/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label36.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 13:38:38,895 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 13:38:38,898 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 13:38:38,924 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 13:38:38,925 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 13:38:38,926 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 13:38:38,927 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 13:38:38,929 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 13:38:38,931 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 13:38:38,931 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 13:38:38,932 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 13:38:38,934 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 13:38:38,934 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 13:38:38,935 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 13:38:38,936 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 13:38:38,938 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 13:38:38,938 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 13:38:38,939 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 13:38:38,941 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 13:38:38,943 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 13:38:38,945 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 13:38:38,946 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 13:38:38,950 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 13:38:38,951 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 13:38:38,958 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-04 13:38:38,976 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-04 13:38:39,023 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 13:38:39,023 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 13:38:39,025 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-04 13:38:39,025 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-04 13:38:39,025 INFO L138 SettingsManager]: * Use SBE=true [2020-09-04 13:38:39,026 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 13:38:39,026 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 13:38:39,026 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 13:38:39,026 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 13:38:39,027 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 13:38:39,028 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 13:38:39,028 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 13:38:39,028 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 13:38:39,030 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 13:38:39,030 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 13:38:39,030 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 13:38:39,030 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 13:38:39,030 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 13:38:39,030 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-04 13:38:39,031 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 13:38:39,031 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 13:38:39,031 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 13:38:39,031 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 13:38:39,031 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-04 13:38:39,031 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-04 13:38:39,032 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-04 13:38:39,032 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-04 13:38:39,032 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 13:38:39,032 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-04 13:38:39,032 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-04 13:38:39,495 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 13:38:39,523 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 13:38:39,527 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 13:38:39,529 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 13:38:39,529 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 13:38:39,531 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label36.c [2020-09-04 13:38:39,621 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bf9cdb59c/fb640b20585642c08b9500c0efd26c1a/FLAG5e9f69193 [2020-09-04 13:38:40,243 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 13:38:40,244 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label36.c [2020-09-04 13:38:40,256 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bf9cdb59c/fb640b20585642c08b9500c0efd26c1a/FLAG5e9f69193 [2020-09-04 13:38:40,512 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bf9cdb59c/fb640b20585642c08b9500c0efd26c1a [2020-09-04 13:38:40,527 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 13:38:40,529 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 13:38:40,530 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 13:38:40,530 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 13:38:40,534 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 13:38:40,535 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 01:38:40" (1/1) ... [2020-09-04 13:38:40,539 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c791971 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:38:40, skipping insertion in model container [2020-09-04 13:38:40,539 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 01:38:40" (1/1) ... [2020-09-04 13:38:40,550 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 13:38:40,614 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 13:38:41,154 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 13:38:41,161 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 13:38:41,251 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 13:38:41,287 INFO L208 MainTranslator]: Completed translation [2020-09-04 13:38:41,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:38:41 WrapperNode [2020-09-04 13:38:41,289 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 13:38:41,290 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 13:38:41,290 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 13:38:41,290 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 13:38:41,303 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:38:41" (1/1) ... [2020-09-04 13:38:41,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:38:41" (1/1) ... [2020-09-04 13:38:41,322 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:38:41" (1/1) ... [2020-09-04 13:38:41,323 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:38:41" (1/1) ... [2020-09-04 13:38:41,359 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:38:41" (1/1) ... [2020-09-04 13:38:41,376 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:38:41" (1/1) ... [2020-09-04 13:38:41,388 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:38:41" (1/1) ... [2020-09-04 13:38:41,408 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 13:38:41,409 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 13:38:41,409 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 13:38:41,409 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 13:38:41,412 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:38:41" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 13:38:41,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 13:38:41,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 13:38:41,514 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-04 13:38:41,514 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 13:38:41,515 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-04 13:38:41,515 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 13:38:41,515 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 13:38:41,515 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-04 13:38:41,515 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 13:38:41,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 13:38:41,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 