/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label08.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 12:04:34,849 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 12:04:34,851 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 12:04:34,864 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 12:04:34,864 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 12:04:34,865 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 12:04:34,867 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 12:04:34,869 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 12:04:34,871 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 12:04:34,872 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 12:04:34,873 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 12:04:34,874 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 12:04:34,874 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 12:04:34,876 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 12:04:34,877 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 12:04:34,878 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 12:04:34,879 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 12:04:34,880 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 12:04:34,882 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 12:04:34,884 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 12:04:34,885 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 12:04:34,887 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 12:04:34,888 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 12:04:34,888 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 12:04:34,891 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 12:04:34,891 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 12:04:34,891 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 12:04:34,892 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 12:04:34,893 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 12:04:34,894 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 12:04:34,894 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 12:04:34,895 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 12:04:34,896 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 12:04:34,898 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 12:04:34,899 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 12:04:34,902 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 12:04:34,903 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 12:04:34,903 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 12:04:34,903 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 12:04:34,906 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 12:04:34,907 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 12:04:34,908 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 [2020-07-17 12:04:34,934 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 12:04:34,934 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 12:04:34,936 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 12:04:34,937 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 12:04:34,937 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 12:04:34,937 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 12:04:34,937 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 12:04:34,937 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 12:04:34,938 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 12:04:34,938 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 12:04:34,939 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 12:04:34,939 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 12:04:34,939 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 12:04:34,940 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 12:04:34,940 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 12:04:34,940 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 12:04:34,940 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 12:04:34,940 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 12:04:34,941 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 12:04:34,941 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 12:04:34,941 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 12:04:34,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 12:04:34,942 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 12:04:34,942 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 12:04:34,942 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 12:04:34,942 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 12:04:34,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 12:04:34,943 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 12:04:34,943 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 12:04:34,943 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 12:04:35,238 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 12:04:35,257 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 12:04:35,260 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 12:04:35,261 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 12:04:35,262 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 12:04:35,262 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label08.c [2020-07-17 12:04:35,325 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52ca4a300/ed49549065834efbb294a2f3368b53a2/FLAGdc162f57a [2020-07-17 12:04:35,875 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 12:04:35,876 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label08.c [2020-07-17 12:04:35,898 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52ca4a300/ed49549065834efbb294a2f3368b53a2/FLAGdc162f57a [2020-07-17 12:04:36,192 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52ca4a300/ed49549065834efbb294a2f3368b53a2 [2020-07-17 12:04:36,204 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 12:04:36,207 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 12:04:36,214 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 12:04:36,214 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 12:04:36,218 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 12:04:36,219 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 12:04:36" (1/1) ... [2020-07-17 12:04:36,223 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b59e439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:04:36, skipping insertion in model container [2020-07-17 12:04:36,224 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 12:04:36" (1/1) ... [2020-07-17 12:04:36,233 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 12:04:36,289 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 12:04:36,888 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 12:04:36,893 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 12:04:36,974 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 12:04:36,994 INFO L208 MainTranslator]: Completed translation [2020-07-17 12:04:36,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:04:36 WrapperNode [2020-07-17 12:04:36,996 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 12:04:36,996 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 12:04:36,997 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 12:04:36,997 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 12:04:37,012 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:04:36" (1/1) ... [2020-07-17 12:04:37,012 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:04:36" (1/1) ... [2020-07-17 12:04:37,031 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:04:36" (1/1) ... [2020-07-17 12:04:37,031 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:04:36" (1/1) ... [2020-07-17 12:04:37,087 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:04:36" (1/1) ... [2020-07-17 12:04:37,103 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:04:36" (1/1) ... [2020-07-17 12:04:37,108 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:04:36" (1/1) ... [2020-07-17 12:04:37,115 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 12:04:37,116 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 12:04:37,116 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 