/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_label19.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 13:37:58,539 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 13:37:58,544 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 13:37:58,587 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 13:37:58,587 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 13:37:58,595 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 13:37:58,599 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 13:37:58,603 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 13:37:58,607 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 13:37:58,610 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 13:37:58,611 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 13:37:58,612 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 13:37:58,612 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 13:37:58,615 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 13:37:58,618 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 13:37:58,619 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 13:37:58,621 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 13:37:58,623 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 13:37:58,625 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 13:37:58,634 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 13:37:58,636 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 13:37:58,639 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 13:37:58,640 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 13:37:58,641 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 13:37:58,658 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-09-04 13:37:58,676 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 13:37:58,712 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 13:37:58,712 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 13:37:58,713 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-04 13:37:58,714 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-04 13:37:58,714 INFO L138 SettingsManager]: * Use SBE=true [2020-09-04 13:37:58,714 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 13:37:58,714 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 13:37:58,714 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 13:37:58,715 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 13:37:58,715 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 13:37:58,715 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 13:37:58,715 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 13:37:58,715 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 13:37:58,716 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 13:37:58,716 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 13:37:58,716 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 13:37:58,716 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 13:37:58,717 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 13:37:58,717 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-04 13:37:58,717 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 13:37:58,717 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 13:37:58,717 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 13:37:58,718 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 13:37:58,718 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-04 13:37:58,718 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-04 13:37:58,718 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-04 13:37:58,718 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-04 13:37:58,719 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 13:37:58,719 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-04 13:37:58,719 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-04 13:37:59,212 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 13:37:59,237 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 13:37:59,241 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 13:37:59,242 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 13:37:59,243 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 13:37:59,244 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label19.c [2020-09-04 13:37:59,332 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4777acba8/f6ff93e6c4434549866da83685352b56/FLAG6708a5e1f [2020-09-04 13:37:59,982 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 13:37:59,983 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label19.c [2020-09-04 13:38:00,012 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4777acba8/f6ff93e6c4434549866da83685352b56/FLAG6708a5e1f [2020-09-04 13:38:00,219 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4777acba8/f6ff93e6c4434549866da83685352b56 [2020-09-04 13:38:00,234 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 13:38:00,237 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 13:38:00,238 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 13:38:00,238 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 13:38:00,243 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 13:38:00,244 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 01:38:00" (1/1) ... [2020-09-04 13:38:00,249 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@406521a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:38:00, skipping insertion in model container [2020-09-04 13:38:00,249 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 01:38:00" (1/1) ... [2020-09-04 13:38:00,259 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 13:38:00,327 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 13:38:00,918 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 13:38:00,924 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 13:38:01,084 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 13:38:01,103 INFO L208 MainTranslator]: Completed translation [2020-09-04 13:38:01,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:38:01 WrapperNode [2020-09-04 13:38:01,104 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 13:38:01,105 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 13:38:01,105 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 13:38:01,105 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 13:38:01,120 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:38:01" (1/1) ... [2020-09-04 13:38:01,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:38:01" (1/1) ... [2020-09-04 13:38:01,140 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:38:01" (1/1) ... [2020-09-04 13:38:01,140 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:38:01" (1/1) ... [2020-09-04 13:38:01,179 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:38:01" (1/1) ... [2020-09-04 13:38:01,196 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:38:01" (1/1) ... [2020-09-04 13:38:01,203 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:38:01" (1/1) ... [2020-09-04 13:38:01,214 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 13:38:01,214 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 13:38:01,215 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 13:38:01,215 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 13:38:01,216 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:38:01" (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 13:38:01,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 13:38:01,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 13:38:01,295 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-04 13:38:01,295 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 13:38:01,295 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-04 13:38:01,295 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 13:38:01,296 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 13:38:01,296 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-04 13:38:01,296 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 13:38:01,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 13:38:01,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 13:38:02,824 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 13:38:02,825 