/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label52.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 18:35:15,447 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 18:35:15,450 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 18:35:15,495 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-23 18:35:15,496 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-23 18:35:15,498 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-23 18:35:15,501 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-23 18:35:15,504 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-23 18:35:15,524 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-23 18:35:15,529 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-23 18:35:15,531 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-23 18:35:15,534 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2020-10-23 18:35:15,622 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 18:35:15,624 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 18:35:15,625 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 18:35:15,627 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 [2020-10-23 18:35:15,701 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 18:35:15,701 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 18:35:15,707 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-23 18:35:15,708 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-23 18:35:15,708 INFO L138 SettingsManager]: * Use SBE=true [2020-10-23 18:35:15,709 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 18:35:15,709 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 18:35:15,709 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 18:35:15,710 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 18:35:15,710 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 18:35:15,712 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 18:35:15,712 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 18:35:15,712 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 18:35:15,713 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 18:35:15,713 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 18:35:15,713 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 18:35:15,714 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 18:35:15,714 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 18:35:15,715 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-23 18:35:15,715 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 18:35:15,715 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 18:35:15,716 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 18:35:15,717 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 18:35:15,717 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-23 18:35:15,717 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-23 18:35:15,718 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-23 18:35:15,718 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-23 18:35:15,718 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 18:35:15,718 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-23 18:35:15,719 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-10-23 18:35:16,230 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 18:35:16,274 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 18:35:16,279 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 18:35:16,281 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 18:35:16,282 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 18:35:16,283 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label52.c [2020-10-23 18:35:16,376 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cda94d59/37602625fc5843879414ecb0f5676da2/FLAG2ad709729 [2020-10-23 18:35:17,275 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 18:35:17,275 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label52.c [2020-10-23 18:35:17,310 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cda94d59/37602625fc5843879414ecb0f5676da2/FLAG2ad709729 [2020-10-23 18:35:17,511 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cda94d59/37602625fc5843879414ecb0f5676da2 [2020-10-23 18:35:17,515 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 18:35:17,524 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 18:35:17,526 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 18:35:17,526 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 18:35:17,531 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 18:35:17,532 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:35:17" (1/1) ... [2020-10-23 18:35:17,537 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ac2e17f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:35:17, skipping insertion in model container [2020-10-23 18:35:17,537 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:35:17" (1/1) ... [2020-10-23 18:35:17,547 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 18:35:17,602 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 18:35:18,061 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:35:18,074 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 18:35:18,309 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:35:18,329 INFO L208 MainTranslator]: Completed translation [2020-10-23 18:35:18,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:35:18 WrapperNode [2020-10-23 18:35:18,330 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 18:35:18,332 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 18:35:18,332 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 18:35:18,332 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 18:35:18,349 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:35:18" (1/1) ... [2020-10-23 18:35:18,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:35:18" (1/1) ... [2020-10-23 18:35:18,370 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:35:18" (1/1) ... [2020-10-23 18:35:18,371 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:35:18" (1/1) ... [2020-10-23 18:35:18,416 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:35:18" (1/1) ... [2020-10-23 18:35:18,436 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:35:18" (1/1) ... [2020-10-23 18:35:18,443 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:35:18" (1/1) ... [2020-10-23 18:35:18,450 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 18:35:18,451 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 18:35:18,451 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 18:35:18,452 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 18:35:18,452 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:35:18" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 18:35:18,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 18:35:18,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 18:35:18,577 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 18:35:18,577 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-23 18:35:18,577 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 18:35:18,577 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-23 18:35:18,577 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 18:35:18,578 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 18:35:18,578 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 18:35:18,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 18:35:18,578 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 18:35:18,578 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-23 18:35:18,578 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 18:35:18,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 18:35:18,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 18:35:18,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 18:35:18,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 