/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label39.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 18:56:28,732 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 18:56:28,735 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 18:56:28,746 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 18:56:28,747 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 18:56:28,748 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 18:56:28,749 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 18:56:28,751 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 18:56:28,753 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 18:56:28,754 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 18:56:28,755 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 18:56:28,756 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 18:56:28,756 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 18:56:28,757 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 18:56:28,758 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 18:56:28,759 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 18:56:28,760 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 18:56:28,761 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 18:56:28,763 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 18:56:28,764 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 18:56:28,766 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 18:56:28,767 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 18:56:28,768 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 18:56:28,769 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 18:56:28,771 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-06 18:56:28,779 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 18:56:28,780 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 18:56:28,781 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 18:56:28,782 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-06 18:56:28,796 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 18:56:28,796 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 18:56:28,797 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 18:56:28,798 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 18:56:28,798 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 18:56:28,798 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 18:56:28,798 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 18:56:28,798 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 18:56:28,799 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 18:56:28,799 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 18:56:28,799 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 18:56:28,799 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 18:56:28,799 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 18:56:28,800 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 18:56:28,800 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 18:56:28,800 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 18:56:28,800 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 18:56:28,800 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 18:56:28,801 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 18:56:28,801 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 18:56:28,801 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 18:56:28,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 18:56:28,801 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 18:56:28,802 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 18:56:28,802 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 18:56:28,802 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 18:56:28,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 18:56:28,802 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 18:56:28,803 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 18:56:29,090 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 18:56:29,112 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 18:56:29,115 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 18:56:29,117 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 18:56:29,117 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 18:56:29,118 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label39.c [2019-11-06 18:56:29,192 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de982b68a/ed55825bc6e94ed6909dd84c978bbde0/FLAG1df2c5501 [2019-11-06 18:56:29,822 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 18:56:29,826 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label39.c [2019-11-06 18:56:29,841 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de982b68a/ed55825bc6e94ed6909dd84c978bbde0/FLAG1df2c5501 [2019-11-06 18:56:30,035 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de982b68a/ed55825bc6e94ed6909dd84c978bbde0 [2019-11-06 18:56:30,047 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 18:56:30,049 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 18:56:30,051 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 18:56:30,051 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 18:56:30,054 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 18:56:30,055 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 06:56:30" (1/1) ... [2019-11-06 18:56:30,058 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@311c2a43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:56:30, skipping insertion in model container [2019-11-06 18:56:30,059 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 06:56:30" (1/1) ... [2019-11-06 18:56:30,067 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 18:56:30,116 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 18:56:30,613 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 18:56:30,618 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 18:56:30,763 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 18:56:30,783 INFO L192 MainTranslator]: Completed translation [2019-11-06 18:56:30,784 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:56:30 WrapperNode [2019-11-06 18:56:30,784 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 18:56:30,785 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 18:56:30,785 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 18:56:30,785 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 18:56:30,799 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:56:30" (1/1) ... [2019-11-06 18:56:30,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:56:30" (1/1) ... [2019-11-06 18:56:30,818 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:56:30" (1/1) ... [2019-11-06 18:56:30,818 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:56:30" (1/1) ... [2019-11-06 18:56:30,858 