/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/Problem11_label18.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-06 22:40:28,696 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-06 22:40:28,699 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-06 22:40:28,738 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-06 22:40:28,739 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-06 22:40:28,741 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-06 22:40:28,743 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-06 22:40:28,758 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-06 22:40:28,761 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-06 22:40:28,763 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-06 22:40:28,764 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-06 22:40:28,766 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2020-11-06 22:40:28,801 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-06 22:40:28,802 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-06 22:40:28,803 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-06 22:40:28,804 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 [2020-11-06 22:40:28,833 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-06 22:40:28,834 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-06 22:40:28,835 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-06 22:40:28,836 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-06 22:40:28,836 INFO L138 SettingsManager]: * Use SBE=true [2020-11-06 22:40:28,836 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-06 22:40:28,837 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-06 22:40:28,837 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-06 22:40:28,837 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-06 22:40:28,838 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-06 22:40:28,838 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-06 22:40:28,838 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-06 22:40:28,839 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-06 22:40:28,839 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-06 22:40:28,839 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-06 22:40:28,839 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-06 22:40:28,840 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-06 22:40:28,840 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-06 22:40:28,840 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-06 22:40:28,840 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-06 22:40:28,841 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-06 22:40:28,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 22:40:28,841 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-06 22:40:28,842 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-06 22:40:28,842 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-06 22:40:28,842 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-06 22:40:28,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-06 22:40:28,843 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-06 22:40:28,843 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-06 22:40:28,844 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-06 22:40:29,255 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-06 22:40:29,294 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-06 22:40:29,297 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-06 22:40:29,299 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-06 22:40:29,299 INFO L275 PluginConnector]: CDTParser initialized [2020-11-06 22:40:29,300 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label18.c [2020-11-06 22:40:29,391 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/851d41105/184f9e6677c54e5dbb3d3342d5751ca9/FLAG25c4a5084 [2020-11-06 22:40:30,306 INFO L306 CDTParser]: Found 1 translation units. [2020-11-06 22:40:30,307 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label18.c [2020-11-06 22:40:30,339 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/851d41105/184f9e6677c54e5dbb3d3342d5751ca9/FLAG25c4a5084 [2020-11-06 22:40:30,365 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/851d41105/184f9e6677c54e5dbb3d3342d5751ca9 [2020-11-06 22:40:30,368 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-06 22:40:30,376 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-06 22:40:30,378 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-06 22:40:30,378 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-06 22:40:30,382 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-06 22:40:30,383 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:40:30" (1/1) ... [2020-11-06 22:40:30,387 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58c3586d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:30, skipping insertion in model container [2020-11-06 22:40:30,387 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:40:30" (1/1) ... [2020-11-06 22:40:30,396 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-06 22:40:30,452 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-06 22:40:31,013 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:40:31,057 INFO L203 MainTranslator]: Completed pre-run [2020-11-06 22:40:31,446 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:40:31,469 INFO L208 MainTranslator]: Completed translation [2020-11-06 22:40:31,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:31 WrapperNode [2020-11-06 22:40:31,470 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-06 22:40:31,471 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-06 22:40:31,475 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-06 22:40:31,475 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-06 22:40:31,490 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:31" (1/1) ... [2020-11-06 22:40:31,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:31" (1/1) ... [2020-11-06 22:40:31,538 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:31" (1/1) ... [2020-11-06 22:40:31,538 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:31" (1/1) ... [2020-11-06 22:40:31,621 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:31" (1/1) ... [2020-11-06 22:40:31,636 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:31" (1/1) ... [2020-11-06 22:40:31,650 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:31" (1/1) ... [2020-11-06 22:40:31,669 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-06 22:40:31,671 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-06 22:40:31,671 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-06 22:40:31,671 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-06 22:40:31,672 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:31" (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 [2020-11-06 22:40:31,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-06 22:40:31,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-06 22:40:31,751 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-06 22:40:31,751 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-11-06 22:40:31,751 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-06 22:40:31,752 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-11-06 22:40:31,752 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-06 22:40:31,752 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-06 22:40:31,752 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-06 22:40:31,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-06 22:40:31,754 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-06 22:40:31,755 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-11-06 22:40:31,755 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-06 22:40:31,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-06 22:40:31,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-06 22:40:31,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-06 22:40:31,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-06 22:40:31,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-06 22:40:31,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-06 22:40:33,757 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-06 22:40:33,758 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-11-06 22:40:33,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:40:33 BoogieIcfgContainer [2020-11-06 22:40:33,761 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-06 22:40:33,762 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-06 22:40:33,763 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-06 22:40:33,766 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-06 22:40:33,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:40:30" (1/3) ... [2020-11-06 22:40:33,768 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3760defd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:40:33, skipping insertion in model container [2020-11-06 22:40:33,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:40:31" (2/3) ... [2020-11-06 22:40:33,768 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3760defd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:40:33, skipping insertion in model container [2020-11-06 22:40:33,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:40:33" (3/3) ... [2020-11-06 22:40:33,770 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem11_label18.c [2020-11-06 22:40:33,787 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-06 22:40:33,792 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-06 22:40:33,807 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-06 22:40:33,840 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-06 22:40:33,840 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-06 22:40:33,840 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-06 22:40:33,841 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-06 22:40:33,841 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-06 22:40:33,841 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-06 22:40:33,841 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-06 22:40:33,841 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-06 22:40:33,868 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states. [2020-11-06 22:40:33,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-06 22:40:33,878 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:40:33,879 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] [2020-11-06 22:40:33,879 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:40:33,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:40:33,887 INFO L82 PathProgramCache]: Analyzing trace with hash 