/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 --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 --traceabstraction.trace.refinement.strategy CAMEL_SMT_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label41.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-20 01:32:46,145 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 01:32:46,148 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 01:32:46,161 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-07-20 01:32:46,171 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 01:32:46,172 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 01:32:46,174 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 01:32:46,176 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 01:32:46,177 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 01:32:46,178 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 01:32:46,180 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 01:32:46,182 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 01:32:46,184 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 01:32:46,185 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 01:32:46,186 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 01:32:46,187 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 01:32:46,190 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-20 01:32:46,198 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 01:32:46,199 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 01:32:46,200 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 01:32:46,201 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 01:32:46,221 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 01:32:46,221 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 01:32:46,224 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 01:32:46,225 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 01:32:46,225 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 01:32:46,226 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 01:32:46,226 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 01:32:46,226 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 01:32:46,226 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 01:32:46,227 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 01:32:46,228 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 01:32:46,228 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 01:32:46,229 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 01:32:46,229 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 01:32:46,229 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 01:32:46,230 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 01:32:46,230 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 01:32:46,230 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 01:32:46,230 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 01:32:46,231 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 01:32:46,231 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 01:32:46,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 01:32:46,232 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 01:32:46,232 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 01:32:46,232 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 01:32:46,232 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 01:32:46,232 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 01:32:46,233 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 01:32:46,233 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 01:32:46,233 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_SMT_AM [2020-07-20 01:32:46,642 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 01:32:46,668 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 01:32:46,672 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 01:32:46,674 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 01:32:46,678 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 01:32:46,679 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label41.c [2020-07-20 01:32:46,760 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a80771be/55705efab8814c31a433aa5abc2263b3/FLAG53f6b816e [2020-07-20 01:32:47,492 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 01:32:47,493 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label41.c [2020-07-20 01:32:47,511 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a80771be/55705efab8814c31a433aa5abc2263b3/FLAG53f6b816e [2020-07-20 01:32:47,662 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a80771be/55705efab8814c31a433aa5abc2263b3 [2020-07-20 01:32:47,675 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 01:32:47,678 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 01:32:47,679 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 01:32:47,680 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 01:32:47,684 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 01:32:47,685 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:32:47" (1/1) ... [2020-07-20 01:32:47,688 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73a7c382 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:32:47, skipping insertion in model container [2020-07-20 01:32:47,689 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:32:47" (1/1) ... [2020-07-20 01:32:47,697 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 01:32:47,744 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 01:32:48,236 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 01:32:48,249 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 01:32:48,467 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 01:32:48,485 INFO L208 MainTranslator]: Completed translation [2020-07-20 01:32:48,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:32:48 WrapperNode [2020-07-20 01:32:48,485 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 01:32:48,486 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 01:32:48,486 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 01:32:48,486 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 01:32:48,501 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:32:48" (1/1) ... [2020-07-20 01:32:48,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:32:48" (1/1) ... [2020-07-20 01:32:48,522 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:32:48" (1/1) ... [2020-07-20 01:32:48,523 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:32:48" (1/1) ... [2020-07-20 01:32:48,587 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:32:48" (1/1) ... [2020-07-20 01:32:48,616 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:32:48" (1/1) ... [2020-07-20 01:32:48,628 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:32:48" (1/1) ... [2020-07-20 01:32:48,650 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 01:32:48,651 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 01:32:48,651 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 01:32:48,652 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 01:32:48,653 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:32:48" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 01:32:48,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 01:32:48,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 01:32:48,740 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-20 01:32:48,740 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 01:32:48,741 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-20 01:32:48,741 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 01:32:48,741 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 01:32:48,742 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-20 