13:38:42,697 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 13:38:42,697 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-04 13:38:42,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 01:38:42 BoogieIcfgContainer [2020-09-04 13:38:42,709 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 13:38:42,713 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 13:38:42,713 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 13:38:42,717 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 13:38:42,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 01:38:40" (1/3) ... [2020-09-04 13:38:42,720 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@daec608 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 01:38:42, skipping insertion in model container [2020-09-04 13:38:42,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:38:41" (2/3) ... [2020-09-04 13:38:42,721 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@daec608 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 01:38:42, skipping insertion in model container [2020-09-04 13:38:42,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 01:38:42" (3/3) ... [2020-09-04 13:38:42,726 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label36.c [2020-09-04 13:38:42,738 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-04 13:38:42,748 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 13:38:42,769 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 13:38:42,801 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 13:38:42,801 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 13:38:42,802 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-04 13:38:42,802 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 13:38:42,802 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 13:38:42,802 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 13:38:42,802 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 13:38:42,802 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 13:38:42,830 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-09-04 13:38:42,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-09-04 13:38:42,840 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:38:42,842 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] [2020-09-04 13:38:42,842 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:38:42,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:38:42,850 INFO L82 PathProgramCache]: Analyzing trace with hash 1093393358, now seen corresponding path program 1 times [2020-09-04 13:38:42,863 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:38:42,863 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445122202] [2020-09-04 13:38:42,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:38:43,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:43,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:38:43,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:43,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:38:43,294 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445122202] [2020-09-04 13:38:43,295 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 13:38:43,296 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-04 13:38:43,297 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325213113] [2020-09-04 13:38:43,305 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-04 13:38:43,306 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:38:43,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-04 13:38:43,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-04 13:38:43,329 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 5 states. [2020-09-04 13:38:45,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:38:45,991 INFO L93 Difference]: Finished difference Result 730 states and 1300 transitions. [2020-09-04 13:38:45,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-04 13:38:45,993 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 45 [2020-09-04 13:38:45,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:38:46,017 INFO L225 Difference]: With dead ends: 730 [2020-09-04 13:38:46,018 INFO L226 Difference]: Without dead ends: 447 [2020-09-04 13:38:46,026 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-04 13:38:46,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2020-09-04 13:38:46,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 443. [2020-09-04 13:38:46,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2020-09-04 13:38:46,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 610 transitions. [2020-09-04 13:38:46,129 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 610 transitions. Word has length 45 [2020-09-04 13:38:46,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:38:46,130 INFO L479 AbstractCegarLoop]: Abstraction has 443 states and 610 transitions. [2020-09-04 13:38:46,131 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-04 13:38:46,131 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 610 transitions. [2020-09-04 13:38:46,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-09-04 13:38:46,141 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:38:46,142 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 13:38:46,142 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 13:38:46,143 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:38:46,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:38:46,143 INFO L82 PathProgramCache]: Analyzing trace with hash -1404562463, now seen corresponding path program 1 times [2020-09-04 13:38:46,143 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:38:46,143 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390300992] [2020-09-04 13:38:46,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:38:46,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:46,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:38:46,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:46,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:38:46,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:46,577 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:38:46,578 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390300992] [2020-09-04 13:38:46,578 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 13:38:46,578 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-09-04 13:38:46,579 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415361543] [2020-09-04 13:38:46,581 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-04 13:38:46,581 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:38:46,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-04 13:38:46,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-04 13:38:46,582 INFO L87 Difference]: Start difference. First operand 443 states and 610 transitions. Second operand 7 states. [2020-09-04 13:38:48,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:38:48,139 INFO L93 Difference]: Finished difference Result 1037 states and 1405 transitions. [2020-09-04 13:38:48,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-04 13:38:48,140 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 132 [2020-09-04 13:38:48,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:38:48,145 INFO L225 Difference]: With dead ends: 1037 [2020-09-04 13:38:48,145 INFO L226 Difference]: Without dead ends: 600 [2020-09-04 13:38:48,147 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-09-04 13:38:48,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2020-09-04 13:38:48,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 592. [2020-09-04 13:38:48,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2020-09-04 13:38:48,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 778 transitions. [2020-09-04 13:38:48,181 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 778 transitions. Word has length 132 [2020-09-04 13:38:48,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:38:48,182 INFO L479 AbstractCegarLoop]: Abstraction has 592 states and 778 transitions. [2020-09-04 13:38:48,182 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-04 13:38:48,182 