/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/Problem10_label54.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 13:39:04,693 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 13:39:04,696 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 13:39:04,723 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 13:39:04,724 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 13:39:04,725 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 13:39:04,726 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 13:39:04,728 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 13:39:04,730 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 13:39:04,731 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 13:39:04,732 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 13:39:04,733 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 13:39:04,734 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 13:39:04,735 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 13:39:04,736 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 13:39:04,737 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 13:39:04,738 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 13:39:04,739 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 13:39:04,741 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 13:39:04,743 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 13:39:04,745 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 13:39:04,746 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 13:39:04,748 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 13:39:04,749 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 13:39:04,753 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-04 13:39:04,768 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 13:39:04,771 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 13:39:04,772 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 13:39:04,774 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-04 13:39:04,828 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 13:39:04,829 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 13:39:04,832 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-04 13:39:04,834 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-04 13:39:04,834 INFO L138 SettingsManager]: * Use SBE=true [2020-09-04 13:39:04,834 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 13:39:04,834 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 13:39:04,834 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 13:39:04,835 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 13:39:04,835 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 13:39:04,835 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 13:39:04,835 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 13:39:04,835 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 13:39:04,836 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 13:39:04,837 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 13:39:04,837 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 13:39:04,837 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 13:39:04,837 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 13:39:04,837 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-04 13:39:04,838 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 13:39:04,838 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 13:39:04,838 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 13:39:04,838 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 13:39:04,838 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-04 13:39:04,839 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-04 13:39:04,839 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-04 13:39:04,839 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-04 13:39:04,839 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 13:39:04,840 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-04 13:39:04,840 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-04 13:39:05,271 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 13:39:05,294 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 13:39:05,299 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 13:39:05,300 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 13:39:05,301 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 13:39:05,302 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label54.c [2020-09-04 13:39:05,402 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/21147b7fa/7dd0bacc774145d5847eee160d094f6d/FLAGba70147f4 [2020-09-04 13:39:06,051 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 13:39:06,052 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label54.c [2020-09-04 13:39:06,065 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/21147b7fa/7dd0bacc774145d5847eee160d094f6d/FLAGba70147f4 [2020-09-04 13:39:06,339 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/21147b7fa/7dd0bacc774145d5847eee160d094f6d [2020-09-04 13:39:06,356 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 13:39:06,358 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 13:39:06,360 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 13:39:06,360 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 13:39:06,366 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 13:39:06,367 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 01:39:06" (1/1) ... [2020-09-04 13:39:06,372 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c9e2a22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:39:06, skipping insertion in model container [2020-09-04 13:39:06,372 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 01:39:06" (1/1) ... [2020-09-04 13:39:06,383 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 13:39:06,456 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 13:39:06,994 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 13:39:07,000 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 13:39:07,177 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 13:39:07,202 INFO L208 MainTranslator]: Completed translation [2020-09-04 13:39:07,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:39:07 WrapperNode [2020-09-04 13:39:07,204 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 13:39:07,204 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 13:39:07,205 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 13:39:07,205 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 13:39:07,224 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:39:07" (1/1) ... [2020-09-04 13:39:07,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:39:07" (1/1) ... [2020-09-04 13:39:07,270 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:39:07" (1/1) ... [2020-09-04 13:39:07,271 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:39:07" (1/1) ... [2020-09-04 13:39:07,357 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:39:07" (1/1) ... [2020-09-04 13:39:07,383 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:39:07" (1/1) ... [2020-09-04 13:39:07,394 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:39:07" (1/1) ... [2020-09-04 13:39:07,407 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 13:39:07,407 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 13:39:07,407 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 13:39:07,407 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 13:39:07,410 