01:32:48,742 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 01:32:48,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 01:32:48,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 01:32:50,017 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 01:32:50,018 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-20 01:32:50,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:32:50 BoogieIcfgContainer [2020-07-20 01:32:50,025 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 01:32:50,026 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 01:32:50,026 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 01:32:50,029 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 01:32:50,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:32:47" (1/3) ... [2020-07-20 01:32:50,031 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dc59f0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:32:50, skipping insertion in model container [2020-07-20 01:32:50,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:32:48" (2/3) ... [2020-07-20 01:32:50,032 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dc59f0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:32:50, skipping insertion in model container [2020-07-20 01:32:50,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:32:50" (3/3) ... [2020-07-20 01:32:50,034 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label41.c [2020-07-20 01:32:50,046 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-20 01:32:50,055 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 01:32:50,071 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 01:32:50,101 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 01:32:50,101 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 01:32:50,101 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-20 01:32:50,102 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 01:32:50,102 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 01:32:50,102 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 01:32:50,102 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 01:32:50,102 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 01:32:50,130 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-07-20 01:32:50,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-07-20 01:32:50,144 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:32:50,145 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] [2020-07-20 01:32:50,146 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:32:50,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:32:50,153 INFO L82 PathProgramCache]: Analyzing trace with hash -1692915649, now seen corresponding path program 1 times [2020-07-20 01:32:50,162 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:32:50,163 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513703009] [2020-07-20 01:32:50,163 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5f76d16c [2020-07-20 01:32:50,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:32:50,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:32:50,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:32:50,783 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513703009] [2020-07-20 01:32:50,785 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:32:50,785 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-20 01:32:50,786 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122475245] [2020-07-20 01:32:50,793 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 01:32:50,793 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:32:50,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 01:32:50,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 01:32:50,814 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 5 states. [2020-07-20 01:32:52,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:32:52,494 INFO L93 Difference]: Finished difference Result 557 states and 956 transitions. [2020-07-20 01:32:52,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 01:32:52,501 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 91 [2020-07-20 01:32:52,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:32:52,536 INFO L225 Difference]: With dead ends: 557 [2020-07-20 01:32:52,536 INFO L226 Difference]: Without dead ends: 286 [2020-07-20 01:32:52,551 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 [2020-07-20 01:32:52,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-07-20 01:32:52,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 280. [2020-07-20 01:32:52,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-07-20 01:32:52,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 402 transitions. [2020-07-20 01:32:52,637 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 402 transitions. Word has length 91 [2020-07-20 01:32:52,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:32:52,638 INFO L479 AbstractCegarLoop]: Abstraction has 280 states and 402 transitions. [2020-07-20 01:32:52,639 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 01:32:52,639 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 402 transitions. [2020-07-20 01:32:52,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-07-20 01:32:52,645 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:32:52,646 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:32:52,646 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-20 01:32:52,646 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:32:52,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:32:52,647 INFO L82 PathProgramCache]: Analyzing trace with hash 1768869960, now seen corresponding path program 1 times [2020-07-20 01:32:52,647 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:32:52,647 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366461274] [2020-07-20 01:32:52,647 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5f76d16c [2020-07-20 01:32:52,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:32:52,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:32:52,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:32:52,850 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:32:52,850 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366461274] [2020-07-20 01:32:52,851 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 01:32:52,851 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-20 01:32:52,851 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266040886] [2020-07-20 01:32:52,853 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 01:32:52,853 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:32:52,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 01:32:52,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-20 01:32:52,854 INFO L87 Difference]: Start difference. First operand 280 states and 402 transitions. Second operand 8 states. [2020-07-20 01:32:54,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:32:54,413 INFO L93 Difference]: Finished difference Result 713 states and 1049 transitions. [2020-07-20 01:32:54,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 01:32:54,415 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 101 [2020-07-20 01:32:54,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:32:54,421 INFO L225 Difference]: With dead ends: 713 [2020-07-20 01:32:54,422 INFO L226 Difference]: Without dead ends: 439 [2020-07-20 01:32:54,424 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-07-20 01:32:54,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2020-07-20 01:32:54,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 421. [2020-07-20 01:32:54,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2020-07-20 