-07 11:22:58,153 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 11:22:58,153 INFO L276 IsEmpty]: Start isEmpty. Operand 2478 states and 3239 transitions. [2020-07-07 11:22:58,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-07-07 11:22:58,162 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:22:58,163 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:22:58,376 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:22:58,377 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:22:58,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:22:58,378 INFO L82 PathProgramCache]: Analyzing trace with hash 1995296009, now seen corresponding path program 1 times [2020-07-07 11:22:58,378 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:22:58,378 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579522978] [2020-07-07 11:22:58,378 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:22:58,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:58,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:58,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:58,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:58,647 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 77 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-07 11:22:58,648 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579522978] [2020-07-07 11:22:58,648 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1809470054] [2020-07-07 11:22:58,648 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:22:58,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:22:58,760 INFO L264 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-07 11:22:58,769 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:22:58,869 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 78 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:22:58,870 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 11:22:58,870 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2020-07-07 11:22:58,871 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200633144] [2020-07-07 11:22:58,872 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-07 11:22:58,872 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:22:58,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-07 11:22:58,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-07-07 11:22:58,873 INFO L87 Difference]: Start difference. First operand 2478 states and 3239 transitions. Second operand 11 states. [2020-07-07 11:23:03,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:23:03,320 INFO L93 Difference]: Finished difference Result 6903 states and 9439 transitions. [2020-07-07 11:23:03,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-07-07 11:23:03,321 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 169 [2020-07-07 11:23:03,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:23:03,349 INFO L225 Difference]: With dead ends: 6903 [2020-07-07 11:23:03,349 INFO L226 Difference]: Without dead ends: 4431 [2020-07-07 11:23:03,358 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 182 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=184, Invalid=628, Unknown=0, NotChecked=0, Total=812 [2020-07-07 11:23:03,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4431 states. [2020-07-07 11:23:03,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4431 to 3088. [2020-07-07 11:23:03,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3088 states. [2020-07-07 11:23:03,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3088 states to 3088 states and 3846 transitions. [2020-07-07 11:23:03,493 INFO L78 Accepts]: Start accepts. Automaton has 3088 states and 3846 transitions. Word has length 169 [2020-07-07 11:23:03,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:23:03,494 INFO L479 AbstractCegarLoop]: Abstraction has 3088 states and 3846 transitions. [2020-07-07 11:23:03,494 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-07 11:23:03,494 INFO L276 IsEmpty]: Start isEmpty. Operand 3088 states and 3846 transitions. [2020-07-07 11:23:03,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-07-07 11:23:03,504 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:23:03,505 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:23:03,719 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:23:03,720 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:23:03,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:23:03,720 INFO L82 PathProgramCache]: Analyzing trace with hash 911831107, now seen corresponding path program 1 times [2020-07-07 11:23:03,720 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:23:03,721 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407015222] [2020-07-07 11:23:03,721 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:23:03,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:23:03,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:23:03,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:23:03,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:23:03,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:23:03,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:23:04,036 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 117 proven. 35 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-07-07 11:23:04,036 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407015222] [2020-07-07 11:23:04,037 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1081307170] [2020-07-07 11:23:04,037 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:23:04,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:23:04,205 INFO L264 TraceCheckSpWp]: Trace formula consists of 616 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-07 11:23:04,212 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:23:04,312 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 93 proven. 