/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_label33.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 12:07:10,146 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 12:07:10,148 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 12:07:10,161 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 12:07:10,161 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 12:07:10,162 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 12:07:10,164 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 12:07:10,165 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 12:07:10,167 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 12:07:10,168 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 12:07:10,169 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 12:07:10,170 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 12:07:10,170 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 12:07:10,171 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 12:07:10,172 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 12:07:10,173 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 12:07:10,174 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 12:07:10,175 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 12:07:10,176 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 12:07:10,178 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 12:07:10,180 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 12:07:10,181 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 12:07:10,182 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 12:07:10,183 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 12:07:10,185 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-17 12:07:10,192 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 12:07:10,193 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 12:07:10,194 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 12:07:10,194 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-17 12:07:10,209 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 12:07:10,209 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 12:07:10,210 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 12:07:10,211 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 12:07:10,211 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 12:07:10,211 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 12:07:10,211 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 12:07:10,211 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 12:07:10,212 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 12:07:10,212 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 12:07:10,212 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 12:07:10,212 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 12:07:10,212 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 12:07:10,213 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 12:07:10,213 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 12:07:10,213 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 12:07:10,213 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 12:07:10,213 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 12:07:10,213 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 12:07:10,214 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 12:07:10,214 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 12:07:10,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 12:07:10,214 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 12:07:10,214 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 12:07:10,215 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 12:07:10,215 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 12:07:10,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 12:07:10,215 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 12:07:10,215 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 12:07:10,216 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 12:07:10,499 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 12:07:10,516 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 12:07:10,519 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 12:07:10,520 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 12:07:10,521 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 12:07:10,521 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label33.c [2020-07-17 12:07:10,599 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e19d2377/9eb796c806d34e7f83ae8caa05355b3a/FLAGa85348bfc [2020-07-17 12:07:11,191 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 12:07:11,192 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label33.c [2020-07-17 12:07:11,208 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e19d2377/9eb796c806d34e7f83ae8caa05355b3a/FLAGa85348bfc [2020-07-17 12:07:11,455 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e19d2377/9eb796c806d34e7f83ae8caa05355b3a [2020-07-17 12:07:11,464 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 12:07:11,468 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 12:07:11,470 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 12:07:11,471 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 12:07:11,475 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 12:07:11,476 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 12:07:11" (1/1) ... [2020-07-17 12:07:11,479 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5167524d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:07:11, skipping insertion in model container [2020-07-17 12:07:11,480 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 12:07:11" (1/1) ... [2020-07-17 12:07:11,488 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 12:07:11,559 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 12:07:12,095 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 12:07:12,102 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 12:07:12,195 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 12:07:12,215 INFO L208 MainTranslator]: Completed translation [2020-07-17 12:07:12,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:07:12 WrapperNode [2020-07-17 12:07:12,215 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 12:07:12,216 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 12:07:12,216 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 12:07:12,217 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 12:07:12,231 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:07:12" (1/1) ... [2020-07-17 12:07:12,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:07:12" (1/1) ... [2020-07-17 12:07:12,249 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:07:12" (1/1) ... [2020-07-17 12:07:12,249 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:07:12" (1/1) ... [2020-07-17 12:07:12,300 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:07:12" (1/1) ... [2020-07-17 12:07:12,318 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:07:12" (1/1) ... [2020-07-17 12:07:12,324 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:07:12" (1/1) ... [2020-07-17 