559581990, now seen corresponding path program 1 times [2020-11-06 22:40:33,899 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:40:33,899 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966735729] [2020-11-06 22:40:33,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:40:34,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:40:34,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:40:34,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:40:34,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:40:34,377 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966735729] [2020-11-06 22:40:34,382 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:40:34,382 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-06 22:40:34,383 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807135405] [2020-11-06 22:40:34,391 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-06 22:40:34,391 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:40:34,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-06 22:40:34,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-06 22:40:34,415 INFO L87 Difference]: Start difference. First operand 296 states. Second operand 4 states. [2020-11-06 22:40:37,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:40:37,539 INFO L93 Difference]: Finished difference Result 796 states and 1392 transitions. [2020-11-06 22:40:37,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-06 22:40:37,541 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 41 [2020-11-06 22:40:37,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:40:37,559 INFO L225 Difference]: With dead ends: 796 [2020-11-06 22:40:37,559 INFO L226 Difference]: Without dead ends: 435 [2020-11-06 22:40:37,569 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-06 22:40:37,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2020-11-06 22:40:37,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 431. [2020-11-06 22:40:37,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 431 states. [2020-11-06 22:40:37,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 619 transitions. [2020-11-06 22:40:37,662 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 619 transitions. Word has length 41 [2020-11-06 22:40:37,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:40:37,662 INFO L481 AbstractCegarLoop]: Abstraction has 431 states and 619 transitions. [2020-11-06 22:40:37,663 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-06 22:40:37,663 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 619 transitions. [2020-11-06 22:40:37,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-11-06 22:40:37,668 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:40:37,669 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:40:37,669 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-06 22:40:37,669 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:40:37,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:40:37,670 INFO L82 PathProgramCache]: Analyzing trace with hash 794864363, now seen corresponding path program 1 times [2020-11-06 22:40:37,670 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:40:37,671 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159050900] [2020-11-06 22:40:37,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:40:37,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:40:37,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:40:38,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:40:38,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:40:38,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:40:38,247 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:40:38,247 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159050900] [2020-11-06 22:40:38,248 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:40:38,248 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-06 22:40:38,248 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770887202] [2020-11-06 22:40:38,250 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-06 22:40:38,250 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:40:38,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-06 22:40:38,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-06 22:40:38,252 INFO L87 Difference]: Start difference. First operand 431 states and 619 transitions. Second operand 8 states. [2020-11-06 22:40:43,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:40:43,055 INFO L93 Difference]: Finished difference Result 1666 states and 2473 transitions. [2020-11-06 22:40:43,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-06 22:40:43,056 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 113 [2020-11-06 22:40:43,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:40:43,068 INFO L225 Difference]: With dead ends: 1666 [2020-11-06 22:40:43,069 INFO L226 Difference]: Without dead ends: 1241 [2020-11-06 22:40:43,072 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2020-11-06 22:40:43,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1241 states. [2020-11-06 22:40:43,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1241 to 1209. [2020-11-06 22:40:43,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1209 states. [2020-11-06 22:40:43,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 1209 states and 1689 transitions. [2020-11-06 22:40:43,175 INFO L78 Accepts]: Start accepts. Automaton has 1209 states and 1689 transitions. Word has length 113 [2020-11-06 22:40:43,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:40:43,176 INFO L481 AbstractCegarLoop]: Abstraction has 1209 states and 1689 transitions. [2020-11-06 22:40:43,176 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-06 22:40:43,176 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 1689 transitions. [2020-11-06 22:40:43,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-11-06 22:40:43,183 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:40:43,183 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:40:43,183 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-06 22:40:43,184 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:40:43,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:40:43,188 INFO L82 PathProgramCache]: Analyzing trace with hash -1030668805, now seen corresponding path program 1 times [2020-11-06 22:40:43,188 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:40:43,188 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841119674] [2020-11-06 22:40:43,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:40:43,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:40:43,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:40:43,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:40:43,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:40:43,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:40:43,543 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:40:43,544 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841119674] [2020-11-06 22:40:43,544 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:40:43,544 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-06 22:40:43,545 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752955205] [2020-11-06 22:40:43,545 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-06 22:40:43,546 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:40:43,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-06 22:40:43,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-06 22:40:43,547 INFO L87 Difference]: Start difference. First operand 1209 states and 1689 transitions. Second operand 7 states. [2020-11-06 22:40:47,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:40:47,282 INFO L93 Difference]: Finished difference Result 3632 states and 5218 transitions. [2020-11-06 22:40:47,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-06 22:40:47,283 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 121 [2020-11-06 22:40:47,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:40:47,299 INFO L225 Difference]: With dead ends: 3632 [2020-11-06 22:40:47,300 INFO L226 Difference]: Without dead ends: 2429 [2020-11-06 22:40:47,304 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-11-06 22:40:47,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2429 states. [2020-11-06 22:40:47,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2429 to 2404. [2020-11-06 22:40:47,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2404 states. [2020-11-06 22:40:47,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2404 states to 2404 states and 3176 transitions. [2020-11-06 22:40:47,427 INFO L78 Accepts]: Start accepts. Automaton has 2404 states and 3176 transitions. Word has length 121 [2020-11-06 22:40:47,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:40:47,428 INFO L481 AbstractCegarLoop]: Abstraction has 2404 states and 3176 transitions. [2020-11-06 22:40:47,428 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-06 22:40:47,428 INFO L276 IsEmpty]: Start isEmpty. Operand 2404 states and 3176 transitions. [2020-11-06 22:40:47,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2020-11-06 22:40:47,436 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:40:47,437 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, 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] [2020-11-06 22:40:47,437 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-06 22:40:47,437 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:40:47,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:40:47,438 INFO L82 PathProgramCache]: Analyzing trace with hash -1380084630, now seen corresponding path program 1 times [2020-11-06 22:40:47,438 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:40:47,438 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833172018] [2020-11-06 22:40:47,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:40:47,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:40:47,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:40:47,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:40:47,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:40:47,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:40:47,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-11-06 22:40:47,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:40:47,850 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 133 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-06 22:40:47,850 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833172018] [2020-11-06 22:40:47,851 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1137943366] [2020-11-06 22:40:47,851 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 [2020-11-06 22:40:48,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:40:48,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-06 22:40:48,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:40:48,166 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 134 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:40:48,167 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:40:48,167 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 7 [2020-11-06 22:40:48,167 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204337311] [2020-11-06 22:40:48,168 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-06 22:40:48,168 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:40:48,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-06 22:40:48,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-06 22:40:48,170 INFO L87 Difference]: Start difference. First operand 2404 states and 3176 transitions. Second operand 7 states. [2020-11-06 22:40:51,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:40:51,210 INFO L93 Difference]: Finished difference Result 5665 states and 8036 transitions. [2020-11-06 22:40:51,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-06 22:40:51,211 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 184 [2020-11-06 22:40:51,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:40:51,240 INFO L225 Difference]: With dead ends: 5665 [2020-11-06 22:40:51,240 INFO L226 Difference]: Without dead ends: 3455 [2020-11-06 22:40:51,249 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-11-06 22:40:51,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3455 states. [2020-11-06 22:40:51,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3455 to 3390. [2020-11-06 22:40:51,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3390 states. [2020-11-06 22:40:51,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3390 states to 3390 states and 4349 transitions. [2020-11-06 22:40:51,451 INFO L78 Accepts]: Start accepts. Automaton has 3390 states and 4349 transitions. Word has length 184 [2020-11-06 22:40:51,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:40:51,453 INFO L481 AbstractCegarLoop]: Abstraction has 3390 states and 4349 transitions. [2020-11-06 22:40:51,453 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-06 22:40:51,453 INFO L276 IsEmpty]: Start isEmpty. Operand 3390 states and 4349 transitions. [2020-11-06 22:40:51,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-11-06 22:40:51,459 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:40:51,459 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, 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] [2020-11-06 22:40:51,673 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:40:51,674 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:40:51,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:40:51,674 INFO L82 PathProgramCache]: Analyzing trace with hash -1213283202, now seen corresponding path program 1 times [2020-11-06 22:40:51,675 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:40:51,675 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385922502] [2020-11-06 22:40:51,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:40:51,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:40:51,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:40:51,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:40:51,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:40:51,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:40:51,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-11-06 22:40:51,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:40:52,003 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 67 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-11-06 22:40:52,003 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385922502] [2020-11-06 22:40:52,004 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [999909239] [2020-11-06 22:40:52,004 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 [2020-11-06 22:40:52,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:40:52,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:40:52,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:40:52,287 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-11-06 22:40:52,288 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-06 22:40:52,288 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 5 [2020-11-06 22:40:52,289 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843592161] [2020-11-06 22:40:52,290 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-06 22:40:52,291 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:40:52,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-06 22:40:52,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-06 22:40:52,292 INFO L87 Difference]: Start difference. First operand 3390 states and 4349 transitions. Second operand 3 states. [2020-11-06 22:40:53,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:40:53,818 INFO L93 Difference]: Finished difference Result 8501 states and 11158 transitions. [2020-11-06 22:40:53,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-06 22:40:53,819 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 194 [2020-11-06 22:40:53,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:40:53,879 INFO L225 Difference]: With dead ends: 8501 [2020-11-06 22:40:53,879 INFO L226 Difference]: Without dead ends: 5305 [2020-11-06 22:40:53,889 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-06 22:40:53,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5305 states. [2020-11-06 22:40:54,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5305 to 5301. [2020-11-06 22:40:54,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5301 states. [2020-11-06 22:40:54,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5301 states to 5301 states and 6841 transitions. [2020-11-06 22:40:54,111 INFO L78 Accepts]: Start accepts. Automaton has 5301 states and 6841 transitions. Word has length 194 [2020-11-06 22:40:54,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:40:54,112 INFO L481 AbstractCegarLoop]: Abstraction has 5301 states and 6841 transitions. [2020-11-06 22:40:54,112 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-06 22:40:54,112 INFO L276 IsEmpty]: Start isEmpty. Operand 5301 states and 6841 transitions. [2020-11-06 22:40:54,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-11-06 22:40:54,120 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:40:54,120 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, 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] [2020-11-06 22:40:54,333 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:40:54,334 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:40:54,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:40:54,335 INFO L82 PathProgramCache]: Analyzing trace with hash 1233956440, now seen corresponding path program 1 times [2020-11-06 22:40:54,336 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:40:54,337 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063507607] [2020-11-06 22:40:54,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:40:54,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:40:54,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:40:54,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:40:54,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:40:54,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:40:54,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-11-06 22:40:54,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:40:54,755 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 137 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-06 22:40:54,755 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063507607] [2020-11-06 22:40:54,755 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1613780334] [2020-11-06 22:40:54,756 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 [2020-11-06 22:40:54,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:40:54,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 488 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-06 22:40:54,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:40:55,025 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-06 22:40:55,030 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-06 22:40:55,153 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-11-06 22:40:55,154 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-06 22:40:55,154 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2020-11-06 22:40:55,154 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043414528] [2020-11-06 22:40:55,155 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-06 22:40:55,155 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:40:55,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-06 22:40:55,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-11-06 22:40:55,156 INFO L87 Difference]: Start difference. First operand 5301 states and 6841 transitions. Second operand 5 states. [2020-11-06 22:40:57,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:40:57,091 INFO L93 Difference]: Finished difference Result 10669 states and 13896 transitions. [2020-11-06 22:40:57,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-06 22:40:57,092 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 216 [2020-11-06 22:40:57,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:40:57,124 INFO L225 Difference]: With dead ends: 10669 [2020-11-06 22:40:57,124 INFO L226 Difference]: Without dead ends: 5562 [2020-11-06 22:40:57,139 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-11-06 22:40:57,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5562 states. [2020-11-06 22:40:57,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5562 to 5527. [2020-11-06 22:40:57,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5527 states. [2020-11-06 22:40:57,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5527 states to 5527 states and 7135 transitions. [2020-11-06 22:40:57,326 INFO L78 Accepts]: Start accepts. Automaton has 5527 states and 7135 transitions. Word has length 216 [2020-11-06 22:40:57,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:40:57,326 INFO L481 AbstractCegarLoop]: Abstraction has 5527 states and 7135 transitions. [2020-11-06 22:40:57,326 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-06 22:40:57,326 INFO L276 IsEmpty]: Start isEmpty. Operand 5527 states and 7135 transitions. [2020-11-06 22:40:57,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2020-11-06 22:40:57,333 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:40:57,334 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-06 22:40:57,549 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:40:57,550 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:40:57,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:40:57,551 INFO L82 PathProgramCache]: Analyzing trace with hash 1494240226, now seen corresponding path program 1 times [2020-11-06 22:40:57,552 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:40:57,552 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730181183] [2020-11-06 22:40:57,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:40:57,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:40:57,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:40:57,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:40:57,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:40:57,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:40:57,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-06 22:40:57,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:40:57,970 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 67 proven. 