/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_label36.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 18:34:31,439 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 18:34:31,442 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 18:34:31,489 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-10-23 18:34:31,570 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 18:34:31,572 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 18:34:31,574 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 18:34:31,578 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 18:34:31,613 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 18:34:31,613 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 18:34:31,617 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-23 18:34:31,618 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-23 18:34:31,620 INFO L138 SettingsManager]: * Use SBE=true [2020-10-23 18:34:31,621 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 18:34:31,621 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 18:34:31,621 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 18:34:31,621 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 18:34:31,621 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 18:34:31,622 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 18:34:31,622 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 18:34:31,624 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 18:34:31,624 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 18:34:31,624 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 18:34:31,625 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 18:34:31,625 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 18:34:31,625 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 18:34:31,625 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-23 18:34:31,626 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 18:34:31,626 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 18:34:31,626 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 18:34:31,626 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 18:34:31,627 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-23 18:34:31,627 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-23 18:34:31,627 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-23 18:34:31,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-23 18:34:31,628 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 18:34:31,628 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-23 18:34:31,628 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-10-23 18:34:32,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 18:34:32,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 18:34:32,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 18:34:32,192 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 18:34:32,193 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 18:34:32,195 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label36.c [2020-10-23 18:34:32,324 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/142d778af/19cbcfb374934a2580fb84cf4748bd06/FLAG2bbcba911 [2020-10-23 18:34:33,331 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 18:34:33,332 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label36.c [2020-10-23 18:34:33,349 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/142d778af/19cbcfb374934a2580fb84cf4748bd06/FLAG2bbcba911 [2020-10-23 18:34:33,532 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/142d778af/19cbcfb374934a2580fb84cf4748bd06 [2020-10-23 18:34:33,537 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 18:34:33,545 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 18:34:33,553 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 18:34:33,553 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 18:34:33,559 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 18:34:33,562 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:34:33" (1/1) ... [2020-10-23 18:34:33,567 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46e23019 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:34:33, skipping insertion in model container [2020-10-23 18:34:33,567 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:34:33" (1/1) ... [2020-10-23 18:34:33,580 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 18:34:33,681 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 18:34:34,278 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:34:34,305 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 18:34:34,461 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:34:34,515 INFO L208 MainTranslator]: Completed translation [2020-10-23 18:34:34,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:34:34 WrapperNode [2020-10-23 18:34:34,516 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 18:34:34,518 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 18:34:34,519 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 18:34:34,519 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 18:34:34,538 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:34:34" (1/1) ... [2020-10-23 18:34:34,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:34:34" (1/1) ... [2020-10-23 18:34:34,567 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:34:34" (1/1) ... [2020-10-23 18:34:34,567 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:34:34" (1/1) ... [2020-10-23 18:34:34,616 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:34:34" (1/1) ... [2020-10-23 18:34:34,660 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:34:34" (1/1) ... [2020-10-23 18:34:34,672 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:34:34" (1/1) ... [2020-10-23 18:34:34,692 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 18:34:34,693 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 18:34:34,693 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 18:34:34,694 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 18:34:34,695 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:34:34" (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 18:34:34,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 18:34:34,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 18:34:34,808 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 18:34:34,809 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-23 18:34:34,809 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 18:34:34,810 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-23 18:34:34,810 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 18:34:34,811 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 18:34:34,811 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 18:34:34,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 18:34:34,813 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 18:34:34,813 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-23 18:34:34,813 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 18:34:34,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 18:34:34,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 18:34:34,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 18:34:34,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 18:34:34,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 18:34:34,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 18:34:36,673 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 18:34:36,674 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-23 18:34:36,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:34:36 BoogieIcfgContainer [2020-10-23 18:34:36,677 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 18:34:36,680 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 18:34:36,680 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 