/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/Problem02_label01.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 16:50:33,071 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 16:50:33,075 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 16:50:33,116 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 16:50:33,116 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 16:50:33,125 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 16:50:33,128 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 16:50:33,133 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 16:50:33,136 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 16:50:33,139 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 16:50:33,140 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 16:50:33,140 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2020-08-22 16:50:33,200 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-22 16:50:33,221 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 16:50:33,221 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 16:50:33,223 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 16:50:33,223 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 16:50:33,223 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 16:50:33,223 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 16:50:33,224 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 16:50:33,224 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 16:50:33,224 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 16:50:33,224 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 16:50:33,224 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 16:50:33,225 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 16:50:33,225 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 16:50:33,225 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 16:50:33,225 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 16:50:33,225 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 16:50:33,225 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 16:50:33,226 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 16:50:33,226 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 16:50:33,226 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 16:50:33,226 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 16:50:33,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 16:50:33,227 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 16:50:33,227 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 16:50:33,227 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 16:50:33,227 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 16:50:33,227 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 16:50:33,228 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 16:50:33,228 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 16:50:33,228 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-08-22 16:50:33,545 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 16:50:33,566 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 16:50:33,570 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 16:50:33,572 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 16:50:33,572 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 16:50:33,573 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label01.c [2020-08-22 16:50:33,647 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6a7c69fb/c97ef942ad3a4af79189a40c0242b5a3/FLAG25b7e05fc [2020-08-22 16:50:34,167 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 16:50:34,167 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label01.c [2020-08-22 16:50:34,178 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6a7c69fb/c97ef942ad3a4af79189a40c0242b5a3/FLAG25b7e05fc [2020-08-22 16:50:34,431 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6a7c69fb/c97ef942ad3a4af79189a40c0242b5a3 [2020-08-22 16:50:34,440 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 16:50:34,442 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 16:50:34,444 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 16:50:34,444 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 16:50:34,448 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 16:50:34,449 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 04:50:34" (1/1) ... [2020-08-22 16:50:34,452 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31653048 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:50:34, skipping insertion in model container [2020-08-22 16:50:34,452 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 04:50:34" (1/1) ... [2020-08-22 16:50:34,460 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 16:50:34,508 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 16:50:35,053 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 16:50:35,065 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 16:50:35,179 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 16:50:35,196 INFO L208 MainTranslator]: Completed translation [2020-08-22 16:50:35,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:50:35 WrapperNode [2020-08-22 16:50:35,197 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 16:50:35,198 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 16:50:35,198 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 16:50:35,198 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 16:50:35,213 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:50:35" (1/1) ... [2020-08-22 16:50:35,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:50:35" (1/1) ... [2020-08-22 16:50:35,232 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:50:35" (1/1) ... [2020-08-22 16:50:35,233 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:50:35" (1/1) ... [2020-08-22 16:50:35,285 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:50:35" (1/1) ... [2020-08-22 16:50:35,310 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:50:35" (1/1) ... [2020-08-22 16:50:35,323 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:50:35" (1/1) ... [2020-08-22 16:50:35,334 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 16:50:35,335 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 16:50:35,335 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 16:50:35,336 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 16:50:35,337 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:50:35" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 16:50:35,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 16:50:35,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 16:50:35,411 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-22 16:50:35,411 