/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label22.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 18:33:49,191 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 18:33:49,195 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 18:33:49,252 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-10-23 18:33:49,351 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 18:33:49,352 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 18:33:49,353 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 18:33:49,354 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-23 18:33:49,417 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 18:33:49,417 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 18:33:49,421 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-23 18:33:49,422 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-23 18:33:49,422 INFO L138 SettingsManager]: * Use SBE=true [2020-10-23 18:33:49,422 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 18:33:49,422 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 18:33:49,423 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 18:33:49,423 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 18:33:49,423 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 18:33:49,424 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 18:33:49,425 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 18:33:49,425 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 18:33:49,425 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 18:33:49,425 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 18:33:49,425 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 18:33:49,426 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 18:33:49,426 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 18:33:49,426 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-23 18:33:49,426 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 18:33:49,427 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 18:33:49,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 18:33:49,427 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 18:33:49,427 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-23 18:33:49,428 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-23 18:33:49,428 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-23 18:33:49,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-23 18:33:49,428 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 18:33:49,428 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-23 18:33:49,429 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-10-23 18:33:49,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 18:33:49,888 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 18:33:49,892 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 18:33:49,893 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 18:33:49,894 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 18:33:49,895 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label22.c [2020-10-23 18:33:49,983 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03860ab77/5628778b81a34bc884e5319a5057b996/FLAG8d926fdd8 [2020-10-23 18:33:50,774 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 18:33:50,774 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label22.c [2020-10-23 18:33:50,788 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03860ab77/5628778b81a34bc884e5319a5057b996/FLAG8d926fdd8 [2020-10-23 18:33:50,993 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03860ab77/5628778b81a34bc884e5319a5057b996 [2020-10-23 18:33:50,997 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 18:33:51,007 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 18:33:51,013 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 18:33:51,013 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 18:33:51,018 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 18:33:51,019 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:33:50" (1/1) ... [2020-10-23 18:33:51,029 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46e23019 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:33:51, skipping insertion in model container [2020-10-23 18:33:51,029 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:33:50" (1/1) ... [2020-10-23 18:33:51,041 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 18:33:51,123 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 18:33:51,658 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:33:51,677 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 18:33:51,829 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:33:51,848 INFO L208 MainTranslator]: Completed translation [2020-10-23 18:33:51,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:33:51 WrapperNode [2020-10-23 18:33:51,849 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 18:33:51,850 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 18:33:51,850 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 18:33:51,850 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 18:33:51,864 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:33:51" (1/1) ... [2020-10-23 18:33:51,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:33:51" (1/1) ... [2020-10-23 18:33:51,887 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:33:51" (1/1) ... [2020-10-23 18:33:51,888 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:33:51" (1/1) ... [2020-10-23 18:33:51,937 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:33:51" (1/1) ... [2020-10-23 18:33:51,971 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:33:51" (1/1) ... [2020-10-23 18:33:51,977 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:33:51" (1/1) ... [2020-10-23 18:33:51,985 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 18:33:51,986 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 18:33:51,986 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 18:33:51,986 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 18:33:51,987 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:33:51" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 18:33:52,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 18:33:52,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 18:33:52,070 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 18:33:52,071 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-23 18:33:52,071 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 18:33:52,071 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-23 18:33:52,072 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 18:33:52,072 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 18:33:52,072 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 18:33:52,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 18:33:52,073 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 18:33:52,074 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-23 18:33:52,074 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 18:33:52,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 18:33:52,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 