/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label11.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 11:24:42,727 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 11:24:42,729 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 11:24:42,742 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 11:24:42,742 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 11:24:42,743 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 11:24:42,745 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 11:24:42,747 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 11:24:42,749 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 11:24:42,750 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 11:24:42,751 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 11:24:42,752 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 11:24:42,752 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 11:24:42,753 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 11:24:42,754 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 11:24:42,756 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 11:24:42,757 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 11:24:42,757 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 11:24:42,759 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 11:24:42,761 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 11:24:42,763 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 11:24:42,764 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 11:24:42,765 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 11:24:42,766 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 11:24:42,768 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-21 11:24:42,776 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 11:24:42,777 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 11:24:42,778 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 11:24:42,779 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 [2020-07-21 11:24:42,793 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 11:24:42,794 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 11:24:42,795 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 11:24:42,795 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 11:24:42,795 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 11:24:42,796 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 11:24:42,796 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 11:24:42,796 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 11:24:42,796 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 11:24:42,796 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 11:24:42,797 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 11:24:42,797 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 11:24:42,797 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 11:24:42,797 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 11:24:42,797 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 11:24:42,798 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 11:24:42,798 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 11:24:42,798 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 11:24:42,798 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 11:24:42,798 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 11:24:42,799 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 11:24:42,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 11:24:42,799 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 11:24:42,799 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 11:24:42,799 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 11:24:42,800 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 11:24:42,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:24:42,800 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 11:24:42,800 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 11:24:42,800 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> NOT_INCREMENTALLY [2020-07-21 11:24:43,081 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 11:24:43,094 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 11:24:43,098 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 11:24:43,099 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 11:24:43,100 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 11:24:43,101 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label11.c [2020-07-21 11:24:43,171 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92c44b6b8/b8adf304d1554e109fc93bf8d89cc96d/FLAG31722d671 [2020-07-21 11:24:43,740 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 11:24:43,741 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label11.c [2020-07-21 11:24:43,752 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92c44b6b8/b8adf304d1554e109fc93bf8d89cc96d/FLAG31722d671 [2020-07-21 11:24:44,058 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92c44b6b8/b8adf304d1554e109fc93bf8d89cc96d [2020-07-21 11:24:44,070 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 11:24:44,074 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 11:24:44,075 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 11:24:44,075 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 11:24:44,080 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 11:24:44,081 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:24:44" (1/1) ... [2020-07-21 11:24:44,084 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ca65502 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:24:44, skipping insertion in model container [2020-07-21 11:24:44,085 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:24:44" (1/1) ... [2020-07-21 11:24:44,093 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 11:24:44,153 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 11:24:44,753 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 11:24:44,759 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 11:24:44,925 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 11:24:44,944 INFO L208 MainTranslator]: Completed translation [2020-07-21 11:24:44,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:24:44 WrapperNode [2020-07-21 11:24:44,945 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 11:24:44,946 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 11:24:44,946 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 11:24:44,946 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 11:24:44,967 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:24:44" (1/1) ... [2020-07-21 11:24:44,968 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:24:44" (1/1) ... [2020-07-21 11:24:44,987 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:24:44" (1/1) ... [2020-07-21 11:24:44,987 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:24:44" (1/1) ... [2020-07-21 11:24:45,028 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:24:44" (1/1) ... [2020-07-21 11:24:45,050 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:24:44" (1/1) ... [2020-07-21 11:24:45,063 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:24:44" (1/1) ... [2020-07-21 11:24:45,082 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 11:24:45,083 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 11:24:45,083 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 11:24:45,085 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 11:24:45,086 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:24:44" (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 [2020-07-21 11:24:45,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 11:24:45,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 11:24:45,161 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-21 11:24:45,161 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 11:24:45,161 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-21 11:24:45,161 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 11:24:45,162 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 11:24:45,162 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-21 