12:07:12,331 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 12:07:12,332 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 12:07:12,332 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 12:07:12,332 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 12:07:12,333 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:07:12" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 12:07:12,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 12:07:12,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 12:07:12,392 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-17 12:07:12,392 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 12:07:12,392 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-17 12:07:12,392 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 12:07:12,392 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 12:07:12,392 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-17 12:07:12,392 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 12:07:12,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 12:07:12,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 12:07:13,607 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 12:07:13,608 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-17 12:07:13,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 12:07:13 BoogieIcfgContainer [2020-07-17 12:07:13,615 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 12:07:13,616 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 12:07:13,616 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 12:07:13,620 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 12:07:13,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 12:07:11" (1/3) ... [2020-07-17 12:07:13,621 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43cc35bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 12:07:13, skipping insertion in model container [2020-07-17 12:07:13,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 12:07:12" (2/3) ... [2020-07-17 12:07:13,622 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43cc35bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 12:07:13, skipping insertion in model container [2020-07-17 12:07:13,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 12:07:13" (3/3) ... [2020-07-17 12:07:13,624 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label33.c [2020-07-17 12:07:13,636 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 12:07:13,644 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 12:07:13,658 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 12:07:13,684 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 12:07:13,685 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 12:07:13,685 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 12:07:13,685 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 12:07:13,685 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 12:07:13,686 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 12:07:13,686 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 12:07:13,686 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 12:07:13,709 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-07-17 12:07:13,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-07-17 12:07:13,725 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:07:13,727 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:07:13,727 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:07:13,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:07:13,733 INFO L82 PathProgramCache]: Analyzing trace with hash -421614983, now seen corresponding path program 1 times [2020-07-17 12:07:13,741 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:07:13,742 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116218544] [2020-07-17 12:07:13,742 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:07:13,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:07:14,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:07:14,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:07:14,368 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116218544] [2020-07-17 12:07:14,369 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 12:07:14,369 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 12:07:14,370 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814090459] [2020-07-17 12:07:14,377 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 12:07:14,377 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:07:14,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 12:07:14,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-17 12:07:14,395 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2020-07-17 12:07:16,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:07:16,162 INFO L93 Difference]: Finished difference Result 627 states and 1073 transitions. [2020-07-17 12:07:16,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 12:07:16,166 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 147 [2020-07-17 12:07:16,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:07:16,195 INFO L225 Difference]: With dead ends: 627 [2020-07-17 12:07:16,195 INFO L226 Difference]: Without dead ends: 327 [2020-07-17 12:07:16,208 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-07-17 12:07:16,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2020-07-17 12:07:16,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 319. [2020-07-17 12:07:16,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2020-07-17 12:07:16,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 480 transitions. [2020-07-17 12:07:16,302 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 480 transitions. Word has length 147 [2020-07-17 12:07:16,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:07:16,303 INFO L479 AbstractCegarLoop]: Abstraction has 319 states and 480 transitions. [2020-07-17 12:07:16,303 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 12:07:16,303 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 480 transitions. [2020-07-17 12:07:16,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-07-17 12:07:16,309 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:07:16,309 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:07:16,310 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 12:07:16,310 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:07:16,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:07:16,310 INFO L82 PathProgramCache]: Analyzing trace with hash -1468794956, now seen corresponding path program 1 times [2020-07-17 12:07:16,311 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:07:16,311 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603464748] [2020-07-17 12:07:16,311 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:07:16,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:07:16,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:07:16,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:07:16,518 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:07:16,518 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603464748] [2020-07-17 12:07:16,518 