/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_label21.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 18:33:39,953 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 18:33:39,956 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 18:33:40,012 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-10-23 18:33:40,136 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 18:33:40,137 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 18:33:40,138 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 18:33:40,139 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 18:33:40,196 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 18:33:40,196 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 18:33:40,200 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-23 18:33:40,201 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-23 18:33:40,201 INFO L138 SettingsManager]: * Use SBE=true [2020-10-23 18:33:40,201 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 18:33:40,201 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 18:33:40,202 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 18:33:40,202 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 18:33:40,202 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 18:33:40,203 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 18:33:40,204 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 18:33:40,204 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 18:33:40,204 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 18:33:40,204 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 18:33:40,204 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 18:33:40,205 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 18:33:40,205 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 18:33:40,205 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-23 18:33:40,205 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 18:33:40,206 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 18:33:40,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 18:33:40,206 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 18:33:40,207 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-23 18:33:40,207 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-23 18:33:40,207 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-23 18:33:40,207 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-23 18:33:40,207 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 18:33:40,208 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-23 18:33:40,208 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-10-23 18:33:40,647 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 18:33:40,684 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 18:33:40,687 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 18:33:40,689 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 18:33:40,692 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 18:33:40,693 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label21.c [2020-10-23 18:33:40,781 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df20d09c5/f41d3dc4d8b14f8cbdf5a94c56616e0f/FLAG66226bd20 [2020-10-23 18:33:41,540 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 18:33:41,541 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label21.c [2020-10-23 18:33:41,570 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df20d09c5/f41d3dc4d8b14f8cbdf5a94c56616e0f/FLAG66226bd20 [2020-10-23 18:33:41,739 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df20d09c5/f41d3dc4d8b14f8cbdf5a94c56616e0f [2020-10-23 18:33:41,746 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 18:33:41,753 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 18:33:41,758 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 18:33:41,758 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 18:33:41,762 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 18:33:41,764 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:33:41" (1/1) ... [2020-10-23 18:33:41,768 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27a97be3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:33:41, skipping insertion in model container [2020-10-23 18:33:41,769 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:33:41" (1/1) ... [2020-10-23 18:33:41,778 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 18:33:41,850 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 18:33:42,307 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:33:42,328 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 18:33:42,589 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:33:42,609 INFO L208 MainTranslator]: Completed translation [2020-10-23 18:33:42,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:33:42 WrapperNode [2020-10-23 18:33:42,611 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 18:33:42,612 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 18:33:42,612 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 18:33:42,612 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 18:33:42,629 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:33:42" (1/1) ... [2020-10-23 18:33:42,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:33:42" (1/1) ... [2020-10-23 18:33:42,671 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:33:42" (1/1) ... [2020-10-23 18:33:42,671 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:33:42" (1/1) ... [2020-10-23 18:33:42,732 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:33:42" (1/1) ... [2020-10-23 18:33:42,749 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:33:42" (1/1) ... [2020-10-23 18:33:42,754 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:33:42" (1/1) ... [2020-10-23 18:33:42,763 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 18:33:42,764 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 18:33:42,765 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 18:33:42,765 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 18:33:42,766 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:33:42" (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 18:33:42,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 18:33:42,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 18:33:42,865 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 18:33:42,865 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-23 18:33:42,865 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 18:33:42,865 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-23 18:33:42,865 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 18:33:42,866 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 18:33:42,866 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 18:33:42,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 18:33:42,866 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 18:33:42,866 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-23 18:33:42,867 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 18:33:42,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 18:33:42,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 18:33:42,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 18:33:42,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 18:33:42,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 18:33:42,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 18:33:44,041 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 18:33:44,042 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-23 18:33:44,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:33:44 BoogieIcfgContainer [2020-10-23 