11:24:45,163 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 11:24:45,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 11:24:45,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 11:24:46,588 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 11:24:46,588 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-21 11:24:46,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:24:46 BoogieIcfgContainer [2020-07-21 11:24:46,595 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 11:24:46,596 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 11:24:46,597 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 11:24:46,600 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 11:24:46,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 11:24:44" (1/3) ... [2020-07-21 11:24:46,602 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@173e0497 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:24:46, skipping insertion in model container [2020-07-21 11:24:46,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:24:44" (2/3) ... [2020-07-21 11:24:46,603 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@173e0497 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:24:46, skipping insertion in model container [2020-07-21 11:24:46,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:24:46" (3/3) ... [2020-07-21 11:24:46,605 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label11.c [2020-07-21 11:24:46,617 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 11:24:46,626 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 11:24:46,644 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 11:24:46,678 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 11:24:46,678 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 11:24:46,678 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 11:24:46,678 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 11:24:46,679 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 11:24:46,679 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 11:24:46,679 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 11:24:46,679 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 11:24:46,708 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-07-21 11:24:46,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-07-21 11:24:46,723 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:24:46,725 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] [2020-07-21 11:24:46,725 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:24:46,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:24:46,734 INFO L82 PathProgramCache]: Analyzing trace with hash -1377016033, now seen corresponding path program 1 times [2020-07-21 11:24:46,746 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:24:46,747 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1848247615] [2020-07-21 11:24:46,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:24:46,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:24:46,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 11:24:46,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:24:47,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 11:24:47,081 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 11:24:47,082 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1848247615] [2020-07-21 11:24:47,083 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 11:24:47,083 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 11:24:47,084 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157734073] [2020-07-21 11:24:47,093 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 11:24:47,094 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:24:47,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 11:24:47,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 11:24:47,112 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2020-07-21 11:24:48,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:24:48,170 INFO L93 Difference]: Finished difference Result 572 states and 963 transitions. [2020-07-21 11:24:48,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 11:24:48,175 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 115 [2020-07-21 11:24:48,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:24:48,208 INFO L225 Difference]: With dead ends: 572 [2020-07-21 11:24:48,208 INFO L226 Difference]: Without dead ends: 278 [2020-07-21 11:24:48,223 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 11:24:48,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2020-07-21 11:24:48,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2020-07-21 11:24:48,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2020-07-21 11:24:48,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 394 transitions. [2020-07-21 11:24:48,338 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 394 transitions. Word has length 115 [2020-07-21 11:24:48,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:24:48,341 INFO L479 AbstractCegarLoop]: Abstraction has 278 states and 394 transitions. [2020-07-21 11:24:48,342 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 11:24:48,342 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 394 transitions. [2020-07-21 11:24:48,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-07-21 11:24:48,356 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:24:48,357 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:24:48,573 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:24:48,573 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:24:48,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:24:48,576 INFO L82 PathProgramCache]: Analyzing trace with hash -1300380632, now seen corresponding path program 1 times [2020-07-21 11:24:48,577 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:24:48,577 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1220507888] [2020-07-21 11:24:48,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:24:48,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:24:48,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 11:24:48,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:24:48,762 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 11:24:48,763 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 11:24:48,763 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1220507888] [2020-07-21 11:24:48,764 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 11:24:48,764 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 11:24:48,764 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524137965] [2020-07-21 11:24:48,766 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 11:24:48,766 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:24:48,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 11:24:48,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 11:24:48,767 INFO L87 Difference]: Start difference. First operand 278 states and 394 transitions. Second operand 5 states. [2020-07-21 11:24:49,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:24:49,666 INFO L93 Difference]: Finished difference Result 842 states and 1218 transitions. [2020-07-21 11:24:49,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 11:24:49,668 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 125 [2020-07-21 11:24:49,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:24:49,674 INFO L225 Difference]: With dead ends: 842 [2020-07-21 11:24:49,675 INFO L226 Difference]: Without dead ends: 570 [2020-07-21 11:24:49,677 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-21 11:24:49,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2020-07-21 11:24:49,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 556. [2020-07-21 11:24:49,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 556 states. [2020-07-21 11:24:49,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 785 transitions. [2020-07-21 11:24:49,719 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 785 transitions. Word has length 125 [2020-07-21 11:24:49,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:24:49,720 