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:39:07" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-04 13:39:07,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 13:39:07,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 13:39:07,531 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-04 13:39:07,531 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 13:39:07,532 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-04 13:39:07,532 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 13:39:07,532 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 13:39:07,532 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-04 13:39:07,532 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 13:39:07,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 13:39:07,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 13:39:09,038 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 13:39:09,038 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-04 13:39:09,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 01:39:09 BoogieIcfgContainer [2020-09-04 13:39:09,046 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 13:39:09,047 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 13:39:09,047 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 13:39:09,051 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 13:39:09,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 01:39:06" (1/3) ... [2020-09-04 13:39:09,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f81c2f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 01:39:09, skipping insertion in model container [2020-09-04 13:39:09,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:39:07" (2/3) ... [2020-09-04 13:39:09,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f81c2f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 01:39:09, skipping insertion in model container [2020-09-04 13:39:09,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 01:39:09" (3/3) ... [2020-09-04 13:39:09,056 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label54.c [2020-09-04 13:39:09,066 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-04 13:39:09,077 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 13:39:09,098 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 13:39:09,132 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 13:39:09,133 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 13:39:09,133 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-04 13:39:09,133 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 13:39:09,133 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 13:39:09,133 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 13:39:09,134 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 13:39:09,134 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 13:39:09,164 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-09-04 13:39:09,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-09-04 13:39:09,177 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:39:09,179 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] [2020-09-04 13:39:09,179 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:39:09,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:39:09,188 INFO L82 PathProgramCache]: Analyzing trace with hash 664864703, now seen corresponding path program 1 times [2020-09-04 13:39:09,202 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:39:09,203 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818395673] [2020-09-04 13:39:09,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:39:09,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:09,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:39:09,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:09,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:39:09,687 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818395673] [2020-09-04 13:39:09,688 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 13:39:09,688 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-04 13:39:09,689 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673187636] [2020-09-04 13:39:09,696 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-04 13:39:09,697 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:39:09,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-04 13:39:09,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-04 13:39:09,718 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2020-09-04 13:39:12,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:39:12,091 INFO L93 Difference]: Finished difference Result 730 states and 1301 transitions. [2020-09-04 13:39:12,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-04 13:39:12,093 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 68 [2020-09-04 13:39:12,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:39:12,115 INFO L225 Difference]: With dead ends: 730 [2020-09-04 13:39:12,116 INFO L226 Difference]: Without dead ends: 447 [2020-09-04 13:39:12,126 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 [2020-09-04 13:39:12,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-09-04 13:39:12,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 441. [2020-09-04 13:39:12,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2020-09-04 13:39:12,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 672 transitions. [2020-09-04 13:39:12,234 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 672 transitions. Word has length 68 [2020-09-04 13:39:12,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:39:12,238 INFO L479 AbstractCegarLoop]: Abstraction has 441 states and 672 transitions. [2020-09-04 13:39:12,238 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-04 13:39:12,239 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 672 transitions. [2020-09-04 13:39:12,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-09-04 13:39:12,247 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:39:12,247 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, 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] [2020-09-04 13:39:12,248 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 13:39:12,248 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:39:12,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:39:12,249 INFO L82 PathProgramCache]: Analyzing trace with hash -613948535, now seen corresponding path program 1 times [2020-09-04 13:39:12,249 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:39:12,249 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662487789] [2020-09-04 13:39:12,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:39:12,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:12,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:39:12,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:12,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:39:12,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:12,650 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:39:12,650 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662487789] [2020-09-04 13:39:12,651 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 13:39:12,651 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-04 13:39:12,651 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914913257] [2020-09-04 13:39:12,654 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 13:39:12,654 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:39:12,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 