18:33:44,044 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 18:33:44,046 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 18:33:44,047 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 18:33:44,051 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 18:33:44,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 06:33:41" (1/3) ... [2020-10-23 18:33:44,052 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@212c7e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:33:44, skipping insertion in model container [2020-10-23 18:33:44,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:33:42" (2/3) ... [2020-10-23 18:33:44,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@212c7e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:33:44, skipping insertion in model container [2020-10-23 18:33:44,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:33:44" (3/3) ... [2020-10-23 18:33:44,055 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label21.c [2020-10-23 18:33:44,068 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-23 18:33:44,074 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-23 18:33:44,088 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-23 18:33:44,118 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 18:33:44,118 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 18:33:44,118 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-23 18:33:44,118 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 18:33:44,118 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 18:33:44,119 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 18:33:44,119 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 18:33:44,119 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 18:33:44,145 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states. [2020-10-23 18:33:44,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-10-23 18:33:44,158 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:33:44,159 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] [2020-10-23 18:33:44,160 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:33:44,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:33:44,167 INFO L82 PathProgramCache]: Analyzing trace with hash 2002010637, now seen corresponding path program 1 times [2020-10-23 18:33:44,178 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:33:44,179 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975402597] [2020-10-23 18:33:44,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:33:44,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:44,876 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-23 18:33:44,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:33:44,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:44,998 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 18:33:44,999 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975402597] [2020-10-23 18:33:45,000 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:33:45,000 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-23 18:33:45,001 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492762985] [2020-10-23 18:33:45,007 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-23 18:33:45,008 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:33:45,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-23 18:33:45,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-23 18:33:45,026 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 5 states. [2020-10-23 18:33:47,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:33:47,968 INFO L93 Difference]: Finished difference Result 789 states and 1384 transitions. [2020-10-23 18:33:47,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-23 18:33:47,971 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 103 [2020-10-23 18:33:47,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:33:48,010 INFO L225 Difference]: With dead ends: 789 [2020-10-23 18:33:48,011 INFO L226 Difference]: Without dead ends: 481 [2020-10-23 18:33:48,025 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 18:33:48,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2020-10-23 18:33:48,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 474. [2020-10-23 18:33:48,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 474 states. [2020-10-23 18:33:48,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 646 transitions. [2020-10-23 18:33:48,150 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 646 transitions. Word has length 103 [2020-10-23 18:33:48,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:33:48,151 INFO L481 AbstractCegarLoop]: Abstraction has 474 states and 646 transitions. [2020-10-23 18:33:48,152 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-23 18:33:48,152 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 646 transitions. [2020-10-23 18:33:48,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-23 18:33:48,158 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:33:48,159 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] [2020-10-23 18:33:48,159 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 18:33:48,159 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:33:48,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:33:48,160 INFO L82 PathProgramCache]: Analyzing trace with hash 1404283748, now seen corresponding path program 1 times [2020-10-23 18:33:48,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:33:48,161 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444078889] [2020-10-23 18:33:48,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:33:48,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:48,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:33:48,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:48,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:33:48,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:48,506 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 18:33:48,507 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444078889] [2020-10-23 18:33:48,507 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:33:48,507 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-23 18:33:48,507 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268225185] [2020-10-23 18:33:48,509 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-23 18:33:48,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:33:48,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-23 18:33:48,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-23 18:33:48,511 INFO L87 Difference]: Start difference. First operand 474 states and 646 transitions. Second operand 7 states. [2020-10-23 18:33:50,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:33:50,612 INFO L93 Difference]: Finished difference Result 1412 states and 1997 transitions. [2020-10-23 18:33:50,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-23 18:33:50,615 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 124 [2020-10-23 18:33:50,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:33:50,623 INFO L225 Difference]: With dead ends: 1412 [2020-10-23 18:33:50,623 INFO L226 Difference]: Without dead ends: 944 [2020-10-23 18:33:50,626 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 18:33:50,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 944 states. [2020-10-23 18:33:50,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 944 to 926. [2020-10-23 18:33:50,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 926 states. [2020-10-23 18:33:50,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 1228 transitions. [2020-10-23 18:33:50,692 