12:04:37,116 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 12:04:37,117 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:04:36" (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 [2020-07-17 12:04:37,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 12:04:37,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 12:04:37,195 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-17 12:04:37,195 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 12:04:37,196 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-17 12:04:37,196 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 12:04:37,196 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 12:04:37,196 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-17 12:04:37,196 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 12:04:37,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 12:04:37,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 12:04:38,470 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 12:04:38,471 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-17 12:04:38,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 12:04:38 BoogieIcfgContainer [2020-07-17 12:04:38,483 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 12:04:38,486 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 12:04:38,487 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 12:04:38,491 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 12:04:38,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 12:04:36" (1/3) ... [2020-07-17 12:04:38,493 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7949676a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 12:04:38, skipping insertion in model container [2020-07-17 12:04:38,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:04:36" (2/3) ... [2020-07-17 12:04:38,495 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7949676a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 12:04:38, skipping insertion in model container [2020-07-17 12:04:38,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 12:04:38" (3/3) ... [2020-07-17 12:04:38,499 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label08.c [2020-07-17 12:04:38,514 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 12:04:38,528 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 12:04:38,548 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 12:04:38,587 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 12:04:38,588 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 12:04:38,588 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 12:04:38,588 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 12:04:38,589 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 12:04:38,589 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 12:04:38,589 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 12:04:38,589 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 12:04:38,621 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-07-17 12:04:38,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-07-17 12:04:38,648 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:04:38,650 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:04:38,650 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:04:38,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:04:38,658 INFO L82 PathProgramCache]: Analyzing trace with hash -1920403729, now seen corresponding path program 1 times [2020-07-17 12:04:38,669 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:04:38,670 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658941352] [2020-07-17 12:04:38,670 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:04:38,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:04:39,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:04:39,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:04:39,317 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658941352] [2020-07-17 12:04:39,319 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 12:04:39,319 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 12:04:39,321 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369903131] [2020-07-17 12:04:39,333 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 12:04:39,334 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:04:39,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 12:04:39,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-17 12:04:39,354 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 5 states. [2020-07-17 12:04:40,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:04:40,975 INFO L93 Difference]: Finished difference Result 557 states and 956 transitions. [2020-07-17 12:04:40,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 12:04:40,980 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 119 [2020-07-17 12:04:40,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:04:41,017 INFO L225 Difference]: With dead ends: 557 [2020-07-17 12:04:41,017 INFO L226 Difference]: Without dead ends: 286 [2020-07-17 12:04:41,031 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-07-17 12:04:41,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-07-17 12:04:41,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 280. [2020-07-17 12:04:41,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-07-17 12:04:41,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 402 transitions. [2020-07-17 12:04:41,129 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 402 transitions. Word has length 119 [2020-07-17 12:04:41,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:04:41,130 INFO L479 AbstractCegarLoop]: Abstraction has 280 states and 402 transitions. [2020-07-17 12:04:41,130 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 12:04:41,131 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 402 transitions. [2020-07-17 12:04:41,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-07-17 12:04:41,134 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:04:41,135 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:04:41,135 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 12:04:41,135 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:04:41,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:04:41,136 INFO L82 PathProgramCache]: Analyzing trace with hash 10659704, now seen corresponding path program 1 times [2020-07-17 12:04:41,136 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:04:41,137 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342709444] [2020-07-17 12:04:41,137 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:04:41,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:04:41,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:04:41,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:04:41,354 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:04:41,355 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342709444] [2020-07-17 12:04:41,355 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 12:04:41,356 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-17 12:04:41,356 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37608160] [2020-07-17 12:04:41,358 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 12:04:41,358 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:04:41,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 12:04:41,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-17 12:04:41,359 INFO L87 Difference]: Start difference. First operand 280 states and 402 transitions. Second operand 8 states. [2020-07-17 12:04:42,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:04:42,882 INFO L93 Difference]: Finished difference Result 713 states and 1049 transitions. [2020-07-17 12:04:42,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-17 12:04:42,883 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 129 [2020-07-17 12:04:42,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:04:42,887 INFO L225 Difference]: With dead ends: 713 [2020-07-17 12:04:42,888 INFO L226 Difference]: Without dead ends: 439 [2020-07-17 12:04:42,889 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-07-17 12:04:42,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2020-07-17 