18:35:18,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 18:35:18,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 18:35:20,386 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 18:35:20,387 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-23 18:35:20,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:35:20 BoogieIcfgContainer [2020-10-23 18:35:20,390 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 18:35:20,392 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 18:35:20,393 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 18:35:20,398 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 18:35:20,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 06:35:17" (1/3) ... [2020-10-23 18:35:20,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c6ad5cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:35:20, skipping insertion in model container [2020-10-23 18:35:20,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:35:18" (2/3) ... [2020-10-23 18:35:20,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c6ad5cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:35:20, skipping insertion in model container [2020-10-23 18:35:20,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:35:20" (3/3) ... [2020-10-23 18:35:20,402 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label52.c [2020-10-23 18:35:20,419 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-23 18:35:20,426 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-23 18:35:20,443 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-23 18:35:20,481 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 18:35:20,482 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 18:35:20,482 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-23 18:35:20,482 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 18:35:20,482 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 18:35:20,482 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 18:35:20,482 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 18:35:20,482 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 18:35:20,512 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states. [2020-10-23 18:35:20,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-23 18:35:20,541 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:35:20,542 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, 1, 1] [2020-10-23 18:35:20,543 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:35:20,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:35:20,563 INFO L82 PathProgramCache]: Analyzing trace with hash 1927775789, now seen corresponding path program 1 times [2020-10-23 18:35:20,576 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:35:20,577 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272057205] [2020-10-23 18:35:20,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:35:20,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:21,377 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-23 18:35:21,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:35:21,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:21,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:35:21,462 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272057205] [2020-10-23 18:35:21,464 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:35:21,464 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-23 18:35:21,500 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437329421] [2020-10-23 18:35:21,513 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-23 18:35:21,513 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:35:21,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-23 18:35:21,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-23 18:35:21,543 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 4 states. [2020-10-23 18:35:21,736 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-10-23 18:35:24,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:35:24,157 INFO L93 Difference]: Finished difference Result 654 states and 1108 transitions. [2020-10-23 18:35:24,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-23 18:35:24,160 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 111 [2020-10-23 18:35:24,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:35:24,181 INFO L225 Difference]: With dead ends: 654 [2020-10-23 18:35:24,181 INFO L226 Difference]: Without dead ends: 340 [2020-10-23 18:35:24,190 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-23 18:35:24,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2020-10-23 18:35:24,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 329. [2020-10-23 18:35:24,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 329 states. [2020-10-23 18:35:24,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 472 transitions. [2020-10-23 18:35:24,325 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 472 transitions. Word has length 111 [2020-10-23 18:35:24,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:35:24,326 INFO L481 AbstractCegarLoop]: Abstraction has 329 states and 472 transitions. [2020-10-23 18:35:24,327 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-23 18:35:24,327 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 472 transitions. [2020-10-23 18:35:24,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2020-10-23 18:35:24,335 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:35:24,336 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:35:24,336 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 18:35:24,336 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:35:24,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:35:24,342 INFO L82 PathProgramCache]: Analyzing trace with hash 1457776321, now seen corresponding path program 1 times [2020-10-23 18:35:24,343 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:35:24,343 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129965294] [2020-10-23 18:35:24,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:35:24,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:24,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:35:24,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:24,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:35:24,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:24,709 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:35:24,710 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129965294] [2020-10-23 18:35:24,710 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:35:24,711 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-23 18:35:24,711 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028127701] [2020-10-23 18:35:24,713 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-23 18:35:24,714 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:35:24,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-23 18:35:24,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-23 18:35:24,715 INFO L87 Difference]: Start difference. First operand 329 states and 472 transitions. Second operand 8 states. [2020-10-23 18:35:24,870 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-23 18:35:25,238 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-23 18:35:26,043 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-23 18:35:28,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:35:28,673 INFO L93 Difference]: Finished difference Result 1270 states and 1899 transitions. [2020-10-23 18:35:28,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-23 18:35:28,674 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 123 [2020-10-23 18:35:28,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:35:28,691 INFO L225 Difference]: With dead ends: 1270 [2020-10-23 18:35:28,695 INFO L226 Difference]: Without dead ends: 947 [2020-10-23 18:35:28,704 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-10-23 