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 1228 transitions. Word has length 124 [2020-10-23 18:33:50,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:33:50,693 INFO L481 AbstractCegarLoop]: Abstraction has 926 states and 1228 transitions. [2020-10-23 18:33:50,693 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-23 18:33:50,693 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1228 transitions. [2020-10-23 18:33:50,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-10-23 18:33:50,699 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:33:50,700 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] [2020-10-23 18:33:50,700 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-23 18:33:50,700 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:33:50,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:33:50,701 INFO L82 PathProgramCache]: Analyzing trace with hash 251207917, now seen corresponding path program 1 times [2020-10-23 18:33:50,701 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:33:50,702 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070823018] [2020-10-23 18:33:50,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:33:50,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:50,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:33:50,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:50,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:33:50,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:51,015 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 18:33:51,017 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070823018] [2020-10-23 18:33:51,024 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:33:51,025 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-23 18:33:51,027 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631445938] [2020-10-23 18:33:51,028 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-23 18:33:51,029 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:33:51,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-23 18:33:51,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-23 18:33:51,033 INFO L87 Difference]: Start difference. First operand 926 states and 1228 transitions. Second operand 7 states. [2020-10-23 18:33:53,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:33:53,254 INFO L93 Difference]: Finished difference Result 2814 states and 3926 transitions. [2020-10-23 18:33:53,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-23 18:33:53,255 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 140 [2020-10-23 18:33:53,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:33:53,278 INFO L225 Difference]: With dead ends: 2814 [2020-10-23 18:33:53,278 INFO L226 Difference]: Without dead ends: 1894 [2020-10-23 18:33:53,284 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 18:33:53,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1894 states. [2020-10-23 18:33:53,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1894 to 1855. [2020-10-23 18:33:53,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1855 states. [2020-10-23 18:33:53,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1855 states to 1855 states and 2450 transitions. [2020-10-23 18:33:53,409 INFO L78 Accepts]: Start accepts. Automaton has 1855 states and 2450 transitions. Word has length 140 [2020-10-23 18:33:53,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:33:53,410 INFO L481 AbstractCegarLoop]: Abstraction has 1855 states and 2450 transitions. [2020-10-23 18:33:53,410 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-23 18:33:53,410 INFO L276 IsEmpty]: Start isEmpty. Operand 1855 states and 2450 transitions. [2020-10-23 18:33:53,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-10-23 18:33:53,421 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:33:53,422 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] [2020-10-23 18:33:53,422 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-23 18:33:53,422 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:33:53,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:33:53,423 INFO L82 PathProgramCache]: Analyzing trace with hash -571715841, now seen corresponding path program 1 times [2020-10-23 18:33:53,423 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:33:53,423 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030268681] [2020-10-23 18:33:53,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:33:53,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:53,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:33:53,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:53,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:33:53,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:53,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-23 18:33:53,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:53,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-23 18:33:53,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:53,741 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 18:33:53,742 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030268681] [2020-10-23 18:33:53,742 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [648388200] [2020-10-23 18:33:53,742 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 18:33:53,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:53,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:33:53,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:33:54,249 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 18:33:54,250 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-23 18:33:54,250 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 10 [2020-10-23 18:33:54,250 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385812044] [2020-10-23 18:33:54,253 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-23 18:33:54,254 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:33:54,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-23 18:33:54,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-23 18:33:54,255 INFO L87 Difference]: Start difference. First operand 1855 states and 2450 transitions. Second operand 10 states. [2020-10-23 18:33:56,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:33:56,330 INFO L93 Difference]: Finished difference Result 4202 states and 5667 transitions. [2020-10-23 18:33:56,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-23 18:33:56,331 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 154 [2020-10-23 18:33:56,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:33:56,345 INFO L225 Difference]: With dead ends: 4202 [2020-10-23 18:33:56,346 INFO L226 Difference]: Without dead ends: 2353 [2020-10-23 18:33:56,351 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2020-10-23 18:33:56,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2353 states. [2020-10-23 18:33:56,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2353 to 2325. [2020-10-23 18:33:56,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2325 states. [2020-10-23 18:33:56,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2325 states to 2325 states and 3026 transitions. [2020-10-23 18:33:56,450 INFO L78 Accepts]: Start accepts. Automaton has 2325 states and 3026 transitions. Word has length 154 [2020-10-23 18:33:56,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:33:56,450 INFO L481 AbstractCegarLoop]: Abstraction has 2325 states and 3026 transitions. [2020-10-23 18:33:56,451 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-23 18:33:56,451 INFO L276 IsEmpty]: Start isEmpty. Operand 2325 states and 3026 transitions. [2020-10-23 