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 16:50:35,412 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-22 16:50:35,412 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 16:50:35,412 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 16:50:35,412 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-22 16:50:35,412 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 16:50:35,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 16:50:35,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 16:50:36,651 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 16:50:36,652 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-22 16:50:36,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:50:36 BoogieIcfgContainer [2020-08-22 16:50:36,658 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 16:50:36,660 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 16:50:36,660 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 16:50:36,663 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 16:50:36,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 04:50:34" (1/3) ... [2020-08-22 16:50:36,665 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6448073a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 04:50:36, skipping insertion in model container [2020-08-22 16:50:36,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:50:35" (2/3) ... [2020-08-22 16:50:36,665 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6448073a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 04:50:36, skipping insertion in model container [2020-08-22 16:50:36,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:50:36" (3/3) ... [2020-08-22 16:50:36,668 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label01.c [2020-08-22 16:50:36,679 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-08-22 16:50:36,688 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 16:50:36,703 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 16:50:36,730 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 16:50:36,731 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 16:50:36,731 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-08-22 16:50:36,731 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 16:50:36,731 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 16:50:36,731 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 16:50:36,732 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 16:50:36,732 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 16:50:36,756 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-08-22 16:50:36,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-08-22 16:50:36,770 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:50:36,771 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:50:36,772 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:50:36,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:50:36,779 INFO L82 PathProgramCache]: Analyzing trace with hash 1511676745, now seen corresponding path program 1 times [2020-08-22 16:50:36,789 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:50:36,789 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798424876] [2020-08-22 16:50:36,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:50:37,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:50:37,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:50:37,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:50:37,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:50:37,469 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798424876] [2020-08-22 16:50:37,470 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:50:37,471 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 16:50:37,473 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921419306] [2020-08-22 16:50:37,484 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 16:50:37,484 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:50:37,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 16:50:37,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-22 16:50:37,508 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2020-08-22 16:50:39,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:50:39,844 INFO L93 Difference]: Finished difference Result 828 states and 1432 transitions. [2020-08-22 16:50:39,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 16:50:39,846 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 119 [2020-08-22 16:50:39,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:50:39,866 INFO L225 Difference]: With dead ends: 828 [2020-08-22 16:50:39,866 INFO L226 Difference]: Without dead ends: 494 [2020-08-22 16:50:39,875 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-22 16:50:39,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2020-08-22 16:50:39,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 475. [2020-08-22 16:50:39,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 475 states. [2020-08-22 16:50:39,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 685 transitions. [2020-08-22 16:50:39,977 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 685 transitions. Word has length 119 [2020-08-22 16:50:39,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:50:39,978 INFO L479 AbstractCegarLoop]: Abstraction has 475 states and 685 transitions. [2020-08-22 16:50:39,978 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 16:50:39,979 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 685 transitions. [2020-08-22 16:50:39,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-08-22 16:50:39,985 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:50:39,985 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:50:39,986 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 16:50:39,986 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:50:39,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:50:39,986 INFO L82 PathProgramCache]: Analyzing trace with hash 1075041230, now seen corresponding path program 1 times [2020-08-22 16:50:39,987 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:50:39,987 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281953034] [2020-08-22 16:50:39,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:50:40,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:50:40,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:50:40,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:50:40,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:50:40,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:50:40,267 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-22 16:50:40,268 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281953034] [2020-08-22 16:50:40,268 