01:32:54,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 590 transitions. [2020-07-20 01:32:54,486 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 590 transitions. Word has length 101 [2020-07-20 01:32:54,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:32:54,486 INFO L479 AbstractCegarLoop]: Abstraction has 421 states and 590 transitions. [2020-07-20 01:32:54,487 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 01:32:54,487 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 590 transitions. [2020-07-20 01:32:54,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-07-20 01:32:54,491 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:32:54,491 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-20 01:32:54,491 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-20 01:32:54,492 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:32:54,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:32:54,492 INFO L82 PathProgramCache]: Analyzing trace with hash 1027824070, now seen corresponding path program 1 times [2020-07-20 01:32:54,493 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:32:54,493 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170564275] [2020-07-20 01:32:54,493 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5f76d16c [2020-07-20 01:32:54,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:32:54,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:32:54,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:32:54,710 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:32:54,710 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170564275] [2020-07-20 01:32:54,711 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [488030444] [2020-07-20 01:32:54,711 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@64b1b273 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 [2020-07-20 01:32:54,870 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@64b1b273 issued 4 check-sat command(s) [2020-07-20 01:32:54,870 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:32:54,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 01:32:54,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:32:54,926 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:32:54,927 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 01:32:54,927 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 5 [2020-07-20 01:32:54,927 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627553166] [2020-07-20 01:32:54,928 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 01:32:54,928 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:32:54,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 01:32:54,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 01:32:54,929 INFO L87 Difference]: Start difference. First operand 421 states and 590 transitions. Second operand 3 states. [2020-07-20 01:32:55,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:32:55,594 INFO L93 Difference]: Finished difference Result 1247 states and 1789 transitions. [2020-07-20 01:32:55,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 01:32:55,595 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2020-07-20 01:32:55,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:32:55,601 INFO L225 Difference]: With dead ends: 1247 [2020-07-20 01:32:55,601 INFO L226 Difference]: Without dead ends: 832 [2020-07-20 01:32:55,603 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 01:32:55,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2020-07-20 01:32:55,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 832. [2020-07-20 01:32:55,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 832 states. [2020-07-20 01:32:55,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1102 transitions. [2020-07-20 01:32:55,650 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1102 transitions. Word has length 102 [2020-07-20 01:32:55,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:32:55,651 INFO L479 AbstractCegarLoop]: Abstraction has 832 states and 1102 transitions. [2020-07-20 01:32:55,651 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 01:32:55,651 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1102 transitions. [2020-07-20 01:32:55,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-07-20 01:32:55,658 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:32:55,658 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-07-20 01:32:55,873 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-07-20 01:32:55,874 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:32:55,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:32:55,875 INFO L82 PathProgramCache]: Analyzing trace with hash -2011229172, now seen corresponding path program 1 times [2020-07-20 01:32:55,875 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:32:55,876 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567103349] [2020-07-20 01:32:55,876 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5f76d16c [2020-07-20 01:32:55,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:32:56,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:32:56,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:32:56,090 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:32:56,091 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567103349] [2020-07-20 01:32:56,091 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1031558649] [2020-07-20 01:32:56,091 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@20f50cac No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:32:56,193 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@20f50cac issued 4 check-sat command(s) [2020-07-20 01:32:56,194 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:32:56,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 01:32:56,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:32:56,224 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:32:56,225 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 01:32:56,225 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 5 [2020-07-20 01:32:56,225 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467382561] [2020-07-20 01:32:56,226 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 01:32:56,226 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:32:56,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 01:32:56,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 01:32:56,227 INFO L87 Difference]: Start difference. First operand 832 states and 1102 transitions. Second operand 3 states. [2020-07-20 01:32:56,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:32:56,905 INFO L93 Difference]: Finished difference Result 2341 states and 3195 transitions. [2020-07-20 01:32:56,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 01:32:56,906 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2020-07-20 01:32:56,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:32:56,918 INFO L225 Difference]: With dead ends: 2341 [2020-07-20 01:32:56,919 INFO L226 Difference]: Without dead ends: 1515 [2020-07-20 01:32:56,923 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 107 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-20 01:32:56,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1515 states. [2020-07-20 01:32:56,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1515 to 1241. [2020-07-20 01:32:56,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1241 states. [2020-07-20 01:32:57,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1241 states to 1241 states and 1668 transitions. [2020-07-20 01:32:57,001 INFO L78 Accepts]: Start accepts. Automaton has 1241 states and 1668 transitions. Word has length 103 [2020-07-20 