12:04:42,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 421. [2020-07-17 12:04:42,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2020-07-17 12:04:42,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 590 transitions. [2020-07-17 12:04:42,945 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 590 transitions. Word has length 129 [2020-07-17 12:04:42,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:04:42,946 INFO L479 AbstractCegarLoop]: Abstraction has 421 states and 590 transitions. [2020-07-17 12:04:42,946 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 12:04:42,946 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 590 transitions. [2020-07-17 12:04:42,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-07-17 12:04:42,952 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:04:42,952 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:04:42,952 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 12:04:42,953 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:04:42,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:04:42,953 INFO L82 PathProgramCache]: Analyzing trace with hash -1525536778, now seen corresponding path program 1 times [2020-07-17 12:04:42,953 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:04:42,958 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700638542] [2020-07-17 12:04:42,959 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:04:43,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:04:43,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:04:43,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:04:43,475 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:04:43,475 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700638542] [2020-07-17 12:04:43,476 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1686389075] [2020-07-17 12:04:43,476 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:04:43,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:04:43,594 INFO L264 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-17 12:04:43,634 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 12:04:43,691 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:04:43,692 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-17 12:04:43,692 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2020-07-17 12:04:43,693 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653812634] [2020-07-17 12:04:43,693 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 12:04:43,693 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:04:43,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 12:04:43,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-17 12:04:43,694 INFO L87 Difference]: Start difference. First operand 421 states and 590 transitions. Second operand 3 states. [2020-07-17 12:04:44,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:04:44,244 INFO L93 Difference]: Finished difference Result 1247 states and 1787 transitions. [2020-07-17 12:04:44,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 12:04:44,245 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 130 [2020-07-17 12:04:44,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:04:44,252 INFO L225 Difference]: With dead ends: 1247 [2020-07-17 12:04:44,252 INFO L226 Difference]: Without dead ends: 832 [2020-07-17 12:04:44,254 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-17 12:04:44,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2020-07-17 12:04:44,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 832. [2020-07-17 12:04:44,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 832 states. [2020-07-17 12:04:44,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1164 transitions. [2020-07-17 12:04:44,294 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1164 transitions. Word has length 130 [2020-07-17 12:04:44,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:04:44,295 INFO L479 AbstractCegarLoop]: Abstraction has 832 states and 1164 transitions. [2020-07-17 12:04:44,295 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 12:04:44,295 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1164 transitions. [2020-07-17 12:04:44,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-07-17 12:04:44,299 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:04:44,299 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:04:44,506 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-07-17 12:04:44,506 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:04:44,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:04:44,507 INFO L82 PathProgramCache]: Analyzing trace with hash 1286255682, now seen corresponding path program 1 times [2020-07-17 12:04:44,507 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:04:44,508 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929617812] [2020-07-17 12:04:44,508 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:04:44,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:04:44,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:04:44,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:04:44,748 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:04:44,748 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929617812] [2020-07-17 12:04:44,748 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [998223594] [2020-07-17 12:04:44,749 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:04:44,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:04:44,890 INFO L264 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-17 12:04:44,896 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 12:04:44,989 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:04:44,989 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-17 12:04:44,990 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 6 [2020-07-17 12:04:44,990 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183999764] [2020-07-17 12:04:44,992 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 12:04:44,993 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:04:44,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 12:04:44,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-17 12:04:44,994 INFO L87 Difference]: Start difference. First operand 832 states and 1164 transitions. Second operand 3 states. [2020-07-17 12:04:45,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:04:45,569 INFO L93 Difference]: Finished difference Result 2480 states and 3563 transitions. [2020-07-17 12:04:45,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 12:04:45,570 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 136 [2020-07-17 12:04:45,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:04:45,583 INFO L225 Difference]: With dead ends: 2480 [2020-07-17 12:04:45,583 INFO L226 Difference]: Without dead ends: 1654 [2020-07-17 12:04:45,587 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-17 12:04:45,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1654 states. [2020-07-17 12:04:45,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1654 to 1654. [2020-07-17 12:04:45,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1654 states. [2020-07-17 12:04:45,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1654 states to 1654 states and 2258 transitions. [2020-07-17 12:04:45,655 INFO L78 Accepts]: Start accepts. Automaton has 1654 states and 2258 transitions. Word has length 136 [2020-07-17 12:04:45,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:04:45,656 INFO L479 AbstractCegarLoop]: Abstraction has 1654 states and 2258 transitions. [2020-07-17 12:04:45,656 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 12:04:45,656 INFO L276 IsEmpty]: Start isEmpty. Operand 1654 states and 2258 transitions. [2020-07-17 12:04:45,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-07-17 12:04:45,662 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:04:45,663 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:04:45,875 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:04:45,876 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:04:45,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:04:45,877 INFO L82 