18:33:52,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 18:33:52,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 18:33:52,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 18:33:52,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 18:33:53,456 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 18:33:53,456 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-23 18:33:53,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:33:53 BoogieIcfgContainer [2020-10-23 18:33:53,459 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 18:33:53,461 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 18:33:53,461 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 18:33:53,465 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 18:33:53,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 06:33:50" (1/3) ... [2020-10-23 18:33:53,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d6880 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:33:53, skipping insertion in model container [2020-10-23 18:33:53,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:33:51" (2/3) ... [2020-10-23 18:33:53,467 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d6880 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:33:53, skipping insertion in model container [2020-10-23 18:33:53,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:33:53" (3/3) ... [2020-10-23 18:33:53,471 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label22.c [2020-10-23 18:33:53,492 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-23 18:33:53,498 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-23 18:33:53,513 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-23 18:33:53,546 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 18:33:53,546 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 18:33:53,546 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-23 18:33:53,547 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 18:33:53,547 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 18:33:53,547 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 18:33:53,547 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 18:33:53,547 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 18:33:53,588 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states. [2020-10-23 18:33:53,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-10-23 18:33:53,601 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:33:53,602 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:33:53,603 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:33:53,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:33:53,610 INFO L82 PathProgramCache]: Analyzing trace with hash 1932582693, now seen corresponding path program 1 times [2020-10-23 18:33:53,622 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:33:53,623 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419935309] [2020-10-23 18:33:53,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:33:53,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:54,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:33:54,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:54,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:33:54,430 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419935309] [2020-10-23 18:33:54,431 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:33:54,431 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-23 18:33:54,432 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113559501] [2020-10-23 18:33:54,438 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-23 18:33:54,439 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:33:54,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-23 18:33:54,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-23 18:33:54,458 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 5 states. [2020-10-23 18:33:57,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:33:57,490 INFO L93 Difference]: Finished difference Result 789 states and 1384 transitions. [2020-10-23 18:33:57,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-23 18:33:57,492 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 104 [2020-10-23 18:33:57,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:33:57,512 INFO L225 Difference]: With dead ends: 789 [2020-10-23 18:33:57,512 INFO L226 Difference]: Without dead ends: 481 [2020-10-23 18:33:57,522 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-23 18:33:57,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2020-10-23 18:33:57,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 474. [2020-10-23 18:33:57,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 474 states. [2020-10-23 18:33:57,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 646 transitions. [2020-10-23 18:33:57,620 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 646 transitions. Word has length 104 [2020-10-23 18:33:57,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:33:57,621 INFO L481 AbstractCegarLoop]: Abstraction has 474 states and 646 transitions. [2020-10-23 18:33:57,621 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-23 18:33:57,621 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 646 transitions. [2020-10-23 18:33:57,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-23 18:33:57,630 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:33:57,631 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:33:57,631 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 18:33:57,631 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:33:57,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:33:57,632 INFO L82 PathProgramCache]: Analyzing trace with hash 582918318, now seen corresponding path program 1 times [2020-10-23 18:33:57,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:33:57,633 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368240921] [2020-10-23 18:33:57,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:33:57,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:57,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:33:57,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:57,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:33:57,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:57,921 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:33:57,922 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368240921] [2020-10-23 18:33:57,922 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:33:57,922 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-23 18:33:57,923 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861546533] [2020-10-23 18:33:57,925 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-23 18:33:57,925 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:33:57,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-23 18:33:57,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-23 18:33:57,926 INFO L87 Difference]: Start difference. First operand 474 states and 646 transitions. Second operand 7 states. [2020-10-23 18:33:58,072 