01:32:57,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:32:57,002 INFO L479 AbstractCegarLoop]: Abstraction has 1241 states and 1668 transitions. [2020-07-20 01:32:57,002 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 01:32:57,002 INFO L276 IsEmpty]: Start isEmpty. Operand 1241 states and 1668 transitions. [2020-07-20 01:32:57,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-07-20 01:32:57,008 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:32:57,009 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:32:57,223 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:32:57,224 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:32:57,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:32:57,225 INFO L82 PathProgramCache]: Analyzing trace with hash 2004252269, now seen corresponding path program 1 times [2020-07-20 01:32:57,225 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:32:57,226 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214564955] [2020-07-20 01:32:57,226 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5f76d16c [2020-07-20 01:32:57,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:32:57,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:32:57,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:32:57,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:32:57,399 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 01:32:57,399 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214564955] [2020-07-20 01:32:57,400 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1570217145] [2020-07-20 01:32:57,400 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@67c079d0 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 [2020-07-20 01:32:57,518 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@67c079d0 issued 4 check-sat command(s) [2020-07-20 01:32:57,518 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:32:57,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 01:32:57,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:32:57,597 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-20 01:32:57,599 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 01:32:57,600 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2020-07-20 01:32:57,600 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812967507] [2020-07-20 01:32:57,601 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 01:32:57,602 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:32:57,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 01:32:57,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-20 01:32:57,603 INFO L87 Difference]: Start difference. First operand 1241 states and 1668 transitions. Second operand 3 states. [2020-07-20 01:32:58,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:32:58,226 INFO L93 Difference]: Finished difference Result 3294 states and 4517 transitions. [2020-07-20 01:32:58,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 01:32:58,227 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 125 [2020-07-20 01:32:58,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:32:58,239 INFO L225 Difference]: With dead ends: 3294 [2020-07-20 01:32:58,239 INFO L226 Difference]: Without dead ends: 2059 [2020-07-20 01:32:58,244 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-20 01:32:58,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2059 states. [2020-07-20 01:32:58,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2059 to 2059. [2020-07-20 01:32:58,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2059 states. [2020-07-20 01:32:58,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2059 states to 2059 states and 2640 transitions. [2020-07-20 01:32:58,332 INFO L78 Accepts]: Start accepts. Automaton has 2059 states and 2640 transitions. Word has length 125 [2020-07-20 01:32:58,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:32:58,333 INFO L479 AbstractCegarLoop]: Abstraction has 2059 states and 2640 transitions. [2020-07-20 01:32:58,333 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 01:32:58,334 INFO L276 IsEmpty]: Start isEmpty. Operand 2059 states and 2640 transitions. [2020-07-20 01:32:58,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-07-20 01:32:58,341 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:32:58,341 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:32:58,554 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:32:58,555 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:32:58,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:32:58,556 INFO L82 PathProgramCache]: Analyzing trace with hash 996009503, now seen corresponding path program 1 times [2020-07-20 01:32:58,557 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:32:58,557 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319465945] [2020-07-20 01:32:58,557 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5f76d16c [2020-07-20 01:32:58,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:32:58,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:32:58,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:32:58,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:32:58,753 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 56 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 01:32:58,754 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319465945] [2020-07-20 01:32:58,754 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [743731905] [2020-07-20 01:32:58,755 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@41c6b42a No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:32:58,881 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@41c6b42a issued 4 check-sat command(s) [2020-07-20 01:32:58,881 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:32:58,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 01:32:58,895 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:32:58,957 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 57 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:32:58,957 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:32:58,958 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-07-20 01:32:58,958 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808008744] [2020-07-20 01:32:58,959 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 01:32:58,959 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:32:58,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 01:32:58,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-20 01:32:58,960 INFO L87 Difference]: Start difference. First operand 2059 states and 2640 transitions. Second operand 10 states. [2020-07-20 01:33:00,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:33:00,898 INFO L93 Difference]: Finished difference Result 4234 states and 5713 transitions. [2020-07-20 01:33:00,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-20 01:33:00,899 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 145 [2020-07-20 01:33:00,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:33:00,916 INFO L225 Difference]: With dead ends: 4234 [2020-07-20 01:33:00,917 INFO L226 Difference]: Without dead ends: 2181 [2020-07-20 01:33:00,923 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=94, Invalid=248, Unknown=0, NotChecked=0, Total=342 [2020-07-20 01:33:00,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2181 states. [2020-07-20 01:33:01,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2181 to 2093. [2020-07-20 01:33:01,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2093 states. [2020-07-20 01:33:01,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2093 states to 2093 states and 2598 transitions. [2020-07-20 01:33:01,017 INFO L78 Accepts]: Start accepts. Automaton