13:39:12,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-04 13:39:12,655 INFO L87 Difference]: Start difference. First operand 441 states and 672 transitions. Second operand 8 states. [2020-09-04 13:39:14,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:39:14,375 INFO L93 Difference]: Finished difference Result 1041 states and 1612 transitions. [2020-09-04 13:39:14,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-04 13:39:14,376 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 141 [2020-09-04 13:39:14,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:39:14,382 INFO L225 Difference]: With dead ends: 1041 [2020-09-04 13:39:14,383 INFO L226 Difference]: Without dead ends: 606 [2020-09-04 13:39:14,385 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-09-04 13:39:14,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2020-09-04 13:39:14,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 592. [2020-09-04 13:39:14,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2020-09-04 13:39:14,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 829 transitions. [2020-09-04 13:39:14,446 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 829 transitions. Word has length 141 [2020-09-04 13:39:14,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:39:14,447 INFO L479 AbstractCegarLoop]: Abstraction has 592 states and 829 transitions. [2020-09-04 13:39:14,447 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 13:39:14,447 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 829 transitions. [2020-09-04 13:39:14,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-09-04 13:39:14,452 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:39:14,452 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, 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] [2020-09-04 13:39:14,452 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-04 13:39:14,453 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:39:14,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:39:14,453 INFO L82 PathProgramCache]: Analyzing trace with hash -628006051, now seen corresponding path program 1 times [2020-09-04 13:39:14,453 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:39:14,454 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034919989] [2020-09-04 13:39:14,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:39:14,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:14,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:39:14,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:14,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:39:14,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:14,862 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 44 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:39:14,863 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034919989] [2020-09-04 13:39:14,863 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1911263258] [2020-09-04 13:39:14,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-04 13:39:14,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:14,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 4 conjunts are in the unsatisfiable core [2020-09-04 13:39:15,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:39:15,110 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:39:15,111 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-09-04 13:39:15,111 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2020-09-04 13:39:15,111 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262806206] [2020-09-04 13:39:15,112 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-04 13:39:15,112 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:39:15,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-04 13:39:15,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-09-04 13:39:15,113 INFO L87 Difference]: Start difference. First operand 592 states and 829 transitions. Second operand 3 states. [2020-09-04 13:39:15,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:39:15,876 INFO L93 Difference]: Finished difference Result 1615 states and 2274 transitions. [2020-09-04 13:39:15,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-04 13:39:15,876 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 147 [2020-09-04 13:39:15,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:39:15,884 INFO L225 Difference]: With dead ends: 1615 [2020-09-04 13:39:15,885 INFO L226 Difference]: Without dead ends: 1029 [2020-09-04 13:39:15,887 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-09-04 13:39:15,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1029 states. [2020-09-04 13:39:15,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1029 to 886. [2020-09-04 13:39:15,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 886 states. [2020-09-04 13:39:15,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 886 states and 1150 transitions. [2020-09-04 13:39:15,928 INFO L78 Accepts]: Start accepts. Automaton has 886 states and 1150 transitions. Word has length 147 [2020-09-04 13:39:15,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:39:15,929 INFO L479 AbstractCegarLoop]: Abstraction has 886 states and 1150 transitions. [2020-09-04 13:39:15,929 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-04 13:39:15,929 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1150 transitions. [2020-09-04 13:39:15,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-09-04 13:39:15,936 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:39:15,936 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, 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] [2020-09-04 13:39:16,149 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-09-04 13:39:16,149 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:39:16,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:39:16,150 INFO L82 PathProgramCache]: Analyzing trace with hash -2103611842, now seen corresponding path program 1 times [2020-09-04 13:39:16,150 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:39:16,151 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389081063] [2020-09-04 13:39:16,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:39:16,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:16,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:39:16,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:16,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:39:16,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:16,529 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:39:16,530 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389081063] [2020-09-04 13:39:16,530 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 13:39:16,530 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-04 13:39:16,531 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679867504] [2020-09-04 13:39:16,531 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 13:39:16,532 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:39:16,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 13:39:16,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-04 13:39:16,532 INFO L87 Difference]: Start difference. First operand 886 states and 1150 transitions. Second operand 8 states. [2020-09-04 13:39:18,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:39:18,466 INFO L93 Difference]: Finished difference Result 2245 states and 2959 transitions. [2020-09-04 