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-23 18:34:00,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:34:00,150 INFO L93 Difference]: Finished difference Result 1412 states and 1997 transitions. [2020-10-23 18:34:00,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-23 18:34:00,152 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 125 [2020-10-23 18:34:00,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:34:00,162 INFO L225 Difference]: With dead ends: 1412 [2020-10-23 18:34:00,162 INFO L226 Difference]: Without dead ends: 944 [2020-10-23 18:34:00,165 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-23 18:34:00,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 944 states. [2020-10-23 18:34:00,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 944 to 926. [2020-10-23 18:34:00,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 926 states. [2020-10-23 18:34:00,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 1228 transitions. [2020-10-23 18:34:00,267 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 1228 transitions. Word has length 125 [2020-10-23 18:34:00,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:34:00,268 INFO L481 AbstractCegarLoop]: Abstraction has 926 states and 1228 transitions. [2020-10-23 18:34:00,268 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-23 18:34:00,268 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1228 transitions. [2020-10-23 18:34:00,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-23 18:34:00,277 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:34:00,278 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:34:00,278 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-23 18:34:00,279 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:34:00,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:34:00,279 INFO L82 PathProgramCache]: Analyzing trace with hash -802694075, now seen corresponding path program 1 times [2020-10-23 18:34:00,280 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:34:00,280 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936718558] [2020-10-23 18:34:00,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:34:00,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:00,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:34:00,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:00,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:34:00,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:00,553 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:34:00,554 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936718558] [2020-10-23 18:34:00,554 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:34:00,554 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-23 18:34:00,555 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841716623] [2020-10-23 18:34:00,556 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-23 18:34:00,556 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:34:00,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-23 18:34:00,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-23 18:34:00,557 INFO L87 Difference]: Start difference. First operand 926 states and 1228 transitions. Second operand 7 states. [2020-10-23 18:34:02,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:34:02,987 INFO L93 Difference]: Finished difference Result 2814 states and 3926 transitions. [2020-10-23 18:34:02,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-23 18:34:02,989 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 141 [2020-10-23 18:34:02,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:34:03,006 INFO L225 Difference]: With dead ends: 2814 [2020-10-23 18:34:03,007 INFO L226 Difference]: Without dead ends: 1894 [2020-10-23 18:34:03,011 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-23 18:34:03,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1894 states. [2020-10-23 18:34:03,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1894 to 1855. [2020-10-23 18:34:03,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1855 states. [2020-10-23 18:34:03,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1855 states to 1855 states and 2450 transitions. [2020-10-23 18:34:03,102 INFO L78 Accepts]: Start accepts. Automaton has 1855 states and 2450 transitions. Word has length 141 [2020-10-23 18:34:03,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:34:03,103 INFO L481 AbstractCegarLoop]: Abstraction has 1855 states and 2450 transitions. [2020-10-23 18:34:03,103 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-23 18:34:03,103 INFO L276 IsEmpty]: Start isEmpty. Operand 1855 states and 2450 transitions. [2020-10-23 18:34:03,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-10-23 18:34:03,110 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:34:03,110 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:34:03,111 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-23 18:34:03,111 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:34:03,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:34:03,112 INFO L82 PathProgramCache]: Analyzing trace with hash -543526797, now seen corresponding path program 1 times [2020-10-23 18:34:03,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:34:03,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644414260] [2020-10-23 18:34:03,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:34:03,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:03,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:34:03,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:03,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:34:03,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:03,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-23 18:34:03,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:03,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-23 18:34:03,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:03,446 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 50 proven. 17 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-23 18:34:03,446 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644414260] [2020-10-23 18:34:03,446 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [319886914] [2020-10-23 18:34:03,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:34:03,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:03,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:34:03,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:34:03,798 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 58 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-23 18:34:03,798 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-23 18:34:03,799 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 10 [2020-10-23 18:34:03,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084805017] [2020-10-23 18:34:03,800 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-23 18:34:03,800 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:34:03,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-23 18:34:03,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-23 