/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.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label05.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 12:10:24,488 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-08-18 12:10:24,525 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 12:10:24,526 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 12:10:24,527 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 12:10:24,528 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 12:10:24,529 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 12:10:24,530 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 12:10:24,532 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 12:10:24,533 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 12:10:24,535 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 12:10:24,536 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 12:10:24,537 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 12:10:24,538 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 12:10:24,540 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-18 12:10:24,563 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 12:10:24,563 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 12:10:24,566 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 12:10:24,567 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-18 12:10:24,611 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 12:10:24,614 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 12:10:24,615 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 12:10:24,616 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 12:10:24,616 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 12:10:24,616 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 12:10:24,616 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 12:10:24,616 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 12:10:24,617 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 12:10:24,617 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 12:10:24,617 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 12:10:24,617 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 12:10:24,618 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 12:10:24,618 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 12:10:24,618 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 12:10:24,618 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 12:10:24,618 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 12:10:24,619 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 12:10:24,619 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 12:10:24,619 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 12:10:24,620 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 12:10:24,620 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 12:10:24,620 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 12:10:24,620 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 12:10:24,621 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 12:10:24,621 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 12:10:24,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 12:10:24,621 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 12:10:24,622 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 12:10:24,622 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLEST; [2020-08-18 12:10:24,975 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 12:10:24,998 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 12:10:25,001 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 12:10:25,003 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 12:10:25,004 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 12:10:25,006 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label05.c [2020-08-18 12:10:25,080 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4076a3a2a/3fc90a7ef0e84920b20ef8c89ee21f91/FLAG3a7d349bb [2020-08-18 12:10:25,680 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 12:10:25,681 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label05.c [2020-08-18 12:10:25,695 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4076a3a2a/3fc90a7ef0e84920b20ef8c89ee21f91/FLAG3a7d349bb [2020-08-18 12:10:25,899 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4076a3a2a/3fc90a7ef0e84920b20ef8c89ee21f91 [2020-08-18 12:10:25,910 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 12:10:25,912 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 12:10:25,916 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 12:10:25,916 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 12:10:25,919 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 12:10:25,920 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 12:10:25" (1/1) ... [2020-08-18 12:10:25,924 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19f65ad8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:10:25, skipping insertion in model container [2020-08-18 12:10:25,925 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 12:10:25" (1/1) ... [2020-08-18 12:10:25,933 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 12:10:25,989 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 12:10:26,441 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 12:10:26,453 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 12:10:26,677 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 12:10:26,697 INFO L208 MainTranslator]: Completed translation [2020-08-18 12:10:26,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:10:26 WrapperNode [2020-08-18 12:10:26,699 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 12:10:26,700 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 12:10:26,700 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 12:10:26,700 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 12:10:26,718 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:10:26" (1/1) ... [2020-08-18 12:10:26,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:10:26" (1/1) ... [2020-08-18 12:10:26,752 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:10:26" (1/1) ... [2020-08-18 12:10:26,752 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:10:26" (1/1) ... [2020-08-18 12:10:26,796 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:10:26" (1/1) ... [2020-08-18 12:10:26,817 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:10:26" (1/1) ... [2020-08-18 12:10:26,825 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:10:26" (1/1) ... [2020-08-18 12:10:26,835 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 12:10:26,836 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 12:10:26,836 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 12:10:26,836 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 12:10:26,837 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:10:26" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 12:10:26,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 12:10:26,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 12:10:26,915 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-18 12:10:26,915 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 12:10:26,916 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-18 12:10:26,916 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 12:10:26,916 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 12:10:26,916 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-18 12:10:26,916 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 12:10:26,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 12:10:26,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 12:10:28,179 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 12:10:28,179 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-18 12:10:28,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 12:10:28 BoogieIcfgContainer [2020-08-18 12:10:28,185 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 12:10:28,187 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 12:10:28,187 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 12:10:28,190 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 12:10:28,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 12:10:25" (1/3) ... [2020-08-18 12:10:28,192 