18:35:28,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 947 states. [2020-10-23 18:35:28,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 947 to 928. [2020-10-23 18:35:28,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 928 states. [2020-10-23 18:35:28,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 928 states to 928 states and 1251 transitions. [2020-10-23 18:35:28,822 INFO L78 Accepts]: Start accepts. Automaton has 928 states and 1251 transitions. Word has length 123 [2020-10-23 18:35:28,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:35:28,823 INFO L481 AbstractCegarLoop]: Abstraction has 928 states and 1251 transitions. [2020-10-23 18:35:28,823 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-23 18:35:28,826 INFO L276 IsEmpty]: Start isEmpty. Operand 928 states and 1251 transitions. [2020-10-23 18:35:28,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-23 18:35:28,838 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:35:28,838 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1] [2020-10-23 18:35:28,838 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-23 18:35:28,839 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:35:28,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:35:28,839 INFO L82 PathProgramCache]: Analyzing trace with hash -1592137738, now seen corresponding path program 1 times [2020-10-23 18:35:28,840 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:35:28,840 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096623051] [2020-10-23 18:35:28,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:35:28,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:29,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:35:29,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:29,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:35:29,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:29,204 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:35:29,205 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096623051] [2020-10-23 18:35:29,205 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1065977703] [2020-10-23 18:35:29,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:35:29,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:29,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-23 18:35:29,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:35:29,774 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-23 18:35:29,774 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-23 18:35:29,776 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7 [2020-10-23 18:35:29,777 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863169780] [2020-10-23 18:35:29,780 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-23 18:35:29,781 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:35:29,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-23 18:35:29,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-23 18:35:29,783 INFO L87 Difference]: Start difference. First operand 928 states and 1251 transitions. Second operand 7 states. [2020-10-23 18:35:29,965 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-23 18:35:30,282 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-23 18:35:34,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:35:34,190 INFO L93 Difference]: Finished difference Result 3708 states and 5429 transitions. [2020-10-23 18:35:34,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-23 18:35:34,191 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 124 [2020-10-23 18:35:34,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:35:34,218 INFO L225 Difference]: With dead ends: 3708 [2020-10-23 18:35:34,219 INFO L226 Difference]: Without dead ends: 2786 [2020-10-23 18:35:34,226 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2020-10-23 18:35:34,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2786 states. [2020-10-23 18:35:34,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2786 to 2591. [2020-10-23 18:35:34,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2591 states. [2020-10-23 18:35:34,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2591 states to 2591 states and 3440 transitions. [2020-10-23 18:35:34,407 INFO L78 Accepts]: Start accepts. Automaton has 2591 states and 3440 transitions. Word has length 124 [2020-10-23 18:35:34,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:35:34,408 INFO L481 AbstractCegarLoop]: Abstraction has 2591 states and 3440 transitions. [2020-10-23 18:35:34,408 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-23 18:35:34,408 INFO L276 IsEmpty]: Start isEmpty. Operand 2591 states and 3440 transitions. [2020-10-23 18:35:34,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-23 18:35:34,417 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:35:34,418 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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, 1, 1, 1] [2020-10-23 18:35:34,632 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-10-23 18:35:34,633 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:35:34,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:35:34,635 INFO L82 PathProgramCache]: Analyzing trace with hash 594210294, now seen corresponding path program 1 times [2020-10-23 18:35:34,635 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:35:34,636 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255606243] [2020-10-23 18:35:34,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:35:34,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:34,863 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-23 18:35:34,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:35:34,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:34,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:35:34,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:34,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-23 18:35:34,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:35,017 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-23 18:35:35,018 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255606243] [2020-10-23 18:35:35,019 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2059297657] [2020-10-23 18:35:35,019 INFO L95 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 [2020-10-23 18:35:35,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:35,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:35:35,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:35:35,339 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-23 18:35:35,340 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-23 18:35:35,342 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-10-23 18:35:35,343 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265497203] [2020-10-23 18:35:35,343 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 18:35:35,343 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:35:35,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 18:35:35,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-23 18:35:35,345 INFO L87 Difference]: Start difference. First operand 2591 states and 3440 transitions. Second operand 3 states. [2020-10-23 18:35:36,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:35:36,325 INFO L93 Difference]: Finished difference Result 5908 states and 8015 transitions. [2020-10-23 18:35:36,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 18:35:36,325 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 134 [2020-10-23 18:35:36,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:35:36,357 INFO L225 Difference]: With dead ends: 5908 [2020-10-23 18:35:36,357 INFO L226 Difference]: Without dead ends: 3323 [2020-10-23 18:35:36,368 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-23 18:35:36,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3323 