2 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2020-11-06 22:40:57,971 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730181183] [2020-11-06 22:40:57,971 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1587207546] [2020-11-06 22:40:57,971 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 [2020-11-06 22:40:58,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:40:58,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 12 conjunts are in the unsatisfiable core [2020-11-06 22:40:58,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:40:58,246 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-06 22:40:58,493 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-06 22:40:58,541 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-06 22:40:58,672 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-11-06 22:40:58,857 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-06 22:40:58,882 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-06 22:40:59,022 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-06 22:40:59,193 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-06 22:40:59,226 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-06 22:40:59,400 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-06 22:40:59,404 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-06 22:40:59,406 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-06 22:40:59,407 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-06 22:40:59,425 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-06 22:40:59,430 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-06 22:40:59,435 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-06 22:40:59,444 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-06 22:40:59,450 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-06 22:40:59,482 INFO L721 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2020-11-06 22:40:59,524 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-06 22:40:59,538 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-06 22:40:59,551 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-06 22:40:59,646 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-06 22:40:59,659 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-06 22:40:59,688 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-06 22:40:59,749 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-06 22:40:59,762 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-06 22:40:59,868 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-06 22:40:59,879 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-06 22:40:59,894 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-06 22:41:00,004 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-06 22:41:00,015 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-06 22:41:00,042 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-06 22:41:00,095 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-06 22:41:00,106 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-06 22:41:00,189 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-06 22:41:00,190 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-06 22:41:00,191 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-06 22:41:00,194 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-06 22:41:00,201 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-06 22:41:00,206 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-06 22:41:00,212 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-06 22:41:00,217 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-06 22:41:00,245 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-11-06 22:41:00,256 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-06 22:41:00,268 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-06 22:41:00,334 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-06 22:41:00,345 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-06 22:41:00,370 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-06 22:41:00,425 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-06 22:41:00,436 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-06 22:41:00,509 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-11-06 22:41:00,510 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-06 22:41:00,511 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-06 22:41:00,515 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-06 22:41:00,520 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-06 22:41:00,527 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-06 22:41:00,537 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-06 22:41:00,543 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-06 22:41:00,593 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-11-06 22:41:00,612 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-06 22:41:00,657 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-11-06 22:41:00,771 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-06 22:41:00,791 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-06 22:41:00,832 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-06 22:41:00,923 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-11-06 22:41:00,941 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-11-06 22:41:01,186 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: variable got div captured [2020-11-06 22:41:01,186 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-06 22:41:01,186 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-11-06 22:41:01,187 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504724989] [2020-11-06 22:41:01,187 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-06 22:41:01,187 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:41:01,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-06 22:41:01,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-11-06 22:41:01,192 INFO L87 Difference]: Start difference. First operand 5527 states and 7135 transitions. Second operand 5 states. [2020-11-06 22:41:03,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:41:03,826 INFO L93 Difference]: Finished difference Result 6702 states and 8684 transitions. [2020-11-06 22:41:03,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-06 22:41:03,827 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 268 [2020-11-06 22:41:03,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:41:03,867 INFO L225 Difference]: With dead ends: 6702 [2020-11-06 22:41:03,867 INFO L226 Difference]: Without dead ends: 6699 [2020-11-06 22:41:03,872 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-11-06 22:41:03,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6699 states. [2020-11-06 22:41:04,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6699 to 6693. [2020-11-06 22:41:04,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6693 states. [2020-11-06 22:41:04,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6693 states to 6693 states and 8675 transitions. [2020-11-06 22:41:04,080 INFO L78 Accepts]: Start accepts. Automaton has 6693 states and 8675 transitions. Word has length 268 [2020-11-06 22:41:04,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:41:04,081 INFO L481 AbstractCegarLoop]: Abstraction has 6693 states and 8675 transitions. [2020-11-06 22:41:04,081 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-06 22:41:04,081 INFO L276 IsEmpty]: Start isEmpty. Operand 6693 states and 8675 transitions. [2020-11-06 22:41:04,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2020-11-06 22:41:04,091 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:41:04,093 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-06 22:41:04,306 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:41:04,306 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:41:04,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:41:04,307 INFO L82 PathProgramCache]: Analyzing trace with hash 627925089, now seen corresponding path program 1 times [2020-11-06 22:41:04,308 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:41:04,308 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606670277] [2020-11-06 22:41:04,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:41:04,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:04,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:41:04,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:04,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:41:04,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:04,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-06 22:41:04,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:04,788 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 67 proven. 2 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2020-11-06 22:41:04,789 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606670277] [2020-11-06 22:41:04,789 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1041832744] [2020-11-06 22:41:04,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:41:04,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:41:04,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-06 22:41:04,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:41:05,043 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 137 proven. 