/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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_label03.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 11:24:17,934 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 11:24:17,936 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 11:24:17,954 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 11:24:17,954 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 11:24:17,956 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 11:24:17,958 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 11:24:17,967 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 11:24:17,969 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 11:24:17,970 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 11:24:17,971 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 11:24:17,972 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 11:24:17,973 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 11:24:17,974 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 11:24:17,976 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 11:24:17,978 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 11:24:17,978 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 11:24:17,979 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 11:24:17,983 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 11:24:17,989 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 11:24:17,991 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 11:24:17,993 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 11:24:17,994 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 11:24:17,995 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 11:24:17,998 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-07 11:24:18,010 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 11:24:18,011 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 11:24:18,012 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 11:24:18,013 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 [2020-07-07 11:24:18,046 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 11:24:18,046 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 11:24:18,047 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-07 11:24:18,048 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-07 11:24:18,048 INFO L138 SettingsManager]: * Use SBE=true [2020-07-07 11:24:18,049 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 11:24:18,049 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 11:24:18,049 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 11:24:18,049 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 11:24:18,053 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 11:24:18,053 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 11:24:18,054 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 11:24:18,054 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 11:24:18,054 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 11:24:18,054 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 11:24:18,054 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 11:24:18,055 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 11:24:18,055 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 11:24:18,055 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-07 11:24:18,055 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 11:24:18,055 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 11:24:18,056 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 11:24:18,056 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 11:24:18,056 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-07 11:24:18,056 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-07 11:24:18,056 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-07 11:24:18,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-07 11:24:18,057 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 11:24:18,057 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-07 11:24:18,057 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-07 11:24:18,307 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 11:24:18,324 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 11:24:18,327 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 11:24:18,328 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 11:24:18,329 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 11:24:18,329 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label03.c [2020-07-07 11:24:18,388 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a46b7860d/a5d6280ea73d4121a6d86568c75b1df9/FLAG2379fc8b6 [2020-07-07 11:24:18,935 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 11:24:18,936 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label03.c [2020-07-07 11:24:18,955 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a46b7860d/a5d6280ea73d4121a6d86568c75b1df9/FLAG2379fc8b6 [2020-07-07 11:24:19,240 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a46b7860d/a5d6280ea73d4121a6d86568c75b1df9 [2020-07-07 11:24:19,251 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 11:24:19,253 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 11:24:19,257 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 11:24:19,257 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 11:24:19,260 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 11:24:19,261 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 11:24:19" (1/1) ... [2020-07-07 11:24:19,264 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@786be218 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:24:19, skipping insertion in model container [2020-07-07 11:24:19,264 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 11:24:19" (1/1) ... [2020-07-07 11:24:19,273 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 11:24:19,333 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 11:24:19,870 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 11:24:19,875 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 11:24:20,005 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 11:24:20,024 INFO L208 MainTranslator]: Completed translation [2020-07-07 11:24:20,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:24:20 WrapperNode [2020-07-07 11:24:20,024 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 11:24:20,025 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 11:24:20,025 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 11:24:20,026 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 11:24:20,039 