has 2093 states and 2598 transitions. Word has length 145 [2020-07-20 01:33:01,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:33:01,017 INFO L479 AbstractCegarLoop]: Abstraction has 2093 states and 2598 transitions. [2020-07-20 01:33:01,018 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 01:33:01,018 INFO L276 IsEmpty]: Start isEmpty. Operand 2093 states and 2598 transitions. [2020-07-20 01:33:01,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-07-20 01:33:01,026 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:33:01,026 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:33:01,239 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:33:01,240 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:33:01,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:33:01,240 INFO L82 PathProgramCache]: Analyzing trace with hash -1157453929, now seen corresponding path program 1 times [2020-07-20 01:33:01,241 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:33:01,241 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960756260] [2020-07-20 01:33:01,241 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5f76d16c [2020-07-20 01:33:01,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:33:01,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:33:01,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:33:01,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:33:01,474 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-07-20 01:33:01,475 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960756260] [2020-07-20 01:33:01,475 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [920502280] [2020-07-20 01:33:01,475 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@12149cc No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:33:01,603 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@12149cc issued 4 check-sat command(s) [2020-07-20 01:33:01,603 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:33:01,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 441 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 01:33:01,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:33:01,639 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-07-20 01:33:01,640 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 01:33:01,640 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 6 [2020-07-20 01:33:01,640 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272444777] [2020-07-20 01:33:01,641 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 01:33:01,642 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:33:01,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 01:33:01,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 01:33:01,643 INFO L87 Difference]: Start difference. First operand 2093 states and 2598 transitions. Second operand 3 states. [2020-07-20 01:33:02,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:33:02,492 INFO L93 Difference]: Finished difference Result 5423 states and 6859 transitions. [2020-07-20 01:33:02,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 01:33:02,496 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 149 [2020-07-20 01:33:02,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:33:02,516 INFO L225 Difference]: With dead ends: 5423 [2020-07-20 01:33:02,516 INFO L226 Difference]: Without dead ends: 3336 [2020-07-20 01:33:02,524 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 156 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 01:33:02,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3336 states. [2020-07-20 01:33:02,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3336 to 3060. [2020-07-20 01:33:02,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3060 states. [2020-07-20 01:33:02,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3060 states to 3060 states and 3785 transitions. [2020-07-20 01:33:02,645 INFO L78 Accepts]: Start accepts. Automaton has 3060 states and 3785 transitions. Word has length 149 [2020-07-20 01:33:02,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:33:02,645 INFO L479 AbstractCegarLoop]: Abstraction has 3060 states and 3785 transitions. [2020-07-20 01:33:02,645 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 01:33:02,646 INFO L276 IsEmpty]: Start isEmpty. Operand 3060 states and 3785 transitions. [2020-07-20 01:33:02,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-07-20 01:33:02,657 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 01:33:02,657 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 01:33:02,870 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-07-20 01:33:02,871 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 01:33:02,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 01:33:02,871 INFO L82 PathProgramCache]: Analyzing trace with hash 152592045, now seen corresponding path program 1 times [2020-07-20 01:33:02,872 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_SMT_AM [2020-07-20 01:33:02,872 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797694135] [2020-07-20 01:33:02,873 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5f76d16c [2020-07-20 01:33:02,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:33:03,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:33:03,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:33:03,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 01:33:03,109 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 65 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 01:33:03,110 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797694135] [2020-07-20 01:33:03,110 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1025662948] [2020-07-20 01:33:03,111 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4cff0754 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:33:03,253 INFO L228 tOrderPrioritization]: Assert order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@4cff0754 issued 4 check-sat command(s) [2020-07-20 01:33:03,253 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 01:33:03,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 01:33:03,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 01:33:03,300 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 66 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 01:33:03,301 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 01:33:03,301 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 8 [2020-07-20 01:33:03,302 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97760923] [2020-07-20 01:33:03,302 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 01:33:03,303 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_SMT_AM [2020-07-20 01:33:03,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 01:33:03,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 01:33:03,304 INFO L87 Difference]: Start difference. First operand 3060 states and 3785 transitions. Second operand 8 states. [2020-07-20 01:33:04,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 01:33:04,576 INFO L93 Difference]: Finished difference Result 6047 states and 7599 transitions. [2020-07-20 01:33:04,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-20 01:33:04,577 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 157 [2020-07-20 01:33:04,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 01:33:04,578 INFO L225 Difference]: With dead ends: 6047 [2020-07-20 01:33:04,578 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 01:33:04,594 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-20 01:33:04,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 01:33:04,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 01:33:04,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 