/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label16.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 17:26:30,195 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 17:26:30,198 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 17:26:30,213 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 17:26:30,213 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 17:26:30,214 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 17:26:30,216 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 17:26:30,218 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 17:26:30,219 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 17:26:30,220 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 17:26:30,221 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 17:26:30,223 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 17:26:30,223 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 17:26:30,224 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 17:26:30,225 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 17:26:30,226 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 17:26:30,227 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 17:26:30,228 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 17:26:30,230 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 17:26:30,232 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 17:26:30,233 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 17:26:30,234 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 17:26:30,236 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 17:26:30,237 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 17:26:30,239 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-20 17:26:30,248 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 17:26:30,249 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 17:26:30,249 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 17:26:30,250 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 17:26:30,266 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 17:26:30,266 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 17:26:30,267 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 17:26:30,267 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 17:26:30,268 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 17:26:30,268 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 17:26:30,268 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 17:26:30,268 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 17:26:30,269 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 17:26:30,269 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 17:26:30,269 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 17:26:30,269 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 17:26:30,269 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 17:26:30,270 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 17:26:30,270 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 17:26:30,270 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 17:26:30,270 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 17:26:30,270 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 17:26:30,271 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 17:26:30,271 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 17:26:30,271 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 17:26:30,272 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 17:26:30,272 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 17:26:30,272 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 17:26:30,272 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 17:26:30,272 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 17:26:30,273 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:26:30,273 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 17:26:30,273 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 17:26:30,273 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-20 17:26:30,598 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 17:26:30,612 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 17:26:30,615 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 17:26:30,617 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 17:26:30,617 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 17:26:30,618 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label16.c [2020-07-20 17:26:30,710 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88b2cac2b/8d892ada8b824161b00104c1a7ec227d/FLAGad863d95e [2020-07-20 17:26:31,353 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 17:26:31,353 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label16.c [2020-07-20 17:26:31,372 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88b2cac2b/8d892ada8b824161b00104c1a7ec227d/FLAGad863d95e [2020-07-20 17:26:31,582 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88b2cac2b/8d892ada8b824161b00104c1a7ec227d [2020-07-20 17:26:31,594 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 17:26:31,597 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 17:26:31,602 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 17:26:31,602 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 17:26:31,606 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 17:26:31,607 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:26:31" (1/1) ... [2020-07-20 17:26:31,610 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fefe254 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:26:31, skipping insertion in model container [2020-07-20 17:26:31,610 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:26:31" (1/1) ... [2020-07-20 17:26:31,618 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 17:26:31,680 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 17:26:32,179 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 17:26:32,185 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 17:26:32,307 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 17:26:32,325 INFO L208 MainTranslator]: Completed translation [2020-07-20 17:26:32,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:26:32 WrapperNode [2020-07-20 17:26:32,326 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 17:26:32,327 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 17:26:32,327 