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 778 transitions. [2020-09-04 13:38:48,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-09-04 13:38:48,186 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:38:48,186 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 13:38:48,187 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-04 13:38:48,187 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:38:48,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:38:48,187 INFO L82 PathProgramCache]: Analyzing trace with hash 1629439601, now seen corresponding path program 1 times [2020-09-04 13:38:48,188 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:38:48,188 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331260654] [2020-09-04 13:38:48,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:38:48,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:48,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:38:48,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:48,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:38:48,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:48,618 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:38:48,619 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331260654] [2020-09-04 13:38:48,619 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 13:38:48,619 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-04 13:38:48,619 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953383020] [2020-09-04 13:38:48,621 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 13:38:48,622 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:38:48,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 13:38:48,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-04 13:38:48,629 INFO L87 Difference]: Start difference. First operand 592 states and 778 transitions. Second operand 8 states. [2020-09-04 13:38:50,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:38:50,270 INFO L93 Difference]: Finished difference Result 1375 states and 1935 transitions. [2020-09-04 13:38:50,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-04 13:38:50,272 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 140 [2020-09-04 13:38:50,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:38:50,283 INFO L225 Difference]: With dead ends: 1375 [2020-09-04 13:38:50,283 INFO L226 Difference]: Without dead ends: 932 [2020-09-04 13:38:50,286 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-09-04 13:38:50,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 932 states. [2020-09-04 13:38:50,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 932 to 900. [2020-09-04 13:38:50,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 900 states. [2020-09-04 13:38:50,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 900 states to 900 states and 1125 transitions. [2020-09-04 13:38:50,360 INFO L78 Accepts]: Start accepts. Automaton has 900 states and 1125 transitions. Word has length 140 [2020-09-04 13:38:50,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:38:50,361 INFO L479 AbstractCegarLoop]: Abstraction has 900 states and 1125 transitions. [2020-09-04 13:38:50,361 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 13:38:50,361 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1125 transitions. [2020-09-04 13:38:50,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2020-09-04 13:38:50,373 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:38:50,373 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 13:38:50,374 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-04 13:38:50,375 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:38:50,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:38:50,375 INFO L82 PathProgramCache]: Analyzing trace with hash -1742133595, now seen corresponding path program 1 times [2020-09-04 13:38:50,376 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:38:50,376 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661893167] [2020-09-04 13:38:50,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:38:50,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:50,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:38:50,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:50,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:38:50,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:50,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-04 13:38:50,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:50,845 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 68 proven. 8 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-09-04 13:38:50,846 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661893167] [2020-09-04 13:38:50,846 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1221397643] [2020-09-04 13:38:50,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:38:50,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:50,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 4 conjunts are in the unsatisfiable core [2020-09-04 13:38:50,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:38:51,086 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-09-04 13:38:51,087 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-09-04 13:38:51,088 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-09-04 13:38:51,089 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99490971] [2020-09-04 13:38:51,091 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-04 13:38:51,091 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:38:51,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-04 13:38:51,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-04 13:38:51,092 INFO L87 Difference]: Start difference. First operand 900 states and 1125 transitions. Second operand 3 states. [2020-09-04 13:38:51,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:38:51,936 INFO L93 Difference]: Finished difference Result 1341 states and 1715 transitions. [2020-09-04 13:38:51,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-04 13:38:51,938 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 202 [2020-09-04 13:38:51,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:38:51,947 INFO L225 Difference]: With dead ends: 1341 [2020-09-04 13:38:51,947 INFO L226 Difference]: Without dead ends: 1339 [2020-09-04 13:38:51,948 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-04 13:38:51,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1339 states. [2020-09-04 13:38:52,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1339 to 1047. [2020-09-04 13:38:52,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1047 states. [2020-09-04 13:38:52,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 1047 states and 1338 transitions. [2020-09-04 13:38:52,035 INFO L78 Accepts]: Start accepts. Automaton has 1047 states and 1338 transitions. Word has length 202 [2020-09-04 13:38:52,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:38:52,038 INFO L479 AbstractCegarLoop]: Abstraction has 1047 states and 1338 transitions. [2020-09-04 13:38:52,038 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-04 13:38:52,038 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 1338 transitions. [2020-09-04 13:38:52,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2020-09-04 13:38:52,043 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:38:52,044 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 13:38:52,257 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:38:52,258 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:38:52,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:38:52,259 INFO L82 PathProgramCache]: Analyzing trace with hash -849967887, now seen corresponding path program 1 times [2020-09-04 13:38:52,260 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:38:52,261 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417096808] [2020-09-04 