18:34:03,801 INFO L87 Difference]: Start difference. First operand 1855 states and 2450 transitions. Second operand 10 states. [2020-10-23 18:34:06,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:34:06,246 INFO L93 Difference]: Finished difference Result 4202 states and 5667 transitions. [2020-10-23 18:34:06,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-23 18:34:06,248 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 155 [2020-10-23 18:34:06,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:34:06,264 INFO L225 Difference]: With dead ends: 4202 [2020-10-23 18:34:06,265 INFO L226 Difference]: Without dead ends: 2353 [2020-10-23 18:34:06,271 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2020-10-23 18:34:06,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2353 states. [2020-10-23 18:34:06,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2353 to 2325. [2020-10-23 18:34:06,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2325 states. [2020-10-23 18:34:06,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2325 states to 2325 states and 3026 transitions. [2020-10-23 18:34:06,399 INFO L78 Accepts]: Start accepts. Automaton has 2325 states and 3026 transitions. Word has length 155 [2020-10-23 18:34:06,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:34:06,401 INFO L481 AbstractCegarLoop]: Abstraction has 2325 states and 3026 transitions. [2020-10-23 18:34:06,401 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-23 18:34:06,401 INFO L276 IsEmpty]: Start isEmpty. Operand 2325 states and 3026 transitions. [2020-10-23 18:34:06,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-10-23 18:34:06,411 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:34:06,411 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:34:06,624 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:34:06,625 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:34:06,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:34:06,625 INFO L82 PathProgramCache]: Analyzing trace with hash 2137814994, now seen corresponding path program 1 times [2020-10-23 18:34:06,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:34:06,626 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281542469] [2020-10-23 18:34:06,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:34:06,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:06,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:34:06,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:06,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:34:06,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:06,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-23 18:34:06,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:06,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-23 18:34:06,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:07,007 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 51 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-23 18:34:07,008 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281542469] [2020-10-23 18:34:07,008 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1228483454] [2020-10-23 18:34:07,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:34:07,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:07,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:34:07,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:34:07,390 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 63 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-23 18:34:07,390 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-23 18:34:07,390 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 12 [2020-10-23 18:34:07,391 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260817574] [2020-10-23 18:34:07,393 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-23 18:34:07,395 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:34:07,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-23 18:34:07,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-10-23 18:34:07,399 INFO L87 Difference]: Start difference. First operand 2325 states and 3026 transitions. Second operand 12 states. [2020-10-23 18:34:07,580 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-23 18:34:08,375 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-23 18:34:14,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:34:14,033 INFO L93 Difference]: Finished difference Result 7819 states and 10880 transitions. [2020-10-23 18:34:14,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-23 18:34:14,035 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 158 [2020-10-23 18:34:14,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:34:14,079 INFO L225 Difference]: With dead ends: 7819 [2020-10-23 18:34:14,079 INFO L226 Difference]: Without dead ends: 5500 [2020-10-23 18:34:14,090 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 238 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=263, Invalid=859, Unknown=0, NotChecked=0, Total=1122 [2020-10-23 18:34:14,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5500 states. [2020-10-23 18:34:14,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5500 to 4829. [2020-10-23 18:34:14,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4829 states. [2020-10-23 18:34:14,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4829 states to 4829 states and 5896 transitions. [2020-10-23 18:34:14,314 INFO L78 Accepts]: Start accepts. Automaton has 4829 states and 5896 transitions. Word has length 158 [2020-10-23 18:34:14,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:34:14,322 INFO L481 AbstractCegarLoop]: Abstraction has 4829 states and 5896 transitions. [2020-10-23 18:34:14,323 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-23 18:34:14,325 INFO L276 IsEmpty]: Start isEmpty. Operand 4829 states and 5896 transitions. [2020-10-23 18:34:14,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-23 18:34:14,339 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:34:14,340 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, 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] [2020-10-23 18:34:14,554 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:34:14,555 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:34:14,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:34:14,556 INFO L82 PathProgramCache]: Analyzing trace with hash 779631805, now seen corresponding path program 1 times [2020-10-23 18:34:14,557 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:34:14,557 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658833377] [2020-10-23 18:34:14,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:34:14,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:14,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:34:14,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:14,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:34:14,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:15,095 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 50 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:34:15,096 