13:39:18,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-04 13:39:18,469 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 204 [2020-09-04 13:39:18,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:39:18,477 INFO L225 Difference]: With dead ends: 2245 [2020-09-04 13:39:18,477 INFO L226 Difference]: Without dead ends: 1365 [2020-09-04 13:39:18,480 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-09-04 13:39:18,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1365 states. [2020-09-04 13:39:18,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1365 to 1057. [2020-09-04 13:39:18,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1057 states. [2020-09-04 13:39:18,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 1057 states and 1317 transitions. [2020-09-04 13:39:18,524 INFO L78 Accepts]: Start accepts. Automaton has 1057 states and 1317 transitions. Word has length 204 [2020-09-04 13:39:18,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:39:18,525 INFO L479 AbstractCegarLoop]: Abstraction has 1057 states and 1317 transitions. [2020-09-04 13:39:18,525 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 13:39:18,525 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 1317 transitions. [2020-09-04 13:39:18,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-09-04 13:39:18,530 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:39:18,531 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 13:39:18,531 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-04 13:39:18,531 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:39:18,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:39:18,532 INFO L82 PathProgramCache]: Analyzing trace with hash 1285953245, now seen corresponding path program 1 times [2020-09-04 13:39:18,532 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:39:18,532 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117642820] [2020-09-04 13:39:18,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:39:18,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:18,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:39:18,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:18,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:39:18,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:18,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-04 13:39:18,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:18,937 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 126 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2020-09-04 13:39:18,938 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117642820] [2020-09-04 13:39:18,938 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1553623022] [2020-09-04 13:39:18,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-04 13:39:19,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:19,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 4 conjunts are in the unsatisfiable core [2020-09-04 13:39:19,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:39:19,203 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 190 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:39:19,203 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-04 13:39:19,203 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 12 [2020-09-04 13:39:19,204 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153427892] [2020-09-04 13:39:19,205 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-04 13:39:19,205 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:39:19,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-04 13:39:19,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-09-04 13:39:19,206 INFO L87 Difference]: Start difference. First operand 1057 states and 1317 transitions. Second operand 12 states. [2020-09-04 13:39:24,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:39:24,507 INFO L93 Difference]: Finished difference Result 4899 states and 6453 transitions. [2020-09-04 13:39:24,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-09-04 13:39:24,508 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 228 [2020-09-04 13:39:24,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:39:24,537 INFO L225 Difference]: With dead ends: 4899 [2020-09-04 13:39:24,538 INFO L226 Difference]: Without dead ends: 3848 [2020-09-04 13:39:24,543 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 288 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=234, Invalid=1026, Unknown=0, NotChecked=0, Total=1260 [2020-09-04 13:39:24,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3848 states. [2020-09-04 13:39:24,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3848 to 2825. [2020-09-04 13:39:24,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2825 states. [2020-09-04 13:39:24,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2825 states to 2825 states and 3421 transitions. [2020-09-04 13:39:24,680 INFO L78 Accepts]: Start accepts. Automaton has 2825 states and 3421 transitions. Word has length 228 [2020-09-04 13:39:24,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:39:24,681 INFO L479 AbstractCegarLoop]: Abstraction has 2825 states and 3421 transitions. [2020-09-04 13:39:24,681 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-04 13:39:24,681 INFO L276 IsEmpty]: Start isEmpty. Operand 2825 states and 3421 transitions. [2020-09-04 13:39:24,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2020-09-04 13:39:24,688 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:39:24,690 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 13:39:24,905 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:39:24,908 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:39:24,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:39:24,909 INFO L82 PathProgramCache]: Analyzing trace with hash -1152671735, now seen corresponding path program 1 times [2020-09-04 13:39:24,909 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:39:24,909 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732792702] [2020-09-04 13:39:24,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:39:24,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:25,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:39:25,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:25,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:39:25,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:25,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 13:39:25,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:25,319 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 122 proven. 