/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label41.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 23:27:06,041 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 23:27:06,044 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 23:27:06,061 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 23:27:06,062 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 23:27:06,064 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 23:27:06,065 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 23:27:06,075 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 23:27:06,077 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 23:27:06,082 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 23:27:06,083 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 23:27:06,084 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 23:27:06,086 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 23:27:06,087 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 23:27:06,090 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 23:27:06,091 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 23:27:06,091 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 23:27:06,092 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 23:27:06,095 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 23:27:06,099 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 23:27:06,101 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 23:27:06,104 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 23:27:06,105 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 23:27:06,107 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 23:27:06,110 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-19 23:27:06,123 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 23:27:06,124 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 23:27:06,125 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 23:27:06,126 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 [2020-07-19 23:27:06,145 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 23:27:06,146 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 23:27:06,147 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 23:27:06,148 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 23:27:06,148 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 23:27:06,148 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 23:27:06,148 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 23:27:06,148 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 23:27:06,149 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 23:27:06,149 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 23:27:06,149 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 23:27:06,149 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 23:27:06,149 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 23:27:06,149 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 23:27:06,150 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 23:27:06,150 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 23:27:06,150 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 23:27:06,153 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 23:27:06,153 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 23:27:06,154 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 23:27:06,154 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 23:27:06,154 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 23:27:06,154 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 23:27:06,154 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 23:27:06,155 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 23:27:06,155 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 23:27:06,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 23:27:06,155 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 23:27:06,155 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 23:27:06,156 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-19 23:27:06,447 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 23:27:06,460 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 23:27:06,463 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 23:27:06,464 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 23:27:06,465 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 23:27:06,465 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label41.c [2020-07-19 23:27:06,521 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5586893fd/7983bcadf0314c2981f10b7b5d7155ea/FLAG469065327 [2020-07-19 23:27:07,084 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 23:27:07,085 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label41.c [2020-07-19 23:27:07,103 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5586893fd/7983bcadf0314c2981f10b7b5d7155ea/FLAG469065327 [2020-07-19 23:27:07,342 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5586893fd/7983bcadf0314c2981f10b7b5d7155ea [2020-07-19 23:27:07,352 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 23:27:07,355 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 23:27:07,356 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 23:27:07,356 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 23:27:07,359 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 23:27:07,360 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:27:07" (1/1) ... [2020-07-19 23:27:07,363 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53761796 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:27:07, skipping insertion in model container [2020-07-19 23:27:07,363 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:27:07" (1/1) ... [2020-07-19 23:27:07,370 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 23:27:07,413 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 23:27:07,775 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 23:27:07,780 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 23:27:07,968 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 23:27:07,986 INFO L208 MainTranslator]: Completed translation [2020-07-19 23:27:07,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:27:07 WrapperNode [2020-07-19 23:27:07,987 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 23:27:07,987 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 23:27:07,988 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 23:27:07,988 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 23:27:08,001 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:27:07" (1/1) ... [2020-07-19 23:27:08,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:27:07" (1/1) ... [2020-07-19 23:27:08,018 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:27:07" (1/1) ... [2020-07-19 23:27:08,018 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:27:07" (1/1) ... [2020-07-19 23:27:08,061 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:27:07" (1/1) ... [2020-07-19 23:27:08,078 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:27:07" (1/1) ... [2020-07-19 23:27:08,084 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:27:07" (1/1) ... [2020-07-19 23:27:08,092 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 23:27:08,093 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 23:27:08,093 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 23:27:08,093 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 23:27:08,094 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:27:07" (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 [2020-07-19 23:27:08,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 23:27:08,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 23:27:08,175 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-19 23:27:08,175 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 23:27:08,175 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-19 23:27:08,175 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 23:27:08,176 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 23:27:08,177 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-19 23:27:08,177 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 23:27:08,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 23:27:08,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 23:27:09,209 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 23:27:09,210 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-19 23:27:09,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:27:09 BoogieIcfgContainer [2020-07-19 23:27:09,216 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 23:27:09,217 