32 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-06 22:41:05,044 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:41:05,044 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7 [2020-11-06 22:41:05,044 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403198331] [2020-11-06 22:41:05,045 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-06 22:41:05,045 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:41:05,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-06 22:41:05,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-11-06 22:41:05,046 INFO L87 Difference]: Start difference. First operand 6693 states and 8675 transitions. Second operand 7 states. [2020-11-06 22:41:07,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:41:07,901 INFO L93 Difference]: Finished difference Result 13293 states and 18033 transitions. [2020-11-06 22:41:07,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-06 22:41:07,902 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 279 [2020-11-06 22:41:07,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:41:07,903 INFO L225 Difference]: With dead ends: 13293 [2020-11-06 22:41:07,903 INFO L226 Difference]: Without dead ends: 0 [2020-11-06 22:41:07,942 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-11-06 22:41:07,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-06 22:41:07,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-06 22:41:07,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-06 22:41:07,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-06 22:41:07,944 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 279 [2020-11-06 22:41:07,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:41:07,944 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-06 22:41:07,944 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-06 22:41:07,944 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-06 22:41:07,944 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-06 22:41:08,157 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:41:08,161 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-06 22:41:08,916 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 26 [2020-11-06 22:41:09,463 WARN L194 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 34 [2020-11-06 22:41:09,709 WARN L194 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2020-11-06 22:41:09,813 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 34 [2020-11-06 22:41:09,967 WARN L194 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 22 [2020-11-06 22:41:09,971 INFO L266 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-11-06 22:41:09,972 INFO L269 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-11-06 22:41:09,972 INFO L266 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-11-06 22:41:09,972 INFO L266 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-11-06 22:41:09,972 INFO L266 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:41:09,972 INFO L262 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~inputA~0 |old(~inputA~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a29~0 |old(~a29~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |old(#valid)| |#valid|) (= ~a3~0 |old(~a3~0)|) (= |old(#NULL.base)| |#NULL.base|) (= |#t~string5.base| |old(#t~string5.base)|) (= |old(#t~string6.offset)| |#t~string6.offset|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~inputB~0 |old(~inputB~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~a4~0 |old(~a4~0)|) (= |old(#t~string7.base)| |#t~string7.base|)) [2020-11-06 22:41:09,973 INFO L266 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:41:09,973 INFO L266 CegarLoopResult]: For program point L960(lines 960 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,973 INFO L266 CegarLoopResult]: For program point L696(lines 696 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,973 INFO L266 CegarLoopResult]: For program point L630(lines 630 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,973 INFO L266 CegarLoopResult]: For program point L895(lines 895 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,973 INFO L266 CegarLoopResult]: For program point L697(lines 697 707) no Hoare annotation was computed. [2020-11-06 22:41:09,973 INFO L266 CegarLoopResult]: For program point L697-2(lines 697 707) no Hoare annotation was computed. [2020-11-06 22:41:09,973 INFO L266 CegarLoopResult]: For program point L367(lines 367 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,974 INFO L266 CegarLoopResult]: For program point L301(lines 301 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,974 INFO L266 CegarLoopResult]: For program point L235(lines 235 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,974 INFO L266 CegarLoopResult]: For program point L169-1(lines 24 1028) no Hoare annotation was computed. [2020-11-06 22:41:09,974 INFO L266 CegarLoopResult]: For program point L103-1(lines 24 1028) no Hoare annotation was computed. [2020-11-06 22:41:09,974 INFO L266 CegarLoopResult]: For program point L37-1(lines 24 1028) no Hoare annotation was computed. [2020-11-06 22:41:09,974 INFO L266 CegarLoopResult]: For program point L170(line 170) no Hoare annotation was computed. [2020-11-06 22:41:09,974 INFO L266 CegarLoopResult]: For program point L104(line 104) no Hoare annotation was computed. [2020-11-06 22:41:09,974 INFO L266 CegarLoopResult]: For program point L38(line 38) no Hoare annotation was computed. [2020-11-06 22:41:09,974 INFO L266 CegarLoopResult]: For program point L568(lines 568 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,974 INFO L266 CegarLoopResult]: For program point L502(lines 502 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,975 INFO L266 CegarLoopResult]: For program point L172-1(lines 24 1028) no Hoare annotation was computed. [2020-11-06 22:41:09,975 INFO L266 CegarLoopResult]: For program point L106-1(lines 24 1028) no Hoare annotation was computed. [2020-11-06 22:41:09,975 INFO L266 CegarLoopResult]: For program point L40-1(lines 24 1028) no Hoare annotation was computed. [2020-11-06 22:41:09,975 INFO L266 CegarLoopResult]: For program point L965(lines 965 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,975 INFO L266 CegarLoopResult]: For program point L833(lines 833 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,975 INFO L266 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2020-11-06 22:41:09,975 INFO L266 CegarLoopResult]: For program point L107(line 107) no Hoare annotation was computed. [2020-11-06 22:41:09,975 INFO L266 CegarLoopResult]: For program point L41(line 41) no Hoare annotation was computed. [2020-11-06 22:41:09,975 INFO L266 CegarLoopResult]: For program point L900(lines 900 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,975 INFO L266 CegarLoopResult]: For program point L438(lines 438 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,976 INFO L266 CegarLoopResult]: For program point L372(lines 372 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,976 INFO L266 CegarLoopResult]: For program point L637(lines 637 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,976 INFO L266 CegarLoopResult]: For program point L307(lines 307 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,976 INFO L266 CegarLoopResult]: For program point L175-1(lines 24 1028) no Hoare annotation was computed. [2020-11-06 22:41:09,976 INFO L266 CegarLoopResult]: For program point L109-1(lines 24 1028) no Hoare annotation was computed. [2020-11-06 22:41:09,976 INFO L266 CegarLoopResult]: For program point L43-1(lines 24 1028) no Hoare annotation was computed. [2020-11-06 22:41:09,976 INFO L266 CegarLoopResult]: For program point L242(lines 242 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,976 INFO L266 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-11-06 22:41:09,977 INFO L262 CegarLoopResult]: At program point L110(line 110) the Hoare annotation is: (let ((.cse0 (not (= |old(~a4~0)| 1)))) (and (or .cse0 (not (<= |old(~a29~0)| 245))) (or .cse0 (not (<= 97 |old(~a23~0)|))) (or .cse0 (= 13 |old(~a25~0)|)) (not (<= |old(~a4~0)| 0)))) [2020-11-06 22:41:09,977 INFO L266 CegarLoopResult]: For program point L110-1(line 110) no Hoare annotation was computed. [2020-11-06 22:41:09,977 INFO L266 CegarLoopResult]: For program point L44(line 44) no Hoare annotation was computed. [2020-11-06 22:41:09,977 INFO L266 CegarLoopResult]: For program point L771(lines 771 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,977 INFO L266 CegarLoopResult]: For program point L838(lines 838 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,977 INFO L266 CegarLoopResult]: For program point L574(lines 574 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,977 INFO L266 CegarLoopResult]: For program point L178-1(lines 24 1028) no Hoare annotation was computed. [2020-11-06 22:41:09,978 INFO L266 CegarLoopResult]: For program point L112-1(lines 24 1028) no Hoare annotation was computed. [2020-11-06 22:41:09,978 INFO L266 CegarLoopResult]: For program point L46-1(lines 24 1028) no Hoare annotation was computed. [2020-11-06 22:41:09,978 INFO L266 CegarLoopResult]: For program point L971(lines 971 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,978 INFO L266 CegarLoopResult]: For program point L905(lines 905 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,978 INFO L266 CegarLoopResult]: For program point L509(lines 509 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,978 INFO L266 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-11-06 22:41:09,978 INFO L266 CegarLoopResult]: For program point L113(line 113) no Hoare annotation was computed. [2020-11-06 22:41:09,978 INFO L266 CegarLoopResult]: For program point L47(line 47) no Hoare annotation was computed. [2020-11-06 22:41:09,978 INFO L266 CegarLoopResult]: For program point L972(lines 972 982) no Hoare annotation was computed. [2020-11-06 22:41:09,979 INFO L266 CegarLoopResult]: For program point L906(lines 906 916) no Hoare annotation was computed. [2020-11-06 22:41:09,979 INFO L266 CegarLoopResult]: For program point L972-2(lines 972 982) no Hoare annotation was computed. [2020-11-06 22:41:09,979 INFO L266 CegarLoopResult]: For program point L906-2(lines 906 916) no Hoare annotation was computed. [2020-11-06 22:41:09,979 INFO L266 CegarLoopResult]: For program point L708(lines 708 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,979 INFO L266 CegarLoopResult]: For program point L312(lines 312 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,979 INFO L266 CegarLoopResult]: For program point L577(lines 577 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,979 INFO L266 CegarLoopResult]: For program point L445(lines 445 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,979 INFO L266 CegarLoopResult]: For program point L379(lines 379 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,979 INFO L266 CegarLoopResult]: For program point L181-1(lines 24 1028) no Hoare annotation was computed. [2020-11-06 