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:24:20" (1/1) ... [2020-07-07 11:24:20,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:24:20" (1/1) ... [2020-07-07 11:24:20,082 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:24:20" (1/1) ... [2020-07-07 11:24:20,083 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:24:20" (1/1) ... [2020-07-07 11:24:20,152 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:24:20" (1/1) ... [2020-07-07 11:24:20,170 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:24:20" (1/1) ... [2020-07-07 11:24:20,179 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:24:20" (1/1) ... [2020-07-07 11:24:20,187 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 11:24:20,187 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 11:24:20,187 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 11:24:20,187 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 11:24:20,188 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:24:20" (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 [2020-07-07 11:24:20,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 11:24:20,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 11:24:20,258 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-07 11:24:20,259 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 11:24:20,259 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-07 11:24:20,259 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 11:24:20,260 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 11:24:20,260 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-07 11:24:20,260 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 11:24:20,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 11:24:20,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 11:24:21,367 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 11:24:21,368 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-07 11:24:21,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 11:24:21 BoogieIcfgContainer [2020-07-07 11:24:21,377 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 11:24:21,380 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 11:24:21,380 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 11:24:21,383 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 11:24:21,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 11:24:19" (1/3) ... [2020-07-07 11:24:21,384 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2266b62e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 11:24:21, skipping insertion in model container [2020-07-07 11:24:21,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 11:24:20" (2/3) ... [2020-07-07 11:24:21,385 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2266b62e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 11:24:21, skipping insertion in model container [2020-07-07 11:24:21,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 11:24:21" (3/3) ... [2020-07-07 11:24:21,388 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label03.c [2020-07-07 11:24:21,398 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-07 11:24:21,408 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 11:24:21,422 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 11:24:21,453 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 11:24:21,454 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 11:24:21,454 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-07 11:24:21,454 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 11:24:21,455 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 11:24:21,455 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 11:24:21,455 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 11:24:21,455 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 11:24:21,482 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-07-07 11:24:21,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-07-07 11:24:21,506 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:24:21,507 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:24:21,507 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:24:21,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:24:21,514 INFO L82 PathProgramCache]: Analyzing trace with hash 1255491721, now seen corresponding path program 1 times [2020-07-07 11:24:21,523 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:24:21,523 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639507768] [2020-07-07 11:24:21,523 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:24:21,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:24:22,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:24:22,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:24:22,111 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639507768] [2020-07-07 11:24:22,112 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 11:24:22,113 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 11:24:22,114 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051327129] [2020-07-07 11:24:22,120 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-07 11:24:22,120 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:24:22,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-07 11:24:22,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-07 11:24:22,143 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2020-07-07 11:24:24,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:24:24,359 INFO L93 Difference]: Finished difference Result 784 states and 1378 transitions. [2020-07-07 11:24:24,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-07 11:24:24,362 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 135 [2020-07-07 11:24:24,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:24:24,395 INFO L225 Difference]: With dead ends: 784 [2020-07-07 11:24:24,395 INFO L226 Difference]: Without dead ends: 480 [2020-07-07 11:24:24,403 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-07 11:24:24,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2020-07-07 11:24:24,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 473. [2020-07-07 11:24:24,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 473 states. [2020-07-07 11:24:24,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 640 transitions. [2020-07-07 11:24:24,487 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 640 transitions. Word has length 135 [2020-07-07 11:24:24,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:24:24,488 INFO L479 AbstractCegarLoop]: Abstraction has 473 states and 640 transitions. [2020-07-07 