13:38:52,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:38:52,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:52,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:38:52,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:52,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:38:52,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:52,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-04 13:38:52,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:52,678 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 143 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-04 13:38:52,678 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417096808] [2020-09-04 13:38:52,679 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [922409144] [2020-09-04 13:38:52,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:38:52,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:52,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 4 conjunts are in the unsatisfiable core [2020-09-04 13:38:52,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:38:52,942 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 144 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:38:52,943 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-04 13:38:52,943 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-09-04 13:38:52,943 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999355288] [2020-09-04 13:38:52,944 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-04 13:38:52,945 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:38:52,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-04 13:38:52,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-09-04 13:38:52,945 INFO L87 Difference]: Start difference. First operand 1047 states and 1338 transitions. Second operand 10 states. [2020-09-04 13:38:56,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:38:56,168 INFO L93 Difference]: Finished difference Result 2432 states and 3217 transitions. [2020-09-04 13:38:56,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-04 13:38:56,169 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 256 [2020-09-04 13:38:56,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:38:56,180 INFO L225 Difference]: With dead ends: 2432 [2020-09-04 13:38:56,180 INFO L226 Difference]: Without dead ends: 1534 [2020-09-04 13:38:56,183 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=140, Invalid=412, Unknown=0, NotChecked=0, Total=552 [2020-09-04 13:38:56,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1534 states. [2020-09-04 13:38:56,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1534 to 1359. [2020-09-04 13:38:56,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1359 states. [2020-09-04 13:38:56,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1359 states to 1359 states and 1654 transitions. [2020-09-04 13:38:56,228 INFO L78 Accepts]: Start accepts. Automaton has 1359 states and 1654 transitions. Word has length 256 [2020-09-04 13:38:56,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:38:56,229 INFO L479 AbstractCegarLoop]: Abstraction has 1359 states and 1654 transitions. [2020-09-04 13:38:56,229 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-04 13:38:56,229 INFO L276 IsEmpty]: Start isEmpty. Operand 1359 states and 1654 transitions. [2020-09-04 13:38:56,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2020-09-04 13:38:56,240 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:38:56,240 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 13:38:56,441 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:38:56,442 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:38:56,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:38:56,443 INFO L82 PathProgramCache]: Analyzing trace with hash -730225526, now seen corresponding path program 1 times [2020-09-04 13:38:56,443 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:38:56,444 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195701754] [2020-09-04 13:38:56,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:38:56,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:56,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:38:56,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:56,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:38:56,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:56,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 13:38:56,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:56,958 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 80 proven. 74 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-04 13:38:56,959 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195701754] [2020-09-04 13:38:56,959 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [789641527] [2020-09-04 13:38:56,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:38:57,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:57,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 4 conjunts are in the unsatisfiable core [2020-09-04 13:38:57,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:38:57,279 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 153 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:38:57,279 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-04 13:38:57,280 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 13 [2020-09-04 13:38:57,280 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509730559] [2020-09-04 13:38:57,282 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-04 13:38:57,283 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:38:57,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-04 13:38:57,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-09-04 13:38:57,284 INFO L87 Difference]: Start difference. First operand 1359 states and 1654 transitions. Second operand 13 states. [2020-09-04 13:39:03,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:39:03,771 INFO L93 Difference]: Finished difference Result 5065 states and 6363 transitions. [2020-09-04 13:39:03,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-09-04 13:39:03,772 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 265 [2020-09-04 13:39:03,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:39:03,786 INFO L225 Difference]: With dead ends: 5065 [2020-09-04 13:39:03,787 INFO L226 Difference]: Without dead ends: 2805 [2020-09-04 13:39:03,794 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 277 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 321 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=309, Invalid=1097, Unknown=0, NotChecked=0, Total=1406 [2020-09-04 13:39:03,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2805 states. [2020-09-04 13:39:03,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2805 to 1351. [2020-09-04 13:39:03,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1351 states. [2020-09-04 13:39:03,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1351 states to 1351 states and 1568 transitions. [2020-09-04 13:39:03,843 INFO L78 Accepts]: Start accepts. Automaton has 1351 states and 1568 transitions. Word has length 265 [2020-09-04 13:39:03,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:39:03,844 INFO L479 AbstractCegarLoop]: Abstraction has 1351 states and 1568 transitions. [2020-09-04 13:39:03,844 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-04 13:39:03,844 INFO L276 IsEmpty]: Start isEmpty. Operand 1351 states and 1568 transitions. [2020-09-04 13:39:03,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2020-09-04 13:39:03,850 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:39:03,850 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-04 13:39:04,065 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:39:04,066 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:39:04,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:39:04,067 INFO L82 PathProgramCache]: Analyzing trace with hash 2108247554, now seen corresponding path program 1 times [2020-09-04 13:39:04,067 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:39:04,068 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000480021] [2020-09-04 13:39:04,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:39:04,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:04,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:39:04,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:04,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:39:04,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:04,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-04 13:39:04,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:04,509 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 77 proven. 