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 23:27:09,217 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 23:27:09,220 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 23:27:09,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 11:27:07" (1/3) ... [2020-07-19 23:27:09,221 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6042ec7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:27:09, skipping insertion in model container [2020-07-19 23:27:09,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:27:07" (2/3) ... [2020-07-19 23:27:09,222 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6042ec7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:27:09, skipping insertion in model container [2020-07-19 23:27:09,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:27:09" (3/3) ... [2020-07-19 23:27:09,224 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label41.c [2020-07-19 23:27:09,234 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 23:27:09,245 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 23:27:09,258 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 23:27:09,296 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 23:27:09,296 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 23:27:09,296 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 23:27:09,296 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 23:27:09,297 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 23:27:09,297 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 23:27:09,297 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 23:27:09,297 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 23:27:09,326 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-07-19 23:27:09,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-07-19 23:27:09,337 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:27:09,338 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] [2020-07-19 23:27:09,338 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:27:09,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:27:09,343 INFO L82 PathProgramCache]: Analyzing trace with hash -1961179338, now seen corresponding path program 1 times [2020-07-19 23:27:09,350 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:27:09,351 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153873155] [2020-07-19 23:27:09,351 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1bfdff4f [2020-07-19 23:27:09,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:27:09,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:27:09,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 23:27:09,874 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153873155] [2020-07-19 23:27:09,875 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 23:27:09,876 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-19 23:27:09,877 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103131951] [2020-07-19 23:27:09,884 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-19 23:27:09,885 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:27:09,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-19 23:27:09,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-19 23:27:09,902 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 4 states. [2020-07-19 23:27:11,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:27:11,397 INFO L93 Difference]: Finished difference Result 651 states and 1104 transitions. [2020-07-19 23:27:11,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-19 23:27:11,400 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 96 [2020-07-19 23:27:11,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:27:11,430 INFO L225 Difference]: With dead ends: 651 [2020-07-19 23:27:11,430 INFO L226 Difference]: Without dead ends: 336 [2020-07-19 23:27:11,441 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-19 23:27:11,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2020-07-19 23:27:11,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 323. [2020-07-19 23:27:11,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 323 states. [2020-07-19 23:27:11,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 475 transitions. [2020-07-19 23:27:11,564 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 475 transitions. Word has length 96 [2020-07-19 23:27:11,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:27:11,565 INFO L479 AbstractCegarLoop]: Abstraction has 323 states and 475 transitions. [2020-07-19 23:27:11,565 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-19 23:27:11,565 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 475 transitions. [2020-07-19 23:27:11,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-07-19 23:27:11,572 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:27:11,572 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 23:27:11,572 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 23:27:11,573 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:27:11,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:27:11,573 INFO L82 PathProgramCache]: Analyzing trace with hash 1188249681, now seen corresponding path program 1 times [2020-07-19 23:27:11,573 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:27:11,574 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590840936] [2020-07-19 23:27:11,574 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1bfdff4f [2020-07-19 23:27:11,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:27:11,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:27:11,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:27:11,819 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 23:27:11,820 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590840936] [2020-07-19 23:27:11,820 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1844429612] [2020-07-19 23:27:11,820 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1887258c No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:27:11,959 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1887258c issued 4 check-sat command(s) [2020-07-19 23:27:11,960 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 23:27:11,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 23:27:11,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 23:27:12,024 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 23:27:12,025 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 23:27:12,025 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 8 [2020-07-19 23:27:12,026 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225057153] [2020-07-19 23:27:12,027 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 23:27:12,028 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:27:12,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 23:27:12,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-19 23:27:12,028 INFO L87 Difference]: Start difference. First operand 323 states and 475 transitions. Second operand 3 states. [2020-07-19 23:27:12,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:27:12,624 INFO L93 Difference]: Finished difference Result 933 states and 1395 transitions. [2020-07-19 23:27:12,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 23:27:12,625 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 104 [2020-07-19 23:27:12,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:27:12,630 INFO L225 Difference]: With dead ends: 933 [2020-07-19 23:27:12,630 INFO L226 Difference]: Without dead ends: 616 [2020-07-19 23:27:12,632 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-19 23:27:12,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2020-07-19 23:27:12,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 615. [2020-07-19 23:27:12,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 615 states. [2020-07-19 23:27:12,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 615 states and 873 transitions. [2020-07-19 23:27:12,670 INFO L78 Accepts]: Start accepts. Automaton has 615 states and 873 transitions. Word has length 104 [2020-07-19 23:27:12,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:27:12,670 INFO L479 AbstractCegarLoop]: Abstraction has 615 states and 873 transitions. [2020-07-19 23:27:12,671 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 23:27:12,671 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 873 transitions. [2020-07-19 23:27:12,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-07-19 23:27:12,678 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:27:12,678 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] [2020-07-19 