states. [2020-10-23 18:35:36,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3323 to 3323. [2020-10-23 18:35:36,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3323 states. [2020-10-23 18:35:36,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3323 states to 3323 states and 4050 transitions. [2020-10-23 18:35:36,520 INFO L78 Accepts]: Start accepts. Automaton has 3323 states and 4050 transitions. Word has length 134 [2020-10-23 18:35:36,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:35:36,522 INFO L481 AbstractCegarLoop]: Abstraction has 3323 states and 4050 transitions. [2020-10-23 18:35:36,522 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 18:35:36,523 INFO L276 IsEmpty]: Start isEmpty. Operand 3323 states and 4050 transitions. [2020-10-23 18:35:36,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-23 18:35:36,533 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:35:36,533 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-23 18:35:36,748 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:35:36,749 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:35:36,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:35:36,750 INFO L82 PathProgramCache]: Analyzing trace with hash 1088662092, now seen corresponding path program 1 times [2020-10-23 18:35:36,751 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:35:36,751 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952993189] [2020-10-23 18:35:36,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:35:36,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:36,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:35:36,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:36,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:35:36,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:37,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-23 18:35:37,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:37,093 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 27 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-23 18:35:37,094 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952993189] [2020-10-23 18:35:37,094 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2057572413] [2020-10-23 18:35:37,095 INFO L95 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 [2020-10-23 18:35:37,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:37,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 458 conjuncts, 11 conjunts are in the unsatisfiable core [2020-10-23 18:35:37,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:35:37,358 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-23 18:35:37,359 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-23 18:35:37,359 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 8 [2020-10-23 18:35:37,359 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455046309] [2020-10-23 18:35:37,360 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-23 18:35:37,360 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:35:37,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-23 18:35:37,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-23 18:35:37,362 INFO L87 Difference]: Start difference. First operand 3323 states and 4050 transitions. Second operand 5 states. [2020-10-23 18:35:38,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:35:38,670 INFO L93 Difference]: Finished difference Result 8365 states and 10729 transitions. [2020-10-23 18:35:38,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-23 18:35:38,671 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 146 [2020-10-23 18:35:38,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:35:38,710 INFO L225 Difference]: With dead ends: 8365 [2020-10-23 18:35:38,711 INFO L226 Difference]: Without dead ends: 4894 [2020-10-23 18:35:38,725 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-23 18:35:38,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4894 states. [2020-10-23 18:35:38,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4894 to 4806. [2020-10-23 18:35:38,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4806 states. [2020-10-23 18:35:38,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4806 states to 4806 states and 5718 transitions. [2020-10-23 18:35:38,940 INFO L78 Accepts]: Start accepts. Automaton has 4806 states and 5718 transitions. Word has length 146 [2020-10-23 18:35:38,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:35:38,941 INFO L481 AbstractCegarLoop]: Abstraction has 4806 states and 5718 transitions. [2020-10-23 18:35:38,941 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-23 18:35:38,941 INFO L276 IsEmpty]: Start isEmpty. Operand 4806 states and 5718 transitions. [2020-10-23 18:35:38,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-10-23 18:35:38,955 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:35:38,956 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-23 18:35:39,171 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:35:39,172 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:35:39,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:35:39,174 INFO L82 PathProgramCache]: Analyzing trace with hash -914748344, now seen corresponding path program 1 times [2020-10-23 18:35:39,174 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:35:39,175 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519256882] [2020-10-23 18:35:39,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:35:39,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:39,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:35:39,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:39,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:35:39,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:39,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-23 18:35:39,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:39,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-23 18:35:39,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:39,482 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 57 proven. 18 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-23 18:35:39,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519256882] [2020-10-23 18:35:39,486 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1701023797] [2020-10-23 18:35:39,487 INFO L95 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 [2020-10-23 18:35:39,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:39,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:35:39,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:35:39,798 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 65 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-23 18:35:39,798 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-23 18:35:39,799 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 10 [2020-10-23 18:35:39,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694655181] [2020-10-23 18:35:39,800 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-23 18:35:39,801 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:35:39,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-23 18:35:39,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-23 18:35:39,802 INFO L87 Difference]: Start difference. First operand 4806 states and 5718 transitions. Second operand 10 states. [2020-10-23 18:35:41,265 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-23 18:35:42,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:35:42,313 INFO L93 Difference]: Finished difference Result 9492 states and 11325 transitions. [2020-10-23 18:35:42,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-23 18:35:42,314 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 169 [2020-10-23 18:35:42,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:35:42,339 INFO L225 Difference]: With