PathProgramCache]: Analyzing trace with hash -1873222613, now seen corresponding path program 1 times [2020-07-17 12:04:45,877 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:04:45,878 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396374158] [2020-07-17 12:04:45,878 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:04:45,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:04:45,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:04:46,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:04:46,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:04:46,102 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 38 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-17 12:04:46,104 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396374158] [2020-07-17 12:04:46,104 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [225071128] [2020-07-17 12:04:46,104 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:04:46,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:04:46,202 INFO L264 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-17 12:04:46,207 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 12:04:46,255 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-07-17 12:04:46,256 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-17 12:04:46,256 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-07-17 12:04:46,257 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106038568] [2020-07-17 12:04:46,257 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 12:04:46,257 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:04:46,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 12:04:46,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-17 12:04:46,258 INFO L87 Difference]: Start difference. First operand 1654 states and 2258 transitions. Second operand 3 states. [2020-07-17 12:04:46,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:04:46,858 INFO L93 Difference]: Finished difference Result 4529 states and 6303 transitions. [2020-07-17 12:04:46,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 12:04:46,858 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 155 [2020-07-17 12:04:46,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:04:46,876 INFO L225 Difference]: With dead ends: 4529 [2020-07-17 12:04:46,876 INFO L226 Difference]: Without dead ends: 2881 [2020-07-17 12:04:46,882 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-17 12:04:46,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2881 states. [2020-07-17 12:04:46,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2881 to 2476. [2020-07-17 12:04:46,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2476 states. [2020-07-17 12:04:46,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2476 states to 2476 states and 3344 transitions. [2020-07-17 12:04:46,981 INFO L78 Accepts]: Start accepts. Automaton has 2476 states and 3344 transitions. Word has length 155 [2020-07-17 12:04:46,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:04:46,981 INFO L479 AbstractCegarLoop]: Abstraction has 2476 states and 3344 transitions. [2020-07-17 12:04:46,982 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 12:04:46,982 INFO L276 IsEmpty]: Start isEmpty. Operand 2476 states and 3344 transitions. [2020-07-17 12:04:47,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-07-17 12:04:47,027 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:04:47,028 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:04:47,233 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:04:47,234 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:04:47,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:04:47,234 INFO L82 PathProgramCache]: Analyzing trace with hash 1217695027, now seen corresponding path program 1 times [2020-07-17 12:04:47,235 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:04:47,235 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069951840] [2020-07-17 12:04:47,236 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:04:47,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:04:47,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:04:47,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:04:47,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:04:47,385 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 42 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-17 12:04:47,385 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069951840] [2020-07-17 12:04:47,386 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [635555793] [2020-07-17 12:04:47,386 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:04:47,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:04:47,501 INFO L264 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-17 12:04:47,512 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 12:04:47,582 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:04:47,583 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 12:04:47,583 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-07-17 12:04:47,583 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039705799] [2020-07-17 12:04:47,584 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-17 12:04:47,585 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:04:47,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-17 12:04:47,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-17 12:04:47,586 INFO L87 Difference]: Start difference. First operand 2476 states and 3344 transitions. Second operand 10 states. [2020-07-17 12:04:50,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:04:50,122 INFO L93 Difference]: Finished difference Result 5887 states and 8901 transitions. [2020-07-17 12:04:50,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-17 12:04:50,124 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 159 [2020-07-17 12:04:50,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:04:50,153 INFO L225 Difference]: With dead ends: 5887 [2020-07-17 12:04:50,153 INFO L226 Difference]: Without dead ends: 3417 [2020-07-17 12:04:50,161 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=94, Invalid=248, Unknown=0, NotChecked=0, Total=342 [2020-07-17 12:04:50,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3417 states. [2020-07-17 12:04:50,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3417 to 3295. [2020-07-17 12:04:50,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3295 states. [2020-07-17 12:04:50,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3295 states to 3295 states and 4557 transitions. [2020-07-17 12:04:50,307 INFO L78 Accepts]: Start accepts. Automaton has 3295 states and 4557 transitions. Word has length 159 [2020-07-17 12:04:50,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:04:50,308 INFO L479 AbstractCegarLoop]: Abstraction has 3295 states and 4557 transitions. [2020-07-17 12:04:50,308 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-17 12:04:50,308 INFO L276 IsEmpty]: Start isEmpty. Operand 3295 states and 4557 transitions. [2020-07-17 12:04:50,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-07-17 12:04:50,326 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:04:50,326 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:04:50,541 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:04:50,542 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:04:50,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:04:50,542 INFO L82 PathProgramCache]: Analyzing trace with hash 590175403, now seen corresponding path program 1 times [2020-07-17 12:04:50,543 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:04:50,543 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375690530] [2020-07-17 12:04:50,543 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:04:50,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:04:50,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:04:50,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:04:50,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:04:50,830 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 36 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-17 12:04:50,831 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375690530] [2020-07-17 