23:27:12,891 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-07-19 23:27:12,892 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:27:12,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:27:12,893 INFO L82 PathProgramCache]: Analyzing trace with hash -1268971123, now seen corresponding path program 1 times [2020-07-19 23:27:12,894 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:27:12,895 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852616776] [2020-07-19 23:27:12,895 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1bfdff4f [2020-07-19 23:27:12,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:27:13,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:27:13,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:27:13,123 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 23:27:13,125 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852616776] [2020-07-19 23:27:13,125 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 23:27:13,125 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-19 23:27:13,125 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306268376] [2020-07-19 23:27:13,126 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 23:27:13,126 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:27:13,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 23:27:13,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-19 23:27:13,129 INFO L87 Difference]: Start difference. First operand 615 states and 873 transitions. Second operand 8 states. [2020-07-19 23:27:13,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:27:13,973 INFO L93 Difference]: Finished difference Result 1236 states and 1816 transitions. [2020-07-19 23:27:13,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-19 23:27:13,974 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 106 [2020-07-19 23:27:13,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:27:13,978 INFO L225 Difference]: With dead ends: 1236 [2020-07-19 23:27:13,978 INFO L226 Difference]: Without dead ends: 627 [2020-07-19 23:27:13,980 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-07-19 23:27:13,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2020-07-19 23:27:14,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 603. [2020-07-19 23:27:14,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 603 states. [2020-07-19 23:27:14,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 603 states and 814 transitions. [2020-07-19 23:27:14,012 INFO L78 Accepts]: Start accepts. Automaton has 603 states and 814 transitions. Word has length 106 [2020-07-19 23:27:14,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:27:14,013 INFO L479 AbstractCegarLoop]: Abstraction has 603 states and 814 transitions. [2020-07-19 23:27:14,013 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 23:27:14,013 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 814 transitions. [2020-07-19 23:27:14,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-07-19 23:27:14,019 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:27:14,019 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 23:27:14,020 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-19 23:27:14,020 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:27:14,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:27:14,020 INFO L82 PathProgramCache]: Analyzing trace with hash 2106809349, now seen corresponding path program 1 times [2020-07-19 23:27:14,020 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:27:14,021 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374083351] [2020-07-19 23:27:14,021 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1bfdff4f [2020-07-19 23:27:14,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:27:14,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:27:14,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:27:14,187 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 23:27:14,188 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374083351] [2020-07-19 23:27:14,188 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1886739459] [2020-07-19 23:27:14,188 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@644cbc0f No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:27:14,274 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@644cbc0f issued 4 check-sat command(s) [2020-07-19 23:27:14,275 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 23:27:14,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 23:27:14,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 23:27:14,317 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 23:27:14,318 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 23:27:14,318 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-07-19 23:27:14,318 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859255276] [2020-07-19 23:27:14,319 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 23:27:14,319 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:27:14,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 23:27:14,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-19 23:27:14,320 INFO L87 Difference]: Start difference. First operand 603 states and 814 transitions. Second operand 3 states. [2020-07-19 23:27:14,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:27:14,858 INFO L93 Difference]: Finished difference Result 1204 states and 1650 transitions. [2020-07-19 23:27:14,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 23:27:14,859 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 110 [2020-07-19 23:27:14,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:27:14,867 INFO L225 Difference]: With dead ends: 1204 [2020-07-19 23:27:14,867 INFO L226 Difference]: Without dead ends: 751 [2020-07-19 23:27:14,868 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-19 23:27:14,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 751 states. [2020-07-19 23:27:14,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 751 to 607. [2020-07-19 23:27:14,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 607 states. [2020-07-19 23:27:14,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 781 transitions. [2020-07-19 23:27:14,894 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 781 transitions. Word has length 110 [2020-07-19 23:27:14,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:27:14,896 INFO L479 AbstractCegarLoop]: Abstraction has 607 states and 781 transitions. [2020-07-19 23:27:14,896 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 23:27:14,896 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 781 transitions. [2020-07-19 23:27:14,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-07-19 23:27:14,904 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:27:14,905 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 23:27:15,117 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:27:15,118 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:27:15,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:27:15,118 INFO L82 PathProgramCache]: Analyzing trace with hash -1318994351, now seen corresponding path program 1 times [2020-07-19 23:27:15,119 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:27:15,119 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171266814] [2020-07-19 23:27:15,119 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1bfdff4f [2020-07-19 23:27:15,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:27:15,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:27:15,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:27:15,283 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 23:27:15,284 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171266814] [2020-07-19 23:27:15,284 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1736670344] [2020-07-19 23:27:15,284 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2b037bdc No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:27:15,382 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@2b037bdc issued 4 check-sat command(s) [2020-07-19 23:27:15,382 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 23:27:15,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-19 23:27:15,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 23:27:15,434 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 23:27:15,435 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 23:27:15,435 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7 [2020-07-19 23:27:15,435 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443077564] [2020-07-19 23:27:15,436 