18:34:36,684 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 18:34:36,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 06:34:33" (1/3) ... [2020-10-23 18:34:36,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d6880 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:34:36, skipping insertion in model container [2020-10-23 18:34:36,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:34:34" (2/3) ... [2020-10-23 18:34:36,687 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d6880 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:34:36, skipping insertion in model container [2020-10-23 18:34:36,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:34:36" (3/3) ... [2020-10-23 18:34:36,690 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label36.c [2020-10-23 18:34:36,707 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-23 18:34:36,714 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-23 18:34:36,733 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-23 18:34:36,770 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 18:34:36,771 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 18:34:36,771 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-23 18:34:36,771 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 18:34:36,771 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 18:34:36,771 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 18:34:36,771 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 18:34:36,772 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 18:34:36,801 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states. [2020-10-23 18:34:36,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-10-23 18:34:36,819 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:34:36,821 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, 1, 1, 1, 1, 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 18:34:36,821 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:34:36,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:34:36,831 INFO L82 PathProgramCache]: Analyzing trace with hash 1100231837, now seen corresponding path program 1 times [2020-10-23 18:34:36,844 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:34:36,845 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419935309] [2020-10-23 18:34:36,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:34:37,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:37,608 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-23 18:34:37,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:34:37,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:37,705 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 18:34:37,706 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419935309] [2020-10-23 18:34:37,707 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:34:37,708 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-23 18:34:37,709 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240350195] [2020-10-23 18:34:37,718 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-23 18:34:37,718 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:34:37,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-23 18:34:37,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-23 18:34:37,747 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 4 states. [2020-10-23 18:34:37,938 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-23 18:34:40,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:34:40,715 INFO L93 Difference]: Finished difference Result 636 states and 1083 transitions. [2020-10-23 18:34:40,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-23 18:34:40,721 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 139 [2020-10-23 18:34:40,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:34:40,763 INFO L225 Difference]: With dead ends: 636 [2020-10-23 18:34:40,764 INFO L226 Difference]: Without dead ends: 332 [2020-10-23 18:34:40,774 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-23 18:34:40,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2020-10-23 18:34:40,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 325. [2020-10-23 18:34:40,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2020-10-23 18:34:40,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 461 transitions. [2020-10-23 18:34:40,873 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 461 transitions. Word has length 139 [2020-10-23 18:34:40,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:34:40,874 INFO L481 AbstractCegarLoop]: Abstraction has 325 states and 461 transitions. [2020-10-23 18:34:40,874 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-23 18:34:40,875 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 461 transitions. [2020-10-23 18:34:40,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-23 18:34:40,881 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:34:40,882 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:34:40,883 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 18:34:40,883 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:34:40,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:34:40,884 INFO L82 PathProgramCache]: Analyzing trace with hash -1003762324, now seen corresponding path program 1 times [2020-10-23 18:34:40,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:34:40,885 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830040685] [2020-10-23 18:34:40,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:34:40,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:41,278 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-23 18:34:41,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:34:41,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:41,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:34:41,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:41,507 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:34:41,508 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830040685] [2020-10-23 18:34:41,509 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:34:41,509 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-23 18:34:41,512 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970865691] [2020-10-23 18:34:41,516 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-23 18:34:41,517 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:34:41,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-23 18:34:41,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-23 18:34:41,527 INFO L87 Difference]: Start difference. First operand 325 states and 461 transitions. Second operand 8 states. [2020-10-23 18:34:41,754 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-23 18:34:42,030 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-23 18:34:44,464 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-23 18:34:46,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:34:46,035 INFO L93 Difference]: Finished difference Result 1260 states and 1841 transitions. [2020-10-23 18:34:46,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-23 18:34:46,041 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 161 [2020-10-23 18:34:46,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:34:46,063 INFO L225 Difference]: With dead ends: 1260 [2020-10-23 18:34:46,063 INFO L226 Difference]: Without dead ends: 941 [2020-10-23 18:34:46,067 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-10-23 18:34:46,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 941 states. [2020-10-23 18:34:46,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 941 to 927. [2020-10-23 18:34:46,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 927 states. [2020-10-23 18:34:46,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 927 