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-04 13:38:02,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 01:38:02 BoogieIcfgContainer [2020-09-04 13:38:02,833 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 13:38:02,835 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 13:38:02,835 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 13:38:02,839 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 13:38:02,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 01:38:00" (1/3) ... [2020-09-04 13:38:02,840 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38d2b406 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 01:38:02, skipping insertion in model container [2020-09-04 13:38:02,841 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 01:38:01" (2/3) ... [2020-09-04 13:38:02,841 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38d2b406 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 01:38:02, skipping insertion in model container [2020-09-04 13:38:02,841 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 01:38:02" (3/3) ... [2020-09-04 13:38:02,844 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label19.c [2020-09-04 13:38:02,855 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-09-04 13:38:02,866 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 13:38:02,887 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 13:38:02,922 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 13:38:02,922 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 13:38:02,922 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-09-04 13:38:02,922 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 13:38:02,923 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 13:38:02,923 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 13:38:02,923 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 13:38:02,923 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 13:38:02,952 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-09-04 13:38:02,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-09-04 13:38:02,962 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:38:02,964 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] [2020-09-04 13:38:02,964 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:38:02,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:38:02,973 INFO L82 PathProgramCache]: Analyzing trace with hash -1418549242, now seen corresponding path program 1 times [2020-09-04 13:38:02,983 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:38:02,984 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022738427] [2020-09-04 13:38:02,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:38:03,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:03,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:38:03,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:03,410 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 13:38:03,411 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022738427] [2020-09-04 13:38:03,412 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 13:38:03,413 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-09-04 13:38:03,414 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268522391] [2020-09-04 13:38:03,421 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-04 13:38:03,421 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:38:03,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-04 13:38:03,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-09-04 13:38:03,444 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 4 states. [2020-09-04 13:38:05,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:38:05,081 INFO L93 Difference]: Finished difference Result 596 states and 1022 transitions. [2020-09-04 13:38:05,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-09-04 13:38:05,083 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 35 [2020-09-04 13:38:05,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:38:05,104 INFO L225 Difference]: With dead ends: 596 [2020-09-04 13:38:05,104 INFO L226 Difference]: Without dead ends: 302 [2020-09-04 13:38:05,115 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-09-04 13:38:05,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-09-04 13:38:05,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 296. [2020-09-04 13:38:05,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-09-04 13:38:05,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 448 transitions. [2020-09-04 13:38:05,210 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 448 transitions. Word has length 35 [2020-09-04 13:38:05,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:38:05,211 INFO L479 AbstractCegarLoop]: Abstraction has 296 states and 448 transitions. [2020-09-04 13:38:05,211 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-04 13:38:05,211 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 448 transitions. [2020-09-04 13:38:05,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-09-04 13:38:05,218 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:38:05,219 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:38:05,219 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 13:38:05,219 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:38:05,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:38:05,220 INFO L82 PathProgramCache]: Analyzing trace with hash -945859230, now seen corresponding path program 1 times [2020-09-04 13:38:05,220 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:38:05,221 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224267661] [2020-09-04 13:38:05,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:38:05,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:05,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:38:05,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:05,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:38:05,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:05,586 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-09-04 13:38:05,586 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224267661] [2020-09-04 13:38:05,587 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [476911614] [2020-09-04 13:38:05,587 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 13:38:05,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:05,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 4 conjunts are in the unsatisfiable core [2020-09-04 13:38:05,681 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:38:05,767 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:38:05,768 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-09-04 13:38:05,768 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 7 [2020-09-04 13:38:05,769 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958217292] [2020-09-04 13:38:05,771 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-04 13:38:05,771 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:38:05,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-04 13:38:05,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-04 13:38:05,772 INFO L87 Difference]: Start difference. First operand 296 states and 448 transitions. Second operand 3 states. [2020-09-04 13:38:06,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:38:06,644 INFO L93 Difference]: Finished difference Result 586 states and 899 transitions. [2020-09-04 13:38:06,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-04 13:38:06,645 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105 [2020-09-04 13:38:06,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:38:06,655 INFO L225 Difference]: With dead ends: 586 [2020-09-04 13:38:06,656 INFO L226 Difference]: Without dead ends: 584 [2020-09-04 13:38:06,657 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-04 13:38:06,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2020-09-04 13:38:06,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 296. [2020-09-04 13:38:06,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-09-04 13:38:06,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 448 transitions. [2020-09-04 13:38:06,691 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 