/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 false -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label40.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 13:22:18,580 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 13:22:18,583 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 13:22:18,612 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 13:22:18,612 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 13:22:18,613 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 13:22:18,615 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 13:22:18,616 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 13:22:18,618 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 13:22:18,619 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 13:22:18,620 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 13:22:18,621 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 13:22:18,622 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 13:22:18,623 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 13:22:18,624 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 13:22:18,625 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 13:22:18,626 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 13:22:18,626 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 13:22:18,628 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 13:22:18,631 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 13:22:18,632 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 13:22:18,633 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 13:22:18,635 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 13:22:18,636 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 13:22:18,639 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-21 13:22:18,648 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 13:22:18,649 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 13:22:18,652 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 13:22:18,653 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 [2020-08-21 13:22:18,676 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 13:22:18,676 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 13:22:18,677 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 13:22:18,678 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 13:22:18,678 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 13:22:18,678 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 13:22:18,678 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 13:22:18,679 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 13:22:18,679 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 13:22:18,679 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 13:22:18,679 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 13:22:18,679 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 13:22:18,679 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 13:22:18,680 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 13:22:18,680 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 13:22:18,680 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 13:22:18,680 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 13:22:18,680 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 13:22:18,681 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 13:22:18,681 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 13:22:18,681 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 13:22:18,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 13:22:18,681 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 13:22:18,682 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 13:22:18,682 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 13:22:18,682 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 13:22:18,682 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 13:22:18,682 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 13:22:18,683 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 13:22:18,683 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 -> false [2020-08-21 13:22:18,979 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 13:22:18,991 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 13:22:18,995 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 13:22:18,997 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 13:22:18,997 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 13:22:18,998 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label40.c [2020-08-21 13:22:19,069 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/af5d1ad54/eea3cf6a86ac4271988385f961b27ff5/FLAG088d0517a [2020-08-21 13:22:19,645 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 13:22:19,646 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem02_label40.c [2020-08-21 13:22:19,660 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/af5d1ad54/eea3cf6a86ac4271988385f961b27ff5/FLAG088d0517a [2020-08-21 13:22:19,923 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/af5d1ad54/eea3cf6a86ac4271988385f961b27ff5 [2020-08-21 13:22:19,934 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 13:22:19,936 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 13:22:19,939 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 13:22:19,939 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 13:22:19,943 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 13:22:19,944 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 01:22:19" (1/1) ... [2020-08-21 13:22:19,947 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4207e6a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:22:19, skipping insertion in model container [2020-08-21 13:22:19,947 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 01:22:19" (1/1) ... [2020-08-21 13:22:19,955 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 13:22:20,000 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 13:22:20,516 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 13:22:20,521 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 13:22:20,655 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 13:22:20,694 INFO L208 MainTranslator]: Completed translation [2020-08-21 13:22:20,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:22:20 WrapperNode [2020-08-21 13:22:20,695 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 13:22:20,699 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 13:22:20,699 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 13:22:20,699 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 13:22:20,717 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:22:20" (1/1) ... [2020-08-21 13:22:20,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:22:20" (1/1) ... [2020-08-21 13:22:20,762 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:22:20" (1/1) ... [2020-08-21 13:22:20,763 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:22:20" (1/1) ... [2020-08-21 13:22:20,832 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:22:20" (1/1) ... [2020-08-21 13:22:20,853 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:22:20" (1/1) ... [2020-08-21 13:22:20,863 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:22:20" (1/1) ... [2020-08-21 