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 12:07:16,519 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-17 12:07:16,519 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095224308] [2020-07-17 12:07:16,521 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 12:07:16,521 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:07:16,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 12:07:16,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-17 12:07:16,522 INFO L87 Difference]: Start difference. First operand 319 states and 480 transitions. Second operand 8 states. [2020-07-17 12:07:17,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:07:17,405 INFO L93 Difference]: Finished difference Result 635 states and 968 transitions. [2020-07-17 12:07:17,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-17 12:07:17,405 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 162 [2020-07-17 12:07:17,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:07:17,409 INFO L225 Difference]: With dead ends: 635 [2020-07-17 12:07:17,409 INFO L226 Difference]: Without dead ends: 322 [2020-07-17 12:07:17,411 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 [2020-07-17 12:07:17,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2020-07-17 12:07:17,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 310. [2020-07-17 12:07:17,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2020-07-17 12:07:17,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 437 transitions. [2020-07-17 12:07:17,440 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 437 transitions. Word has length 162 [2020-07-17 12:07:17,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:07:17,440 INFO L479 AbstractCegarLoop]: Abstraction has 310 states and 437 transitions. [2020-07-17 12:07:17,441 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 12:07:17,441 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 437 transitions. [2020-07-17 12:07:17,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-07-17 12:07:17,444 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:07:17,445 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:07:17,445 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 12:07:17,445 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:07:17,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:07:17,446 INFO L82 PathProgramCache]: Analyzing trace with hash -178268063, now seen corresponding path program 1 times [2020-07-17 12:07:17,446 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:07:17,446 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079883290] [2020-07-17 12:07:17,446 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:07:17,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:07:17,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:07:17,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:07:17,657 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:07:17,657 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079883290] [2020-07-17 12:07:17,657 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 12:07:17,658 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-17 12:07:17,658 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910356695] [2020-07-17 12:07:17,659 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 12:07:17,659 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:07:17,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 12:07:17,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-17 12:07:17,660 INFO L87 Difference]: Start difference. First operand 310 states and 437 transitions. Second operand 8 states. [2020-07-17 12:07:19,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:07:19,761 INFO L93 Difference]: Finished difference Result 1090 states and 1576 transitions. [2020-07-17 12:07:19,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-17 12:07:19,762 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 169 [2020-07-17 12:07:19,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:07:19,767 INFO L225 Difference]: With dead ends: 1090 [2020-07-17 12:07:19,768 INFO L226 Difference]: Without dead ends: 786 [2020-07-17 12:07:19,769 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-07-17 12:07:19,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2020-07-17 12:07:19,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 614. [2020-07-17 12:07:19,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 614 states. [2020-07-17 12:07:19,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 801 transitions. [2020-07-17 12:07:19,815 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 801 transitions. Word has length 169 [2020-07-17 12:07:19,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:07:19,815 INFO L479 AbstractCegarLoop]: Abstraction has 614 states and 801 transitions. [2020-07-17 12:07:19,816 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 12:07:19,816 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 801 transitions. [2020-07-17 12:07:19,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-07-17 12:07:19,820 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:07:19,820 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:07:19,821 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 12:07:19,821 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:07:19,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:07:19,821 INFO L82 PathProgramCache]: Analyzing trace with hash 1326673688, now seen corresponding path program 1 times [2020-07-17 12:07:19,822 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:07:19,822 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541780364] [2020-07-17 12:07:19,822 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:07:19,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:07:20,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:07:20,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:07:20,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:07:20,131 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-17 12:07:20,131 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541780364] [2020-07-17 12:07:20,132 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [622259474] [2020-07-17 12:07:20,132 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:07:20,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:07:20,270 INFO L264 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-17 12:07:20,299 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 12:07:20,404 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-17 12:07:20,405 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-17 12:07:20,405 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-07-17 12:07:20,406 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078009537] [2020-07-17 12:07:20,406 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 12:07:20,407 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:07:20,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 12:07:20,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-17 12:07:20,407 INFO L87 Difference]: Start