/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label07.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-22 05:31:55,516 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 05:31:55,519 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 05:31:55,546 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-08-22 05:31:55,555 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 05:31:55,556 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 05:31:55,557 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 05:31:55,558 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 05:31:55,558 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 05:31:55,559 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 05:31:55,561 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 05:31:55,563 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 05:31:55,564 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 05:31:55,565 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 05:31:55,566 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 05:31:55,567 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 05:31:55,572 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-22 05:31:55,584 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 05:31:55,584 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 05:31:55,586 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 05:31:55,587 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 [2020-08-22 05:31:55,634 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 05:31:55,635 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 05:31:55,636 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 05:31:55,636 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 05:31:55,636 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 05:31:55,636 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 05:31:55,636 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 05:31:55,637 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 05:31:55,637 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 05:31:55,637 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 05:31:55,637 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 05:31:55,637 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 05:31:55,637 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 05:31:55,638 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 05:31:55,638 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 05:31:55,638 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 05:31:55,638 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 05:31:55,638 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 05:31:55,639 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 05:31:55,644 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 05:31:55,644 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 05:31:55,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 05:31:55,644 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 05:31:55,645 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 05:31:55,645 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 05:31:55,645 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 05:31:55,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 05:31:55,645 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 05:31:55,646 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 05:31:55,646 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4;log-additional-information=true; [2020-08-22 05:31:55,969 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 05:31:55,982 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 05:31:55,986 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 05:31:55,987 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 05:31:55,988 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 05:31:55,988 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label07.c [2020-08-22 05:31:56,056 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c02208541/518ecad53d9b480fbce21eebd05eb123/FLAG8274bd48b [2020-08-22 05:31:56,588 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 05:31:56,589 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label07.c [2020-08-22 05:31:56,601 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c02208541/518ecad53d9b480fbce21eebd05eb123/FLAG8274bd48b [2020-08-22 05:31:56,934 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c02208541/518ecad53d9b480fbce21eebd05eb123 [2020-08-22 05:31:56,942 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 05:31:56,944 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 05:31:56,945 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 05:31:56,946 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 05:31:56,949 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 05:31:56,951 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 05:31:56" (1/1) ... [2020-08-22 05:31:56,953 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dadf5b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:31:56, skipping insertion in model container [2020-08-22 05:31:56,954 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 05:31:56" (1/1) ... [2020-08-22 05:31:56,962 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 05:31:57,008 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 05:31:57,517 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 05:31:57,522 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 05:31:57,655 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 05:31:57,671 INFO L208 MainTranslator]: Completed translation [2020-08-22 05:31:57,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:31:57 WrapperNode [2020-08-22 05:31:57,671 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 05:31:57,672 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 05:31:57,672 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 05:31:57,672 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 05:31:57,686 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:31:57" (1/1) ... [2020-08-22 05:31:57,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:31:57" (1/1) ... [2020-08-22 05:31:57,706 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:31:57" (1/1) ... [2020-08-22 05:31:57,706 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:31:57" (1/1) ... [2020-08-22 05:31:57,744 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:31:57" (1/1) ... [2020-08-22 05:31:57,769 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:31:57" (1/1) ... [2020-08-22 05:31:57,779 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:31:57" (1/1) ... [2020-08-22 05:31:57,791 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 05:31:57,792 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 05:31:57,792 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 05:31:57,792 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 05:31:57,793 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:31:57" (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 [2020-08-22 05:31:57,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 05:31:57,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 05:31:57,873 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-08-22 05:31:57,873 