2 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-09-04 13:39:04,510 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000480021] [2020-09-04 13:39:04,511 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [222098734] [2020-09-04 13:39:04,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2020-09-04 13:39:04,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:04,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 4 conjunts are in the unsatisfiable core [2020-09-04 13:39:04,673 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:39:04,799 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-09-04 13:39:04,800 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-09-04 13:39:04,800 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-09-04 13:39:04,801 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250351020] [2020-09-04 13:39:04,801 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-04 13:39:04,802 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:39:04,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-04 13:39:04,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-04 13:39:04,803 INFO L87 Difference]: Start difference. First operand 1351 states and 1568 transitions. Second operand 3 states. [2020-09-04 13:39:05,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:39:05,437 INFO L93 Difference]: Finished difference Result 1498 states and 1715 transitions. [2020-09-04 13:39:05,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-04 13:39:05,439 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 301 [2020-09-04 13:39:05,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:39:05,449 INFO L225 Difference]: With dead ends: 1498 [2020-09-04 13:39:05,449 INFO L226 Difference]: Without dead ends: 1347 [2020-09-04 13:39:05,451 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 307 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-04 13:39:05,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1347 states. [2020-09-04 13:39:05,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1347 to 1347. [2020-09-04 13:39:05,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1347 states. [2020-09-04 13:39:05,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1347 states to 1347 states and 1559 transitions. [2020-09-04 13:39:05,522 INFO L78 Accepts]: Start accepts. Automaton has 1347 states and 1559 transitions. Word has length 301 [2020-09-04 13:39:05,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:39:05,524 INFO L479 AbstractCegarLoop]: Abstraction has 1347 states and 1559 transitions. [2020-09-04 13:39:05,524 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-04 13:39:05,524 INFO L276 IsEmpty]: Start isEmpty. Operand 1347 states and 1559 transitions. [2020-09-04 13:39:05,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2020-09-04 13:39:05,541 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:39:05,542 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 13:39:05,756 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:39:05,756 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:39:05,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:39:05,757 INFO L82 PathProgramCache]: Analyzing trace with hash -1830531518, now seen corresponding path program 1 times [2020-09-04 13:39:05,758 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:39:05,758 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189589678] [2020-09-04 13:39:05,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:39:05,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:05,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:39:05,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:05,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:39:05,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:06,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-04 13:39:06,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:06,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-04 13:39:06,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:06,371 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 122 proven. 6 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2020-09-04 13:39:06,371 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189589678] [2020-09-04 13:39:06,372 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [482116119] [2020-09-04 13:39:06,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2020-09-04 13:39:06,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:06,492 INFO L263 TraceCheckSpWp]: Trace formula consists of 569 conjuncts, 4 conjunts are in the unsatisfiable core [2020-09-04 13:39:06,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:39:06,691 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 302 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-09-04 13:39:06,692 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-04 13:39:06,692 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2020-09-04 13:39:06,692 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210324017] [2020-09-04 13:39:06,693 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-04 13:39:06,694 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:39:06,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-04 13:39:06,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-09-04 13:39:06,694 INFO L87 Difference]: Start difference. First operand 1347 states and 1559 transitions. Second operand 11 states. [2020-09-04 13:39:10,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:39:10,167 INFO L93 Difference]: Finished difference Result 4456 states and 5530 transitions. [2020-09-04 13:39:10,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-04 13:39:10,170 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 357 [2020-09-04 13:39:10,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:39:10,188 INFO L225 Difference]: With dead ends: 4456 [2020-09-04 13:39:10,189 INFO L226 Difference]: Without dead ends: 3258 [2020-09-04 13:39:10,193 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 393 GetRequests, 372 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=131, Invalid=375, Unknown=0, NotChecked=0, Total=506 [2020-09-04 13:39:10,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3258 states. [2020-09-04 13:39:10,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3258 to 3099. [2020-09-04 13:39:10,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3099 states. [2020-09-04 13:39:10,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3099 states to 3099 states and 3709 transitions. [2020-09-04 13:39:10,274 INFO L78 Accepts]: Start accepts. Automaton has 3099 states and 3709 transitions. Word has length 357 [2020-09-04 13:39:10,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:39:10,276 INFO L479 AbstractCegarLoop]: Abstraction has 3099 states and 3709 transitions. [2020-09-04 13:39:10,276 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-04 13:39:10,276 INFO L276 IsEmpty]: Start isEmpty. Operand 3099 states and 3709 transitions. [2020-09-04 13:39:10,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2020-09-04 13:39:10,292 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:39:10,292 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 13:39:10,505 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:39:10,505 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:39:10,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:39:10,506 INFO L82 PathProgramCache]: Analyzing trace with hash -1499776183, now seen corresponding path program 1 times [2020-09-04 13:39:10,506 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:39:10,506 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274749245] [2020-09-04 13:39:10,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:39:10,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:10,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:39:10,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:10,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:39:10,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:10,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-04 13:39:10,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:10,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-09-04 13:39:10,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:10,863 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 117 proven. 