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658833377] [2020-10-23 18:34:15,096 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1548954080] [2020-10-23 18:34:15,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:34:15,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:15,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:34:15,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:34:15,329 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:34:15,329 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-23 18:34:15,329 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-10-23 18:34:15,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846068532] [2020-10-23 18:34:15,330 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 18:34:15,331 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:34:15,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 18:34:15,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-23 18:34:15,332 INFO L87 Difference]: Start difference. First operand 4829 states and 5896 transitions. Second operand 3 states. [2020-10-23 18:34:16,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:34:16,073 INFO L93 Difference]: Finished difference Result 9495 states and 11601 transitions. [2020-10-23 18:34:16,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 18:34:16,074 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 161 [2020-10-23 18:34:16,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:34:16,076 INFO L225 Difference]: With dead ends: 9495 [2020-10-23 18:34:16,077 INFO L226 Difference]: Without dead ends: 0 [2020-10-23 18:34:16,096 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-23 18:34:16,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-23 18:34:16,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-23 18:34:16,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-23 18:34:16,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-23 18:34:16,097 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 161 [2020-10-23 18:34:16,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:34:16,098 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-23 18:34:16,098 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 18:34:16,098 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-23 18:34:16,098 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-23 18:34:16,311 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:34:16,315 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-23 18:34:16,879 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 35 [2020-10-23 18:34:17,078 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 33 [2020-10-23 18:34:17,944 WARN L193 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 45 [2020-10-23 18:34:18,194 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 43 [2020-10-23 18:34:18,355 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 43 [2020-10-23 18:34:18,570 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 27 [2020-10-23 18:34:18,575 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-23 18:34:18,576 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-23 18:34:18,576 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-23 18:34:18,576 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-23 18:34:18,576 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-23 18:34:18,577 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~y~0 |old(~y~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a17~0 |old(~a17~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~z~0 |old(~z~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|)) [2020-10-23 18:34:18,577 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-23 18:34:18,577 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-10-23 18:34:18,577 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-10-23 18:34:18,577 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-10-23 18:34:18,577 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-10-23 18:34:18,577 INFO L270 CegarLoopResult]: At program point L465(line 465) the Hoare annotation is: (let ((.cse1 (not (<= |old(~a28~0)| 10))) (.cse0 (not (<= |old(~a17~0)| 8))) (.cse2 (not (<= 8 |old(~a17~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 (= |old(~a25~0)| 1) (not (<= 10 |old(~a28~0)|))) (or (= 8 |old(~a28~0)|) .cse0 .cse1 (not (= |old(~a11~0)| |old(~a25~0)|))) (or .cse0 (not (= |old(~a19~0)| 1)) .cse2))) [2020-10-23 18:34:18,578 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-10-23 18:34:18,578 INFO L274 CegarLoopResult]: For program point L465-1(line 465) no Hoare annotation was computed. [2020-10-23 18:34:18,578 INFO L274 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-10-23 18:34:18,578 INFO L274 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-10-23 18:34:18,578 INFO L274 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-10-23 18:34:18,578 INFO L274 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-10-23 18:34:18,578 INFO L274 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-10-23 18:34:18,578 INFO L274 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-10-23 18:34:18,579 INFO L274 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-10-23 18:34:18,579 INFO L274 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-10-23 18:34:18,579 INFO L274 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-10-23 18:34:18,579 INFO L274 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:18,579 INFO L274 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:18,579 INFO L274 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:18,579 INFO L274 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:18,579 INFO L274 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:18,580 INFO L274 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-10-23 18:34:18,580 INFO L274 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-10-23 18:34:18,580 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-10-23 18:34:18,580 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-10-23 18:34:18,580 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-10-23 18:34:18,580 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-10-23 18:34:18,580 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-10-23 18:34:18,580 INFO L274 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-10-23 18:34:18,580 INFO L274 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-10-23 18:34:18,581 INFO L274 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-10-23 18:34:18,581 INFO L274 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-10-23 18:34:18,581 INFO L274 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-10-23 18:34:18,581 INFO L274 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-10-23 18:34:18,581 INFO L274 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:18,581 INFO L274 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:18,581 INFO L274 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:18,581 INFO L274 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:18,581 INFO L274 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-10-23 