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 05:31:57,873 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-08-22 05:31:57,873 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 05:31:57,873 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 05:31:57,874 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-22 05:31:57,874 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 05:31:57,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 05:31:57,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 05:31:59,108 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 05:31:59,108 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-08-22 05:31:59,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 05:31:59 BoogieIcfgContainer [2020-08-22 05:31:59,115 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 05:31:59,116 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 05:31:59,116 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 05:31:59,120 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 05:31:59,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 05:31:56" (1/3) ... [2020-08-22 05:31:59,121 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b147d68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 05:31:59, skipping insertion in model container [2020-08-22 05:31:59,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 05:31:57" (2/3) ... [2020-08-22 05:31:59,122 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b147d68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 05:31:59, skipping insertion in model container [2020-08-22 05:31:59,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 05:31:59" (3/3) ... [2020-08-22 05:31:59,124 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label07.c [2020-08-22 05:31:59,136 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 05:31:59,145 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 05:31:59,161 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 05:31:59,189 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 05:31:59,189 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 05:31:59,189 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 05:31:59,190 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 05:31:59,190 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 05:31:59,190 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 05:31:59,190 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 05:31:59,191 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 05:31:59,216 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2020-08-22 05:31:59,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-22 05:31:59,226 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 05:31:59,228 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] [2020-08-22 05:31:59,228 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 05:31:59,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 05:31:59,236 INFO L82 PathProgramCache]: Analyzing trace with hash -1452048058, now seen corresponding path program 1 times [2020-08-22 05:31:59,247 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 05:31:59,247 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1608978362] [2020-08-22 05:31:59,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 05:31:59,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:31:59,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 05:31:59,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:31:59,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 05:31:59,717 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1608978362] [2020-08-22 05:31:59,719 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 05:31:59,721 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-22 05:31:59,722 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630095085] [2020-08-22 05:31:59,730 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-22 05:31:59,730 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 05:31:59,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-22 05:31:59,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-22 05:31:59,748 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 4 states. [2020-08-22 05:32:01,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 05:32:01,489 INFO L93 Difference]: Finished difference Result 596 states and 1022 transitions. [2020-08-22 05:32:01,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-22 05:32:01,491 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-08-22 05:32:01,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 05:32:01,508 INFO L225 Difference]: With dead ends: 596 [2020-08-22 05:32:01,509 INFO L226 Difference]: Without dead ends: 302 [2020-08-22 05:32:01,516 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-22 05:32:01,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2020-08-22 05:32:01,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 296. [2020-08-22 05:32:01,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-08-22 05:32:01,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 448 transitions. [2020-08-22 05:32:01,598 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 448 transitions. Word has length 51 [2020-08-22 05:32:01,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 05:32:01,600 INFO L479 AbstractCegarLoop]: Abstraction has 296 states and 448 transitions. [2020-08-22 05:32:01,600 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-22 05:32:01,601 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 448 transitions. [2020-08-22 05:32:01,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-08-22 05:32:01,617 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 05:32:01,620 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 05:32:01,621 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 05:32:01,621 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 05:32:01,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 05:32:01,622 INFO L82 PathProgramCache]: Analyzing trace with hash -1838295646, now seen corresponding path program 1 times [2020-08-22 05:32:01,622 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 05:32:01,622 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [363031674] [2020-08-22 05:32:01,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 05:32:01,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:32:01,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 05:32:01,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:32:01,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 05:32:01,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:32:02,027 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 40 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 05:32:02,027 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [363031674] [2020-08-22 05:32:02,028 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 05:32:02,028 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-22 05:32:02,028 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712731981] [2020-08-22 05:32:02,044 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-22 05:32:02,044 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 05:32:02,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-22 