difference. First operand 614 states and 801 transitions. Second operand 3 states. [2020-07-17 12:07:21,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:07:21,037 INFO L93 Difference]: Finished difference Result 1516 states and 2020 transitions. [2020-07-17 12:07:21,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 12:07:21,038 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 182 [2020-07-17 12:07:21,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:07:21,047 INFO L225 Difference]: With dead ends: 1516 [2020-07-17 12:07:21,047 INFO L226 Difference]: Without dead ends: 908 [2020-07-17 12:07:21,049 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-17 12:07:21,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 908 states. [2020-07-17 12:07:21,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 908 to 908. [2020-07-17 12:07:21,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 908 states. [2020-07-17 12:07:21,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 908 states and 1104 transitions. [2020-07-17 12:07:21,083 INFO L78 Accepts]: Start accepts. Automaton has 908 states and 1104 transitions. Word has length 182 [2020-07-17 12:07:21,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:07:21,084 INFO L479 AbstractCegarLoop]: Abstraction has 908 states and 1104 transitions. [2020-07-17 12:07:21,084 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 12:07:21,084 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1104 transitions. [2020-07-17 12:07:21,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2020-07-17 12:07:21,088 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:07:21,089 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:07:21,304 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:07:21,305 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:07:21,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:07:21,306 INFO L82 PathProgramCache]: Analyzing trace with hash -347277386, now seen corresponding path program 1 times [2020-07-17 12:07:21,307 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:07:21,307 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803893458] [2020-07-17 12:07:21,307 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:07:21,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:07:21,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:07:21,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:07:21,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:07:21,547 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 56 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-17 12:07:21,548 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803893458] [2020-07-17 12:07:21,548 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1972299303] [2020-07-17 12:07:21,549 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:07:21,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:07:21,648 INFO L264 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-17 12:07:21,653 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 12:07:21,727 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 60 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 12:07:21,727 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-17 12:07:21,727 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5] total 12 [2020-07-17 12:07:21,728 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923544420] [2020-07-17 12:07:21,728 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-17 12:07:21,729 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:07:21,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-17 12:07:21,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-07-17 12:07:21,730 INFO L87 Difference]: Start difference. First operand 908 states and 1104 transitions. Second operand 12 states. [2020-07-17 12:07:24,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:07:24,176 INFO L93 Difference]: Finished difference Result 1990 states and 2478 transitions. [2020-07-17 12:07:24,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-07-17 12:07:24,177 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 198 [2020-07-17 12:07:24,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:07:24,184 INFO L225 Difference]: With dead ends: 1990 [2020-07-17 12:07:24,185 INFO L226 Difference]: Without dead ends: 1088 [2020-07-17 12:07:24,187 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=180, Invalid=522, Unknown=0, NotChecked=0, Total=702 [2020-07-17 12:07:24,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1088 states. [2020-07-17 12:07:24,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1088 to 922. [2020-07-17 12:07:24,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 922 states. [2020-07-17 12:07:24,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 922 states to 922 states and 1136 transitions. [2020-07-17 12:07:24,222 INFO L78 Accepts]: Start accepts. Automaton has 922 states and 1136 transitions. Word has length 198 [2020-07-17 12:07:24,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:07:24,223 INFO L479 AbstractCegarLoop]: Abstraction has 922 states and 1136 transitions. [2020-07-17 12:07:24,223 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-17 12:07:24,223 INFO L276 IsEmpty]: Start isEmpty. Operand 922 states and 1136 transitions. [2020-07-17 12:07:24,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-07-17 12:07:24,228 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:07:24,228 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:07:24,443 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:07:24,444 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:07:24,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:07:24,445 INFO L82 PathProgramCache]: Analyzing trace with hash -1272202501, now seen corresponding path program 1 times [2020-07-17 12:07:24,445 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:07:24,446 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385180316] [2020-07-17 12:07:24,446 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:07:24,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:07:24,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:07:24,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:07:24,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:07:24,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:07:24,650 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 57 proven. 