2 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2020-07-07 11:23:04,313 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 11:23:04,313 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2020-07-07 11:23:04,313 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279900439] [2020-07-07 11:23:04,314 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-07 11:23:04,314 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:23:04,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-07 11:23:04,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-07-07 11:23:04,319 INFO L87 Difference]: Start difference. First operand 3088 states and 3846 transitions. Second operand 11 states. [2020-07-07 11:23:04,614 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2020-07-07 11:23:05,008 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2020-07-07 11:23:09,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:23:09,079 INFO L93 Difference]: Finished difference Result 8730 states and 11074 transitions. [2020-07-07 11:23:09,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-07-07 11:23:09,080 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 222 [2020-07-07 11:23:09,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:23:09,103 INFO L225 Difference]: With dead ends: 8730 [2020-07-07 11:23:09,104 INFO L226 Difference]: Without dead ends: 5175 [2020-07-07 11:23:09,116 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=190, Invalid=680, Unknown=0, NotChecked=0, Total=870 [2020-07-07 11:23:09,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5175 states. [2020-07-07 11:23:09,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5175 to 4303. [2020-07-07 11:23:09,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4303 states. [2020-07-07 11:23:09,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4303 states to 4303 states and 4838 transitions. [2020-07-07 11:23:09,234 INFO L78 Accepts]: Start accepts. Automaton has 4303 states and 4838 transitions. Word has length 222 [2020-07-07 11:23:09,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:23:09,234 INFO L479 AbstractCegarLoop]: Abstraction has 4303 states and 4838 transitions. [2020-07-07 11:23:09,234 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-07 11:23:09,234 INFO L276 IsEmpty]: Start isEmpty. Operand 4303 states and 4838 transitions. [2020-07-07 11:23:09,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2020-07-07 11:23:09,248 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:23:09,249 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:23:09,463 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-07-07 11:23:09,464 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:23:09,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:23:09,465 INFO L82 PathProgramCache]: Analyzing trace with hash 408719819, now seen corresponding path program 1 times [2020-07-07 11:23:09,465 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:23:09,466 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863363437] [2020-07-07 11:23:09,466 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:23:09,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:23:09,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:23:09,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:23:09,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:23:09,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:23:09,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:23:09,767 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 141 proven. 22 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-07-07 11:23:09,767 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863363437] [2020-07-07 11:23:09,767 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1700703645] [2020-07-07 11:23:09,768 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:23:09,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:23:09,912 INFO L264 TraceCheckSpWp]: Trace formula consists of 617 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-07 11:23:09,929 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:23:10,105 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 163 proven. 2 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-07-07 11:23:10,106 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 11:23:10,106 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2020-07-07 11:23:10,108 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269880736] [2020-07-07 11:23:10,109 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-07 11:23:10,111 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:23:10,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-07 11:23:10,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-07-07 11:23:10,112 INFO L87 Difference]: Start difference. First operand 4303 states and 4838 transitions. Second operand 11 states. [2020-07-07 11:23:15,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:23:15,196 INFO L93 Difference]: Finished difference Result 10321 states and 12192 transitions. [2020-07-07 11:23:15,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-07-07 11:23:15,197 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 226 [2020-07-07 11:23:15,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:23:15,198 INFO L225 Difference]: With dead ends: 10321 [2020-07-07 11:23:15,198 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 11:23:15,230 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 352 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=279, Invalid=1127, Unknown=0, NotChecked=0, Total=1406 [2020-07-07 11:23:15,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 11:23:15,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 11:23:15,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 11:23:15,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 11:23:15,232 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 226 [2020-07-07 11:23:15,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:23:15,232 