18:33:56,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-23 18:33:56,459 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:33:56,460 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] [2020-10-23 18:33:56,675 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:33:56,676 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:33:56,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:33:56,677 INFO L82 PathProgramCache]: Analyzing trace with hash 68968384, now seen corresponding path program 1 times [2020-10-23 18:33:56,678 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:33:56,678 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084131065] [2020-10-23 18:33:56,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:33:56,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:56,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:33:56,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:56,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:33:56,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:56,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-23 18:33:56,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:56,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-23 18:33:56,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:56,987 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 18:33:56,987 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084131065] [2020-10-23 18:33:56,988 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1023359793] [2020-10-23 18:33:56,988 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 18:33:57,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:33:57,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:33:57,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:33:57,481 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 18:33:57,482 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-23 18:33:57,482 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 12 [2020-10-23 18:33:57,483 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30447169] [2020-10-23 18:33:57,483 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-23 18:33:57,485 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:33:57,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-23 18:33:57,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-10-23 18:33:57,489 INFO L87 Difference]: Start difference. First operand 2325 states and 3026 transitions. Second operand 12 states. [2020-10-23 18:33:58,431 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-23 18:34:00,076 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-23 18:34:03,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:34:03,586 INFO L93 Difference]: Finished difference Result 7819 states and 10880 transitions. [2020-10-23 18:34:03,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-23 18:34:03,587 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 157 [2020-10-23 18:34:03,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:34:03,625 INFO L225 Difference]: With dead ends: 7819 [2020-10-23 18:34:03,625 INFO L226 Difference]: Without dead ends: 5500 [2020-10-23 18:34:03,636 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 238 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=263, Invalid=859, Unknown=0, NotChecked=0, Total=1122 [2020-10-23 18:34:03,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5500 states. [2020-10-23 18:34:03,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5500 to 4829. [2020-10-23 18:34:03,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4829 states. [2020-10-23 18:34:03,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4829 states to 4829 states and 5896 transitions. [2020-10-23 18:34:03,815 INFO L78 Accepts]: Start accepts. Automaton has 4829 states and 5896 transitions. Word has length 157 [2020-10-23 18:34:03,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:34:03,815 INFO L481 AbstractCegarLoop]: Abstraction has 4829 states and 5896 transitions. [2020-10-23 18:34:03,815 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-23 18:34:03,816 INFO L276 IsEmpty]: Start isEmpty. Operand 4829 states and 5896 transitions. [2020-10-23 18:34:03,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-10-23 18:34:03,828 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:34:03,828 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] [2020-10-23 18:34:04,041 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:34:04,042 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:34:04,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:34:04,044 INFO L82 PathProgramCache]: Analyzing trace with hash 2103366005, now seen corresponding path program 1 times [2020-10-23 18:34:04,045 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:34:04,045 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507227107] [2020-10-23 18:34:04,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:34:04,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:04,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:34:04,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:04,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:34:04,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:04,482 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 18:34:04,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507227107] [2020-10-23 18:34:04,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1848958741] [2020-10-23 18:34:04,483 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 18:34:04,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:34:04,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:34:04,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:34:04,678 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 18:34:04,678 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-23 18:34:04,678 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-10-23 18:34:04,679 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517505204] [2020-10-23 18:34:04,679 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 18:34:04,680 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:34:04,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 18:34:04,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-23 18:34:04,680 INFO L87 Difference]: Start difference. First operand 4829 states and 5896 transitions. Second operand 3 states. [2020-10-23 18:34:05,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:34:05,338 INFO L93 Difference]: Finished difference Result 9495 states and 11601 transitions. [2020-10-23 18:34:05,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 18:34:05,340 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 160 [2020-10-23 18:34:05,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:34:05,342 INFO L225 Difference]: With dead ends: 9495 [2020-10-23 18:34:05,342 INFO L226 Difference]: Without dead ends: 0 [2020-10-23 18:34:05,362 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 164 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 18:34:05,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-23 18:34:05,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-23 18:34:05,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-23 18:34:05,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-23 18:34:05,364 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 160 [2020-10-23 18:34:05,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:34:05,364 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-23 18:34:05,364 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 18:34:05,365 