dead ends: 9492 [2020-10-23 18:35:42,339 INFO L226 Difference]: Without dead ends: 3781 [2020-10-23 18:35:42,357 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2020-10-23 18:35:42,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3781 states. [2020-10-23 18:35:42,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3781 to 3769. [2020-10-23 18:35:42,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3769 states. [2020-10-23 18:35:42,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3769 states to 3769 states and 4291 transitions. [2020-10-23 18:35:42,509 INFO L78 Accepts]: Start accepts. Automaton has 3769 states and 4291 transitions. Word has length 169 [2020-10-23 18:35:42,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:35:42,510 INFO L481 AbstractCegarLoop]: Abstraction has 3769 states and 4291 transitions. [2020-10-23 18:35:42,510 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-23 18:35:42,510 INFO L276 IsEmpty]: Start isEmpty. Operand 3769 states and 4291 transitions. [2020-10-23 18:35:42,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-10-23 18:35:42,524 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:35:42,525 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:35:42,739 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:35:42,740 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:35:42,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:35:42,741 INFO L82 PathProgramCache]: Analyzing trace with hash -916449441, now seen corresponding path program 1 times [2020-10-23 18:35:42,741 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:35:42,741 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090996589] [2020-10-23 18:35:42,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:35:42,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:42,961 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-23 18:35:42,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:35:42,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:42,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:35:43,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:43,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-23 18:35:43,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:43,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-23 18:35:43,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:43,144 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-10-23 18:35:43,145 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090996589] [2020-10-23 18:35:43,150 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:35:43,151 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-23 18:35:43,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380187747] [2020-10-23 18:35:43,154 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-23 18:35:43,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:35:43,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-23 18:35:43,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-23 18:35:43,155 INFO L87 Difference]: Start difference. First operand 3769 states and 4291 transitions. Second operand 6 states. [2020-10-23 18:35:45,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:35:45,228 INFO L93 Difference]: Finished difference Result 6758 states and 7670 transitions. [2020-10-23 18:35:45,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-23 18:35:45,229 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 199 [2020-10-23 18:35:45,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:35:45,230 INFO L225 Difference]: With dead ends: 6758 [2020-10-23 18:35:45,231 INFO L226 Difference]: Without dead ends: 0 [2020-10-23 18:35:45,246 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-10-23 18:35:45,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-23 18:35:45,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-23 18:35:45,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-23 18:35:45,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-23 18:35:45,248 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 199 [2020-10-23 18:35:45,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:35:45,249 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-23 18:35:45,249 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-23 18:35:45,249 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-23 18:35:45,249 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-23 18:35:45,249 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-23 18:35:45,256 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-23 18:35:45,796 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 142 [2020-10-23 18:35:45,934 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 142 [2020-10-23 18:35:46,160 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 28 [2020-10-23 18:35:47,867 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 149 DAG size of output: 59 [2020-10-23 18:35:48,353 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 40 [2020-10-23 18:35:48,799 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 40 [2020-10-23 18:35:49,058 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 35 [2020-10-23 18:35:49,063 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-23 18:35:49,064 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-23 18:35:49,064 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-23 18:35:49,064 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-23 18:35:49,064 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-23 18:35:49,065 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~y~0 |old(~y~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a17~0 |old(~a17~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~z~0 |old(~z~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|)) [2020-10-23 18:35:49,065 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-23 18:35:49,066 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-10-23 18:35:49,066 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-10-23 18:35:49,066 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-10-23 18:35:49,066 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-10-23 18:35:49,066 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-10-23 18:35:49,066 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-10-23 18:35:49,066 INFO L274 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-10-23 18:35:49,066 INFO L274 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-10-23 18:35:49,067 INFO L274 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-10-23 18:35:49,067 INFO L274 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-10-23 18:35:49,067 INFO L274 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-10-23 18:35:49,067 INFO L274 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-10-23 18:35:49,067 INFO L274 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-10-23 18:35:49,067 INFO L274 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-10-23 18:35:49,067 INFO L274 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-10-23 18:35:49,068 INFO L274 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:49,068 INFO L274 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:49,068 INFO L274 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:49,068 INFO L274 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:49,068 INFO L274 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:49,068 INFO L274 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-10-23 18:35:49,068 INFO L274 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-10-23 18:35:49,068 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-10-23 18:35:49,068 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-10-23 18:35:49,069 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-10-23 18:35:49,069 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-10-23 