13:22:20,870 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 13:22:20,870 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 13:22:20,871 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 13:22:20,871 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 13:22:20,872 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:22:20" (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 [2020-08-21 13:22:20,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 13:22:20,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 13:22:20,951 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-21 13:22:20,952 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 13:22:20,952 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-21 13:22:20,952 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 13:22:20,953 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 13:22:20,954 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-21 13:22:20,954 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 13:22:20,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 13:22:20,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 13:22:22,118 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 13:22:22,121 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-21 13:22:22,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 01:22:22 BoogieIcfgContainer [2020-08-21 13:22:22,132 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 13:22:22,137 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 13:22:22,137 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 13:22:22,141 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 13:22:22,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 01:22:19" (1/3) ... [2020-08-21 13:22:22,143 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6110c74c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 01:22:22, skipping insertion in model container [2020-08-21 13:22:22,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:22:20" (2/3) ... [2020-08-21 13:22:22,144 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6110c74c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 01:22:22, skipping insertion in model container [2020-08-21 13:22:22,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 01:22:22" (3/3) ... [2020-08-21 13:22:22,146 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label40.c [2020-08-21 13:22:22,154 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 13:22:22,162 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 13:22:22,174 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 13:22:22,201 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 13:22:22,201 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 13:22:22,201 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 13:22:22,202 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 13:22:22,202 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 13:22:22,202 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 13:22:22,202 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 13:22:22,202 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 13:22:22,226 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-08-21 13:22:22,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-08-21 13:22:22,237 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:22:22,238 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] [2020-08-21 13:22:22,239 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:22:22,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:22:22,245 INFO L82 PathProgramCache]: Analyzing trace with hash -1033095319, now seen corresponding path program 1 times [2020-08-21 13:22:22,252 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:22:22,253 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [563822933] [2020-08-21 13:22:22,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:22:22,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:22:22,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:22:22,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:22:22,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 13:22:22,828 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [563822933] [2020-08-21 13:22:22,830 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 13:22:22,830 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-21 13:22:22,831 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271421065] [2020-08-21 13:22:22,837 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-21 13:22:22,837 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:22:22,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-21 13:22:22,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-21 13:22:22,855 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 4 states. [2020-08-21 13:22:24,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:22:24,457 INFO L93 Difference]: Finished difference Result 644 states and 1094 transitions. [2020-08-21 13:22:24,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 13:22:24,459 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 95 [2020-08-21 13:22:24,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:22:24,477 INFO L225 Difference]: With dead ends: 644 [2020-08-21 13:22:24,477 INFO L226 Difference]: Without dead ends: 334 [2020-08-21 13:22:24,486 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-21 13:22:24,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2020-08-21 13:22:24,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 327. [2020-08-21 13:22:24,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2020-08-21 13:22:24,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 478 transitions. [2020-08-21 13:22:24,575 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 478 transitions. Word has length 95 [2020-08-21 13:22:24,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:22:24,576 INFO L479 AbstractCegarLoop]: Abstraction has 327 states and 478 transitions. [2020-08-21 13:22:24,576 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-21 13:22:24,576 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 478 transitions. [2020-08-21 13:22:24,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-08-21 13:22:24,583 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:22:24,583 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 13:22:24,584 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 13:22:24,584 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:22:24,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:22:24,584 INFO L82 PathProgramCache]: Analyzing trace with hash -377311506, now seen corresponding path program 1 times [2020-08-21 13:22:24,585 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:22:24,585 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [458899148] [2020-08-21 13:22:24,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:22:24,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:22:24,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:22:24,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:22:24,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 13:22:24,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:22:24,848 