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-19 23:27:15,436 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:27:15,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-19 23:27:15,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-19 23:27:15,437 INFO L87 Difference]: Start difference. First operand 607 states and 781 transitions. Second operand 7 states. [2020-07-19 23:27:17,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:27:17,333 INFO L93 Difference]: Finished difference Result 2993 states and 4035 transitions. [2020-07-19 23:27:17,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-19 23:27:17,334 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 117 [2020-07-19 23:27:17,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:27:17,352 INFO L225 Difference]: With dead ends: 2993 [2020-07-19 23:27:17,353 INFO L226 Difference]: Without dead ends: 2392 [2020-07-19 23:27:17,355 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2020-07-19 23:27:17,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2392 states. [2020-07-19 23:27:17,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2392 to 2388. [2020-07-19 23:27:17,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2388 states. [2020-07-19 23:27:17,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2388 states to 2388 states and 3022 transitions. [2020-07-19 23:27:17,454 INFO L78 Accepts]: Start accepts. Automaton has 2388 states and 3022 transitions. Word has length 117 [2020-07-19 23:27:17,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:27:17,455 INFO L479 AbstractCegarLoop]: Abstraction has 2388 states and 3022 transitions. [2020-07-19 23:27:17,456 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-19 23:27:17,460 INFO L276 IsEmpty]: Start isEmpty. Operand 2388 states and 3022 transitions. [2020-07-19 23:27:17,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-07-19 23:27:17,467 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:27:17,467 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 23:27:17,673 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:27:17,674 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:27:17,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:27:17,675 INFO L82 PathProgramCache]: Analyzing trace with hash 212891463, now seen corresponding path program 1 times [2020-07-19 23:27:17,675 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:27:17,676 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496947546] [2020-07-19 23:27:17,676 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1bfdff4f [2020-07-19 23:27:17,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:27:17,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:27:17,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:27:17,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:27:17,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:27:17,921 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 32 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-19 23:27:17,922 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496947546] [2020-07-19 23:27:17,922 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2003104906] [2020-07-19 23:27:17,923 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@780f6361 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:27:18,066 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@780f6361 issued 4 check-sat command(s) [2020-07-19 23:27:18,066 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 23:27:18,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 23:27:18,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 23:27:18,161 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 44 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-19 23:27:18,162 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 23:27:18,163 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 12 [2020-07-19 23:27:18,163 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677217725] [2020-07-19 23:27:18,164 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-19 23:27:18,165 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:27:18,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-19 23:27:18,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-07-19 23:27:18,166 INFO L87 Difference]: Start difference. First operand 2388 states and 3022 transitions. Second operand 12 states. [2020-07-19 23:27:18,550 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 59 [2020-07-19 23:27:22,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:27:22,031 INFO L93 Difference]: Finished difference Result 6476 states and 8327 transitions. [2020-07-19 23:27:22,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-07-19 23:27:22,032 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 133 [2020-07-19 23:27:22,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:27:22,054 INFO L225 Difference]: With dead ends: 6476 [2020-07-19 23:27:22,054 INFO L226 Difference]: Without dead ends: 4094 [2020-07-19 23:27:22,063 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 371 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=322, Invalid=1238, Unknown=0, NotChecked=0, Total=1560 [2020-07-19 23:27:22,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4094 states. [2020-07-19 23:27:22,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4094 to 3628. [2020-07-19 23:27:22,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3628 states. [2020-07-19 23:27:22,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3628 states to 3628 states and 4260 transitions. [2020-07-19 23:27:22,175 INFO L78 Accepts]: Start accepts. Automaton has 3628 states and 4260 transitions. Word has length 133 [2020-07-19 23:27:22,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:27:22,176 INFO L479 AbstractCegarLoop]: Abstraction has 3628 states and 4260 transitions. [2020-07-19 23:27:22,176 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-19 23:27:22,176 INFO L276 IsEmpty]: Start isEmpty. Operand 3628 states and 4260 transitions. [2020-07-19 23:27:22,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-07-19 23:27:22,185 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:27:22,186 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 23:27:22,400 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:27:22,401 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:27:22,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:27:22,402 INFO L82 PathProgramCache]: Analyzing trace with hash -183412167, now seen corresponding path program 1 times [2020-07-19 23:27:22,402 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:27:22,402 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781327354] [2020-07-19 23:27:22,402 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1bfdff4f [2020-07-19 23:27:22,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:27:22,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:27:22,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:27:22,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:27:22,618 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 58 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-19 23:27:22,618 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781327354] [2020-07-19 23:27:22,618 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [762178046] [2020-07-19 23:27:22,618 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@275bed22 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:27:22,738 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@275bed22 issued 4 check-sat command(s) [2020-07-19 23:27:22,738 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 23:27:22,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-19 23:27:22,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 23:27:22,806 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-07-19 23:27:22,807 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 23:27:22,807 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2020-07-19 23:27:22,807 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909111053] [2020-07-19 23:27:22,808 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-19 23:27:22,808 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:27:22,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-19 23:27:22,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-19 23:27:22,809 INFO L87 Difference]: Start difference. First operand 3628 states and 4260 transitions. Second operand 5 states. [2020-07-19 23:27:23,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:27:23,507 INFO L93 Difference]: Finished difference Result 7315 states and 8805 transitions. [2020-07-19 23:27:23,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-19 23:27:23,508 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 147 [2020-07-19 23:27:23,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:27:23,524 INFO L225 Difference]: With dead ends: 7315 [2020-07-19 23:27:23,524 INFO L226 Difference]: Without dead ends: 3693 [2020-07-19 23:27:23,535 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2020-07-19 23:27:23,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3693 states. [2020-07-19 23:27:23,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3693 to 3639. [2020-07-19 23:27:23,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3639 states. [2020-07-19 23:27:23,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3639 states to 3639 states and 4038 transitions. [2020-07-19 23:27:23,624 INFO L78 Accepts]: Start accepts. Automaton has 3639 states and 4038 transitions. Word has length 147 [2020-07-19 23:27:23,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:27:23,624 INFO L479 AbstractCegarLoop]: Abstraction has 3639 states and 4038 transitions. [2020-07-19 23:27:23,624 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-19 23:27:23,624 INFO L276 IsEmpty]: Start isEmpty. Operand 3639 states and 4038 transitions. [2020-07-19 23:27:23,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-07-19 23:27:23,633 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:27:23,633 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 23:27:23,847 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-07-19 23:27:23,848 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:27:23,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:27:23,849 INFO L82 PathProgramCache]: Analyzing trace with hash -2138128549, now seen corresponding path program 1 times [2020-07-19 23:27:23,849 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:27:23,850 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337801124] [2020-07-19 23:27:23,850 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1bfdff4f [2020-07-19 23:27:23,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:27:23,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:27:23,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:27:23,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:27:23,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:27:24,108 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 102 proven. 34 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-19 23:27:24,108 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337801124] [2020-07-19 23:27:24,109 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1449380088] [2020-07-19 23:27:24,109 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3d1ff6a7 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:27:24,227 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@3d1ff6a7 issued 4 check-sat command(s) [2020-07-19 23:27:24,227 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 23:27:24,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 23:27:24,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 23:27:24,275 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 88 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-07-19 23:27:24,275 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 23:27:24,276 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 10 [2020-07-19 23:27:24,276 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174523623] [2020-07-19 23:27:24,277 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-19 23:27:24,277 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:27:24,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-19 23:27:24,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-19 23:27:24,278 INFO L87 Difference]: Start difference. First operand 3639 states and 4038 transitions. Second operand 10 states. [2020-07-19 23:27:25,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:27:25,741 INFO L93 Difference]: Finished difference Result 7872 states and 8799 transitions. [2020-07-19 23:27:25,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-19 23:27:25,742 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 197 [2020-07-19 23:27:25,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:27:25,764 INFO L225 Difference]: With dead ends: 7872 [2020-07-19 23:27:25,764 INFO L226 Difference]: Without dead ends: 4239 [2020-07-19 23:27:25,775 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2020-07-19 23:27:25,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4239 states. [2020-07-19 23:27:25,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4239 to 4231. [2020-07-19 23:27:25,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4231 states. [2020-07-19 23:27:25,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4231 states to 4231 states and 4693 transitions. [2020-07-19 23:27:25,903 INFO L78 Accepts]: Start accepts. Automaton has 4231 states and 4693 transitions. Word has length 197 [2020-07-19 23:27:25,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:27:25,907 INFO L479 AbstractCegarLoop]: Abstraction has 4231 states and 4693 transitions. [2020-07-19 23:27:25,908 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-19 23:27:25,909 INFO L276 IsEmpty]: Start isEmpty. Operand 4231 states and 4693 transitions. [2020-07-19 23:27:25,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2020-07-19 23:27:25,927 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 23:27:25,927 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 23:27:26,141 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:27:26,142 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 23:27:26,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 23:27:26,143 INFO L82 PathProgramCache]: Analyzing trace with hash 1298715091, now seen corresponding path program 1 times [2020-07-19 23:27:26,143 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-19 23:27:26,143 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508433257] [2020-07-19 23:27:26,144 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@1bfdff4f [2020-07-19 23:27:26,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:27:26,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:27:26,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:27:26,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:27:26,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 23:27:26,451 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 110 proven. 34 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-19 23:27:26,452 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508433257] [2020-07-19 23:27:26,453 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1605901372] [2020-07-19 23:27:26,453 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@fae7ab7 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:27:26,669 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@fae7ab7 issued 4 check-sat command(s) [2020-07-19 23:27:26,669 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-19 23:27:26,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 23:27:26,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 23:27:26,788 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 145 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-19 23:27:26,789 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 23:27:26,789 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-07-19 23:27:26,792 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079483255] [2020-07-19 23:27:26,794 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-19 23:27:26,794 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-19 23:27:26,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-19 23:27:26,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-07-19 23:27:26,795 INFO L87 Difference]: Start difference. First operand 4231 states and 4693 transitions. Second operand 10 states. [2020-07-19 23:27:30,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 23:27:30,256 INFO L93 Difference]: Finished difference Result 8266 states and 9084 transitions. [2020-07-19 23:27:30,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-07-19 23:27:30,261 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 201 [2020-07-19 23:27:30,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 23:27:30,261 INFO L225 Difference]: With dead ends: 8266 [2020-07-19 23:27:30,261 INFO L226 Difference]: Without dead ends: 0 [2020-07-19 23:27:30,274 