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:56:30" (1/1) ... [2019-11-06 18:56:30,873 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:56:30" (1/1) ... [2019-11-06 18:56:30,878 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:56:30" (1/1) ... [2019-11-06 18:56:30,887 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 18:56:30,888 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 18:56:30,888 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 18:56:30,888 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 18:56:30,892 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:56:30" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 18:56:30,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 18:56:30,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 18:56:30,971 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-11-06 18:56:30,971 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 18:56:30,971 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-11-06 18:56:30,972 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 18:56:30,972 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 18:56:30,972 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-06 18:56:30,973 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 18:56:30,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 18:56:30,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 18:56:32,199 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 18:56:32,199 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-06 18:56:32,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 06:56:32 BoogieIcfgContainer [2019-11-06 18:56:32,201 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 18:56:32,205 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 18:56:32,205 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 18:56:32,210 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 18:56:32,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 06:56:30" (1/3) ... [2019-11-06 18:56:32,211 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20a989fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 06:56:32, skipping insertion in model container [2019-11-06 18:56:32,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 06:56:30" (2/3) ... [2019-11-06 18:56:32,212 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20a989fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 06:56:32, skipping insertion in model container [2019-11-06 18:56:32,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 06:56:32" (3/3) ... [2019-11-06 18:56:32,219 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label39.c [2019-11-06 18:56:32,232 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 18:56:32,241 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 18:56:32,252 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 18:56:32,280 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 18:56:32,280 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 18:56:32,280 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 18:56:32,280 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 18:56:32,281 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 18:56:32,281 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 18:56:32,281 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 18:56:32,281 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 18:56:32,305 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2019-11-06 18:56:32,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-11-06 18:56:32,320 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:56:32,321 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 18:56:32,323 INFO L410 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:56:32,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:56:32,328 INFO L82 PathProgramCache]: Analyzing trace with hash -223585418, now seen corresponding path program 1 times [2019-11-06 18:56:32,336 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:56:32,336 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694901406] [2019-11-06 18:56:32,337 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:56:32,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:56:32,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:56:32,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 18:56:32,999 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694901406] [2019-11-06 18:56:33,001 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 18:56:33,001 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-06 18:56:33,004 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053553590] [2019-11-06 18:56:33,011 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-06 18:56:33,012 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:56:33,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-06 18:56:33,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-06 18:56:33,035 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 5 states. [2019-11-06 18:56:35,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:56:35,014 INFO L93 Difference]: Finished difference Result 698 states and 1233 transitions. [2019-11-06 18:56:35,015 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-06 18:56:35,016 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 138 [2019-11-06 18:56:35,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:56:35,035 INFO L225 Difference]: With dead ends: 698 [2019-11-06 18:56:35,035 INFO L226 Difference]: Without dead ends: 423 [2019-11-06 18:56:35,043 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-11-06 18:56:35,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2019-11-06 18:56:35,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 417. [2019-11-06 18:56:35,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 417 states. [2019-11-06 18:56:35,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 585 transitions. [2019-11-06 18:56:35,159 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 585 transitions. Word has length 138 [2019-11-06 18:56:35,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:56:35,161 INFO L462 AbstractCegarLoop]: Abstraction has 417 states and 585 transitions. [2019-11-06 18:56:35,161 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-06 18:56:35,161 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 585 transitions. [2019-11-06 18:56:35,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-11-06 18:56:35,167 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:56:35,168 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 18:56:35,168 INFO L410 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:56:35,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:56:35,169 INFO L82 PathProgramCache]: Analyzing trace with hash -940546995, now seen corresponding path program 1 times [2019-11-06 18:56:35,169 