states and 1227 transitions. [2020-10-23 18:34:46,169 INFO L78 Accepts]: Start accepts. Automaton has 927 states and 1227 transitions. Word has length 161 [2020-10-23 18:34:46,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:34:46,169 INFO L481 AbstractCegarLoop]: Abstraction has 927 states and 1227 transitions. [2020-10-23 18:34:46,171 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-23 18:34:46,171 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1227 transitions. [2020-10-23 18:34:46,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-23 18:34:46,194 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:34:46,195 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:34:46,195 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-23 18:34:46,196 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:34:46,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:34:46,199 INFO L82 PathProgramCache]: Analyzing trace with hash -187420095, now seen corresponding path program 1 times [2020-10-23 18:34:46,200 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:34:46,200 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693267400] [2020-10-23 18:34:46,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:34:46,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:46,528 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-23 18:34:46,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:34:46,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:46,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:34:46,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:46,682 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:34:46,683 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693267400] [2020-10-23 18:34:46,684 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:34:46,685 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-23 18:34:46,685 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082991184] [2020-10-23 18:34:46,687 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-23 18:34:46,687 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:34:46,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-23 18:34:46,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-23 18:34:46,691 INFO L87 Difference]: Start difference. First operand 927 states and 1227 transitions. Second operand 8 states. [2020-10-23 18:34:46,840 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-23 18:34:48,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:34:48,488 INFO L93 Difference]: Finished difference Result 1733 states and 2347 transitions. [2020-10-23 18:34:48,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-23 18:34:48,489 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 162 [2020-10-23 18:34:48,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:34:48,500 INFO L225 Difference]: With dead ends: 1733 [2020-10-23 18:34:48,501 INFO L226 Difference]: Without dead ends: 812 [2020-10-23 18:34:48,505 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-23 18:34:48,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2020-10-23 18:34:48,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 772. [2020-10-23 18:34:48,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 772 states. [2020-10-23 18:34:48,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 772 states and 920 transitions. [2020-10-23 18:34:48,560 INFO L78 Accepts]: Start accepts. Automaton has 772 states and 920 transitions. Word has length 162 [2020-10-23 18:34:48,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:34:48,561 INFO L481 AbstractCegarLoop]: Abstraction has 772 states and 920 transitions. [2020-10-23 18:34:48,561 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-23 18:34:48,561 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 920 transitions. [2020-10-23 18:34:48,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-10-23 18:34:48,566 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:34:48,567 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:34:48,567 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-23 18:34:48,568 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:34:48,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:34:48,569 INFO L82 PathProgramCache]: Analyzing trace with hash 6179573, now seen corresponding path program 1 times [2020-10-23 18:34:48,569 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:34:48,569 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031970762] [2020-10-23 18:34:48,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:34:48,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:48,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:34:49,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:49,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:34:49,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:49,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-23 18:34:49,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:49,296 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-23 18:34:49,297 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031970762] [2020-10-23 18:34:49,298 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1553082814] [2020-10-23 18:34:49,299 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 18:34:49,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:49,511 INFO L263 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-23 18:34:49,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:34:49,819 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-23 18:34:49,820 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-23 18:34:49,821 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2020-10-23 18:34:49,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110110812] [2020-10-23 18:34:49,822 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 18:34:49,822 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:34:49,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 18:34:49,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-23 18:34:49,824 INFO L87 Difference]: Start difference. First operand 772 states and 920 transitions. Second operand 3 states. [2020-10-23 18:34:50,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:34:50,957 INFO L93 Difference]: Finished difference Result 2128 states and 2545 transitions. [2020-10-23 18:34:50,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 18:34:50,958 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 174 [2020-10-23 18:34:50,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:34:50,972 INFO L225 Difference]: With dead ends: 2128 [2020-10-23 18:34:50,972 INFO L226 Difference]: Without dead ends: 760 [2020-10-23 18:34:50,981 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-23 18:34:50,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2020-10-23 18:34:51,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 760. [2020-10-23 18:34:51,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 760 states. [2020-10-23 18:34:51,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 760 states and 879 transitions. [2020-10-23 18:34:51,039 INFO L78 Accepts]: Start accepts. Automaton has 760 states and 879 transitions. Word has length 174 [2020-10-23 18:34:51,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:34:51,039 INFO L481 AbstractCegarLoop]: Abstraction has 760 states and 879 transitions. [2020-10-23 18:34:51,040 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 18:34:51,040 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 879 transitions. [2020-10-23 18:34:51,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-10-23 18:34:51,044 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:34:51,045 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:34:51,258 