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 13:22:24,848 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [458899148] [2020-08-21 13:22:24,849 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 13:22:24,849 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-21 13:22:24,849 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537123121] [2020-08-21 13:22:24,851 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 13:22:24,851 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:22:24,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 13:22:24,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 13:22:24,852 INFO L87 Difference]: Start difference. First operand 327 states and 478 transitions. Second operand 5 states. [2020-08-21 13:22:26,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:22:26,230 INFO L93 Difference]: Finished difference Result 966 states and 1447 transitions. [2020-08-21 13:22:26,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 13:22:26,232 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 103 [2020-08-21 13:22:26,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:22:26,239 INFO L225 Difference]: With dead ends: 966 [2020-08-21 13:22:26,239 INFO L226 Difference]: Without dead ends: 645 [2020-08-21 13:22:26,242 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-21 13:22:26,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2020-08-21 13:22:26,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 627. [2020-08-21 13:22:26,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 627 states. [2020-08-21 13:22:26,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 880 transitions. [2020-08-21 13:22:26,296 INFO L78 Accepts]: Start accepts. Automaton has 627 states and 880 transitions. Word has length 103 [2020-08-21 13:22:26,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:22:26,297 INFO L479 AbstractCegarLoop]: Abstraction has 627 states and 880 transitions. [2020-08-21 13:22:26,297 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 13:22:26,297 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 880 transitions. [2020-08-21 13:22:26,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-08-21 13:22:26,306 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:22:26,307 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 13:22:26,307 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 13:22:26,307 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:22:26,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:22:26,308 INFO L82 PathProgramCache]: Analyzing trace with hash 605048457, now seen corresponding path program 1 times [2020-08-21 13:22:26,308 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:22:26,309 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [32260923] [2020-08-21 13:22:26,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:22:26,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:22:26,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:22:26,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:22:26,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 13:22:26,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:22:26,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-21 13:22:26,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:22:26,521 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-21 13:22:26,521 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [32260923] [2020-08-21 13:22:26,522 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 13:22:26,522 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 13:22:26,522 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401671457] [2020-08-21 13:22:26,523 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 13:22:26,523 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:22:26,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 13:22:26,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-21 13:22:26,524 INFO L87 Difference]: Start difference. First operand 627 states and 880 transitions. Second operand 7 states. [2020-08-21 13:22:28,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:22:28,794 INFO L93 Difference]: Finished difference Result 2436 states and 3536 transitions. [2020-08-21 13:22:28,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 13:22:28,795 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 124 [2020-08-21 13:22:28,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:22:28,804 INFO L225 Difference]: With dead ends: 2436 [2020-08-21 13:22:28,804 INFO L226 Difference]: Without dead ends: 1521 [2020-08-21 13:22:28,807 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-21 13:22:28,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1521 states. [2020-08-21 13:22:28,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1521 to 1511. [2020-08-21 13:22:28,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1511 states. [2020-08-21 13:22:28,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1511 states to 1511 states and 2004 transitions. [2020-08-21 13:22:28,871 INFO L78 Accepts]: Start accepts. Automaton has 1511 states and 2004 transitions. Word has length 124 [2020-08-21 13:22:28,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:22:28,871 INFO L479 AbstractCegarLoop]: Abstraction has 1511 states and 2004 transitions. [2020-08-21 13:22:28,871 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 13:22:28,872 INFO L276 IsEmpty]: Start isEmpty. Operand 1511 states and 2004 transitions. [2020-08-21 13:22:28,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-08-21 13:22:28,881 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:22:28,882 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 13:22:28,882 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 13:22:28,882 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:22:28,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:22:28,883 INFO L82 PathProgramCache]: Analyzing trace with hash 705967222, now seen corresponding path program 1 times [2020-08-21 13:22:28,883 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:22:28,884 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1257108484] [2020-08-21 13:22:28,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:22:28,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:22:28,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:22:29,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:22:29,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 13:22:29,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:22:29,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-21 13:22:29,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:22:29,095 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 27 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-08-21 13:22:29,095 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1257108484] [2020-08-21 13:22:29,097 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 13:22:29,097 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-21 13:22:29,098 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925075883] [2020-08-21 13:22:29,099 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 13:22:29,099 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:22:29,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 