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:56:35,169 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974507504] [2019-11-06 18:56:35,169 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:56:35,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:56:35,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:56:35,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:56:35,435 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 18:56:35,435 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974507504] [2019-11-06 18:56:35,435 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 18:56:35,436 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-06 18:56:35,436 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069425700] [2019-11-06 18:56:35,440 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-06 18:56:35,440 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:56:35,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-06 18:56:35,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-11-06 18:56:35,441 INFO L87 Difference]: Start difference. First operand 417 states and 585 transitions. Second operand 9 states. [2019-11-06 18:56:36,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:56:36,983 INFO L93 Difference]: Finished difference Result 1130 states and 1658 transitions. [2019-11-06 18:56:36,988 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-06 18:56:36,988 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 148 [2019-11-06 18:56:36,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:56:36,999 INFO L225 Difference]: With dead ends: 1130 [2019-11-06 18:56:36,999 INFO L226 Difference]: Without dead ends: 719 [2019-11-06 18:56:37,002 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2019-11-06 18:56:37,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2019-11-06 18:56:37,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 697. [2019-11-06 18:56:37,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 697 states. [2019-11-06 18:56:37,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 697 states and 978 transitions. [2019-11-06 18:56:37,063 INFO L78 Accepts]: Start accepts. Automaton has 697 states and 978 transitions. Word has length 148 [2019-11-06 18:56:37,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:56:37,064 INFO L462 AbstractCegarLoop]: Abstraction has 697 states and 978 transitions. [2019-11-06 18:56:37,064 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-06 18:56:37,064 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 978 transitions. [2019-11-06 18:56:37,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-11-06 18:56:37,073 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:56:37,074 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 18:56:37,074 INFO L410 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:56:37,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:56:37,074 INFO L82 PathProgramCache]: Analyzing trace with hash -2080872689, now seen corresponding path program 1 times [2019-11-06 18:56:37,075 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:56:37,075 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660965474] [2019-11-06 18:56:37,075 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:56:37,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:56:37,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:56:37,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:56:37,423 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 18:56:37,424 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660965474] [2019-11-06 18:56:37,424 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1357186054] [2019-11-06 18:56:37,424 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:56:37,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:56:37,513 INFO L256 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 18:56:37,525 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 18:56:37,630 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 18:56:37,630 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-06 18:56:37,630 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2019-11-06 18:56:37,632 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957897247] [2019-11-06 18:56:37,634 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 18:56:37,638 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:56:37,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 18:56:37,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-06 18:56:37,639 INFO L87 Difference]: Start difference. First operand 697 states and 978 transitions. Second operand 3 states. [2019-11-06 18:56:38,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:56:38,206 INFO L93 Difference]: Finished difference Result 1799 states and 2551 transitions. [2019-11-06 18:56:38,207 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 18:56:38,208 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 149 [2019-11-06 18:56:38,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:56:38,215 INFO L225 Difference]: With dead ends: 1799 [2019-11-06 18:56:38,215 INFO L226 Difference]: Without dead ends: 1108 [2019-11-06 18:56:38,218 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 153 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-06 18:56:38,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1108 states. [2019-11-06 18:56:38,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1108 to 1108. [2019-11-06 18:56:38,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1108 states. [2019-11-06 18:56:38,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 1108 states and 1506 transitions. [2019-11-06 18:56:38,288 INFO L78 Accepts]: Start accepts. Automaton has 1108 states and 1506 transitions. Word has length 149 [2019-11-06 18:56:38,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:56:38,289 INFO L462 AbstractCegarLoop]: Abstraction has 1108 states and 1506 transitions. [2019-11-06 18:56:38,289 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 18:56:38,289 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 1506 transitions. [2019-11-06 18:56:38,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-11-06 18:56:38,294 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:56:38,294 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 18:56:38,506 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:56:38,507 INFO L410 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:56:38,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:56:38,508 INFO L82 PathProgramCache]: Analyzing trace with hash 938454151, now seen corresponding path program 1 times [2019-11-06 18:56:38,508 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:56:38,508 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638202452] [2019-11-06 18:56:38,509 