12:04:50,831 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [461475862] [2020-07-17 12:04:50,831 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -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 [2020-07-17 12:04:50,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:04:50,955 INFO L264 TraceCheckSpWp]: Trace formula consists of 447 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-17 12:04:50,961 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 12:04:51,027 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 24 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-07-17 12:04:51,027 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 12:04:51,028 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7 [2020-07-17 12:04:51,028 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754576937] [2020-07-17 12:04:51,029 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-17 12:04:51,029 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:04:51,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-17 12:04:51,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-17 12:04:51,035 INFO L87 Difference]: Start difference. First operand 3295 states and 4557 transitions. Second operand 7 states. [2020-07-17 12:04:53,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:04:53,149 INFO L93 Difference]: Finished difference Result 8131 states and 11463 transitions. [2020-07-17 12:04:53,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-17 12:04:53,150 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 163 [2020-07-17 12:04:53,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:04:53,176 INFO L225 Difference]: With dead ends: 8131 [2020-07-17 12:04:53,176 INFO L226 Difference]: Without dead ends: 4846 [2020-07-17 12:04:53,189 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 174 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2020-07-17 12:04:53,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4846 states. [2020-07-17 12:04:53,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4846 to 3797. [2020-07-17 12:04:53,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3797 states. [2020-07-17 12:04:53,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3797 states to 3797 states and 4880 transitions. [2020-07-17 12:04:53,322 INFO L78 Accepts]: Start accepts. Automaton has 3797 states and 4880 transitions. Word has length 163 [2020-07-17 12:04:53,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:04:53,323 INFO L479 AbstractCegarLoop]: Abstraction has 3797 states and 4880 transitions. [2020-07-17 12:04:53,323 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-17 12:04:53,323 INFO L276 IsEmpty]: Start isEmpty. Operand 3797 states and 4880 transitions. [2020-07-17 12:04:53,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-07-17 12:04:53,335 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:04:53,336 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:04:53,549 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-07-17 12:04:53,550 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:04:53,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:04:53,552 INFO L82 PathProgramCache]: Analyzing trace with hash -1466650285, now seen corresponding path program 1 times [2020-07-17 12:04:53,552 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:04:53,552 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167892681] [2020-07-17 12:04:53,552 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:04:53,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:04:53,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:04:53,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:04:53,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:04:53,745 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 58 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-17 12:04:53,746 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167892681] [2020-07-17 12:04:53,746 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1323952333] [2020-07-17 12:04:53,746 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -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 [2020-07-17 12:04:53,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:04:53,853 INFO L264 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-17 12:04:53,857 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 12:04:53,899 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-07-17 12:04:53,900 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-17 12:04:53,900 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-07-17 12:04:53,901 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489699626] [2020-07-17 12:04:53,901 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 12:04:53,901 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:04:53,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 12:04:53,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-17 12:04:53,902 INFO L87 Difference]: Start difference. First operand 3797 states and 4880 transitions. Second operand 3 states. [2020-07-17 12:04:54,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:04:54,556 INFO L93 Difference]: Finished difference Result 8269 states and 10644 transitions. [2020-07-17 12:04:54,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 12:04:54,562 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 175 [2020-07-17 12:04:54,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:04:54,581 INFO L225 Difference]: With dead ends: 8269 [2020-07-17 12:04:54,581 INFO L226 Difference]: Without dead ends: 4478 [2020-07-17 12:04:54,591 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-17 12:04:54,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4478 states. [2020-07-17 12:04:54,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4478 to 3523. [2020-07-17 12:04:54,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3523 states. [2020-07-17 12:04:54,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3523 states to 3523 states and 4462 transitions. [2020-07-17 12:04:54,700 INFO L78 Accepts]: Start accepts. Automaton has 3523 states and 4462 transitions. Word has length 175 [2020-07-17 12:04:54,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:04:54,701 INFO L479 AbstractCegarLoop]: Abstraction has 3523 states and 4462 transitions. [2020-07-17 12:04:54,701 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 12:04:54,701 INFO L276 IsEmpty]: Start isEmpty. Operand 3523 states and 4462 transitions. [2020-07-17 12:04:54,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-07-17 12:04:54,715 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:04:54,715 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:04:54,929 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:04:54,930 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:04:54,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:04:54,934 INFO L82 PathProgramCache]: Analyzing trace with hash -853384892, now seen corresponding path program 1 times [2020-07-17 12:04:54,935 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:04:54,935 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574789701] [2020-07-17 12:04:54,935 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:04:54,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:04:55,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:04:55,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:04:55,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:04:55,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:04:55,173 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 113 proven. 