05:32:02,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-08-22 05:32:02,045 INFO L87 Difference]: Start difference. First operand 296 states and 448 transitions. Second operand 7 states. [2020-08-22 05:32:04,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 05:32:04,365 INFO L93 Difference]: Finished difference Result 1166 states and 1806 transitions. [2020-08-22 05:32:04,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-22 05:32:04,366 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 121 [2020-08-22 05:32:04,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 05:32:04,374 INFO L225 Difference]: With dead ends: 1166 [2020-08-22 05:32:04,375 INFO L226 Difference]: Without dead ends: 876 [2020-08-22 05:32:04,376 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-08-22 05:32:04,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 876 states. [2020-08-22 05:32:04,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 876 to 876. [2020-08-22 05:32:04,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 876 states. [2020-08-22 05:32:04,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 876 states and 1255 transitions. [2020-08-22 05:32:04,445 INFO L78 Accepts]: Start accepts. Automaton has 876 states and 1255 transitions. Word has length 121 [2020-08-22 05:32:04,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 05:32:04,446 INFO L479 AbstractCegarLoop]: Abstraction has 876 states and 1255 transitions. [2020-08-22 05:32:04,446 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-22 05:32:04,446 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1255 transitions. [2020-08-22 05:32:04,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-08-22 05:32:04,458 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 05:32:04,458 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 05:32:04,459 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 05:32:04,459 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 05:32:04,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 05:32:04,460 INFO L82 PathProgramCache]: Analyzing trace with hash -1132213795, now seen corresponding path program 1 times [2020-08-22 05:32:04,460 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 05:32:04,460 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1795032399] [2020-08-22 05:32:04,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 05:32:04,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:32:04,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 05:32:04,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:32:04,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 05:32:04,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:32:04,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-22 05:32:04,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:32:04,816 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 89 proven. 2 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-08-22 05:32:04,816 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1795032399] [2020-08-22 05:32:04,817 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 05:32:04,817 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-22 05:32:04,817 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690074391] [2020-08-22 05:32:04,818 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 05:32:04,818 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 05:32:04,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 05:32:04,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-22 05:32:04,819 INFO L87 Difference]: Start difference. First operand 876 states and 1255 transitions. Second operand 5 states. [2020-08-22 05:32:06,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 05:32:06,153 INFO L93 Difference]: Finished difference Result 2038 states and 2990 transitions. [2020-08-22 05:32:06,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-22 05:32:06,154 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 240 [2020-08-22 05:32:06,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 05:32:06,162 INFO L225 Difference]: With dead ends: 2038 [2020-08-22 05:32:06,162 INFO L226 Difference]: Without dead ends: 1311 [2020-08-22 05:32:06,164 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-08-22 05:32:06,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1311 states. [2020-08-22 05:32:06,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1311 to 1168. [2020-08-22 05:32:06,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1168 states. [2020-08-22 05:32:06,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1168 states to 1168 states and 1601 transitions. [2020-08-22 05:32:06,220 INFO L78 Accepts]: Start accepts. Automaton has 1168 states and 1601 transitions. Word has length 240 [2020-08-22 05:32:06,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 05:32:06,221 INFO L479 AbstractCegarLoop]: Abstraction has 1168 states and 1601 transitions. [2020-08-22 05:32:06,221 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 05:32:06,221 INFO L276 IsEmpty]: Start isEmpty. Operand 1168 states and 1601 transitions. [2020-08-22 05:32:06,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2020-08-22 05:32:06,232 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 05:32:06,233 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 05:32:06,233 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 05:32:06,233 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 05:32:06,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 05:32:06,234 INFO L82 PathProgramCache]: Analyzing trace with hash -1886450206, now seen corresponding path program 1 times [2020-08-22 05:32:06,234 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 05:32:06,235 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [39756127] [2020-08-22 05:32:06,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 05:32:06,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:32:06,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 05:32:06,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:32:06,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 05:32:06,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:32:06,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 05:32:06,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:32:06,656 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 92 proven. 