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:56:38,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:56:38,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:56:38,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:56:38,705 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 18:56:38,706 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638202452] [2019-11-06 18:56:38,706 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2032965650] [2019-11-06 18:56:38,706 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:56:38,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:56:38,804 INFO L256 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 18:56:38,810 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 18:56:38,843 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 18:56:38,844 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-06 18:56:38,844 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 6 [2019-11-06 18:56:38,844 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886080277] [2019-11-06 18:56:38,845 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 18:56:38,845 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:56:38,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 18:56:38,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-06 18:56:38,846 INFO L87 Difference]: Start difference. First operand 1108 states and 1506 transitions. Second operand 3 states. [2019-11-06 18:56:39,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:56:39,410 INFO L93 Difference]: Finished difference Result 2484 states and 3417 transitions. [2019-11-06 18:56:39,415 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 18:56:39,415 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2019-11-06 18:56:39,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:56:39,423 INFO L225 Difference]: With dead ends: 2484 [2019-11-06 18:56:39,424 INFO L226 Difference]: Without dead ends: 1382 [2019-11-06 18:56:39,426 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-06 18:56:39,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1382 states. [2019-11-06 18:56:39,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1382 to 1382. [2019-11-06 18:56:39,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1382 states. [2019-11-06 18:56:39,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1382 states to 1382 states and 1805 transitions. [2019-11-06 18:56:39,473 INFO L78 Accepts]: Start accepts. Automaton has 1382 states and 1805 transitions. Word has length 153 [2019-11-06 18:56:39,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:56:39,473 INFO L462 AbstractCegarLoop]: Abstraction has 1382 states and 1805 transitions. [2019-11-06 18:56:39,474 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 18:56:39,474 INFO L276 IsEmpty]: Start isEmpty. Operand 1382 states and 1805 transitions. [2019-11-06 18:56:39,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-11-06 18:56:39,479 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 18:56:39,479 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 18:56:39,683 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:56:39,684 INFO L410 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 18:56:39,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 18:56:39,684 INFO L82 PathProgramCache]: Analyzing trace with hash -2018922562, now seen corresponding path program 1 times [2019-11-06 18:56:39,685 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 18:56:39,685 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662438788] [2019-11-06 18:56:39,685 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 18:56:39,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:56:39,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:56:39,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:56:39,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:56:39,876 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 36 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-06 18:56:39,876 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662438788] [2019-11-06 18:56:39,876 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1591291449] [2019-11-06 18:56:39,876 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:56:39,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 18:56:39,976 INFO L256 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-06 18:56:39,981 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 18:56:40,039 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-06 18:56:40,040 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-06 18:56:40,040 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2019-11-06 18:56:40,040 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834844832] [2019-11-06 18:56:40,041 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 18:56:40,041 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 18:56:40,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 18:56:40,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-11-06 18:56:40,042 INFO L87 Difference]: Start difference. First operand 1382 states and 1805 transitions. Second operand 3 states. [2019-11-06 18:56:40,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 18:56:40,587 INFO L93 Difference]: Finished difference Result 2756 states and 3615 transitions. [2019-11-06 18:56:40,590 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 18:56:40,590 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 172 [2019-11-06 18:56:40,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 18:56:40,590 INFO L225 Difference]: With dead ends: 2756 [2019-11-06 18:56:40,591 INFO L226 Difference]: Without dead ends: 0 [2019-11-06 18:56:40,596 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2019-11-06 18:56:40,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-06 18:56:40,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-06 18:56:40,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-06 18:56:40,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-06 18:56:40,597 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 172 [2019-11-06 18:56:40,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 18:56:40,597 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-06 18:56:40,597 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 18:56:40,597 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-06 18:56:40,598 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-06 18:56:40,801 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 18:56:40,808 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-06 18:56:41,234 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 35 [2019-11-06 18:56:41,347 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-11-06 18:56:41,348 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~z~0 |old(~z~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a21~0 |old(~a21~0)|) (= ~c~0 |old(~c~0)|) (= ~a7~0 |old(~a7~0)|) (= ~v~0 |old(~v~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= ~y~0 |old(~y~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~b~0 |old(~b~0)|) (= ~a20~0 |old(~a20~0)|) (= ~d~0 |old(~d~0)|)) [2019-11-06 18:56:41,348 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-06 18:56:41,348 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2019-11-06 18:56:41,348 INFO L443 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2019-11-06 18:56:41,349 INFO L443 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:56:41,349 INFO L443 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:56:41,349 INFO L443 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:56:41,349 INFO L443 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:56:41,349 INFO L443 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:56:41,349 INFO L443 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:56:41,349 INFO L443 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2019-11-06 18:56:41,350 INFO L443 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2019-11-06 18:56:41,350 INFO L443 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2019-11-06 18:56:41,350 INFO L443 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2019-11-06 18:56:41,350 INFO L443 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2019-11-06 18:56:41,350 INFO L443 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2019-11-06 18:56:41,350 INFO L443 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2019-11-06 18:56:41,350 INFO L443 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2019-11-06 18:56:41,351 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2019-11-06 18:56:41,351 INFO L443 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2019-11-06 18:56:41,351 INFO L443 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:56:41,351 INFO L443 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:56:41,351 INFO L443 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:56:41,351 INFO L443 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:56:41,351 INFO L443 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:56:41,351 INFO L443 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:56:41,352 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2019-11-06 18:56:41,352 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2019-11-06 18:56:41,352 INFO L443 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2019-11-06 18:56:41,352 INFO L443 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2019-11-06 18:56:41,352 INFO L443 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2019-11-06 18:56:41,352 INFO L443 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2019-11-06 18:56:41,352 INFO L443 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2019-11-06 18:56:41,352 INFO L443 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2019-11-06 18:56:41,353 INFO L443 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2019-11-06 18:56:41,353 INFO L443 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2019-11-06 18:56:41,353 INFO L443 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2019-11-06 18:56:41,353 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2019-11-06 18:56:41,353 INFO L443 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2019-11-06 18:56:41,353 INFO L443 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2019-11-06 18:56:41,353 INFO L443 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2019-11-06 18:56:41,353 INFO L443 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:56:41,354 INFO L443 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:56:41,354 INFO L443 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:56:41,354 INFO L443 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:56:41,354 INFO L443 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:56:41,354 INFO L443 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2019-11-06 18:56:41,354 INFO L443 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2019-11-06 18:56:41,354 INFO L443 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2019-11-06 18:56:41,354 INFO L443 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2019-11-06 18:56:41,355 INFO L443 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2019-11-06 18:56:41,355 INFO L443 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2019-11-06 18:56:41,355 INFO L443 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2019-11-06 18:56:41,355 INFO L443 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2019-11-06 18:56:41,355 INFO L443 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2019-11-06 18:56:41,355 INFO L443 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:56:41,355 INFO L443 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:56:41,355 INFO L443 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:56:41,355 INFO L443 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:56:41,356 INFO L443 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:56:41,356 INFO L443 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2019-11-06 18:56:41,356 INFO L443 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2019-11-06 18:56:41,356 INFO L443 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2019-11-06 18:56:41,356 INFO L443 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2019-11-06 18:56:41,356 INFO L443 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2019-11-06 18:56:41,356 INFO L443 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2019-11-06 18:56:41,356 INFO L443 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2019-11-06 18:56:41,356 INFO L443 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2019-11-06 18:56:41,357 INFO L443 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2019-11-06 18:56:41,357 INFO L443 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2019-11-06 18:56:41,357 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2019-11-06 18:56:41,357 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2019-11-06 18:56:41,357 INFO L443 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2019-11-06 18:56:41,357 INFO L443 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:56:41,357 INFO L443 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:56:41,357 INFO L443 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:56:41,358 INFO L443 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:56:41,358 INFO L443 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:56:41,358 INFO L443 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2019-11-06 18:56:41,358 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2019-11-06 18:56:41,358 INFO L443 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2019-11-06 