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=137, Invalid=463, Unknown=0, NotChecked=0, Total=600 [2020-07-19 23:27:30,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-19 23:27:30,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-19 23:27:30,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-19 23:27:30,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-19 23:27:30,275 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 201 [2020-07-19 23:27:30,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 23:27:30,275 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-19 23:27:30,275 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-19 23:27:30,275 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-19 23:27:30,275 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-19 23:27:30,489 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 23:27:30,493 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-19 23:27:30,930 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 120 [2020-07-19 23:27:31,101 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 120 [2020-07-19 23:27:32,360 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 153 DAG size of output: 64 [2020-07-19 23:27:32,915 WARN L193 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 52 [2020-07-19 23:27:33,421 WARN L193 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 52 [2020-07-19 23:27:33,425 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-19 23:27:33,425 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a11~0 |old(~a11~0)|) (= ~z~0 |old(~z~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~v~0 |old(~v~0)|) (= ~a17~0 |old(~a17~0)|) (= ~y~0 |old(~y~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|) (= ~d~0 |old(~d~0)|)) [2020-07-19 23:27:33,425 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-19 23:27:33,425 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:33,425 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:33,425 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:33,426 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:33,426 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:33,426 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-07-19 23:27:33,426 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-07-19 23:27:33,426 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-19 23:27:33,426 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-07-19 23:27:33,426 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-07-19 23:27:33,426 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-19 23:27:33,426 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-07-19 23:27:33,426 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-07-19 23:27:33,426 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-07-19 23:27:33,427 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-07-19 23:27:33,427 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-07-19 23:27:33,427 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-07-19 23:27:33,427 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-07-19 23:27:33,427 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:33,427 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:33,427 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:33,427 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:33,427 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-07-19 23:27:33,427 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:33,427 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-07-19 23:27:33,427 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-07-19 23:27:33,427 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-07-19 23:27:33,427 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-07-19 23:27:33,428 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-07-19 23:27:33,428 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-07-19 23:27:33,428 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-07-19 23:27:33,428 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-07-19 23:27:33,428 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-07-19 23:27:33,428 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-07-19 23:27:33,428 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-07-19 23:27:33,428 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-07-19 23:27:33,428 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-07-19 23:27:33,428 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-07-19 23:27:33,429 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-07-19 23:27:33,429 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:33,429 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:33,429 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:33,429 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:33,429 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:33,429 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 442) no Hoare annotation was computed. [2020-07-19 23:27:33,429 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-07-19 23:27:33,430 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-07-19 23:27:33,430 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-07-19 23:27:33,430 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-19 23:27:33,430 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-07-19 23:27:33,430 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-19 23:27:33,430 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-07-19 23:27:33,430 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-19 23:27:33,430 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-07-19 23:27:33,430 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-07-19 23:27:33,431 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-07-19 23:27:33,431 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:33,431 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:33,431 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:33,431 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:33,431 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:33,431 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-07-19 23:27:33,431 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-07-19 23:27:33,432 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-07-19 23:27:33,432 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-07-19 23:27:33,432 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-07-19 23:27:33,432 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-07-19 23:27:33,432 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-19 23:27:33,432 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-07-19 23:27:33,432 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-07-19 23:27:33,432 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-07-19 23:27:33,432 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-07-19 23:27:33,433 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-07-19 23:27:33,433 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-07-19 23:27:33,433 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:33,433 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:33,433 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:33,433 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:33,433 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:33,433 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-07-19 23:27:33,434 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-19 23:27:33,434 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-07-19 23:27:33,434 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-07-19 23:27:33,434 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-19 23:27:33,434 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-07-19 23:27:33,434 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-07-19 23:27:33,434 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-07-19 23:27:33,434 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-07-19 23:27:33,434 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-07-19 23:27:33,435 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-07-19 23:27:33,435 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-07-19 23:27:33,435 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-07-19 23:27:33,435 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-07-19 23:27:33,435 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-07-19 23:27:33,435 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-07-19 23:27:33,435 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:33,435 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:33,435 