7 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-07-17 12:07:24,651 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385180316] [2020-07-17 12:07:24,651 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1371781209] [2020-07-17 12:07:24,651 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:07:24,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:07:24,810 INFO L264 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-17 12:07:24,815 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 12:07:24,927 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-07-17 12:07:24,937 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-17 12:07:24,939 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 9 [2020-07-17 12:07:24,940 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452736009] [2020-07-17 12:07:24,941 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 12:07:24,942 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:07:24,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 12:07:24,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-07-17 12:07:24,943 INFO L87 Difference]: Start difference. First operand 922 states and 1136 transitions. Second operand 5 states. [2020-07-17 12:07:25,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:07:25,968 INFO L93 Difference]: Finished difference Result 2465 states and 3126 transitions. [2020-07-17 12:07:25,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-17 12:07:25,969 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 206 [2020-07-17 12:07:25,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:07:25,980 INFO L225 Difference]: With dead ends: 2465 [2020-07-17 12:07:25,981 INFO L226 Difference]: Without dead ends: 1387 [2020-07-17 12:07:25,987 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-17 12:07:25,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1387 states. [2020-07-17 12:07:26,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1387 to 1367. [2020-07-17 12:07:26,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1367 states. [2020-07-17 12:07:26,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1367 states to 1367 states and 1572 transitions. [2020-07-17 12:07:26,070 INFO L78 Accepts]: Start accepts. Automaton has 1367 states and 1572 transitions. Word has length 206 [2020-07-17 12:07:26,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:07:26,071 INFO L479 AbstractCegarLoop]: Abstraction has 1367 states and 1572 transitions. [2020-07-17 12:07:26,071 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 12:07:26,072 INFO L276 IsEmpty]: Start isEmpty. Operand 1367 states and 1572 transitions. [2020-07-17 12:07:26,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2020-07-17 12:07:26,083 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 12:07:26,084 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 12:07:26,297 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:07:26,298 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 12:07:26,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 12:07:26,298 INFO L82 PathProgramCache]: Analyzing trace with hash -1449891231, now seen corresponding path program 1 times [2020-07-17 12:07:26,298 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 12:07:26,299 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37482642] [2020-07-17 12:07:26,299 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 12:07:26,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:07:26,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:07:26,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:07:26,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:07:26,856 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 98 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-07-17 12:07:26,857 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37482642] [2020-07-17 12:07:26,857 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1106984636] [2020-07-17 12:07:26,857 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:07:26,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 12:07:26,966 INFO L264 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-17 12:07:26,971 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 12:07:27,096 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2020-07-17 12:07:27,096 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-17 12:07:27,096 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2020-07-17 12:07:27,097 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849553573] [2020-07-17 12:07:27,097 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 12:07:27,097 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 12:07:27,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 12:07:27,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-07-17 12:07:27,098 INFO L87 Difference]: Start difference. First operand 1367 states and 1572 transitions. Second operand 3 states. [2020-07-17 12:07:27,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 12:07:27,570 INFO L93 Difference]: Finished difference Result 3448 states and 3955 transitions. [2020-07-17 12:07:27,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 12:07:27,571 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 253 [2020-07-17 12:07:27,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 12:07:27,572 INFO L225 Difference]: With dead ends: 3448 [2020-07-17 12:07:27,572 INFO L226 Difference]: Without dead ends: 0 [2020-07-17 12:07:27,579 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-07-17 12:07:27,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-17 12:07:27,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-17 12:07:27,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-17 12:07:27,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-17 12:07:27,580 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 253 [2020-07-17 12:07:27,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 12:07:27,580 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-17 12:07:27,580 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 12:07:27,580 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 12:07:27,580 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 12:07:27,794 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 12:07:27,798 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-17 12:07:28,451 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 46 [2020-07-17 12:07:28,683 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 35 [2020-07-17 12:07:28,687 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-17 12:07:28,687 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a11~0 |old(~a11~0)|) (= ~z~0 |old(~z~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~v~0 |old(~v~0)|) (= ~a17~0 |old(~a17~0)|) (= ~y~0 |old(~y~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|) (= ~d~0 |old(~d~0)|)) [2020-07-17 12:07:28,688 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-17 12:07:28,688 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:28,688 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:28,688 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:28,689 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:28,689 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:28,689 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-07-17 12:07:28,689 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-07-17 12:07:28,689 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-17 12:07:28,690 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-07-17 12:07:28,690 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-07-17 12:07:28,690 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-17 12:07:28,690 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-07-17 12:07:28,690 