4 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-07-17 12:04:55,174 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [574789701] [2020-07-17 12:04:55,174 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [928848345] [2020-07-17 12:04:55,175 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -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 [2020-07-17 12:04:55,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:04:55,310 INFO L264 TraceCheckSpWp]: Trace formula consists of 551 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-17 12:04:55,315 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 12:04:55,368 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 120 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-07-17 12:04:55,369 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 12:04:55,369 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 8 [2020-07-17 12:04:55,371 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105195180] [2020-07-17 12:04:55,373 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 12:04:55,373 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:04:55,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 12:04:55,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-17 12:04:55,374 INFO L87 Difference]: Start difference. First operand 3523 states and 4462 transitions. Second operand 8 states. [2020-07-17 12:04:57,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:04:57,490 INFO L93 Difference]: Finished difference Result 7378 states and 9647 transitions. [2020-07-17 12:04:57,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-17 12:04:57,490 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 212 [2020-07-17 12:04:57,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:04:57,491 INFO L225 Difference]: With dead ends: 7378 [2020-07-17 12:04:57,491 INFO L226 Difference]: Without dead ends: 0 [2020-07-17 12:04:57,509 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-17 12:04:57,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-17 12:04:57,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-17 12:04:57,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-17 12:04:57,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-17 12:04:57,510 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 212 [2020-07-17 12:04:57,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:04:57,510 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-17 12:04:57,510 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 12:04:57,510 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 12:04:57,511 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 12:04:57,724 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:04:57,728 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-17 12:04:58,686 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 119 [2020-07-17 12:04:58,982 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 119 [2020-07-17 12:05:00,228 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 194 DAG size of output: 63 [2020-07-17 12:05:00,721 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 51 [2020-07-17 12:05:01,204 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 51 [2020-07-17 12:05:01,209 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-17 12:05:01,209 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~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)|) (= ~a7~0 |old(~a7~0)|) (= ~v~0 |old(~v~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= ~y~0 |old(~y~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~b~0 |old(~b~0)|) (= ~a20~0 |old(~a20~0)|) (= ~d~0 |old(~d~0)|)) [2020-07-17 12:05:01,209 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-17 12:05:01,210 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-07-17 12:05:01,210 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-07-17 12:05:01,210 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:01,211 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:01,211 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:01,211 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:01,211 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:01,211 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:01,211 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-07-17 12:05:01,212 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-07-17 12:05:01,212 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-07-17 12:05:01,212 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-07-17 12:05:01,212 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-07-17 12:05:01,212 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-07-17 12:05:01,212 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-07-17 12:05:01,212 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-07-17 12:05:01,212 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-07-17 12:05:01,212 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-07-17 12:05:01,212 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:01,212 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:01,213 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:01,213 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:01,213 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:01,213 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:01,213 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-07-17 12:05:01,213 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-07-17 12:05:01,213 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-07-17 12:05:01,214 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-07-17 12:05:01,214 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-07-17 12:05:01,214 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-07-17 12:05:01,214 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-07-17 12:05:01,214 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-07-17 12:05:01,214 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-07-17 12:05:01,214 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-07-17 12:05:01,214 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-07-17 12:05:01,215 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 515) no Hoare annotation was computed. [2020-07-17 12:05:01,215 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-07-17 12:05:01,215 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-07-17 12:05:01,215 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-07-17 12:05:01,215 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-07-17 12:05:01,215 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:01,216 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:01,216 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:01,216 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:01,216 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:01,216 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-07-17 12:05:01,216 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-07-17 12:05:01,216 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-07-17 12:05:01,217 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-07-17 12:05:01,217 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-07-17 12:05:01,217 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-07-17 12:05:01,217 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-07-17 12:05:01,217 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-07-17 12:05:01,217 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-07-17 12:05:01,217 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:01,218 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:01,218 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:01,218 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:01,218 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:01,218 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-07-17 12:05:01,218 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-07-17 12:05:01,218 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-07-17 12:05:01,218 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-07-17 12:05:01,219 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-07-17 12:05:01,219 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-07-17 12:05:01,219 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-07-17 12:05:01,219 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-07-17 12:05:01,219 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-07-17 12:05:01,219 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-07-17 12:05:01,219 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-07-17 12:05:01,219 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-07-17 12:05:01,220 