74 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-22 05:32:06,657 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [39756127] [2020-08-22 05:32:06,657 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 05:32:06,658 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-22 05:32:06,658 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748858434] [2020-08-22 05:32:06,659 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 05:32:06,659 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 05:32:06,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 05:32:06,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-08-22 05:32:06,660 INFO L87 Difference]: Start difference. First operand 1168 states and 1601 transitions. Second operand 10 states. [2020-08-22 05:32:09,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 05:32:09,200 INFO L93 Difference]: Finished difference Result 2252 states and 3168 transitions. [2020-08-22 05:32:09,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-08-22 05:32:09,202 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 255 [2020-08-22 05:32:09,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 05:32:09,214 INFO L225 Difference]: With dead ends: 2252 [2020-08-22 05:32:09,214 INFO L226 Difference]: Without dead ends: 1206 [2020-08-22 05:32:09,218 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=109, Invalid=353, Unknown=0, NotChecked=0, Total=462 [2020-08-22 05:32:09,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1206 states. [2020-08-22 05:32:09,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1206 to 1182. [2020-08-22 05:32:09,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1182 states. [2020-08-22 05:32:09,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1182 states to 1182 states and 1626 transitions. [2020-08-22 05:32:09,280 INFO L78 Accepts]: Start accepts. Automaton has 1182 states and 1626 transitions. Word has length 255 [2020-08-22 05:32:09,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 05:32:09,281 INFO L479 AbstractCegarLoop]: Abstraction has 1182 states and 1626 transitions. [2020-08-22 05:32:09,281 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 05:32:09,281 INFO L276 IsEmpty]: Start isEmpty. Operand 1182 states and 1626 transitions. [2020-08-22 05:32:09,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2020-08-22 05:32:09,287 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 05:32:09,287 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 05:32:09,288 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 05:32:09,288 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 05:32:09,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 05:32:09,288 INFO L82 PathProgramCache]: Analyzing trace with hash -194706754, now seen corresponding path program 1 times [2020-08-22 05:32:09,289 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 05:32:09,290 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [305806495] [2020-08-22 05:32:09,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 05:32:09,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:32:09,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 05:32:09,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:32:09,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 05:32:09,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:32:09,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-08-22 05:32:09,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:32:09,616 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 88 proven. 76 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-22 05:32:09,617 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [305806495] [2020-08-22 05:32:09,617 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 05:32:09,617 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-22 05:32:09,618 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878619921] [2020-08-22 05:32:09,618 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 05:32:09,619 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 05:32:09,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 05:32:09,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-08-22 05:32:09,619 INFO L87 Difference]: Start difference. First operand 1182 states and 1626 transitions. Second operand 8 states. [2020-08-22 05:32:11,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 05:32:11,766 INFO L93 Difference]: Finished difference Result 3570 states and 5382 transitions. [2020-08-22 05:32:11,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-22 05:32:11,767 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 257 [2020-08-22 05:32:11,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 05:32:11,781 INFO L225 Difference]: With dead ends: 3570 [2020-08-22 05:32:11,781 INFO L226 Difference]: Without dead ends: 2537 [2020-08-22 05:32:11,784 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-08-22 05:32:11,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2537 states. [2020-08-22 05:32:11,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2537 to 2370. [2020-08-22 05:32:11,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2370 states. [2020-08-22 05:32:11,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2370 states to 2370 states and 3174 transitions. [2020-08-22 05:32:11,867 INFO L78 Accepts]: Start accepts. Automaton has 2370 states and 3174 transitions. Word has length 257 [2020-08-22 05:32:11,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 05:32:11,868 INFO L479 AbstractCegarLoop]: Abstraction has 2370 states and 3174 transitions. [2020-08-22 05:32:11,869 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 05:32:11,869 INFO L276 IsEmpty]: Start isEmpty. Operand 2370 states and 3174 transitions. [2020-08-22 05:32:11,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2020-08-22 05:32:11,880 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 05:32:11,881 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 05:32:11,881 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 05:32:11,882 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 05:32:11,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 05:32:11,882 INFO L82 PathProgramCache]: Analyzing trace with hash 2134841406, now seen corresponding path program 1 times [2020-08-22 05:32:11,882 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 05:32:11,883 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [151784777] [2020-08-22 05:32:11,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 05:32:11,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:32:12,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 05:32:12,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:32:12,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-08-22 05:32:12,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:32:12,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-22 05:32:12,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:32:12,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-22 05:32:12,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 05:32:12,335 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 200 proven. 