22:41:09,980 INFO L266 CegarLoopResult]: For program point L115-1(lines 24 1028) no Hoare annotation was computed. [2020-11-06 22:41:09,980 INFO L266 CegarLoopResult]: For program point L49-1(lines 24 1028) no Hoare annotation was computed. [2020-11-06 22:41:09,980 INFO L266 CegarLoopResult]: For program point L776(lines 776 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,980 INFO L266 CegarLoopResult]: For program point L644(lines 644 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,980 INFO L266 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-11-06 22:41:09,980 INFO L266 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-11-06 22:41:09,980 INFO L266 CegarLoopResult]: For program point L50(line 50) no Hoare annotation was computed. [2020-11-06 22:41:09,980 INFO L266 CegarLoopResult]: For program point L843(lines 843 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,980 INFO L266 CegarLoopResult]: For program point L249(lines 249 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,981 INFO L266 CegarLoopResult]: For program point calculate_outputEXIT(lines 24 1028) no Hoare annotation was computed. [2020-11-06 22:41:09,981 INFO L266 CegarLoopResult]: For program point L184-1(lines 24 1028) no Hoare annotation was computed. [2020-11-06 22:41:09,981 INFO L266 CegarLoopResult]: For program point L118-1(lines 24 1028) no Hoare annotation was computed. [2020-11-06 22:41:09,981 INFO L266 CegarLoopResult]: For program point L52-1(lines 24 1028) no Hoare annotation was computed. [2020-11-06 22:41:09,981 INFO L266 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-11-06 22:41:09,981 INFO L266 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-11-06 22:41:09,981 INFO L266 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-11-06 22:41:09,981 INFO L266 CegarLoopResult]: For program point L714(lines 714 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,981 INFO L266 CegarLoopResult]: For program point L516(lines 516 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,982 INFO L266 CegarLoopResult]: For program point L649(lines 649 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,982 INFO L266 CegarLoopResult]: For program point L583(lines 583 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,982 INFO L266 CegarLoopResult]: For program point L517(lines 517 527) no Hoare annotation was computed. [2020-11-06 22:41:09,982 INFO L266 CegarLoopResult]: For program point L517-2(lines 517 527) no Hoare annotation was computed. [2020-11-06 22:41:09,982 INFO L266 CegarLoopResult]: For program point L319(lines 319 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,982 INFO L266 CegarLoopResult]: For program point L187-1(lines 24 1028) no Hoare annotation was computed. [2020-11-06 22:41:09,982 INFO L266 CegarLoopResult]: For program point L121-1(lines 24 1028) no Hoare annotation was computed. [2020-11-06 22:41:09,982 INFO L266 CegarLoopResult]: For program point L55-1(lines 24 1028) no Hoare annotation was computed. [2020-11-06 22:41:09,982 INFO L266 CegarLoopResult]: For program point L848(lines 848 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,983 INFO L266 CegarLoopResult]: For program point L782(lines 782 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,983 INFO L266 CegarLoopResult]: For program point L650(lines 650 659) no Hoare annotation was computed. [2020-11-06 22:41:09,983 INFO L266 CegarLoopResult]: For program point L650-2(lines 650 659) no Hoare annotation was computed. [2020-11-06 22:41:09,983 INFO L266 CegarLoopResult]: For program point L452(lines 452 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,983 INFO L266 CegarLoopResult]: For program point L386(lines 386 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,983 INFO L266 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-11-06 22:41:09,983 INFO L266 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-11-06 22:41:09,983 INFO L266 CegarLoopResult]: For program point L56(line 56) no Hoare annotation was computed. [2020-11-06 22:41:09,984 INFO L266 CegarLoopResult]: For program point L256(lines 256 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,984 INFO L266 CegarLoopResult]: For program point L190-1(lines 24 1028) no Hoare annotation was computed. [2020-11-06 22:41:09,984 INFO L266 CegarLoopResult]: For program point L124-1(lines 24 1028) no Hoare annotation was computed. [2020-11-06 22:41:09,984 INFO L266 CegarLoopResult]: For program point L58-1(lines 24 1028) no Hoare annotation was computed. [2020-11-06 22:41:09,984 INFO L266 CegarLoopResult]: For program point L983(lines 983 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,984 INFO L266 CegarLoopResult]: For program point L917(lines 917 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,984 INFO L266 CegarLoopResult]: For program point L719(lines 719 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,984 INFO L266 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-11-06 22:41:09,984 INFO L266 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-11-06 22:41:09,984 INFO L266 CegarLoopResult]: For program point L59(line 59) no Hoare annotation was computed. [2020-11-06 22:41:09,985 INFO L266 CegarLoopResult]: For program point L918(lines 918 928) no Hoare annotation was computed. [2020-11-06 22:41:09,985 INFO L266 CegarLoopResult]: For program point L918-2(lines 918 928) no Hoare annotation was computed. [2020-11-06 22:41:09,985 INFO L266 CegarLoopResult]: For program point L720(lines 720 732) no Hoare annotation was computed. [2020-11-06 22:41:09,985 INFO L266 CegarLoopResult]: For program point L720-2(lines 720 732) no Hoare annotation was computed. [2020-11-06 22:41:09,985 INFO L266 CegarLoopResult]: For program point L588(lines 588 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,985 INFO L262 CegarLoopResult]: At program point calculate_outputENTRY(lines 24 1028) the Hoare annotation is: (let ((.cse2 (= ~a25~0 |old(~a25~0)|)) (.cse3 (= ~a23~0 |old(~a23~0)|)) (.cse4 (= ~a29~0 |old(~a29~0)|))) (let ((.cse0 (not (= |old(~a4~0)| 1))) (.cse1 (and .cse2 .cse3 .cse4 (= ~a4~0 1)))) (and (or .cse0 .cse1 (not (<= 97 |old(~a23~0)|))) (or (and .cse2 .cse3 .cse4 (= ~a4~0 |old(~a4~0)|)) (not (<= |old(~a4~0)| 0))) (or .cse0 .cse1 (not (<= |old(~a29~0)| 245))) (or .cse0 .cse1 (= 13 |old(~a25~0)|))))) [2020-11-06 22:41:09,985 INFO L266 CegarLoopResult]: For program point L324(lines 324 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,985 INFO L266 CegarLoopResult]: For program point L589(lines 589 599) no Hoare annotation was computed. [2020-11-06 22:41:09,986 INFO L266 CegarLoopResult]: For program point L589-2(lines 589 599) no Hoare annotation was computed. [2020-11-06 22:41:09,986 INFO L266 CegarLoopResult]: For program point L193-1(lines 24 1028) no Hoare annotation was computed. [2020-11-06 22:41:09,986 INFO L266 CegarLoopResult]: For program point L127-1(lines 24 1028) no Hoare annotation was computed. [2020-11-06 22:41:09,986 INFO L266 CegarLoopResult]: For program point L61-1(lines 24 1028) no Hoare annotation was computed. [2020-11-06 22:41:09,986 INFO L266 CegarLoopResult]: For program point L854(lines 854 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,986 INFO L266 CegarLoopResult]: For program point L458(lines 458 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,986 INFO L266 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-11-06 22:41:09,986 INFO L266 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-11-06 22:41:09,986 INFO L266 CegarLoopResult]: For program point L62(line 62) no Hoare annotation was computed. [2020-11-06 22:41:09,986 INFO L266 CegarLoopResult]: For program point L789(lines 789 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,987 INFO L266 CegarLoopResult]: For program point L393(lines 393 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,987 INFO L266 CegarLoopResult]: For program point L262(lines 262 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,987 INFO L266 CegarLoopResult]: For program point L196-1(lines 24 1028) no Hoare annotation was computed. [2020-11-06 22:41:09,987 INFO L266 CegarLoopResult]: For program point L130-1(lines 24 1028) no Hoare annotation was computed. [2020-11-06 22:41:09,987 INFO L266 CegarLoopResult]: For program point L64-1(lines 24 1028) no Hoare annotation was computed. [2020-11-06 22:41:09,987 INFO L266 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-11-06 22:41:09,987 INFO L266 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-11-06 22:41:09,987 INFO L266 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-11-06 22:41:09,987 INFO L266 CegarLoopResult]: For program point L990(lines 990 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,987 INFO L266 CegarLoopResult]: For program point L660(lines 660 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,988 INFO L266 CegarLoopResult]: For program point L528(lines 528 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,988 INFO L266 CegarLoopResult]: For program point L331(lines 331 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,988 INFO L266 CegarLoopResult]: For program point L199-1(lines 24 1028) no Hoare annotation was computed. [2020-11-06 22:41:09,988 INFO L266 CegarLoopResult]: For program point L133-1(lines 24 1028) no Hoare annotation was computed. [2020-11-06 22:41:09,988 INFO L266 CegarLoopResult]: For program point L67-1(lines 24 1028) no Hoare annotation was computed. [2020-11-06 22:41:09,988 INFO L266 CegarLoopResult]: For program point L794(lines 794 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,988 INFO L266 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-11-06 22:41:09,988 INFO L266 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-11-06 22:41:09,988 INFO L266 CegarLoopResult]: For program point L68(line 68) no Hoare annotation was computed. [2020-11-06 22:41:09,988 INFO L266 CegarLoopResult]: For program point L861(lines 861 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,989 INFO L266 CegarLoopResult]: For program point L465(lines 465 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,989 INFO L266 CegarLoopResult]: For program point L267(lines 267 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,989 INFO L266 CegarLoopResult]: For program point L400(lines 400 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,989 INFO L266 CegarLoopResult]: For program point L202-1(lines 24 1028) no Hoare annotation was computed. [2020-11-06 22:41:09,989 INFO L266 CegarLoopResult]: For program point L136-1(lines 24 1028) no Hoare annotation was computed. [2020-11-06 22:41:09,989 INFO L266 CegarLoopResult]: For program point L70-1(lines 24 1028) no Hoare annotation