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1742022688] [2020-08-22 16:50:40,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -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 [2020-08-22 16:50:40,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:50:40,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 4 conjunts are in the unsatisfiable core [2020-08-22 16:50:40,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:50:40,465 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:50:40,466 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-08-22 16:50:40,466 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-08-22 16:50:40,467 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235248440] [2020-08-22 16:50:40,468 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-22 16:50:40,469 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:50:40,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-22 16:50:40,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-22 16:50:40,470 INFO L87 Difference]: Start difference. First operand 475 states and 685 transitions. Second operand 3 states. [2020-08-22 16:50:41,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:50:41,195 INFO L93 Difference]: Finished difference Result 1384 states and 2033 transitions. [2020-08-22 16:50:41,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-22 16:50:41,196 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 127 [2020-08-22 16:50:41,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:50:41,204 INFO L225 Difference]: With dead ends: 1384 [2020-08-22 16:50:41,204 INFO L226 Difference]: Without dead ends: 915 [2020-08-22 16:50:41,207 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-22 16:50:41,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 915 states. [2020-08-22 16:50:41,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 915 to 914. [2020-08-22 16:50:41,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 914 states. [2020-08-22 16:50:41,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 914 states and 1277 transitions. [2020-08-22 16:50:41,288 INFO L78 Accepts]: Start accepts. Automaton has 914 states and 1277 transitions. Word has length 127 [2020-08-22 16:50:41,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:50:41,289 INFO L479 AbstractCegarLoop]: Abstraction has 914 states and 1277 transitions. [2020-08-22 16:50:41,289 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-22 16:50:41,289 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 1277 transitions. [2020-08-22 16:50:41,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-08-22 16:50:41,302 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:50:41,302 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:50:41,509 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-08-22 16:50:41,511 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:50:41,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:50:41,512 INFO L82 PathProgramCache]: Analyzing trace with hash -235575534, now seen corresponding path program 1 times [2020-08-22 16:50:41,513 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:50:41,513 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102623408] [2020-08-22 16:50:41,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:50:41,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:50:41,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:50:41,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:50:41,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:50:41,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:50:41,659 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:50:41,660 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102623408] [2020-08-22 16:50:41,660 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:50:41,660 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-22 16:50:41,661 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221962865] [2020-08-22 16:50:41,661 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 16:50:41,662 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:50:41,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 16:50:41,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-22 16:50:41,663 INFO L87 Difference]: Start difference. First operand 914 states and 1277 transitions. Second operand 8 states. [2020-08-22 16:50:44,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:50:44,008 INFO L93 Difference]: Finished difference Result 2752 states and 4020 transitions. [2020-08-22 16:50:44,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-22 16:50:44,008 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 129 [2020-08-22 16:50:44,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:50:44,021 INFO L225 Difference]: With dead ends: 2752 [2020-08-22 16:50:44,021 INFO L226 Difference]: Without dead ends: 1844 [2020-08-22 16:50:44,024 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-08-22 16:50:44,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1844 states. [2020-08-22 16:50:44,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1844 to 1826. [2020-08-22 16:50:44,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1826 states. [2020-08-22 16:50:44,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1826 states to 1826 states and 2386 transitions. [2020-08-22 16:50:44,092 INFO L78 Accepts]: Start accepts. Automaton has 1826 states and 2386 transitions. Word has length 129 [2020-08-22 16:50:44,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:50:44,093 INFO L479 AbstractCegarLoop]: Abstraction has 1826 states and 2386 transitions. [2020-08-22 16:50:44,093 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 16:50:44,093 INFO L276 IsEmpty]: Start isEmpty. Operand 1826 states and 2386 transitions. [2020-08-22 16:50:44,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-08-22 16:50:44,101 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:50:44,101 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:50:44,101 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 16:50:44,102 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:50:44,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:50:44,102 INFO L82 PathProgramCache]: Analyzing trace with hash -1833832037, now seen corresponding path program 1 times [2020-08-22 16:50:44,102 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:50:44,103 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155020818] [2020-08-22 16:50:44,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:50:44,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:50:44,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:50:44,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:50:44,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:50:44,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:50:44,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-08-22 