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50de1935 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 12:10:28, skipping insertion in model container [2020-08-18 12:10:28,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 12:10:26" (2/3) ... [2020-08-18 12:10:28,192 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50de1935 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 12:10:28, skipping insertion in model container [2020-08-18 12:10:28,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 12:10:28" (3/3) ... [2020-08-18 12:10:28,194 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label05.c [2020-08-18 12:10:28,206 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 12:10:28,214 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 12:10:28,229 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 12:10:28,257 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 12:10:28,257 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 12:10:28,257 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 12:10:28,258 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 12:10:28,258 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 12:10:28,258 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 12:10:28,258 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 12:10:28,258 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 12:10:28,285 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2020-08-18 12:10:28,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-08-18 12:10:28,298 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:10:28,299 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 12:10:28,300 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:10:28,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:10:28,307 INFO L82 PathProgramCache]: Analyzing trace with hash -1904695938, now seen corresponding path program 1 times [2020-08-18 12:10:28,318 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:10:28,319 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1002870624] [2020-08-18 12:10:28,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:10:28,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:10:28,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:10:28,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:10:28,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 12:10:28,946 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1002870624] [2020-08-18 12:10:28,948 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 12:10:28,949 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 12:10:28,950 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466868000] [2020-08-18 12:10:28,957 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 12:10:28,957 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:10:28,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 12:10:28,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 12:10:28,979 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 5 states. [2020-08-18 12:10:31,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:10:31,044 INFO L93 Difference]: Finished difference Result 698 states and 1233 transitions. [2020-08-18 12:10:31,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 12:10:31,046 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 100 [2020-08-18 12:10:31,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:10:31,064 INFO L225 Difference]: With dead ends: 698 [2020-08-18 12:10:31,065 INFO L226 Difference]: Without dead ends: 423 [2020-08-18 12:10:31,074 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-18 12:10:31,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2020-08-18 12:10:31,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 417. [2020-08-18 12:10:31,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 417 states. [2020-08-18 12:10:31,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 585 transitions. [2020-08-18 12:10:31,172 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 585 transitions. Word has length 100 [2020-08-18 12:10:31,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:10:31,173 INFO L479 AbstractCegarLoop]: Abstraction has 417 states and 585 transitions. [2020-08-18 12:10:31,173 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 12:10:31,173 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 585 transitions. [2020-08-18 12:10:31,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-08-18 12:10:31,180 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:10:31,181 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 12:10:31,181 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 12:10:31,181 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:10:31,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:10:31,182 INFO L82 PathProgramCache]: Analyzing trace with hash 1236531093, now seen corresponding path program 1 times [2020-08-18 12:10:31,182 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:10:31,182 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [427150359] [2020-08-18 12:10:31,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:10:31,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:10:31,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:10:31,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:10:31,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 12:10:31,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:10:31,397 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 12:10:31,398 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [427150359] [2020-08-18 12:10:31,398 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 12:10:31,398 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-18 12:10:31,399 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643492014] [2020-08-18 12:10:31,401 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 12:10:31,401 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:10:31,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 12:10:31,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-18 12:10:31,402 INFO L87 Difference]: Start difference. First operand 417 states and 585 transitions. Second operand 8 states. [2020-08-18 12:10:32,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:10:32,895 INFO L93 Difference]: Finished difference Result 1130 states and 1658 transitions. [2020-08-18 12:10:32,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-18 12:10:32,895 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 110 [2020-08-18 12:10:32,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:10:32,902 INFO L225 Difference]: With dead ends: 1130 [2020-08-18 12:10:32,903 INFO L226 Difference]: Without dead ends: 719 [2020-08-18 12:10:32,905 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 [2020-08-18 12:10:32,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2020-08-18 12:10:32,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 697. [2020-08-18 12:10:32,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 697 states. [2020-08-18 12:10:32,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 697 states and 978 transitions. [2020-08-18 12:10:32,963 INFO L78 Accepts]: Start accepts. Automaton has 697 states and 978 transitions. Word has length 110 [2020-08-18 12:10:32,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:10:32,963 INFO L479 AbstractCegarLoop]: Abstraction has 697 states and 978 transitions. [2020-08-18 12:10:32,963 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 12:10:32,963 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 978 transitions. [2020-08-18 12:10:32,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-08-18 12:10:32,968 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:10:32,968 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 12:10:32,968 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 12:10:32,969 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:10:32,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:10:32,969 INFO L82 PathProgramCache]: Analyzing trace with hash 235879383, now seen corresponding path program 1 times [2020-08-18 12:10:32,969 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:10:32,970 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1666554344] [2020-08-18 