448 transitions. Word has length 105 [2020-09-04 13:38:06,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:38:06,692 INFO L479 AbstractCegarLoop]: Abstraction has 296 states and 448 transitions. [2020-09-04 13:38:06,693 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-04 13:38:06,693 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 448 transitions. [2020-09-04 13:38:06,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-09-04 13:38:06,697 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:38:06,697 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:38:06,912 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-09-04 13:38:06,913 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:38:06,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:38:06,914 INFO L82 PathProgramCache]: Analyzing trace with hash 1212772285, now seen corresponding path program 1 times [2020-09-04 13:38:06,914 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:38:06,915 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190112765] [2020-09-04 13:38:06,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:38:06,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:07,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:38:07,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:07,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:38:07,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:07,145 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:38:07,146 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190112765] [2020-09-04 13:38:07,146 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 13:38:07,147 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-04 13:38:07,147 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489557782] [2020-09-04 13:38:07,147 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 13:38:07,148 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:38:07,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 13:38:07,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-04 13:38:07,149 INFO L87 Difference]: Start difference. First operand 296 states and 448 transitions. Second operand 8 states. [2020-09-04 13:38:08,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:38:08,877 INFO L93 Difference]: Finished difference Result 751 states and 1156 transitions. [2020-09-04 13:38:08,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-09-04 13:38:08,878 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 108 [2020-09-04 13:38:08,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:38:08,882 INFO L225 Difference]: With dead ends: 751 [2020-09-04 13:38:08,883 INFO L226 Difference]: Without dead ends: 461 [2020-09-04 13:38:08,884 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 13:38:08,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2020-09-04 13:38:08,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 445. [2020-09-04 13:38:08,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2020-09-04 13:38:08,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 626 transitions. [2020-09-04 13:38:08,914 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 626 transitions. Word has length 108 [2020-09-04 13:38:08,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:38:08,915 INFO L479 AbstractCegarLoop]: Abstraction has 445 states and 626 transitions. [2020-09-04 13:38:08,915 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 13:38:08,915 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 626 transitions. [2020-09-04 13:38:08,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-09-04 13:38:08,918 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:38:08,918 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:38:08,919 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-04 13:38:08,919 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:38:08,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:38:08,919 INFO L82 PathProgramCache]: Analyzing trace with hash -969660742, now seen corresponding path program 1 times [2020-09-04 13:38:08,920 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:38:08,920 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523849641] [2020-09-04 13:38:08,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:38:08,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:09,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:38:09,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:09,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:38:09,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:09,161 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 13:38:09,161 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523849641] [2020-09-04 13:38:09,162 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 13:38:09,162 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-04 13:38:09,163 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173247751] [2020-09-04 13:38:09,164 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 13:38:09,165 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:38:09,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 13:38:09,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-04 13:38:09,167 INFO L87 Difference]: Start difference. First operand 445 states and 626 transitions. Second operand 8 states. [2020-09-04 13:38:11,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:38:11,502 INFO L93 Difference]: Finished difference Result 1645 states and 2369 transitions. [2020-09-04 13:38:11,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-04 13:38:11,503 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 117 [2020-09-04 13:38:11,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:38:11,513 INFO L225 Difference]: With dead ends: 1645 [2020-09-04 13:38:11,514 INFO L226 Difference]: Without dead ends: 1206 [2020-09-04 13:38:11,516 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-09-04 13:38:11,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1206 states. [2020-09-04 13:38:11,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1206 to 1192. [2020-09-04 13:38:11,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1192 states. [2020-09-04 13:38:11,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1192 states to 1192 states and 1533 transitions. [2020-09-04 13:38:11,579 INFO L78 Accepts]: Start accepts. Automaton has 1192 states and 1533 transitions. Word has length 117 [2020-09-04 13:38:11,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:38:11,579 INFO L479 AbstractCegarLoop]: Abstraction has 1192 states and 1533 transitions. [2020-09-04 13:38:11,580 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 13:38:11,580 INFO L276 IsEmpty]: Start isEmpty. Operand 1192 states and 1533 transitions. [2020-09-04 13:38:11,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-09-04 13:38:11,586 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:38:11,586 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-04 13:38:11,587 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-04 13:38:11,587 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:38:11,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:38:11,587 INFO L82 PathProgramCache]: Analyzing trace with hash 1119643437, now seen corresponding path program 1 times [2020-09-04 13:38:11,588 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:38:11,588 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125579997] [2020-09-04 13:38:11,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:38:11,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:11,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:38:11,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:11,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:38:11,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:11,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-09-04 13:38:11,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:12,005 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 56 proven. 