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:34:51,259 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:34:51,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:34:51,261 INFO L82 PathProgramCache]: Analyzing trace with hash -908663319, now seen corresponding path program 1 times [2020-10-23 18:34:51,261 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:34:51,262 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870543393] [2020-10-23 18:34:51,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:34:51,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:51,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:34:51,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:51,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:34:51,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:51,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-23 18:34:51,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:51,643 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 42 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-23 18:34:51,644 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870543393] [2020-10-23 18:34:51,644 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1757302575] [2020-10-23 18:34:51,645 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 18:34:51,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:51,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:34:51,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:34:51,984 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 46 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:34:51,985 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-23 18:34:51,985 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2020-10-23 18:34:51,986 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639287682] [2020-10-23 18:34:51,987 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-23 18:34:51,987 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:34:51,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-23 18:34:51,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-10-23 18:34:51,989 INFO L87 Difference]: Start difference. First operand 760 states and 879 transitions. Second operand 11 states. [2020-10-23 18:34:52,155 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-23 18:34:52,551 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-23 18:34:52,775 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-23 18:34:53,135 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-23 18:34:54,835 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-23 18:34:55,015 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-23 18:34:55,722 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-23 18:34:56,276 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-23 18:34:57,094 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-23 18:34:58,019 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-23 18:34:59,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:34:59,013 INFO L93 Difference]: Finished difference Result 3028 states and 3606 transitions. [2020-10-23 18:34:59,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-10-23 18:34:59,015 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 184 [2020-10-23 18:34:59,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:34:59,037 INFO L225 Difference]: With dead ends: 3028 [2020-10-23 18:34:59,037 INFO L226 Difference]: Without dead ends: 1817 [2020-10-23 18:34:59,043 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 477 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=343, Invalid=1463, Unknown=0, NotChecked=0, Total=1806 [2020-10-23 18:34:59,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1817 states. [2020-10-23 18:34:59,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1817 to 1789. [2020-10-23 18:34:59,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1789 states. [2020-10-23 18:34:59,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1789 states to 1789 states and 1919 transitions. [2020-10-23 18:34:59,145 INFO L78 Accepts]: Start accepts. Automaton has 1789 states and 1919 transitions. Word has length 184 [2020-10-23 18:34:59,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:34:59,146 INFO L481 AbstractCegarLoop]: Abstraction has 1789 states and 1919 transitions. [2020-10-23 18:34:59,146 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-23 18:34:59,146 INFO L276 IsEmpty]: Start isEmpty. Operand 1789 states and 1919 transitions. [2020-10-23 18:34:59,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-10-23 18:34:59,154 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:34:59,154 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1] [2020-10-23 18:34:59,368 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:34:59,369 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:34:59,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:34:59,370 INFO L82 PathProgramCache]: Analyzing trace with hash 1439442191, now seen corresponding path program 1 times [2020-10-23 18:34:59,370 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:34:59,371 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830795556] [2020-10-23 18:34:59,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:34:59,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:59,639 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-23 18:34:59,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:34:59,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:59,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:34:59,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:59,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-23 18:34:59,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:59,851 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 92 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-23 18:34:59,851 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830795556] [2020-10-23 18:34:59,852 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [790991401] [2020-10-23 18:34:59,852 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 18:34:59,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:00,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 526 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:35:00,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:35:00,143 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 96 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:35:00,144 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-23 18:35:00,145 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5] total 12 [2020-10-23 18:35:00,145 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342383239] [2020-10-23 18:35:00,146 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-23 18:35:00,146 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:35:00,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-23 18:35:00,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-10-23 18:35:00,148 INFO L87 Difference]: Start difference. First operand 1789 states and 1919 transitions. Second operand 12 states. [2020-10-23 18:35:00,359 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-23 18:35:00,691 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-23 18:35:01,566 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-23 18:35:02,489 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-23 18:35:03,393 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-23 18:35:04,084 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-23 18:35:04,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:35:04,647 INFO L93 Difference]: Finished difference Result 3735 states and 4065 transitions. [2020-10-23 18:35:04,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-23 18:35:04,654 