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-23 18:34:05,365 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-23 18:34:05,578 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:34:05,582 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-23 18:34:06,112 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 35 [2020-10-23 18:34:06,214 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 35 [2020-10-23 18:34:06,375 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 33 [2020-10-23 18:34:07,228 WARN L193 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 45 [2020-10-23 18:34:07,528 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 27 [2020-10-23 18:34:07,671 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 43 [2020-10-23 18:34:07,807 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 43 [2020-10-23 18:34:07,813 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-23 18:34:07,813 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-23 18:34:07,813 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-23 18:34:07,814 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-23 18:34:07,814 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-23 18:34:07,814 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 18:34:07,814 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-23 18:34:07,814 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-10-23 18:34:07,814 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-10-23 18:34:07,815 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-10-23 18:34:07,815 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-10-23 18:34:07,815 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-10-23 18:34:07,815 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-10-23 18:34:07,815 INFO L274 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-10-23 18:34:07,815 INFO L274 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-10-23 18:34:07,815 INFO L274 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-10-23 18:34:07,816 INFO L274 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-10-23 18:34:07,816 INFO L274 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-10-23 18:34:07,816 INFO L274 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-10-23 18:34:07,816 INFO L274 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-10-23 18:34:07,816 INFO L274 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-10-23 18:34:07,816 INFO L274 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-10-23 18:34:07,816 INFO L274 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,817 INFO L274 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,817 INFO L274 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,818 INFO L274 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,818 INFO L274 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,818 INFO L274 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-10-23 18:34:07,818 INFO L274 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-10-23 18:34:07,819 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-10-23 18:34:07,819 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-10-23 18:34:07,819 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-10-23 18:34:07,820 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-10-23 18:34:07,820 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-10-23 18:34:07,820 INFO L274 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-10-23 18:34:07,821 INFO L274 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-10-23 18:34:07,821 INFO L274 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-10-23 18:34:07,821 INFO L274 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-10-23 18:34:07,825 INFO L274 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-10-23 18:34:07,825 INFO L274 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-10-23 18:34:07,825 INFO L274 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,825 INFO L274 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,826 INFO L274 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,827 INFO L274 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,827 INFO L274 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-10-23 18:34:07,827 INFO L274 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,828 INFO L274 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-10-23 18:34:07,828 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-10-23 18:34:07,828 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-10-23 18:34:07,828 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-10-23 18:34:07,828 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-10-23 18:34:07,828 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-10-23 18:34:07,828 INFO L274 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-10-23 18:34:07,829 INFO L274 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-10-23 18:34:07,830 INFO L274 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-10-23 18:34:07,830 INFO L274 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-10-23 18:34:07,830 INFO L274 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-10-23 18:34:07,831 INFO L274 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-10-23 18:34:07,831 INFO L274 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-10-23 18:34:07,831 INFO L274 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-10-23 18:34:07,831 INFO L274 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-10-23 18:34:07,832 INFO L274 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,833 INFO L274 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,833 INFO L274 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,833 INFO L274 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,833 INFO L274 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,833 INFO L274 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-10-23 18:34:07,834 INFO L274 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-10-23 18:34:07,834 INFO L274 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-10-23 18:34:07,835 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-10-23 18:34:07,835 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-10-23 18:34:07,835 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-10-23 18:34:07,835 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-10-23 18:34:07,835 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-10-23 18:34:07,836 INFO L274 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-10-23 18:34:07,836 INFO L274 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-10-23 18:34:07,836 INFO L274 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-10-23 18:34:07,836 INFO L274 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,836 INFO L274 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,836 INFO L274 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,836 INFO L274 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,836 INFO L274 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,836 INFO L274 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-10-23 18:34:07,837 INFO L274 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-10-23 18:34:07,837 INFO L274 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-10-23 18:34:07,837 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-10-23 18:34:07,837 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-10-23 18:34:07,837 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-10-23 18:34:07,837 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-10-23 18:34:07,837 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-10-23 