11:24:24,488 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-07 11:24:24,488 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 640 transitions. [2020-07-07 11:24:24,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-07-07 11:24:24,496 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:24:24,496 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:24:24,496 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 11:24:24,497 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:24:24,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:24:24,497 INFO L82 PathProgramCache]: Analyzing trace with hash -711149059, now seen corresponding path program 1 times [2020-07-07 11:24:24,497 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:24:24,498 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679323129] [2020-07-07 11:24:24,498 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:24:24,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:24:24,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:24:24,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:24:24,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:24:24,755 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-07 11:24:24,755 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679323129] [2020-07-07 11:24:24,756 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [781550605] [2020-07-07 11:24:24,756 INFO L94 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 [2020-07-07 11:24:24,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:24:24,860 INFO L264 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-07 11:24:24,871 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:24:24,989 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-07 11:24:24,990 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 11:24:24,990 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2020-07-07 11:24:24,991 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143944117] [2020-07-07 11:24:24,992 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 11:24:24,993 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:24:24,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 11:24:24,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-07-07 11:24:24,993 INFO L87 Difference]: Start difference. First operand 473 states and 640 transitions. Second operand 3 states. [2020-07-07 11:24:25,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:24:25,589 INFO L93 Difference]: Finished difference Result 1378 states and 1894 transitions. [2020-07-07 11:24:25,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 11:24:25,593 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 152 [2020-07-07 11:24:25,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:24:25,604 INFO L225 Difference]: With dead ends: 1378 [2020-07-07 11:24:25,605 INFO L226 Difference]: Without dead ends: 911 [2020-07-07 11:24:25,608 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-07-07 11:24:25,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 911 states. [2020-07-07 11:24:25,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 911 to 765. [2020-07-07 11:24:25,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 765 states. [2020-07-07 11:24:25,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 765 states and 1083 transitions. [2020-07-07 11:24:25,664 INFO L78 Accepts]: Start accepts. Automaton has 765 states and 1083 transitions. Word has length 152 [2020-07-07 11:24:25,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:24:25,665 INFO L479 AbstractCegarLoop]: Abstraction has 765 states and 1083 transitions. [2020-07-07 11:24:25,665 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 11:24:25,665 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 1083 transitions. [2020-07-07 11:24:25,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-07-07 11:24:25,674 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:24:25,674 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:24:25,889 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-07-07 11:24:25,890 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:24:25,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:24:25,891 INFO L82 PathProgramCache]: Analyzing trace with hash -1135567371, now seen corresponding path program 1 times [2020-07-07 11:24:25,892 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:24:25,892 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952956077] [2020-07-07 11:24:25,893 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:24:25,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:24:26,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:24:26,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:24:26,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:24:26,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:24:26,175 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 44 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-07 11:24:26,176 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952956077] [2020-07-07 11:24:26,176 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [951642299] [2020-07-07 11:24:26,176 INFO L94 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 [2020-07-07 11:24:26,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:24:26,285 INFO L264 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-07 11:24:26,307 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:24:26,407 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 56 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-07 11:24:26,407 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 11:24:26,408 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 12 [2020-07-07 11:24:26,408 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552491137] [2020-07-07 11:24:26,410 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-07 11:24:26,410 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:24:26,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-07 11:24:26,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-07-07 11:24:26,411 INFO L87 Difference]: Start difference. First operand 765 states and 1083 transitions. Second operand 12 states. [2020-07-07 11:24:26,582 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2020-07-07 11:24:26,889 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 59 [2020-07-07 11:24:27,149 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2020-07-07 11:24:30,015 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2020-07-07 