85 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-04 13:39:25,319 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732792702] [2020-09-04 13:39:25,320 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2067963470] [2020-09-04 13:39:25,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-04 13:39:25,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:25,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 4 conjunts are in the unsatisfiable core [2020-09-04 13:39:25,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:39:25,511 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2020-09-04 13:39:25,511 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-09-04 13:39:25,512 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-09-04 13:39:25,512 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223039867] [2020-09-04 13:39:25,513 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-04 13:39:25,513 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:39:25,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-04 13:39:25,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-04 13:39:25,514 INFO L87 Difference]: Start difference. First operand 2825 states and 3421 transitions. Second operand 3 states. [2020-09-04 13:39:26,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:39:26,275 INFO L93 Difference]: Finished difference Result 5787 states and 7072 transitions. [2020-09-04 13:39:26,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-04 13:39:26,275 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 254 [2020-09-04 13:39:26,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:39:26,276 INFO L225 Difference]: With dead ends: 5787 [2020-09-04 13:39:26,277 INFO L226 Difference]: Without dead ends: 0 [2020-09-04 13:39:26,289 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-04 13:39:26,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-04 13:39:26,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-04 13:39:26,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-04 13:39:26,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-04 13:39:26,290 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 254 [2020-09-04 13:39:26,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:39:26,290 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-04 13:39:26,291 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-04 13:39:26,291 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-04 13:39:26,291 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-04 13:39:26,504 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:39:26,508 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-04 13:39:27,757 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 31 [2020-09-04 13:39:27,887 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 30 [2020-09-04 13:39:27,982 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-04 13:39:27,982 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) [2020-09-04 13:39:27,983 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-04 13:39:27,983 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-09-04 13:39:27,983 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:27,983 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:27,984 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:27,984 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:27,984 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:27,984 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:27,984 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-09-04 13:39:27,984 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-09-04 13:39:27,984 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-09-04 13:39:27,984 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-09-04 13:39:27,984 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-09-04 13:39:27,985 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-09-04 13:39:27,985 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-09-04 13:39:27,985 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-09-04 13:39:27,985 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-09-04 13:39:27,985 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-09-04 13:39:27,985 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-09-04 13:39:27,985 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:27,985 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:27,986 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:27,986 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:27,986 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:27,986 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-09-04 13:39:27,986 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-09-04 13:39:27,986 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-09-04 13:39:27,986 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-09-04 13:39:27,987 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-09-04 13:39:27,987 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-09-04 13:39:27,987 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-09-04 13:39:27,987 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-09-04 13:39:27,987 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-09-04 13:39:27,987 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-09-04 13:39:27,987 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-09-04 13:39:27,988 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-09-04 13:39:27,988 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-09-04 13:39:27,988 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 190) no Hoare annotation was computed. [2020-09-04 13:39:27,988 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-09-04 13:39:27,988 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:27,988 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:27,988 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:27,989 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:27,989 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:27,989 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-09-04 13:39:27,989 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-09-04 13:39:27,989 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-09-04 13:39:27,989 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-09-04 13:39:27,989 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-09-04 13:39:27,989 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-09-04 13:39:27,990 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-09-04 13:39:27,990 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-09-04 13:39:27,990 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-09-04 13:39:27,990 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-09-04 13:39:27,990 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:27,990 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:27,990 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:27,990 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:27,991 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:27,991 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-09-04 13:39:27,991 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-09-04 13:39:27,991 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-09-04 13:39:27,991 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-09-04 13:39:27,991 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-09-04 13:39:27,991 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-09-04 13:39:27,992 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-09-04 13:39:27,992 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-09-04 13:39:27,992 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-09-04 13:39:27,992 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-09-04 13:39:27,992 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-09-04 13:39:27,992 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-09-04 13:39:27,992 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-09-04 13:39:27,992 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:27,993 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:27,993 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:27,993 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:27,993 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:27,993 