77 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-04 13:38:12,006 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125579997] [2020-09-04 13:38:12,006 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1262010988] [2020-09-04 13:38:12,006 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 13:38:12,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:12,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 4 conjunts are in the unsatisfiable core [2020-09-04 13:38:12,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:38:12,210 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2020-09-04 13:38:12,211 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-09-04 13:38:12,211 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-09-04 13:38:12,211 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998362202] [2020-09-04 13:38:12,214 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-04 13:38:12,215 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:38:12,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-04 13:38:12,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-04 13:38:12,216 INFO L87 Difference]: Start difference. First operand 1192 states and 1533 transitions. Second operand 3 states. [2020-09-04 13:38:15,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:38:15,114 INFO L93 Difference]: Finished difference Result 2378 states and 3067 transitions. [2020-09-04 13:38:15,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-04 13:38:15,115 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 204 [2020-09-04 13:38:15,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:38:15,126 INFO L225 Difference]: With dead ends: 2378 [2020-09-04 13:38:15,127 INFO L226 Difference]: Without dead ends: 1192 [2020-09-04 13:38:15,131 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-04 13:38:15,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1192 states. [2020-09-04 13:38:15,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1192 to 1045. [2020-09-04 13:38:15,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1045 states. [2020-09-04 13:38:15,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 1045 states and 1292 transitions. [2020-09-04 13:38:15,176 INFO L78 Accepts]: Start accepts. Automaton has 1045 states and 1292 transitions. Word has length 204 [2020-09-04 13:38:15,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:38:15,177 INFO L479 AbstractCegarLoop]: Abstraction has 1045 states and 1292 transitions. [2020-09-04 13:38:15,177 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-04 13:38:15,177 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 1292 transitions. [2020-09-04 13:38:15,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2020-09-04 13:38:15,186 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:38:15,187 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:38:15,400 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:38:15,400 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:38:15,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:38:15,401 INFO L82 PathProgramCache]: Analyzing trace with hash 622912238, now seen corresponding path program 1 times [2020-09-04 13:38:15,401 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:38:15,402 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090230251] [2020-09-04 13:38:15,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:38:15,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:15,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:38:15,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:15,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:38:15,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:15,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-04 13:38:15,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:15,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-09-04 13:38:15,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:15,773 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 155 proven. 71 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-09-04 13:38:15,774 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090230251] [2020-09-04 13:38:15,774 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1439162842] [2020-09-04 13:38:15,774 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 13:38:15,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:15,885 INFO L263 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 4 conjunts are in the unsatisfiable core [2020-09-04 13:38:15,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:38:16,027 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 265 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-09-04 13:38:16,028 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-04 13:38:16,028 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-09-04 13:38:16,029 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454109575] [2020-09-04 13:38:16,030 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-04 13:38:16,030 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:38:16,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-04 13:38:16,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-09-04 13:38:16,031 INFO L87 Difference]: Start difference. First operand 1045 states and 1292 transitions. Second operand 10 states. [2020-09-04 13:38:20,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:38:20,091 INFO L93 Difference]: Finished difference Result 3151 states and 4080 transitions. [2020-09-04 13:38:20,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-04 13:38:20,092 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 303 [2020-09-04 13:38:20,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:38:20,103 INFO L225 Difference]: With dead ends: 3151 [2020-09-04 13:38:20,103 INFO L226 Difference]: Without dead ends: 2112 [2020-09-04 13:38:20,106 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 339 GetRequests, 319 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=118, Invalid=344, Unknown=0, NotChecked=0, Total=462 [2020-09-04 13:38:20,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2112 states. [2020-09-04 13:38:20,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2112 to 1643. [2020-09-04 13:38:20,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1643 states. [2020-09-04 13:38:20,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1643 states to 1643 states and 1972 transitions. [2020-09-04 13:38:20,164 INFO L78 Accepts]: Start accepts. Automaton has 1643 states and 1972 transitions. Word has length 303 [2020-09-04 13:38:20,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:38:20,165 INFO L479 AbstractCegarLoop]: Abstraction has 1643 states and 1972 transitions. [2020-09-04 13:38:20,165 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-04 13:38:20,165 INFO L276 IsEmpty]: Start isEmpty. Operand 1643 states and 1972 transitions. [2020-09-04 13:38:20,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2020-09-04 13:38:20,173 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:38:20,173 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:38:20,386 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:38:20,387 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:38:20,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:38:20,388 INFO L82 PathProgramCache]: Analyzing trace with hash -1601268491, now seen corresponding path program 1 times [2020-09-04 13:38:20,388 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:38:20,389 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716760889] [2020-09-04 13:38:20,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:38:20,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:20,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:38:20,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:20,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:38:20,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:20,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 13:38:20,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:20,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-04 13:38:20,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:20,959 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 92 proven. 