12:10:32,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:10:33,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:10:33,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:10:33,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:10:33,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 12:10:33,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:10:33,155 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 12:10:33,155 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1666554344] [2020-08-18 12:10:33,155 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 12:10:33,156 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-18 12:10:33,156 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874296775] [2020-08-18 12:10:33,158 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 12:10:33,158 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:10:33,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 12:10:33,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 12:10:33,160 INFO L87 Difference]: Start difference. First operand 697 states and 978 transitions. Second operand 5 states. [2020-08-18 12:10:34,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:10:34,250 INFO L93 Difference]: Finished difference Result 1944 states and 2781 transitions. [2020-08-18 12:10:34,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 12:10:34,252 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 111 [2020-08-18 12:10:34,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:10:34,260 INFO L225 Difference]: With dead ends: 1944 [2020-08-18 12:10:34,260 INFO L226 Difference]: Without dead ends: 1253 [2020-08-18 12:10:34,263 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-18 12:10:34,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1253 states. [2020-08-18 12:10:34,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1253 to 1110. [2020-08-18 12:10:34,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1110 states. [2020-08-18 12:10:34,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 1110 states and 1492 transitions. [2020-08-18 12:10:34,319 INFO L78 Accepts]: Start accepts. Automaton has 1110 states and 1492 transitions. Word has length 111 [2020-08-18 12:10:34,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:10:34,320 INFO L479 AbstractCegarLoop]: Abstraction has 1110 states and 1492 transitions. [2020-08-18 12:10:34,320 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 12:10:34,320 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states and 1492 transitions. [2020-08-18 12:10:34,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-08-18 12:10:34,326 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:10:34,326 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 12:10:34,327 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 12:10:34,327 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:10:34,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:10:34,327 INFO L82 PathProgramCache]: Analyzing trace with hash -676972618, now seen corresponding path program 1 times [2020-08-18 12:10:34,327 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:10:34,328 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1602659128] [2020-08-18 12:10:34,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:10:34,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:10:34,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:10:34,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:10:34,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 12:10:34,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:10:34,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-18 12:10:34,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:10:34,534 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 44 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-18 12:10:34,534 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1602659128] [2020-08-18 12:10:34,535 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 12:10:34,535 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-18 12:10:34,536 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534056752] [2020-08-18 12:10:34,537 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 12:10:34,538 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:10:34,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 12:10:34,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-18 12:10:34,539 INFO L87 Difference]: Start difference. First operand 1110 states and 1492 transitions. Second operand 7 states. [2020-08-18 12:10:35,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:10:35,874 INFO L93 Difference]: Finished difference Result 2677 states and 3751 transitions. [2020-08-18 12:10:35,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-18 12:10:35,875 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 142 [2020-08-18 12:10:35,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:10:35,889 INFO L225 Difference]: With dead ends: 2677 [2020-08-18 12:10:35,889 INFO L226 Difference]: Without dead ends: 1573 [2020-08-18 12:10:35,894 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-08-18 12:10:35,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1573 states. [2020-08-18 12:10:35,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1573 to 1120. [2020-08-18 12:10:35,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1120 states. [2020-08-18 12:10:35,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 1120 states and 1503 transitions. [2020-08-18 12:10:35,969 INFO L78 Accepts]: Start accepts. Automaton has 1120 states and 1503 transitions. Word has length 142 [2020-08-18 12:10:35,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:10:35,970 INFO L479 AbstractCegarLoop]: Abstraction has 1120 states and 1503 transitions. [2020-08-18 12:10:35,970 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 12:10:35,970 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1503 transitions. [2020-08-18 12:10:35,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-08-18 12:10:35,975 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:10:35,976 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 12:10:35,976 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 12:10:35,976 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:10:35,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:10:35,977 INFO L82 PathProgramCache]: Analyzing trace with hash 809347390, now seen corresponding path program 1 times [2020-08-18 12:10:35,977 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:10:35,977 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [527261969] [2020-08-18 12:10:35,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:10:36,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:10:36,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:10:36,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:10:36,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 12:10:36,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:10:36,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:10:36,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:10:36,292 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 52 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-18 12:10:36,293 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [527261969] [2020-08-18 12:10:36,293 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 12:10:36,293 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-18 12:10:36,293 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251056301] [2020-08-18 12:10:36,294 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 12:10:36,294 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:10:36,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 12:10:36,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-18 12:10:36,295 INFO L87 Difference]: Start difference. First operand 1120 states and 1503 transitions. Second operand 7 states. [2020-08-18 12:10:37,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:10:37,542 INFO L93 Difference]: Finished difference Result 2687 states and 3686 transitions. [2020-08-18 12:10:37,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-18 12:10:37,543 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 146 [2020-08-18 12:10:37,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:10:37,554 