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-09-04 13:39:27,993 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-09-04 13:39:27,993 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-09-04 13:39:27,994 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-09-04 13:39:27,994 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-09-04 13:39:27,994 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-09-04 13:39:27,994 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-09-04 13:39:27,994 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-09-04 13:39:27,994 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-09-04 13:39:27,995 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:27,995 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:27,995 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:27,995 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:27,995 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:27,995 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:27,995 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:27,996 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-09-04 13:39:27,996 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-09-04 13:39:27,996 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-09-04 13:39:27,996 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-09-04 13:39:27,996 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-09-04 13:39:27,996 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-09-04 13:39:27,996 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-09-04 13:39:27,997 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-09-04 13:39:27,997 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-09-04 13:39:27,997 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-09-04 13:39:27,997 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-09-04 13:39:27,997 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-09-04 13:39:27,997 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-09-04 13:39:27,997 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:27,997 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:27,997 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:27,998 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:27,998 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-09-04 13:39:27,998 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:27,998 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:27,998 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-09-04 13:39:27,998 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-09-04 13:39:27,998 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-09-04 13:39:27,998 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-09-04 13:39:27,999 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-09-04 13:39:27,999 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-09-04 13:39:27,999 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-09-04 13:39:27,999 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-09-04 13:39:27,999 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-09-04 13:39:27,999 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-09-04 13:39:27,999 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-09-04 13:39:27,999 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-09-04 13:39:28,000 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-09-04 13:39:28,000 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:28,000 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:28,000 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:28,000 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:28,000 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:28,000 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:28,001 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-09-04 13:39:28,001 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-09-04 13:39:28,001 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-09-04 13:39:28,001 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-09-04 13:39:28,001 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-09-04 13:39:28,001 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-09-04 13:39:28,001 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-09-04 13:39:28,002 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-09-04 13:39:28,002 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-09-04 13:39:28,002 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-09-04 13:39:28,002 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-09-04 13:39:28,002 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse0 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) (.cse1 (not (<= |old(~a19~0)| 9)))) (and (or .cse0 .cse1 (= 8 |old(~a19~0)|)) (or .cse0 .cse1 (not (<= |old(~a10~0)| 2))) (or .cse0 (not (<= |old(~a10~0)| 1))) (or (not (<= 4 |old(~a10~0)|)) .cse0 .cse1))) [2020-09-04 13:39:28,002 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-09-04 13:39:28,003 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-09-04 13:39:28,003 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-09-04 13:39:28,003 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:28,003 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:28,003 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:28,003 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:28,003 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:28,003 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:28,004 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-09-04 13:39:28,004 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-09-04 13:39:28,004 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-09-04 13:39:28,004 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-09-04 13:39:28,004 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-09-04 13:39:28,004 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-09-04 13:39:28,004 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-09-04 13:39:28,004 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-09-04 13:39:28,005 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-09-04 13:39:28,005 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-09-04 13:39:28,005 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-09-04 13:39:28,005 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-09-04 13:39:28,005 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-09-04 13:39:28,005 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:28,005 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:28,005 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:28,005 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:28,006 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:28,006 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:28,006 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-09-04 13:39:28,006 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-09-04 13:39:28,006 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-09-04 13:39:28,006 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-09-04 13:39:28,006 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-09-04 13:39:28,006 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-09-04 13:39:28,007 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-09-04 13:39:28,007 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-09-04 13:39:28,007 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-09-04 13:39:28,007 