16:50:44,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:50:44,252 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 35 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-22 16:50:44,252 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155020818] [2020-08-22 16:50:44,252 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [216227442] [2020-08-22 16:50:44,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -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 [2020-08-22 16:50:44,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:50:44,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 4 conjunts are in the unsatisfiable core [2020-08-22 16:50:44,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:50:44,427 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 36 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:50:44,428 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-08-22 16:50:44,428 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-08-22 16:50:44,428 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501278067] [2020-08-22 16:50:44,429 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 16:50:44,429 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:50:44,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 16:50:44,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-08-22 16:50:44,430 INFO L87 Difference]: Start difference. First operand 1826 states and 2386 transitions. Second operand 10 states. [2020-08-22 16:50:47,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:50:47,756 INFO L93 Difference]: Finished difference Result 5715 states and 8458 transitions. [2020-08-22 16:50:47,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-08-22 16:50:47,757 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 152 [2020-08-22 16:50:47,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:50:47,789 INFO L225 Difference]: With dead ends: 5715 [2020-08-22 16:50:47,789 INFO L226 Difference]: Without dead ends: 3895 [2020-08-22 16:50:47,799 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 273 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=227, Invalid=895, Unknown=0, NotChecked=0, Total=1122 [2020-08-22 16:50:47,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3895 states. [2020-08-22 16:50:47,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3895 to 3763. [2020-08-22 16:50:47,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3763 states. [2020-08-22 16:50:47,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3763 states to 3763 states and 4777 transitions. [2020-08-22 16:50:47,983 INFO L78 Accepts]: Start accepts. Automaton has 3763 states and 4777 transitions. Word has length 152 [2020-08-22 16:50:47,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:50:47,984 INFO L479 AbstractCegarLoop]: Abstraction has 3763 states and 4777 transitions. [2020-08-22 16:50:47,986 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 16:50:47,986 INFO L276 IsEmpty]: Start isEmpty. Operand 3763 states and 4777 transitions. [2020-08-22 16:50:47,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-08-22 16:50:47,997 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:50:47,998 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:50:48,210 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:50:48,211 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:50:48,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:50:48,211 INFO L82 PathProgramCache]: Analyzing trace with hash -1142184873, now seen corresponding path program 1 times [2020-08-22 16:50:48,212 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:50:48,212 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037573537] [2020-08-22 16:50:48,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:50:48,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:50:48,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:50:48,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:50:48,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:50:48,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:50:48,415 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:50:48,415 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037573537] [2020-08-22 16:50:48,416 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 16:50:48,416 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-22 16:50:48,416 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487612700] [2020-08-22 16:50:48,417 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 16:50:48,418 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:50:48,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 16:50:48,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-22 16:50:48,419 INFO L87 Difference]: Start difference. First operand 3763 states and 4777 transitions. Second operand 8 states. [2020-08-22 16:50:49,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:50:49,398 INFO L93 Difference]: Finished difference Result 7135 states and 9472 transitions. [2020-08-22 16:50:49,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-22 16:50:49,399 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 156 [2020-08-22 16:50:49,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:50:49,420 INFO L225 Difference]: With dead ends: 7135 [2020-08-22 16:50:49,420 INFO L226 Difference]: Without dead ends: 3378 [2020-08-22 16:50:49,431 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-08-22 16:50:49,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3378 states. [2020-08-22 16:50:49,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3378 to 3154. [2020-08-22 16:50:49,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3154 states. [2020-08-22 16:50:49,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3154 states to 3154 states and 3895 transitions. [2020-08-22 16:50:49,552 INFO L78 Accepts]: Start accepts. Automaton has 3154 states and 3895 transitions. Word has length 156 [2020-08-22 16:50:49,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:50:49,553 INFO L479 AbstractCegarLoop]: Abstraction has 3154 states and 3895 transitions. [2020-08-22 16:50:49,553 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 16:50:49,553 INFO L276 IsEmpty]: Start isEmpty. Operand 3154 states and 3895 transitions. [2020-08-22 16:50:49,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-08-22 16:50:49,562 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 16:50:49,563 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 