11:24:30,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:24:30,808 INFO L93 Difference]: Finished difference Result 2347 states and 3426 transitions. [2020-07-07 11:24:30,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-07-07 11:24:30,809 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 182 [2020-07-07 11:24:30,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:24:30,822 INFO L225 Difference]: With dead ends: 2347 [2020-07-07 11:24:30,823 INFO L226 Difference]: Without dead ends: 1588 [2020-07-07 11:24:30,827 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 351 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=293, Invalid=1189, Unknown=0, NotChecked=0, Total=1482 [2020-07-07 11:24:30,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1588 states. [2020-07-07 11:24:30,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1588 to 1574. [2020-07-07 11:24:30,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1574 states. [2020-07-07 11:24:30,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1574 states to 1574 states and 1977 transitions. [2020-07-07 11:24:30,916 INFO L78 Accepts]: Start accepts. Automaton has 1574 states and 1977 transitions. Word has length 182 [2020-07-07 11:24:30,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:24:30,916 INFO L479 AbstractCegarLoop]: Abstraction has 1574 states and 1977 transitions. [2020-07-07 11:24:30,916 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-07 11:24:30,917 INFO L276 IsEmpty]: Start isEmpty. Operand 1574 states and 1977 transitions. [2020-07-07 11:24:30,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-07-07 11:24:30,925 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:24:30,925 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:24:31,140 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:24:31,141 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:24:31,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:24:31,142 INFO L82 PathProgramCache]: Analyzing trace with hash -367597717, now seen corresponding path program 1 times [2020-07-07 11:24:31,143 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:24:31,143 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895149564] [2020-07-07 11:24:31,144 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:24:31,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:24:31,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:24:31,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:24:31,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:24:31,406 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 102 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-07 11:24:31,406 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895149564] [2020-07-07 11:24:31,406 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [361952608] [2020-07-07 11:24:31,407 INFO L94 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 [2020-07-07 11:24:31,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:24:31,542 INFO L264 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-07 11:24:31,547 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:24:31,645 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 103 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 11:24:31,646 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-07 11:24:31,646 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 9 [2020-07-07 11:24:31,647 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672943223] [2020-07-07 11:24:31,648 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-07 11:24:31,648 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:24:31,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-07 11:24:31,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-07-07 11:24:31,649 INFO L87 Difference]: Start difference. First operand 1574 states and 1977 transitions. Second operand 9 states. [2020-07-07 11:24:33,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:24:33,148 INFO L93 Difference]: Finished difference Result 3925 states and 5044 transitions. [2020-07-07 11:24:33,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-07 11:24:33,149 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 216 [2020-07-07 11:24:33,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:24:33,163 INFO L225 Difference]: With dead ends: 3925 [2020-07-07 11:24:33,163 INFO L226 Difference]: Without dead ends: 2197 [2020-07-07 11:24:33,169 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-07-07 11:24:33,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2197 states. [2020-07-07 11:24:33,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2197 to 2164. [2020-07-07 11:24:33,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2164 states. [2020-07-07 11:24:33,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2164 states to 2164 states and 2575 transitions. [2020-07-07 11:24:33,236 INFO L78 Accepts]: Start accepts. Automaton has 2164 states and 2575 transitions. Word has length 216 [2020-07-07 11:24:33,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:24:33,236 INFO L479 AbstractCegarLoop]: Abstraction has 2164 states and 2575 transitions. [2020-07-07 11:24:33,236 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-07 11:24:33,237 INFO L276 IsEmpty]: Start isEmpty. Operand 2164 states and 2575 transitions. [2020-07-07 11:24:33,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-07-07 11:24:33,245 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 11:24:33,246 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 11:24:33,459 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:24:33,460 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 11:24:33,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 11:24:33,460 INFO L82 PathProgramCache]: Analyzing trace with hash -347110296, now seen corresponding path program 1 times [2020-07-07 11:24:33,461 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-07 11:24:33,461 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286896910] [2020-07-07 11:24:33,461 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 11:24:33,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:24:33,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:24:33,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:24:33,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:24:33,808 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 89 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-07 11:24:33,809 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286896910] [2020-07-07 11:24:33,809 