01:33:04,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 01:33:04,595 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 157 [2020-07-20 01:33:04,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 01:33:04,595 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 01:33:04,595 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 01:33:04,600 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 01:33:04,601 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 01:33:04,814 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-20 01:33:04,817 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 01:33:05,219 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 84 [2020-07-20 01:33:05,347 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 84 [2020-07-20 01:33:06,247 WARN L193 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 56 [2020-07-20 01:33:06,551 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 45 [2020-07-20 01:33:06,802 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 45 [2020-07-20 01:33:06,806 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:33:06,806 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~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)|) (= ~a7~0 |old(~a7~0)|) (= ~v~0 |old(~v~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= ~y~0 |old(~y~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~b~0 |old(~b~0)|) (= ~a20~0 |old(~a20~0)|) (= ~d~0 |old(~d~0)|)) [2020-07-20 01:33:06,807 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:33:06,807 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-07-20 01:33:06,807 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-07-20 01:33:06,807 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 01:33:06,807 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 01:33:06,807 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 01:33:06,808 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 01:33:06,808 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 01:33:06,808 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 01:33:06,808 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-07-20 01:33:06,808 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-07-20 01:33:06,808 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-07-20 01:33:06,808 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-07-20 01:33:06,808 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-07-20 01:33:06,808 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-07-20 01:33:06,809 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-07-20 01:33:06,809 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-07-20 01:33:06,809 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-07-20 01:33:06,809 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-07-20 01:33:06,809 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 01:33:06,809 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 01:33:06,809 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 01:33:06,809 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 01:33:06,809 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 01:33:06,810 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 01:33:06,810 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-07-20 01:33:06,810 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-07-20 01:33:06,810 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-07-20 01:33:06,810 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-07-20 01:33:06,810 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-07-20 01:33:06,810 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-07-20 01:33:06,811 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-07-20 01:33:06,811 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-07-20 01:33:06,811 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-07-20 01:33:06,811 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-07-20 01:33:06,811 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-07-20 01:33:06,811 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 431) no Hoare annotation was computed. [2020-07-20 01:33:06,812 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-07-20 01:33:06,812 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-07-20 01:33:06,812 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-07-20 01:33:06,812 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-07-20 01:33:06,812 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 01:33:06,812 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 01:33:06,812 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 01:33:06,812 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 01:33:06,813 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 01:33:06,813 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-07-20 01:33:06,813 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-07-20 01:33:06,813 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-07-20 01:33:06,813 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-07-20 01:33:06,813 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-07-20 01:33:06,813 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-07-20 01:33:06,814 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-07-20 01:33:06,814 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-07-20 01:33:06,814 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-07-20 01:33:06,814 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 01:33:06,814 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 01:33:06,814 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 01:33:06,814 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 01:33:06,815 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 01:33:06,815 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-07-20 01:33:06,815 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-07-20 01:33:06,815 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-07-20 01:33:06,815 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-07-20 01:33:06,815 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-07-20 01:33:06,815 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-07-20 01:33:06,815 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-07-20 01:33:06,816 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-07-20 01:33:06,816 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-07-20 01:33:06,816 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-07-20 01:33:06,816 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-07-20 01:33:06,816 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-07-20 01:33:06,816 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-07-20 01:33:06,816 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 01:33:06,817 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 01:33:06,817 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 01:33:06,817 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 01:33:06,817 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 01:33:06,817 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-07-20 01:33:06,817 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-07-20 01:33:06,817 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-07-20 01:33:06,817 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-07-20 01:33:06,818 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-07-20 01:33:06,818 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-07-20 01:33:06,818 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-07-20 01:33:06,818 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-07-20 01:33:06,818 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-07-20 