3 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2020-09-04 13:39:10,864 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274749245] [2020-09-04 13:39:10,864 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [134951132] [2020-09-04 13:39:10,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2020-09-04 13:39:11,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:39:11,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 584 conjuncts, 4 conjunts are in the unsatisfiable core [2020-09-04 13:39:11,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:39:11,186 INFO L134 CoverageAnalysis]: Checked inductivity of 399 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2020-09-04 13:39:11,187 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-09-04 13:39:11,187 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-09-04 13:39:11,188 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208000526] [2020-09-04 13:39:11,189 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-04 13:39:11,189 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:39:11,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-04 13:39:11,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-04 13:39:11,190 INFO L87 Difference]: Start difference. First operand 3099 states and 3709 transitions. Second operand 3 states. [2020-09-04 13:39:11,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:39:11,781 INFO L93 Difference]: Finished difference Result 3099 states and 3709 transitions. [2020-09-04 13:39:11,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-04 13:39:11,782 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 370 [2020-09-04 13:39:11,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:39:11,783 INFO L225 Difference]: With dead ends: 3099 [2020-09-04 13:39:11,783 INFO L226 Difference]: Without dead ends: 0 [2020-09-04 13:39:11,789 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 382 GetRequests, 378 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-04 13:39:11,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-04 13:39:11,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-04 13:39:11,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-04 13:39:11,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-04 13:39:11,790 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 370 [2020-09-04 13:39:11,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:39:11,791 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-04 13:39:11,791 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-04 13:39:11,791 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-04 13:39:11,791 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-04 13:39:12,004 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:39:12,007 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-04 13:39:13,187 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 116 [2020-09-04 13:39:13,438 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 116 [2020-09-04 13:39:13,584 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 33 [2020-09-04 13:39:14,340 WARN L193 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 31 [2020-09-04 13:39:14,635 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 35 [2020-09-04 13:39:14,925 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 35 [2020-09-04 13:39:14,929 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-04 13:39:14,930 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) [2020-09-04 13:39:14,930 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-04 13:39:14,930 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-09-04 13:39:14,930 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:14,930 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:14,930 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:14,930 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:14,931 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:14,931 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:14,931 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-09-04 13:39:14,931 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-09-04 13:39:14,931 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-09-04 13:39:14,931 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-09-04 13:39:14,932 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-09-04 13:39:14,932 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-09-04 13:39:14,932 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-09-04 13:39:14,932 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-09-04 13:39:14,932 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-09-04 13:39:14,932 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-09-04 13:39:14,933 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-09-04 13:39:14,933 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:14,933 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:14,933 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:14,934 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:14,934 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:14,934 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-09-04 13:39:14,934 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-09-04 13:39:14,934 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-09-04 13:39:14,934 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-09-04 13:39:14,934 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-09-04 13:39:14,934 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-09-04 13:39:14,935 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-09-04 13:39:14,935 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-09-04 13:39:14,935 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-09-04 13:39:14,935 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-09-04 13:39:14,935 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-09-04 13:39:14,935 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-09-04 13:39:14,935 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-09-04 13:39:14,936 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 121) no Hoare annotation was computed. [2020-09-04 13:39:14,936 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-09-04 13:39:14,936 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:14,936 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:14,936 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:14,936 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:14,936 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:14,936 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-09-04 13:39:14,936 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-09-04 13:39:14,937 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-09-04 13:39:14,937 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-09-04 13:39:14,937 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-09-04 13:39:14,937 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-09-04 13:39:14,937 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-09-04 13:39:14,937 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-09-04 13:39:14,937 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-09-04 13:39:14,938 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-09-04 13:39:14,938 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:14,938 