16:50:49,563 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 16:50:49,567 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 16:50:49,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 16:50:49,568 INFO L82 PathProgramCache]: Analyzing trace with hash 924471967, now seen corresponding path program 1 times [2020-08-22 16:50:49,569 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-08-22 16:50:49,569 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499075550] [2020-08-22 16:50:49,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 16:50:49,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:50:49,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 16:50:49,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:50:49,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 16:50:49,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:50:49,834 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 50 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 16:50:49,834 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499075550] [2020-08-22 16:50:49,834 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1101366608] [2020-08-22 16:50:49,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -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 [2020-08-22 16:50:49,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 16:50:49,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 8 conjunts are in the unsatisfiable core [2020-08-22 16:50:49,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-08-22 16:50:50,072 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-22 16:50:50,073 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-08-22 16:50:50,073 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4] total 9 [2020-08-22 16:50:50,074 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209533640] [2020-08-22 16:50:50,135 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 16:50:50,135 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-08-22 16:50:50,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 16:50:50,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-08-22 16:50:50,136 INFO L87 Difference]: Start difference. First operand 3154 states and 3895 transitions. Second operand 9 states. [2020-08-22 16:50:52,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 16:50:52,944 INFO L93 Difference]: Finished difference Result 8691 states and 10697 transitions. [2020-08-22 16:50:52,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-22 16:50:52,945 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 176 [2020-08-22 16:50:52,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 16:50:52,948 INFO L225 Difference]: With dead ends: 8691 [2020-08-22 16:50:52,948 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 16:50:52,965 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=120, Invalid=260, Unknown=0, NotChecked=0, Total=380 [2020-08-22 16:50:52,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 16:50:52,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 16:50:52,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 16:50:52,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 16:50:52,967 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 176 [2020-08-22 16:50:52,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 16:50:52,967 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 16:50:52,967 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 16:50:52,967 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 16:50:52,967 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 16:50:53,183 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-08-22 16:50:53,187 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 16:50:53,621 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 145 [2020-08-22 16:50:53,782 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 145 [2020-08-22 16:50:54,438 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 39 [2020-08-22 16:50:54,714 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 37 [2020-08-22 16:50:54,972 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 37 [2020-08-22 16:50:54,976 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-22 16:50:54,976 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~z~0 |old(~z~0)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|)) [2020-08-22 16:50:54,976 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-22 16:50:54,977 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:50:54,977 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:50:54,977 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:50:54,977 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:50:54,977 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:50:54,977 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-08-22 16:50:54,977 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-08-22 16:50:54,978 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-08-22 16:50:54,978 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-08-22 16:50:54,978 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-08-22 16:50:54,978 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-08-22 16:50:54,978 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-08-22 16:50:54,978 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-08-22 16:50:54,978 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-08-22 16:50:54,978 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-08-22 16:50:54,979 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-08-22 16:50:54,979 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-08-22 16:50:54,979 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-08-22 16:50:54,979 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:50:54,979 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:50:54,979 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:50:54,979 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:50:54,980 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-08-22 16:50:54,980 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:50:54,980 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-08-22 16:50:54,980 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-08-22 16:50:54,980 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-08-22 16:50:54,980 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-08-22 16:50:54,980 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-08-22 16:50:54,980 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-08-22 16:50:54,981 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-08-22 16:50:54,981 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-08-22 16:50:54,981 