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 209 [2020-10-23 18:35:04,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:35:04,665 INFO L225 Difference]: With dead ends: 3735 [2020-10-23 18:35:04,666 INFO L226 Difference]: Without dead ends: 2096 [2020-10-23 18:35:04,671 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=191, Invalid=511, Unknown=0, NotChecked=0, Total=702 [2020-10-23 18:35:04,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2096 states. [2020-10-23 18:35:04,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2096 to 2087. [2020-10-23 18:35:04,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2087 states. [2020-10-23 18:35:04,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2087 states to 2087 states and 2244 transitions. [2020-10-23 18:35:04,755 INFO L78 Accepts]: Start accepts. Automaton has 2087 states and 2244 transitions. Word has length 209 [2020-10-23 18:35:04,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:35:04,756 INFO L481 AbstractCegarLoop]: Abstraction has 2087 states and 2244 transitions. [2020-10-23 18:35:04,756 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-23 18:35:04,756 INFO L276 IsEmpty]: Start isEmpty. Operand 2087 states and 2244 transitions. [2020-10-23 18:35:04,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2020-10-23 18:35:04,764 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:35:04,765 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:35:04,978 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:35:04,979 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:35:04,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:35:04,981 INFO L82 PathProgramCache]: Analyzing trace with hash -2046829744, now seen corresponding path program 1 times [2020-10-23 18:35:04,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:35:04,982 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603444134] [2020-10-23 18:35:04,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:35:05,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:05,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:35:05,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:05,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:35:05,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:05,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-23 18:35:05,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:05,374 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 85 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-10-23 18:35:05,376 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603444134] [2020-10-23 18:35:05,377 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2117417096] [2020-10-23 18:35:05,377 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 18:35:05,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:05,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:35:05,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:35:05,678 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2020-10-23 18:35:05,680 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-23 18:35:05,681 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-10-23 18:35:05,681 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907766686] [2020-10-23 18:35:05,682 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 18:35:05,683 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:35:05,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 18:35:05,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-23 18:35:05,684 INFO L87 Difference]: Start difference. First operand 2087 states and 2244 transitions. Second operand 3 states. [2020-10-23 18:35:06,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:35:06,080 INFO L93 Difference]: Finished difference Result 3726 states and 4016 transitions. [2020-10-23 18:35:06,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 18:35:06,081 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 232 [2020-10-23 18:35:06,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:35:06,083 INFO L225 Difference]: With dead ends: 3726 [2020-10-23 18:35:06,083 INFO L226 Difference]: Without dead ends: 0 [2020-10-23 18:35:06,090 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-23 18:35:06,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-23 18:35:06,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-23 18:35:06,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-23 18:35:06,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-23 18:35:06,092 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 232 [2020-10-23 18:35:06,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:35:06,092 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-23 18:35:06,092 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 18:35:06,092 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-23 18:35:06,092 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-23 18:35:06,307 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:35:06,311 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-23 18:35:06,678 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 124 [2020-10-23 18:35:06,977 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 31 [2020-10-23 18:35:08,199 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 141 DAG size of output: 44 [2020-10-23 18:35:08,696 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 43 [2020-10-23 18:35:09,118 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 43 [2020-10-23 18:35:09,336 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 31 [2020-10-23 18:35:09,342 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-23 18:35:09,342 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-23 18:35:09,343 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-23 18:35:09,343 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-23 18:35:09,343 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-23 18:35:09,343 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 18:35:09,343 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-23 18:35:09,343 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-10-23 18:35:09,344 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-10-23 18:35:09,344 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-10-23 18:35:09,344 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-10-23 18:35:09,344 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-10-23 18:35:09,344 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-10-23 18:35:09,344 INFO L274 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-10-23 18:35:09,344 INFO L274 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-10-23 18:35:09,344 INFO L274 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-10-23 18:35:09,344 INFO L274 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-10-23 18:35:09,344 INFO L274 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-10-23 18:35:09,344 INFO L274 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-10-23 18:35:09,345 INFO L274 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-10-23 18:35:09,345 INFO L274 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-10-23 18:35:09,345 INFO L274 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-10-23 18:35:09,345 INFO L274 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:09,345 INFO L274 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:09,345 INFO L274 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:09,345 INFO L274 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:09,345 INFO L274 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:09,345 INFO L274 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-10-23 18:35:09,345 INFO L274 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-10-23 18:35:09,345 