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:33,435 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:33,436 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-07-19 23:27:33,436 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:33,436 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-07-19 23:27:33,436 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:33,436 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-07-19 23:27:33,436 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-07-19 23:27:33,436 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-07-19 23:27:33,436 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:33,436 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:33,437 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-19 23:27:33,437 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-07-19 23:27:33,437 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-07-19 23:27:33,437 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-19 23:27:33,437 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-19 23:27:33,437 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-07-19 23:27:33,437 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-07-19 23:27:33,437 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-07-19 23:27:33,437 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-07-19 23:27:33,437 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-07-19 23:27:33,437 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-07-19 23:27:33,437 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:33,437 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:33,438 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:33,438 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:33,438 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:33,438 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:33,438 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-07-19 23:27:33,438 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-19 23:27:33,438 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-19 23:27:33,438 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-19 23:27:33,438 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-19 23:27:33,438 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-19 23:27:33,438 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-07-19 23:27:33,438 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-07-19 23:27:33,438 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-07-19 23:27:33,438 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-07-19 23:27:33,438 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-07-19 23:27:33,439 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:33,439 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:33,439 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:33,439 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:33,439 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:33,439 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:33,439 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-07-19 23:27:33,439 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-07-19 23:27:33,439 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-07-19 23:27:33,439 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-19 23:27:33,439 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-19 23:27:33,440 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-07-19 23:27:33,440 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-19 23:27:33,440 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-19 23:27:33,440 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-07-19 23:27:33,440 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-07-19 23:27:33,440 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-07-19 23:27:33,440 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-07-19 23:27:33,440 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-07-19 23:27:33,440 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-07-19 23:27:33,441 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:33,441 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:33,441 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:33,441 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse5 (= ~a25~0 |old(~a25~0)|)) (.cse21 (= 1 |old(~a25~0)|)) (.cse20 (= 1 |old(~a19~0)|)) (.cse0 (= ~a11~0 |old(~a11~0)|)) (.cse1 (= ~a17~0 |old(~a17~0)|)) (.cse3 (= ~a19~0 |old(~a19~0)|)) (.cse10 (= ~a28~0 |old(~a28~0)|)) (.cse11 (= 1 ~a25~0))) (let ((.cse17 (and .cse0 .cse1 .cse3 .cse10 .cse11)) (.cse15 (not .cse20)) (.cse16 (not (<= |old(~a28~0)| 7))) (.cse14 (not (<= |old(~a11~0)| 0))) (.cse6 (not (<= 9 |old(~a28~0)|))) (.cse13 (not .cse21)) (.cse2 (<= ~a28~0 9)) (.cse4 (<= 9 ~a28~0)) (.cse7 (not (<= |old(~a28~0)| 9))) (.cse8 (not (<= 8 |old(~a17~0)|))) (.cse9 (not (<= |old(~a17~0)| 8))) (.cse12 (not (<= |old(~a28~0)| 10))) (.cse19 (and .cse0 .cse1 .cse3 .cse10 .cse5)) (.cse18 (not (<= 10 |old(~a28~0)|)))) (and (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) .cse6 .cse7 .cse8 .cse9) (or (and .cse0 .cse1 .cse10 .cse3 .cse11) .cse12 .cse13 .cse8 .cse9 .cse14) (or .cse15 .cse16 .cse13 .cse17 .cse9) (or .cse15 .cse8 .cse13 .cse17 .cse9 .cse14) (or .cse15 .cse12 (and .cse0 .cse1 .cse10 .cse3 .cse5) .cse8 .cse18 .cse9) (or .cse15 .cse16 .cse19 .cse9 .cse14) (or .cse6 .cse7 .cse13 (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse11) .cse9 (= |old(~a19~0)| |old(~a25~0)|)) (or .cse20 .cse7 .cse8 .cse19 .cse9) (or .cse21 .cse12 .cse19 (not (<= |old(~a17~0)| 7)) .cse18)))) [2020-07-19 23:27:33,441 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:33,441 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:33,442 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:33,442 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-07-19 23:27:33,442 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-07-19 23:27:33,442 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-07-19 23:27:33,442 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-19 23:27:33,442 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-19 23:27:33,442 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-19 23:27:33,442 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-07-19 23:27:33,442 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-19 23:27:33,443 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-07-19 23:27:33,443 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-07-19 23:27:33,443 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-07-19 23:27:33,443 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-07-19 23:27:33,443 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-07-19 23:27:33,443 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:33,443 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:33,443 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:33,444 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:33,444 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:33,444 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:33,444 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-07-19 23:27:33,444 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-07-19 23:27:33,444 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-19 23:27:33,444 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-07-19 23:27:33,444 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-07-19 23:27:33,444 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-19 23:27:33,445 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-19 23:27:33,445 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-07-19 23:27:33,445 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-07-19 23:27:33,445 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-07-19 23:27:33,445 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-07-19 23:27:33,445 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-07-19 23:27:33,445 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-07-19 23:27:33,445 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-07-19 23:27:33,445 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-07-19 23:27:33,446 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-07-19 23:27:33,446 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:33,446 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:33,446 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:33,446 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:33,446 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 23:27:33,446 