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 17:26:32,328 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 17:26:32,344 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:26:32" (1/1) ... [2020-07-20 17:26:32,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:26:32" (1/1) ... [2020-07-20 17:26:32,361 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:26:32" (1/1) ... [2020-07-20 17:26:32,362 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:26:32" (1/1) ... [2020-07-20 17:26:32,403 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:26:32" (1/1) ... [2020-07-20 17:26:32,414 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:26:32" (1/1) ... [2020-07-20 17:26:32,418 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:26:32" (1/1) ... [2020-07-20 17:26:32,425 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 17:26:32,426 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 17:26:32,426 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 17:26:32,426 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 17:26:32,427 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:26:32" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 17:26:32,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 17:26:32,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 17:26:32,504 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-20 17:26:32,504 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 17:26:32,505 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-20 17:26:32,505 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 17:26:32,505 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 17:26:32,505 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-20 17:26:32,505 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 17:26:32,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 17:26:32,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 17:26:33,706 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 17:26:33,707 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-20 17:26:33,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 05:26:33 BoogieIcfgContainer [2020-07-20 17:26:33,717 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 17:26:33,719 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 17:26:33,719 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 17:26:33,722 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 17:26:33,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 05:26:31" (1/3) ... [2020-07-20 17:26:33,723 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6beabb5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 05:26:33, skipping insertion in model container [2020-07-20 17:26:33,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:26:32" (2/3) ... [2020-07-20 17:26:33,724 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6beabb5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 05:26:33, skipping insertion in model container [2020-07-20 17:26:33,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 05:26:33" (3/3) ... [2020-07-20 17:26:33,727 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label16.c [2020-07-20 17:26:33,738 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 17:26:33,752 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 17:26:33,766 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 17:26:33,806 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 17:26:33,807 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 17:26:33,807 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 17:26:33,807 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 17:26:33,807 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 17:26:33,808 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 17:26:33,808 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 17:26:33,808 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 17:26:33,829 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-07-20 17:26:33,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-20 17:26:33,840 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:26:33,841 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] [2020-07-20 17:26:33,842 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:26:33,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:26:33,848 INFO L82 PathProgramCache]: Analyzing trace with hash 749761985, now seen corresponding path program 1 times [2020-07-20 17:26:33,858 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:26:33,858 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2032276391] [2020-07-20 17:26:33,859 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:26:34,031 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:26:34,031 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:26:34,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 17:26:34,044 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:26:34,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:26:34,127 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:26:34,129 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2032276391] [2020-07-20 17:26:34,130 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:26:34,130 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 17:26:34,131 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809696184] [2020-07-20 17:26:34,136 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 17:26:34,137 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:26:34,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 17:26:34,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:26:34,154 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2020-07-20 17:26:35,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:26:35,158 INFO L93 Difference]: Finished difference Result 615 states and 1053 transitions. [2020-07-20 17:26:35,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 17:26:35,160 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2020-07-20 17:26:35,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:26:35,178 INFO L225 Difference]: With dead ends: 615 [2020-07-20 17:26:35,178 INFO L226 Difference]: Without dead ends: 317 [2020-07-20 17:26:35,185 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:26:35,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2020-07-20 17:26:35,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317. [2020-07-20 