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-10-23 18:35:09,345 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-10-23 18:35:09,345 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-10-23 18:35:09,346 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-10-23 18:35:09,346 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-10-23 18:35:09,346 INFO L274 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-10-23 18:35:09,346 INFO L274 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-10-23 18:35:09,346 INFO L274 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-10-23 18:35:09,346 INFO L274 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-10-23 18:35:09,346 INFO L274 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-10-23 18:35:09,346 INFO L274 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-10-23 18:35:09,347 INFO L274 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:09,347 INFO L274 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:09,347 INFO L274 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:09,347 INFO L274 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:09,347 INFO L274 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-10-23 18:35:09,347 INFO L274 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:09,347 INFO L274 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-10-23 18:35:09,348 INFO L270 CegarLoopResult]: At program point L570(line 570) the Hoare annotation is: (let ((.cse3 (not (<= 10 |old(~a28~0)|))) (.cse1 (not (= |old(~a19~0)| 1))) (.cse4 (not (<= 8 |old(~a17~0)|))) (.cse0 (not (<= |old(~a17~0)| 8))) (.cse2 (= 11 |old(~a28~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (<= |old(~a28~0)| 7)) .cse0 .cse4) (or .cse0 .cse4 .cse2 .cse3) (or .cse0 .cse4 (= |old(~a25~0)| 1) .cse2) (or .cse0 .cse1 .cse4) (or .cse0 .cse2 (not (= |old(~a11~0)| 1))))) [2020-10-23 18:35:09,348 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-10-23 18:35:09,348 INFO L274 CegarLoopResult]: For program point L570-1(line 570) no Hoare annotation was computed. [2020-10-23 18:35:09,348 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-10-23 18:35:09,348 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-10-23 18:35:09,348 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-10-23 18:35:09,348 INFO L274 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-10-23 18:35:09,349 INFO L274 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-10-23 18:35:09,349 INFO L274 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-10-23 18:35:09,349 INFO L274 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-10-23 18:35:09,349 INFO L274 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-10-23 18:35:09,349 INFO L274 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-10-23 18:35:09,349 INFO L274 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-10-23 18:35:09,349 INFO L274 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-10-23 18:35:09,349 INFO L274 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-10-23 18:35:09,349 INFO L274 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:09,349 INFO L274 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:09,350 INFO L274 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:09,350 INFO L274 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:09,350 INFO L274 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:09,350 INFO L274 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-10-23 18:35:09,350 INFO L274 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-10-23 18:35:09,350 INFO L274 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-10-23 18:35:09,350 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-10-23 18:35:09,350 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-10-23 18:35:09,350 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-10-23 18:35:09,350 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-10-23 18:35:09,351 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-10-23 18:35:09,351 INFO L274 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-10-23 18:35:09,351 INFO L274 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-10-23 18:35:09,351 INFO L274 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-10-23 18:35:09,351 INFO L274 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:09,351 INFO L274 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:09,351 INFO L274 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:09,351 INFO L274 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:09,351 INFO L274 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:09,352 INFO L274 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-10-23 18:35:09,352 INFO L274 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-10-23 18:35:09,352 INFO L274 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-10-23 18:35:09,352 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-10-23 18:35:09,352 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-10-23 18:35:09,352 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-10-23 18:35:09,352 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-10-23 18:35:09,352 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-10-23 18:35:09,353 INFO L274 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-10-23 18:35:09,353 INFO L274 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-10-23 18:35:09,353 INFO L274 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-10-23 18:35:09,353 INFO L274 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-10-23 18:35:09,353 INFO L274 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-10-23 18:35:09,353 INFO L274 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:09,353 INFO L274 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:09,353 INFO L274 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:09,353 INFO L274 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:09,353 INFO L274 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:09,353 INFO L274 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-10-23 18:35:09,354 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-10-23 18:35:09,354 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-10-23 18:35:09,354 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-10-23 18:35:09,354 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-23 18:35:09,354 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-10-23 18:35:09,354 INFO L274 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-10-23 18:35:09,354 INFO L274 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-10-23 18:35:09,354 INFO L274 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-10-23 18:35:09,354 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:09,354 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:09,354 INFO L274 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-10-23 18:35:09,355 INFO L274 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-10-23 18:35:09,355 INFO L274 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-10-23 18:35:09,355 INFO L274 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-10-23 18:35:09,355 INFO L274 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-10-23 18:35:09,355 INFO L274 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-10-23 18:35:09,355 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-10-23 18:35:09,355 INFO L274 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:09,355 INFO L274 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:09,355 INFO L274 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:09,355 INFO L274 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:09,355 INFO L274 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-10-23 18:35:09,355 INFO L274 