01:33:06,818 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-07-20 01:33:06,818 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-07-20 01:33:06,819 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 01:33:06,819 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 01:33:06,819 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 01:33:06,819 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 01:33:06,819 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-07-20 01:33:06,819 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 01:33:06,819 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-07-20 01:33:06,819 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-07-20 01:33:06,820 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-07-20 01:33:06,820 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-07-20 01:33:06,820 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-07-20 01:33:06,820 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-07-20 01:33:06,820 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-07-20 01:33:06,820 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-07-20 01:33:06,820 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-07-20 01:33:06,820 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-07-20 01:33:06,821 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-07-20 01:33:06,821 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-07-20 01:33:06,821 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-07-20 01:33:06,821 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 01:33:06,821 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 01:33:06,821 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 01:33:06,821 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 01:33:06,821 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 01:33:06,822 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-07-20 01:33:06,822 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-07-20 01:33:06,822 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-07-20 01:33:06,822 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-07-20 01:33:06,822 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-07-20 01:33:06,822 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-07-20 01:33:06,823 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-07-20 01:33:06,823 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-07-20 01:33:06,823 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 01:33:06,823 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 01:33:06,823 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 01:33:06,823 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 01:33:06,823 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 01:33:06,824 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-07-20 01:33:06,824 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-07-20 01:33:06,824 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-07-20 01:33:06,824 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-07-20 01:33:06,824 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-07-20 01:33:06,824 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-07-20 01:33:06,825 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-07-20 01:33:06,825 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-07-20 01:33:06,825 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-07-20 01:33:06,825 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-07-20 01:33:06,825 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse10 (= ~a7~0 |old(~a7~0)|)) (.cse11 (= ~a17~0 |old(~a17~0)|)) (.cse12 (= ~a8~0 |old(~a8~0)|)) (.cse13 (= ~a20~0 |old(~a20~0)|)) (.cse14 (= ~a21~0 |old(~a21~0)|))) (let ((.cse3 (not (= 1 |old(~a17~0)|))) (.cse0 (not (<= 15 |old(~a8~0)|))) (.cse8 (not (<= |old(~a16~0)| 5))) (.cse5 (not (<= 5 |old(~a16~0)|))) (.cse6 (and .cse10 .cse11 (= ~a16~0 |old(~a16~0)|) .cse12 .cse13 .cse14)) (.cse7 (not (= 1 |old(~a7~0)|))) (.cse9 (not (<= |old(~a17~0)| 0))) (.cse4 (not (= 1 |old(~a20~0)|))) (.cse1 (not (= 4 |old(~a16~0)|))) (.cse2 (and .cse10 .cse11 .cse12 .cse13 .cse14 (= 4 ~a16~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse3 .cse5 .cse6) (or .cse0 .cse3 .cse5 .cse6) (or .cse7 .cse8 .cse3 .cse5 .cse6) (or .cse0 .cse5 .cse6 .cse9) (or .cse4 .cse7 .cse5 .cse6 .cse9) (or .cse8 .cse5 .cse6 .cse9) (or .cse1 .cse7 .cse2) (or .cse1 .cse2 .cse9) (or .cse4 .cse1 .cse2)))) [2020-07-20 01:33:06,826 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-07-20 01:33:06,826 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 01:33:06,826 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 01:33:06,826 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 01:33:06,826 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 01:33:06,826 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-07-20 01:33:06,826 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 01:33:06,827 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-07-20 01:33:06,827 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-07-20 01:33:06,827 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-07-20 01:33:06,827 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-07-20 01:33:06,827 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-07-20 01:33:06,827 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-07-20 01:33:06,827 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-07-20 01:33:06,827 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-07-20 01:33:06,828 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-07-20 01:33:06,828 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-07-20 01:33:06,828 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-07-20 01:33:06,828 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-07-20 01:33:06,828 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-07-20 01:33:06,828 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 01:33:06,828 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 01:33:06,829 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 01:33:06,829 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 01:33:06,829 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 01:33:06,829 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-07-20 01:33:06,829 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 01:33:06,829 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-07-20 01:33:06,829 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-07-20 01:33:06,829 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-07-20 01:33:06,830 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-07-20 01:33:06,830 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-07-20 01:33:06,830 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-07-20 01:33:06,830 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-07-20 01:33:06,830 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-07-20 01:33:06,830 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-07-20 01:33:06,830 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-07-20 01:33:06,830 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-07-20 01:33:06,831 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-07-20 01:33:06,831 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-07-20 01:33:06,831 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-07-20 01:33:06,831 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 01:33:06,831 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 01:33:06,831 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 01:33:06,831 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 01:33:06,832 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 