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-07-17 12:07:28,690 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-07-17 12:07:28,690 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-07-17 12:07:28,690 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-07-17 12:07:28,690 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-07-17 12:07:28,690 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-07-17 12:07:28,691 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:28,691 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:28,691 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:28,691 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:28,691 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-07-17 12:07:28,691 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:28,691 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-07-17 12:07:28,691 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-07-17 12:07:28,692 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-07-17 12:07:28,692 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-07-17 12:07:28,692 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-07-17 12:07:28,692 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-07-17 12:07:28,692 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-07-17 12:07:28,692 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-07-17 12:07:28,692 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-07-17 12:07:28,693 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-07-17 12:07:28,693 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-07-17 12:07:28,693 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-07-17 12:07:28,693 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-07-17 12:07:28,693 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-07-17 12:07:28,693 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-07-17 12:07:28,693 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:28,694 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:28,694 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:28,694 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:28,694 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:28,694 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 595) no Hoare annotation was computed. [2020-07-17 12:07:28,694 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-07-17 12:07:28,694 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-07-17 12:07:28,695 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-07-17 12:07:28,695 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-17 12:07:28,695 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-07-17 12:07:28,695 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-17 12:07:28,695 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-07-17 12:07:28,695 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-17 12:07:28,695 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-07-17 12:07:28,695 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-07-17 12:07:28,696 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-07-17 12:07:28,696 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:28,696 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:28,696 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:28,696 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:28,696 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:28,696 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-07-17 12:07:28,696 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-07-17 12:07:28,697 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-07-17 12:07:28,697 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-07-17 12:07:28,697 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-07-17 12:07:28,697 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-07-17 12:07:28,697 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-17 12:07:28,697 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-07-17 12:07:28,697 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-07-17 12:07:28,698 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-07-17 12:07:28,698 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-07-17 12:07:28,698 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-07-17 12:07:28,698 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-07-17 12:07:28,698 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:28,698 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:28,698 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:28,699 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:28,699 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:28,699 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-07-17 12:07:28,699 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-17 12:07:28,699 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-07-17 12:07:28,699 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-07-17 12:07:28,699 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-17 12:07:28,699 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-07-17 12:07:28,700 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-07-17 12:07:28,700 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-07-17 12:07:28,700 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-07-17 12:07:28,700 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-07-17 12:07:28,700 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-07-17 12:07:28,700 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-07-17 12:07:28,700 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-07-17 12:07:28,700 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-07-17 12:07:28,701 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-07-17 12:07:28,701 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-07-17 12:07:28,701 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:28,701 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:28,701 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:28,701 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:28,701 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-07-17 12:07:28,701 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:28,701 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-07-17 12:07:28,702 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:28,702 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-07-17 12:07:28,702 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-07-17 12:07:28,702 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-07-17 12:07:28,702 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:28,702 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:28,702 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-17 12:07:28,702 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-07-17 12:07:28,703 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-07-17 12:07:28,703 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-17 12:07:28,703 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-17 12:07:28,703 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-07-17 12:07:28,703 