13:22:29,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-08-21 13:22:29,100 INFO L87 Difference]: Start difference. First operand 1511 states and 2004 transitions. Second operand 9 states. [2020-08-21 13:22:30,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:22:30,404 INFO L93 Difference]: Finished difference Result 2853 states and 3716 transitions. [2020-08-21 13:22:30,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-21 13:22:30,405 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 126 [2020-08-21 13:22:30,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:22:30,415 INFO L225 Difference]: With dead ends: 2853 [2020-08-21 13:22:30,415 INFO L226 Difference]: Without dead ends: 1058 [2020-08-21 13:22:30,422 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2020-08-21 13:22:30,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1058 states. [2020-08-21 13:22:30,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1058 to 457. [2020-08-21 13:22:30,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 457 states. [2020-08-21 13:22:30,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 536 transitions. [2020-08-21 13:22:30,472 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 536 transitions. Word has length 126 [2020-08-21 13:22:30,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:22:30,473 INFO L479 AbstractCegarLoop]: Abstraction has 457 states and 536 transitions. [2020-08-21 13:22:30,473 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 13:22:30,474 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 536 transitions. [2020-08-21 13:22:30,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-08-21 13:22:30,484 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:22:30,485 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-21 13:22:30,485 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 13:22:30,485 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:22:30,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:22:30,486 INFO L82 PathProgramCache]: Analyzing trace with hash -156169652, now seen corresponding path program 1 times [2020-08-21 13:22:30,486 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:22:30,487 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [211827810] [2020-08-21 13:22:30,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:22:30,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:22:30,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:22:30,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:22:30,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 13:22:30,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:22:30,726 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 13:22:30,727 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [211827810] [2020-08-21 13:22:30,727 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 13:22:30,727 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-21 13:22:30,728 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934437960] [2020-08-21 13:22:30,728 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 13:22:30,728 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:22:30,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 13:22:30,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-21 13:22:30,729 INFO L87 Difference]: Start difference. First operand 457 states and 536 transitions. Second operand 8 states. [2020-08-21 13:22:32,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:22:32,334 INFO L93 Difference]: Finished difference Result 1371 states and 1680 transitions. [2020-08-21 13:22:32,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-21 13:22:32,335 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 164 [2020-08-21 13:22:32,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:22:32,340 INFO L225 Difference]: With dead ends: 1371 [2020-08-21 13:22:32,341 INFO L226 Difference]: Without dead ends: 920 [2020-08-21 13:22:32,343 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2020-08-21 13:22:32,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 920 states. [2020-08-21 13:22:32,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 920 to 907. [2020-08-21 13:22:32,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 907 states. [2020-08-21 13:22:32,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 907 states and 1030 transitions. [2020-08-21 13:22:32,371 INFO L78 Accepts]: Start accepts. Automaton has 907 states and 1030 transitions. Word has length 164 [2020-08-21 13:22:32,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:22:32,372 INFO L479 AbstractCegarLoop]: Abstraction has 907 states and 1030 transitions. [2020-08-21 13:22:32,372 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 13:22:32,372 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1030 transitions. [2020-08-21 13:22:32,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-08-21 13:22:32,375 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:22:32,376 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-21 13:22:32,376 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 13:22:32,376 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:22:32,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:22:32,377 INFO L82 PathProgramCache]: Analyzing trace with hash -2073036365, now seen corresponding path program 1 times [2020-08-21 13:22:32,377 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:22:32,378 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1997207244] [2020-08-21 13:22:32,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:22:32,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:22:32,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:22:32,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:22:32,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 13:22:32,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:22:32,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-21 13:22:32,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:22:32,591 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 77 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-21 13:22:32,592 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1997207244] [2020-08-21 13:22:32,593 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 13:22:32,593 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 13:22:32,593 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482251250] [2020-08-21 13:22:32,594 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 13:22:32,594 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:22:32,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 13:22:32,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-21 13:22:32,605 INFO L87 Difference]: Start difference. First operand 907 states and 1030 transitions. Second operand 7 states. [2020-08-21 13:22:33,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:22:33,772 INFO L93 Difference]: Finished difference Result 2419 states and 2845 transitions. [2020-08-21 13:22:33,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 13:22:33,773 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 174 [2020-08-21 