17:26:35,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2020-07-20 17:26:35,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 478 transitions. [2020-07-20 17:26:35,259 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 478 transitions. Word has length 93 [2020-07-20 17:26:35,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:26:35,260 INFO L479 AbstractCegarLoop]: Abstraction has 317 states and 478 transitions. [2020-07-20 17:26:35,260 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 17:26:35,260 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 478 transitions. [2020-07-20 17:26:35,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-07-20 17:26:35,266 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:26:35,267 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-20 17:26:35,481 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:26:35,482 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:26:35,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:26:35,483 INFO L82 PathProgramCache]: Analyzing trace with hash 1069026620, now seen corresponding path program 1 times [2020-07-20 17:26:35,484 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:26:35,484 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1760015784] [2020-07-20 17:26:35,485 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:26:35,592 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:26:35,593 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:26:35,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 17:26:35,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:26:35,636 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:26:35,636 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:26:35,637 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1760015784] [2020-07-20 17:26:35,637 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:26:35,637 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 17:26:35,638 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950320784] [2020-07-20 17:26:35,640 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 17:26:35,640 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:26:35,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 17:26:35,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:26:35,641 INFO L87 Difference]: Start difference. First operand 317 states and 478 transitions. Second operand 3 states. [2020-07-20 17:26:36,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:26:36,306 INFO L93 Difference]: Finished difference Result 919 states and 1406 transitions. [2020-07-20 17:26:36,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 17:26:36,307 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 108 [2020-07-20 17:26:36,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:26:36,318 INFO L225 Difference]: With dead ends: 919 [2020-07-20 17:26:36,318 INFO L226 Difference]: Without dead ends: 608 [2020-07-20 17:26:36,320 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 17:26:36,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2020-07-20 17:26:36,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 462. [2020-07-20 17:26:36,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 462 states. [2020-07-20 17:26:36,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 642 transitions. [2020-07-20 17:26:36,366 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 642 transitions. Word has length 108 [2020-07-20 17:26:36,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:26:36,367 INFO L479 AbstractCegarLoop]: Abstraction has 462 states and 642 transitions. [2020-07-20 17:26:36,367 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 17:26:36,367 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 642 transitions. [2020-07-20 17:26:36,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-07-20 17:26:36,373 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:26:36,374 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-20 17:26:36,574 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:26:36,575 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:26:36,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:26:36,576 INFO L82 PathProgramCache]: Analyzing trace with hash 1643291049, now seen corresponding path program 1 times [2020-07-20 17:26:36,577 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:26:36,577 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1347655760] [2020-07-20 17:26:36,578 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:26:36,678 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:26:36,678 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:26:36,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 17:26:36,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:26:36,751 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:26:36,752 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:26:36,752 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1347655760] [2020-07-20 17:26:36,752 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:26:36,753 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 17:26:36,753 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312329518] [2020-07-20 17:26:36,754 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 17:26:36,754 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:26:36,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 17:26:36,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 17:26:36,755 INFO L87 Difference]: Start difference. First operand 462 states and 642 transitions. Second operand 5 states. [2020-07-20 17:26:37,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:26:37,695 INFO L93 Difference]: Finished difference Result 1238 states and 1801 transitions. [2020-07-20 17:26:37,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 17:26:37,698 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 115 [2020-07-20 17:26:37,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:26:37,703 INFO L225 Difference]: With dead ends: 1238 [2020-07-20 17:26:37,703 INFO L226 Difference]: Without dead ends: 782 [2020-07-20 17:26:37,705 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-07-20 17:26:37,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 782 states. [2020-07-20 17:26:37,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 