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:09,356 INFO L274 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-10-23 18:35:09,356 INFO L274 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:09,356 INFO L274 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-10-23 18:35:09,356 INFO L274 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-10-23 18:35:09,356 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-10-23 18:35:09,356 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-10-23 18:35:09,356 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-10-23 18:35:09,356 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-10-23 18:35:09,356 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-10-23 18:35:09,356 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-23 18:35:09,356 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-10-23 18:35:09,356 INFO L274 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-10-23 18:35:09,356 INFO L274 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-10-23 18:35:09,356 INFO L274 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-10-23 18:35:09,356 INFO L274 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-10-23 18:35:09,357 INFO L274 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-10-23 18:35:09,357 INFO L274 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:09,357 INFO L274 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:09,357 INFO L274 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:09,357 INFO L274 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:09,357 INFO L274 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:09,357 INFO L274 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:09,357 INFO L274 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-10-23 18:35:09,357 INFO L274 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-10-23 18:35:09,357 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-10-23 18:35:09,357 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-10-23 18:35:09,357 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-10-23 18:35:09,357 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-10-23 18:35:09,357 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-10-23 18:35:09,357 INFO L274 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-10-23 18:35:09,358 INFO L274 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-10-23 18:35:09,358 INFO L274 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-10-23 18:35:09,358 INFO L274 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-10-23 18:35:09,358 INFO L274 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:09,358 INFO L274 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:09,358 INFO L274 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:09,358 INFO L274 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:09,358 INFO L274 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:09,358 INFO L274 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:09,358 INFO L274 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-10-23 18:35:09,358 INFO L274 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-10-23 18:35:09,358 INFO L274 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-10-23 18:35:09,358 INFO L274 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-23 18:35:09,359 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-10-23 18:35:09,359 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-10-23 18:35:09,359 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-10-23 18:35:09,359 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 31 600) the Hoare annotation is: (let ((.cse7 (= ~a28~0 |old(~a28~0)|)) (.cse8 (= ~a17~0 |old(~a17~0)|)) (.cse9 (= ~a11~0 |old(~a11~0)|)) (.cse10 (= ~a25~0 |old(~a25~0)|))) (let ((.cse3 (not (<= 10 |old(~a28~0)|))) (.cse1 (not (= |old(~a19~0)| 1))) (.cse4 (and .cse7 .cse8 .cse9 (= ~a19~0 1) .cse10)) (.cse0 (not (<= |old(~a17~0)| 8))) (.cse5 (not (<= 8 |old(~a17~0)|))) (.cse6 (and .cse7 .cse8 .cse9 .cse10 (= ~a19~0 |old(~a19~0)|))) (.cse2 (= 11 |old(~a28~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (<= |old(~a28~0)| 7)) .cse0 .cse5 .cse6) (or .cse0 .cse5 .cse6 .cse2 .cse3) (or .cse0 .cse6 .cse2 (not (= |old(~a11~0)| 1))) (or .cse0 .cse1 .cse5 .cse4) (or .cse0 .cse5 .cse6 (= |old(~a25~0)| 1) .cse2)))) [2020-10-23 18:35:09,359 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-10-23 18:35:09,360 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-10-23 18:35:09,360 INFO L274 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-10-23 18:35:09,360 INFO L274 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-10-23 18:35:09,360 INFO L274 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-10-23 18:35:09,360 INFO L274 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-10-23 18:35:09,360 INFO L274 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-10-23 18:35:09,360 INFO L274 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:09,360 INFO L274 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:09,360 INFO L274 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:09,361 INFO L274 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:09,361 INFO L274 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:09,361 INFO L274 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:09,361 INFO L274 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-10-23 18:35:09,361 INFO L274 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-10-23 18:35:09,361 INFO L274 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-10-23 18:35:09,361 INFO L274 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-10-23 18:35:09,361 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-10-23 18:35:09,362 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-10-23 18:35:09,362 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-10-23 18:35:09,362 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-10-23 18:35:09,362 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-10-23 18:35:09,362 INFO L274 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-10-23 18:35:09,362 INFO L274 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-10-23 18:35:09,362 INFO L274 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-10-23 18:35:09,362 INFO L274 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-10-23 18:35:09,362 INFO L274 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:09,362 INFO L274 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:09,362 INFO L274 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:09,363 INFO L274 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:09,363 INFO L274 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:09,363 INFO L274 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:09,363 INFO L274 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-10-23 18:35:09,363 INFO L274 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-10-23 18:35:09,363 INFO L274 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-10-23 18:35:09,363 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-10-23 18:35:09,363 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-10-23 18:35:09,363 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-10-23 18:35:09,363 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-10-23 18:35:09,364 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-10-23 18:35:09,364 INFO L274 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-10-23 18:35:09,364 INFO L274 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-10-23 18:35:09,364 INFO L274 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-10-23 18:35:09,364 INFO L274 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-10-23 18:35:09,364 INFO L274 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-10-23 