18:56:41,358 INFO L443 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2019-11-06 18:56:41,358 INFO L443 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2019-11-06 18:56:41,359 INFO L443 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2019-11-06 18:56:41,359 INFO L443 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2019-11-06 18:56:41,359 INFO L443 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2019-11-06 18:56:41,359 INFO L443 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2019-11-06 18:56:41,359 INFO L443 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:56:41,359 INFO L443 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:56:41,359 INFO L443 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:56:41,359 INFO L443 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:56:41,360 INFO L443 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:56:41,360 INFO L443 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:56:41,360 INFO L443 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2019-11-06 18:56:41,360 INFO L443 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:56:41,360 INFO L443 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2019-11-06 18:56:41,360 INFO L443 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2019-11-06 18:56:41,360 INFO L443 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2019-11-06 18:56:41,360 INFO L443 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2019-11-06 18:56:41,361 INFO L443 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2019-11-06 18:56:41,361 INFO L443 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2019-11-06 18:56:41,361 INFO L443 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2019-11-06 18:56:41,361 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2019-11-06 18:56:41,361 INFO L443 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2019-11-06 18:56:41,361 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2019-11-06 18:56:41,361 INFO L443 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 572) no Hoare annotation was computed. [2019-11-06 18:56:41,361 INFO L443 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2019-11-06 18:56:41,361 INFO L443 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2019-11-06 18:56:41,362 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2019-11-06 18:56:41,362 INFO L443 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:56:41,362 INFO L443 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:56:41,362 INFO L443 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:56:41,362 INFO L443 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:56:41,362 INFO L443 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:56:41,362 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2019-11-06 18:56:41,363 INFO L443 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2019-11-06 18:56:41,363 INFO L443 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2019-11-06 18:56:41,363 INFO L443 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2019-11-06 18:56:41,363 INFO L443 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2019-11-06 18:56:41,363 INFO L443 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2019-11-06 18:56:41,363 INFO L443 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2019-11-06 18:56:41,363 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2019-11-06 18:56:41,363 INFO L443 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:56:41,364 INFO L443 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:56:41,364 INFO L443 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:56:41,364 INFO L443 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:56:41,364 INFO L443 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:56:41,364 INFO L443 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2019-11-06 18:56:41,364 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2019-11-06 18:56:41,364 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2019-11-06 18:56:41,364 INFO L443 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2019-11-06 18:56:41,365 INFO L443 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2019-11-06 18:56:41,365 INFO L443 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2019-11-06 18:56:41,365 INFO L443 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2019-11-06 18:56:41,365 INFO L443 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2019-11-06 18:56:41,365 INFO L443 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2019-11-06 18:56:41,365 INFO L443 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2019-11-06 18:56:41,366 INFO L439 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse0 (and (= ~a21~0 |old(~a21~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a20~0 |old(~a20~0)|)))) (and (or .cse0 (not (<= |old(~a21~0)| 0))) (or .cse0 (not (<= |old(~a16~0)| 4))) (or .cse0 (not (<= 6 |old(~a16~0)|))) (or .cse0 (= 13 |old(~a8~0)|)))) [2019-11-06 18:56:41,366 INFO L443 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2019-11-06 18:56:41,366 INFO L443 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:56:41,366 INFO L443 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:56:41,366 INFO L443 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:56:41,366 INFO L443 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:56:41,366 INFO L443 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2019-11-06 18:56:41,367 INFO L443 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:56:41,367 INFO L443 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:56:41,367 INFO L443 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2019-11-06 18:56:41,367 INFO L443 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2019-11-06 18:56:41,367 INFO L443 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2019-11-06 18:56:41,367 INFO L443 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2019-11-06 18:56:41,367 INFO L443 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2019-11-06 18:56:41,367 INFO L443 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2019-11-06 18:56:41,368 INFO L443 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2019-11-06 18:56:41,368 INFO L443 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2019-11-06 18:56:41,368 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2019-11-06 18:56:41,368 INFO L443 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2019-11-06 18:56:41,368 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2019-11-06 18:56:41,368 INFO L443 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2019-11-06 18:56:41,368 INFO L443 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:56:41,368 INFO L443 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:56:41,369 INFO L443 