782 to 768. [2020-07-20 17:26:37,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 768 states. [2020-07-20 17:26:37,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 768 states and 1001 transitions. [2020-07-20 17:26:37,744 INFO L78 Accepts]: Start accepts. Automaton has 768 states and 1001 transitions. Word has length 115 [2020-07-20 17:26:37,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:26:37,745 INFO L479 AbstractCegarLoop]: Abstraction has 768 states and 1001 transitions. [2020-07-20 17:26:37,745 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 17:26:37,745 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 1001 transitions. [2020-07-20 17:26:37,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-07-20 17:26:37,752 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:26:37,752 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 17:26:37,966 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:26:37,967 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:26:37,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:26:37,968 INFO L82 PathProgramCache]: Analyzing trace with hash 627618072, now seen corresponding path program 1 times [2020-07-20 17:26:37,969 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:26:37,970 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2041475089] [2020-07-20 17:26:37,970 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:26:38,085 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:26:38,086 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:26:38,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 17:26:38,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:26:38,159 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:26:38,159 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 17:26:38,243 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:26:38,244 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2041475089] [2020-07-20 17:26:38,244 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 17:26:38,244 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-07-20 17:26:38,244 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828480198] [2020-07-20 17:26:38,245 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 17:26:38,245 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:26:38,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 17:26:38,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 17:26:38,246 INFO L87 Difference]: Start difference. First operand 768 states and 1001 transitions. Second operand 6 states. [2020-07-20 17:26:39,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:26:39,103 INFO L93 Difference]: Finished difference Result 1544 states and 2025 transitions. [2020-07-20 17:26:39,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 17:26:39,104 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 124 [2020-07-20 17:26:39,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:26:39,109 INFO L225 Difference]: With dead ends: 1544 [2020-07-20 17:26:39,109 INFO L226 Difference]: Without dead ends: 782 [2020-07-20 17:26:39,112 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 242 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-07-20 17:26:39,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 782 states. [2020-07-20 17:26:39,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 782 to 770. [2020-07-20 17:26:39,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 770 states. [2020-07-20 17:26:39,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 770 states and 977 transitions. [2020-07-20 17:26:39,137 INFO L78 Accepts]: Start accepts. Automaton has 770 states and 977 transitions. Word has length 124 [2020-07-20 17:26:39,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:26:39,138 INFO L479 AbstractCegarLoop]: Abstraction has 770 states and 977 transitions. [2020-07-20 17:26:39,138 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 17:26:39,138 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 977 transitions. [2020-07-20 17:26:39,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-07-20 17:26:39,141 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:26:39,141 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-07-20 17:26:39,353 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:26:39,354 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:26:39,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:26:39,355 INFO L82 PathProgramCache]: Analyzing trace with hash 1737078688, now seen corresponding path program 1 times [2020-07-20 17:26:39,355 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:26:39,356 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1503236589] [2020-07-20 17:26:39,356 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:26:39,471 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:26:39,471 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2020-07-20 17:26:39,472 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-20 17:26:39,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-20 17:26:39,509 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-20 17:26:39,664 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-20 17:26:39,664 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-20 17:26:39,879 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:26:40,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 05:26:40 BoogieIcfgContainer [2020-07-20 17:26:40,025 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 17:26:40,030 INFO L168 Benchmark]: Toolchain (without parser) took 8431.51 ms. Allocated memory was 144.7 MB in the beginning and 329.3 MB in the end (delta: 184.5 MB). Free memory was 100.3 MB in the beginning and 243.5 MB in the end (delta: -143.1 MB). Peak memory consumption was 41.4 MB. Max. memory is 7.1 GB. [2020-07-20 17:26:40,031 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 144.7 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-20 17:26:40,038 INFO L168 Benchmark]: CACSL2BoogieTranslator took 724.77 ms. Allocated memory was 144.7 MB in the beginning and 203.9 MB in the end (delta: 59.2 MB). Free memory was 99.9 MB in the beginning and 169.5 MB in the end (delta: -69.5 MB). Peak memory consumption was 31.0 MB. Max. memory is 7.1 GB. [2020-07-20 17:26:40,039 INFO L168 Benchmark]: Boogie Preprocessor took 98.32 