18:34:18,582 INFO L274 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:18,582 INFO L274 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-10-23 18:34:18,582 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-10-23 18:34:18,582 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-10-23 18:34:18,582 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-10-23 18:34:18,582 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-10-23 18:34:18,582 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-10-23 18:34:18,582 INFO L274 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-10-23 18:34:18,582 INFO L274 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-10-23 18:34:18,583 INFO L274 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-10-23 18:34:18,583 INFO L274 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-10-23 18:34:18,583 INFO L274 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-10-23 18:34:18,583 INFO L274 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-10-23 18:34:18,583 INFO L274 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-10-23 18:34:18,583 INFO L274 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-10-23 18:34:18,583 INFO L274 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-10-23 18:34:18,583 INFO L274 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:18,583 INFO L274 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:18,584 INFO L274 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:18,584 INFO L274 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:18,584 INFO L274 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:18,584 INFO L274 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-10-23 18:34:18,584 INFO L274 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-10-23 18:34:18,584 INFO L274 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-10-23 18:34:18,584 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-10-23 18:34:18,584 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-10-23 18:34:18,584 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-10-23 18:34:18,584 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-10-23 18:34:18,585 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-10-23 18:34:18,585 INFO L274 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-10-23 18:34:18,585 INFO L274 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-10-23 18:34:18,585 INFO L274 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-10-23 18:34:18,585 INFO L274 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:18,585 INFO L274 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:18,585 INFO L274 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:18,585 INFO L274 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:18,585 INFO L274 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:18,586 INFO L274 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-10-23 18:34:18,586 INFO L274 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-10-23 18:34:18,586 INFO L274 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-10-23 18:34:18,586 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-10-23 18:34:18,586 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-10-23 18:34:18,586 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-10-23 18:34:18,586 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-10-23 18:34:18,586 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-10-23 18:34:18,586 INFO L274 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-10-23 18:34:18,587 INFO L274 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-10-23 18:34:18,587 INFO L274 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-10-23 18:34:18,587 INFO L274 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-10-23 18:34:18,587 INFO L274 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-10-23 18:34:18,587 INFO L274 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:18,587 INFO L274 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:18,587 INFO L274 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:18,587 INFO L274 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:18,587 INFO L274 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:18,587 INFO L274 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-10-23 18:34:18,587 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-10-23 18:34:18,588 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-10-23 18:34:18,588 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-10-23 18:34:18,588 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-23 18:34:18,588 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-10-23 18:34:18,588 INFO L274 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-10-23 18:34:18,588 INFO L274 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-10-23 18:34:18,588 INFO L274 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-10-23 18:34:18,588 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:18,588 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:18,589 INFO L274 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-10-23 18:34:18,589 INFO L274 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-10-23 18:34:18,589 INFO L274 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-10-23 18:34:18,589 INFO L274 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-10-23 18:34:18,589 INFO L274 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-10-23 18:34:18,589 INFO L274 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-10-23 18:34:18,589 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-10-23 18:34:18,589 INFO L274 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:18,589 INFO L274 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:18,589 INFO L274 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:18,590 INFO L274 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:18,590 INFO L274 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-10-23 18:34:18,590 INFO L274 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:18,590 INFO L274 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-10-23 18:34:18,590 INFO L274 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:18,590 INFO L274 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-10-23 18:34:18,590 INFO L274 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-10-23 18:34:18,590 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-10-23 18:34:18,590 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-10-23 18:34:18,591 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-10-23 18:34:18,591 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-10-23 18:34:18,591 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-10-23 18:34:18,591 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-23 18:34:18,591 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-10-23 18:34:18,591 INFO L274 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-10-23 18:34:18,591 INFO L274 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-10-23 18:34:18,591 INFO L274 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-10-23 