INFO L225 Difference]: With dead ends: 2687 [2020-08-18 12:10:37,555 INFO L226 Difference]: Without dead ends: 1573 [2020-08-18 12:10:37,559 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-18 12:10:37,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1573 states. [2020-08-18 12:10:37,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1573 to 1418. [2020-08-18 12:10:37,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1418 states. [2020-08-18 12:10:37,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1418 states to 1418 states and 1860 transitions. [2020-08-18 12:10:37,663 INFO L78 Accepts]: Start accepts. Automaton has 1418 states and 1860 transitions. Word has length 146 [2020-08-18 12:10:37,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:10:37,664 INFO L479 AbstractCegarLoop]: Abstraction has 1418 states and 1860 transitions. [2020-08-18 12:10:37,665 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 12:10:37,665 INFO L276 IsEmpty]: Start isEmpty. Operand 1418 states and 1860 transitions. [2020-08-18 12:10:37,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-08-18 12:10:37,673 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:10:37,673 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, 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] [2020-08-18 12:10:37,674 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 12:10:37,675 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:10:37,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:10:37,675 INFO L82 PathProgramCache]: Analyzing trace with hash 255910170, now seen corresponding path program 1 times [2020-08-18 12:10:37,675 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:10:37,676 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [915356613] [2020-08-18 12:10:37,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:10:37,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:10:37,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:10:37,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:10:37,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 12:10:37,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:10:37,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:10:37,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:10:37,932 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 59 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-08-18 12:10:37,933 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [915356613] [2020-08-18 12:10:37,934 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 12:10:37,934 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-18 12:10:37,935 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596342606] [2020-08-18 12:10:37,935 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 12:10:37,935 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:10:37,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 12:10:37,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 12:10:37,944 INFO L87 Difference]: Start difference. First operand 1418 states and 1860 transitions. Second operand 5 states. [2020-08-18 12:10:38,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:10:38,978 INFO L93 Difference]: Finished difference Result 2836 states and 3728 transitions. [2020-08-18 12:10:38,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 12:10:38,981 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 164 [2020-08-18 12:10:38,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:10:38,986 INFO L225 Difference]: With dead ends: 2836 [2020-08-18 12:10:38,987 INFO L226 Difference]: Without dead ends: 1424 [2020-08-18 12:10:38,990 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-18 12:10:38,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1424 states. [2020-08-18 12:10:39,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1424 to 1273. [2020-08-18 12:10:39,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1273 states. [2020-08-18 12:10:39,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1273 states to 1273 states and 1582 transitions. [2020-08-18 12:10:39,032 INFO L78 Accepts]: Start accepts. Automaton has 1273 states and 1582 transitions. Word has length 164 [2020-08-18 12:10:39,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:10:39,033 INFO L479 AbstractCegarLoop]: Abstraction has 1273 states and 1582 transitions. [2020-08-18 12:10:39,033 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 12:10:39,033 INFO L276 IsEmpty]: Start isEmpty. Operand 1273 states and 1582 transitions. [2020-08-18 12:10:39,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-08-18 12:10:39,038 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:10:39,038 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 12:10:39,038 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-18 12:10:39,038 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:10:39,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:10:39,039 INFO L82 PathProgramCache]: Analyzing trace with hash 1440991952, now seen corresponding path program 1 times [2020-08-18 12:10:39,039 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:10:39,039 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [246946635] [2020-08-18 12:10:39,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:10:39,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:10:39,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:10:39,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:10:39,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 12:10:39,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:10:39,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 12:10:39,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:10:39,328 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 65 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-18 12:10:39,328 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [246946635] [2020-08-18 12:10:39,329 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 12:10:39,329 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-18 12:10:39,329 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384777049] [2020-08-18 12:10:39,330 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 12:10:39,330 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:10:39,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 12:10:39,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-18 12:10:39,332 INFO L87 Difference]: Start difference. First operand 1273 states and 1582 transitions. Second operand 7 states. [2020-08-18 12:10:40,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:10:40,851 INFO L93 Difference]: Finished difference Result 3009 states and 3901 transitions. [2020-08-18 12:10:40,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 12:10:40,852 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 166 [2020-08-18 12:10:40,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:10:40,861 INFO L225 Difference]: With dead ends: 3009 [2020-08-18 12:10:40,862 INFO L226 Difference]: Without dead ends: 1742 [2020-08-18 12:10:40,865 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-18 12:10:40,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1742 states. [2020-08-18 12:10:40,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1742 to 1710. [2020-08-18 12:10:40,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1710 states. [2020-08-18 12:10:40,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1710 states to 1710 states and 2152 transitions. [2020-08-18 12:10:40,929 INFO L78 Accepts]: Start accepts. Automaton has 1710 states and 2152 transitions. Word has length 166 [2020-08-18 12:10:40,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:10:40,929 INFO L479 AbstractCegarLoop]: Abstraction has 1710 states and 2152 transitions. [2020-08-18 12:10:40,929 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 12:10:40,930 INFO L276 IsEmpty]: Start isEmpty. Operand 1710 states and 2152 transitions. [2020-08-18 12:10:40,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-08-18 12:10:40,936 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:10:40,936 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 12:10:40,937 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-18 12:10:40,937 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:10:40,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:10:40,938 INFO L82 PathProgramCache]: Analyzing trace with hash -553810399, now seen corresponding path program 1 times [2020-08-18 12:10:40,938 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:10:40,939 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [114892768] [2020-08-18 12:10:40,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:10:40,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:10:41,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:10:41,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:10:41,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 12:10:41,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:10:41,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-18 12:10:41,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:10:41,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-18 12:10:41,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:10:41,174 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 83 proven. 