18:34:07,837 INFO L274 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-10-23 18:34:07,837 INFO L274 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-10-23 18:34:07,838 INFO L274 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-10-23 18:34:07,838 INFO L274 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-10-23 18:34:07,838 INFO L274 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-10-23 18:34:07,838 INFO L274 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,838 INFO L274 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,838 INFO L274 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,838 INFO L274 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,838 INFO L274 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,839 INFO L274 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-10-23 18:34:07,839 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-10-23 18:34:07,839 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-10-23 18:34:07,839 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-10-23 18:34:07,839 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-23 18:34:07,839 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-10-23 18:34:07,840 INFO L274 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-10-23 18:34:07,840 INFO L274 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-10-23 18:34:07,840 INFO L274 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-10-23 18:34:07,840 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,840 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,841 INFO L274 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-10-23 18:34:07,841 INFO L274 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-10-23 18:34:07,841 INFO L274 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-10-23 18:34:07,841 INFO L274 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-10-23 18:34:07,841 INFO L274 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-10-23 18:34:07,841 INFO L274 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-10-23 18:34:07,841 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-10-23 18:34:07,841 INFO L274 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,842 INFO L274 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,842 INFO L274 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,842 INFO L274 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,842 INFO L274 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-10-23 18:34:07,842 INFO L274 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,842 INFO L274 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-10-23 18:34:07,842 INFO L274 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,842 INFO L274 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-10-23 18:34:07,843 INFO L274 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-10-23 18:34:07,843 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-10-23 18:34:07,843 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-10-23 18:34:07,843 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-10-23 18:34:07,843 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-10-23 18:34:07,843 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-10-23 18:34:07,843 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-23 18:34:07,843 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-10-23 18:34:07,844 INFO L274 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-10-23 18:34:07,844 INFO L274 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-10-23 18:34:07,844 INFO L274 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-10-23 18:34:07,844 INFO L274 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-10-23 18:34:07,844 INFO L274 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-10-23 18:34:07,844 INFO L274 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,844 INFO L274 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,844 INFO L274 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,845 INFO L274 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,845 INFO L274 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,845 INFO L274 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,845 INFO L274 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-10-23 18:34:07,845 INFO L274 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-10-23 18:34:07,845 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-10-23 18:34:07,845 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-10-23 18:34:07,845 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-10-23 18:34:07,845 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-10-23 18:34:07,846 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-10-23 18:34:07,846 INFO L274 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-10-23 18:34:07,846 INFO L274 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-10-23 18:34:07,846 INFO L274 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-10-23 18:34:07,846 INFO L274 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-10-23 18:34:07,846 INFO L274 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,846 INFO L274 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,846 INFO L274 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,847 INFO L274 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,847 INFO L274 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,847 INFO L274 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,847 INFO L274 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-10-23 18:34:07,847 INFO L274 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-10-23 18:34:07,847 INFO L274 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-10-23 18:34:07,848 INFO L274 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-23 18:34:07,849 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-10-23 18:34:07,849 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-10-23 18:34:07,849 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-10-23 18:34:07,849 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 18:34:07,849 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-10-23 18:34:07,849 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-10-23 18:34:07,850 INFO L274 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-10-23 18:34:07,850 INFO L274 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-10-23 18:34:07,850 INFO L274 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-10-23 18:34:07,850 INFO L274 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-10-23 18:34:07,850 INFO L274 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-10-23 18:34:07,850 INFO L274 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,850 INFO L274 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,850 INFO L274 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,853 INFO L274 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,854 INFO L274 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,854 INFO L274 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,854 INFO L274 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-10-23 18:34:07,854 INFO L274 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-10-23 18:34:07,854 INFO L274 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-10-23 18:34:07,854 INFO L274 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-10-23 18:34:07,854 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-10-23 18:34:07,854 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-10-23 18:34:07,855 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-10-23 