81 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-08-22 05:32:12,335 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [151784777] [2020-08-22 05:32:12,336 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 05:32:12,336 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-22 05:32:12,336 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075116424] [2020-08-22 05:32:12,337 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 05:32:12,337 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 05:32:12,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 05:32:12,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-08-22 05:32:12,338 INFO L87 Difference]: Start difference. First operand 2370 states and 3174 transitions. Second operand 10 states. [2020-08-22 05:32:16,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 05:32:16,230 INFO L93 Difference]: Finished difference Result 5606 states and 7590 transitions. [2020-08-22 05:32:16,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-08-22 05:32:16,230 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 325 [2020-08-22 05:32:16,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 05:32:16,231 INFO L225 Difference]: With dead ends: 5606 [2020-08-22 05:32:16,231 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 05:32:16,243 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=136, Invalid=464, Unknown=0, NotChecked=0, Total=600 [2020-08-22 05:32:16,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 05:32:16,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 05:32:16,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 05:32:16,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 05:32:16,244 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 325 [2020-08-22 05:32:16,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 05:32:16,244 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 05:32:16,244 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 05:32:16,244 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 05:32:16,245 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 05:32:16,245 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-22 05:32:16,247 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 05:32:16,739 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 23 [2020-08-22 05:32:16,896 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 49 [2020-08-22 05:32:17,044 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 49 [2020-08-22 05:32:17,049 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-22 05:32:17,049 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= ~a12~0 |old(~a12~0)|) (= ~inputB~0 |old(~inputB~0)|) (= ~a4~0 |old(~a4~0)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) [2020-08-22 05:32:17,050 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-22 05:32:17,050 INFO L268 CegarLoopResult]: For program point L465(lines 465 572) no Hoare annotation was computed. [2020-08-22 05:32:17,050 INFO L268 CegarLoopResult]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:32:17,050 INFO L268 CegarLoopResult]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:32:17,051 INFO L268 CegarLoopResult]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:32:17,051 INFO L268 CegarLoopResult]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:32:17,051 INFO L268 CegarLoopResult]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:32:17,051 INFO L268 CegarLoopResult]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:32:17,051 INFO L268 CegarLoopResult]: For program point L499(lines 499 572) no Hoare annotation was computed. [2020-08-22 05:32:17,051 INFO L268 CegarLoopResult]: For program point L301(lines 301 572) no Hoare annotation was computed. [2020-08-22 05:32:17,051 INFO L268 CegarLoopResult]: For program point L202(line 202) no Hoare annotation was computed. [2020-08-22 05:32:17,052 INFO L268 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-08-22 05:32:17,052 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-08-22 05:32:17,052 INFO L268 CegarLoopResult]: For program point L103(line 103) no Hoare annotation was computed. [2020-08-22 05:32:17,052 INFO L268 CegarLoopResult]: For program point L70(line 70) no Hoare annotation was computed. [2020-08-22 05:32:17,052 INFO L268 CegarLoopResult]: For program point L37(line 37) no Hoare annotation was computed. [2020-08-22 05:32:17,052 INFO L268 CegarLoopResult]: For program point L335(lines 335 572) no Hoare annotation was computed. [2020-08-22 05:32:17,052 INFO L268 CegarLoopResult]: For program point L236(lines 236 572) no Hoare annotation was computed. [2020-08-22 05:32:17,052 INFO L268 CegarLoopResult]: For program point L534(lines 534 572) no Hoare annotation was computed. [2020-08-22 05:32:17,053 INFO L268 CegarLoopResult]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:32:17,053 INFO L268 CegarLoopResult]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:32:17,053 INFO L268 CegarLoopResult]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:32:17,053 INFO L268 CegarLoopResult]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:32:17,053 INFO L268 CegarLoopResult]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:32:17,053 INFO L268 CegarLoopResult]: For program point L436(lines 436 572) no Hoare annotation was computed. [2020-08-22 05:32:17,053 INFO L268 CegarLoopResult]: For program point L403(lines 403 572) no Hoare annotation was computed. [2020-08-22 05:32:17,053 INFO L268 CegarLoopResult]: For program point L370(lines 370 572) no Hoare annotation was computed. [2020-08-22 05:32:17,054 INFO L268 CegarLoopResult]: For program point L271(lines 271 572) no Hoare annotation was computed. [2020-08-22 05:32:17,054 INFO L268 CegarLoopResult]: For program point L172(line 172) no Hoare annotation was computed. [2020-08-22 05:32:17,054 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-08-22 05:32:17,054 INFO L268 CegarLoopResult]: For program point L106(line 106) no Hoare annotation was computed. [2020-08-22 05:32:17,054 INFO L268 CegarLoopResult]: For program point L73(line 73) no Hoare annotation was computed. [2020-08-22 05:32:17,054 INFO L268 CegarLoopResult]: For program point L40(line 40) no Hoare annotation was computed. [2020-08-22 05:32:17,054 INFO L268 CegarLoopResult]: For program point L569(lines 569 572) no Hoare annotation was computed. [2020-08-22 05:32:17,055 INFO L268 CegarLoopResult]: For program point L239(lines 239 572) no Hoare annotation was computed. [2020-08-22 05:32:17,055 INFO L268 CegarLoopResult]: For program point L504(lines 504 572) no Hoare annotation was computed. [2020-08-22 05:32:17,055 INFO L268 CegarLoopResult]: For program point L471(lines 471 572) no Hoare annotation was computed. [2020-08-22 05:32:17,055 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 139) no Hoare annotation was computed. [2020-08-22 05:32:17,055 INFO L268 CegarLoopResult]: For program point L306(lines 306 572) no Hoare annotation was computed. [2020-08-22 05:32:17,055 INFO L268 CegarLoopResult]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:32:17,055 INFO L268 CegarLoopResult]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:32:17,055 INFO L268 CegarLoopResult]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:32:17,056 INFO L268 CegarLoopResult]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:32:17,056 INFO L268 CegarLoopResult]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:32:17,056 INFO L268 CegarLoopResult]: For program point L340(lines 340 572) no Hoare annotation was computed. [2020-08-22 05:32:17,056 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-22 05:32:17,056 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-08-22 05:32:17,056 INFO L268 CegarLoopResult]: For program point L109(line 109) no Hoare annotation was computed. [2020-08-22 05:32:17,056 INFO L268 CegarLoopResult]: For program point L76(line 76) no Hoare annotation was computed. [2020-08-22 05:32:17,056 INFO L268 CegarLoopResult]: For program point L43(line 43) no Hoare annotation was computed. [2020-08-22 05:32:17,057 INFO L268 CegarLoopResult]: For program point L540(lines 540 572) no Hoare annotation was computed. [2020-08-22 05:32:17,057 INFO L268 CegarLoopResult]: For program point L408(lines 408 572) no Hoare annotation was computed. [2020-08-22 05:32:17,057 INFO L268 CegarLoopResult]: For program point L375(lines 375 572) no Hoare annotation was computed. [2020-08-22 05:32:17,057 INFO L268 CegarLoopResult]: For program point L210(lines 210 572) no Hoare annotation was computed. [2020-08-22 05:32:17,057 INFO L268 CegarLoopResult]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:32:17,057 INFO L268 CegarLoopResult]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:32:17,057 INFO L268 CegarLoopResult]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:32:17,057 INFO L268 CegarLoopResult]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:32:17,058 INFO L268 CegarLoopResult]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:32:17,058 INFO L268 CegarLoopResult]: For program point L442(lines 442 572) no Hoare annotation was computed. [2020-08-22 05:32:17,058 INFO L268 CegarLoopResult]: For program point L277(lines 277 572) no Hoare annotation was computed. [2020-08-22 05:32:17,058 INFO L268 CegarLoopResult]: For program point L244(lines 244 572) no Hoare annotation was computed. [2020-08-22 05:32:17,058 INFO L268 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-08-22 05:32:17,058 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-08-22 05:32:17,058 INFO L268 CegarLoopResult]: For program point L112(line 112) no Hoare annotation was computed. [2020-08-22 05:32:17,059 INFO L268 CegarLoopResult]: For program point L79(line 79) no Hoare annotation was computed. [2020-08-22 05:32:17,059 INFO L268 CegarLoopResult]: For program point L46(line 46) no Hoare annotation was computed. [2020-08-22 05:32:17,059 INFO L268 CegarLoopResult]: For program point L509(lines 509 572) no Hoare annotation was computed. [2020-08-22 05:32:17,059 INFO L268 CegarLoopResult]: For program point L476(lines 476 572) no Hoare annotation was computed. [2020-08-22 05:32:17,059 INFO L268 CegarLoopResult]: For program point L378(lines 378 572) no Hoare annotation was computed. [2020-08-22 05:32:17,059 INFO L268 CegarLoopResult]: For program point L345(lines 345 572) no Hoare annotation was computed. [2020-08-22 05:32:17,059 INFO L268 CegarLoopResult]: For program point L312(lines 312 572) no Hoare annotation was computed. [2020-08-22 05:32:17,059 INFO L268 CegarLoopResult]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:32:17,060 INFO L268 CegarLoopResult]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:32:17,060 INFO L268 CegarLoopResult]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:32:17,060 INFO L268 CegarLoopResult]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:32:17,060 INFO L268 CegarLoopResult]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:32:17,060 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-08-22 05:32:17,060 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-08-22 05:32:17,060 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-08-22 05:32:17,060 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-08-22 05:32:17,061 INFO L268 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2020-08-22 05:32:17,061 INFO L268 CegarLoopResult]: For program point L545(lines 545 572) no Hoare annotation was computed. [2020-08-22 05:32:17,061 INFO L268 CegarLoopResult]: For program point L215(lines 215 572) no Hoare annotation was computed. [2020-08-22 05:32:17,061 INFO L268 CegarLoopResult]: For program point L414(lines 414 572) no Hoare annotation was computed. [2020-08-22 05:32:17,061 INFO L268 CegarLoopResult]: For program point L249(lines 249 572) no Hoare annotation was computed. [2020-08-22 05:32:17,061 INFO L268 CegarLoopResult]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:32:17,061 INFO L268 CegarLoopResult]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:32:17,061 INFO L268 CegarLoopResult]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:32:17,062 INFO L268 CegarLoopResult]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:32:17,062 INFO L268 CegarLoopResult]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:32:17,062 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:32:17,062 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:32:17,062 INFO L268 CegarLoopResult]: For program point L514(lines 514 572) no Hoare annotation was computed. [2020-08-22 05:32:17,062 INFO L268 CegarLoopResult]: For program point L481(lines 481 572) no Hoare annotation was computed. [2020-08-22 05:32:17,062 INFO L268 CegarLoopResult]: For program point L448(lines 448 572) no Hoare annotation was computed. [2020-08-22 05:32:17,062 INFO L268 CegarLoopResult]: For program point L283(lines 283 572) no Hoare annotation was computed. [2020-08-22 05:32:17,063 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-08-22 05:32:17,063 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-08-22 05:32:17,063 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-22 05:32:17,063 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-08-22 05:32:17,063 INFO L268 CegarLoopResult]: For program point L52(line 52) no Hoare annotation was computed. [2020-08-22 05:32:17,063 INFO L268 CegarLoopResult]: For program point L548(lines 548 572) no Hoare annotation was computed. [2020-08-22 05:32:17,063 INFO L268 CegarLoopResult]: For program point L383(lines 383 572) no Hoare annotation was computed. [2020-08-22 05:32:17,064 INFO L268 CegarLoopResult]: For program point L317(lines 317 572) no Hoare annotation was computed. [2020-08-22 05:32:17,064 INFO L268 CegarLoopResult]: For program point L351(lines 351 572) no Hoare annotation was computed. [2020-08-22 05:32:17,064 INFO L268 CegarLoopResult]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:32:17,064 INFO L268 CegarLoopResult]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:32:17,064 INFO L268 CegarLoopResult]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:32:17,064 INFO L268 CegarLoopResult]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:32:17,064 INFO L268 CegarLoopResult]: For program point L21(lines 21 23) no Hoare annotation was computed. [2020-08-22 05:32:17,064 INFO L268 CegarLoopResult]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:32:17,065 INFO L268 CegarLoopResult]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:32:17,065 INFO L268 CegarLoopResult]: For program point L517(lines 517 572) no Hoare annotation was computed. [2020-08-22 05:32:17,065 INFO L268 CegarLoopResult]: For program point L286(lines 286 572) no Hoare annotation was computed. [2020-08-22 05:32:17,065 INFO L268 CegarLoopResult]: For program point L220(lines 220 572) no Hoare annotation was computed. [2020-08-22 05:32:17,065 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-08-22 05:32:17,065 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-08-22 05:32:17,065 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-08-22 05:32:17,065 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-08-22 05:32:17,065 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-08-22 05:32:17,066 INFO L268 CegarLoopResult]: For program point L22(line 22) no Hoare annotation was computed. [2020-08-22 05:32:17,066 INFO L268 CegarLoopResult]: For program point L419(lines 419 572) no Hoare annotation was computed. [2020-08-22 05:32:17,066 