ms. Allocated memory is still 203.9 MB. Free memory was 169.5 MB in the beginning and 164.6 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-07-20 17:26:40,041 INFO L168 Benchmark]: RCFGBuilder took 1291.59 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 164.6 MB in the beginning and 179.7 MB in the end (delta: -15.1 MB). Peak memory consumption was 82.5 MB. Max. memory is 7.1 GB. [2020-07-20 17:26:40,042 INFO L168 Benchmark]: TraceAbstraction took 6306.37 ms. Allocated memory was 236.5 MB in the beginning and 329.3 MB in the end (delta: 92.8 MB). Free memory was 179.7 MB in the beginning and 243.5 MB in the end (delta: -63.7 MB). Peak memory consumption was 29.1 MB. Max. memory is 7.1 GB. [2020-07-20 17:26:40,055 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 144.7 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 724.77 ms. Allocated memory was 144.7 MB in the beginning and 203.9 MB in the end (delta: 59.2 MB). Free memory was 99.9 MB in the beginning and 169.5 MB in the end (delta: -69.5 MB). Peak memory consumption was 31.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 98.32 ms. Allocated memory is still 203.9 MB. Free memory was 169.5 MB in the beginning and 164.6 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1291.59 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 164.6 MB in the beginning and 179.7 MB in the end (delta: -15.1 MB). Peak memory consumption was 82.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 6306.37 ms. Allocated memory was 236.5 MB in the beginning and 329.3 MB in the end (delta: 92.8 MB). Free memory was 179.7 MB in the beginning and 243.5 MB in the end (delta: -63.7 MB). Peak memory consumption was 29.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 433]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L7] int a= 1; [L8] int e= 5; [L9] int d= 4; [L10] int f= 6; [L11] int c= 3; [L14] int u = 21; [L15] int v = 22; [L16] int w = 23; [L17] int x = 24; [L18] int y = 25; [L19] int z = 26; [L22] int a25 = 0; [L23] int a11 = 0; [L24] int a28 = 7; [L25] int a19 = 1; [L26] int a21 = 1; [L27] int a17 = 8; VAL [\old(a)=15, \old(a11)=2, \old(a17)=9, \old(a19)=13, \old(a21)=12, \old(a25)=27, \old(a28)=28, \old(c)=30, \old(d)=19, \old(e)=32, \old(f)=29, \old(u)=16, \old(v)=20, \old(w)=14, \old(x)=17, \old(y)=31, \old(z)=18, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L603] int output = -1; VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, output=-1, u=21, v=22, w=23, x=24, y=25, z=26] [L606] COND TRUE 1 [L609] int input; [L610] input = __VERIFIER_nondet_int() [L611] COND FALSE !((input != 1) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=1, output=-1, u=21, v=22, w=23, x=24, y=25, z=26] [L614] CALL, EXPR calculate_output(input) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, \old(input)=1, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L30] COND FALSE !((((!(a11==1)&&((a19==1)&&((input==4)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))))&&(a21==1))&&(a17==8))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, \old(input)=1, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L35] COND FALSE !(((a17==8)&&((((!(a11==1)&&((a21==1)&&(input==6)))&&(a28==7))&&(a19==1))&&!(a25==1)))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, \old(input)=1, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L38] COND FALSE !(((a21==1)&&((a19==1)&&((((((a25==1)||!(a25==1))&&(input==3))&&(a17==9))&&(a11==1))&&(a28==9))))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, \old(input)=1, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L42] COND FALSE !(((a28==9)&&(!(a19==1)&&((a21==1)&&((((input==4)&&!(a25==1))&&!(a11==1))&&(a17==8)))))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, \old(input)=1, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L47] COND FALSE !(((((a17==8)&&((((input==1)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a19==1)))&&(a21==1))&&(a28==10))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, \old(input)=1, a=1, a11=0, a17=8, a19=1, a21=1, a25=0, a28=7, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L50] COND TRUE ((a19==1)&&(!(a25==1)&&((a21==1)&&((((input==1)&&(a17==8))&&!(a11==1))&&(a28==7))))) [L51] a28 = 11 [L52] a25 = 1 [L53] return 26; VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, \old(input)=1, \result=26, a=1, a11=0, a17=8, a19=1, a21=1, a25=1, a28=11, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L614] RET, EXPR calculate_output(input) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, a=1, a11=0, a17=8, a19=1, a21=1, a25=1, a28=11, c=3, calculate_output(input)=26, d=4, e=5, f=6, input=1, output=-1, u=21, v=22, w=23, x=24, y=25, z=26] [L614] output = calculate_output(input) [L606] COND TRUE 1 [L609] int input; [L610] input = __VERIFIER_nondet_int() [L611] COND FALSE !((input != 1) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, a=1, a11=0, a17=8, a19=1, a21=1, a25=1, a28=11, c=3, d=4, e=5, f=6, input=1, output=26, u=21, v=22, w=23, x=24, y=25, z=26] [L614] CALL, EXPR calculate_output(input) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=11, \old(input)=1, a=1, a11=0, a17=8, a19=1, a21=1, a25=1, a28=11, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L30] COND FALSE !((((!(a11==1)&&((a19==1)&&((input==4)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))))&&(a21==1))&&(a17==8))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=11, \old(input)=1, a=1, a11=0, a17=8, a19=1, a21=1, a25=1, a28=11, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L35] COND FALSE !(((a17==8)&&((((!(a11==1)&&((a21==1)&&(input==6)))&&(a28==7))&&(a19==1))&&!(a25==1)))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=11, \old(input)=1, a=1, a11=0, a17=8, a19=1, a21=1, a25=1, a28=11, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L38] COND FALSE !(((a21==1)&&((a19==1)&&((((((a25==1)||!(a25==1))&&(input==3))&&(a17==9))&&(a11==1))&&(a28==9))))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=11, \old(input)=1, a=1, a11=0, a17=8, a19=1, a21=1, a25=1, a28=11, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L42] COND FALSE !(((a28==9)&&(!(a19==1)&&((a21==1)&&((((input==4)&&!(a25==1))&&!(a11==1))&&(a17==8)))))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=11, \old(input)=1, a=1, a11=0, a17=8, a19=1, a21=1, a25=1, a28=11, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L47] COND FALSE !