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [227951776] [2020-07-07 11:24:33,809 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:24:33,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 11:24:33,898 INFO L264 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-07 11:24:33,902 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-07 11:24:33,999 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-07 11:24:33,999 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-07 11:24:34,000 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2020-07-07 11:24:34,000 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198002576] [2020-07-07 11:24:34,001 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-07 11:24:34,001 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-07 11:24:34,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-07 11:24:34,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-07-07 11:24:34,002 INFO L87 Difference]: Start difference. First operand 2164 states and 2575 transitions. Second operand 3 states. [2020-07-07 11:24:34,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 11:24:34,443 INFO L93 Difference]: Finished difference Result 4157 states and 4977 transitions. [2020-07-07 11:24:34,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-07 11:24:34,445 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 220 [2020-07-07 11:24:34,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 11:24:34,450 INFO L225 Difference]: With dead ends: 4157 [2020-07-07 11:24:34,450 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 11:24:34,464 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-07-07 11:24:34,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 11:24:34,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 11:24:34,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 11:24:34,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 11:24:34,465 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 220 [2020-07-07 11:24:34,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 11:24:34,466 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 11:24:34,466 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-07 11:24:34,466 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 11:24:34,466 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 11:24:34,679 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-07 11:24:34,682 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 11:24:35,786 WARN L193 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 47 [2020-07-07 11:24:36,063 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 41 [2020-07-07 11:24:36,304 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 41 [2020-07-07 11:24:36,309 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-07 11:24:36,310 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a11~0 |old(~a11~0)|) (= ~z~0 |old(~z~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~v~0 |old(~v~0)|) (= ~a17~0 |old(~a17~0)|) (= ~y~0 |old(~y~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|) (= ~d~0 |old(~d~0)|)) [2020-07-07 11:24:36,310 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-07 11:24:36,310 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:24:36,310 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:24:36,311 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:24:36,311 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:24:36,311 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:24:36,311 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-07-07 11:24:36,311 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-07-07 11:24:36,311 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-07 11:24:36,312 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-07-07 11:24:36,312 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-07-07 11:24:36,312 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-07 11:24:36,312 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-07-07 11:24:36,312 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-07-07 11:24:36,312 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-07-07 11:24:36,312 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-07-07 11:24:36,313 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-07-07 11:24:36,313 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-07-07 11:24:36,313 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-07-07 11:24:36,313 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:24:36,313 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:24:36,313 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:24:36,313 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:24:36,314 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-07-07 11:24:36,314 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:24:36,314 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-07-07 11:24:36,314 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-07-07 11:24:36,314 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-07-07 11:24:36,314 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-07-07 11:24:36,314 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-07-07 11:24:36,315 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-07-07 11:24:36,315 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-07-07 11:24:36,315 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-07-07 11:24:36,315 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-07-07 11:24:36,315 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-07-07 11:24:36,315 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-07-07 11:24:36,315 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-07-07 11:24:36,316 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-07-07 11:24:36,316 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-07-07 11:24:36,316 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-07-07 11:24:36,316 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:24:36,316 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:24:36,316 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:24:36,316 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:24:36,317 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:24:36,317 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 559) no Hoare annotation was computed. [2020-07-07 11:24:36,317 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-07-07 11:24:36,317 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-07-07 11:24:36,317 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-07-07 