INFO L479 AbstractCegarLoop]: Abstraction has 556 states and 785 transitions. [2020-07-21 11:24:49,720 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 11:24:49,720 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 785 transitions. [2020-07-21 11:24:49,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-07-21 11:24:49,723 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:24:49,723 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-21 11:24:49,936 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:24:49,938 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:24:49,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:24:49,939 INFO L82 PathProgramCache]: Analyzing trace with hash 860697510, now seen corresponding path program 1 times [2020-07-21 11:24:49,939 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:24:49,940 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1354712682] [2020-07-21 11:24:49,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:24:50,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:24:50,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 11:24:50,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:24:50,105 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 11:24:50,105 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 11:24:50,107 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1354712682] [2020-07-21 11:24:50,107 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 11:24:50,107 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 11:24:50,107 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818288142] [2020-07-21 11:24:50,109 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 11:24:50,110 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:24:50,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 11:24:50,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 11:24:50,110 INFO L87 Difference]: Start difference. First operand 556 states and 785 transitions. Second operand 3 states. [2020-07-21 11:24:50,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:24:50,746 INFO L93 Difference]: Finished difference Result 1650 states and 2372 transitions. [2020-07-21 11:24:50,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 11:24:50,747 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2020-07-21 11:24:50,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:24:50,755 INFO L225 Difference]: With dead ends: 1650 [2020-07-21 11:24:50,755 INFO L226 Difference]: Without dead ends: 1100 [2020-07-21 11:24:50,757 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 11:24:50,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1100 states. [2020-07-21 11:24:50,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1100 to 1100. [2020-07-21 11:24:50,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1100 states. [2020-07-21 11:24:50,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1100 states to 1100 states and 1419 transitions. [2020-07-21 11:24:50,814 INFO L78 Accepts]: Start accepts. Automaton has 1100 states and 1419 transitions. Word has length 126 [2020-07-21 11:24:50,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:24:50,815 INFO L479 AbstractCegarLoop]: Abstraction has 1100 states and 1419 transitions. [2020-07-21 11:24:50,816 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 11:24:50,816 INFO L276 IsEmpty]: Start isEmpty. Operand 1100 states and 1419 transitions. [2020-07-21 11:24:50,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-07-21 11:24:50,820 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:24:50,820 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:24:51,031 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:24:51,032 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:24:51,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:24:51,033 INFO L82 PathProgramCache]: Analyzing trace with hash 475291139, now seen corresponding path program 1 times [2020-07-21 11:24:51,034 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:24:51,034 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [876856274] [2020-07-21 11:24:51,035 INFO L95 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 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:24:51,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:24:51,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 11:24:51,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:24:51,212 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 11:24:51,213 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 11:24:51,338 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 11:24:51,339 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [876856274] [2020-07-21 11:24:51,339 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 11:24:51,340 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 11:24:51,340 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214546198] [2020-07-21 11:24:51,341 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 11:24:51,341 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:24:51,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 11:24:51,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 11:24:51,342 INFO L87 Difference]: Start difference. First operand 1100 states and 1419 transitions. Second operand 7 states. [2020-07-21 11:24:52,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:24:52,997 INFO L93 Difference]: Finished difference Result 3362 states and 4642 transitions. [2020-07-21 11:24:52,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 11:24:52,998 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 146 [2020-07-21 11:24:52,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:24:53,014 INFO L225 Difference]: With dead ends: 3362 [2020-07-21 11:24:53,014 INFO L226 Difference]: Without dead ends: 2268 [2020-07-21 11:24:53,018 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 287 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-07-21 11:24:53,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2268 states. [2020-07-21 11:24:53,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2268 to 2071. [2020-07-21 11:24:53,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2071 states. [2020-07-21 11:24:53,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2071 states to 2071 states and 2709 transitions. [2020-07-21 11:24:53,103 INFO L78 Accepts]: Start accepts. Automaton has 2071 states and 2709 transitions. Word has length 146 [2020-07-21 11:24:53,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:24:53,103 INFO L479 AbstractCegarLoop]: Abstraction has 2071 states and 2709 transitions. [2020-07-21 11:24:53,104 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 11:24:53,104 INFO L276 IsEmpty]: Start isEmpty. Operand 2071 states and 2709 transitions. [2020-07-21 11:24:53,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-07-21 11:24:53,111 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:24:53,111 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-07-21 11:24:53,325 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:24:53,326 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:24:53,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:24:53,327 INFO L82 PathProgramCache]: Analyzing trace with hash -1857565813, now seen corresponding path program 1 times [2020-07-21 11:24:53,328 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:24:53,328 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1354051438] [2020-07-21 11:24:53,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:24:53,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:24:53,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 11:24:53,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:24:53,461 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-07-21 11:24:53,461 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 11:24:53,461 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1354051438] [2020-07-21 11:24:53,462 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 11:24:53,462 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 