(((((a17==8)&&((((input==1)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a19==1)))&&(a21==1))&&(a28==10))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=11, \old(input)=1, a=1, a11=0, a17=8, a19=1, a21=1, a25=1, a28=11, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L50] COND FALSE !(((a19==1)&&(!(a25==1)&&((a21==1)&&((((input==1)&&(a17==8))&&!(a11==1))&&(a28==7)))))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=11, \old(input)=1, a=1, a11=0, a17=8, a19=1, a21=1, a25=1, a28=11, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L54] COND FALSE !(((((!(a19==1)&&((input==1)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))))&&(a21==1))&&(a17==8))&&!(a11==1))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=11, \old(input)=1, a=1, a11=0, a17=8, a19=1, a21=1, a25=1, a28=11, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L59] COND FALSE !(((a19==1)&&(((((input==1)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1)))))&&(a11==1))&&(a21==1))&&(a17==9)))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=11, \old(input)=1, a=1, a11=0, a17=8, a19=1, a21=1, a25=1, a28=11, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L65] COND FALSE !(((a19==1)&&(((a17==8)&&(((input==6)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))&&!(a11==1)))&&(a21==1)))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=11, \old(input)=1, a=1, a11=0, a17=8, a19=1, a21=1, a25=1, a28=11, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L69] COND FALSE !((!(a11==1)&&((((a21==1)&&((input==1)&&(((a28==8)&&!(a25==1))||((a25==1)&&(a28==9)))))&&!(a19==1))&&(a17==8)))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=11, \old(input)=1, a=1, a11=0, a17=8, a19=1, a21=1, a25=1, a28=11, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L74] COND FALSE !((!(a19==1)&&(((((a17==8)&&((a25==1)&&(input==3)))&&(a28==10))&&!(a11==1))&&(a21==1)))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=11, \old(input)=1, a=1, a11=0, a17=8, a19=1, a21=1, a25=1, a28=11, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L82] COND FALSE !((((!(a19==1)&&((a21==1)&&((((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1))))&&(input==4))))&&!(a11==1))&&(a17==8))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=11, \old(input)=1, a=1, a11=0, a17=8, a19=1, a21=1, a25=1, a28=11, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L91] COND FALSE !(((a17==8)&&((a21==1)&&((a25==1)&&((a19==1)&&(!(a11==1)&&((a28==11)&&(input==3)))))))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=11, \old(input)=1, a=1, a11=0, a17=8, a19=1, a21=1, a25=1, a28=11, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L95] COND FALSE !(((a28==9)&&(((!(a19==1)&&(((input==3)&&!(a11==1))&&(a17==8)))&&!(a25==1))&&(a21==1)))) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=11, \old(input)=1, a=1, a11=0, a17=8, a19=1, a21=1, a25=1, a28=11, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L99] COND TRUE ((!(a11==1)&&(((a28==11)&&((a25==1)&&((input==1)&&(a19==1))))&&(a17==8)))&&(a21==1)) [L100] a17 = 7 [L101] a25 = 0 [L102] a11 = 1 [L103] a28 = 10 [L104] a19 = 0 [L105] return -1; VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=1, \old(a28)=11, \old(input)=1, \result=-1, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=1, u=21, v=22, w=23, x=24, y=25, z=26] [L614] RET, EXPR calculate_output(input) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, calculate_output(input)=-1, d=4, e=5, f=6, input=1, output=26, u=21, v=22, w=23, x=24, y=25, z=26] [L614] output = calculate_output(input) [L606] COND TRUE 1 [L609] int input; [L610] input = __VERIFIER_nondet_int() [L611] COND FALSE !((input != 1) && (input != 3) && (input != 4) && (input != 5) && (input != 6)) VAL [\old(a11)=0, \old(a17)=8, \old(a19)=1, \old(a25)=0, \old(a28)=7, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, output=-1, u=21, v=22, w=23, x=24, y=25, z=26] [L614] CALL calculate_output(input) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, u=21, v=22, w=23, x=24, y=25, z=26] [L30] COND FALSE !((((!(a11==1)&&((a19==1)&&((input==4)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))))&&(a21==1))&&(a17==8))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L35] COND FALSE !(((a17==8)&&((((!(a11==1)&&((a21==1)&&(input==6)))&&(a28==7))&&(a19==1))&&!(a25==1)))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L38] COND FALSE !(((a21==1)&&((a19==1)&&((((((a25==1)||!(a25==1))&&(input==3))&&(a17==9))&&(a11==1))&&(a28==9))))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L42] COND FALSE !(((a28==9)&&(!(a19==1)&&((a21==1)&&((((input==4)&&!(a25==1))&&!(a11==1))&&(a17==8)))))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L47] COND FALSE !(((((a17==8)&&((((input==1)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a19==1)))&&(a21==1))&&(a28==10))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L50] COND FALSE !(((a19==1)&&(!(a25==1)&&((a21==1)&&((((input==1)&&(a17==8))&&!(a11==1))&&(a28==7)))))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L54] COND FALSE !(((((!(a19==1)&&((input==1)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))))&&(a21==1))&&(a17==8))&&!(a11==1))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L59] COND FALSE !(((a19==1)&&(((((input==1)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1)))))&&(a11==1))&&(a21==1))&&(a17==9)))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L65] COND FALSE !(((a19==1)&&(((a17==8)&&(((input==6)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9))))&&!(a11==1)))&&(a21==1)))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L69] COND FALSE !((!(a11==1)&&((((a21==1)&&((input==1)&&(((a28==8)&&!(a25==1))||((a25==1)&&(a28==9)))))&&!(a19==1))&&(a17==8)))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L74] COND FALSE !((!(a19==1)&&(((((a17==8)&&((a25==1)&&(input==3)))&&(a28==10))&&!(a11==1))&&(a21==1)))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L82] COND FALSE !((((!(a19==1)&&((a21==1)&&((((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||((a28==7)&&!(a25==1))))&&(input==4))))&&!(a11==1))&&(a17==8))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L91] COND FALSE !(((a17==8)&&((a21==1)&&((a25==1)&&((a19==1)&&(!(a11==1)&&((a28==11)&&(input==3)))))))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L95] COND FALSE !(((a28==9)&&(((!