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-08-22 16:50:54,981 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-08-22 16:50:54,981 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-08-22 16:50:54,981 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-08-22 16:50:54,981 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-08-22 16:50:54,982 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-08-22 16:50:54,982 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-08-22 16:50:54,982 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:50:54,982 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:50:54,982 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:50:54,982 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:50:54,982 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:50:54,983 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 511) no Hoare annotation was computed. [2020-08-22 16:50:54,983 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-08-22 16:50:54,983 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-08-22 16:50:54,983 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-08-22 16:50:54,983 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-08-22 16:50:54,983 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-08-22 16:50:54,983 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-08-22 16:50:54,984 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-08-22 16:50:54,984 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-08-22 16:50:54,984 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-08-22 16:50:54,984 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-08-22 16:50:54,984 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-08-22 16:50:54,984 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:50:54,984 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:50:54,984 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:50:54,985 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:50:54,985 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:50:54,985 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-08-22 16:50:54,985 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-08-22 16:50:54,985 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-08-22 16:50:54,985 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-08-22 16:50:54,985 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-08-22 16:50:54,985 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-08-22 16:50:54,986 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-08-22 16:50:54,986 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-08-22 16:50:54,986 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-08-22 16:50:54,986 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-08-22 16:50:54,986 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-08-22 16:50:54,986 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-08-22 16:50:54,986 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-08-22 16:50:54,986 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:50:54,987 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:50:54,987 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:50:54,987 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:50:54,987 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:50:54,987 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-08-22 16:50:54,987 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-08-22 16:50:54,987 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-08-22 16:50:54,988 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-08-22 16:50:54,988 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-08-22 16:50:54,988 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-08-22 16:50:54,988 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-08-22 16:50:54,988 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-08-22 16:50:54,988 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-08-22 16:50:54,988 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-08-22 16:50:54,988 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-08-22 16:50:54,989 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-08-22 16:50:54,989 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-08-22 16:50:54,989 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-08-22 16:50:54,989 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-08-22 16:50:54,989 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-08-22 16:50:54,989 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:50:54,989 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:50:54,990 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:50:54,990 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:50:54,990 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-08-22 16:50:54,990 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:50:54,990 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-08-22 16:50:54,990 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:50:54,990 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-08-22 16:50:54,991 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-08-22 16:50:54,991 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-08-22 16:50:54,991 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:50:54,991 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:50:54,991 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-08-22 16:50:54,991 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-08-22 16:50:54,991 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-08-22 16:50:54,991 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-08-22 16:50:54,992 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-08-22 16:50:54,992 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-08-22 16:50:54,992 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-08-22 16:50:54,992 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-08-22 16:50:54,992 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-08-22 16:50:54,992 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-08-22 16:50:54,992 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-08-22 16:50:54,993 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:50:54,993 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:50:54,993 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:50:54,993 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:50:54,993 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:50:54,993 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:50:54,993 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-08-22 16:50:54,993 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-08-22 16:50:54,994 