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-07-19 23:27:33,446 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-07-19 23:27:33,446 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-07-19 23:27:33,447 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-07-19 23:27:33,447 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-19 23:27:33,447 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-07-19 23:27:33,447 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-07-19 23:27:33,447 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-19 23:27:33,447 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-19 23:27:33,447 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-07-19 23:27:33,447 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-07-19 23:27:33,447 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-07-19 23:27:33,448 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-07-19 23:27:33,448 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-07-19 23:27:33,448 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-07-19 23:27:33,448 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-07-19 23:27:33,448 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-07-19 23:27:33,448 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-07-19 23:27:33,448 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-07-19 23:27:33,448 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-19 23:27:33,448 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a19~0) (<= ~a11~0 0) (<= ~a17~0 8) (not (= 1 ~a25~0)) (<= ~a28~0 7)) [2020-07-19 23:27:33,449 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-19 23:27:33,449 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-19 23:27:33,449 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 |old(~a19~0)|)) (not (<= |old(~a28~0)| 7)) (and (= ~a11~0 |old(~a11~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a25~0 |old(~a25~0)|)) (not (<= |old(~a17~0)| 8)) (not (<= |old(~a11~0)| 0)) (= |old(~a19~0)| |old(~a25~0)|)) [2020-07-19 23:27:33,449 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse7 (= 1 ~a19~0))) (let ((.cse5 (<= ~a28~0 10)) (.cse2 (<= ~a28~0 9)) (.cse3 (not .cse7)) (.cse8 (<= 9 ~a28~0)) (.cse4 (<= ~a11~0 |old(~a11~0)|)) (.cse0 (<= ~a17~0 |old(~a17~0)|)) (.cse1 (<= 8 ~a17~0)) (.cse6 (= 1 ~a25~0))) (or (not (= 1 |old(~a19~0)|)) (and .cse0 .cse1 .cse2 .cse3) (not (<= |old(~a28~0)| 7)) (and .cse4 .cse0 .cse1 .cse5 .cse6) (and .cse7 .cse0 (<= ~a28~0 7) .cse6) (not (<= |old(~a11~0)| 0)) (= 1 |old(~a25~0)|) (and (= ~a11~0 |old(~a11~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|)) (and .cse0 .cse5 (<= ~a17~0 7) (<= 10 ~a28~0) (not .cse6)) (and .cse7 .cse0 .cse1 .cse5 .cse8) (not (<= |old(~a17~0)| 8)) (and .cse0 .cse2 .cse3 .cse8 .cse6) (and .cse7 .cse4 .cse0 .cse1 .cse6)))) [2020-07-19 23:27:33,449 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-07-19 23:27:33,449 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-07-19 23:27:33,450 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse7 (= 1 ~a19~0))) (let ((.cse5 (<= ~a28~0 10)) (.cse2 (<= ~a28~0 9)) (.cse3 (not .cse7)) (.cse8 (<= 9 ~a28~0)) (.cse4 (<= ~a11~0 |old(~a11~0)|)) (.cse0 (<= ~a17~0 |old(~a17~0)|)) (.cse1 (<= 8 ~a17~0)) (.cse6 (= 1 ~a25~0))) (or (not (= 1 |old(~a19~0)|)) (and .cse0 .cse1 .cse2 .cse3) (not (<= |old(~a28~0)| 7)) (and .cse4 .cse0 .cse1 .cse5 .cse6) (and .cse7 .cse0 (<= ~a28~0 7) .cse6) (not (<= |old(~a11~0)| 0)) (= 1 |old(~a25~0)|) (and (= ~a11~0 |old(~a11~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|)) (and .cse0 .cse5 (<= ~a17~0 7) (<= 10 ~a28~0) (not .cse6)) (and .cse7 .cse0 .cse1 .cse5 .cse8) (not (<= |old(~a17~0)| 8)) (and .cse0 .cse2 .cse3 .cse8 .cse6) (and .cse7 .cse4 .cse0 .cse1 .cse6)))) [2020-07-19 23:27:33,450 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-07-19 23:27:33,450 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-07-19 23:27:33,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 11:27:33 BoogieIcfgContainer [2020-07-19 23:27:33,480 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 23:27:33,482 INFO L168 Benchmark]: Toolchain (without parser) took 26128.87 ms. Allocated memory was 139.5 MB in the beginning and 552.6 MB in the end (delta: 413.1 MB). Free memory was 103.0 MB in the beginning and 220.3 MB in the end (delta: -117.3 MB). Peak memory consumption was 436.2 MB. Max. memory is 7.1 GB. [2020-07-19 23:27:33,487 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-19 23:27:33,489 INFO L168 Benchmark]: CACSL2BoogieTranslator took 631.21 ms. Allocated memory was 139.5 MB in the beginning and 206.6 MB in the end (delta: 67.1 MB). Free memory was 102.6 MB in the beginning and 174.2 MB in the end (delta: -71.6 MB). Peak memory consumption was 35.5 MB. Max. memory is 7.1 GB. [2020-07-19 23:27:33,490 INFO L168 Benchmark]: Boogie Preprocessor took 105.21 ms. Allocated memory is still 206.6 MB. Free memory was 174.2 MB in the beginning and 169.3 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-07-19 23:27:33,491 INFO L168 Benchmark]: RCFGBuilder took 1122.72 ms. Allocated memory was 206.6 MB in the beginning and 239.1 MB in the end (delta: 32.5 MB). Free memory was 169.3 MB in the beginning and 182.2 MB in the end (delta: -12.9 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB. [2020-07-19 23:27:33,495 INFO L168 Benchmark]: TraceAbstraction took 24263.72 ms. Allocated memory was 239.1 MB in the beginning and 552.6 MB in the end (delta: 313.5 MB). Free memory was 182.2 MB in the beginning and 220.3 MB in the end (delta: -38.1 MB). Peak memory consumption was 415.8 MB. Max. memory is 7.1 GB. [2020-07-19 23:27:33,501 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 631.21 ms. Allocated memory was 139.5 MB in the beginning and 206.6 MB in the end (delta: 67.1 MB). Free memory was 102.6 MB in the beginning and 174.2 MB in the end (delta: -71.6 MB). Peak memory consumption was 35.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 105.21 ms. Allocated memory is still 206.6 MB. Free memory was 174.2 MB in the beginning and 169.3 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1122.72 ms. Allocated memory was 206.6 MB in the beginning and 239.1 MB in the end (delta: 32.5 MB). Free memory was 169.3 MB in the beginning and 182.2 MB in the end (delta: -12.9 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 24263.72 ms. Allocated memory was 239.1 MB in the beginning and 552.6 MB in the end (delta: 313.5 MB). Free memory was 182.2 MB in the beginning and 220.3 MB in the end (delta: -38.1 MB). Peak memory consumption was 415.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 442]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((((!(1 == \old(a19)) || (((a17 <= \old(a17) && 8 <= a17) && a28 <= 9) && !(1 == a19))) || !(\old(a28) <= 7)) || ((((a11 <= \old(a11) && a17 <= \old(a17)) && 8 <= a17) && a28 <= 10) && 1 == a25)) || (((1 == a19 && a17 <= \old(a17)) && a28 <= 7) && 1 == a25)) || !(\old(a11) <= 0)) || 1 == \old(a25)) || ((((a11 == \old(a11) && a17 == \old(a17)) && a19 == \old(a19)) && a28 == \old(a28)) && a25 == \old(a25))) || ((((a17 <= \old(a17) && a28 <= 10) && a17 <= 7) && 10 <= a28) && !(1 == a25))) || ((((1 == a19 && a17 <= \old(a17)) && 8 <= a17) && a28 <= 10) && 9 <= a28)) || !(\old(a17) <= 8)) || ((((a17 <= \old(a17) && a28 <= 9) && !(1 == a19)) && 9 <= a28) && 1 == a25)) || ((((1 == a19 && a11 <= \old(a11)) && a17 <= \old(a17)) && 8 <= a17) && 1 == a25) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 21.1s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 15.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 639 SDtfs, 6039 SDslu, 535 SDs, 0 SdLazy, 9763 SolverSat, 1515 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1206 GetRequests, 1089 SyntacticMatches, 0 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 530 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4231occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 9 MinimizatonAttempts, 714 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 139 PreInvPairs, 193 NumberOfFragments, 713 HoareAnnotationTreeSize, 139 FomulaSimplifications, 29874 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 8027 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 2220 NumberOfCodeBlocks, 2220 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 2204 ConstructedInterpolants, 0 QuantifiedInterpolants, 712612 SizeOfPredicates, 10 NumberOfNonLiveVariables, 2771 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 16 InterpolantComputations, 5 PerfectInterpolantSequences, 794/899 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...