8 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-08-18 12:10:41,174 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [114892768] [2020-08-18 12:10:41,174 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 12:10:41,175 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-18 12:10:41,175 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061256904] [2020-08-18 12:10:41,176 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 12:10:41,176 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:10:41,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 12:10:41,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-18 12:10:41,178 INFO L87 Difference]: Start difference. First operand 1710 states and 2152 transitions. Second operand 7 states. [2020-08-18 12:10:42,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:10:42,854 INFO L93 Difference]: Finished difference Result 3839 states and 4836 transitions. [2020-08-18 12:10:42,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 12:10:42,855 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 182 [2020-08-18 12:10:42,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:10:42,870 INFO L225 Difference]: With dead ends: 3839 [2020-08-18 12:10:42,870 INFO L226 Difference]: Without dead ends: 2135 [2020-08-18 12:10:42,875 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-08-18 12:10:42,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2135 states. [2020-08-18 12:10:42,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2135 to 2121. [2020-08-18 12:10:42,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2121 states. [2020-08-18 12:10:42,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2121 states to 2121 states and 2605 transitions. [2020-08-18 12:10:42,977 INFO L78 Accepts]: Start accepts. Automaton has 2121 states and 2605 transitions. Word has length 182 [2020-08-18 12:10:42,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:10:42,978 INFO L479 AbstractCegarLoop]: Abstraction has 2121 states and 2605 transitions. [2020-08-18 12:10:42,978 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 12:10:42,978 INFO L276 IsEmpty]: Start isEmpty. Operand 2121 states and 2605 transitions. [2020-08-18 12:10:42,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-08-18 12:10:42,987 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:10:42,988 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 12:10:42,988 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-18 12:10:42,990 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:10:42,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:10:42,990 INFO L82 PathProgramCache]: Analyzing trace with hash -648776304, now seen corresponding path program 1 times [2020-08-18 12:10:42,993 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:10:42,993 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [598710337] [2020-08-18 12:10:42,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:10:43,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:10:43,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:10:43,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:10:43,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 12:10:43,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:10:43,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-18 12:10:43,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:10:43,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-18 12:10:43,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:10:43,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-08-18 12:10:43,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:10:43,254 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 108 proven. 26 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-08-18 12:10:43,254 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [598710337] [2020-08-18 12:10:43,255 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 12:10:43,255 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-18 12:10:43,260 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934532617] [2020-08-18 12:10:43,261 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 12:10:43,261 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:10:43,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 12:10:43,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-18 12:10:43,262 INFO L87 Difference]: Start difference. First operand 2121 states and 2605 transitions. Second operand 7 states. [2020-08-18 12:10:44,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:10:44,562 INFO L93 Difference]: Finished difference Result 4129 states and 5147 transitions. [2020-08-18 12:10:44,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-18 12:10:44,564 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 204 [2020-08-18 12:10:44,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:10:44,575 INFO L225 Difference]: With dead ends: 4129 [2020-08-18 12:10:44,575 INFO L226 Difference]: Without dead ends: 2149 [2020-08-18 12:10:44,581 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-18 12:10:44,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2149 states. [2020-08-18 12:10:44,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2149 to 1853. [2020-08-18 12:10:44,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1853 states. [2020-08-18 12:10:44,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1853 states to 1853 states and 2258 transitions. [2020-08-18 12:10:44,635 INFO L78 Accepts]: Start accepts. Automaton has 1853 states and 2258 transitions. Word has length 204 [2020-08-18 12:10:44,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:10:44,635 INFO L479 AbstractCegarLoop]: Abstraction has 1853 states and 2258 transitions. [2020-08-18 12:10:44,635 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 12:10:44,636 INFO L276 IsEmpty]: Start isEmpty. Operand 1853 states and 2258 transitions. [2020-08-18 12:10:44,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-08-18 12:10:44,641 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 12:10:44,642 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-08-18 12:10:44,642 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-18 12:10:44,642 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 12:10:44,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 12:10:44,643 INFO L82 PathProgramCache]: Analyzing trace with hash 188921879, now seen corresponding path program 1 times [2020-08-18 12:10:44,643 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 12:10:44,643 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [804343665] [2020-08-18 12:10:44,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 12:10:44,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:10:44,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 12:10:44,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:10:44,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-18 12:10:44,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:10:44,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 12:10:44,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:10:44,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-08-18 12:10:44,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 12:10:44,928 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 110 proven. 