13:22:33,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:22:33,782 INFO L225 Difference]: With dead ends: 2419 [2020-08-21 13:22:33,783 INFO L226 Difference]: Without dead ends: 1370 [2020-08-21 13:22:33,786 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-21 13:22:33,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1370 states. [2020-08-21 13:22:33,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1370 to 1348. [2020-08-21 13:22:33,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1348 states. [2020-08-21 13:22:33,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1348 states to 1348 states and 1515 transitions. [2020-08-21 13:22:33,835 INFO L78 Accepts]: Start accepts. Automaton has 1348 states and 1515 transitions. Word has length 174 [2020-08-21 13:22:33,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:22:33,836 INFO L479 AbstractCegarLoop]: Abstraction has 1348 states and 1515 transitions. [2020-08-21 13:22:33,836 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 13:22:33,836 INFO L276 IsEmpty]: Start isEmpty. Operand 1348 states and 1515 transitions. [2020-08-21 13:22:33,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-08-21 13:22:33,841 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:22:33,841 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-08-21 13:22:33,842 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-21 13:22:33,842 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:22:33,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:22:33,843 INFO L82 PathProgramCache]: Analyzing trace with hash -1555440331, now seen corresponding path program 1 times [2020-08-21 13:22:33,843 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:22:33,844 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [8855258] [2020-08-21 13:22:33,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:22:33,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:22:34,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:22:34,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:22:34,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-21 13:22:34,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:22:34,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-08-21 13:22:34,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:22:34,141 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 74 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-08-21 13:22:34,141 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [8855258] [2020-08-21 13:22:34,142 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 13:22:34,142 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-21 13:22:34,142 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615638397] [2020-08-21 13:22:34,143 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 13:22:34,143 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:22:34,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 13:22:34,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-08-21 13:22:34,144 INFO L87 Difference]: Start difference. First operand 1348 states and 1515 transitions. Second operand 8 states. [2020-08-21 13:22:36,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:22:36,823 INFO L93 Difference]: Finished difference Result 3131 states and 3547 transitions. [2020-08-21 13:22:36,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-21 13:22:36,824 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 177 [2020-08-21 13:22:36,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:22:36,825 INFO L225 Difference]: With dead ends: 3131 [2020-08-21 13:22:36,825 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 13:22:36,830 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-08-21 13:22:36,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 13:22:36,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 13:22:36,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 13:22:36,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 13:22:36,832 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 177 [2020-08-21 13:22:36,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:22:36,832 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 13:22:36,832 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 13:22:36,833 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 13:22:36,833 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 13:22:36,833 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-21 13:22:36,836 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 13:22:37,210 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 120 [2020-08-21 13:22:37,411 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 120 [2020-08-21 13:22:38,456 WARN L193 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 55 [2020-08-21 13:22:38,978 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 54 [2020-08-21 13:22:39,444 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 54 [2020-08-21 13:22:39,448 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 13:22:39,449 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~z~0 |old(~z~0)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~a~0 |old(~a~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= ~y~0 |old(~y~0)|) (= ~v~0 |old(~v~0)|)) [2020-08-21 13:22:39,449 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 13:22:39,449 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:39,450 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:39,450 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:39,450 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:39,450 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:39,450 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-08-21 13:22:39,450 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-08-21 13:22:39,450 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-08-21 13:22:39,451 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-08-21 13:22:39,451 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-08-21 13:22:39,451 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-08-21 13:22:39,451 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-08-21 13:22:39,451 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-08-21 13:22:39,451 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-08-21 13:22:39,451 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-08-21 13:22:39,452 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-08-21 13:22:39,452 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-08-21 13:22:39,452 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-08-21 13:22:39,452 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:39,452 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:39,452 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:39,452 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:39,453 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-08-21 13:22:39,453 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:39,453 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-08-21 13:22:39,453 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-08-21 13:22:39,453 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-08-21 13:22:39,453 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-08-21 