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 11:23:15,232 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-07 11:23:15,232 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 11:23:15,233 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 11:23:15,466 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:23:15,468 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 11:23:17,379 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 126 [2020-07-07 11:23:17,828 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 126 [2020-07-07 11:23:20,286 WARN L193 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 207 DAG size of output: 77 [2020-07-07 11:23:21,126 WARN L193 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 54 [2020-07-07 11:23:21,909 WARN L193 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 54 [2020-07-07 11:23:21,916 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-07 11:23:21,917 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~z~0 |old(~z~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a7~0 |old(~a7~0)|) (= ~v~0 |old(~v~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= ~y~0 |old(~y~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~b~0 |old(~b~0)|) (= ~a20~0 |old(~a20~0)|) (= ~d~0 |old(~d~0)|)) [2020-07-07 11:23:21,917 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-07 11:23:21,917 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-07-07 11:23:21,917 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-07-07 11:23:21,917 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:21,918 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:21,918 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:21,918 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:21,918 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:21,918 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:21,918 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-07-07 11:23:21,918 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-07-07 11:23:21,918 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-07-07 11:23:21,918 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-07-07 11:23:21,919 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-07-07 11:23:21,919 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-07-07 11:23:21,919 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-07-07 11:23:21,919 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-07-07 11:23:21,919 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-07-07 11:23:21,919 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-07-07 11:23:21,919 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:21,919 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:21,919 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:21,919 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:21,920 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:21,920 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:21,920 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-07-07 11:23:21,920 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-07-07 11:23:21,920 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-07-07 11:23:21,920 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-07-07 11:23:21,920 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-07-07 11:23:21,920 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-07-07 11:23:21,920 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-07-07 11:23:21,920 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-07-07 11:23:21,921 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-07-07 11:23:21,921 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-07-07 11:23:21,921 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-07-07 11:23:21,921 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 485) no Hoare annotation was computed. [2020-07-07 11:23:21,921 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-07-07 11:23:21,921 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-07-07 11:23:21,921 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-07-07 11:23:21,921 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-07-07 11:23:21,921 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:21,922 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:21,922 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:21,922 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:21,922 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:21,922 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-07-07 11:23:21,922 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-07-07 11:23:21,922 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-07-07 11:23:21,922 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-07-07 11:23:21,922 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-07-07 11:23:21,923 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-07-07 11:23:21,923 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-07-07 11:23:21,923 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-07-07 11:23:21,923 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-07-07 11:23:21,923 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:21,923 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:21,923 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:21,923 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:21,923 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:21,923 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-07-07 11:23:21,924 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-07-07 11:23:21,924 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-07-07 11:23:21,924 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-07-07 11:23:21,924 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-07-07 11:23:21,924 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-07-07 11:23:21,924 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-07-07 