18:35:49,069 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-10-23 18:35:49,069 INFO L274 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-10-23 18:35:49,069 INFO L274 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-10-23 18:35:49,069 INFO L274 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-10-23 18:35:49,069 INFO L274 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-10-23 18:35:49,069 INFO L274 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-10-23 18:35:49,069 INFO L274 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-10-23 18:35:49,070 INFO L274 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:49,070 INFO L274 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:49,070 INFO L274 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:49,070 INFO L274 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:49,070 INFO L274 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-10-23 18:35:49,070 INFO L274 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:49,070 INFO L274 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-10-23 18:35:49,071 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-10-23 18:35:49,071 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-10-23 18:35:49,071 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-10-23 18:35:49,071 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-10-23 18:35:49,071 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-10-23 18:35:49,071 INFO L274 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-10-23 18:35:49,071 INFO L274 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-10-23 18:35:49,071 INFO L274 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-10-23 18:35:49,071 INFO L274 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-10-23 18:35:49,072 INFO L274 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-10-23 18:35:49,072 INFO L274 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-10-23 18:35:49,072 INFO L274 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-10-23 18:35:49,072 INFO L274 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-10-23 18:35:49,072 INFO L274 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-10-23 18:35:49,072 INFO L274 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:49,072 INFO L274 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:49,072 INFO L274 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:49,072 INFO L274 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:49,072 INFO L274 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:49,073 INFO L274 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-10-23 18:35:49,073 INFO L274 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-10-23 18:35:49,073 INFO L274 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-10-23 18:35:49,073 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-10-23 18:35:49,073 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-10-23 18:35:49,073 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-10-23 18:35:49,073 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-10-23 18:35:49,073 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-10-23 18:35:49,074 INFO L274 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-10-23 18:35:49,074 INFO L274 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-10-23 18:35:49,074 INFO L274 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-10-23 18:35:49,074 INFO L274 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:49,074 INFO L274 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:49,074 INFO L274 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:49,074 INFO L274 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:49,074 INFO L274 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:49,074 INFO L274 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-10-23 18:35:49,074 INFO L274 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-10-23 18:35:49,075 INFO L274 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-10-23 18:35:49,075 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-10-23 18:35:49,075 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-10-23 18:35:49,075 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-10-23 18:35:49,075 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-10-23 18:35:49,075 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-10-23 18:35:49,075 INFO L274 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-10-23 18:35:49,075 INFO L274 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-10-23 18:35:49,075 INFO L274 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-10-23 18:35:49,076 INFO L274 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-10-23 18:35:49,076 INFO L274 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-10-23 18:35:49,076 INFO L274 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:49,076 INFO L274 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:49,076 INFO L274 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:49,076 INFO L274 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:49,076 INFO L274 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:49,076 INFO L274 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-10-23 18:35:49,076 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-10-23 18:35:49,076 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-10-23 18:35:49,078 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-10-23 18:35:49,079 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-23 18:35:49,079 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-10-23 18:35:49,079 INFO L274 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-10-23 18:35:49,079 INFO L274 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-10-23 18:35:49,079 INFO L274 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-10-23 18:35:49,079 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:49,079 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:49,080 INFO L274 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-10-23 18:35:49,080 INFO L274 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-10-23 18:35:49,080 INFO L274 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-10-23 18:35:49,080 INFO L274 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-10-23 18:35:49,080 INFO L274 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-10-23 18:35:49,080 INFO L274 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-10-23 18:35:49,080 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-10-23 18:35:49,080 INFO L274 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:49,080 INFO L274 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:49,080 INFO L274 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:49,081 INFO L274 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:49,081 INFO L274 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-10-23 18:35:49,081 INFO L274 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:49,081 INFO L274 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-10-23 18:35:49,081 INFO L274 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:49,081 INFO L274 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-10-23 18:35:49,081 INFO L274 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-10-23 18:35:49,081 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-10-23 18:35:49,081 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-10-23 18:35:49,081 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-10-23 18:35:49,082 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-10-23 18:35:49,082 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-10-23 18:35:49,082 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-23 18:35:49,082 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-10-23 18:35:49,082 INFO L274 