13:22:39,453 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-08-21 13:22:39,454 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-08-21 13:22:39,454 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-08-21 13:22:39,454 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-08-21 13:22:39,454 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-08-21 13:22:39,454 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-08-21 13:22:39,454 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-08-21 13:22:39,454 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-08-21 13:22:39,454 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-08-21 13:22:39,455 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-08-21 13:22:39,455 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-08-21 13:22:39,455 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:39,455 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:39,455 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:39,455 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:39,455 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:39,456 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 439) no Hoare annotation was computed. [2020-08-21 13:22:39,456 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-08-21 13:22:39,456 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-08-21 13:22:39,456 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-08-21 13:22:39,456 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-08-21 13:22:39,456 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-08-21 13:22:39,457 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-08-21 13:22:39,457 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-08-21 13:22:39,457 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-08-21 13:22:39,457 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-08-21 13:22:39,457 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-08-21 13:22:39,457 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-08-21 13:22:39,457 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:39,458 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:39,458 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:39,458 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:39,458 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:39,458 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-08-21 13:22:39,458 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-08-21 13:22:39,458 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-08-21 13:22:39,458 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-08-21 13:22:39,459 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-08-21 13:22:39,459 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-08-21 13:22:39,459 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-08-21 13:22:39,459 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-08-21 13:22:39,459 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-08-21 13:22:39,459 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-08-21 13:22:39,459 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-08-21 13:22:39,460 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-08-21 13:22:39,460 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-08-21 13:22:39,460 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:39,460 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:39,460 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:39,460 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:39,460 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:39,461 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-08-21 13:22:39,461 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-08-21 13:22:39,461 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-08-21 13:22:39,461 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-08-21 13:22:39,461 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-08-21 13:22:39,461 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-08-21 13:22:39,461 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-08-21 13:22:39,461 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-08-21 13:22:39,462 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-08-21 13:22:39,462 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-08-21 13:22:39,462 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-08-21 13:22:39,462 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-08-21 13:22:39,462 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-08-21 13:22:39,462 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-08-21 13:22:39,462 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-08-21 13:22:39,462 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-08-21 13:22:39,463 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:39,463 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:39,463 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:39,463 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:39,463 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-08-21 13:22:39,463 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:39,463 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-08-21 13:22:39,464 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:39,464 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-08-21 13:22:39,464 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-08-21 13:22:39,464 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-08-21 13:22:39,464 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:39,464 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:39,464 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-08-21 13:22:39,464 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-08-21 13:22:39,465 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-08-21 13:22:39,465 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-08-21 13:22:39,465 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-08-21 13:22:39,465 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-08-21 13:22:39,465 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-08-21 13:22:39,465 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-08-21 13:22:39,465 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-08-21 13:22:39,465 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-08-21 13:22:39,466 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-08-21 13:22:39,466 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:39,466 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:39,466 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:39,466 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:39,466 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:39,466 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:39,466 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-08-21 13:22:39,467 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-08-21 13:22:39,467 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-08-21 13:22:39,467 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-08-21 13:22:39,467 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-08-21 13:22:39,467 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-08-21 