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-07-17 12:05:01,220 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:01,220 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:01,220 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:01,220 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:01,220 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:01,220 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-07-17 12:05:01,221 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-07-17 12:05:01,221 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-07-17 12:05:01,221 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-07-17 12:05:01,221 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-07-17 12:05:01,221 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-07-17 12:05:01,221 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-07-17 12:05:01,221 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-07-17 12:05:01,222 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-07-17 12:05:01,222 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:01,222 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:01,222 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:01,222 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:01,222 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:01,222 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:01,222 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-07-17 12:05:01,223 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:01,223 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-07-17 12:05:01,223 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-07-17 12:05:01,223 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-07-17 12:05:01,223 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-07-17 12:05:01,223 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-07-17 12:05:01,223 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-07-17 12:05:01,224 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-07-17 12:05:01,224 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-07-17 12:05:01,224 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-07-17 12:05:01,224 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-07-17 12:05:01,224 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-07-17 12:05:01,224 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-07-17 12:05:01,224 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-07-17 12:05:01,224 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:01,225 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:01,225 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:01,225 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:01,225 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:01,225 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-07-17 12:05:01,225 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-07-17 12:05:01,225 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-07-17 12:05:01,225 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-07-17 12:05:01,226 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-07-17 12:05:01,226 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-07-17 12:05:01,226 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-07-17 12:05:01,226 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-07-17 12:05:01,226 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:01,226 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:01,226 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:01,226 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:01,227 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:01,227 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-07-17 12:05:01,227 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-07-17 12:05:01,227 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-07-17 12:05:01,227 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-07-17 12:05:01,227 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-07-17 12:05:01,227 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-07-17 12:05:01,227 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-07-17 12:05:01,228 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-07-17 12:05:01,228 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-07-17 12:05:01,228 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-07-17 12:05:01,228 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse10 (= ~a7~0 |old(~a7~0)|)) (.cse11 (= ~a17~0 |old(~a17~0)|)) (.cse12 (= ~a8~0 |old(~a8~0)|)) (.cse13 (= ~a20~0 |old(~a20~0)|)) (.cse14 (= ~a21~0 |old(~a21~0)|))) (let ((.cse2 (not (<= |old(~a16~0)| 5))) (.cse5 (not (= 4 |old(~a16~0)|))) (.cse6 (and .cse10 .cse11 .cse12 .cse13 .cse14 (= 4 ~a16~0))) (.cse9 (not (= 1 |old(~a20~0)|))) (.cse0 (not (= 1 |old(~a7~0)|))) (.cse1 (not (<= 14 |old(~a8~0)|))) (.cse8 (not (<= |old(~a7~0)| 0))) (.cse7 (not (= 1 |old(~a17~0)|))) (.cse3 (not (<= 5 |old(~a16~0)|))) (.cse4 (and .cse10 .cse11 (= ~a16~0 |old(~a16~0)|) .cse12 .cse13 .cse14))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7) (or .cse1 .cse8 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse6) (or .cse5 .cse6 .cse8) (or .cse9 .cse8 .cse7 .cse3 .cse4) (or .cse9 .cse0 .cse5 .cse6) (or .cse9 .cse0 .cse3 .cse4) (or (not (<= 15 |old(~a8~0)|)) .cse8 .cse3 .cse4) (or .cse1 .cse8 .cse7 .cse3 .cse4)))) [2020-07-17 12:05:01,229 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-07-17 12:05:01,229 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:01,229 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:01,229 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:01,229 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:01,229 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-07-17 12:05:01,229 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:01,230 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:01,230 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-07-17 12:05:01,230 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-07-17 12:05:01,230 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-07-17 12:05:01,230 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-07-17 12:05:01,230 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-07-17 12:05:01,230 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-07-17 12:05:01,230 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-07-17 12:05:01,231 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-07-17 12:05:01,231 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-07-17 12:05:01,231 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-07-17 12:05:01,231 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-07-17 12:05:01,231 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-07-17 12:05:01,231 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:01,231 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:01,232 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:01,232 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:01,232 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:01,232 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-07-17 12:05:01,232 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:01,232 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-07-17 12:05:01,232 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-07-17 12:05:01,233 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-07-17 12:05:01,233 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-07-17 12:05:01,233 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-07-17 12:05:01,233 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-07-17 12:05:01,233 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-07-17 12:05:01,233 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-07-17 12:05:01,233 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-07-17 12:05:01,233 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-07-17 12:05:01,234 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-07-17 12:05:01,234 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-07-17 12:05:01,234 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-07-17 12:05:01,234 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-07-17 