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-09-04 13:39:28,007 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-09-04 13:39:28,007 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-09-04 13:39:28,007 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:28,007 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:28,008 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:28,008 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:28,008 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:28,008 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:28,008 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-09-04 13:39:28,008 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-09-04 13:39:28,008 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-09-04 13:39:28,008 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-09-04 13:39:28,008 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-09-04 13:39:28,009 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-09-04 13:39:28,009 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-09-04 13:39:28,009 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-09-04 13:39:28,009 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-09-04 13:39:28,009 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-09-04 13:39:28,009 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-09-04 13:39:28,009 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-09-04 13:39:28,009 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-04 13:39:28,010 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (<= 9 ~a19~0) (<= ~a19~0 9) (<= ~a1~0 23)) [2020-09-04 13:39:28,010 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-04 13:39:28,010 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-04 13:39:28,010 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (and (<= 9 ~a19~0) (<= ~a19~0 9) (= ~a1~0 |old(~a1~0)|) (= ~a10~0 |old(~a10~0)|)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a19~0)| 9))) [2020-09-04 13:39:28,010 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-09-04 13:39:28,010 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9))) (or (not (<= |old(~a10~0)| 0)) (and (<= ~a10~0 2) .cse0) (not (<= 9 |old(~a19~0)|)) (and (not (= ~a19~0 8)) .cse0) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a19~0)| 9)) (<= ~a10~0 1) (and (<= 4 ~a10~0) .cse0))) [2020-09-04 13:39:28,010 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-09-04 13:39:28,011 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-09-04 13:39:28,011 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (<= ~a19~0 9))) (or (not (<= |old(~a10~0)| 0)) (and (<= ~a10~0 2) .cse0) (not (<= 9 |old(~a19~0)|)) (and (not (= ~a19~0 8)) .cse0) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a19~0)| 9)) (<= ~a10~0 1) (and (<= 4 ~a10~0) .cse0))) [2020-09-04 13:39:28,011 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-09-04 13:39:28,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 01:39:28 BoogieIcfgContainer [2020-09-04 13:39:28,034 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 13:39:28,037 INFO L168 Benchmark]: Toolchain (without parser) took 21678.80 ms. Allocated memory was 140.0 MB in the beginning and 459.3 MB in the end (delta: 319.3 MB). Free memory was 100.4 MB in the beginning and 274.1 MB in the end (delta: -173.7 MB). Peak memory consumption was 335.8 MB. Max. memory is 7.1 GB. [2020-09-04 13:39:28,038 INFO L168 Benchmark]: CDTParser took 1.59 ms. Allocated memory is still 140.0 MB. Free memory was 120.3 MB in the beginning and 120.0 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-04 13:39:28,039 INFO L168 Benchmark]: CACSL2BoogieTranslator took 844.45 ms. Allocated memory was 140.0 MB in the beginning and 205.0 MB in the end (delta: 65.0 MB). Free memory was 100.2 MB in the beginning and 169.7 MB in the end (delta: -69.5 MB). Peak memory consumption was 33.0 MB. Max. memory is 7.1 GB. [2020-09-04 13:39:28,040 INFO L168 Benchmark]: Boogie Preprocessor took 202.51 ms. Allocated memory is still 205.0 MB. Free memory was 169.7 MB in the beginning and 164.8 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-09-04 13:39:28,041 INFO L168 Benchmark]: RCFGBuilder took 1638.73 ms. Allocated memory was 205.0 MB in the beginning and 238.6 MB in the end (delta: 33.6 MB). Free memory was 164.8 MB in the beginning and 179.9 MB in the end (delta: -15.1 MB). Peak memory consumption was 80.5 MB. Max. memory is 7.1 GB. [2020-09-04 13:39:28,042 INFO L168 Benchmark]: TraceAbstraction took 18987.35 ms. Allocated memory was 238.6 MB in the beginning and 459.3 MB in the end (delta: 220.7 MB). Free memory was 179.9 MB in the beginning and 274.1 MB in the end (delta: -94.2 MB). Peak memory consumption was 316.7 MB. Max. memory is 7.1 GB. [2020-09-04 13:39:28,046 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.59 ms. Allocated memory is still 140.0 MB. Free memory was 120.3 MB in the beginning and 120.0 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 844.45 ms. Allocated memory was 140.0 MB in the beginning and 205.0 MB in the end (delta: 65.0 MB). Free memory was 100.2 MB in the beginning and 169.7 MB in the end (delta: -69.5 MB). Peak memory consumption was 33.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 202.51 ms. Allocated memory is still 205.0 MB. Free memory was 169.7 MB in the beginning and 164.8 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1638.73 ms. Allocated memory was 205.0 MB in the beginning and 238.6 MB in the end (delta: 33.6 MB). Free memory was 164.8 MB in the beginning and 179.9 MB in the end (delta: -15.1 MB). Peak memory consumption was 80.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 18987.35 ms. Allocated memory was 238.6 MB in the beginning and 459.3 MB in the end (delta: 220.7 MB). Free memory was 179.9 MB in the beginning and 274.1 MB in the end (delta: -94.2 MB). Peak memory consumption was 316.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 190]: 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: 582]: Loop Invariant Derived loop invariant: ((((((!(\old(a10) <= 0) || (a10 <= 2 && a19 <= 9)) || !(9 <= \old(a19))) || (!(a19 == 8) && a19 <= 9)) || !(\old(a1) <= 23)) || !(\old(a19) <= 9)) || a10 <= 1) || (4 <= a10 && a19 <= 9) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 17.3s, OverallIterations: 6, TraceHistogramMax: 3, AutomataDifference: 12.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 400 SDtfs, 3547 SDslu, 319 SDs, 0 SdLazy, 6629 SolverSat, 1261 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 728 GetRequests, 651 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 352 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2825occurred 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: 0.3s AutomataMinimizationTime, 6 MinimizatonAttempts, 1494 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 66 PreInvPairs, 108 NumberOfFragments, 231 HoareAnnotationTreeSize, 66 FomulaSimplifications, 10701 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2051 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 1671 NumberOfCodeBlocks, 1671 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1662 ConstructedInterpolants, 0 QuantifiedInterpolants, 787651 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1107 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 9 InterpolantComputations, 5 PerfectInterpolantSequences, 946/1052 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...