3 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-08-18 12:10:44,928 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [804343665] [2020-08-18 12:10:44,929 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 12:10:44,929 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-18 12:10:44,929 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073211224] [2020-08-18 12:10:44,930 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 12:10:44,930 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 12:10:44,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 12:10:44,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 12:10:44,931 INFO L87 Difference]: Start difference. First operand 1853 states and 2258 transitions. Second operand 5 states. [2020-08-18 12:10:45,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 12:10:45,948 INFO L93 Difference]: Finished difference Result 3567 states and 4370 transitions. [2020-08-18 12:10:45,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 12:10:45,953 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 216 [2020-08-18 12:10:45,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 12:10:45,954 INFO L225 Difference]: With dead ends: 3567 [2020-08-18 12:10:45,954 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 12:10:45,961 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-18 12:10:45,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 12:10:45,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 12:10:45,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 12:10:45,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 12:10:45,962 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 216 [2020-08-18 12:10:45,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 12:10:45,963 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 12:10:45,963 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 12:10:45,963 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 12:10:45,963 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 12:10:45,963 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-18 12:10:45,966 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 12:10:46,286 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 45 [2020-08-18 12:10:46,399 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 45 [2020-08-18 12:10:47,313 WARN L193 SmtUtils]: Spent 828.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 45 [2020-08-18 12:10:47,525 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 38 [2020-08-18 12:10:47,681 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 38 [2020-08-18 12:10:47,685 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 12:10:47,685 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= ~a7~0 |old(~a7~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~a16~0 |old(~a16~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-08-18 12:10:47,685 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 12:10:47,685 INFO L268 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2020-08-18 12:10:47,686 INFO L268 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2020-08-18 12:10:47,686 INFO L268 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:47,686 INFO L268 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:47,686 INFO L268 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:47,686 INFO L268 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:47,686 INFO L268 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:47,687 INFO L268 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:47,687 INFO L268 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2020-08-18 12:10:47,687 INFO L268 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2020-08-18 12:10:47,687 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-08-18 12:10:47,687 INFO L268 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2020-08-18 12:10:47,687 INFO L268 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2020-08-18 12:10:47,688 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-08-18 12:10:47,688 INFO L268 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2020-08-18 12:10:47,688 INFO L268 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2020-08-18 12:10:47,688 INFO L268 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2020-08-18 12:10:47,689 INFO L268 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2020-08-18 12:10:47,689 INFO L268 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:47,689 INFO L268 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:47,689 INFO L268 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:47,689 INFO L268 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:47,690 INFO L268 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:47,690 INFO L268 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:47,690 INFO L268 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2020-08-18 12:10:47,690 INFO L268 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2020-08-18 12:10:47,690 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-08-18 12:10:47,690 INFO L268 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2020-08-18 12:10:47,690 INFO L268 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2020-08-18 12:10:47,690 INFO L268 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2020-08-18 12:10:47,691 INFO L268 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2020-08-18 12:10:47,691 INFO L268 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2020-08-18 12:10:47,691 INFO L268 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2020-08-18 12:10:47,691 INFO L268 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2020-08-18 12:10:47,691 INFO L268 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2020-08-18 12:10:47,691 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 458) no Hoare annotation was computed. [2020-08-18 12:10:47,691 INFO L268 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2020-08-18 12:10:47,691 INFO L268 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2020-08-18 12:10:47,692 INFO L268 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2020-08-18 12:10:47,692 INFO L268 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2020-08-18 12:10:47,692 INFO L268 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:47,692 INFO L268 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:47,692 INFO L268 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:47,692 INFO L268 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:47,692 INFO L268 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:47,692 INFO L268 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2020-08-18 12:10:47,693 INFO L268 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2020-08-18 12:10:47,693 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-08-18 12:10:47,693 INFO L268 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2020-08-18 12:10:47,693 INFO L268 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2020-08-18 12:10:47,693 INFO L268 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2020-08-18 12:10:47,693 INFO L268 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2020-08-18 12:10:47,693 INFO L268 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2020-08-18 12:10:47,694 INFO L268 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2020-08-18 12:10:47,694 INFO L268 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:47,694 INFO L268 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:47,694 INFO L268 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:47,694 INFO L268 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:47,694 INFO L268 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:47,694 INFO L268 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2020-08-18 12:10:47,694 INFO L268 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2020-08-18 12:10:47,695 INFO L268 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2020-08-18 12:10:47,695 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-08-18 12:10:47,695 INFO L268 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2020-08-18 12:10:47,695 INFO L268 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2020-08-18 