11:23:21,924 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-07-07 11:23:21,924 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-07-07 11:23:21,924 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-07-07 11:23:21,925 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-07-07 11:23:21,925 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-07-07 11:23:21,925 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-07-07 11:23:21,925 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:21,925 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:21,925 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:21,925 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:21,925 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:21,926 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-07-07 11:23:21,926 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-07-07 11:23:21,926 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-07-07 11:23:21,926 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-07-07 11:23:21,926 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-07-07 11:23:21,926 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-07-07 11:23:21,926 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-07-07 11:23:21,926 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-07-07 11:23:21,926 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-07-07 11:23:21,926 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:21,927 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:21,927 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:21,927 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:21,927 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:21,927 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:21,927 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-07-07 11:23:21,927 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:21,927 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-07-07 11:23:21,927 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-07-07 11:23:21,928 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-07-07 11:23:21,928 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-07-07 11:23:21,928 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-07-07 11:23:21,928 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-07-07 11:23:21,928 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-07-07 11:23:21,928 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-07-07 11:23:21,928 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-07-07 11:23:21,928 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-07-07 11:23:21,928 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-07-07 11:23:21,929 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-07-07 11:23:21,929 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-07-07 11:23:21,929 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:21,929 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:21,929 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:21,929 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:21,929 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:21,929 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-07-07 11:23:21,929 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-07-07 11:23:21,929 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-07-07 11:23:21,930 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-07-07 11:23:21,930 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-07-07 11:23:21,930 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-07-07 11:23:21,930 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-07-07 11:23:21,930 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-07-07 11:23:21,930 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:21,930 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:21,930 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:21,930 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:21,931 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:21,931 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-07-07 11:23:21,931 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-07-07 11:23:21,931 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-07-07 11:23:21,931 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-07-07 11:23:21,931 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-07-07 11:23:21,931 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-07-07 11:23:21,931 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-07-07 11:23:21,931 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-07-07 11:23:21,931 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-07-07 11:23:21,932 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-07-07 11:23:21,932 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse15 (= 1 ~a21~0)) (.cse19 (= ~a20~0 |old(~a20~0)|)) (.cse18 (not (<= |old(~a8~0)| 14))) (.cse10 (not (<= 5 |old(~a16~0)|))) (.cse6 (not (= 1 |old(~a20~0)|))) (.cse2 (not (<= |old(~a16~0)| 5))) (.cse7 (not (<= |old(~a8~0)| 13))) (.cse11 (= ~a7~0 |old(~a7~0)|)) (.cse12 (= ~a17~0 |old(~a17~0)|)) (.cse13 (= ~a16~0 |old(~a16~0)|)) (.cse14 (= ~a8~0 |old(~a8~0)|)) (.cse16 (= 1 ~a20~0)) (.cse20 (= ~a21~0 |old(~a21~0)|))) (let ((.cse5 (not (<= |old(~a17~0)| 0))) (.cse8 (and .cse11 .cse12 .cse13 .cse14 .cse16 .cse20)) (.cse0 (not (= 1 |old(~a7~0)|))) (.cse17 (and (or .cse6 .cse18 .cse2 .cse10) (or .cse6 .cse2 .cse7))) (.cse9 (not (<= |old(~a7~0)| 0))) (.cse1 (and .cse11 .cse12 .cse13 .cse14 .cse15 .cse19)) (.cse3 (not (<= |old(~a20~0)| 0))) (.cse4 (not (= 1 |old(~a21~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse7 .cse5 .cse8) (or .cse6 .cse9 .cse1 .cse10 .cse4) (or .cse6 .cse9 (and .cse11 .cse12 .cse13 .cse14 .cse15 .cse16) .cse4 .cse5) (or .cse0 .cse17 .cse8) (or .cse0 .cse18 .cse2 .cse3 (not (<= |old(~a16~0)| 4)) (and .cse11 .cse12 .cse13 .cse14 .cse19 .cse20)) (or .cse1 (and (or .cse18 .cse2 .cse3 .cse4) (or (and (or .cse9 .cse2 .cse7) (or .cse6 .cse9 .cse18)) .cse4) (or .cse17 .cse4))) (or .cse9 .cse1 .cse3 .cse4)))) [2020-07-07 11:23:21,932 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-07-07 11:23:21,932 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:21,932 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:21,933 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:21,933 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:21,933 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-07-07 11:23:21,933 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:21,933 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:21,933 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-07-07 11:23:21,933 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-07-07 11:23:21,933 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-07-07 11:23:21,933 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-07-07 11:23:21,933 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-07-07 11:23:21,933 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-07-07 11:23:21,934 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-07-07 11:23:21,934 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-07-07 11:23:21,934 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-07-07 11:23:21,934 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-07-07 11:23:21,934 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-07-07 11:23:21,934 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-07-07 11:23:21,934 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:21,934 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:21,934 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:21,935 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:21,935 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:21,935 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-07-07 11:23:21,935 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:21,935 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-07-07 11:23:21,935 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-07-07 11:23:21,935 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-07-07 11:23:21,935 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-07-07 11:23:21,935 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-07-07 11:23:21,936 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-07-07 11:23:21,936 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-07-07 11:23:21,936 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-07-07 11:23:21,936 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-07-07 11:23:21,936 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-07-07 11:23:21,936 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-07-07 11:23:21,936 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-07-07 11:23:21,936 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-07-07 11:23:21,936 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-07-07 11:23:21,936 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:21,937 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:21,937 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:21,937 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:21,937 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:21,937 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-07-07 11:23:21,937 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-07-07 11:23:21,937 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-07-07 11:23:21,937 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-07-07 11:23:21,937 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-07-07 11:23:21,937 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-07-07 11:23:21,937 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-07-07 11:23:21,938 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-07-07 11:23:21,938 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-07-07 11:23:21,938 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-07-07 11:23:21,938 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-07-07 11:23:21,938 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-07 11:23:21,938 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a7~0 0) (<= ~a16~0 5) (<= 5 ~a16~0) (= 1 ~a21~0) (= 1 ~a20~0)) [2020-07-07 11:23:21,938 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-07 11:23:21,938 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-07 11:23:21,939 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 1 |old(~a20~0)|)) (not (<= |old(~a7~0)| 0)) (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= 1 ~a21~0) (= ~a20~0 |old(~a20~0)|)) (not (<= |old(~a16~0)| 5)) (not (<= 5 |old(~a16~0)|)) (not (= 1 |old(~a21~0)|))) [2020-07-07 11:23:21,939 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-07-07 11:23:21,939 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (let ((.cse10 (<= 5 ~a16~0)) (.cse8 (<= ~a8~0 14)) (.cse9 (<= ~a8~0 13)) (.cse7 (<= ~a16~0 5)) (.cse5 (= 1 ~a20~0))) (let ((.cse0 (or (and .cse10 .cse7 .cse5 .cse8) (and .cse9 .cse7 .cse5))) (.cse6 (= 1 ~a7~0)) (.cse4 (<= ~a17~0 0)) (.cse2 (<= ~a7~0 0)) (.cse1 (= 1 ~a21~0)) (.cse3 (<= ~a20~0 0))) (or (and .cse0 .cse1) (and .cse2 .cse1 .cse3) (not (<= |old(~a7~0)| 0)) (and .cse4 .cse2 .cse1 .cse5) (and .cse6 .cse4 .cse7 .cse1 .cse3) (and .cse6 .cse3 .cse8 (<= ~a16~0 4)) (not (<= 5 |old(~a16~0)|)) (and .cse6 .cse0) (and .cse9 .cse6 .cse4 .cse5) (not (= 1 |old(~a20~0)|)) (not (<= |old(~a16~0)| 5)) (and (or (and .cse9 .cse2 .cse7) (and .cse2 .cse5 .cse8)) .cse1) (and .cse2 .cse10 .cse1 .cse5) (and .cse7 .cse1 .cse3 .cse8) (not (= 1 |old(~a21~0)|))))) [2020-07-07 11:23:21,939 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-07-07 11:23:21,939 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-07-07 11:23:21,939 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse10 (<= 5 ~a16~0)) (.cse8 (<= ~a8~0 14)) (.cse9 (<= ~a8~0 