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-08-22 16:50:54,994 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-08-22 16:50:54,994 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-08-22 16:50:54,994 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-08-22 16:50:54,994 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-08-22 16:50:54,994 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-08-22 16:50:54,994 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-08-22 16:50:54,994 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-08-22 16:50:54,995 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-08-22 16:50:54,995 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:50:54,995 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:50:54,995 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:50:54,995 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:50:54,995 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:50:54,995 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:50:54,996 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-08-22 16:50:54,996 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-08-22 16:50:54,996 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-08-22 16:50:54,996 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-08-22 16:50:54,996 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-08-22 16:50:54,996 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-08-22 16:50:54,996 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-08-22 16:50:54,996 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-08-22 16:50:54,997 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-08-22 16:50:54,997 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-08-22 16:50:54,997 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-08-22 16:50:54,997 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-08-22 16:50:54,997 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-08-22 16:50:54,997 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-08-22 16:50:54,997 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:50:54,997 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:50:54,998 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:50:54,998 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse6 (= ~a28~0 |old(~a28~0)|)) (.cse7 (= ~a11~0 |old(~a11~0)|)) (.cse8 (= ~a25~0 |old(~a25~0)|)) (.cse9 (= ~a19~0 |old(~a19~0)|))) (let ((.cse0 (not (= |old(~a19~0)| 1))) (.cse4 (not (<= |old(~a17~0)| 8))) (.cse5 (and .cse6 (= ~a17~0 |old(~a17~0)|) .cse7 .cse8 .cse9)) (.cse3 (not (<= |old(~a28~0)| 7))) (.cse1 (and .cse6 .cse7 .cse8 (= ~a17~0 8) .cse9)) (.cse2 (not (= 8 |old(~a17~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse1 (= |old(~a25~0)| 1) .cse2) (or .cse3 .cse4 .cse0 .cse5) (or .cse4 .cse5 (not (<= 9 |old(~a28~0)|))) (or .cse3 .cse1 .cse2)))) [2020-08-22 16:50:54,998 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:50:54,998 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:50:54,998 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:50:54,998 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-08-22 16:50:54,999 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-08-22 16:50:54,999 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-08-22 16:50:54,999 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-08-22 16:50:54,999 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-08-22 16:50:54,999 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-08-22 16:50:54,999 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-08-22 16:50:54,999 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-08-22 16:50:54,999 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-08-22 16:50:55,000 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-08-22 16:50:55,000 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-08-22 16:50:55,000 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-08-22 16:50:55,000 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-08-22 16:50:55,000 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:50:55,000 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:50:55,000 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:50:55,000 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:50:55,001 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:50:55,001 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:50:55,001 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-08-22 16:50:55,001 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-08-22 16:50:55,001 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-08-22 16:50:55,001 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-08-22 16:50:55,001 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-08-22 16:50:55,001 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-08-22 16:50:55,002 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-08-22 16:50:55,002 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-08-22 16:50:55,002 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-08-22 16:50:55,002 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-08-22 16:50:55,002 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-08-22 16:50:55,002 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-08-22 16:50:55,002 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-08-22 16:50:55,002 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-08-22 16:50:55,002 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-08-22 16:50:55,003 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-08-22 16:50:55,003 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:50:55,003 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:50:55,003 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:50:55,003 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:50:55,003 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-08-22 16:50:55,003 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-08-22 16:50:55,003 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-08-22 16:50:55,004 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-08-22 16:50:55,004 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-08-22 16:50:55,004 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-08-22 16:50:55,004 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-08-22 16:50:55,004 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-08-22 16:50:55,004 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-08-22 16:50:55,004 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-08-22 16:50:55,004 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-08-22 16:50:55,005 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-08-22 