INFO L268 CegarLoopResult]: For program point L320(lines 320 572) no Hoare annotation was computed. [2020-08-22 05:32:17,066 INFO L268 CegarLoopResult]: For program point L254(lines 254 572) no Hoare annotation was computed. [2020-08-22 05:32:17,066 INFO L268 CegarLoopResult]: For program point L354(lines 354 572) no Hoare annotation was computed. [2020-08-22 05:32:17,066 INFO L268 CegarLoopResult]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:32:17,066 INFO L268 CegarLoopResult]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:32:17,066 INFO L268 CegarLoopResult]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:32:17,066 INFO L268 CegarLoopResult]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:32:17,067 INFO L268 CegarLoopResult]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:32:17,067 INFO L268 CegarLoopResult]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:32:17,067 INFO L268 CegarLoopResult]: For program point L487(lines 487 572) no Hoare annotation was computed. [2020-08-22 05:32:17,067 INFO L268 CegarLoopResult]: For program point L454(lines 454 572) no Hoare annotation was computed. [2020-08-22 05:32:17,067 INFO L268 CegarLoopResult]: For program point L388(lines 388 572) no Hoare annotation was computed. [2020-08-22 05:32:17,067 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-08-22 05:32:17,067 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-08-22 05:32:17,067 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-08-22 05:32:17,068 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-08-22 05:32:17,068 INFO L268 CegarLoopResult]: For program point L58(line 58) no Hoare annotation was computed. [2020-08-22 05:32:17,068 INFO L268 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2020-08-22 05:32:17,068 INFO L268 CegarLoopResult]: For program point L554(lines 554 572) no Hoare annotation was computed. [2020-08-22 05:32:17,068 INFO L268 CegarLoopResult]: For program point L323(lines 323 572) no Hoare annotation was computed. [2020-08-22 05:32:17,068 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse0 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)))) (and (or .cse0 (not (<= 2 |old(~a10~0)|)) (= 2 |old(~a10~0)|)) (or (not (<= |old(~a10~0)| 0)) .cse0) (or (= 6 |old(~a19~0)|) .cse0))) [2020-08-22 05:32:17,068 INFO L268 CegarLoopResult]: For program point L357(lines 357 572) no Hoare annotation was computed. [2020-08-22 05:32:17,069 INFO L268 CegarLoopResult]: For program point L291(lines 291 572) no Hoare annotation was computed. [2020-08-22 05:32:17,069 INFO L268 CegarLoopResult]: For program point L225(lines 225 572) no Hoare annotation was computed. [2020-08-22 05:32:17,069 INFO L268 CegarLoopResult]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:32:17,069 INFO L268 CegarLoopResult]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:32:17,069 INFO L268 CegarLoopResult]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:32:17,069 INFO L268 CegarLoopResult]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:32:17,069 INFO L268 CegarLoopResult]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:32:17,069 INFO L268 CegarLoopResult]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:32:17,070 INFO L268 CegarLoopResult]: For program point L523(lines 523 572) no Hoare annotation was computed. [2020-08-22 05:32:17,070 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-22 05:32:17,070 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-08-22 05:32:17,070 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-08-22 05:32:17,070 INFO L268 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-08-22 05:32:17,070 INFO L268 CegarLoopResult]: For program point L61(line 61) no Hoare annotation was computed. [2020-08-22 05:32:17,070 INFO L268 CegarLoopResult]: For program point L28(line 28) no Hoare annotation was computed. [2020-08-22 05:32:17,070 INFO L268 CegarLoopResult]: For program point L557(lines 557 572) no Hoare annotation was computed. [2020-08-22 05:32:17,070 INFO L268 CegarLoopResult]: For program point L425(lines 425 572) no Hoare annotation was computed. [2020-08-22 05:32:17,071 INFO L268 CegarLoopResult]: For program point L326(lines 326 572) no Hoare annotation was computed. [2020-08-22 05:32:17,071 INFO L268 CegarLoopResult]: For program point L260(lines 260 572) no Hoare annotation was computed. [2020-08-22 05:32:17,071 INFO L268 CegarLoopResult]: For program point L393(lines 393 572) no Hoare annotation was computed. [2020-08-22 05:32:17,071 INFO L268 CegarLoopResult]: For program point L360(lines 360 572) no Hoare annotation was computed. [2020-08-22 05:32:17,071 INFO L268 CegarLoopResult]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:32:17,071 INFO L268 CegarLoopResult]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:32:17,071 INFO L268 CegarLoopResult]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:32:17,071 INFO L268 CegarLoopResult]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:32:17,071 INFO L268 CegarLoopResult]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:32:17,072 INFO L268 CegarLoopResult]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:32:17,072 INFO L268 CegarLoopResult]: For program point L526(lines 526 572) no Hoare annotation was computed. [2020-08-22 05:32:17,072 INFO L268 CegarLoopResult]: For program point L493(lines 493 572) no Hoare annotation was computed. [2020-08-22 05:32:17,072 INFO L268 CegarLoopResult]: For program point L460(lines 460 572) no Hoare annotation was computed. [2020-08-22 05:32:17,072 INFO L268 CegarLoopResult]: For program point L196(line 196) no Hoare annotation was computed. [2020-08-22 05:32:17,072 INFO L268 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-08-22 05:32:17,072 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-08-22 05:32:17,072 INFO L268 CegarLoopResult]: For program point L97(line 97) no Hoare annotation was computed. [2020-08-22 05:32:17,072 INFO L268 CegarLoopResult]: For program point L64(line 64) no Hoare annotation was computed. [2020-08-22 05:32:17,073 INFO L268 CegarLoopResult]: For program point L31(line 31) no Hoare annotation was computed. [2020-08-22 05:32:17,073 INFO L268 CegarLoopResult]: For program point L329(lines 329 572) no Hoare annotation was computed. [2020-08-22 05:32:17,073 INFO L268 CegarLoopResult]: For program point L296(lines 296 572) no Hoare annotation was computed. [2020-08-22 05:32:17,073 INFO L268 CegarLoopResult]: For program point L231(lines 231 572) no Hoare annotation was computed. [2020-08-22 05:32:17,073 INFO L268 CegarLoopResult]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:32:17,073 INFO L268 CegarLoopResult]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:32:17,073 INFO L268 CegarLoopResult]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:32:17,074 INFO L268 CegarLoopResult]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:32:17,074 INFO L268 CegarLoopResult]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:32:17,074 INFO L268 CegarLoopResult]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2020-08-22 05:32:17,074 INFO L268 CegarLoopResult]: For program point L529(lines 529 572) no Hoare annotation was computed. [2020-08-22 05:32:17,074 INFO L268 CegarLoopResult]: For program