208 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-09-04 13:38:20,960 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716760889] [2020-09-04 13:38:20,960 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [103465449] [2020-09-04 13:38:20,960 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 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 13:38:21,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:21,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 525 conjuncts, 4 conjunts are in the unsatisfiable core [2020-09-04 13:38:21,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:38:21,217 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 276 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-09-04 13:38:21,218 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-04 13:38:21,219 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5] total 13 [2020-09-04 13:38:21,219 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475058899] [2020-09-04 13:38:21,221 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-04 13:38:21,221 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:38:21,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-04 13:38:21,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-09-04 13:38:21,224 INFO L87 Difference]: Start difference. First operand 1643 states and 1972 transitions. Second operand 13 states. [2020-09-04 13:38:27,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:38:27,187 INFO L93 Difference]: Finished difference Result 6079 states and 7478 transitions. [2020-09-04 13:38:27,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-09-04 13:38:27,188 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 312 [2020-09-04 13:38:27,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:38:27,205 INFO L225 Difference]: With dead ends: 6079 [2020-09-04 13:38:27,205 INFO L226 Difference]: Without dead ends: 3365 [2020-09-04 13:38:27,214 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 374 GetRequests, 338 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 332 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=309, Invalid=1097, Unknown=0, NotChecked=0, Total=1406 [2020-09-04 13:38:27,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3365 states. [2020-09-04 13:38:27,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3365 to 1631. [2020-09-04 13:38:27,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1631 states. [2020-09-04 13:38:27,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1631 states to 1631 states and 1886 transitions. [2020-09-04 13:38:27,285 INFO L78 Accepts]: Start accepts. Automaton has 1631 states and 1886 transitions. Word has length 312 [2020-09-04 13:38:27,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:38:27,286 INFO L479 AbstractCegarLoop]: Abstraction has 1631 states and 1886 transitions. [2020-09-04 13:38:27,286 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-04 13:38:27,286 INFO L276 IsEmpty]: Start isEmpty. Operand 1631 states and 1886 transitions. [2020-09-04 13:38:27,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2020-09-04 13:38:27,294 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:38:27,294 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, 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, 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] [2020-09-04 13:38:27,507 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:38:27,507 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:38:27,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:38:27,508 INFO L82 PathProgramCache]: Analyzing trace with hash -1000768387, now seen corresponding path program 1 times [2020-09-04 13:38:27,508 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:38:27,508 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979186997] [2020-09-04 13:38:27,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:38:27,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:27,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:38:27,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:27,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:38:27,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:27,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-04 13:38:27,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:27,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-04 13:38:27,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:28,165 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 92 proven. 6 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2020-09-04 13:38:28,166 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979186997] [2020-09-04 13:38:28,166 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [289977792] [2020-09-04 13:38:28,172 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 13:38:28,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:28,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 559 conjuncts, 4 conjunts are in the unsatisfiable core [2020-09-04 13:38:28,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:38:28,408 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 272 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-09-04 13:38:28,409 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-09-04 13:38:28,409 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2020-09-04 13:38:28,409 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96209060] [2020-09-04 13:38:28,410 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-04 13:38:28,410 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:38:28,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-04 13:38:28,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-09-04 13:38:28,411 INFO L87 Difference]: Start difference. First operand 1631 states and 1886 transitions. Second operand 11 states. [2020-09-04 13:38:32,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:38:32,507 INFO L93 Difference]: Finished difference Result 6021 states and 7279 transitions. [2020-09-04 13:38:32,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-04 13:38:32,508 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 348 [2020-09-04 13:38:32,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:38:32,530 INFO L225 Difference]: With dead ends: 6021 [2020-09-04 13:38:32,531 INFO L226 Difference]: Without dead ends: 4396 [2020-09-04 13:38:32,537 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 385 GetRequests, 364 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=133, Invalid=373, Unknown=0, NotChecked=0, Total=506 [2020-09-04 13:38:32,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4396 states. [2020-09-04 13:38:32,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4396 to 4098. [2020-09-04 13:38:32,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4098 states. [2020-09-04 13:38:32,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4098 states to 4098 states and 4846 transitions. [2020-09-04 13:38:32,658 INFO L78 Accepts]: Start accepts. Automaton has 4098 states and 4846 transitions. Word has length 348 [2020-09-04 13:38:32,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:38:32,658 INFO L479 AbstractCegarLoop]: Abstraction has 4098 states and 4846 transitions. [2020-09-04 13:38:32,659 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-04 13:38:32,659 INFO L276 IsEmpty]: Start isEmpty. Operand 4098 states and 4846 transitions. [2020-09-04 13:38:32,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2020-09-04 13:38:32,673 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 13:38:32,674 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 13:38:32,906 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:38:32,906 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 13:38:32,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 13:38:32,907 INFO L82 PathProgramCache]: Analyzing trace with hash -583400554, now seen corresponding path program 1 times [2020-09-04 13:38:32,908 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-09-04 13:38:32,909 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235776033] [2020-09-04 13:38:32,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 13:38:32,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:33,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 13:38:33,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:33,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-09-04 13:38:33,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:33,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-09-04 13:38:33,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:33,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-09-04 13:38:33,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:33,348 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 87 proven. 