11:24:53,462 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361105604] [2020-07-21 11:24:53,463 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 11:24:53,463 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:24:53,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 11:24:53,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 11:24:53,464 INFO L87 Difference]: Start difference. First operand 2071 states and 2709 transitions. Second operand 3 states. [2020-07-21 11:24:54,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:24:54,259 INFO L93 Difference]: Finished difference Result 5502 states and 7364 transitions. [2020-07-21 11:24:54,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 11:24:54,259 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2020-07-21 11:24:54,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:24:54,281 INFO L225 Difference]: With dead ends: 5502 [2020-07-21 11:24:54,282 INFO L226 Difference]: Without dead ends: 3441 [2020-07-21 11:24:54,289 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 11:24:54,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3441 states. [2020-07-21 11:24:54,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3441 to 3304. [2020-07-21 11:24:54,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3304 states. [2020-07-21 11:24:54,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3304 states to 3304 states and 4339 transitions. [2020-07-21 11:24:54,399 INFO L78 Accepts]: Start accepts. Automaton has 3304 states and 4339 transitions. Word has length 150 [2020-07-21 11:24:54,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:24:54,400 INFO L479 AbstractCegarLoop]: Abstraction has 3304 states and 4339 transitions. [2020-07-21 11:24:54,400 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 11:24:54,400 INFO L276 IsEmpty]: Start isEmpty. Operand 3304 states and 4339 transitions. [2020-07-21 11:24:54,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-07-21 11:24:54,411 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:24:54,411 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:24:54,624 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:24:54,625 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:24:54,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:24:54,627 INFO L82 PathProgramCache]: Analyzing trace with hash -469327528, now seen corresponding path program 1 times [2020-07-21 11:24:54,628 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:24:54,628 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [209105653] [2020-07-21 11:24:54,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:24:54,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:24:54,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 11:24:54,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:24:54,841 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 11:24:54,842 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 11:24:54,844 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [209105653] [2020-07-21 11:24:54,847 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 11:24:54,847 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 11:24:54,847 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460584984] [2020-07-21 11:24:54,848 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 11:24:54,849 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:24:54,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 11:24:54,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 11:24:54,851 INFO L87 Difference]: Start difference. First operand 3304 states and 4339 transitions. Second operand 3 states. [2020-07-21 11:24:55,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:24:55,583 INFO L93 Difference]: Finished difference Result 9463 states and 12663 transitions. [2020-07-21 11:24:55,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 11:24:55,583 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 149 [2020-07-21 11:24:55,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:24:55,660 INFO L225 Difference]: With dead ends: 9463 [2020-07-21 11:24:55,661 INFO L226 Difference]: Without dead ends: 6169 [2020-07-21 11:24:55,669 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 11:24:55,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6169 states. [2020-07-21 11:24:55,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6169 to 5629. [2020-07-21 11:24:55,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5629 states. [2020-07-21 11:24:55,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5629 states to 5629 states and 7430 transitions. [2020-07-21 11:24:55,836 INFO L78 Accepts]: Start accepts. Automaton has 5629 states and 7430 transitions. Word has length 149 [2020-07-21 11:24:55,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:24:55,837 INFO L479 AbstractCegarLoop]: Abstraction has 5629 states and 7430 transitions. [2020-07-21 11:24:55,837 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 11:24:55,837 INFO L276 IsEmpty]: Start isEmpty. Operand 5629 states and 7430 transitions. [2020-07-21 11:24:55,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-07-21 11:24:55,854 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:24:55,854 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 11:24:56,068 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:24:56,069 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:24:56,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:24:56,070 INFO L82 PathProgramCache]: Analyzing trace with hash 974025645, now seen corresponding path program 1 times [2020-07-21 11:24:56,071 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:24:56,071 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [350018783] [2020-07-21 11:24:56,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:24:56,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:24:56,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 11:24:56,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:24:56,214 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 58 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 11:24:56,214 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 11:24:56,297 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 58 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 11:24:56,298 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [350018783] [2020-07-21 11:24:56,298 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 11:24:56,298 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-07-21 11:24:56,299 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208298864] [2020-07-21 11:24:56,299 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 11:24:56,300 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:24:56,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 11:24:56,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-21 11:24:56,301 INFO L87 Difference]: Start difference. First operand 5629 states and 7430 transitions. Second operand 6 states. [2020-07-21 11:24:57,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:24:57,244 INFO L93 Difference]: Finished difference Result 10095 states and 13389 transitions. [2020-07-21 11:24:57,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 11:24:57,245 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 165 [2020-07-21 11:24:57,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:24:57,277 INFO L225 Difference]: With dead ends: 10095 [2020-07-21 11:24:57,277 INFO L226 Difference]: Without dead ends: 5955 [2020-07-21 11:24:57,291 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 324 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-07-21 11:24:57,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5955 states. [2020-07-21 11:24:57,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5955 to 5260. [2020-07-21 11:24:57,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5260 states. [2020-07-21 11:24:57,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5260 states to 5260 states and 6833 transitions. [2020-07-21 