11:24:36,317 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-07 11:24:36,317 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-07-07 11:24:36,318 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-07 11:24:36,318 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-07-07 11:24:36,318 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-07 11:24:36,318 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-07-07 11:24:36,318 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-07-07 11:24:36,318 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-07-07 11:24:36,318 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:24:36,319 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:24:36,319 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:24:36,319 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:24:36,319 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:24:36,319 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-07-07 11:24:36,319 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-07-07 11:24:36,319 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-07-07 11:24:36,319 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-07-07 11:24:36,320 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-07-07 11:24:36,320 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-07-07 11:24:36,320 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-07 11:24:36,320 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-07-07 11:24:36,320 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-07-07 11:24:36,320 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-07-07 11:24:36,320 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-07-07 11:24:36,320 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-07-07 11:24:36,321 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-07-07 11:24:36,321 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:24:36,321 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:24:36,321 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:24:36,321 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:24:36,321 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:24:36,321 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-07-07 11:24:36,322 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-07 11:24:36,322 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-07-07 11:24:36,322 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-07-07 11:24:36,322 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-07 11:24:36,322 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-07-07 11:24:36,322 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-07-07 11:24:36,322 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-07-07 11:24:36,322 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-07-07 11:24:36,323 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-07-07 11:24:36,323 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-07-07 11:24:36,323 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-07-07 11:24:36,323 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-07-07 11:24:36,323 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-07-07 11:24:36,323 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-07-07 11:24:36,323 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-07-07 11:24:36,323 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:24:36,324 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:24:36,324 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:24:36,324 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:24:36,324 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-07-07 11:24:36,324 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:24:36,324 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-07-07 11:24:36,324 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:24:36,324 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-07-07 11:24:36,325 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-07-07 11:24:36,325 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-07-07 11:24:36,325 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:24:36,325 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:24:36,325 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-07 11:24:36,325 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-07-07 11:24:36,325 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-07-07 11:24:36,326 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-07 11:24:36,326 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-07 11:24:36,326 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-07-07 11:24:36,326 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-07-07 11:24:36,326 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-07-07 11:24:36,326 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-07-07 11:24:36,326 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-07-07 11:24:36,327 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-07-07 11:24:36,327 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:24:36,327 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:24:36,327 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:24:36,327 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:24:36,327 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:24:36,327 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:24:36,328 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-07-07 11:24:36,328 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-07 11:24:36,328 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-07 11:24:36,328 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-07 11:24:36,328 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-07 11:24:36,328 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-07 11:24:36,328 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-07-07 11:24:36,329 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-07-07 11:24:36,329 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-07-07 11:24:36,329 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-07-07 11:24:36,329 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-07-07 11:24:36,329 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:24:36,329 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:24:36,329 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:24:36,329 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:24:36,330 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:24:36,330 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:24:36,330 