(a19==1)&&(((input==3)&&!(a11==1))&&(a17==8)))&&!(a25==1))&&(a21==1)))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L99] COND FALSE !(((!(a11==1)&&(((a28==11)&&((a25==1)&&((input==1)&&(a19==1))))&&(a17==8)))&&(a21==1))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L106] COND FALSE !((((a11==1)&&((((((a25==1)&&(a28==8))||(((a25==1)&&(a28==7))||(!(a25==1)&&(a28==7))))&&(input==6))&&(a19==1))&&(a17==9)))&&(a21==1))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L113] COND FALSE !(((a17==8)&&((a21==1)&&(!(a11==1)&&(!(a19==1)&&(((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==3))))))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L119] COND FALSE !((((((a21==1)&&((a28==10)&&((input==1)&&(a25==1))))&&!(a11==1))&&(a17==8))&&!(a19==1))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L123] COND FALSE !((!(a11==1)&&(!(a19==1)&&(((a17==8)&&((input==6)&&((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a28==8)&&(a25==1)))))&&(a21==1))))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L130] COND FALSE !(((((a17==8)&&(!(a19==1)&&(((input==6)&&(a21==1))&&!(a25==1))))&&!(a11==1))&&(a28==9))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L134] COND FALSE !((!(a11==1)&&((!(a25==1)&&(((a21==1)&&((input==1)&&(a19==1)))&&(a17==8)))&&(a28==11)))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L139] COND FALSE !((((a11==1)&&(((a19==1)&&((a21==1)&&(((a25==1)||!(a25==1))&&(input==4))))&&(a17==9)))&&(a28==9))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L143] COND FALSE !(((!(a11==1)&&((a28==9)&&(((!(a19==1)&&(input==5))&&!(a25==1))&&(a21==1))))&&(a17==8))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L148] COND FALSE !(((!(a11==1)&&(((a17==8)&&(((((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))||((a28==8)&&(a25==1)))&&(input==3)))&&!(a19==1)))&&(a21==1))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L154] COND FALSE !(((a21==1)&&(!(a19==1)&&((((input==5)&&(((a28==8)&&(a25==1))||(((a25==1)&&(a28==7))||(!(a25==1)&&(a28==7)))))&&!(a11==1))&&(a17==8))))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L159] COND FALSE !((((a17==9)&&(((a28==8)&&(((input==1)&&(a19==1))&&!(a25==1)))&&(a11==1)))&&(a21==1))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L165] COND FALSE !((((a21==1)&&((a19==1)&&((a28==7)&&((a17==8)&&(!(a25==1)&&(input==3))))))&&!(a11==1))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L169] COND FALSE !(((a28==11)&&(((a17==8)&&((((input==6)&&(a21==1))&&(a19==1))&&!(a25==1)))&&!(a11==1)))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L175] COND FALSE !(((!(a11==1)&&(((a17==8)&&((a21==1)&&((input==3)&&(a28==8))))&&(a19==1)))&&(a25==1))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L179] COND FALSE !((((a21==1)&&(((a19==1)&&(((((a25==1)&&(a28==7))||((a28==7)&&!(a25==1)))||((a25==1)&&(a28==8)))&&(input==4)))&&(a11==1)))&&(a17==9))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L185] COND FALSE !((((!(a11==1)&&((a17==8)&&(((input==4)&&(a19==1))&&(a28==8))))&&(a21==1))&&(a25==1))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L187] COND FALSE !(((a19==1)&&((((((input==4)&&(a21==1))&&(a28==9))&&!(a25==1))&&!(a11==1))&&(a17==8)))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L189] COND FALSE !(((a17==8)&&((((((input==1)&&(a21==1))&&!(a11==1))&&(a19==1))&&!(a25==1))&&(a28==9)))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L191] COND FALSE !((((((((input==4)&&((a25==1)||!(a25==1)))&&!(a11==1))&&(a21==1))&&(a17==8))&&(a28==10))&&(a19==1))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L194] COND FALSE !(((!(a25==1)&&((a11==1)&&((a28==8)&&(((a17==9)&&(input==4))&&(a19==1)))))&&(a21==1))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L198] COND FALSE !((!(a19==1)&&((a17==8)&&((a28==10)&&(((a25==1)&&(!(a11==1)&&(input==5)))&&(a21==1)))))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L202] COND FALSE !((((((a21==1)&&((input==1)&&((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))))&&(a17==8))&&!(a11==1))&&(a19==1))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L212] COND FALSE !(((a21==1)&&((((a19==1)&&((a25==1)&&((a28==11)&&(input==6))))&&!(a11==1))&&(a17==8)))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L215] COND FALSE !((!(a11==1)&&((a19==1)&&((a28==10)&&(((((a25==1)||!(a25==1))&&(input==5))&&(a17==8))&&(a21==1)))))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L218] COND FALSE !((((((a17==9)&&((((a25==1)||!(a25==1))&&(input==6))&&(a11==1)))&&(a19==1))&&(a21==1))&&(a28==9))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L223] COND FALSE !((((a17==8)&&(((((input==6)&&(a25==1))&&!(a19==1))&&!(a11==1))&&(a28==10)))&&(a21==1))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L225] COND FALSE !(((!(a19==1)&&((a17==8)&&(!(a11==1)&&((input==1)&&((((a28==10)&&!(a25==1))||((a25==1)&&(a28==11)))||(!(a25==1)&&(a28==11)))))))&&(a21==1))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L232] COND FALSE !((((((((input==1)&&(a21==1))&&(a28==9))&&!(a19==1))&&!(a25==1))&&(a17==8))&&!(a11==1))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L234] COND FALSE !(((a17==8)&&(((!(a11==1)&&((!(a25==1)&&(input==4))&&(a19==1)))&&(a28==7))&&(a21==1)))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L237] COND FALSE !((!(a11==1)&&(((a17==8)&&((((!(a25==1)&&(a28==11))||((!(a25==1)&&(a28==10))||((a28==11)&&(a25==1))))&&(input==3))&&(a21==1)))&&!(a19==1)))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L248] COND FALSE !(((((!(a11==1)&&(((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==5)))&&(a21==1))&&!(a19==1))&&(a17==8))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L253] COND FALSE !((((a17==9)&&(((((input==1)&&((a25==1)||!(a25==1)))&&(a11==1))&&(a21==1))&&(a19==1)))&&(a28==9))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L259] COND FALSE !((!(a11==1)&&((a19==1)&&(((((a28==9)&&(input==6))&&(a21==1))&&(a17==8))&&!(a25==1))))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L261] COND FALSE !(((a17==9)&&((a21==1)&&((a11==1)&&(((input==3)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))))&&(a19==1)))))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L276] COND FALSE !(((a28==7)&&((a17==8)&&(!(a25==1)&&((a21==1)&&((a19==1)&&((input==5)&&!(a11==1)))))))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L280] COND FALSE !(((a28==8)&&((a21==1)&&((!