was computed. [2020-11-06 22:41:09,989 INFO L266 CegarLoopResult]: For program point L995(lines 995 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,989 INFO L266 CegarLoopResult]: For program point L929(lines 929 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,989 INFO L266 CegarLoopResult]: For program point L665(lines 665 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,989 INFO L266 CegarLoopResult]: For program point L533(lines 533 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,990 INFO L266 CegarLoopResult]: For program point L401(lines 401 412) no Hoare annotation was computed. [2020-11-06 22:41:09,990 INFO L266 CegarLoopResult]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2020-11-06 22:41:09,990 INFO L266 CegarLoopResult]: For program point L203(line 203) no Hoare annotation was computed. [2020-11-06 22:41:09,990 INFO L266 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-11-06 22:41:09,990 INFO L266 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-11-06 22:41:09,990 INFO L266 CegarLoopResult]: For program point L600(lines 600 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,990 INFO L266 CegarLoopResult]: For program point L336(lines 336 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,990 INFO L266 CegarLoopResult]: For program point L270(lines 270 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,990 INFO L266 CegarLoopResult]: For program point L733(lines 733 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,990 INFO L266 CegarLoopResult]: For program point L205-1(lines 24 1028) no Hoare annotation was computed. [2020-11-06 22:41:09,990 INFO L266 CegarLoopResult]: For program point L139-1(lines 24 1028) no Hoare annotation was computed. [2020-11-06 22:41:09,991 INFO L266 CegarLoopResult]: For program point L73-1(lines 24 1028) no Hoare annotation was computed. [2020-11-06 22:41:09,991 INFO L266 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed. [2020-11-06 22:41:09,991 INFO L266 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-11-06 22:41:09,991 INFO L266 CegarLoopResult]: For program point L74(line 74) no Hoare annotation was computed. [2020-11-06 22:41:09,991 INFO L266 CegarLoopResult]: For program point L867(lines 867 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,991 INFO L266 CegarLoopResult]: For program point L801(lines 801 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,991 INFO L266 CegarLoopResult]: For program point L934(lines 934 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,991 INFO L266 CegarLoopResult]: For program point L868(lines 868 877) no Hoare annotation was computed. [2020-11-06 22:41:09,991 INFO L266 CegarLoopResult]: For program point L868-2(lines 868 877) no Hoare annotation was computed. [2020-11-06 22:41:09,992 INFO L266 CegarLoopResult]: For program point L472(lines 472 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,992 INFO L266 CegarLoopResult]: For program point L142-1(lines 24 1028) no Hoare annotation was computed. [2020-11-06 22:41:09,992 INFO L266 CegarLoopResult]: For program point L76-1(lines 24 1028) no Hoare annotation was computed. [2020-11-06 22:41:09,992 INFO L266 CegarLoopResult]: For program point L605(lines 605 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,992 INFO L266 CegarLoopResult]: For program point L539(lines 539 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,992 INFO L266 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-11-06 22:41:09,992 INFO L266 CegarLoopResult]: For program point L77(line 77) no Hoare annotation was computed. [2020-11-06 22:41:09,992 INFO L266 CegarLoopResult]: For program point L1002(lines 1002 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,992 INFO L266 CegarLoopResult]: For program point L672(lines 672 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,993 INFO L266 CegarLoopResult]: For program point L606(lines 606 616) no Hoare annotation was computed. [2020-11-06 22:41:09,993 INFO L266 CegarLoopResult]: For program point L606-2(lines 606 616) no Hoare annotation was computed. [2020-11-06 22:41:09,993 INFO L266 CegarLoopResult]: For program point L342(lines 342 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,993 INFO L266 CegarLoopResult]: For program point L277(lines 277 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,993 INFO L266 CegarLoopResult]: For program point L145-1(lines 24 1028) no Hoare annotation was computed. [2020-11-06 22:41:09,993 INFO L266 CegarLoopResult]: For program point L79-1(lines 24 1028) no Hoare annotation was computed. [2020-11-06 22:41:09,993 INFO L266 CegarLoopResult]: For program point L806(lines 806 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,993 INFO L266 CegarLoopResult]: For program point L740(lines 740 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,993 INFO L266 CegarLoopResult]: For program point L146(line 146) no Hoare annotation was computed. [2020-11-06 22:41:09,994 INFO L266 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-11-06 22:41:09,994 INFO L266 CegarLoopResult]: For program point L807(lines 807 817) no Hoare annotation was computed. [2020-11-06 22:41:09,994 INFO L266 CegarLoopResult]: For program point L807-2(lines 807 817) no Hoare annotation was computed. [2020-11-06 22:41:09,994 INFO L266 CegarLoopResult]: For program point L544(lines 544 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,994 INFO L266 CegarLoopResult]: For program point L148-1(lines 24 1028) no Hoare annotation was computed. [2020-11-06 22:41:09,994 INFO L266 CegarLoopResult]: For program point L82-1(lines 24 1028) no Hoare annotation was computed. [2020-11-06 22:41:09,994 INFO L266 CegarLoopResult]: For program point L1007(lines 1007 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,994 INFO L266 CegarLoopResult]: For program point L941(lines 941 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,994 INFO L266 CegarLoopResult]: For program point L677(lines 677 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,995 INFO L266 CegarLoopResult]: For program point L479(lines 479 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,995 INFO L266 CegarLoopResult]: For program point L413(lines 413 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,995 INFO L266 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-11-06 22:41:09,995 INFO L266 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-11-06 22:41:09,995 INFO L266 CegarLoopResult]: For program point L942(lines 942 954) no Hoare annotation was computed. [2020-11-06 22:41:09,995 INFO L266 CegarLoopResult]: For program point L942-2(lines 942 954) no Hoare annotation was computed. [2020-11-06 22:41:09,995 INFO L266 CegarLoopResult]: For program point L480(lines 480 488) no Hoare annotation was computed. [2020-11-06 22:41:09,995 INFO L266 CegarLoopResult]: For program point L480-2(lines 480 488) no Hoare annotation was computed. [2020-11-06 22:41:09,995 INFO L266 CegarLoopResult]: For program point L348(lines 348 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,996 INFO L266 CegarLoopResult]: For program point L282(lines 282 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,996 INFO L266 CegarLoopResult]: For program point L216(lines 216 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,996 INFO L266 CegarLoopResult]: For program point calculate_outputFINAL(lines 24 1028) no Hoare annotation was computed. [2020-11-06 22:41:09,996 INFO L266 CegarLoopResult]: For program point L745(lines 745 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,996 INFO L266 CegarLoopResult]: For program point L151-1(lines 24 1028) no Hoare annotation was computed. [2020-11-06 22:41:09,996 INFO L266 CegarLoopResult]: For program point L85-1(lines 24 1028) no Hoare annotation was computed. [2020-11-06 22:41:09,996 INFO L266 CegarLoopResult]: For program point L878(lines 878 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,996 INFO L266 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-11-06 22:41:09,996 INFO L266 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-11-06 22:41:09,997 INFO L266 CegarLoopResult]: For program point L154-1(lines 24 1028) no Hoare annotation was computed. [2020-11-06 22:41:09,997 INFO L266 CegarLoopResult]: For program point L88-1(lines 24 1028) no Hoare annotation was computed. [2020-11-06 22:41:09,997 INFO L266 CegarLoopResult]: For program point L683(lines 683 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,997 INFO L266 CegarLoopResult]: For program point L617(lines 617 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,997 INFO L266 CegarLoopResult]: For program point L551(lines 551 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,997 INFO L266 CegarLoopResult]: For program point L419(lines 419 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,997 INFO L266 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-11-06 22:41:09,997 INFO L266 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-11-06 22:41:09,997 INFO L266 CegarLoopResult]: For program point L1014(lines 1014 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,997 INFO L266 CegarLoopResult]: For program point L883(lines 883 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,998 INFO L266 CegarLoopResult]: For program point L355(lines 355 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,998 INFO L266 CegarLoopResult]: For program point L289(lines 289 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,998 INFO L266 CegarLoopResult]: For program point L223(lines 223 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,998 INFO L266 CegarLoopResult]: For program point L157-1(lines 24 1028) no Hoare annotation was computed. [2020-11-06 22:41:09,998 INFO L266 CegarLoopResult]: For program point L91-1(lines 24 1028) no Hoare annotation was computed. [2020-11-06 22:41:09,998 INFO L266 CegarLoopResult]: For program point L25(lines 25 27) no Hoare annotation was computed. [2020-11-06 22:41:09,998 INFO L266 CegarLoopResult]: For program point L25-2(lines 24 1028) no Hoare annotation was computed. [2020-11-06 22:41:09,998 INFO L266 CegarLoopResult]: For program point L818(lines 818 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,998 INFO L266 CegarLoopResult]: For program point L752(lines 752 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,999 INFO L266 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-11-06 22:41:09,999 INFO L266 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-11-06 22:41:09,999 INFO L266 CegarLoopResult]: For program point L26(line 26) no Hoare annotation was computed. [2020-11-06 22:41:09,999 INFO L266 CegarLoopResult]: For program point L489(lines 489 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,999 