18:34:18,591 INFO L274 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-10-23 18:34:18,591 INFO L274 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-10-23 18:34:18,592 INFO L274 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:18,592 INFO L274 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:18,592 INFO L274 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:18,592 INFO L274 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:18,592 INFO L274 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:18,592 INFO L274 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:18,592 INFO L274 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-10-23 18:34:18,592 INFO L274 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-10-23 18:34:18,592 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-10-23 18:34:18,593 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-10-23 18:34:18,593 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-10-23 18:34:18,593 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-10-23 18:34:18,593 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-10-23 18:34:18,593 INFO L274 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-10-23 18:34:18,593 INFO L274 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-10-23 18:34:18,593 INFO L274 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-10-23 18:34:18,593 INFO L274 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-10-23 18:34:18,593 INFO L274 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:18,593 INFO L274 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:18,593 INFO L274 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:18,594 INFO L274 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:18,594 INFO L274 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:18,594 INFO L274 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:18,594 INFO L274 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-10-23 18:34:18,594 INFO L274 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-10-23 18:34:18,594 INFO L274 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-10-23 18:34:18,594 INFO L274 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-23 18:34:18,594 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-10-23 18:34:18,594 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-10-23 18:34:18,594 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-10-23 18:34:18,595 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 31 600) the Hoare annotation is: (let ((.cse1 (not (<= |old(~a28~0)| 10))) (.cse5 (= ~a19~0 |old(~a19~0)|)) (.cse0 (not (<= |old(~a17~0)| 8))) (.cse7 (not (<= 8 |old(~a17~0)|))) (.cse6 (= ~a28~0 |old(~a28~0)|)) (.cse2 (= ~a17~0 |old(~a17~0)|)) (.cse3 (= ~a11~0 |old(~a11~0)|)) (.cse4 (= ~a25~0 |old(~a25~0)|))) (and (or .cse0 .cse1 (= |old(~a25~0)| 1) (and .cse2 .cse3 (<= 10 ~a28~0) .cse4 (<= ~a28~0 10) .cse5) (not (<= 10 |old(~a28~0)|))) (or (= 8 |old(~a28~0)|) .cse0 .cse1 (and .cse6 (= ~a25~0 ~a11~0) .cse2 .cse4 .cse5) (not (= |old(~a11~0)| |old(~a25~0)|))) (or .cse0 .cse1 .cse7 (and .cse6 .cse2 .cse3 .cse4 .cse5)) (or .cse0 (not (= |old(~a19~0)| 1)) .cse7 (and .cse6 .cse2 .cse3 (= ~a19~0 1) .cse4)))) [2020-10-23 18:34:18,595 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-10-23 18:34:18,595 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-10-23 18:34:18,595 INFO L274 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-10-23 18:34:18,595 INFO L274 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-10-23 18:34:18,595 INFO L274 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-10-23 18:34:18,595 INFO L274 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-10-23 18:34:18,595 INFO L274 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-10-23 18:34:18,595 INFO L274 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:18,596 INFO L274 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:18,596 INFO L274 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:18,596 INFO L274 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:18,596 INFO L274 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:18,596 INFO L274 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:18,596 INFO L274 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-10-23 18:34:18,596 INFO L274 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-10-23 18:34:18,596 INFO L274 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-10-23 18:34:18,596 INFO L274 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-10-23 18:34:18,597 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-10-23 18:34:18,597 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-10-23 18:34:18,597 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-10-23 18:34:18,597 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-10-23 18:34:18,597 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-10-23 18:34:18,597 INFO L274 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-10-23 18:34:18,597 INFO L274 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-10-23 18:34:18,597 INFO L274 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-10-23 18:34:18,597 INFO L274 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-10-23 18:34:18,597 INFO L274 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:18,598 INFO L274 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:18,598 INFO L274 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:18,598 INFO L274 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:18,598 INFO L274 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:18,598 INFO L274 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:18,598 INFO L274 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-10-23 18:34:18,598 INFO L274 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-10-23 18:34:18,598 INFO L274 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-10-23 18:34:18,598 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-10-23 18:34:18,598 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-10-23 18:34:18,599 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-10-23 18:34:18,599 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-10-23 18:34:18,599 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-10-23 18:34:18,599 INFO L274 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-10-23 18:34:18,599 INFO L274 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-10-23 18:34:18,599 INFO L274 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-10-23 18:34:18,599 INFO L274 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-10-23 18:34:18,599 INFO L274 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-10-23 18:34:18,599 INFO L274 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-10-23 18:34:18,599 INFO L274 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-10-23 18:34:18,599 INFO L274 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-10-23 18:34:18,600 INFO L274 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:18,600 INFO L274 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:18,600 INFO L274 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:18,600 INFO L274 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:18,600 INFO L274 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:18,600 INFO L274 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-10-23 18:34:18,600 INFO L274 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-10-23 18:34:18,600 INFO L274 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-10-23 18:34:18,600 INFO L274 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-10-23 18:34:18,600 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-23 18:34:18,600 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a25~0 ~a11~0) (= ~a19~0 1) (<= 8 ~a17~0) (= ~a11~0 0) (<= ~a28~0 7) (<= ~a17~0 8)) [2020-10-23 18:34:18,601 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-23 18:34:18,601 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-23 18:34:18,601 INFO L270 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (let ((.cse2 (<= 8 ~a17~0)) (.cse0 (<= ~a17~0 8)) (.cse1 (<= ~a28~0 10))) (or (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (not (= |old(~a19~0)| 1)) (not (<= 8 |old(~a17~0)|)) (and (= ~a25~0 ~a11~0) (not (= ~a28~0 8)) .cse0 .cse1) (not (= 0 |old(~a11~0)|)) (and .cse2 .cse0 .cse1) (and (= ~a19~0 1) .cse2 .cse0) (and (<= 10 ~a28~0) .cse0 .cse1 (not (= ~a25~0 1))) (not (= |old(~a11~0)| |old(~a25~0)|)))) [2020-10-23 18:34:18,601 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 602 619) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (not (= |old(~a19~0)| 1)) (not (<= 8 |old(~a17~0)|)) (not (= 0 |old(~a11~0)|)) (and (= ~a28~0 |old(~a28~0)|) (= ~a25~0 ~a11~0) (= ~a17~0 |old(~a17~0)|) (= ~a19~0 1) (= ~a25~0 |old(~a25~0)|)) (not (= |old(~a11~0)| |old(~a25~0)|))) [2020-10-23 18:34:18,601 INFO L274 CegarLoopResult]: For program point L608-3(lines 602 619) no Hoare annotation was computed. [2020-10-23 18:34:18,601 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 602 619) no Hoare annotation was computed. [2020-10-23 18:34:18,602 INFO L270 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (let ((.cse2 (<= 8 ~a17~0)) (.cse0 (<= ~a17~0 8)) (.cse1 (<= ~a28~0 10))) (or (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (not (= |old(~a19~0)| 1)) (not (<= 8 |old(~a17~0)|)) (and (= ~a25~0 ~a11~0) (not (= ~a28~0 8)) .cse0 .cse1) (not (= 0 |old(~a11~0)|)) (and .cse2 .cse0 .cse1) (and (= ~a19~0 1) .cse2 .cse0) (and (<= 10 ~a28~0) .cse0 .cse1 (not (= ~a25~0 1))) (not (= |old(~a11~0)| |old(~a25~0)|)))) [2020-10-23 18:34:18,602 INFO L274 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-10-23 18:34:18,602 INFO L274 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-10-23 18:34:18,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 06:34:18 BoogieIcfgContainer [2020-10-23 18:34:18,623 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 18:34:18,626 INFO L168 Benchmark]: Toolchain (without parser) took 27624.14 ms. Allocated memory was 161.5 MB in the beginning and 412.1 MB in the end (delta: 250.6 MB). Free memory was 136.0 MB in the beginning and 249.0 MB in the end (delta: -113.0 MB). Peak memory consumption was 249.5 MB. Max. memory is 8.0 GB. [2020-10-23 18:34:18,630 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 125.8 MB. Free memory was 101.3 MB in the beginning and 101.2 MB in the end (delta: 73.2 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 18:34:18,631 INFO L168 Benchmark]: CACSL2BoogieTranslator took 836.39 ms. Allocated memory is still 161.5 MB. Free memory was 135.5 MB in the beginning and 140.1 MB in the end (delta: -4.6 MB). Peak memory consumption was 27.0 MB. Max. memory is 8.0 GB. [2020-10-23 18:34:18,631 INFO L168 Benchmark]: Boogie Preprocessor took 135.25 ms. Allocated memory is still 161.5 MB. Free memory was 140.1 MB in the beginning and 135.1 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-23 18:34:18,633 INFO L168 Benchmark]: RCFGBuilder took 1472.60 ms. Allocated memory is still 161.5 MB. Free memory was 135.1 MB in the beginning and 75.7 MB in the end (delta: 59.4 MB). Peak memory consumption was 60.8 MB. Max. memory is 8.0 GB. [2020-10-23 18:34:18,634 INFO L168 Benchmark]: TraceAbstraction took 25162.46 ms. Allocated memory was 161.5 MB in the beginning and 412.1 MB in the end (delta: 250.6 MB). Free memory was 75.2 MB in the beginning and 249.0 MB in the end (delta: -173.8 MB). Peak memory consumption was 187.9 MB. Max. memory is 8.0 GB. [2020-10-23 18:34:18,640 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 125.8 MB. Free memory was 101.3 MB in the beginning and 101.2 MB in the end (delta: 73.2 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 836.39 ms. Allocated memory is still 161.5 MB. Free memory was 135.5 MB in the beginning and 140.1 MB in the end (delta: -4.6 MB). Peak memory consumption was 27.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 135.25 ms. Allocated memory is still 161.5 MB. Free memory was 140.1 MB in the beginning and 135.1 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1472.60 ms. Allocated memory is still 161.5 MB. Free memory was 135.1 MB in the beginning and 75.7 MB in the end (delta: 59.4 MB). Peak memory consumption was 60.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 25162.46 ms. Allocated memory was 161.5 MB in the beginning and 412.1 MB in the end (delta: 250.6 MB). Free memory was 75.2 MB in the beginning and 249.0 MB in the end (delta: -173.8 MB). Peak memory consumption was 187.9 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: 608]: Loop Invariant Derived loop invariant: ((((((((!(\old(a28) <= 7) || !(\old(a17) <= 8)) || !(\old(a19) == 1)) || !(8 <= \old(a17))) || (((a25 == a11 && !(a28 == 8)) && a17 <= 8) && a28 <= 10)) || !(0 == \old(a11))) || ((8 <= a17 && a17 <= 8) && a28 <= 10)) || ((a19 == 1 && 8 <= a17) && a17 <= 8)) || (((10 <= a28 && a17 <= 8) && a28 <= 10) && !(a25 == 1))) || !(\old(a11) == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 22.7s, OverallIterations: 6, TraceHistogramMax: 4, AutomataDifference: 17.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 236 SDtfs, 4417 SDslu, 387 SDs, 0 SdLazy, 6836 SolverSat, 1674 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 593 GetRequests, 517 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 284 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4829occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 6 MinimizatonAttempts, 763 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 212 PreInvPairs, 280 NumberOfFragments, 475 HoareAnnotationTreeSize, 212 FomulaSimplifications, 20644 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 9 FomulaSimplificationsInter, 5293 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 1318 NumberOfCodeBlocks, 1318 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1309 ConstructedInterpolants, 0 QuantifiedInterpolants, 680422 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1476 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 9 InterpolantComputations, 4 PerfectInterpolantSequences, 415/450 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...