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-07-17 12:07:28,703 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-07-17 12:07:28,703 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-07-17 12:07:28,703 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-07-17 12:07:28,704 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-07-17 12:07:28,704 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:28,704 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:28,704 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:28,704 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:28,704 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:28,704 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:28,704 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-07-17 12:07:28,705 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-17 12:07:28,705 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-17 12:07:28,705 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-17 12:07:28,705 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-17 12:07:28,705 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-17 12:07:28,705 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-07-17 12:07:28,705 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-07-17 12:07:28,705 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-07-17 12:07:28,705 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-07-17 12:07:28,706 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-07-17 12:07:28,706 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:28,706 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:28,706 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:28,706 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:28,706 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:28,706 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:28,706 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-07-17 12:07:28,707 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-07-17 12:07:28,707 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-07-17 12:07:28,707 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-17 12:07:28,707 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-17 12:07:28,707 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-07-17 12:07:28,707 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-17 12:07:28,707 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-17 12:07:28,707 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-07-17 12:07:28,708 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-07-17 12:07:28,708 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-07-17 12:07:28,708 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-07-17 12:07:28,708 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-07-17 12:07:28,708 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-07-17 12:07:28,708 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:28,708 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:28,708 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:28,709 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse8 (= ~a11~0 |old(~a11~0)|)) (.cse0 (= ~a17~0 |old(~a17~0)|)) (.cse1 (= ~a19~0 |old(~a19~0)|)) (.cse2 (= ~a28~0 |old(~a28~0)|)) (.cse3 (= ~a25~0 |old(~a25~0)|))) (let ((.cse4 (= 11 |old(~a28~0)|)) (.cse6 (not (<= 8 |old(~a17~0)|))) (.cse7 (and .cse8 .cse0 .cse1 .cse2 .cse3)) (.cse5 (not (<= |old(~a17~0)| 8)))) (and (or (and (= 1 ~a11~0) .cse0 .cse1 .cse2 .cse3) .cse4 .cse5 (not (= 1 |old(~a11~0)|))) (or (not (= 1 |old(~a19~0)|)) .cse6 .cse7 .cse5) (or (and .cse8 .cse0 .cse2 .cse1 .cse3) (not (<= 10 |old(~a28~0)|)) .cse4 .cse5) (or (not (<= |old(~a28~0)| 8)) .cse6 .cse7 .cse5) (or (not (<= |old(~a28~0)| 7)) .cse7 .cse5)))) [2020-07-17 12:07:28,709 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:28,709 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:28,709 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:28,709 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-07-17 12:07:28,709 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-07-17 12:07:28,710 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-07-17 12:07:28,710 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-17 12:07:28,710 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-17 12:07:28,710 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-17 12:07:28,710 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-07-17 12:07:28,710 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-17 12:07:28,710 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-07-17 12:07:28,710 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-07-17 12:07:28,710 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-07-17 12:07:28,711 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-07-17 12:07:28,711 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-07-17 12:07:28,711 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:28,711 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:28,711 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:28,711 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:28,711 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:28,711 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:28,712 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-07-17 12:07:28,712 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-07-17 12:07:28,712 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-17 12:07:28,712 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-07-17 12:07:28,712 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-07-17 12:07:28,712 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-17 12:07:28,712 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-17 12:07:28,712 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-07-17 12:07:28,712 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-07-17 12:07:28,713 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-07-17 12:07:28,713 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-07-17 12:07:28,713 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-07-17 12:07:28,713 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-07-17 12:07:28,713 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-07-17 12:07:28,713 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-07-17 12:07:28,713 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-07-17 12:07:28,713 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:28,713 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:28,714 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:28,714 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:28,714 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-07-17 12:07:28,714 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-07-17 12:07:28,714 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-07-17 12:07:28,714 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-07-17 12:07:28,714 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-07-17 12:07:28,714 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-17 12:07:28,714 