12:10:47,695 INFO L268 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2020-08-18 12:10:47,695 INFO L268 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2020-08-18 12:10:47,695 INFO L268 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2020-08-18 12:10:47,695 INFO L268 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2020-08-18 12:10:47,695 INFO L268 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2020-08-18 12:10:47,696 INFO L268 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2020-08-18 12:10:47,696 INFO L268 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2020-08-18 12:10:47,696 INFO L268 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:47,696 INFO L268 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:47,696 INFO L268 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:47,696 INFO L268 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:47,696 INFO L268 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:47,696 INFO L268 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2020-08-18 12:10:47,697 INFO L268 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2020-08-18 12:10:47,697 INFO L268 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2020-08-18 12:10:47,697 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-08-18 12:10:47,697 INFO L268 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2020-08-18 12:10:47,697 INFO L268 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2020-08-18 12:10:47,697 INFO L268 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2020-08-18 12:10:47,697 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-08-18 12:10:47,697 INFO L268 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2020-08-18 12:10:47,697 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:47,698 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:47,698 INFO L268 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:47,698 INFO L268 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:47,698 INFO L268 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:47,698 INFO L268 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:47,698 INFO L268 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2020-08-18 12:10:47,698 INFO L268 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:47,699 INFO L268 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2020-08-18 12:10:47,699 INFO L268 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2020-08-18 12:10:47,699 INFO L268 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2020-08-18 12:10:47,699 INFO L268 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2020-08-18 12:10:47,699 INFO L268 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2020-08-18 12:10:47,699 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-08-18 12:10:47,699 INFO L268 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2020-08-18 12:10:47,699 INFO L268 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2020-08-18 12:10:47,700 INFO L268 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2020-08-18 12:10:47,700 INFO L268 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2020-08-18 12:10:47,700 INFO L268 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2020-08-18 12:10:47,700 INFO L268 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2020-08-18 12:10:47,700 INFO L268 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2020-08-18 12:10:47,700 INFO L268 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:47,700 INFO L268 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:47,700 INFO L268 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:47,701 INFO L268 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:47,701 INFO L268 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:47,701 INFO L268 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2020-08-18 12:10:47,701 INFO L268 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2020-08-18 12:10:47,701 INFO L268 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2020-08-18 12:10:47,701 INFO L268 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2020-08-18 12:10:47,701 INFO L268 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2020-08-18 12:10:47,701 INFO L268 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2020-08-18 12:10:47,701 INFO L268 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2020-08-18 12:10:47,702 INFO L268 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2020-08-18 12:10:47,702 INFO L268 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:47,702 INFO L268 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:47,702 INFO L268 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:47,702 INFO L268 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:47,702 INFO L268 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:47,702 INFO L268 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2020-08-18 12:10:47,702 INFO L268 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2020-08-18 12:10:47,703 INFO L268 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2020-08-18 12:10:47,703 INFO L268 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2020-08-18 12:10:47,703 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-08-18 12:10:47,703 INFO L268 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2020-08-18 12:10:47,703 INFO L268 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2020-08-18 12:10:47,703 INFO L268 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2020-08-18 12:10:47,703 INFO L268 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2020-08-18 12:10:47,704 INFO L268 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2020-08-18 12:10:47,704 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse2 (= |old(~a21~0)| 1)) (.cse0 (not (<= |old(~a16~0)| 5))) (.cse1 (and (= ~a17~0 |old(~a17~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|)))) (and (or .cse0 .cse1 (= |old(~a17~0)| 1)) (or .cse0 .cse1 .cse2) (or (not (<= 15 |old(~a8~0)|)) .cse1 (not .cse2)) (or (= |old(~a8~0)| 13) .cse0 .cse1) (or (not (= |old(~a20~0)| 1)) .cse1))) [2020-08-18 12:10:47,704 INFO L268 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2020-08-18 12:10:47,704 INFO L268 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:47,704 INFO L268 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:47,704 INFO L268 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:47,705 INFO L268 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:47,705 INFO L268 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2020-08-18 12:10:47,705 INFO L268 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:47,705 INFO L268 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:47,705 INFO L268 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2020-08-18 12:10:47,705 INFO L268 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2020-08-18 12:10:47,705 INFO L268 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2020-08-18 12:10:47,705 INFO L268 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2020-08-18 12:10:47,705 INFO L268 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2020-08-18 12:10:47,706 INFO L268 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2020-08-18 12:10:47,706 INFO L268 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2020-08-18 12:10:47,706 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-08-18 12:10:47,706 INFO L268 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2020-08-18 12:10:47,706 INFO L268 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2020-08-18 12:10:47,706 INFO L268 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2020-08-18 12:10:47,706 INFO L268 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2020-08-18 12:10:47,706 INFO L268 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:47,707 INFO L268 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:47,707 INFO L268 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:47,707 INFO L268 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:47,707 INFO L268 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:47,707 INFO L268 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2020-08-18 12:10:47,707 INFO L268 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:47,707 INFO L268 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2020-08-18 