18:34:07,855 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-10-23 18:34:07,855 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-10-23 18:34:07,855 INFO L274 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-10-23 18:34:07,855 INFO L274 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-10-23 18:34:07,855 INFO L274 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-10-23 18:34:07,855 INFO L274 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-10-23 18:34:07,855 INFO L274 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,856 INFO L274 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,856 INFO L274 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,856 INFO L274 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,856 INFO L274 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,856 INFO L274 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,856 INFO L274 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-10-23 18:34:07,856 INFO L274 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-10-23 18:34:07,856 INFO L274 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-10-23 18:34:07,856 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-10-23 18:34:07,857 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-10-23 18:34:07,857 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-10-23 18:34:07,857 INFO L270 CegarLoopResult]: At program point L462(line 462) 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 18:34:07,857 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-10-23 18:34:07,857 INFO L274 CegarLoopResult]: For program point L462-1(line 462) no Hoare annotation was computed. [2020-10-23 18:34:07,857 INFO L274 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-10-23 18:34:07,858 INFO L274 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-10-23 18:34:07,858 INFO L274 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-10-23 18:34:07,858 INFO L274 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-10-23 18:34:07,858 INFO L274 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-10-23 18:34:07,858 INFO L274 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-10-23 18:34:07,858 INFO L274 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-10-23 18:34:07,858 INFO L274 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-10-23 18:34:07,858 INFO L274 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,858 INFO L274 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,859 INFO L274 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,859 INFO L274 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,859 INFO L274 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:34:07,859 INFO L274 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-10-23 18:34:07,859 INFO L274 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-10-23 18:34:07,859 INFO L274 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-10-23 18:34:07,859 INFO L274 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-10-23 18:34:07,859 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-23 18:34:07,860 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 18:34:07,860 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-23 18:34:07,860 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-23 18:34:07,860 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 18:34:07,860 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 18:34:07,860 INFO L274 CegarLoopResult]: For program point L608-3(lines 602 619) no Hoare annotation was computed. [2020-10-23 18:34:07,861 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 602 619) no Hoare annotation was computed. [2020-10-23 18:34:07,861 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 18:34:07,862 INFO L274 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-10-23 18:34:07,862 INFO L274 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-10-23 18:34:07,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 06:34:07 BoogieIcfgContainer [2020-10-23 18:34:07,894 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 18:34:07,902 INFO L168 Benchmark]: Toolchain (without parser) took 26147.63 ms. Allocated memory was 151.0 MB in the beginning and 415.2 MB in the end (delta: 264.2 MB). Free memory was 131.2 MB in the beginning and 193.7 MB in the end (delta: -62.5 MB). Peak memory consumption was 250.7 MB. Max. memory is 8.0 GB. [2020-10-23 18:34:07,904 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 151.0 MB. Free memory is still 123.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 18:34:07,905 INFO L168 Benchmark]: CACSL2BoogieTranslator took 853.61 ms. Allocated memory is still 151.0 MB. Free memory was 130.6 MB in the beginning and 124.4 MB in the end (delta: 6.2 MB). Peak memory consumption was 19.6 MB. Max. memory is 8.0 GB. [2020-10-23 18:34:07,905 INFO L168 Benchmark]: Boogie Preprocessor took 151.27 ms. Allocated memory is still 151.0 MB. Free memory was 124.4 MB in the beginning and 119.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-23 18:34:07,906 INFO L168 Benchmark]: RCFGBuilder took 1279.98 ms. Allocated memory is still 151.0 MB. Free memory was 119.7 MB in the beginning and 71.2 MB in the end (delta: 48.4 MB). Peak memory consumption was 48.9 MB. Max. memory is 8.0 GB. [2020-10-23 18:34:07,907 INFO L168 Benchmark]: TraceAbstraction took 23847.72 ms. Allocated memory was 151.0 MB in the beginning and 415.2 MB in the end (delta: 264.2 MB). Free memory was 71.2 MB in the beginning and 193.7 MB in the end (delta: -122.5 MB). Peak memory consumption was 191.6 MB. Max. memory is 8.0 GB. [2020-10-23 18:34:07,917 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 151.0 MB. Free memory is still 123.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 853.61 ms. Allocated memory is still 151.0 MB. Free memory was 130.6 MB in the beginning and 124.4 MB in the end (delta: 6.2 MB). Peak memory consumption was 19.6 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 151.27 ms. Allocated memory is still 151.0 MB. Free memory was 124.4 MB in the beginning and 119.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1279.98 ms. Allocated memory is still 151.0 MB. Free memory was 119.7 MB in the beginning and 71.2 MB in the end (delta: 48.4 MB). Peak memory consumption was 48.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 23847.72 ms. Allocated memory was 151.0 MB in the beginning and 415.2 MB in the end (delta: 264.2 MB). Free memory was 71.2 MB in the beginning and 193.7 MB in the end (delta: -122.5 MB). Peak memory consumption was 191.6 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: 21.4s, OverallIterations: 6, TraceHistogramMax: 4, AutomataDifference: 16.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 236 SDtfs, 4275 SDslu, 398 SDs, 0 SdLazy, 6929 SolverSat, 1643 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 590 GetRequests, 514 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 284 ImplicationChecksByTransitivity, 3.1s 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: 0.5s AutomataMinimizationTime, 6 MinimizatonAttempts, 763 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 212 PreInvPairs, 280 NumberOfFragments, 475 HoareAnnotationTreeSize, 212 FomulaSimplifications, 20644 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 9 FomulaSimplificationsInter, 5293 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 1309 NumberOfCodeBlocks, 1309 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1300 ConstructedInterpolants, 0 QuantifiedInterpolants, 673465 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...