INFO L266 CegarLoopResult]: For program point L490(lines 490 501) no Hoare annotation was computed. [2020-11-06 22:41:09,999 INFO L266 CegarLoopResult]: For program point L424(lines 424 1026) no Hoare annotation was computed. [2020-11-06 22:41:09,999 INFO L266 CegarLoopResult]: For program point L490-2(lines 490 501) no Hoare annotation was computed. [2020-11-06 22:41:09,999 INFO L266 CegarLoopResult]: For program point L160-1(lines 24 1028) no Hoare annotation was computed. [2020-11-06 22:41:09,999 INFO L266 CegarLoopResult]: For program point L94-1(lines 24 1028) no Hoare annotation was computed. [2020-11-06 22:41:09,999 INFO L266 CegarLoopResult]: For program point L28-1(lines 24 1028) no Hoare annotation was computed. [2020-11-06 22:41:10,000 INFO L266 CegarLoopResult]: For program point L1019(lines 1019 1026) no Hoare annotation was computed. [2020-11-06 22:41:10,000 INFO L266 CegarLoopResult]: For program point L623(lines 623 1026) no Hoare annotation was computed. [2020-11-06 22:41:10,000 INFO L266 CegarLoopResult]: For program point L557(lines 557 1026) no Hoare annotation was computed. [2020-11-06 22:41:10,000 INFO L266 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2020-11-06 22:41:10,000 INFO L266 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-11-06 22:41:10,000 INFO L266 CegarLoopResult]: For program point L29(line 29) no Hoare annotation was computed. [2020-11-06 22:41:10,000 INFO L266 CegarLoopResult]: For program point L888(lines 888 1026) no Hoare annotation was computed. [2020-11-06 22:41:10,000 INFO L266 CegarLoopResult]: For program point L690(lines 690 1026) no Hoare annotation was computed. [2020-11-06 22:41:10,001 INFO L266 CegarLoopResult]: For program point L360(lines 360 1026) no Hoare annotation was computed. [2020-11-06 22:41:10,001 INFO L266 CegarLoopResult]: For program point L955(lines 955 1026) no Hoare annotation was computed. [2020-11-06 22:41:10,001 INFO L266 CegarLoopResult]: For program point L229(lines 229 1026) no Hoare annotation was computed. [2020-11-06 22:41:10,001 INFO L266 CegarLoopResult]: For program point L163-1(lines 24 1028) no Hoare annotation was computed. [2020-11-06 22:41:10,001 INFO L266 CegarLoopResult]: For program point L97-1(lines 24 1028) no Hoare annotation was computed. [2020-11-06 22:41:10,001 INFO L266 CegarLoopResult]: For program point L31-1(lines 24 1028) no Hoare annotation was computed. [2020-11-06 22:41:10,001 INFO L266 CegarLoopResult]: For program point L824(lines 824 1026) no Hoare annotation was computed. [2020-11-06 22:41:10,001 INFO L266 CegarLoopResult]: For program point L296(lines 296 1026) no Hoare annotation was computed. [2020-11-06 22:41:10,001 INFO L266 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-11-06 22:41:10,002 INFO L266 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-11-06 22:41:10,002 INFO L266 CegarLoopResult]: For program point L32(line 32) no Hoare annotation was computed. [2020-11-06 22:41:10,002 INFO L266 CegarLoopResult]: For program point L759(lines 759 1026) no Hoare annotation was computed. [2020-11-06 22:41:10,002 INFO L266 CegarLoopResult]: For program point L760(lines 760 770) no Hoare annotation was computed. [2020-11-06 22:41:10,002 INFO L266 CegarLoopResult]: For program point L760-2(lines 760 770) no Hoare annotation was computed. [2020-11-06 22:41:10,002 INFO L266 CegarLoopResult]: For program point L166-1(lines 24 1028) no Hoare annotation was computed. [2020-11-06 22:41:10,002 INFO L266 CegarLoopResult]: For program point L100-1(lines 24 1028) no Hoare annotation was computed. [2020-11-06 22:41:10,002 INFO L266 CegarLoopResult]: For program point L34-1(lines 24 1028) no Hoare annotation was computed. [2020-11-06 22:41:10,002 INFO L266 CegarLoopResult]: For program point L827(lines 827 1026) no Hoare annotation was computed. [2020-11-06 22:41:10,002 INFO L266 CegarLoopResult]: For program point L563(lines 563 1026) no Hoare annotation was computed. [2020-11-06 22:41:10,003 INFO L266 CegarLoopResult]: For program point L431(lines 431 1026) no Hoare annotation was computed. [2020-11-06 22:41:10,003 INFO L266 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-11-06 22:41:10,003 INFO L266 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-11-06 22:41:10,003 INFO L266 CegarLoopResult]: For program point L35(line 35) no Hoare annotation was computed. [2020-11-06 22:41:10,003 INFO L266 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:41:10,003 INFO L262 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a25~0 10) (<= 312 ~a23~0) (<= ~a29~0 130) (= ~a4~0 1)) [2020-11-06 22:41:10,003 INFO L269 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-11-06 22:41:10,003 INFO L266 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:41:10,004 INFO L262 CegarLoopResult]: At program point mainENTRY(lines 1030 1046) the Hoare annotation is: (or (not (= |old(~a4~0)| 1)) (not (<= |old(~a25~0)| 10)) (and (= ~a25~0 |old(~a25~0)|) (= ~a23~0 |old(~a23~0)|) (= ~a29~0 |old(~a29~0)|) (= ~a4~0 1)) (not (<= |old(~a29~0)| 130)) (not (<= 312 |old(~a23~0)|))) [2020-11-06 22:41:10,004 INFO L266 CegarLoopResult]: For program point mainEXIT(lines 1030 1046) no Hoare annotation was computed. [2020-11-06 22:41:10,004 INFO L262 CegarLoopResult]: At program point L1044(line 1044) the Hoare annotation is: (let ((.cse0 (= ~a4~0 1))) (or (and (<= 97 ~a23~0) .cse0) (not (= |old(~a4~0)| 1)) (not (<= |old(~a25~0)| 10)) (<= ~a4~0 0) (and .cse0 (not (= ~a25~0 13))) (and (<= ~a29~0 245) .cse0) (not (<= 312 |old(~a23~0)|)) (not (<= |old(~a29~0)| 130)))) [2020-11-06 22:41:10,004 INFO L266 CegarLoopResult]: For program point L1044-1(line 1044) no Hoare annotation was computed. [2020-11-06 22:41:10,004 INFO L266 CegarLoopResult]: For program point L1041(line 1041) no Hoare annotation was computed. [2020-11-06 22:41:10,004 INFO L262 CegarLoopResult]: At program point L1036-2(lines 1036 1045) the Hoare annotation is: (let ((.cse0 (= ~a4~0 1))) (or (and (<= 97 ~a23~0) .cse0) (not (= |old(~a4~0)| 1)) (not (<= |old(~a25~0)| 10)) (<= ~a4~0 0) (and .cse0 (not (= ~a25~0 13))) (and (<= ~a29~0 245) .cse0) (not (<= 312 |old(~a23~0)|)) (not (<= |old(~a29~0)| 130)))) [2020-11-06 22:41:10,004 INFO L266 CegarLoopResult]: For program point L1036-3(lines 1030 1046) no Hoare annotation was computed. [2020-11-06 22:41:10,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:41:10 BoogieIcfgContainer [2020-11-06 22:41:10,026 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-06 22:41:10,027 INFO L168 Benchmark]: Toolchain (without parser) took 39656.31 ms. Allocated memory was 151.0 MB in the beginning and 576.7 MB in the end (delta: 425.7 MB). Free memory was 122.5 MB in the beginning and 276.1 MB in the end (delta: -153.7 MB). Peak memory consumption was 360.0 MB. Max. memory is 8.0 GB. [2020-11-06 22:41:10,028 INFO L168 Benchmark]: CDTParser took 1.51 ms. Allocated memory is still 151.0 MB. Free memory is still 122.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-06 22:41:10,029 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1092.56 ms. Allocated memory is still 151.0 MB. Free memory was 121.9 MB in the beginning and 113.5 MB in the end (delta: 8.4 MB). Peak memory consumption was 32.9 MB. Max. memory is 8.0 GB. [2020-11-06 22:41:10,030 INFO L168 Benchmark]: Boogie Preprocessor took 198.88 ms. Allocated memory is still 151.0 MB. Free memory was 113.5 MB in the beginning and 105.5 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2020-11-06 22:41:10,031 INFO L168 Benchmark]: RCFGBuilder took 2090.08 ms. Allocated memory was 151.0 MB in the beginning and 182.5 MB in the end (delta: 31.5 MB). Free memory was 105.5 MB in the beginning and 126.3 MB in the end (delta: -20.8 MB). Peak memory consumption was 76.9 MB. Max. memory is 8.0 GB. [2020-11-06 22:41:10,032 INFO L168 Benchmark]: TraceAbstraction took 36263.55 ms. Allocated memory was 182.5 MB in the beginning and 576.7 MB in the end (delta: 394.3 MB). Free memory was 125.8 MB in the beginning and 276.1 MB in the end (delta: -150.4 MB). Peak memory consumption was 330.9 MB. Max. memory is 8.0 GB. [2020-11-06 22:41:10,035 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.51 ms. Allocated memory is still 151.0 MB. Free memory is still 122.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1092.56 ms. Allocated memory is still 151.0 MB. Free memory was 121.9 MB in the beginning and 113.5 MB in the end (delta: 8.4 MB). Peak memory consumption was 32.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 198.88 ms. Allocated memory is still 151.0 MB. Free memory was 113.5 MB in the beginning and 105.5 MB in the end (delta: 8.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2090.08 ms. Allocated memory was 151.0 MB in the beginning and 182.5 MB in the end (delta: 31.5 MB). Free memory was 105.5 MB in the beginning and 126.3 MB in the end (delta: -20.8 MB). Peak memory consumption was 76.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 36263.55 ms. Allocated memory was 182.5 MB in the beginning and 576.7 MB in the end (delta: 394.3 MB). Free memory was 125.8 MB in the beginning and 276.1 MB in the end (delta: -150.4 MB). Peak memory consumption was 330.9 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: 1036]: Loop Invariant Derived loop invariant: (((((((97 <= a23 && a4 == 1) || !(\old(a4) == 1)) || !(\old(a25) <= 10)) || a4 <= 0) || (a4 == 1 && !(a25 == 13))) || (a29 <= 245 && a4 == 1)) || !(312 <= \old(a23))) || !(\old(a29) <= 130) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 296 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 34.3s, OverallIterations: 8, TraceHistogramMax: 3, AutomataDifference: 24.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 478 SDtfs, 5427 SDslu, 581 SDs, 0 SdLazy, 8753 SolverSat, 1888 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1203 GetRequests, 1141 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6693occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 171 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 320 PreInvPairs, 436 NumberOfFragments, 311 HoareAnnotationTreeSize, 320 FomulaSimplifications, 14658 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 9 FomulaSimplificationsInter, 3796 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 2289 NumberOfCodeBlocks, 2289 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2277 ConstructedInterpolants, 0 QuantifiedInterpolants, 1005303 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1960 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 12 InterpolantComputations, 5 PerfectInterpolantSequences, 1365/1409 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...