point L430(lines 430 572) no Hoare annotation was computed. [2020-08-22 05:32:17,074 INFO L268 CegarLoopResult]: For program point L265(lines 265 572) no Hoare annotation was computed. [2020-08-22 05:32:17,074 INFO L268 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-08-22 05:32:17,074 INFO L268 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2020-08-22 05:32:17,075 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-08-22 05:32:17,075 INFO L268 CegarLoopResult]: For program point L100(line 100) no Hoare annotation was computed. [2020-08-22 05:32:17,075 INFO L268 CegarLoopResult]: For program point L67(line 67) no Hoare annotation was computed. [2020-08-22 05:32:17,075 INFO L268 CegarLoopResult]: For program point L34(line 34) no Hoare annotation was computed. [2020-08-22 05:32:17,075 INFO L268 CegarLoopResult]: For program point L563(lines 563 572) no Hoare annotation was computed. [2020-08-22 05:32:17,075 INFO L268 CegarLoopResult]: For program point L398(lines 398 572) no Hoare annotation was computed. [2020-08-22 05:32:17,075 INFO L268 CegarLoopResult]: For program point L365(lines 365 572) no Hoare annotation was computed. [2020-08-22 05:32:17,075 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-22 05:32:17,075 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (= ~a4~0 14) (<= 23 ~a1~0) (= ~a12~0 0) (= ~a19~0 9) (<= ~a1~0 23)) [2020-08-22 05:32:17,076 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 05:32:17,076 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-22 05:32:17,076 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (and (<= 23 ~a1~0) (<= ~a1~0 23) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (= 14 ~a4~0)) (not (= ~a12~0 0))) [2020-08-22 05:32:17,076 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2020-08-22 05:32:17,076 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (= 0 |old(~a10~0)|))) (or (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (and (not (= ~a10~0 2)) (<= 2 ~a10~0) .cse0) (and (<= 23 ~a1~0) (<= ~a1~0 23) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (and (<= ~a10~0 0) .cse0) (not (= 14 ~a4~0)) (and (not (= ~a19~0 6)) .cse0) (and (= ~a19~0 8) (= ~a10~0 1) (<= 331505 ~a1~0)) (not (= ~a12~0 0)))) [2020-08-22 05:32:17,076 INFO L268 CegarLoopResult]: For program point L590-1(line 590) no Hoare annotation was computed. [2020-08-22 05:32:17,077 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-08-22 05:32:17,077 INFO L264 CegarLoopResult]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (= 0 |old(~a10~0)|))) (or (not (<= 23 |old(~a1~0)|)) (not (<= |old(~a10~0)| 0)) (and (not (= ~a10~0 2)) (<= 2 ~a10~0) .cse0) (and (<= 23 ~a1~0) (<= ~a1~0 23) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (and (<= ~a10~0 0) .cse0) (not (= 14 ~a4~0)) (and (not (= ~a19~0 6)) .cse0) (and (= ~a19~0 8) (= ~a10~0 1) (<= 331505 ~a1~0)) (not (= ~a12~0 0)))) [2020-08-22 05:32:17,077 INFO L268 CegarLoopResult]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2020-08-22 05:32:17,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 05:32:17 BoogieIcfgContainer [2020-08-22 05:32:17,099 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 05:32:17,101 INFO L168 Benchmark]: Toolchain (without parser) took 20157.13 ms. Allocated memory was 140.0 MB in the beginning and 468.7 MB in the end (delta: 328.7 MB). Free memory was 101.5 MB in the beginning and 107.0 MB in the end (delta: -5.5 MB). Peak memory consumption was 323.3 MB. Max. memory is 7.1 GB. [2020-08-22 05:32:17,102 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-22 05:32:17,103 INFO L168 Benchmark]: CACSL2BoogieTranslator took 726.39 ms. Allocated memory was 140.0 MB in the beginning and 204.5 MB in the end (delta: 64.5 MB). Free memory was 101.3 MB in the beginning and 170.3 MB in the end (delta: -68.9 MB). Peak memory consumption was 34.4 MB. Max. memory is 7.1 GB. [2020-08-22 05:32:17,104 INFO L168 Benchmark]: Boogie Preprocessor took 119.16 ms. Allocated memory is still 204.5 MB. Free memory was 170.3 MB in the beginning and 166.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-08-22 05:32:17,105 INFO L168 Benchmark]: RCFGBuilder took 1323.12 ms. Allocated memory was 204.5 MB in the beginning and 238.6 MB in the end (delta: 34.1 MB). Free memory was 165.4 MB in the beginning and 180.7 MB in the end (delta: -15.3 MB). Peak memory consumption was 81.6 MB. Max. memory is 7.1 GB. [2020-08-22 05:32:17,106 INFO L168 Benchmark]: TraceAbstraction took 17983.30 ms. Allocated memory was 238.6 MB in the beginning and 468.7 MB in the end (delta: 230.2 MB). Free memory was 180.7 MB in the beginning and 107.0 MB in the end (delta: 73.7 MB). Peak memory consumption was 303.9 MB. Max. memory is 7.1 GB. [2020-08-22 05:32:17,110 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 726.39 ms. Allocated memory was 140.0 MB in the beginning and 204.5 MB in the end (delta: 64.5 MB). Free memory was 101.3 MB in the beginning and 170.3 MB in the end (delta: -68.9 MB). Peak memory consumption was 34.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 119.16 ms. Allocated memory is still 204.5 MB. Free memory was 170.3 MB in the beginning and 166.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1323.12 ms. Allocated memory was 204.5 MB in the beginning and 238.6 MB in the end (delta: 34.1 MB). Free memory was 165.4 MB in the beginning and 180.7 MB in the end (delta: -15.3 MB). Peak memory consumption was 81.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17983.30 ms. Allocated memory was 238.6 MB in the beginning and 468.7 MB in the end (delta: 230.2 MB). Free memory was 180.7 MB in the beginning and 107.0 MB in the end (delta: 73.7 MB). Peak memory consumption was 303.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 139]: 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: 582]: Loop Invariant Derived loop invariant: (((((((((!(23 <= \old(a1)) || !(\old(a10) <= 0)) || ((!(a10 == 2) && 2 <= a10) && 0 == \old(a10))) || (((23 <= a1 && a1 <= 23) && a19 == \old(a19)) && a10 == \old(a10))) || !(9 == \old(a19))) || !(\old(a1) <= 23)) || (a10 <= 0 && 0 == \old(a10))) || !(14 == a4)) || (!(a19 == 6) && 0 == \old(a10))) || ((a19 == 8 && a10 == 1) && 331505 <= a1)) || !(a12 == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 17.0s, OverallIterations: 6, TraceHistogramMax: 4, AutomataDifference: 14.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 179 SDtfs, 4749 SDslu, 281 SDs, 0 SdLazy, 8300 SolverSat, 1485 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 130 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 222 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2370occurred in iteration=5, 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, 6 MinimizatonAttempts, 340 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 68 PreInvPairs, 118 NumberOfFragments, 285 HoareAnnotationTreeSize, 68 FomulaSimplifications, 3590 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1790 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1249 NumberOfCodeBlocks, 1249 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1243 ConstructedInterpolants, 0 QuantifiedInterpolants, 665173 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 652/889 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...