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-10-23 18:35:49,082 INFO L274 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-10-23 18:35:49,082 INFO L274 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-10-23 18:35:49,082 INFO L274 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-10-23 18:35:49,083 INFO L274 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-10-23 18:35:49,083 INFO L274 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:49,083 INFO L274 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:49,083 INFO L274 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:49,083 INFO L274 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:49,083 INFO L274 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:49,083 INFO L274 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:49,083 INFO L274 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-10-23 18:35:49,083 INFO L274 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-10-23 18:35:49,083 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-10-23 18:35:49,084 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-10-23 18:35:49,084 INFO L270 CegarLoopResult]: At program point L486(line 486) the Hoare annotation is: (let ((.cse4 (not (= |old(~a11~0)| |old(~a25~0)|))) (.cse3 (= 10 |old(~a28~0)|)) (.cse0 (not (= |old(~a25~0)| 1))) (.cse2 (not (<= |old(~a11~0)| 0))) (.cse1 (not (= |old(~a19~0)| 1))) (.cse6 (not (<= |old(~a28~0)| 10))) (.cse7 (not (<= 10 |old(~a28~0)|))) (.cse5 (not (= |old(~a11~0)| 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse2 .cse4) (or (not (<= |old(~a28~0)| 7)) .cse5) (or .cse6 .cse5 .cse4) (or .cse1 .cse5) (or .cse6 .cse3 .cse2) (or .cse0 .cse6 .cse2) (or .cse6 .cse1 .cse7) (or .cse6 .cse7 .cse5))) [2020-10-23 18:35:49,084 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-10-23 18:35:49,084 INFO L274 CegarLoopResult]: For program point L486-1(line 486) no Hoare annotation was computed. [2020-10-23 18:35:49,084 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-10-23 18:35:49,084 INFO L274 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-10-23 18:35:49,084 INFO L274 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-10-23 18:35:49,085 INFO L274 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-10-23 18:35:49,085 INFO L274 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-10-23 18:35:49,085 INFO L274 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:49,085 INFO L274 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:49,085 INFO L274 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:49,085 INFO L274 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:49,085 INFO L274 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:49,085 INFO L274 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:49,085 INFO L274 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-10-23 18:35:49,085 INFO L274 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-10-23 18:35:49,085 INFO L274 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-10-23 18:35:49,086 INFO L274 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-23 18:35:49,086 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-10-23 18:35:49,086 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-10-23 18:35:49,086 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-10-23 18:35:49,086 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 31 600) the Hoare annotation is: (let ((.cse10 (= ~a28~0 |old(~a28~0)|)) (.cse2 (= ~a17~0 |old(~a17~0)|)) (.cse3 (= ~a11~0 |old(~a11~0)|)) (.cse16 (= ~a25~0 |old(~a25~0)|)) (.cse7 (= ~a19~0 |old(~a19~0)|))) (let ((.cse14 (and .cse10 .cse2 .cse3 .cse16 .cse7)) (.cse15 (= 10 |old(~a28~0)|)) (.cse11 (= ~a25~0 ~a11~0)) (.cse13 (not (= |old(~a11~0)| |old(~a25~0)|))) (.cse0 (not (= |old(~a25~0)| 1))) (.cse9 (not (<= |old(~a11~0)| 0))) (.cse5 (= ~a25~0 1)) (.cse12 (not (= |old(~a11~0)| 1))) (.cse1 (not (<= |old(~a28~0)| 10))) (.cse17 (not (= |old(~a19~0)| 1))) (.cse8 (not (<= 10 |old(~a28~0)|))) (.cse4 (<= 10 ~a28~0)) (.cse18 (= ~a19~0 1)) (.cse6 (<= ~a28~0 10))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) .cse8 .cse9) (or .cse1 (and .cse10 .cse11 .cse2 .cse5 .cse7) .cse12 .cse13) (or (not (<= |old(~a28~0)| 7)) .cse14 .cse12) (or .cse1 .cse14 .cse15 .cse9) (or .cse15 .cse9 (and .cse10 .cse11 .cse2 .cse16 .cse7) .cse13) (or .cse17 (and .cse10 .cse2 .cse3 .cse18 .cse16) .cse12) (or .cse0 .cse17 .cse9 (and .cse10 .cse2 .cse3 .cse18 .cse5)) (or .cse1 (and .cse2 .cse3 .cse4 .cse16 .cse6 .cse7) .cse8 .cse12) (or .cse1 .cse17 .cse8 (and .cse2 .cse3 .cse4 .cse18 .cse16 .cse6))))) [2020-10-23 18:35:49,087 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-10-23 18:35:49,087 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-10-23 18:35:49,087 INFO L274 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-10-23 18:35:49,087 INFO L274 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-10-23 18:35:49,087 INFO L274 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-10-23 18:35:49,087 INFO L274 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-10-23 18:35:49,087 INFO L274 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-10-23 18:35:49,088 INFO L274 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:49,088 INFO L274 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:49,088 INFO L274 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:49,088 INFO L274 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:49,088 INFO L274 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:49,088 INFO L274 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:49,088 INFO L274 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-10-23 18:35:49,088 INFO L274 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-10-23 18:35:49,088 INFO L274 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-10-23 18:35:49,088 INFO L274 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-10-23 18:35:49,089 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-10-23 18:35:49,089 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-10-23 18:35:49,089 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-10-23 18:35:49,089 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-10-23 18:35:49,089 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-10-23 18:35:49,089 INFO L274 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-10-23 18:35:49,089 INFO L274 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-10-23 18:35:49,089 INFO L274 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-10-23 18:35:49,089 INFO L274 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-10-23 18:35:49,089 INFO L274 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:49,090 INFO L274 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:49,090 INFO L274 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:49,090 INFO L274 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:49,090 INFO L274 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:49,090 INFO L274 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:49,090 INFO L274 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-10-23 18:35:49,090 INFO L274 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-10-23 18:35:49,090 INFO L274 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-10-23 18:35:49,090 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-10-23 18:35:49,090 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-10-23 18:35:49,091 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-10-23 18:35:49,091 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-10-23 18:35:49,091 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-10-23 18:35:49,091 INFO L274 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-10-23 18:35:49,091 INFO L274 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-10-23 18:35:49,091 INFO