16:50:55,005 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-08-22 16:50:55,005 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-08-22 16:50:55,005 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-08-22 16:50:55,005 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-08-22 16:50:55,005 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-08-22 16:50:55,005 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-08-22 16:50:55,006 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-08-22 16:50:55,006 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-08-22 16:50:55,006 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-22 16:50:55,006 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a11~0 0) (= ~a19~0 1) (= ~a17~0 8) (<= ~a28~0 7) (<= ~a25~0 0)) [2020-08-22 16:50:55,006 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 16:50:55,006 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-22 16:50:55,007 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (not (= |old(~a19~0)| 1)) (and (= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a17~0 8) (= ~a19~0 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (<= |old(~a25~0)| 0)) (not (<= |old(~a11~0)| 0))) [2020-08-22 16:50:55,007 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse2 (<= ~a17~0 8)) (.cse1 (<= ~a28~0 7)) (.cse0 (= ~a19~0 1)) (.cse3 (= ~a17~0 8))) (or (and .cse0 .cse1 .cse2) (and (<= 9 ~a28~0) .cse2) (not (<= |old(~a28~0)| 7)) (and .cse3 (not (= ~a25~0 1))) (not (= |old(~a19~0)| 1)) (not (= 8 |old(~a17~0)|)) (and .cse3 .cse1) (not (<= |old(~a25~0)| 0)) (not (<= |old(~a11~0)| 0)) (and .cse0 .cse3))) [2020-08-22 16:50:55,007 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-08-22 16:50:55,007 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-08-22 16:50:55,007 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse2 (<= ~a17~0 8)) (.cse1 (<= ~a28~0 7)) (.cse0 (= ~a19~0 1)) (.cse3 (= ~a17~0 8))) (or (and .cse0 .cse1 .cse2) (and (<= 9 ~a28~0) .cse2) (not (<= |old(~a28~0)| 7)) (and .cse3 (not (= ~a25~0 1))) (not (= |old(~a19~0)| 1)) (not (= 8 |old(~a17~0)|)) (and .cse3 .cse1) (not (<= |old(~a25~0)| 0)) (not (<= |old(~a11~0)| 0)) (and .cse0 .cse3))) [2020-08-22 16:50:55,007 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-08-22 16:50:55,008 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-08-22 16:50:55,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 04:50:55 BoogieIcfgContainer [2020-08-22 16:50:55,029 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 16:50:55,031 INFO L168 Benchmark]: Toolchain (without parser) took 20588.86 ms. Allocated memory was 138.4 MB in the beginning and 489.2 MB in the end (delta: 350.7 MB). Free memory was 99.6 MB in the beginning and 267.3 MB in the end (delta: -167.7 MB). Peak memory consumption was 327.6 MB. Max. memory is 7.1 GB. [2020-08-22 16:50:55,032 INFO L168 Benchmark]: CDTParser took 1.33 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-08-22 16:50:55,033 INFO L168 Benchmark]: CACSL2BoogieTranslator took 753.39 ms. Allocated memory was 138.4 MB in the beginning and 206.6 MB in the end (delta: 68.2 MB). Free memory was 99.4 MB in the beginning and 173.1 MB in the end (delta: -73.7 MB). Peak memory consumption was 32.4 MB. Max. memory is 7.1 GB. [2020-08-22 16:50:55,034 INFO L168 Benchmark]: Boogie Preprocessor took 137.02 ms. Allocated memory is still 206.6 MB. Free memory was 173.1 MB in the beginning and 168.1 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-08-22 16:50:55,034 INFO L168 Benchmark]: RCFGBuilder took 1323.39 ms. Allocated memory was 206.6 MB in the beginning and 237.5 MB in the end (delta: 30.9 MB). Free memory was 168.1 MB in the beginning and 182.9 MB in the end (delta: -14.8 MB). Peak memory consumption was 85.0 MB. Max. memory is 7.1 GB. [2020-08-22 16:50:55,035 INFO L168 Benchmark]: TraceAbstraction took 18369.15 ms. Allocated memory was 237.5 MB in the beginning and 489.2 MB in the end (delta: 251.7 MB). Free memory was 182.9 MB in the beginning and 267.3 MB in the end (delta: -84.4 MB). Peak memory consumption was 311.7 MB. Max. memory is 7.1 GB. [2020-08-22 16:50:55,039 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.33 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 753.39 ms. Allocated memory was 138.4 MB in the beginning and 206.6 MB in the end (delta: 68.2 MB). Free memory was 99.4 MB in the beginning and 173.1 MB in the end (delta: -73.7 MB). Peak memory consumption was 32.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 137.02 ms. Allocated memory is still 206.6 MB. Free memory was 173.1 MB in the beginning and 168.1 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1323.39 ms. Allocated memory was 206.6 MB in the beginning and 237.5 MB in the end (delta: 30.9 MB). Free memory was 168.1 MB in the beginning and 182.9 MB in the end (delta: -14.8 MB). Peak memory consumption was 85.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 18369.15 ms. Allocated memory was 237.5 MB in the beginning and 489.2 MB in the end (delta: 251.7 MB). Free memory was 182.9 MB in the beginning and 267.3 MB in the end (delta: -84.4 MB). Peak memory consumption was 311.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 511]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((((a19 == 1 && a28 <= 7) && a17 <= 8) || (9 <= a28 && a17 <= 8)) || !(\old(a28) <= 7)) || (a17 == 8 && !(a25 == 1))) || !(\old(a19) == 1)) || !(8 == \old(a17))) || (a17 == 8 && a28 <= 7)) || !(\old(a25) <= 0)) || !(\old(a11) <= 0)) || (a19 == 1 && a17 == 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 16.4s, OverallIterations: 6, TraceHistogramMax: 3, AutomataDifference: 12.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 465 SDtfs, 5432 SDslu, 430 SDs, 0 SdLazy, 6110 SolverSat, 1959 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 568 GetRequests, 485 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 373 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3763occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 6 MinimizatonAttempts, 394 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 111 PreInvPairs, 187 NumberOfFragments, 355 HoareAnnotationTreeSize, 111 FomulaSimplifications, 15896 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 5517 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1314 NumberOfCodeBlocks, 1314 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1305 ConstructedInterpolants, 0 QuantifiedInterpolants, 519567 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1118 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 9 InterpolantComputations, 4 PerfectInterpolantSequences, 175/235 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...