11:24:57,470 INFO L78 Accepts]: Start accepts. Automaton has 5260 states and 6833 transitions. Word has length 165 [2020-07-21 11:24:57,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:24:57,470 INFO L479 AbstractCegarLoop]: Abstraction has 5260 states and 6833 transitions. [2020-07-21 11:24:57,470 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 11:24:57,470 INFO L276 IsEmpty]: Start isEmpty. Operand 5260 states and 6833 transitions. [2020-07-21 11:24:57,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-07-21 11:24:57,494 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:24:57,494 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, 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] [2020-07-21 11:24:57,707 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:24:57,708 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:24:57,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:24:57,709 INFO L82 PathProgramCache]: Analyzing trace with hash 1855551297, now seen corresponding path program 1 times [2020-07-21 11:24:57,710 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:24:57,711 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [130606734] [2020-07-21 11:24:57,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:24:57,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:24:57,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 11:24:57,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:24:57,858 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 78 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 11:24:57,859 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 11:24:57,942 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 78 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 11:24:57,942 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [130606734] [2020-07-21 11:24:57,943 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 11:24:57,943 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-07-21 11:24:57,943 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801716225] [2020-07-21 11:24:57,944 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 11:24:57,944 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:24:57,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 11:24:57,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-21 11:24:57,945 INFO L87 Difference]: Start difference. First operand 5260 states and 6833 transitions. Second operand 7 states. [2020-07-21 11:24:59,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:24:59,648 INFO L93 Difference]: Finished difference Result 14103 states and 18938 transitions. [2020-07-21 11:24:59,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 11:24:59,648 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 175 [2020-07-21 11:24:59,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:24:59,707 INFO L225 Difference]: With dead ends: 14103 [2020-07-21 11:24:59,707 INFO L226 Difference]: Without dead ends: 8853 [2020-07-21 11:24:59,725 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 353 GetRequests, 345 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-07-21 11:24:59,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8853 states. [2020-07-21 11:24:59,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8853 to 7065. [2020-07-21 11:24:59,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7065 states. [2020-07-21 11:24:59,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7065 states to 7065 states and 9028 transitions. [2020-07-21 11:24:59,988 INFO L78 Accepts]: Start accepts. Automaton has 7065 states and 9028 transitions. Word has length 175 [2020-07-21 11:24:59,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:24:59,988 INFO L479 AbstractCegarLoop]: Abstraction has 7065 states and 9028 transitions. [2020-07-21 11:24:59,989 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 11:24:59,989 INFO L276 IsEmpty]: Start isEmpty. Operand 7065 states and 9028 transitions. [2020-07-21 11:25:00,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-07-21 11:25:00,011 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:25:00,013 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2020-07-21 11:25:00,227 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:25:00,228 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:25:00,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:25:00,229 INFO L82 PathProgramCache]: Analyzing trace with hash 488984115, now seen corresponding path program 1 times [2020-07-21 11:25:00,229 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:25:00,229 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [465038484] [2020-07-21 11:25:00,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:25:00,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:25:00,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 586 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 11:25:00,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:25:00,494 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 126 proven. 2 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-07-21 11:25:00,494 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 11:25:00,588 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 126 proven. 2 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2020-07-21 11:25:00,588 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [465038484] [2020-07-21 11:25:00,589 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 11:25:00,589 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-07-21 11:25:00,589 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101321656] [2020-07-21 11:25:00,590 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 11:25:00,590 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:25:00,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 11:25:00,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-21 11:25:00,592 INFO L87 Difference]: Start difference. First operand 7065 states and 9028 transitions. Second operand 6 states. [2020-07-21 11:25:01,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:25:01,954 INFO L93 Difference]: Finished difference Result 15073 states and 20225 transitions. [2020-07-21 11:25:01,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 11:25:01,955 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 195 [2020-07-21 11:25:01,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:25:01,994 INFO L225 Difference]: With dead ends: 15073 [2020-07-21 11:25:01,995 INFO L226 Difference]: Without dead ends: 8558 [2020-07-21 11:25:02,014 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 395 GetRequests, 386 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-07-21 11:25:02,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8558 states. [2020-07-21 11:25:02,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8558 to 7756. [2020-07-21 11:25:02,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7756 states. [2020-07-21 11:25:02,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7756 states to 7756 states and 9748 transitions. [2020-07-21 11:25:02,296 INFO L78 Accepts]: Start accepts. Automaton has 7756 states and 9748 transitions. Word has length 195 [2020-07-21 11:25:02,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:25:02,296 INFO L479 AbstractCegarLoop]: Abstraction has 7756 states and 9748 transitions. [2020-07-21 11:25:02,297 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 11:25:02,297 INFO L276 IsEmpty]: Start isEmpty. Operand 7756 states and 9748 transitions. [2020-07-21 11:25:02,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-07-21 11:25:02,324 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 11:25:02,325 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2020-07-21 11:25:02,540 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:25:02,541 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 11:25:02,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 11:25:02,541 INFO L82 PathProgramCache]: Analyzing trace with hash -316968591, now seen corresponding path program 1 times [2020-07-21 11:25:02,541 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 11:25:02,542 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2144252296] [2020-07-21 11:25:02,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:25:02,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 11:25:02,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 11:25:02,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 11:25:02,705 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2020-07-21 11:25:02,706 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 11:25:02,706 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2144252296] [2020-07-21 11:25:02,706 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 11:25:02,706 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 11:25:02,707 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137778092] [2020-07-21 11:25:02,709 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 11:25:02,709 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 11:25:02,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 11:25:02,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 11:25:02,710 INFO L87 Difference]: Start difference. First operand 7756 states and 9748 transitions. Second operand 3 states. [2020-07-21 11:25:03,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 11:25:03,319 INFO L93 Difference]: Finished difference Result 13326 states and 16757 transitions. [2020-07-21 11:25:03,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 11:25:03,319 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 212 [2020-07-21 11:25:03,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 11:25:03,320 INFO L225 Difference]: With dead ends: 13326 [2020-07-21 11:25:03,320 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 11:25:03,345 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 11:25:03,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 11:25:03,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 11:25:03,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 11:25:03,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 11:25:03,348 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 212 [2020-07-21 11:25:03,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 11:25:03,348 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 11:25:03,348 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 11:25:03,349 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 11:25:03,349 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 11:25:03,562 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 11:25:03,566 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 11:25:04,744 WARN L193 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 169 [2020-07-21 11:25:05,279 WARN L193 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 169 [2020-07-21 11:25:06,568 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 202 DAG size of output: 75 [2020-07-21 11:25:07,153 WARN L193 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 34 [2020-07-21 11:25:07,742 WARN L193 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 34 [2020-07-21 11:25:07,747 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 11:25:07,747 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a8~0 |old(~a8~0)|) (<= ~a16~0 |old(~a16~0)|) (<= |old(~a16~0)| ~a16~0)) [2020-07-21 11:25:07,748 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 11:25:07,748 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-07-21 11:25:07,748 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-07-21 11:25:07,748 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:25:07,749 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:25:07,749 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:25:07,749 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:25:07,749 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:25:07,749 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:25:07,750 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-07-21 11:25:07,750 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-07-21 11:25:07,750 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-07-21 11:25:07,750 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-07-21 11:25:07,750 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-07-21 11:25:07,750 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-07-21 11:25:07,750 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-07-21 11:25:07,750 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-07-21 11:25:07,750 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-07-21 11:25:07,750 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-07-21 11:25:07,751 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:25:07,751 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:25:07,751 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:25:07,751 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:25:07,751 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:25:07,751 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:25:07,751 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-07-21 11:25:07,751 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-07-21 11:25:07,751 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-07-21 11:25:07,751 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-07-21 11:25:07,751 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-07-21 11:25:07,751 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-07-21 11:25:07,752 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-07-21 11:25:07,752 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-07-21 11:25:07,752 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-07-21 11:25:07,752 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-07-21 11:25:07,752 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-07-21 11:25:07,752 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 503) no Hoare annotation was computed. [2020-07-21 11:25:07,752 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-07-21 11:25:07,752 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-07-21 11:25:07,753 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-07-21 11:25:07,753 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-07-21 11:25:07,753 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:25:07,753 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:25:07,753 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:25:07,753 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:25:07,753 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:25:07,753 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-07-21 11:25:07,754 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-07-21 11:25:07,754 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-07-21 11:25:07,754 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-07-21 11:25:07,754 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-07-21 11:25:07,754 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-07-21 11:25:07,754 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-07-21 11:25:07,754 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-07-21 11:25:07,754 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-07-21 11:25:07,754 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:25:07,755 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:25:07,755 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:25:07,755 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:25:07,755 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:25:07,755 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-07-21 11:25:07,755 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-07-21 11:25:07,755 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-07-21 11:25:07,755 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-07-21 11:25:07,756 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-07-21 11:25:07,756 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-07-21 11:25:07,756 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-07-21 11:25:07,756 