01:33:06,832 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-07-20 01:33:06,832 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-07-20 01:33:06,832 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-07-20 01:33:06,832 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-07-20 01:33:06,832 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-07-20 01:33:06,832 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-07-20 01:33:06,833 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-07-20 01:33:06,833 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-07-20 01:33:06,833 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-07-20 01:33:06,833 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-07-20 01:33:06,833 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-07-20 01:33:06,833 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 01:33:06,833 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a17~0) (<= ~a16~0 5) (<= 15 ~a8~0) (<= 5 ~a16~0) (= 1 ~a20~0)) [2020-07-20 01:33:06,834 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 01:33:06,834 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 01:33:06,834 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 1 |old(~a20~0)|)) (not (<= 15 |old(~a8~0)|)) (not (<= |old(~a16~0)| 5)) (not (= 1 |old(~a17~0)|)) (not (<= 5 |old(~a16~0)|)) (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a21~0 |old(~a21~0)|))) [2020-07-20 01:33:06,834 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-07-20 01:33:06,834 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (let ((.cse5 (<= ~a16~0 5)) (.cse3 (= 1 ~a7~0)) (.cse1 (<= 5 ~a16~0)) (.cse7 (= 1 ~a20~0)) (.cse0 (<= ~a17~0 0)) (.cse6 (= 1 ~a17~0)) (.cse2 (<= 15 ~a8~0)) (.cse4 (= 4 ~a16~0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4) (and .cse0 .cse1 .cse5) (and .cse1 .cse6 .cse7) (not (= 1 |old(~a17~0)|)) (and .cse1 .cse2 .cse6) (not (<= 5 |old(~a16~0)|)) (and .cse3 .cse6 .cse1 .cse5) (not (= 1 |old(~a20~0)|)) (not (<= 15 |old(~a8~0)|)) (and .cse3 .cse0 .cse1 .cse7) (and .cse7 .cse4) (not (<= |old(~a16~0)| 5)) (and .cse0 .cse4) (and .cse6 .cse2 .cse4))) [2020-07-20 01:33:06,835 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-07-20 01:33:06,835 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-07-20 01:33:06,835 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse5 (<= ~a16~0 5)) (.cse3 (= 1 ~a7~0)) (.cse1 (<= 5 ~a16~0)) (.cse7 (= 1 ~a20~0)) (.cse0 (<= ~a17~0 0)) (.cse6 (= 1 ~a17~0)) (.cse2 (<= 15 ~a8~0)) (.cse4 (= 4 ~a16~0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4) (and .cse0 .cse1 .cse5) (and .cse1 .cse6 .cse7) (not (= 1 |old(~a17~0)|)) (and .cse1 .cse2 .cse6) (not (<= 5 |old(~a16~0)|)) (and .cse3 .cse6 .cse1 .cse5) (not (= 1 |old(~a20~0)|)) (not (<= 15 |old(~a8~0)|)) (and .cse3 .cse0 .cse1 .cse7) (and .cse7 .cse4) (not (<= |old(~a16~0)| 5)) (and .cse0 .cse4) (and .cse6 .cse2 .cse4))) [2020-07-20 01:33:06,835 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-07-20 01:33:06,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:33:06 BoogieIcfgContainer [2020-07-20 01:33:06,859 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 01:33:06,861 INFO L168 Benchmark]: Toolchain (without parser) took 19184.06 ms. Allocated memory was 147.3 MB in the beginning and 442.5 MB in the end (delta: 295.2 MB). Free memory was 103.4 MB in the beginning and 141.7 MB in the end (delta: -38.3 MB). Peak memory consumption was 309.7 MB. Max. memory is 7.1 GB. [2020-07-20 01:33:06,862 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 147.3 MB. Free memory was 123.4 MB in the beginning and 123.2 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-20 01:33:06,863 INFO L168 Benchmark]: CACSL2BoogieTranslator took 806.34 ms. Allocated memory was 147.3 MB in the beginning and 204.5 MB in the end (delta: 57.1 MB). Free memory was 103.0 MB in the beginning and 170.9 MB in the end (delta: -67.9 MB). Peak memory consumption was 32.9 MB. Max. memory is 7.1 GB. [2020-07-20 01:33:06,864 INFO L168 Benchmark]: Boogie Preprocessor took 164.62 ms. Allocated memory is still 204.5 MB. Free memory was 170.9 MB in the beginning and 165.4 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2020-07-20 01:33:06,865 INFO L168 Benchmark]: RCFGBuilder took 1373.69 ms. Allocated memory was 204.5 MB in the beginning and 238.6 MB in the end (delta: 34.1 MB). Free memory was 165.4 MB in the beginning and 177.3 MB in the end (delta: -11.8 MB). Peak memory consumption was 79.4 MB. Max. memory is 7.1 GB. [2020-07-20 01:33:06,866 INFO L168 Benchmark]: TraceAbstraction took 16833.38 ms. Allocated memory was 238.6 MB in the beginning and 442.5 MB in the end (delta: 203.9 MB). Free memory was 177.3 MB in the beginning and 141.7 MB in the end (delta: 35.5 MB). Peak memory consumption was 292.3 MB. Max. memory is 7.1 GB. [2020-07-20 01:33:06,870 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 147.3 MB. Free memory was 123.4 MB in the beginning and 123.2 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 806.34 ms. Allocated memory was 147.3 MB in the beginning and 204.5 MB in the end (delta: 57.1 MB). Free memory was 103.0 MB in the beginning and 170.9 MB in the end (delta: -67.9 MB). Peak memory consumption was 32.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 164.62 ms. Allocated memory is still 204.5 MB. Free memory was 170.9 MB in the beginning and 165.4 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1373.69 ms. Allocated memory was 204.5 MB in the beginning and 238.6 MB in the end (delta: 34.1 MB). Free memory was 165.4 MB in the beginning and 177.3 MB in the end (delta: -11.8 MB). Peak memory consumption was 79.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16833.38 ms. Allocated memory was 238.6 MB in the beginning and 442.5 MB in the end (delta: 203.9 MB). Free memory was 177.3 MB in the beginning and 141.7 MB in the end (delta: 35.5 MB). Peak memory consumption was 292.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 431]: 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: 583]: Loop Invariant Derived loop invariant: (((((((((((((((a17 <= 0 && 5 <= a16) && 15 <= a8) || (1 == a7 && 4 == a16)) || ((a17 <= 0 && 5 <= a16) && a16 <= 5)) || ((5 <= a16 && 1 == a17) && 1 == a20)) || !(1 == \old(a17))) || ((5 <= a16 && 15 <= a8) && 1 == a17)) || !(5 <= \old(a16))) || (((1 == a7 && 1 == a17) && 5 <= a16) && a16 <= 5)) || !(1 == \old(a20))) || !(15 <= \old(a8))) || (((1 == a7 && a17 <= 0) && 5 <= a16) && 1 == a20)) || (1 == a20 && 4 == a16)) || !(\old(a16) <= 5)) || (a17 <= 0 && 4 == a16)) || ((1 == a17 && 15 <= a8) && 4 == a16) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.7s, OverallIterations: 8, TraceHistogramMax: 3, AutomataDifference: 9.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 629 SDtfs, 2173 SDslu, 226 SDs, 0 SdLazy, 4717 SolverSat, 982 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 877 GetRequests, 818 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3060occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 8 MinimizatonAttempts, 662 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 107 PreInvPairs, 165 NumberOfFragments, 668 HoareAnnotationTreeSize, 107 FomulaSimplifications, 24952 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2678 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 1754 NumberOfCodeBlocks, 1754 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 1740 ConstructedInterpolants, 0 QuantifiedInterpolants, 559425 SizeOfPredicates, 6 NumberOfNonLiveVariables, 2399 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 14 InterpolantComputations, 6 PerfectInterpolantSequences, 487/501 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...