12:10:47,708 INFO L268 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2020-08-18 12:10:47,708 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-08-18 12:10:47,708 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-08-18 12:10:47,708 INFO L268 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2020-08-18 12:10:47,708 INFO L268 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2020-08-18 12:10:47,708 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-08-18 12:10:47,708 INFO L268 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2020-08-18 12:10:47,708 INFO L268 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2020-08-18 12:10:47,709 INFO L268 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2020-08-18 12:10:47,709 INFO L268 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2020-08-18 12:10:47,709 INFO L268 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2020-08-18 12:10:47,709 INFO L268 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2020-08-18 12:10:47,709 INFO L268 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2020-08-18 12:10:47,709 INFO L268 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:47,709 INFO L268 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:47,709 INFO L268 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:47,710 INFO L268 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:47,710 INFO L268 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:47,710 INFO L268 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2020-08-18 12:10:47,710 INFO L268 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2020-08-18 12:10:47,710 INFO L268 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2020-08-18 12:10:47,710 INFO L268 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2020-08-18 12:10:47,710 INFO L268 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2020-08-18 12:10:47,710 INFO L268 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2020-08-18 12:10:47,710 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-08-18 12:10:47,711 INFO L268 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2020-08-18 12:10:47,711 INFO L268 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2020-08-18 12:10:47,711 INFO L268 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2020-08-18 12:10:47,711 INFO L268 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2020-08-18 12:10:47,711 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 12:10:47,711 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a21~0 1) (= ~a20~0 1) (= 5 ~a16~0) (<= 15 ~a8~0) (= ~a17~0 1)) [2020-08-18 12:10:47,711 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 12:10:47,711 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 12:10:47,712 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= |old(~a17~0)| 1)) (and (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 1) (= ~a20~0 |old(~a20~0)|) (= ~a8~0 |old(~a8~0)|) (= 5 ~a16~0)) (not (<= 15 |old(~a8~0)|)) (not (= |old(~a20~0)| 1)) (not (= 5 |old(~a16~0)|)) (not (= |old(~a21~0)| 1))) [2020-08-18 12:10:47,712 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2020-08-18 12:10:47,712 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (let ((.cse1 (<= ~a16~0 5)) (.cse0 (= ~a21~0 1))) (or (not (= |old(~a17~0)| 1)) (and .cse0 (<= 15 ~a8~0)) (and .cse1 (not (= ~a8~0 13))) (and .cse1 (not (= ~a17~0 1))) (not (<= 15 |old(~a8~0)|)) (and .cse1 (not .cse0)) (not (= |old(~a20~0)| 1)) (= ~a20~0 1) (not (= 5 |old(~a16~0)|)) (not (= |old(~a21~0)| 1)))) [2020-08-18 12:10:47,712 INFO L268 CegarLoopResult]: For program point L591-1(line 591) no Hoare annotation was computed. [2020-08-18 12:10:47,712 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-08-18 12:10:47,712 INFO L264 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse1 (<= ~a16~0 5)) (.cse0 (= ~a21~0 1))) (or (not (= |old(~a17~0)| 1)) (and .cse0 (<= 15 ~a8~0)) (and .cse1 (not (= ~a8~0 13))) (and .cse1 (not (= ~a17~0 1))) (not (<= 15 |old(~a8~0)|)) (and .cse1 (not .cse0)) (not (= |old(~a20~0)| 1)) (= ~a20~0 1) (not (= 5 |old(~a16~0)|)) (not (= |old(~a21~0)| 1)))) [2020-08-18 12:10:47,713 INFO L268 CegarLoopResult]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2020-08-18 12:10:47,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 12:10:47 BoogieIcfgContainer [2020-08-18 12:10:47,731 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 12:10:47,734 INFO L168 Benchmark]: Toolchain (without parser) took 21821.86 ms. Allocated memory was 139.5 MB in the beginning and 526.9 MB in the end (delta: 387.4 MB). Free memory was 101.5 MB in the beginning and 149.4 MB in the end (delta: -47.8 MB). Peak memory consumption was 360.4 MB. Max. memory is 7.1 GB. [2020-08-18 12:10:47,735 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-08-18 12:10:47,735 INFO L168 Benchmark]: CACSL2BoogieTranslator took 783.73 ms. Allocated memory was 139.5 MB in the beginning and 204.5 MB in the end (delta: 65.0 MB). Free memory was 101.3 MB in the beginning and 170.4 MB in the end (delta: -69.1 MB). Peak memory consumption was 35.3 MB. Max. memory is 7.1 GB. [2020-08-18 12:10:47,736 INFO L168 Benchmark]: Boogie Preprocessor took 135.18 ms. Allocated memory is still 204.5 MB. Free memory was 170.4 MB in the beginning and 165.5 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-08-18 12:10:47,737 INFO L168 Benchmark]: RCFGBuilder took 1350.00 ms. Allocated memory was 204.5 MB in the beginning and 237.0 MB in the end (delta: 32.5 MB). Free memory was 165.5 MB in the beginning and 180.8 MB in the end (delta: -15.3 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. [2020-08-18 12:10:47,738 INFO L168 Benchmark]: TraceAbstraction took 19544.84 ms. Allocated memory was 237.0 MB in the beginning and 526.9 MB in the end (delta: 289.9 MB). Free memory was 179.3 MB in the beginning and 149.4 MB in the end (delta: 29.9 MB). Peak memory consumption was 340.6 MB. Max. memory is 7.1 GB. [2020-08-18 12:10:47,741 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 783.73 ms. Allocated memory was 139.5 MB in the beginning and 204.5 MB in the end (delta: 65.0 MB). Free memory was 101.3 MB in the beginning and 170.4 MB in the end (delta: -69.1 MB). Peak memory consumption was 35.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 135.18 ms. Allocated memory is still 204.5 MB. Free memory was 170.4 MB in the beginning and 165.5 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1350.00 ms. Allocated memory was 204.5 MB in the beginning and 237.0 MB in the end (delta: 32.5 MB). Free memory was 165.5 MB in the beginning and 180.8 MB in the end (delta: -15.3 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 19544.84 ms. Allocated memory was 237.0 MB in the beginning and 526.9 MB in the end (delta: 289.9 MB). Free memory was 179.3 MB in the beginning and 149.4 MB in the end (delta: 29.9 MB). Peak memory consumption was 340.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 458]: 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: ((((((((!(\old(a17) == 1) || (a21 == 1 && 15 <= a8)) || (a16 <= 5 && !(a8 == 13))) || (a16 <= 5 && !(a17 == 1))) || !(15 <= \old(a8))) || (a16 <= 5 && !(a21 == 1))) || !(\old(a20) == 1)) || a20 == 1) || !(5 == \old(a16))) || !(\old(a21) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 17.7s, OverallIterations: 10, TraceHistogramMax: 5, AutomataDifference: 13.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 264 SDtfs, 4082 SDslu, 355 SDs, 0 SdLazy, 7246 SolverSat, 1319 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 158 GetRequests, 81 SyntacticMatches, 2 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2121occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 10 MinimizatonAttempts, 1272 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 101 PreInvPairs, 127 NumberOfFragments, 359 HoareAnnotationTreeSize, 101 FomulaSimplifications, 241462 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2229 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 1541 NumberOfCodeBlocks, 1541 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1531 ConstructedInterpolants, 0 QuantifiedInterpolants, 648794 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 2 PerfectInterpolantSequences, 666/712 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...