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-07-21 11:25:07,756 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-07-21 11:25:07,756 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-07-21 11:25:07,756 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-07-21 11:25:07,756 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-07-21 11:25:07,756 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-07-21 11:25:07,757 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:25:07,757 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:25:07,757 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:25:07,757 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:25:07,757 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:25:07,757 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-07-21 11:25:07,757 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-07-21 11:25:07,757 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-07-21 11:25:07,757 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-07-21 11:25:07,757 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-07-21 11:25:07,758 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-07-21 11:25:07,758 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-07-21 11:25:07,758 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-07-21 11:25:07,758 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-07-21 11:25:07,758 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:25:07,758 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:25:07,758 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:25:07,758 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:25:07,758 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:25:07,758 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:25:07,758 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-07-21 11:25:07,758 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:25:07,758 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-07-21 11:25:07,758 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-07-21 11:25:07,759 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-07-21 11:25:07,759 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-07-21 11:25:07,759 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-07-21 11:25:07,759 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-07-21 11:25:07,759 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-07-21 11:25:07,759 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-07-21 11:25:07,759 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-07-21 11:25:07,759 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-07-21 11:25:07,759 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-07-21 11:25:07,759 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-07-21 11:25:07,759 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-07-21 11:25:07,759 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:25:07,759 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:25:07,759 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:25:07,759 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:25:07,760 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:25:07,760 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-07-21 11:25:07,760 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-07-21 11:25:07,760 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-07-21 11:25:07,760 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-07-21 11:25:07,760 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-07-21 11:25:07,760 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-07-21 11:25:07,760 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-07-21 11:25:07,760 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-07-21 11:25:07,760 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:25:07,760 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:25:07,760 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:25:07,760 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:25:07,760 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:25:07,761 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-07-21 11:25:07,761 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-07-21 11:25:07,761 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-07-21 11:25:07,761 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-07-21 11:25:07,761 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-07-21 11:25:07,761 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-07-21 11:25:07,761 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-07-21 11:25:07,761 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-07-21 11:25:07,761 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-07-21 11:25:07,761 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-07-21 11:25:07,762 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse0 (not (<= 15 |old(~a8~0)|))) (.cse14 (not (<= |old(~a7~0)| 0))) (.cse13 (<= ~a7~0 0)) (.cse1 (<= ~a8~0 |old(~a8~0)|)) (.cse11 (not (<= |old(~a8~0)| 14))) (.cse12 (not (<= |old(~a16~0)| 5))) (.cse7 (not (<= |old(~a17~0)| 0))) (.cse9 (not (<= |old(~a8~0)| 13))) (.cse4 (not (<= |old(~a20~0)| 0))) (.cse15 (not (<= |old(~a16~0)| 4))) (.cse6 (<= ~a17~0 0)) (.cse8 (<= ~a8~0 14)) (.cse2 (<= ~a16~0 |old(~a16~0)|)) (.cse16 (<= ~a8~0 13)) (.cse3 (<= |old(~a16~0)| ~a16~0)) (.cse5 (<= ~a20~0 0))) (and (or .cse0 (and .cse1 .cse2 .cse3 (<= 15 ~a8~0))) (or .cse0 .cse4 .cse5) (or .cse0 .cse6 .cse7) (or (and .cse2 .cse6 (<= 5 ~a16~0) .cse8) (let ((.cse10 (not (<= 5 |old(~a16~0)|)))) (and (or .cse9 .cse10 .cse7) (or .cse11 .cse12 .cse10 .cse7)))) (or .cse0 .cse13 .cse14) (or (and (or .cse14 .cse11 .cse15) (or .cse11 .cse14 .cse4 .cse7) (or .cse14 .cse9)) (and (or (and .cse2 .cse13 .cse8 (<= ~a16~0 4)) (and .cse2 .cse6 .cse13 .cse5 .cse8) (and .cse2 .cse16 .cse13)) .cse3)) (or .cse9 (and .cse1 .cse2 .cse3)) (or (and (or .cse11 .cse12 .cse4 .cse7) (or .cse9 .cse4 .cse15)) (and .cse2 .cse3 .cse6 .cse5 .cse8) (and .cse2 .cse16 .cse3 .cse5)))) [2020-07-21 11:25:07,762 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-07-21 11:25:07,762 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:25:07,762 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:25:07,762 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:25:07,762 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:25:07,762 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-07-21 11:25:07,763 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:25:07,763 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:25:07,763 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-07-21 11:25:07,763 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-07-21 11:25:07,763 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-07-21 11:25:07,763 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-07-21 11:25:07,763 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-07-21 11:25:07,763 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-07-21 11:25:07,763 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-07-21 11:25:07,763 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-07-21 11:25:07,763 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-07-21 11:25:07,763 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-07-21 11:25:07,763 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-07-21 11:25:07,764 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-07-21 11:25:07,764 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:25:07,764 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:25:07,764 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:25:07,764 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:25:07,764 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:25:07,764 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-07-21 11:25:07,764 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:25:07,764 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-07-21 11:25:07,764 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-07-21 11:25:07,764 