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-07-07 11:24:36,330 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-07-07 11:24:36,330 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-07-07 11:24:36,330 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-07 11:24:36,330 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-07 11:24:36,330 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-07-07 11:24:36,331 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-07 11:24:36,331 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-07 11:24:36,331 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-07-07 11:24:36,331 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-07-07 11:24:36,331 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-07-07 11:24:36,331 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-07-07 11:24:36,331 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-07-07 11:24:36,331 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-07-07 11:24:36,332 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:24:36,332 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:24:36,332 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:24:36,332 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse10 (= ~a11~0 |old(~a11~0)|)) (.cse11 (= ~a17~0 |old(~a17~0)|)) (.cse12 (= ~a19~0 |old(~a19~0)|)) (.cse13 (= ~a28~0 |old(~a28~0)|)) (.cse1 (= 1 |old(~a25~0)|))) (let ((.cse6 (not .cse1)) (.cse7 (and .cse10 .cse11 .cse12 .cse13 (= 1 ~a25~0))) (.cse0 (not (= 1 |old(~a19~0)|))) (.cse9 (not (<= |old(~a28~0)| 7))) (.cse3 (not (<= 10 |old(~a28~0)|))) (.cse5 (not (<= 8 |old(~a17~0)|))) (.cse8 (not (<= |old(~a19~0)| 0))) (.cse2 (and .cse10 .cse11 .cse12 .cse13 (= ~a25~0 |old(~a25~0)|))) (.cse4 (not (<= |old(~a17~0)| 8)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7 .cse4) (or .cse6 .cse8 .cse7 .cse4) (or .cse0 .cse9 .cse2 .cse4) (or .cse0 (= 8 |old(~a28~0)|) .cse5 .cse2 .cse4) (or .cse9 .cse8 .cse2 .cse4) (or .cse2 .cse8 .cse3 .cse4) (or .cse5 .cse8 .cse2 .cse4)))) [2020-07-07 11:24:36,332 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:24:36,332 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:24:36,333 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:24:36,333 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-07-07 11:24:36,333 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-07-07 11:24:36,333 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-07-07 11:24:36,333 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-07 11:24:36,333 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-07 11:24:36,333 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-07 11:24:36,333 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-07-07 11:24:36,334 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-07 11:24:36,334 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-07-07 11:24:36,334 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-07-07 11:24:36,334 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-07-07 11:24:36,334 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-07-07 11:24:36,334 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-07-07 11:24:36,334 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:24:36,334 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:24:36,335 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:24:36,335 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:24:36,335 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:24:36,335 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:24:36,335 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-07-07 11:24:36,335 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-07-07 11:24:36,335 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-07 11:24:36,335 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-07-07 11:24:36,335 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-07-07 11:24:36,336 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-07 11:24:36,336 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-07 11:24:36,336 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-07-07 11:24:36,336 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-07-07 11:24:36,336 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-07-07 11:24:36,336 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-07-07 11:24:36,336 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-07-07 11:24:36,336 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-07-07 11:24:36,336 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-07-07 11:24:36,337 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-07-07 11:24:36,337 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-07-07 11:24:36,337 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:24:36,337 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:24:36,337 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:24:36,337 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:24:36,337 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-07-07 11:24:36,337 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-07-07 11:24:36,337 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-07-07 11:24:36,338 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-07-07 11:24:36,338 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-07-07 11:24:36,338 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-07 11:24:36,338 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-07-07 11:24:36,338 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-07-07 11:24:36,338 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-07 11:24:36,338 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-07 11:24:36,338 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-07-07 11:24:36,338 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-07-07 11:24:36,339 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-07-07 11:24:36,339 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-07-07 11:24:36,339 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-07-07 11:24:36,339 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-07-07 11:24:36,339 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-07-07 11:24:36,339 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-07-07 11:24:36,339 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-07-07 11:24:36,339 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-07-07 11:24:36,339 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-07 11:24:36,340 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a19~0) (<= ~a17~0 