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:14,938 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:14,938 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:14,938 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:14,938 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-09-04 13:39:14,939 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-09-04 13:39:14,939 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-09-04 13:39:14,939 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-09-04 13:39:14,939 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-09-04 13:39:14,939 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-09-04 13:39:14,939 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-09-04 13:39:14,940 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-09-04 13:39:14,940 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-09-04 13:39:14,940 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-09-04 13:39:14,940 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-09-04 13:39:14,940 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-09-04 13:39:14,940 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-09-04 13:39:14,941 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:14,941 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:14,941 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:14,941 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:14,941 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:14,941 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-09-04 13:39:14,941 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-09-04 13:39:14,941 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-09-04 13:39:14,941 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-09-04 13:39:14,942 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-09-04 13:39:14,942 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-09-04 13:39:14,942 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-09-04 13:39:14,942 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-09-04 13:39:14,942 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-09-04 13:39:14,942 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:14,942 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:14,942 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:14,942 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:14,942 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:14,942 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:14,943 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:14,943 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-09-04 13:39:14,943 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-09-04 13:39:14,943 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-09-04 13:39:14,943 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-09-04 13:39:14,943 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-09-04 13:39:14,943 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-09-04 13:39:14,943 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-09-04 13:39:14,943 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-09-04 13:39:14,943 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-09-04 13:39:14,943 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-09-04 13:39:14,944 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-09-04 13:39:14,944 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-09-04 13:39:14,944 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-09-04 13:39:14,944 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:14,944 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:14,944 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:14,944 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:14,945 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-09-04 13:39:14,945 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:14,945 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:14,945 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-09-04 13:39:14,945 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-09-04 13:39:14,945 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-09-04 13:39:14,945 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-09-04 13:39:14,945 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-09-04 13:39:14,945 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-09-04 13:39:14,946 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-09-04 13:39:14,946 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-09-04 13:39:14,946 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-09-04 13:39:14,946 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-09-04 13:39:14,946 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-09-04 13:39:14,946 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-09-04 13:39:14,946 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-09-04 13:39:14,946 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:14,946 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:14,946 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:14,947 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:14,947 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:14,947 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:14,947 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-09-04 13:39:14,947 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-09-04 13:39:14,947 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-09-04 13:39:14,947 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-09-04 13:39:14,948 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-09-04 13:39:14,948 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-09-04 13:39:14,948 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-09-04 13:39:14,948 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-09-04 13:39:14,948 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-09-04 13:39:14,948 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-09-04 13:39:14,948 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-09-04 13:39:14,949 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse0 (= ~a1~0 |old(~a1~0)|)) (.cse1 (= ~a10~0 |old(~a10~0)|))) (let ((.cse2 (and .cse0 (= ~a19~0 |old(~a19~0)|) .cse1))) (and (or (not (<= |old(~a19~0)| 8)) (not (<= 8 |old(~a19~0)|)) (and (<= 8 ~a19~0) (<= ~a19~0 8) .cse0 .cse1)) (or (not (= 9 |old(~a19~0)|)) .cse2) (or .cse2 (not (<= |old(~a19~0)| 6))) (or .cse2 (= 4 |old(~a10~0)|))))) [2020-09-04 13:39:14,949 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-09-04 13:39:14,949 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-09-04 13:39:14,949 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-09-04 13:39:14,949 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:14,950 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:14,950 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:14,950 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:14,950 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:14,950 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:14,950 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-09-04 13:39:14,950 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-09-04 13:39:14,951 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-09-04 13:39:14,951 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-09-04 13:39:14,951 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-09-04 13:39:14,951 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-09-04 13:39:14,951 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-09-04 13:39:14,951 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-09-04 13:39:14,952 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-09-04 13:39:14,952 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-09-04 13:39:14,952 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-09-04 13:39:14,952 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-09-04 13:39:14,952 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-09-04 13:39:14,952 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:14,952 