13:22:39,467 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-08-21 13:22:39,467 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-08-21 13:22:39,467 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-08-21 13:22:39,468 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-08-21 13:22:39,468 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-08-21 13:22:39,468 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:39,468 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:39,468 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:39,468 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:39,468 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:39,468 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:39,469 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-08-21 13:22:39,469 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-08-21 13:22:39,469 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-08-21 13:22:39,469 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-08-21 13:22:39,469 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-08-21 13:22:39,469 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-08-21 13:22:39,469 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-08-21 13:22:39,469 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-08-21 13:22:39,470 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-08-21 13:22:39,470 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-08-21 13:22:39,470 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-08-21 13:22:39,470 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-08-21 13:22:39,470 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-08-21 13:22:39,470 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-08-21 13:22:39,470 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:39,470 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:39,470 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:39,471 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse16 (= |old(~a11~0)| 1)) (.cse13 (not (= 8 |old(~a17~0)|))) (.cse15 (= |old(~a11~0)| |old(~a19~0)|)) (.cse2 (= ~a28~0 |old(~a28~0)|)) (.cse4 (= ~a11~0 |old(~a11~0)|)) (.cse14 (= ~a25~0 |old(~a25~0)|)) (.cse12 (= ~a17~0 8)) (.cse6 (= ~a19~0 |old(~a19~0)|))) (let ((.cse0 (not (= |old(~a25~0)| 1))) (.cse8 (not (= |old(~a19~0)| 1))) (.cse5 (= ~a25~0 1)) (.cse9 (and .cse2 .cse4 .cse14 .cse12 .cse6)) (.cse11 (and (or .cse13 .cse16) (or .cse13 .cse15))) (.cse1 (not (<= |old(~a17~0)| 8))) (.cse10 (= 11 |old(~a28~0)|)) (.cse3 (= ~a17~0 |old(~a17~0)|)) (.cse7 (not .cse16))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5 .cse6) .cse7) (or .cse8 .cse9 .cse10 .cse11) (or .cse0 .cse8 (and .cse2 .cse4 .cse12 .cse5 .cse6) .cse13) (or .cse9 .cse10 (= 9 |old(~a28~0)|) .cse11) (or .cse1 .cse10 (and .cse2 .cse3 .cse14 (= ~a11~0 1) .cse6) .cse7 (not (<= 9 |old(~a28~0)|))) (or (and .cse2 .cse3 .cse4 .cse14 .cse6) .cse15 .cse7)))) [2020-08-21 13:22:39,471 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:39,471 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:39,471 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:39,471 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-08-21 13:22:39,472 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-08-21 13:22:39,472 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-08-21 13:22:39,472 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-08-21 13:22:39,472 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-08-21 13:22:39,472 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-08-21 13:22:39,472 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-08-21 13:22:39,472 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-08-21 13:22:39,472 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-08-21 13:22:39,473 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-08-21 13:22:39,473 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-08-21 13:22:39,473 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-08-21 13:22:39,473 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-08-21 13:22:39,473 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:39,473 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:39,473 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:39,474 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:39,474 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:39,474 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:39,474 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-08-21 13:22:39,474 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-08-21 13:22:39,474 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-08-21 13:22:39,474 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-08-21 13:22:39,475 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-08-21 13:22:39,475 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-08-21 13:22:39,475 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-08-21 13:22:39,475 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-08-21 13:22:39,475 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-08-21 13:22:39,475 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-08-21 13:22:39,475 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-08-21 13:22:39,476 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-08-21 13:22:39,476 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-08-21 13:22:39,476 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-08-21 13:22:39,476 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-08-21 13:22:39,476 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-08-21 13:22:39,476 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:39,476 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:39,477 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:39,477 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:39,477 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-08-21 13:22:39,477 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-08-21 13:22:39,477 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-08-21 13:22:39,477 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-08-21 13:22:39,477 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-08-21 13:22:39,478 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-08-21 13:22:39,478 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-08-21 13:22:39,478 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-08-21 13:22:39,478 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-08-21 13:22:39,478 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-08-21 13:22:39,478 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-08-21 13:22:39,478 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-08-21 13:22:39,478 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-08-21 13:22:39,478 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-08-21 13:22:39,479 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-08-21 13:22:39,479 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-08-21 13:22:39,479 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-08-21 13:22:39,479 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-08-21 13:22:39,479 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-08-21 