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-07-21 11:25:07,764 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-07-21 11:25:07,764 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-07-21 11:25:07,764 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-07-21 11:25:07,764 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-07-21 11:25:07,765 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-07-21 11:25:07,765 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-07-21 11:25:07,765 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-07-21 11:25:07,765 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-07-21 11:25:07,765 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-07-21 11:25:07,765 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-07-21 11:25:07,765 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-07-21 11:25:07,765 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:25:07,765 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:25:07,765 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:25:07,765 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:25:07,765 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:25:07,765 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-07-21 11:25:07,765 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-07-21 11:25:07,766 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-07-21 11:25:07,766 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-07-21 11:25:07,766 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-07-21 11:25:07,766 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-07-21 11:25:07,766 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-07-21 11:25:07,766 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-07-21 11:25:07,766 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-07-21 11:25:07,766 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-07-21 11:25:07,766 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-07-21 11:25:07,767 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 11:25:07,767 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a7~0 0) (<= ~a16~0 5) (<= 15 ~a8~0) (<= 5 ~a16~0)) [2020-07-21 11:25:07,767 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 11:25:07,767 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 11:25:07,767 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (<= 15 |old(~a8~0)|)) (not (<= |old(~a7~0)| 0)) (not (<= |old(~a16~0)| 5)) (not (<= 5 |old(~a16~0)|)) (and (<= ~a8~0 |old(~a8~0)|) (<= ~a7~0 0) (<= ~a16~0 5) (<= 15 ~a8~0) (<= 5 ~a16~0))) [2020-07-21 11:25:07,767 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-07-21 11:25:07,768 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 0)) (.cse1 (<= ~a20~0 0)) (.cse3 (<= ~a7~0 0)) (.cse2 (<= ~a16~0 4))) (or (<= ~a8~0 13) (not (<= 15 |old(~a8~0)|)) (and .cse0 .cse1 .cse2) (not (<= |old(~a7~0)| 0)) (<= 15 ~a8~0) (not (<= |old(~a16~0)| 5)) (and .cse0 (<= ~a16~0 5) (<= 5 ~a16~0)) (and .cse0 .cse3 .cse1) (not (<= 5 |old(~a16~0)|)) (and .cse3 .cse2))) [2020-07-21 11:25:07,768 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-07-21 11:25:07,768 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-07-21 11:25:07,768 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 0)) (.cse1 (<= ~a20~0 0)) (.cse3 (<= ~a7~0 0)) (.cse2 (<= ~a16~0 4))) (or (<= ~a8~0 13) (not (<= 15 |old(~a8~0)|)) (and .cse0 .cse1 .cse2) (not (<= |old(~a7~0)| 0)) (<= 15 ~a8~0) (not (<= |old(~a16~0)| 5)) (and .cse0 (<= ~a16~0 5) (<= 5 ~a16~0)) (and .cse0 .cse3 .cse1) (not (<= 5 |old(~a16~0)|)) (and .cse3 .cse2))) [2020-07-21 11:25:07,768 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-07-21 11:25:07,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 11:25:07 BoogieIcfgContainer [2020-07-21 11:25:07,794 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 11:25:07,795 INFO L168 Benchmark]: Toolchain (without parser) took 23723.42 ms. Allocated memory was 137.4 MB in the beginning and 638.1 MB in the end (delta: 500.7 MB). Free memory was 99.3 MB in the beginning and 262.5 MB in the end (delta: -163.2 MB). Peak memory consumption was 477.8 MB. Max. memory is 7.1 GB. [2020-07-21 11:25:07,796 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 137.4 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 11:25:07,797 INFO L168 Benchmark]: CACSL2BoogieTranslator took 870.59 ms. Allocated memory was 137.4 MB in the beginning and 203.4 MB in the end (delta: 66.1 MB). Free memory was 98.9 MB in the beginning and 169.6 MB in the end (delta: -70.7 MB). Peak memory consumption was 34.6 MB. Max. memory is 7.1 GB. [2020-07-21 11:25:07,798 INFO L168 Benchmark]: Boogie Preprocessor took 136.04 ms. Allocated memory is still 203.4 MB. Free memory was 169.6 MB in the beginning and 164.6 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-07-21 11:25:07,799 INFO L168 Benchmark]: RCFGBuilder took 1512.63 ms. Allocated memory was 203.4 MB in the beginning and 234.9 MB in the end (delta: 31.5 MB). Free memory was 164.6 MB in the beginning and 178.8 MB in the end (delta: -14.2 MB). Peak memory consumption was 84.4 MB. Max. memory is 7.1 GB. [2020-07-21 11:25:07,800 INFO L168 Benchmark]: TraceAbstraction took 21197.25 ms. Allocated memory was 234.9 MB in the beginning and 638.1 MB in the end (delta: 403.2 MB). Free memory was 178.8 MB in the beginning and 262.5 MB in the end (delta: -83.7 MB). Peak memory consumption was 459.8 MB. Max. memory is 7.1 GB. [2020-07-21 11:25:07,803 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 137.4 MB. Free memory was 119.2 MB in the beginning and 119.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 870.59 ms. Allocated memory was 137.4 MB in the beginning and 203.4 MB in the end (delta: 66.1 MB). Free memory was 98.9 MB in the beginning and 169.6 MB in the end (delta: -70.7 MB). Peak memory consumption was 34.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 136.04 ms. Allocated memory is still 203.4 MB. Free memory was 169.6 MB in the beginning and 164.6 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1512.63 ms. Allocated memory was 203.4 MB in the beginning and 234.9 MB in the end (delta: 31.5 MB). Free memory was 164.6 MB in the beginning and 178.8 MB in the end (delta: -14.2 MB). Peak memory consumption was 84.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 21197.25 ms. Allocated memory was 234.9 MB in the beginning and 638.1 MB in the end (delta: 403.2 MB). Free memory was 178.8 MB in the beginning and 262.5 MB in the end (delta: -83.7 MB). Peak memory consumption was 459.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 503]: 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: 583]: Loop Invariant Derived loop invariant: ((((((((a8 <= 13 || !(15 <= \old(a8))) || ((a17 <= 0 && a20 <= 0) && a16 <= 4)) || !(\old(a7) <= 0)) || 15 <= a8) || !(\old(a16) <= 5)) || ((a17 <= 0 && a16 <= 5) && 5 <= a16)) || ((a17 <= 0 && a7 <= 0) && a20 <= 0)) || !(5 <= \old(a16))) || (a7 <= 0 && a16 <= 4) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 16.8s, OverallIterations: 10, TraceHistogramMax: 5, AutomataDifference: 10.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 893 SDtfs, 2717 SDslu, 317 SDs, 0 SdLazy, 6704 SolverSat, 1027 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2250 GetRequests, 2205 SyntacticMatches, 6 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7756occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 4173 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 272 PreInvPairs, 386 NumberOfFragments, 438 HoareAnnotationTreeSize, 272 FomulaSimplifications, 44345 FormulaSimplificationTreeSizeReduction, 1.7s HoareSimplificationTime, 7 FomulaSimplificationsInter, 9121 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1558 NumberOfCodeBlocks, 1558 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2225 ConstructedInterpolants, 0 QuantifiedInterpolants, 646031 SizeOfPredicates, 14 NumberOfNonLiveVariables, 4380 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 14 InterpolantComputations, 6 PerfectInterpolantSequences, 964/980 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...