12:05:01,234 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:01,234 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:01,234 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:01,234 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:01,235 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:01,235 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-07-17 12:05:01,235 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-07-17 12:05:01,235 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-07-17 12:05:01,235 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-07-17 12:05:01,235 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-07-17 12:05:01,235 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-07-17 12:05:01,235 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-07-17 12:05:01,236 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-07-17 12:05:01,236 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-07-17 12:05:01,236 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-07-17 12:05:01,236 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-07-17 12:05:01,236 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-17 12:05:01,236 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a7~0 0) (= 1 ~a17~0) (<= ~a16~0 5) (<= 15 ~a8~0) (<= 5 ~a16~0) (= 1 ~a20~0)) [2020-07-17 12:05:01,236 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-17 12:05:01,237 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-17 12:05:01,237 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 1 |old(~a20~0)|)) (not (<= 15 |old(~a8~0)|)) (not (<= |old(~a7~0)| 0)) (not (<= |old(~a16~0)| 5)) (not (= 1 |old(~a17~0)|)) (not (<= 5 |old(~a16~0)|)) (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= 1 ~a20~0) (= ~a21~0 |old(~a21~0)|))) [2020-07-17 12:05:01,237 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-07-17 12:05:01,237 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (let ((.cse4 (<= ~a16~0 5)) (.cse0 (<= ~a7~0 0)) (.cse6 (= 1 ~a17~0)) (.cse2 (<= 14 ~a8~0)) (.cse1 (= 4 ~a16~0)) (.cse5 (= 1 ~a7~0)) (.cse3 (<= 5 ~a16~0)) (.cse7 (= 1 ~a20~0))) (or (and .cse0 .cse1) (not (<= |old(~a7~0)| 0)) (not (= 1 |old(~a17~0)|)) (and .cse0 .cse2 .cse3 .cse4) (and .cse0 .cse3 (<= 15 ~a8~0)) (not (<= 5 |old(~a16~0)|)) (and .cse5 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse3 .cse6) (and .cse0 .cse3 .cse6 .cse7) (and .cse5 .cse7 .cse1) (not (= 1 |old(~a20~0)|)) (not (<= 15 |old(~a8~0)|)) (and .cse5 .cse6 .cse1) (and .cse5 .cse2 .cse1) (not (<= |old(~a16~0)| 5)) (and .cse5 .cse3 .cse7))) [2020-07-17 12:05:01,237 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-07-17 12:05:01,237 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-07-17 12:05:01,238 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse4 (<= ~a16~0 5)) (.cse0 (<= ~a7~0 0)) (.cse6 (= 1 ~a17~0)) (.cse2 (<= 14 ~a8~0)) (.cse1 (= 4 ~a16~0)) (.cse5 (= 1 ~a7~0)) (.cse3 (<= 5 ~a16~0)) (.cse7 (= 1 ~a20~0))) (or (and .cse0 .cse1) (not (<= |old(~a7~0)| 0)) (not (= 1 |old(~a17~0)|)) (and .cse0 .cse2 .cse3 .cse4) (and .cse0 .cse3 (<= 15 ~a8~0)) (not (<= 5 |old(~a16~0)|)) (and .cse5 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse3 .cse6) (and .cse0 .cse3 .cse6 .cse7) (and .cse5 .cse7 .cse1) (not (= 1 |old(~a20~0)|)) (not (<= 15 |old(~a8~0)|)) (and .cse5 .cse6 .cse1) (and .cse5 .cse2 .cse1) (not (<= |old(~a16~0)| 5)) (and .cse5 .cse3 .cse7))) [2020-07-17 12:05:01,238 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-07-17 12:05:01,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 12:05:01 BoogieIcfgContainer [2020-07-17 12:05:01,273 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 12:05:01,279 INFO L168 Benchmark]: Toolchain (without parser) took 25072.23 ms. Allocated memory was 145.8 MB in the beginning and 530.6 MB in the end (delta: 384.8 MB). Free memory was 100.5 MB in the beginning and 243.9 MB in the end (delta: -143.4 MB). Peak memory consumption was 400.1 MB. Max. memory is 7.1 GB. [2020-07-17 12:05:01,281 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 145.8 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-17 12:05:01,282 INFO L168 Benchmark]: CACSL2BoogieTranslator took 781.99 ms. Allocated memory was 145.8 MB in the beginning and 205.5 MB in the end (delta: 59.8 MB). Free memory was 100.3 MB in the beginning and 171.5 MB in the end (delta: -71.2 MB). Peak memory consumption was 30.8 MB. Max. memory is 7.1 GB. [2020-07-17 12:05:01,287 INFO L168 Benchmark]: Boogie Preprocessor took 118.65 ms. Allocated memory is still 205.5 MB. Free memory was 171.5 MB in the beginning and 166.7 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2020-07-17 12:05:01,287 INFO L168 Benchmark]: RCFGBuilder took 1367.94 ms. Allocated memory was 205.5 MB in the beginning and 237.5 MB in the end (delta: 32.0 MB). Free memory was 166.7 MB in the beginning and 177.7 MB in the end (delta: -11.1 MB). Peak memory consumption was 81.1 MB. Max. memory is 7.1 GB. [2020-07-17 12:05:01,288 INFO L168 Benchmark]: TraceAbstraction took 22786.57 ms. Allocated memory was 237.5 MB in the beginning and 530.6 MB in the end (delta: 293.1 MB). Free memory was 177.7 MB in the beginning and 243.9 MB in the end (delta: -66.2 MB). Peak memory consumption was 385.5 MB. Max. memory is 7.1 GB. [2020-07-17 12:05:01,294 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 145.8 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 781.99 ms. Allocated memory was 145.8 MB in the beginning and 205.5 MB in the end (delta: 59.8 MB). Free memory was 100.3 MB in the beginning and 171.5 MB in the end (delta: -71.2 MB). Peak memory consumption was 30.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.65 ms. Allocated memory is still 205.5 MB. Free memory was 171.5 MB in the beginning and 166.7 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1367.94 ms. Allocated memory was 205.5 MB in the beginning and 237.5 MB in the end (delta: 32.0 MB). Free memory was 166.7 MB in the beginning and 177.7 MB in the end (delta: -11.1 MB). Peak memory consumption was 81.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 22786.57 ms. Allocated memory was 237.5 MB in the beginning and 530.6 MB in the end (delta: 293.1 MB). Free memory was 177.7 MB in the beginning and 243.9 MB in the end (delta: -66.2 MB). Peak memory consumption was 385.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 515]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((((((((((((((a7 <= 0 && 4 == a16) || !(\old(a7) <= 0)) || !(1 == \old(a17))) || (((a7 <= 0 && 14 <= a8) && 5 <= a16) && a16 <= 5)) || ((a7 <= 0 && 5 <= a16) && 15 <= a8)) || !(5 <= \old(a16))) || (((1 == a7 && 14 <= a8) && 5 <= a16) && a16 <= 5)) || (((a7 <= 0 && 14 <= a8) && 5 <= a16) && 1 == a17)) || (((a7 <= 0 && 5 <= a16) && 1 == a17) && 1 == a20)) || ((1 == a7 && 1 == a20) && 4 == a16)) || !(1 == \old(a20))) || !(15 <= \old(a8))) || ((1 == a7 && 1 == a17) && 4 == a16)) || ((1 == a7 && 14 <= a8) && 4 == a16)) || !(\old(a16) <= 5)) || ((1 == a7 && 5 <= a16) && 1 == a20) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 19.1s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 12.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 352 SDtfs, 2914 SDslu, 305 SDs, 0 SdLazy, 7262 SolverSat, 1235 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1257 GetRequests, 1182 SyntacticMatches, 1 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3797occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 9 MinimizatonAttempts, 2555 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 186 PreInvPairs, 278 NumberOfFragments, 723 HoareAnnotationTreeSize, 186 FomulaSimplifications, 94598 FormulaSimplificationTreeSizeReduction, 1.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 6322 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 2508 NumberOfCodeBlocks, 2508 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 2492 ConstructedInterpolants, 0 QuantifiedInterpolants, 1201385 SizeOfPredicates, 9 NumberOfNonLiveVariables, 3083 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 16 InterpolantComputations, 6 PerfectInterpolantSequences, 676/719 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...