18:35:09,364 INFO L274 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-10-23 18:35:09,364 INFO L274 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-10-23 18:35:09,364 INFO L274 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-10-23 18:35:09,364 INFO L274 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:09,365 INFO L274 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:09,365 INFO L274 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:09,365 INFO L274 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:09,365 INFO L274 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:35:09,365 INFO L274 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-10-23 18:35:09,365 INFO L274 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-10-23 18:35:09,365 INFO L274 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-10-23 18:35:09,365 INFO L274 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-10-23 18:35:09,365 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-23 18:35:09,366 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a25~0 ~a11~0) (= ~a19~0 1) (<= 8 ~a17~0) (<= ~a28~0 7) (<= ~a17~0 8) (not (= ~a25~0 1))) [2020-10-23 18:35:09,366 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-23 18:35:09,366 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-23 18:35:09,366 INFO L270 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (let ((.cse4 (= ~a19~0 1)) (.cse3 (<= 10 ~a28~0)) (.cse0 (<= 8 ~a17~0)) (.cse1 (<= ~a17~0 8)) (.cse2 (not (= ~a28~0 11)))) (or (and .cse0 .cse1 .cse2 (not (= ~a25~0 1))) (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (not (= |old(~a19~0)| 1)) (not (<= 8 |old(~a17~0)|)) (and .cse3 .cse4 .cse1 .cse2) (= |old(~a25~0)| 1) (and .cse4 .cse0 .cse1) (and .cse0 (<= ~a28~0 7) .cse1) (and .cse1 (= ~a11~0 1) .cse2) (and .cse3 .cse0 .cse1 .cse2) (not (= |old(~a11~0)| |old(~a25~0)|)))) [2020-10-23 18:35:09,366 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 602 619) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (not (= |old(~a19~0)| 1)) (not (<= 8 |old(~a17~0)|)) (and (= ~a28~0 |old(~a28~0)|) (= ~a25~0 ~a11~0) (= ~a17~0 |old(~a17~0)|) (= ~a19~0 1) (= ~a25~0 |old(~a25~0)|)) (= |old(~a25~0)| 1) (not (= |old(~a11~0)| |old(~a25~0)|))) [2020-10-23 18:35:09,366 INFO L274 CegarLoopResult]: For program point L608-3(lines 602 619) no Hoare annotation was computed. [2020-10-23 18:35:09,367 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 602 619) no Hoare annotation was computed. [2020-10-23 18:35:09,367 INFO L270 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (let ((.cse4 (= ~a19~0 1)) (.cse3 (<= 10 ~a28~0)) (.cse0 (<= 8 ~a17~0)) (.cse1 (<= ~a17~0 8)) (.cse2 (not (= ~a28~0 11)))) (or (and .cse0 .cse1 .cse2 (not (= ~a25~0 1))) (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (not (= |old(~a19~0)| 1)) (not (<= 8 |old(~a17~0)|)) (and .cse3 .cse4 .cse1 .cse2) (= |old(~a25~0)| 1) (and .cse4 .cse0 .cse1) (and .cse0 (<= ~a28~0 7) .cse1) (and .cse1 (= ~a11~0 1) .cse2) (and .cse3 .cse0 .cse1 .cse2) (not (= |old(~a11~0)| |old(~a25~0)|)))) [2020-10-23 18:35:09,367 INFO L274 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-10-23 18:35:09,367 INFO L274 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-10-23 18:35:09,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 06:35:09 BoogieIcfgContainer [2020-10-23 18:35:09,417 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 18:35:09,419 INFO L168 Benchmark]: Toolchain (without parser) took 35879.32 ms. Allocated memory was 151.0 MB in the beginning and 385.9 MB in the end (delta: 234.9 MB). Free memory was 124.8 MB in the beginning and 229.7 MB in the end (delta: -105.0 MB). Peak memory consumption was 232.7 MB. Max. memory is 8.0 GB. [2020-10-23 18:35:09,420 INFO L168 Benchmark]: CDTParser took 0.43 ms. Allocated memory is still 151.0 MB. Free memory was 123.0 MB in the beginning and 122.9 MB in the end (delta: 77.5 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 18:35:09,426 INFO L168 Benchmark]: CACSL2BoogieTranslator took 963.67 ms. Allocated memory is still 151.0 MB. Free memory was 124.1 MB in the beginning and 131.3 MB in the end (delta: -7.3 MB). Peak memory consumption was 31.2 MB. Max. memory is 8.0 GB. [2020-10-23 18:35:09,430 INFO L168 Benchmark]: Boogie Preprocessor took 174.22 ms. Allocated memory is still 151.0 MB. Free memory was 131.3 MB in the beginning and 126.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-23 18:35:09,431 INFO L168 Benchmark]: RCFGBuilder took 1984.54 ms. Allocated memory is still 151.0 MB. Free memory was 126.6 MB in the beginning and 89.0 MB in the end (delta: 37.6 MB). Peak memory consumption was 66.5 MB. Max. memory is 8.0 GB. [2020-10-23 18:35:09,433 INFO L168 Benchmark]: TraceAbstraction took 32737.89 ms. Allocated memory was 151.0 MB in the beginning and 385.9 MB in the end (delta: 234.9 MB). Free memory was 88.5 MB in the beginning and 229.7 MB in the end (delta: -141.3 MB). Peak memory consumption was 194.8 MB. Max. memory is 8.0 GB. [2020-10-23 18:35:09,444 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 ms. Allocated memory is still 151.0 MB. Free memory was 123.0 MB in the beginning and 122.9 MB in the end (delta: 77.5 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 963.67 ms. Allocated memory is still 151.0 MB. Free memory was 124.1 MB in the beginning and 131.3 MB in the end (delta: -7.3 MB). Peak memory consumption was 31.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 174.22 ms. Allocated memory is still 151.0 MB. Free memory was 131.3 MB in the beginning and 126.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1984.54 ms. Allocated memory is still 151.0 MB. Free memory was 126.6 MB in the beginning and 89.0 MB in the end (delta: 37.6 MB). Peak memory consumption was 66.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 32737.89 ms. Allocated memory was 151.0 MB in the beginning and 385.9 MB in the end (delta: 234.9 MB). Free memory was 88.5 MB in the beginning and 229.7 MB in the end (delta: -141.3 MB). Peak memory consumption was 194.8 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: (((((((((((((8 <= a17 && a17 <= 8) && !(a28 == 11)) && !(a25 == 1)) || !(\old(a28) <= 7)) || !(\old(a17) <= 8)) || !(\old(a19) == 1)) || !(8 <= \old(a17))) || (((10 <= a28 && a19 == 1) && a17 <= 8) && !(a28 == 11))) || \old(a25) == 1) || ((a19 == 1 && 8 <= a17) && a17 <= 8)) || ((8 <= a17 && a28 <= 7) && a17 <= 8)) || ((a17 <= 8 && a11 == 1) && !(a28 == 11))) || (((10 <= a28 && 8 <= a17) && a17 <= 8) && !(a28 == 11))) || !(\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: 29.5s, OverallIterations: 7, TraceHistogramMax: 3, AutomataDifference: 22.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 452 SDtfs, 5299 SDslu, 378 SDs, 0 SdLazy, 6427 SolverSat, 1352 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 946 GetRequests, 845 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 630 ImplicationChecksByTransitivity, 5.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2087occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 7 MinimizatonAttempts, 98 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 137 PreInvPairs, 179 NumberOfFragments, 608 HoareAnnotationTreeSize, 137 FomulaSimplifications, 12334 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 9 FomulaSimplificationsInter, 3142 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 2060 NumberOfCodeBlocks, 2060 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2049 ConstructedInterpolants, 0 QuantifiedInterpolants, 1132121 SizeOfPredicates, 3 NumberOfNonLiveVariables, 2071 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 11 InterpolantComputations, 5 PerfectInterpolantSequences, 637/661 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...