3 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2020-09-04 13:38:33,348 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235776033] [2020-09-04 13:38:33,349 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1834703715] [2020-09-04 13:38:33,349 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 13:38:33,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 13:38:33,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 4 conjunts are in the unsatisfiable core [2020-09-04 13:38:33,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-09-04 13:38:33,617 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2020-09-04 13:38:33,618 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-09-04 13:38:33,619 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-09-04 13:38:33,619 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784253363] [2020-09-04 13:38:33,620 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-09-04 13:38:33,620 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-09-04 13:38:33,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-09-04 13:38:33,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-09-04 13:38:33,621 INFO L87 Difference]: Start difference. First operand 4098 states and 4846 transitions. Second operand 3 states. [2020-09-04 13:38:34,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 13:38:34,287 INFO L93 Difference]: Finished difference Result 4098 states and 4846 transitions. [2020-09-04 13:38:34,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-09-04 13:38:34,288 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 361 [2020-09-04 13:38:34,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 13:38:34,290 INFO L225 Difference]: With dead ends: 4098 [2020-09-04 13:38:34,290 INFO L226 Difference]: Without dead ends: 0 [2020-09-04 13:38:34,300 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 373 GetRequests, 369 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 13:38:34,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-04 13:38:34,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-04 13:38:34,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-04 13:38:34,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-04 13:38:34,302 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 361 [2020-09-04 13:38:34,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 13:38:34,302 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-04 13:38:34,302 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-09-04 13:38:34,303 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-04 13:38:34,303 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-04 13:38:34,516 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-09-04 13:38:34,518 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-04 13:38:36,537 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 125 [2020-09-04 13:38:36,898 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 125 [2020-09-04 13:38:38,038 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 244 DAG size of output: 43 [2020-09-04 13:38:38,542 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 40 [2020-09-04 13:38:39,026 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 40 [2020-09-04 13:38:39,031 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-04 13:38:39,032 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 13:38:39,032 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-04 13:38:39,032 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-09-04 13:38:39,032 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:39,032 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:39,033 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:39,033 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:39,033 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:39,033 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:39,033 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-09-04 13:38:39,033 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-09-04 13:38:39,033 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-09-04 13:38:39,034 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-09-04 13:38:39,034 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-09-04 13:38:39,034 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-09-04 13:38:39,034 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-09-04 13:38:39,034 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-09-04 13:38:39,034 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-09-04 13:38:39,034 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-09-04 13:38:39,034 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-09-04 13:38:39,035 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:39,035 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:39,035 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:39,035 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:39,035 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:39,035 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-09-04 13:38:39,035 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-09-04 13:38:39,035 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-09-04 13:38:39,035 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-09-04 13:38:39,036 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-09-04 13:38:39,036 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-09-04 13:38:39,036 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-09-04 13:38:39,036 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-09-04 13:38:39,036 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-09-04 13:38:39,036 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-09-04 13:38:39,036 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-09-04 13:38:39,037 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-09-04 13:38:39,037 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-09-04 13:38:39,037 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 91) no Hoare annotation was computed. [2020-09-04 13:38:39,037 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-09-04 13:38:39,037 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:39,037 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:39,037 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:39,038 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:39,038 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:39,038 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-09-04 13:38:39,038 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-09-04 13:38:39,038 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-09-04 13:38:39,038 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-09-04 13:38:39,038 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-09-04 13:38:39,039 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-09-04 13:38:39,039 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-09-04 13:38:39,039 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-09-04 13:38:39,039 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-09-04 13:38:39,039 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-09-04 13:38:39,039 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:39,039 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:39,040 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:39,040 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:39,040 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:39,040 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-09-04 13:38:39,040 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-09-04 13:38:39,040 