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:56:41,369 INFO L443 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:56:41,369 INFO L443 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:56:41,369 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2019-11-06 18:56:41,369 INFO L443 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:56:41,369 INFO L443 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2019-11-06 18:56:41,369 INFO L443 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2019-11-06 18:56:41,369 INFO L443 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2019-11-06 18:56:41,370 INFO L443 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2019-11-06 18:56:41,370 INFO L443 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2019-11-06 18:56:41,370 INFO L443 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2019-11-06 18:56:41,370 INFO L443 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2019-11-06 18:56:41,370 INFO L443 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2019-11-06 18:56:41,370 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2019-11-06 18:56:41,370 INFO L443 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2019-11-06 18:56:41,370 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2019-11-06 18:56:41,370 INFO L443 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2019-11-06 18:56:41,371 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2019-11-06 18:56:41,371 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2019-11-06 18:56:41,371 INFO L443 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:56:41,371 INFO L443 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:56:41,371 INFO L443 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:56:41,371 INFO L443 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:56:41,371 INFO L443 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:56:41,371 INFO L443 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2019-11-06 18:56:41,372 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2019-11-06 18:56:41,372 INFO L443 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2019-11-06 18:56:41,372 INFO L443 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2019-11-06 18:56:41,372 INFO L443 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2019-11-06 18:56:41,372 INFO L443 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2019-11-06 18:56:41,372 INFO L443 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2019-11-06 18:56:41,372 INFO L443 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2019-11-06 18:56:41,372 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2019-11-06 18:56:41,373 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2019-11-06 18:56:41,373 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2019-11-06 18:56:41,373 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-06 18:56:41,373 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= 15 ~a8~0) (<= ~a16~0 5)) [2019-11-06 18:56:41,373 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-06 18:56:41,373 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-06 18:56:41,374 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (<= |old(~a16~0)| 5)) (and (= ~a21~0 |old(~a21~0)|) (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 |old(~a8~0)|) (= ~a20~0 |old(~a20~0)|)) (not (<= 15 |old(~a8~0)|))) [2019-11-06 18:56:41,374 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2019-11-06 18:56:41,374 INFO L439 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (or (<= ~a21~0 0) (not (<= |old(~a16~0)| 5)) (<= ~a16~0 4) (not (= ~a8~0 13)) (<= 6 ~a16~0) (not (<= 15 |old(~a8~0)|))) [2019-11-06 18:56:41,374 INFO L443 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2019-11-06 18:56:41,374 INFO L443 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2019-11-06 18:56:41,374 INFO L439 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (or (<= ~a21~0 0) (not (<= |old(~a16~0)| 5)) (<= ~a16~0 4) (not (= ~a8~0 13)) (<= 6 ~a16~0) (not (<= 15 |old(~a8~0)|))) [2019-11-06 18:56:41,374 INFO L443 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2019-11-06 18:56:41,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 06:56:41 BoogieIcfgContainer [2019-11-06 18:56:41,392 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-06 18:56:41,394 INFO L168 Benchmark]: Toolchain (without parser) took 11345.14 ms. Allocated memory was 144.2 MB in the beginning and 359.1 MB in the end (delta: 215.0 MB). Free memory was 100.0 MB in the beginning and 164.5 MB in the end (delta: -64.5 MB). Peak memory consumption was 150.5 MB. Max. memory is 7.1 GB. [2019-11-06 18:56:41,395 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 144.2 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-06 18:56:41,396 INFO L168 Benchmark]: CACSL2BoogieTranslator took 733.75 ms. Allocated memory was 144.2 MB in the beginning and 203.9 MB in the end (delta: 59.8 MB). Free memory was 99.8 MB in the beginning and 169.6 MB in the end (delta: -69.8 MB). Peak memory consumption was 31.9 MB. Max. memory is 7.1 GB. [2019-11-06 18:56:41,397 INFO L168 Benchmark]: Boogie Preprocessor took 102.94 ms. Allocated memory is still 203.9 MB. Free memory was 169.6 MB in the beginning and 164.6 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2019-11-06 18:56:41,398 INFO L168 Benchmark]: RCFGBuilder took 1315.94 ms. Allocated memory was 203.9 MB in the beginning and 235.4 MB in the end (delta: 31.5 MB). Free memory was 164.6 MB in the beginning and 179.8 MB in the end (delta: -15.2 MB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. [2019-11-06 18:56:41,399 INFO L168 Benchmark]: TraceAbstraction took 9187.12 ms. Allocated memory was 235.4 MB in the beginning and 359.1 MB in the end (delta: 123.7 MB). Free memory was 179.8 MB in the beginning and 164.5 MB in the end (delta: 15.3 MB). Peak memory consumption was 139.0 MB. Max. memory is 7.1 GB. [2019-11-06 18:56:41,403 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 ms. Allocated memory is still 144.2 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 733.75 ms. Allocated memory was 144.2 MB in the beginning and 203.9 MB in the end (delta: 59.8 MB). Free memory was 99.8 MB in the beginning and 169.6 MB in the end (delta: -69.8 MB). Peak memory consumption was 31.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 102.94 ms. Allocated memory is still 203.9 MB. Free memory was 169.6 MB in the beginning and 164.6 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1315.94 ms. Allocated memory was 203.9 MB in the beginning and 235.4 MB in the end (delta: 31.5 MB). Free memory was 164.6 MB in the beginning and 179.8 MB in the end (delta: -15.2 MB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 9187.12 ms. Allocated memory was 235.4 MB in the beginning and 359.1 MB in the end (delta: 123.7 MB). