/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_label12.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 18:33:15,899 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 18:33:15,904 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 18:33:15,963 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-10-23 18:33:16,016 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 18:33:16,018 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 18:33:16,018 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 18:33:16,022 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 18:33:16,052 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 18:33:16,052 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 18:33:16,056 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-23 18:33:16,056 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-23 18:33:16,057 INFO L138 SettingsManager]: * Use SBE=true [2020-10-23 18:33:16,057 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 18:33:16,058 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 18:33:16,058 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 18:33:16,058 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 18:33:16,058 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 18:33:16,059 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 18:33:16,059 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 18:33:16,059 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 18:33:16,059 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 18:33:16,060 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 18:33:16,060 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 18:33:16,062 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 18:33:16,062 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 18:33:16,062 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-23 18:33:16,062 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 18:33:16,063 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 18:33:16,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 18:33:16,063 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 18:33:16,063 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-23 18:33:16,064 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-23 18:33:16,064 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-23 18:33:16,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-23 18:33:16,064 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 18:33:16,065 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-23 18:33:16,065 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-10-23 18:33:16,532 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 18:33:16,563 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 18:33:16,566 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 18:33:16,568 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 18:33:16,569 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 18:33:16,570 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label12.c [2020-10-23 18:33:16,659 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cdad852d0/37c01a9b37724973a8ed727a8f3628a2/FLAG7fd3c36cc [2020-10-23 18:33:17,452 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 18:33:17,453 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label12.c [2020-10-23 18:33:17,475 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cdad852d0/37c01a9b37724973a8ed727a8f3628a2/FLAG7fd3c36cc [2020-10-23 18:33:17,688 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cdad852d0/37c01a9b37724973a8ed727a8f3628a2 [2020-10-23 18:33:17,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 18:33:17,698 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 18:33:17,700 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 18:33:17,700 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 18:33:17,704 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 18:33:17,706 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:33:17" (1/1) ... [2020-10-23 18:33:17,710 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7021f3b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:33:17, skipping insertion in model container [2020-10-23 18:33:17,710 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:33:17" (1/1) ... [2020-10-23 18:33:17,719 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 18:33:17,795 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 18:33:18,257 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:33:18,268 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 18:33:18,362 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:33:18,383 INFO L208 MainTranslator]: Completed translation [2020-10-23 18:33:18,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:33:18 WrapperNode [2020-10-23 18:33:18,384 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 18:33:18,385 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 18:33:18,385 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 18:33:18,386 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 18:33:18,402 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:33:18" (1/1) ... [2020-10-23 18:33:18,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:33:18" (1/1) ... [2020-10-23 18:33:18,424 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:33:18" (1/1) ... [2020-10-23 18:33:18,424 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:33:18" (1/1) ... [2020-10-23 18:33:18,486 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:33:18" (1/1) ... [2020-10-23 18:33:18,516 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:33:18" (1/1) ... [2020-10-23 18:33:18,528 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:33:18" (1/1) ... [2020-10-23 18:33:18,538 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 18:33:18,540 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 18:33:18,540 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 18:33:18,540 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 18:33:18,541 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:33:18" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 18:33:18,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 18:33:18,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 18:33:18,630 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 18:33:18,630 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-23 18:33:18,630 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 18:33:18,630 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-23 18:33:18,630 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 18:33:18,630 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 18:33:18,631 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 18:33:18,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 18:33:18,631 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 18:33:18,631 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-23 18:33:18,631 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 18:33:18,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 18:33:18,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 18:33:18,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 18:33:18,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 18:33:18,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 18:33:18,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 18:33:19,951 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 18:33:19,952 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-23 18:33:19,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:33:19 BoogieIcfgContainer [2020-10-23 18:33:19,956 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 18:33:19,960 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 18:33:19,960 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 18:33:19,965 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 18:33:19,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 06:33:17" (1/3) ... [2020-10-23 18:33:19,967 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@651da5fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:33:19, skipping insertion in model container [2020-10-23 18:33:19,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:33:18" (2/3) ... [2020-10-23 18:33:19,968 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@651da5fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:33:19, skipping insertion in model container [2020-10-23 18:33:19,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:33:19" (3/3) ... [2020-10-23 18:33:19,970 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label12.c [2020-10-23 18:33:19,985 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-23 18:33:19,991 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-23 18:33:20,008 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-23 18:33:20,058 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 18:33:20,058 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 18:33:20,058 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-23 18:33:20,058 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 18:33:20,058 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 18:33:20,058 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 18:33:20,059 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 18:33:20,059 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 18:33:20,089 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states. [2020-10-23 18:33:20,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-23 18:33:20,113 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:33:20,114 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:33:20,115 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:33:20,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:33:20,125 INFO L82 PathProgramCache]: Analyzing trace with hash 1490496869, now seen corresponding path program 1 times [2020-10-23 18:33:20,137 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:33:20,138 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771764954] [2020-10-23 18:33:20,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:33:20,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:20,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:33:20,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:20,877 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 18:33:20,878 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771764954] [2020-10-23 18:33:20,879 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:33:20,880 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-23 18:33:20,880 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42096438] [2020-10-23 18:33:20,886 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-23 18:33:20,887 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:33:20,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-23 18:33:20,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-23 18:33:20,906 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 4 states. [2020-10-23 18:33:21,074 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-23 18:33:22,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:33:22,796 INFO L93 Difference]: Finished difference Result 667 states and 1119 transitions. [2020-10-23 18:33:22,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-23 18:33:22,798 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 125 [2020-10-23 18:33:22,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:33:22,816 INFO L225 Difference]: With dead ends: 667 [2020-10-23 18:33:22,816 INFO L226 Difference]: Without dead ends: 342 [2020-10-23 18:33:22,824 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-23 18:33:22,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2020-10-23 18:33:22,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 338. [2020-10-23 18:33:22,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2020-10-23 18:33:22,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 489 transitions. [2020-10-23 18:33:22,912 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 489 transitions. Word has length 125 [2020-10-23 18:33:22,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:33:22,913 INFO L481 AbstractCegarLoop]: Abstraction has 338 states and 489 transitions. [2020-10-23 18:33:22,913 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-23 18:33:22,913 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 489 transitions. [2020-10-23 18:33:22,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-23 18:33:22,918 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:33:22,918 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:33:22,919 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 18:33:22,919 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:33:22,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:33:22,920 INFO L82 PathProgramCache]: Analyzing trace with hash -1976864847, now seen corresponding path program 1 times [2020-10-23 18:33:22,920 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:33:22,920 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353087572] [2020-10-23 18:33:22,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:33:22,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:23,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:33:23,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:23,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:33:23,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:23,270 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:33:23,271 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353087572] [2020-10-23 18:33:23,271 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:33:23,271 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-23 18:33:23,271 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13642283] [2020-10-23 18:33:23,274 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-23 18:33:23,274 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:33:23,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-23 18:33:23,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-23 18:33:23,279 INFO L87 Difference]: Start difference. First operand 338 states and 489 transitions. Second operand 7 states. [2020-10-23 18:33:23,422 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-23 18:33:25,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:33:25,253 INFO L93 Difference]: Finished difference Result 991 states and 1464 transitions. [2020-10-23 18:33:25,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-23 18:33:25,255 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 133 [2020-10-23 18:33:25,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:33:25,264 INFO L225 Difference]: With dead ends: 991 [2020-10-23 18:33:25,264 INFO L226 Difference]: Without dead ends: 659 [2020-10-23 18:33:25,267 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-10-23 18:33:25,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2020-10-23 18:33:25,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 643. [2020-10-23 18:33:25,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 643 states. [2020-10-23 18:33:25,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 882 transitions. [2020-10-23 18:33:25,332 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 882 transitions. Word has length 133 [2020-10-23 18:33:25,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:33:25,333 INFO L481 AbstractCegarLoop]: Abstraction has 643 states and 882 transitions. [2020-10-23 18:33:25,333 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-23 18:33:25,333 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 882 transitions. [2020-10-23 18:33:25,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-10-23 18:33:25,338 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:33:25,339 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:33:25,339 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-23 18:33:25,339 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:33:25,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:33:25,340 INFO L82 PathProgramCache]: Analyzing trace with hash 1726618781, now seen corresponding path program 1 times [2020-10-23 18:33:25,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:33:25,340 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187791778] [2020-10-23 18:33:25,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:33:25,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:25,582 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-23 18:33:25,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:33:25,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:25,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:33:25,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:25,712 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:33:25,713 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187791778] [2020-10-23 18:33:25,713 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:33:25,713 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-23 18:33:25,715 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704326529] [2020-10-23 18:33:25,717 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-23 18:33:25,717 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:33:25,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-23 18:33:25,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-23 18:33:25,720 INFO L87 Difference]: Start difference. First operand 643 states and 882 transitions. Second operand 7 states. [2020-10-23 18:33:27,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:33:27,738 INFO L93 Difference]: Finished difference Result 1925 states and 2783 transitions. [2020-10-23 18:33:27,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-23 18:33:27,739 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 139 [2020-10-23 18:33:27,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:33:27,756 INFO L225 Difference]: With dead ends: 1925 [2020-10-23 18:33:27,757 INFO L226 Difference]: Without dead ends: 1288 [2020-10-23 18:33:27,760 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 18:33:27,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1288 states. [2020-10-23 18:33:27,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1288 to 1256. [2020-10-23 18:33:27,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1256 states. [2020-10-23 18:33:27,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 1256 states and 1688 transitions. [2020-10-23 18:33:27,875 INFO L78 Accepts]: Start accepts. Automaton has 1256 states and 1688 transitions. Word has length 139 [2020-10-23 18:33:27,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:33:27,875 INFO L481 AbstractCegarLoop]: Abstraction has 1256 states and 1688 transitions. [2020-10-23 18:33:27,875 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-23 18:33:27,876 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 1688 transitions. [2020-10-23 18:33:27,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-23 18:33:27,888 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:33:27,888 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:33:27,889 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-23 18:33:27,889 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:33:27,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:33:27,890 INFO L82 PathProgramCache]: Analyzing trace with hash 1338889568, now seen corresponding path program 1 times [2020-10-23 18:33:27,890 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:33:27,891 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878737267] [2020-10-23 18:33:27,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:33:27,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:28,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:33:28,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:28,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:33:28,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:28,261 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:33:28,263 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878737267] [2020-10-23 18:33:28,264 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:33:28,264 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-23 18:33:28,264 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637215408] [2020-10-23 18:33:28,265 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-23 18:33:28,265 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:33:28,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-23 18:33:28,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-23 18:33:28,272 INFO L87 Difference]: Start difference. First operand 1256 states and 1688 transitions. Second operand 8 states. [2020-10-23 18:33:28,421 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-23 18:33:28,643 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-23 18:33:31,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:33:31,290 INFO L93 Difference]: Finished difference Result 4330 states and 5971 transitions. [2020-10-23 18:33:31,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-23 18:33:31,291 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 153 [2020-10-23 18:33:31,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:33:31,311 INFO L225 Difference]: With dead ends: 4330 [2020-10-23 18:33:31,312 INFO L226 Difference]: Without dead ends: 3080 [2020-10-23 18:33:31,318 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-10-23 18:33:31,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3080 states. [2020-10-23 18:33:31,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3080 to 3054. [2020-10-23 18:33:31,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3054 states. [2020-10-23 18:33:31,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3054 states to 3054 states and 3775 transitions. [2020-10-23 18:33:31,455 INFO L78 Accepts]: Start accepts. Automaton has 3054 states and 3775 transitions. Word has length 153 [2020-10-23 18:33:31,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:33:31,455 INFO L481 AbstractCegarLoop]: Abstraction has 3054 states and 3775 transitions. [2020-10-23 18:33:31,455 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-23 18:33:31,455 INFO L276 IsEmpty]: Start isEmpty. Operand 3054 states and 3775 transitions. [2020-10-23 18:33:31,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-10-23 18:33:31,466 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:33:31,466 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:33:31,466 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-23 18:33:31,467 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:33:31,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:33:31,467 INFO L82 PathProgramCache]: Analyzing trace with hash 405847485, now seen corresponding path program 1 times [2020-10-23 18:33:31,468 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:33:31,468 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198584094] [2020-10-23 18:33:31,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:33:31,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:31,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:33:31,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:31,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:33:31,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:31,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-23 18:33:31,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:31,980 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-23 18:33:31,981 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198584094] [2020-10-23 18:33:31,981 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [394773138] [2020-10-23 18:33:31,981 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 18:33:32,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:32,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:33:32,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:33:32,387 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-23 18:33:32,387 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-23 18:33:32,387 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2020-10-23 18:33:32,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360801873] [2020-10-23 18:33:32,388 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 18:33:32,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:33:32,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 18:33:32,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-23 18:33:32,392 INFO L87 Difference]: Start difference. First operand 3054 states and 3775 transitions. Second operand 3 states. [2020-10-23 18:33:33,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:33:33,361 INFO L93 Difference]: Finished difference Result 6986 states and 8783 transitions. [2020-10-23 18:33:33,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 18:33:33,362 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 160 [2020-10-23 18:33:33,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:33:33,390 INFO L225 Difference]: With dead ends: 6986 [2020-10-23 18:33:33,391 INFO L226 Difference]: Without dead ends: 3329 [2020-10-23 18:33:33,404 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-10-23 18:33:33,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3329 states. [2020-10-23 18:33:33,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3329 to 3329. [2020-10-23 18:33:33,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3329 states. [2020-10-23 18:33:33,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3329 states to 3329 states and 3815 transitions. [2020-10-23 18:33:33,567 INFO L78 Accepts]: Start accepts. Automaton has 3329 states and 3815 transitions. Word has length 160 [2020-10-23 18:33:33,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:33:33,569 INFO L481 AbstractCegarLoop]: Abstraction has 3329 states and 3815 transitions. [2020-10-23 18:33:33,570 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 18:33:33,570 INFO L276 IsEmpty]: Start isEmpty. Operand 3329 states and 3815 transitions. [2020-10-23 18:33:33,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-10-23 18:33:33,584 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:33:33,584 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:33:33,798 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:33:33,800 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:33:33,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:33:33,801 INFO L82 PathProgramCache]: Analyzing trace with hash -1283184776, now seen corresponding path program 1 times [2020-10-23 18:33:33,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:33:33,802 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961758949] [2020-10-23 18:33:33,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:33:33,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:33,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:33:33,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:33,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:33:33,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:33,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-23 18:33:33,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:34,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-23 18:33:34,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:34,072 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 65 proven. 18 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-23 18:33:34,073 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961758949] [2020-10-23 18:33:34,073 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [204815552] [2020-10-23 18:33:34,074 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 18:33:34,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:34,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:33:34,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:33:34,412 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2020-10-23 18:33:34,412 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-23 18:33:34,413 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-10-23 18:33:34,413 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674056007] [2020-10-23 18:33:34,414 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 18:33:34,414 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:33:34,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 18:33:34,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-23 18:33:34,415 INFO L87 Difference]: Start difference. First operand 3329 states and 3815 transitions. Second operand 3 states. [2020-10-23 18:33:35,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:33:35,168 INFO L93 Difference]: Finished difference Result 7815 states and 9025 transitions. [2020-10-23 18:33:35,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 18:33:35,169 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 187 [2020-10-23 18:33:35,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:33:35,170 INFO L225 Difference]: With dead ends: 7815 [2020-10-23 18:33:35,170 INFO L226 Difference]: Without dead ends: 0 [2020-10-23 18:33:35,190 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-23 18:33:35,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-23 18:33:35,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-23 18:33:35,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-23 18:33:35,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-23 18:33:35,192 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 187 [2020-10-23 18:33:35,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:33:35,192 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-23 18:33:35,192 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 18:33:35,192 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-23 18:33:35,192 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-23 18:33:35,406 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:33:35,409 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-23 18:33:35,930 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 31 [2020-10-23 18:33:36,613 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 43 [2020-10-23 18:33:36,827 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2020-10-23 18:33:37,012 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 27 [2020-10-23 18:33:37,134 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2020-10-23 18:33:37,139 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-23 18:33:37,139 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-23 18:33:37,139 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-23 18:33:37,139 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-23 18:33:37,139 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-23 18:33:37,140 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 18:33:37,140 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-23 18:33:37,140 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-10-23 18:33:37,140 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-10-23 18:33:37,140 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-10-23 18:33:37,140 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-10-23 18:33:37,141 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-10-23 18:33:37,141 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-10-23 18:33:37,141 INFO L274 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-10-23 18:33:37,141 INFO L274 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-10-23 18:33:37,141 INFO L274 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-10-23 18:33:37,141 INFO L274 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-10-23 18:33:37,141 INFO L274 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-10-23 18:33:37,142 INFO L274 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-10-23 18:33:37,142 INFO L274 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-10-23 18:33:37,142 INFO L274 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-10-23 18:33:37,142 INFO L274 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-10-23 18:33:37,142 INFO L274 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:37,142 INFO L274 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:37,142 INFO L274 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:37,143 INFO L274 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:37,143 INFO L274 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:37,143 INFO L274 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-10-23 18:33:37,143 INFO L274 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-10-23 18:33:37,143 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-10-23 18:33:37,143 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-10-23 18:33:37,143 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-10-23 18:33:37,143 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-10-23 18:33:37,144 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-10-23 18:33:37,144 INFO L274 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-10-23 18:33:37,144 INFO L274 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-10-23 18:33:37,144 INFO L274 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-10-23 18:33:37,144 INFO L274 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-10-23 18:33:37,144 INFO L274 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-10-23 18:33:37,144 INFO L274 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-10-23 18:33:37,144 INFO L274 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:37,145 INFO L274 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:37,145 INFO L274 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:37,145 INFO L274 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:37,145 INFO L274 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-10-23 18:33:37,145 INFO L274 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:37,145 INFO L274 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-10-23 18:33:37,145 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-10-23 18:33:37,145 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-10-23 18:33:37,145 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-10-23 18:33:37,146 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-10-23 18:33:37,146 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-10-23 18:33:37,146 INFO L274 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-10-23 18:33:37,146 INFO L274 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-10-23 18:33:37,146 INFO L274 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-10-23 18:33:37,146 INFO L274 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-10-23 18:33:37,146 INFO L274 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-10-23 18:33:37,146 INFO L274 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-10-23 18:33:37,147 INFO L274 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-10-23 18:33:37,147 INFO L274 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-10-23 18:33:37,147 INFO L274 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-10-23 18:33:37,147 INFO L274 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:37,147 INFO L274 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:37,147 INFO L274 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:37,147 INFO L274 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:37,147 INFO L274 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:37,147 INFO L274 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-10-23 18:33:37,148 INFO L274 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-10-23 18:33:37,148 INFO L274 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-10-23 18:33:37,148 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-10-23 18:33:37,148 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-10-23 18:33:37,148 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-10-23 18:33:37,148 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-10-23 18:33:37,148 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-10-23 18:33:37,148 INFO L274 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-10-23 18:33:37,149 INFO L274 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-10-23 18:33:37,149 INFO L274 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-10-23 18:33:37,149 INFO L274 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:37,149 INFO L274 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:37,149 INFO L274 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:37,149 INFO L274 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:37,149 INFO L274 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:37,149 INFO L274 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-10-23 18:33:37,149 INFO L274 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-10-23 18:33:37,150 INFO L274 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-10-23 18:33:37,150 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-10-23 18:33:37,150 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-10-23 18:33:37,150 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-10-23 18:33:37,150 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-10-23 18:33:37,150 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-10-23 18:33:37,150 INFO L274 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-10-23 18:33:37,150 INFO L274 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-10-23 18:33:37,150 INFO L274 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-10-23 18:33:37,151 INFO L274 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-10-23 18:33:37,151 INFO L274 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-10-23 18:33:37,151 INFO L274 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:37,151 INFO L274 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:37,151 INFO L274 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:37,151 INFO L274 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:37,151 INFO L274 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:37,151 INFO L274 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-10-23 18:33:37,151 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-10-23 18:33:37,152 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-10-23 18:33:37,152 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-10-23 18:33:37,152 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-23 18:33:37,152 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-10-23 18:33:37,152 INFO L274 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-10-23 18:33:37,152 INFO L274 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-10-23 18:33:37,152 INFO L274 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-10-23 18:33:37,152 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:37,152 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:37,153 INFO L274 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-10-23 18:33:37,153 INFO L274 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-10-23 18:33:37,153 INFO L274 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-10-23 18:33:37,153 INFO L274 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-10-23 18:33:37,153 INFO L274 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-10-23 18:33:37,153 INFO L274 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-10-23 18:33:37,153 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-10-23 18:33:37,153 INFO L274 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:37,154 INFO L274 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:37,154 INFO L274 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:37,154 INFO L274 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:37,154 INFO L274 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-10-23 18:33:37,154 INFO L274 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:37,154 INFO L274 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-10-23 18:33:37,154 INFO L274 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:37,154 INFO L274 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-10-23 18:33:37,155 INFO L274 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-10-23 18:33:37,155 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-10-23 18:33:37,155 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-10-23 18:33:37,155 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-10-23 18:33:37,155 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-10-23 18:33:37,155 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-10-23 18:33:37,155 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-23 18:33:37,156 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-10-23 18:33:37,156 INFO L274 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-10-23 18:33:37,156 INFO L274 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-10-23 18:33:37,156 INFO L274 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-10-23 18:33:37,156 INFO L274 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-10-23 18:33:37,156 INFO L274 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-10-23 18:33:37,156 INFO L274 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:37,156 INFO L274 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:37,156 INFO L274 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:37,156 INFO L274 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:37,157 INFO L274 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:37,157 INFO L274 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:37,157 INFO L274 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-10-23 18:33:37,157 INFO L274 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-10-23 18:33:37,157 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-10-23 18:33:37,157 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-10-23 18:33:37,157 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-10-23 18:33:37,157 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-10-23 18:33:37,157 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-10-23 18:33:37,157 INFO L274 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-10-23 18:33:37,157 INFO L274 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-10-23 18:33:37,158 INFO L274 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-10-23 18:33:37,158 INFO L274 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-10-23 18:33:37,158 INFO L274 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:37,158 INFO L274 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:37,158 INFO L274 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:37,158 INFO L274 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:37,158 INFO L274 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:37,158 INFO L274 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:37,158 INFO L274 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-10-23 18:33:37,158 INFO L274 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-10-23 18:33:37,159 INFO L274 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-10-23 18:33:37,159 INFO L274 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-23 18:33:37,159 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-10-23 18:33:37,159 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-10-23 18:33:37,159 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-10-23 18:33:37,159 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 31 600) the Hoare annotation is: (let ((.cse7 (= ~a11~0 |old(~a11~0)|)) (.cse5 (= ~a28~0 |old(~a28~0)|)) (.cse6 (= ~a17~0 |old(~a17~0)|)) (.cse8 (= ~a25~0 |old(~a25~0)|)) (.cse10 (= ~a19~0 |old(~a19~0)|))) (let ((.cse1 (and .cse5 (= ~a25~0 ~a11~0) .cse6 .cse8 .cse10)) (.cse2 (= |old(~a17~0)| |old(~a28~0)|)) (.cse3 (not (= |old(~a11~0)| |old(~a25~0)|))) (.cse9 (not (<= 8 |old(~a17~0)|))) (.cse4 (and .cse5 .cse6 .cse7 .cse8 .cse10)) (.cse0 (= 11 |old(~a28~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 (not (<= 10 |old(~a28~0)|))) (or (not (= |old(~a19~0)| 1)) (and .cse5 .cse6 .cse7 (= ~a19~0 1) .cse8)) (or .cse9 (not (= 0 |old(~a11~0)|)) .cse1 .cse2 .cse3) (or .cse9 .cse4 .cse0)))) [2020-10-23 18:33:37,160 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-10-23 18:33:37,160 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-10-23 18:33:37,160 INFO L274 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-10-23 18:33:37,160 INFO L274 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-10-23 18:33:37,160 INFO L274 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-10-23 18:33:37,160 INFO L274 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-10-23 18:33:37,160 INFO L274 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-10-23 18:33:37,160 INFO L274 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:37,160 INFO L274 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:37,161 INFO L274 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:37,161 INFO L274 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:37,161 INFO L274 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:37,161 INFO L274 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:37,161 INFO L274 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-10-23 18:33:37,161 INFO L274 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-10-23 18:33:37,161 INFO L274 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-10-23 18:33:37,161 INFO L274 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-10-23 18:33:37,161 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-10-23 18:33:37,161 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-10-23 18:33:37,162 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-10-23 18:33:37,162 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-10-23 18:33:37,162 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-10-23 18:33:37,162 INFO L274 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-10-23 18:33:37,162 INFO L274 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-10-23 18:33:37,162 INFO L274 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-10-23 18:33:37,162 INFO L274 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-10-23 18:33:37,162 INFO L274 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:37,162 INFO L274 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:37,163 INFO L274 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:37,163 INFO L274 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:37,163 INFO L274 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:37,163 INFO L274 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:37,163 INFO L274 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-10-23 18:33:37,163 INFO L274 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-10-23 18:33:37,163 INFO L274 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-10-23 18:33:37,163 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-10-23 18:33:37,164 INFO L270 CegarLoopResult]: At program point L528(line 528) the Hoare annotation is: (let ((.cse0 (= 11 |old(~a28~0)|)) (.cse3 (not (<= 8 |old(~a17~0)|))) (.cse1 (= |old(~a17~0)| |old(~a28~0)|)) (.cse2 (not (= |old(~a11~0)| |old(~a25~0)|)))) (and (not (= |old(~a19~0)| 1)) (or .cse0 .cse1 .cse2) (or .cse0 (not (<= 10 |old(~a28~0)|))) (or .cse3 .cse0) (or .cse3 (not (= 0 |old(~a11~0)|)) .cse1 .cse2))) [2020-10-23 18:33:37,164 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-10-23 18:33:37,164 INFO L274 CegarLoopResult]: For program point L528-1(line 528) no Hoare annotation was computed. [2020-10-23 18:33:37,164 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-10-23 18:33:37,164 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-10-23 18:33:37,164 INFO L274 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-10-23 18:33:37,164 INFO L274 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-10-23 18:33:37,164 INFO L274 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-10-23 18:33:37,164 INFO L274 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-10-23 18:33:37,165 INFO L274 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-10-23 18:33:37,165 INFO L274 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-10-23 18:33:37,165 INFO L274 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-10-23 18:33:37,165 INFO L274 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-10-23 18:33:37,165 INFO L274 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:37,165 INFO L274 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:37,165 INFO L274 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:37,165 INFO L274 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:37,166 INFO L274 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:33:37,166 INFO L274 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-10-23 18:33:37,166 INFO L274 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-10-23 18:33:37,166 INFO L274 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-10-23 18:33:37,166 INFO L274 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-10-23 18:33:37,166 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-23 18:33:37,167 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)) [2020-10-23 18:33:37,167 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-23 18:33:37,167 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-23 18:33:37,167 INFO L270 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (let ((.cse1 (not (= ~a28~0 ~a17~0))) (.cse2 (= ~a25~0 ~a11~0)) (.cse3 (<= 8 ~a17~0)) (.cse0 (not (= ~a28~0 11)))) (or (and (<= 10 ~a28~0) .cse0) (not (<= |old(~a28~0)| 7)) (and .cse1 .cse2 .cse3 (= ~a11~0 0)) (not (= |old(~a19~0)| 1)) (not (<= 8 |old(~a17~0)|)) (= ~a19~0 1) (not (= 0 |old(~a11~0)|)) (and .cse1 .cse2 .cse0) (and .cse3 .cse0) (not (= |old(~a11~0)| |old(~a25~0)|)))) [2020-10-23 18:33:37,167 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 602 619) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (not (= |old(~a19~0)| 1)) (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 18:33:37,168 INFO L274 CegarLoopResult]: For program point L608-3(lines 602 619) no Hoare annotation was computed. [2020-10-23 18:33:37,168 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 602 619) no Hoare annotation was computed. [2020-10-23 18:33:37,168 INFO L270 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (let ((.cse1 (not (= ~a28~0 ~a17~0))) (.cse2 (= ~a25~0 ~a11~0)) (.cse3 (<= 8 ~a17~0)) (.cse0 (not (= ~a28~0 11)))) (or (and (<= 10 ~a28~0) .cse0) (not (<= |old(~a28~0)| 7)) (and .cse1 .cse2 .cse3 (= ~a11~0 0)) (not (= |old(~a19~0)| 1)) (not (<= 8 |old(~a17~0)|)) (= ~a19~0 1) (not (= 0 |old(~a11~0)|)) (and .cse1 .cse2 .cse0) (and .cse3 .cse0) (not (= |old(~a11~0)| |old(~a25~0)|)))) [2020-10-23 18:33:37,168 INFO L274 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-10-23 18:33:37,168 INFO L274 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-10-23 18:33:37,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 06:33:37 BoogieIcfgContainer [2020-10-23 18:33:37,191 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 18:33:37,193 INFO L168 Benchmark]: Toolchain (without parser) took 19499.07 ms. Allocated memory was 172.0 MB in the beginning and 369.1 MB in the end (delta: 197.1 MB). Free memory was 145.6 MB in the beginning and 306.8 MB in the end (delta: -161.1 MB). Peak memory consumption was 224.0 MB. Max. memory is 8.0 GB. [2020-10-23 18:33:37,193 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 125.8 MB. Free memory is still 85.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 18:33:37,194 INFO L168 Benchmark]: CACSL2BoogieTranslator took 684.80 ms. Allocated memory is still 172.0 MB. Free memory was 145.0 MB in the beginning and 119.5 MB in the end (delta: 25.5 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. [2020-10-23 18:33:37,195 INFO L168 Benchmark]: Boogie Preprocessor took 152.67 ms. Allocated memory is still 172.0 MB. Free memory was 119.5 MB in the beginning and 114.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-23 18:33:37,196 INFO L168 Benchmark]: RCFGBuilder took 1416.66 ms. Allocated memory is still 172.0 MB. Free memory was 114.5 MB in the beginning and 135.9 MB in the end (delta: -21.4 MB). Peak memory consumption was 44.1 MB. Max. memory is 8.0 GB. [2020-10-23 18:33:37,196 INFO L168 Benchmark]: TraceAbstraction took 17230.68 ms. Allocated memory was 172.0 MB in the beginning and 369.1 MB in the end (delta: 197.1 MB). Free memory was 135.4 MB in the beginning and 306.8 MB in the end (delta: -171.4 MB). Peak memory consumption was 212.4 MB. Max. memory is 8.0 GB. [2020-10-23 18:33:37,200 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 125.8 MB. Free memory is still 85.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 684.80 ms. Allocated memory is still 172.0 MB. Free memory was 145.0 MB in the beginning and 119.5 MB in the end (delta: 25.5 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 152.67 ms. Allocated memory is still 172.0 MB. Free memory was 119.5 MB in the beginning and 114.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1416.66 ms. Allocated memory is still 172.0 MB. Free memory was 114.5 MB in the beginning and 135.9 MB in the end (delta: -21.4 MB). Peak memory consumption was 44.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 17230.68 ms. Allocated memory was 172.0 MB in the beginning and 369.1 MB in the end (delta: 197.1 MB). Free memory was 135.4 MB in the beginning and 306.8 MB in the end (delta: -171.4 MB). Peak memory consumption was 212.4 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: (((((((((10 <= a28 && !(a28 == 11)) || !(\old(a28) <= 7)) || (((!(a28 == a17) && a25 == a11) && 8 <= a17) && a11 == 0)) || !(\old(a19) == 1)) || !(8 <= \old(a17))) || a19 == 1) || !(0 == \old(a11))) || ((!(a28 == a17) && a25 == a11) && !(a28 == 11))) || (8 <= a17 && !(a28 == 11))) || !(\old(a11) == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.3s, OverallIterations: 6, TraceHistogramMax: 4, AutomataDifference: 10.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 437 SDtfs, 2538 SDslu, 291 SDs, 0 SdLazy, 4419 SolverSat, 854 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 418 GetRequests, 371 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3329occurred 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: 0.5s AutomataMinimizationTime, 6 MinimizatonAttempts, 78 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 194 PreInvPairs, 262 NumberOfFragments, 446 HoareAnnotationTreeSize, 194 FomulaSimplifications, 15134 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 9 FomulaSimplificationsInter, 4212 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 1244 NumberOfCodeBlocks, 1244 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1236 ConstructedInterpolants, 0 QuantifiedInterpolants, 726497 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1032 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 8 InterpolantComputations, 6 PerfectInterpolantSequences, 291/317 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...