8) (<= 8 ~a17~0) (not (= 1 ~a25~0)) (<= ~a28~0 7)) [2020-07-07 11:24:36,340 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-07 11:24:36,340 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-07 11:24:36,340 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 |old(~a19~0)|)) (= 1 |old(~a25~0)|) (not (<= |old(~a28~0)| 7)) (not (<= 8 |old(~a17~0)|)) (and (= ~a11~0 |old(~a11~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|)) (not (<= |old(~a17~0)| 8))) [2020-07-07 11:24:36,340 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse4 (<= ~a28~0 7)) (.cse1 (<= ~a19~0 0)) (.cse6 (<= 10 ~a28~0)) (.cse2 (= 1 ~a25~0)) (.cse3 (= 1 ~a19~0)) (.cse0 (<= ~a17~0 8)) (.cse5 (<= 8 ~a17~0))) (or (not (= 1 |old(~a19~0)|)) (not (<= |old(~a28~0)| 7)) (and .cse0 .cse1 .cse2) (not (<= 8 |old(~a17~0)|)) (and .cse3 .cse0 .cse4 .cse2) (and .cse3 .cse0 .cse5 .cse2) (= 1 |old(~a25~0)|) (and .cse0 .cse1 .cse4) (and .cse0 .cse5 .cse1) (and .cse0 .cse6 .cse1) (and .cse3 .cse0 .cse6 (not .cse2)) (and .cse3 .cse0 .cse5 (not (= 8 ~a28~0))) (not (<= |old(~a17~0)| 8)))) [2020-07-07 11:24:36,341 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-07-07 11:24:36,341 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-07-07 11:24:36,341 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse4 (<= ~a28~0 7)) (.cse1 (<= ~a19~0 0)) (.cse6 (<= 10 ~a28~0)) (.cse2 (= 1 ~a25~0)) (.cse3 (= 1 ~a19~0)) (.cse0 (<= ~a17~0 8)) (.cse5 (<= 8 ~a17~0))) (or (not (= 1 |old(~a19~0)|)) (not (<= |old(~a28~0)| 7)) (and .cse0 .cse1 .cse2) (not (<= 8 |old(~a17~0)|)) (and .cse3 .cse0 .cse4 .cse2) (and .cse3 .cse0 .cse5 .cse2) (= 1 |old(~a25~0)|) (and .cse0 .cse1 .cse4) (and .cse0 .cse5 .cse1) (and .cse0 .cse6 .cse1) (and .cse3 .cse0 .cse6 (not .cse2)) (and .cse3 .cse0 .cse5 (not (= 8 ~a28~0))) (not (<= |old(~a17~0)| 8)))) [2020-07-07 11:24:36,341 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-07-07 11:24:36,341 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-07-07 11:24:36,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 11:24:36 BoogieIcfgContainer [2020-07-07 11:24:36,364 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 11:24:36,370 INFO L168 Benchmark]: Toolchain (without parser) took 17114.18 ms. Allocated memory was 146.3 MB in the beginning and 467.7 MB in the end (delta: 321.4 MB). Free memory was 101.0 MB in the beginning and 304.8 MB in the end (delta: -203.8 MB). Peak memory consumption was 334.6 MB. Max. memory is 7.1 GB. [2020-07-07 11:24:36,370 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 146.3 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-07 11:24:36,371 INFO L168 Benchmark]: CACSL2BoogieTranslator took 768.07 ms. Allocated memory was 146.3 MB in the beginning and 206.0 MB in the end (delta: 59.8 MB). Free memory was 100.8 MB in the beginning and 172.6 MB in the end (delta: -71.9 MB). Peak memory consumption was 29.9 MB. Max. memory is 7.1 GB. [2020-07-07 11:24:36,372 INFO L168 Benchmark]: Boogie Preprocessor took 161.56 ms. Allocated memory is still 206.0 MB. Free memory was 172.6 MB in the beginning and 167.9 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-07-07 11:24:36,373 INFO L168 Benchmark]: RCFGBuilder took 1190.92 ms. Allocated memory was 206.0 MB in the beginning and 238.6 MB in the end (delta: 32.5 MB). Free memory was 167.9 MB in the beginning and 180.7 MB in the end (delta: -12.8 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB. [2020-07-07 11:24:36,374 INFO L168 Benchmark]: TraceAbstraction took 14984.85 ms. Allocated memory was 238.6 MB in the beginning and 467.7 MB in the end (delta: 229.1 MB). Free memory was 180.7 MB in the beginning and 304.8 MB in the end (delta: -124.1 MB). Peak memory consumption was 322.0 MB. Max. memory is 7.1 GB. [2020-07-07 11:24:36,378 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 146.3 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 768.07 ms. Allocated memory was 146.3 MB in the beginning and 206.0 MB in the end (delta: 59.8 MB). Free memory was 100.8 MB in the beginning and 172.6 MB in the end (delta: -71.9 MB). Peak memory consumption was 29.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 161.56 ms. Allocated memory is still 206.0 MB. Free memory was 172.6 MB in the beginning and 167.9 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1190.92 ms. Allocated memory was 206.0 MB in the beginning and 238.6 MB in the end (delta: 32.5 MB). Free memory was 167.9 MB in the beginning and 180.7 MB in the end (delta: -12.8 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 14984.85 ms. Allocated memory was 238.6 MB in the beginning and 467.7 MB in the end (delta: 229.1 MB). Free memory was 180.7 MB in the beginning and 304.8 MB in the end (delta: -124.1 MB). Peak memory consumption was 322.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 559]: 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: 606]: Loop Invariant Derived loop invariant: (((((((((((!(1 == \old(a19)) || !(\old(a28) <= 7)) || ((a17 <= 8 && a19 <= 0) && 1 == a25)) || !(8 <= \old(a17))) || (((1 == a19 && a17 <= 8) && a28 <= 7) && 1 == a25)) || (((1 == a19 && a17 <= 8) && 8 <= a17) && 1 == a25)) || 1 == \old(a25)) || ((a17 <= 8 && a19 <= 0) && a28 <= 7)) || ((a17 <= 8 && 8 <= a17) && a19 <= 0)) || ((a17 <= 8 && 10 <= a28) && a19 <= 0)) || (((1 == a19 && a17 <= 8) && 10 <= a28) && !(1 == a25))) || (((1 == a19 && a17 <= 8) && 8 <= a17) && !(8 == a28))) || !(\old(a17) <= 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.2s, OverallIterations: 5, TraceHistogramMax: 4, AutomataDifference: 9.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 385 SDtfs, 3418 SDslu, 285 SDs, 0 SdLazy, 4917 SolverSat, 1424 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 882 GetRequests, 813 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 388 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2164occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 200 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 63 PreInvPairs, 101 NumberOfFragments, 577 HoareAnnotationTreeSize, 63 FomulaSimplifications, 3154 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1826 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1675 NumberOfCodeBlocks, 1675 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1666 ConstructedInterpolants, 0 QuantifiedInterpolants, 848595 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1824 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 9 InterpolantComputations, 3 PerfectInterpolantSequences, 535/558 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...