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-07-17 12:07:28,715 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-07-17 12:07:28,715 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-17 12:07:28,715 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-17 12:07:28,715 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-07-17 12:07:28,715 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-07-17 12:07:28,715 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-07-17 12:07:28,715 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-07-17 12:07:28,715 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-07-17 12:07:28,716 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-07-17 12:07:28,716 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-07-17 12:07:28,716 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-07-17 12:07:28,716 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-07-17 12:07:28,716 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-07-17 12:07:28,716 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-17 12:07:28,716 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a19~0) (<= ~a17~0 8) (<= 8 ~a17~0) (<= ~a28~0 7)) [2020-07-17 12:07:28,716 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-17 12:07:28,717 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-17 12:07:28,717 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 |old(~a19~0)|)) (not (<= |old(~a28~0)| 7)) (not (<= 8 |old(~a17~0)|)) (and (= ~a11~0 |old(~a11~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|)) (not (<= |old(~a17~0)| 8))) [2020-07-17 12:07:28,717 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse1 (<= 8 ~a17~0)) (.cse2 (not (= 11 ~a28~0))) (.cse0 (<= ~a17~0 8))) (or (not (= 1 |old(~a19~0)|)) (and (= 1 ~a19~0) .cse0 .cse1) (and .cse2 (= 1 ~a11~0) .cse0) (and .cse0 .cse1 (<= ~a28~0 8)) (and .cse0 (<= ~a28~0 7)) (not (<= |old(~a28~0)| 7)) (not (<= 8 |old(~a17~0)|)) (not (<= |old(~a17~0)| 8)) (and .cse2 .cse0 (<= 10 ~a28~0)))) [2020-07-17 12:07:28,717 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-07-17 12:07:28,717 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-07-17 12:07:28,717 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse1 (<= 8 ~a17~0)) (.cse2 (not (= 11 ~a28~0))) (.cse0 (<= ~a17~0 8))) (or (not (= 1 |old(~a19~0)|)) (and (= 1 ~a19~0) .cse0 .cse1) (and .cse2 (= 1 ~a11~0) .cse0) (and .cse0 .cse1 (<= ~a28~0 8)) (and .cse0 (<= ~a28~0 7)) (not (<= |old(~a28~0)| 7)) (not (<= 8 |old(~a17~0)|)) (not (<= |old(~a17~0)| 8)) (and .cse2 .cse0 (<= 10 ~a28~0)))) [2020-07-17 12:07:28,718 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-07-17 12:07:28,718 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-07-17 12:07:28,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 12:07:28 BoogieIcfgContainer [2020-07-17 12:07:28,738 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 12:07:28,740 INFO L168 Benchmark]: Toolchain (without parser) took 17274.68 ms. Allocated memory was 135.3 MB in the beginning and 491.8 MB in the end (delta: 356.5 MB). Free memory was 98.6 MB in the beginning and 155.7 MB in the end (delta: -57.1 MB). Peak memory consumption was 299.4 MB. Max. memory is 7.1 GB. [2020-07-17 12:07:28,741 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 135.3 MB. Free memory was 118.4 MB in the beginning and 118.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 12:07:28,742 INFO L168 Benchmark]: CACSL2BoogieTranslator took 745.53 ms. Allocated memory was 135.3 MB in the beginning and 201.3 MB in the end (delta: 66.1 MB). Free memory was 98.2 MB in the beginning and 167.4 MB in the end (delta: -69.2 MB). Peak memory consumption was 33.8 MB. Max. memory is 7.1 GB. [2020-07-17 12:07:28,743 INFO L168 Benchmark]: Boogie Preprocessor took 115.01 ms. Allocated memory is still 201.3 MB. Free memory was 167.4 MB in the beginning and 162.9 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2020-07-17 12:07:28,744 INFO L168 Benchmark]: RCFGBuilder took 1283.18 ms. Allocated memory was 201.3 MB in the beginning and 228.1 MB in the end (delta: 26.7 MB). Free memory was 162.9 MB in the beginning and 178.1 MB in the end (delta: -15.2 MB). Peak memory consumption was 89.1 MB. Max. memory is 7.1 GB. [2020-07-17 12:07:28,745 INFO L168 Benchmark]: TraceAbstraction took 15122.37 ms. Allocated memory was 228.1 MB in the beginning and 491.8 MB in the end (delta: 263.7 MB). Free memory was 176.6 MB in the beginning and 155.7 MB in the end (delta: 20.9 MB). Peak memory consumption was 284.6 MB. Max. memory is 7.1 GB. [2020-07-17 12:07:28,749 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 135.3 MB. Free memory was 118.4 MB in the beginning and 118.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 745.53 ms. Allocated memory was 135.3 MB in the beginning and 201.3 MB in the end (delta: 66.1 MB). Free memory was 98.2 MB in the beginning and 167.4 MB in the end (delta: -69.2 MB). Peak memory consumption was 33.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.01 ms. Allocated memory is still 201.3 MB. Free memory was 167.4 MB in the beginning and 162.9 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1283.18 ms. Allocated memory was 201.3 MB in the beginning and 228.1 MB in the end (delta: 26.7 MB). Free memory was 162.9 MB in the beginning and 178.1 MB in the end (delta: -15.2 MB). Peak memory consumption was 89.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15122.37 ms. Allocated memory was 228.1 MB in the beginning and 491.8 MB in the end (delta: 263.7 MB). Free memory was 176.6 MB in the beginning and 155.7 MB in the end (delta: 20.9 MB). Peak memory consumption was 284.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 595]: 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: (((((((!(1 == \old(a19)) || ((1 == a19 && a17 <= 8) && 8 <= a17)) || ((!(11 == a28) && 1 == a11) && a17 <= 8)) || ((a17 <= 8 && 8 <= a17) && a28 <= 8)) || (a17 <= 8 && a28 <= 7)) || !(\old(a28) <= 7)) || !(8 <= \old(a17))) || !(\old(a17) <= 8)) || ((!(11 == a28) && a17 <= 8) && 10 <= a28) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.1s, OverallIterations: 7, TraceHistogramMax: 4, AutomataDifference: 9.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 592 SDtfs, 3742 SDslu, 298 SDs, 0 SdLazy, 4557 SolverSat, 1251 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 939 GetRequests, 870 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1367occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 378 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 52 PreInvPairs, 84 NumberOfFragments, 371 HoareAnnotationTreeSize, 52 FomulaSimplifications, 38802 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1452 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 2156 NumberOfCodeBlocks, 2156 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2145 ConstructedInterpolants, 0 QuantifiedInterpolants, 1269351 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1890 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 11 InterpolantComputations, 6 PerfectInterpolantSequences, 649/673 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...