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:14,952 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:14,953 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:14,953 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:14,953 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:14,953 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-09-04 13:39:14,953 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-09-04 13:39:14,953 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-09-04 13:39:14,953 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-09-04 13:39:14,954 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-09-04 13:39:14,954 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-09-04 13:39:14,954 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-09-04 13:39:14,954 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-09-04 13:39:14,954 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-09-04 13:39:14,954 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-09-04 13:39:14,955 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-09-04 13:39:14,955 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-09-04 13:39:14,955 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:14,955 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:14,955 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:14,955 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:14,955 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:14,955 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:39:14,956 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-09-04 13:39:14,956 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-09-04 13:39:14,956 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-09-04 13:39:14,956 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-09-04 13:39:14,956 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-09-04 13:39:14,956 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-09-04 13:39:14,957 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-09-04 13:39:14,957 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-09-04 13:39:14,957 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-09-04 13:39:14,957 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-09-04 13:39:14,957 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-09-04 13:39:14,957 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-09-04 13:39:14,957 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-04 13:39:14,958 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (<= 23 ~a1~0) (= 14 ~a4~0) (<= 9 ~a19~0) (= ~a12~0 0) (<= ~a19~0 9) (<= ~a1~0 23)) [2020-09-04 13:39:14,958 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-04 13:39:14,958 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-04 13:39:14,958 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a19~0)| 9)) (not (= 14 ~a4~0)) (and (<= 23 ~a1~0) (<= 9 ~a19~0) (<= ~a19~0 9) (<= ~a1~0 23) (= ~a10~0 |old(~a10~0)|)) (not (= ~a12~0 0))) [2020-09-04 13:39:14,958 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-09-04 13:39:14,959 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (and (<= 8 ~a19~0) (<= ~a19~0 9)) (not (<= |old(~a10~0)| 0)) (not (= ~a10~0 4)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (<= ~a19~0 6) (not (= ~a12~0 0))) [2020-09-04 13:39:14,959 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-09-04 13:39:14,959 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-09-04 13:39:14,959 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (and (<= 8 ~a19~0) (<= ~a19~0 9)) (not (<= |old(~a10~0)| 0)) (not (= ~a10~0 4)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (<= ~a19~0 6) (not (= ~a12~0 0))) [2020-09-04 13:39:14,959 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-09-04 13:39:14,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 01:39:14 BoogieIcfgContainer [2020-09-04 13:39:14,987 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 13:39:14,989 INFO L168 Benchmark]: Toolchain (without parser) took 34460.54 ms. Allocated memory was 138.9 MB in the beginning and 654.3 MB in the end (delta: 515.4 MB). Free memory was 100.3 MB in the beginning and 103.7 MB in the end (delta: -3.3 MB). Peak memory consumption was 512.0 MB. Max. memory is 7.1 GB. [2020-09-04 13:39:14,990 INFO L168 Benchmark]: CDTParser took 0.53 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.1 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-09-04 13:39:14,991 INFO L168 Benchmark]: CACSL2BoogieTranslator took 759.10 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 99.9 MB in the beginning and 168.4 MB in the end (delta: -68.5 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. [2020-09-04 13:39:14,992 INFO L168 Benchmark]: Boogie Preprocessor took 119.06 ms. Allocated memory is still 202.4 MB. Free memory was 168.4 MB in the beginning and 163.3 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2020-09-04 13:39:14,993 INFO L168 Benchmark]: RCFGBuilder took 1301.24 ms. Allocated memory was 202.4 MB in the beginning and 234.9 MB in the end (delta: 32.5 MB). Free memory was 163.3 MB in the beginning and 177.2 MB in the end (delta: -13.9 MB). Peak memory consumption was 83.1 MB. Max. memory is 7.1 GB. [2020-09-04 13:39:14,994 INFO L168 Benchmark]: TraceAbstraction took 32274.66 ms. Allocated memory was 234.9 MB in the beginning and 654.3 MB in the end (delta: 419.4 MB). Free memory was 175.5 MB in the beginning and 103.7 MB in the end (delta: 71.8 MB). Peak memory consumption was 491.2 MB. Max. memory is 7.1 GB. [2020-09-04 13:39:14,998 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.1 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 759.10 ms. Allocated memory was 138.9 MB in the beginning and 202.4 MB in the end (delta: 63.4 MB). Free memory was 99.9 MB in the beginning and 168.4 MB in the end (delta: -68.5 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 119.06 ms. Allocated memory is still 202.4 MB. Free memory was 168.4 MB in the beginning and 163.3 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1301.24 ms. Allocated memory was 202.4 MB in the beginning and 234.9 MB in the end (delta: 32.5 MB). Free memory was 163.3 MB in the beginning and 177.2 MB in the end (delta: -13.9 MB). Peak memory consumption was 83.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 32274.66 ms. Allocated memory was 234.9 MB in the beginning and 654.3 MB in the end (delta: 419.4 MB). Free memory was 175.5 MB in the beginning and 103.7 MB in the end (delta: 71.8 MB). Peak memory consumption was 491.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 121]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: ((((((((!(23 <= \old(a1)) || (8 <= a19 && a19 <= 9)) || !(\old(a10) <= 0)) || !(a10 == 4)) || !(9 <= \old(a19))) || !(\old(a1) <= 23)) || !(14 == a4)) || !(\old(a19) <= 9)) || a19 <= 6) || !(a12 == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 29.2s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 21.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 447 SDtfs, 4848 SDslu, 394 SDs, 0 SdLazy, 11523 SolverSat, 2058 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1933 GetRequests, 1816 SyntacticMatches, 0 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 504 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3099occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 9 MinimizatonAttempts, 2124 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 66 PreInvPairs, 128 NumberOfFragments, 252 HoareAnnotationTreeSize, 66 FomulaSimplifications, 23493 FormulaSimplificationTreeSizeReduction, 1.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 5792 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 3819 NumberOfCodeBlocks, 3819 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3804 ConstructedInterpolants, 0 QuantifiedInterpolants, 2117483 SizeOfPredicates, 6 NumberOfNonLiveVariables, 2879 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 15 InterpolantComputations, 6 PerfectInterpolantSequences, 2795/2896 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...