(a11==1)&&(((input==1)&&(a17==8))&&(a19==1)))&&(a25==1))))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L283] COND FALSE !((((((a17==8)&&(((input==6)&&((a25==1)||!(a25==1)))&&(a21==1)))&&(a28==10))&&!(a11==1))&&(a19==1))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L286] COND FALSE !(((!(a11==1)&&((!(a19==1)&&(((!(a25==1)&&(a28==11))||(((a28==10)&&!(a25==1))||((a25==1)&&(a28==11))))&&(input==5)))&&(a17==8)))&&(a21==1))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L291] COND FALSE !(((a17==8)&&(((a21==1)&&(!(a11==1)&&((a25==1)&&((a28==8)&&(input==6)))))&&(a19==1)))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L293] COND FALSE !((((a19==1)&&((a17==8)&&(((!(a25==1)&&(input==5))&&(a21==1))&&!(a11==1))))&&(a28==11))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L297] COND FALSE !(((a11==1)&&(((a17==9)&&((a28==9)&&((a19==1)&&(((a25==1)||!(a25==1))&&(input==5)))))&&(a21==1)))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L309] COND FALSE !((((((((input==3)&&(a19==1))&&(a21==1))&&(a17==8))&&!(a25==1))&&(a28==11))&&!(a11==1))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L314] COND FALSE !(((a19==1)&&((a21==1)&&((((input==5)&&(((a25==1)&&(a28==8))||(((a28==7)&&(a25==1))||(!(a25==1)&&(a28==7)))))&&(a11==1))&&(a17==9))))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L328] COND FALSE !((((a19==1)&&(((!(a11==1)&&(((a25==1)||!(a25==1))&&(input==3)))&&(a28==10))&&(a21==1)))&&(a17==8))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L331] COND FALSE !(((!(a11==1)&&(((((input==4)&&(a17==8))&&!(a25==1))&&(a21==1))&&(a28==11)))&&(a19==1))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L337] COND FALSE !((((!(a19==1)&&(((input==4)&&(((!(a25==1)&&(a28==10))||((a28==11)&&(a25==1)))||(!(a25==1)&&(a28==11))))&&(a21==1)))&&(a17==8))&&!(a11==1))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L349] COND FALSE !((!(a11==1)&&(((a17==8)&&((((a25==1)&&(input==4))&&(a19==1))&&(a28==11)))&&(a21==1)))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L354] COND FALSE !((((((a21==1)&&((((a28==8)&&!(a25==1))||((a28==9)&&(a25==1)))&&(input==6)))&&!(a11==1))&&!(a19==1))&&(a17==8))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L361] COND FALSE !(((a19==1)&&((((a21==1)&&((!(a25==1)&&(input==3))&&(a17==9)))&&(a28==8))&&(a11==1)))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L368] COND FALSE !(((a17==8)&&(((a21==1)&&(((input==5)&&((!(a25==1)&&(a28==8))||((a28==9)&&(a25==1))))&&(a19==1)))&&!(a11==1)))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L375] COND FALSE !(((a19==1)&&(((((a17==8)&&((input==5)&&!(a11==1)))&&(a21==1))&&(a25==1))&&(a28==8)))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L378] COND FALSE !((((!(a11==1)&&((((a21==1)&&(input==4))&&(a28==10))&&(a17==8)))&&!(a19==1))&&(a25==1))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L380] COND FALSE !(((a28==8)&&(((a19==1)&&((a11==1)&&(!(a25==1)&&((a17==9)&&(input==6)))))&&(a21==1)))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L389] COND FALSE !((!(a11==1)&&((((a21==1)&&((input==6)&&((((a28==10)&&!(a25==1))||((a25==1)&&(a28==11)))||(!(a25==1)&&(a28==11)))))&&(a17==8))&&!(a19==1)))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L394] COND FALSE !((((((!(a25==1)&&((a19==1)&&(input==3)))&&(a28==9))&&(a21==1))&&(a17==8))&&!(a11==1))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L398] COND FALSE !((((a17==8)&&((((input==4)&&(((a28==8)&&!(a25==1))||((a25==1)&&(a28==9))))&&(a21==1))&&!(a19==1)))&&!(a11==1))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L402] COND FALSE !((((!(a11==1)&&((((a19==1)&&(input==5))&&(a17==8))&&(a21==1)))&&(a28==9))&&!(a25==1))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L404] COND FALSE !((((a11==1)&&((a19==1)&&((a21==1)&&(((a17==9)&&(input==5))&&!(a25==1)))))&&(a28==8))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L407] COND FALSE !((!(a11==1)&&((a21==1)&&(((a19==1)&&((a17==8)&&((a25==1)&&(input==5))))&&(a28==11))))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L409] COND FALSE !(((a19==1)&&((a17==8)&&(((((!(a25==1)&&(a28==8))||((a25==1)&&(a28==9)))&&(input==3))&&!(a11==1))&&(a21==1))))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L414] COND FALSE !((((((!(a25==1)&&(a11==1))&&(a28==7))&&!(a19==1))&&(a21==1))&&(a17==8))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L417] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==10))&&(a19==1))&&(a21==1))&&(a17==8))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L420] COND FALSE !(((((((a25==1)&&!(a11==1))&&(a28==7))&&(a19==1))&&(a21==1))&&(a17==8))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L423] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==7))&&(a19==1))&&(a21==1))&&(a17==7))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L426] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==9))&&(a19==1))&&(a21==1))&&(a17==8))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L429] COND FALSE !(((((((a25==1)&&(a11==1))&&(a28==9))&&!(a19==1))&&(a21==1))&&(a17==7))) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L432] COND TRUE (((((!(a25==1)&&(a11==1))&&(a28==10))&&!(a19==1))&&(a21==1))&&(a17==7)) VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] [L433] __VERIFIER_error() VAL [\old(a11)=1, \old(a17)=7, \old(a19)=0, \old(a25)=0, \old(a28)=10, \old(input)=4, a=1, a11=1, a17=7, a19=0, a21=1, a25=0, a28=10, c=3, d=4, e=5, f=6, input=4, u=21, v=22, w=23, x=24, y=25, z=26] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 6.0s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 3.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 458 SDtfs, 1176 SDslu, 200 SDs, 0 SdLazy, 2100 SolverSat, 479 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 567 GetRequests, 550 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=770occurred 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: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 172 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 568 NumberOfCodeBlocks, 568 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 559 ConstructedInterpolants, 0 QuantifiedInterpolants, 124153 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1271 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 5 InterpolantComputations, 3 PerfectInterpolantSequences, 95/99 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 incorrect! Received shutdown request...