13:22:39,479 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-08-21 13:22:39,479 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 13:22:39,479 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a19~0 1) (= ~a17~0 8) (not (= ~a11~0 ~a19~0)) (<= ~a28~0 7)) [2020-08-21 13:22:39,480 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 13:22:39,480 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 13:22:39,480 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (not (= |old(~a19~0)| 1)) (and (= ~a28~0 |old(~a28~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a17~0 8) (= ~a19~0 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (= |old(~a11~0)| |old(~a19~0)|)) [2020-08-21 13:22:39,480 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse7 (= ~a11~0 |old(~a11~0)|)) (.cse8 (= ~a17~0 8)) (.cse6 (not (= ~a11~0 ~a19~0)))) (let ((.cse3 (let ((.cse9 (= ~a17~0 |old(~a17~0)|))) (or (and .cse9 .cse7 .cse8 (not (= |old(~a11~0)| 1))) (and (= ~a28~0 |old(~a28~0)|) .cse9 .cse7 (= ~a25~0 |old(~a25~0)|) .cse8 .cse6 (= ~a19~0 |old(~a19~0)|))))) (.cse2 (not (= ~a28~0 11))) (.cse1 (<= ~a17~0 8)) (.cse0 (= ~a11~0 1)) (.cse4 (= ~a19~0 1)) (.cse5 (= ~a25~0 1))) (or (not (<= |old(~a28~0)| 7)) (not (= |old(~a19~0)| 1)) (and (<= 9 ~a28~0) .cse0 .cse1 .cse2) (not (= 8 |old(~a17~0)|)) (and (not (= ~a28~0 9)) .cse3 .cse2) (= |old(~a11~0)| |old(~a19~0)|) (and .cse3 .cse4 .cse2) (and .cse5 .cse0 .cse1) (and .cse6 .cse0) (and .cse7 .cse4 .cse8 .cse5)))) [2020-08-21 13:22:39,480 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-08-21 13:22:39,480 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-08-21 13:22:39,481 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse7 (= ~a11~0 |old(~a11~0)|)) (.cse8 (= ~a17~0 8)) (.cse6 (not (= ~a11~0 ~a19~0)))) (let ((.cse3 (let ((.cse9 (= ~a17~0 |old(~a17~0)|))) (or (and .cse9 .cse7 .cse8 (not (= |old(~a11~0)| 1))) (and (= ~a28~0 |old(~a28~0)|) .cse9 .cse7 (= ~a25~0 |old(~a25~0)|) .cse8 .cse6 (= ~a19~0 |old(~a19~0)|))))) (.cse2 (not (= ~a28~0 11))) (.cse1 (<= ~a17~0 8)) (.cse0 (= ~a11~0 1)) (.cse4 (= ~a19~0 1)) (.cse5 (= ~a25~0 1))) (or (not (<= |old(~a28~0)| 7)) (not (= |old(~a19~0)| 1)) (and (<= 9 ~a28~0) .cse0 .cse1 .cse2) (not (= 8 |old(~a17~0)|)) (and (not (= ~a28~0 9)) .cse3 .cse2) (= |old(~a11~0)| |old(~a19~0)|) (and .cse3 .cse4 .cse2) (and .cse5 .cse0 .cse1) (and .cse6 .cse0) (and .cse7 .cse4 .cse8 .cse5)))) [2020-08-21 13:22:39,481 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-08-21 13:22:39,481 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-08-21 13:22:39,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 01:22:39 BoogieIcfgContainer [2020-08-21 13:22:39,504 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 13:22:39,506 INFO L168 Benchmark]: Toolchain (without parser) took 19570.73 ms. Allocated memory was 139.5 MB in the beginning and 470.3 MB in the end (delta: 330.8 MB). Free memory was 100.7 MB in the beginning and 332.7 MB in the end (delta: -232.0 MB). Peak memory consumption was 346.6 MB. Max. memory is 7.1 GB. [2020-08-21 13:22:39,507 INFO L168 Benchmark]: CDTParser took 0.21 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: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-21 13:22:39,508 INFO L168 Benchmark]: CACSL2BoogieTranslator took 759.24 ms. Allocated memory was 139.5 MB in the beginning and 204.5 MB in the end (delta: 65.0 MB). Free memory was 100.5 MB in the beginning and 171.1 MB in the end (delta: -70.7 MB). Peak memory consumption was 32.6 MB. Max. memory is 7.1 GB. [2020-08-21 13:22:39,509 INFO L168 Benchmark]: Boogie Preprocessor took 171.43 ms. Allocated memory is still 204.5 MB. Free memory was 171.1 MB in the beginning and 166.1 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-08-21 13:22:39,510 INFO L168 Benchmark]: RCFGBuilder took 1262.83 ms. Allocated memory was 204.5 MB in the beginning and 237.0 MB in the end (delta: 32.5 MB). Free memory was 166.1 MB in the beginning and 182.4 MB in the end (delta: -16.3 MB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. [2020-08-21 13:22:39,511 INFO L168 Benchmark]: TraceAbstraction took 17367.60 ms. Allocated memory was 237.0 MB in the beginning and 470.3 MB in the end (delta: 233.3 MB). Free memory was 181.0 MB in the beginning and 332.7 MB in the end (delta: -151.7 MB). Peak memory consumption was 329.3 MB. Max. memory is 7.1 GB. [2020-08-21 13:22:39,515 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 759.24 ms. Allocated memory was 139.5 MB in the beginning and 204.5 MB in the end (delta: 65.0 MB). Free memory was 100.5 MB in the beginning and 171.1 MB in the end (delta: -70.7 MB). Peak memory consumption was 32.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 171.43 ms. Allocated memory is still 204.5 MB. Free memory was 171.1 MB in the beginning and 166.1 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1262.83 ms. Allocated memory was 204.5 MB in the beginning and 237.0 MB in the end (delta: 32.5 MB). Free memory was 166.1 MB in the beginning and 182.4 MB in the end (delta: -16.3 MB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17367.60 ms. Allocated memory was 237.0 MB in the beginning and 470.3 MB in the end (delta: 233.3 MB). Free memory was 181.0 MB in the beginning and 332.7 MB in the end (delta: -151.7 MB). Peak memory consumption was 329.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 439]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((!(\old(a28) <= 7) || !(\old(a19) == 1)) || (((9 <= a28 && a11 == 1) && a17 <= 8) && !(a28 == 11))) || !(8 == \old(a17))) || ((!(a28 == 9) && ((((a17 == \old(a17) && a11 == \old(a11)) && a17 == 8) && !(\old(a11) == 1)) || ((((((a28 == \old(a28) && a17 == \old(a17)) && a11 == \old(a11)) && a25 == \old(a25)) && a17 == 8) && !(a11 == a19)) && a19 == \old(a19)))) && !(a28 == 11))) || \old(a11) == \old(a19)) || ((((((a17 == \old(a17) && a11 == \old(a11)) && a17 == 8) && !(\old(a11) == 1)) || ((((((a28 == \old(a28) && a17 == \old(a17)) && a11 == \old(a11)) && a25 == \old(a25)) && a17 == 8) && !(a11 == a19)) && a19 == \old(a19))) && a19 == 1) && !(a28 == 11))) || ((a25 == 1 && a11 == 1) && a17 <= 8)) || (!(a11 == a19) && a11 == 1)) || (((a11 == \old(a11) && a19 == 1) && a17 == 8) && a25 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.6s, OverallIterations: 7, TraceHistogramMax: 3, AutomataDifference: 12.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 258 SDtfs, 5311 SDslu, 318 SDs, 0 SdLazy, 6409 SolverSat, 1154 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 112 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1511occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 671 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 58 PreInvPairs, 94 NumberOfFragments, 603 HoareAnnotationTreeSize, 58 FomulaSimplifications, 44580 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 5396 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 963 NumberOfCodeBlocks, 963 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 956 ConstructedInterpolants, 0 QuantifiedInterpolants, 367655 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 2 PerfectInterpolantSequences, 287/302 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...