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-09-04 13:38:39,040 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-09-04 13:38:39,041 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-09-04 13:38:39,041 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-09-04 13:38:39,041 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-09-04 13:38:39,041 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-09-04 13:38:39,041 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-09-04 13:38:39,041 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-09-04 13:38:39,041 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-09-04 13:38:39,042 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-09-04 13:38:39,042 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-09-04 13:38:39,042 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:39,042 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:39,042 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:39,042 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:39,042 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:39,042 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-09-04 13:38:39,042 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-09-04 13:38:39,043 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-09-04 13:38:39,043 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-09-04 13:38:39,043 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-09-04 13:38:39,043 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-09-04 13:38:39,043 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-09-04 13:38:39,043 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-09-04 13:38:39,043 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-09-04 13:38:39,043 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:39,043 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:39,043 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:39,043 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:39,043 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:39,044 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:39,044 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:39,044 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-09-04 13:38:39,044 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-09-04 13:38:39,044 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-09-04 13:38:39,044 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-09-04 13:38:39,044 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-09-04 13:38:39,044 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-09-04 13:38:39,044 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-09-04 13:38:39,044 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-09-04 13:38:39,045 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-09-04 13:38:39,045 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-09-04 13:38:39,045 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-09-04 13:38:39,045 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-09-04 13:38:39,045 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-09-04 13:38:39,045 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:39,045 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:39,045 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:39,045 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:39,046 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-09-04 13:38:39,046 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:39,046 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:39,046 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-09-04 13:38:39,046 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-09-04 13:38:39,046 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-09-04 13:38:39,046 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-09-04 13:38:39,046 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-09-04 13:38:39,046 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-09-04 13:38:39,047 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-09-04 13:38:39,047 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-09-04 13:38:39,047 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-09-04 13:38:39,047 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-09-04 13:38:39,047 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-09-04 13:38:39,047 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-09-04 13:38:39,047 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-09-04 13:38:39,047 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:39,047 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:39,047 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:39,047 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:39,047 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:39,048 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:39,048 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-09-04 13:38:39,048 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-09-04 13:38:39,048 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-09-04 13:38:39,048 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-09-04 13:38:39,048 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-09-04 13:38:39,048 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-09-04 13:38:39,048 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-09-04 13:38:39,049 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-09-04 13:38:39,049 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-09-04 13:38:39,049 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-09-04 13:38:39,049 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-09-04 13:38:39,049 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse0 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)))) (and (or .cse0 (not (<= |old(~a19~0)| 6))) (or .cse0 (not (= 9 |old(~a19~0)|))) (or (not (<= |old(~a19~0)| 8)) .cse0 (not (<= 2 |old(~a10~0)|))) (or (not (<= |old(~a10~0)| 0)) (and (not (<= 23 |old(~a1~0)|)) (not (<= 9 |old(~a19~0)|))) .cse0) (or .cse0 (= 4 |old(~a10~0)|) (not (<= 1 |old(~a10~0)|))))) [2020-09-04 13:38:39,050 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-09-04 13:38:39,050 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-09-04 13:38:39,050 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-09-04 13:38:39,050 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:39,050 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:39,050 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:39,050 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:39,050 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:39,051 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:39,051 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-09-04 13:38:39,051 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-09-04 13:38:39,051 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-09-04 13:38:39,051 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-09-04 13:38:39,051 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-09-04 13:38:39,051 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-09-04 13:38:39,052 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-09-04 13:38:39,052 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-09-04 13:38:39,052 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-09-04 13:38:39,052 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-09-04 13:38:39,052 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-09-04 13:38:39,052 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-09-04 13:38:39,052 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-09-04 13:38:39,052 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:39,053 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:39,053 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:39,053 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:39,053 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:39,053 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:39,053 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-09-04 13:38:39,053 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-09-04 13:38:39,053 