L274 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-10-23 18:35:49,091 INFO L274 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-10-23 18:35:49,091 INFO L274 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-10-23 18:35:49,091 INFO L274 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-10-23 18:35:49,091 INFO L274 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-10-23 18:35:49,092 INFO L274 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-10-23 18:35:49,092 INFO L274 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:49,092 INFO L274 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:49,092 INFO L274 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:49,092 INFO L274 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:49,092 INFO L274 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:49,092 INFO L274 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-10-23 18:35:49,092 INFO L274 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-10-23 18:35:49,092 INFO L274 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-10-23 18:35:49,093 INFO L274 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-10-23 18:35:49,093 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-23 18:35:49,093 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a25~0 ~a11~0) (<= ~a11~0 0) (= ~a19~0 1) (<= ~a28~0 7)) [2020-10-23 18:35:49,093 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-23 18:35:49,093 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-23 18:35:49,094 INFO L270 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (let ((.cse1 (<= 10 ~a28~0)) (.cse3 (= ~a11~0 1)) (.cse0 (= ~a19~0 1)) (.cse4 (= ~a25~0 1)) (.cse5 (<= ~a11~0 0)) (.cse6 (not (= ~a28~0 10))) (.cse2 (<= ~a28~0 10))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3) (not (= |old(~a19~0)| 1)) (and .cse4 .cse3 .cse2) (and .cse5 (= ~a25~0 ~a11~0) .cse6) (and .cse1 .cse3 .cse2) (and .cse5 .cse4 .cse2) (and (<= ~a28~0 7) .cse3) (and .cse5 .cse0 .cse4) (not (<= |old(~a28~0)| 7)) (and .cse5 .cse6 .cse2) (not (<= |old(~a11~0)| 0)) (not (= |old(~a11~0)| |old(~a25~0)|)))) [2020-10-23 18:35:49,094 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 602 619) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (not (= |old(~a19~0)| 1)) (and (= ~a28~0 |old(~a28~0)|) (= ~a25~0 ~a11~0) (= ~a17~0 |old(~a17~0)|) (= ~a19~0 1) (= ~a25~0 |old(~a25~0)|)) (not (<= |old(~a11~0)| 0)) (not (= |old(~a11~0)| |old(~a25~0)|))) [2020-10-23 18:35:49,094 INFO L274 CegarLoopResult]: For program point L608-3(lines 602 619) no Hoare annotation was computed. [2020-10-23 18:35:49,094 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 602 619) no Hoare annotation was computed. [2020-10-23 18:35:49,094 INFO L270 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (let ((.cse1 (<= 10 ~a28~0)) (.cse3 (= ~a11~0 1)) (.cse0 (= ~a19~0 1)) (.cse4 (= ~a25~0 1)) (.cse5 (<= ~a11~0 0)) (.cse6 (not (= ~a28~0 10))) (.cse2 (<= ~a28~0 10))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3) (not (= |old(~a19~0)| 1)) (and .cse4 .cse3 .cse2) (and .cse5 (= ~a25~0 ~a11~0) .cse6) (and .cse1 .cse3 .cse2) (and .cse5 .cse4 .cse2) (and (<= ~a28~0 7) .cse3) (and .cse5 .cse0 .cse4) (not (<= |old(~a28~0)| 7)) (and .cse5 .cse6 .cse2) (not (<= |old(~a11~0)| 0)) (not (= |old(~a11~0)| |old(~a25~0)|)))) [2020-10-23 18:35:49,094 INFO L274 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-10-23 18:35:49,094 INFO L274 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-10-23 18:35:49,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 06:35:49 BoogieIcfgContainer [2020-10-23 18:35:49,126 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 18:35:49,128 INFO L168 Benchmark]: Toolchain (without parser) took 31608.65 ms. Allocated memory was 158.3 MB in the beginning and 406.8 MB in the end (delta: 248.5 MB). Free memory was 132.0 MB in the beginning and 202.1 MB in the end (delta: -70.1 MB). Peak memory consumption was 242.5 MB. Max. memory is 8.0 GB. [2020-10-23 18:35:49,128 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 158.3 MB. Free memory is still 130.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 18:35:49,129 INFO L168 Benchmark]: CACSL2BoogieTranslator took 805.03 ms. Allocated memory is still 158.3 MB. Free memory was 131.4 MB in the beginning and 137.5 MB in the end (delta: -6.0 MB). Peak memory consumption was 28.8 MB. Max. memory is 8.0 GB. [2020-10-23 18:35:49,130 INFO L168 Benchmark]: Boogie Preprocessor took 118.56 ms. Allocated memory is still 158.3 MB. Free memory was 137.5 MB in the beginning and 132.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-23 18:35:49,131 INFO L168 Benchmark]: RCFGBuilder took 1938.76 ms. Allocated memory is still 158.3 MB. Free memory was 132.2 MB in the beginning and 114.5 MB in the end (delta: 17.7 MB). Peak memory consumption was 87.0 MB. Max. memory is 8.0 GB. [2020-10-23 18:35:49,132 INFO L168 Benchmark]: TraceAbstraction took 28733.60 ms. Allocated memory was 158.3 MB in the beginning and 406.8 MB in the end (delta: 248.5 MB). Free memory was 114.5 MB in the beginning and 202.1 MB in the end (delta: -87.6 MB). Peak memory consumption was 224.8 MB. Max. memory is 8.0 GB. [2020-10-23 18:35:49,135 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 158.3 MB. Free memory is still 130.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 805.03 ms. Allocated memory is still 158.3 MB. Free memory was 131.4 MB in the beginning and 137.5 MB in the end (delta: -6.0 MB). Peak memory consumption was 28.8 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 118.56 ms. Allocated memory is still 158.3 MB. Free memory was 137.5 MB in the beginning and 132.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1938.76 ms. Allocated memory is still 158.3 MB. Free memory was 132.2 MB in the beginning and 114.5 MB in the end (delta: 17.7 MB). Peak memory consumption was 87.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 28733.60 ms. Allocated memory was 158.3 MB in the beginning and 406.8 MB in the end (delta: 248.5 MB). Free memory was 114.5 MB in the beginning and 202.1 MB in the end (delta: -87.6 MB). Peak memory consumption was 224.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: (((((((((((((a19 == 1 && 10 <= a28) && a28 <= 10) || (a19 == 1 && a11 == 1)) || !(\old(a19) == 1)) || ((a25 == 1 && a11 == 1) && a28 <= 10)) || ((a11 <= 0 && a25 == a11) && !(a28 == 10))) || ((10 <= a28 && a11 == 1) && a28 <= 10)) || ((a11 <= 0 && a25 == 1) && a28 <= 10)) || (a28 <= 7 && a11 == 1)) || ((a11 <= 0 && a19 == 1) && a25 == 1)) || !(\old(a28) <= 7)) || ((a11 <= 0 && !(a28 == 10)) && a28 <= 10)) || !(\old(a11) <= 0)) || !(\old(a11) == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 24.7s, OverallIterations: 7, TraceHistogramMax: 4, AutomataDifference: 18.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 498 SDtfs, 3771 SDslu, 471 SDs, 0 SdLazy, 6543 SolverSat, 1074 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 675 GetRequests, 615 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4806occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 7 MinimizatonAttempts, 325 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 281 PreInvPairs, 339 NumberOfFragments, 709 HoareAnnotationTreeSize, 281 FomulaSimplifications, 27932 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 9 FomulaSimplificationsInter, 4825 FormulaSimplificationTreeSizeReductionInter, 3.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 1579 NumberOfCodeBlocks, 1579 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1568 ConstructedInterpolants, 0 QuantifiedInterpolants, 490382 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1829 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 11 InterpolantComputations, 5 PerfectInterpolantSequences, 417/458 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...