13)) (.cse7 (<= ~a16~0 5)) (.cse5 (= 1 ~a20~0))) (let ((.cse0 (or (and .cse10 .cse7 .cse5 .cse8) (and .cse9 .cse7 .cse5))) (.cse6 (= 1 ~a7~0)) (.cse4 (<= ~a17~0 0)) (.cse2 (<= ~a7~0 0)) (.cse1 (= 1 ~a21~0)) (.cse3 (<= ~a20~0 0))) (or (and .cse0 .cse1) (and .cse2 .cse1 .cse3) (not (<= |old(~a7~0)| 0)) (and .cse4 .cse2 .cse1 .cse5) (and .cse6 .cse4 .cse7 .cse1 .cse3) (and .cse6 .cse3 .cse8 (<= ~a16~0 4)) (not (<= 5 |old(~a16~0)|)) (and .cse6 .cse0) (and .cse9 .cse6 .cse4 .cse5) (not (= 1 |old(~a20~0)|)) (not (<= |old(~a16~0)| 5)) (and (or (and .cse9 .cse2 .cse7) (and .cse2 .cse5 .cse8)) .cse1) (and .cse2 .cse10 .cse1 .cse5) (and .cse7 .cse1 .cse3 .cse8) (not (= 1 |old(~a21~0)|))))) [2020-07-07 11:23:21,940 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-07-07 11:23:21,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 11:23:21 BoogieIcfgContainer [2020-07-07 11:23:21,963 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 11:23:21,965 INFO L168 Benchmark]: Toolchain (without parser) took 34427.72 ms. Allocated memory was 140.0 MB in the beginning and 621.8 MB in the end (delta: 481.8 MB). Free memory was 102.9 MB in the beginning and 150.8 MB in the end (delta: -47.8 MB). Peak memory consumption was 493.6 MB. Max. memory is 7.1 GB. [2020-07-07 11:23:21,966 INFO L168 Benchmark]: CDTParser took 0.55 ms. Allocated memory is still 140.0 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-07 11:23:21,966 INFO L168 Benchmark]: CACSL2BoogieTranslator took 715.81 ms. Allocated memory was 140.0 MB in the beginning and 206.0 MB in the end (delta: 66.1 MB). Free memory was 102.7 MB in the beginning and 172.4 MB in the end (delta: -69.6 MB). Peak memory consumption was 35.7 MB. Max. memory is 7.1 GB. [2020-07-07 11:23:21,967 INFO L168 Benchmark]: Boogie Preprocessor took 127.33 ms. Allocated memory is still 206.0 MB. Free memory was 172.4 MB in the beginning and 167.6 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-07-07 11:23:21,968 INFO L168 Benchmark]: RCFGBuilder took 1285.54 ms. Allocated memory was 206.0 MB in the beginning and 237.5 MB in the end (delta: 31.5 MB). Free memory was 167.6 MB in the beginning and 176.8 MB in the end (delta: -9.2 MB). Peak memory consumption was 79.9 MB. Max. memory is 7.1 GB. [2020-07-07 11:23:21,969 INFO L168 Benchmark]: TraceAbstraction took 32292.76 ms. Allocated memory was 237.5 MB in the beginning and 621.8 MB in the end (delta: 384.3 MB). Free memory was 176.8 MB in the beginning and 150.8 MB in the end (delta: 26.1 MB). Peak memory consumption was 470.0 MB. Max. memory is 7.1 GB. [2020-07-07 11:23:21,972 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55 ms. Allocated memory is still 140.0 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 715.81 ms. Allocated memory was 140.0 MB in the beginning and 206.0 MB in the end (delta: 66.1 MB). Free memory was 102.7 MB in the beginning and 172.4 MB in the end (delta: -69.6 MB). Peak memory consumption was 35.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 127.33 ms. Allocated memory is still 206.0 MB. Free memory was 172.4 MB in the beginning and 167.6 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1285.54 ms. Allocated memory was 206.0 MB in the beginning and 237.5 MB in the end (delta: 31.5 MB). Free memory was 167.6 MB in the beginning and 176.8 MB in the end (delta: -9.2 MB). Peak memory consumption was 79.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 32292.76 ms. Allocated memory was 237.5 MB in the beginning and 621.8 MB in the end (delta: 384.3 MB). Free memory was 176.8 MB in the beginning and 150.8 MB in the end (delta: 26.1 MB). Peak memory consumption was 470.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 485]: 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: 583]: Loop Invariant Derived loop invariant: ((((((((((((((((((5 <= a16 && a16 <= 5) && 1 == a20) && a8 <= 14) || ((a8 <= 13 && a16 <= 5) && 1 == a20)) && 1 == a21) || ((a7 <= 0 && 1 == a21) && a20 <= 0)) || !(\old(a7) <= 0)) || (((a17 <= 0 && a7 <= 0) && 1 == a21) && 1 == a20)) || ((((1 == a7 && a17 <= 0) && a16 <= 5) && 1 == a21) && a20 <= 0)) || (((1 == a7 && a20 <= 0) && a8 <= 14) && a16 <= 4)) || !(5 <= \old(a16))) || (1 == a7 && ((((5 <= a16 && a16 <= 5) && 1 == a20) && a8 <= 14) || ((a8 <= 13 && a16 <= 5) && 1 == a20)))) || (((a8 <= 13 && 1 == a7) && a17 <= 0) && 1 == a20)) || !(1 == \old(a20))) || !(\old(a16) <= 5)) || ((((a8 <= 13 && a7 <= 0) && a16 <= 5) || ((a7 <= 0 && 1 == a20) && a8 <= 14)) && 1 == a21)) || (((a7 <= 0 && 5 <= a16) && 1 == a21) && 1 == a20)) || (((a16 <= 5 && 1 == a21) && a20 <= 0) && a8 <= 14)) || !(1 == \old(a21)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 25.7s, OverallIterations: 8, TraceHistogramMax: 5, AutomataDifference: 19.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 701 SDtfs, 4536 SDslu, 575 SDs, 0 SdLazy, 11418 SolverSat, 1928 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1216 GetRequests, 1092 SyntacticMatches, 1 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 721 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4303occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 8 MinimizatonAttempts, 2374 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 211 PreInvPairs, 433 NumberOfFragments, 883 HoareAnnotationTreeSize, 211 FomulaSimplifications, 310496 FormulaSimplificationTreeSizeReduction, 2.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 13233 FormulaSimplificationTreeSizeReductionInter, 4.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 2244 NumberOfCodeBlocks, 2244 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 2230 ConstructedInterpolants, 0 QuantifiedInterpolants, 1043218 SizeOfPredicates, 8 NumberOfNonLiveVariables, 2834 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 14 InterpolantComputations, 5 PerfectInterpolantSequences, 1024/1093 InterpolantCoveringCapability, 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...