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-09-04 13:38:39,054 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-09-04 13:38:39,054 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-09-04 13:38:39,054 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-09-04 13:38:39,054 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-09-04 13:38:39,054 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-09-04 13:38:39,054 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-09-04 13:38:39,054 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-09-04 13:38:39,054 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-09-04 13:38:39,055 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-09-04 13:38:39,055 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:39,055 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:39,055 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:39,055 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:39,055 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:39,055 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-09-04 13:38:39,055 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-09-04 13:38:39,056 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-09-04 13:38:39,056 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-09-04 13:38:39,056 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-09-04 13:38:39,056 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-09-04 13:38:39,056 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-09-04 13:38:39,056 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-09-04 13:38:39,056 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-09-04 13:38:39,056 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-09-04 13:38:39,057 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-09-04 13:38:39,057 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-09-04 13:38:39,057 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-09-04 13:38:39,057 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-04 13:38:39,057 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (= ~a4~0 14) (<= 23 ~a1~0) (<= 9 ~a19~0) (= ~a12~0 0) (<= ~a19~0 9)) [2020-09-04 13:38:39,057 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-04 13:38:39,057 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-04 13:38:39,058 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (and (<= 9 ~a19~0) (<= ~a19~0 9) (= ~a1~0 |old(~a1~0)|) (= ~a10~0 |old(~a10~0)|)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a19~0)| 9)) (not (= 14 ~a4~0)) (not (= ~a12~0 0))) [2020-09-04 13:38:39,058 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-09-04 13:38:39,058 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (<= 1 ~a10~0))) (or (and .cse0 (<= ~a19~0 9)) (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and (<= ~a10~0 0) (or (<= 23 ~a1~0) (<= 9 ~a19~0))) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (<= ~a19~0 6) (not (= ~a12~0 0)) (and (not (= ~a10~0 4)) .cse0))) [2020-09-04 13:38:39,058 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-09-04 13:38:39,058 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-09-04 13:38:39,059 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (<= 1 ~a10~0))) (or (and .cse0 (<= ~a19~0 9)) (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and (<= ~a10~0 0) (or (<= 23 ~a1~0) (<= 9 ~a19~0))) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (<= ~a19~0 6) (not (= ~a12~0 0)) (and (not (= ~a10~0 4)) .cse0))) [2020-09-04 13:38:39,059 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-09-04 13:38:39,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 01:38:39 BoogieIcfgContainer [2020-09-04 13:38:39,090 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 13:38:39,092 INFO L168 Benchmark]: Toolchain (without parser) took 38855.93 ms. Allocated memory was 148.4 MB in the beginning and 623.9 MB in the end (delta: 475.5 MB). Free memory was 102.5 MB in the beginning and 385.5 MB in the end (delta: -282.9 MB). Peak memory consumption was 449.9 MB. Max. memory is 7.1 GB. [2020-09-04 13:38:39,093 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 148.4 MB. Free memory was 122.9 MB in the beginning and 122.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-09-04 13:38:39,094 INFO L168 Benchmark]: CACSL2BoogieTranslator took 866.62 ms. Allocated memory was 148.4 MB in the beginning and 206.0 MB in the end (delta: 57.7 MB). Free memory was 102.3 MB in the beginning and 172.1 MB in the end (delta: -69.8 MB). Peak memory consumption was 32.1 MB. Max. memory is 7.1 GB. [2020-09-04 13:38:39,096 INFO L168 Benchmark]: Boogie Preprocessor took 109.12 ms. Allocated memory is still 206.0 MB. Free memory was 172.1 MB in the beginning and 166.8 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. [2020-09-04 13:38:39,097 INFO L168 Benchmark]: RCFGBuilder took 1618.86 ms. Allocated memory was 206.0 MB in the beginning and 235.4 MB in the end (delta: 29.4 MB). Free memory was 166.8 MB in the beginning and 176.6 MB in the end (delta: -9.8 MB). Peak memory consumption was 79.4 MB. Max. memory is 7.1 GB. [2020-09-04 13:38:39,098 INFO L168 Benchmark]: TraceAbstraction took 36255.29 ms. Allocated memory was 235.4 MB in the beginning and 623.9 MB in the end (delta: 388.5 MB). Free memory was 176.6 MB in the beginning and 385.5 MB in the end (delta: -208.9 MB). Peak memory consumption was 436.9 MB. Max. memory is 7.1 GB. [2020-09-04 13:38:39,110 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 148.4 MB. Free memory was 122.9 MB in the beginning and 122.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 866.62 ms. Allocated memory was 148.4 MB in the beginning and 206.0 MB in the end (delta: 57.7 MB). Free memory was 102.3 MB in the beginning and 172.1 MB in the end (delta: -69.8 MB). Peak memory consumption was 32.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 109.12 ms. Allocated memory is still 206.0 MB. Free memory was 172.1 MB in the beginning and 166.8 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1618.86 ms. Allocated memory was 206.0 MB in the beginning and 235.4 MB in the end (delta: 29.4 MB). Free memory was 166.8 MB in the beginning and 176.6 MB in the end (delta: -9.8 MB). Peak memory consumption was 79.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 36255.29 ms. Allocated memory was 235.4 MB in the beginning and 623.9 MB in the end (delta: 388.5 MB). Free memory was 176.6 MB in the beginning and 385.5 MB in the end (delta: -208.9 MB). Peak memory consumption was 436.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 91]: 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: (((((((((1 <= a10 && a19 <= 9) || !(23 <= \old(a1))) || !(\old(a10) <= 0)) || !(9 <= \old(a19))) || (a10 <= 0 && (23 <= a1 || 9 <= a19))) || !(14 == a4)) || !(\old(a19) <= 9)) || a19 <= 6) || !(a12 == 0)) || (!(a10 == 4) && 1 <= a10) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 31.5s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 24.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 617 SDtfs, 5300 SDslu, 467 SDs, 0 SdLazy, 11138 SolverSat, 1988 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 17.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1833 GetRequests, 1714 SyntacticMatches, 0 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 519 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4098occurred 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: 0.4s AutomataMinimizationTime, 9 MinimizatonAttempts, 2972 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 87 PreInvPairs, 165 NumberOfFragments, 289 HoareAnnotationTreeSize, 87 FomulaSimplifications, 85600 FormulaSimplificationTreeSizeReduction, 2.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 8830 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 3526 NumberOfCodeBlocks, 3526 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3511 ConstructedInterpolants, 0 QuantifiedInterpolants, 1845524 SizeOfPredicates, 7 NumberOfNonLiveVariables, 2790 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 15 InterpolantComputations, 6 PerfectInterpolantSequences, 2646/3018 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...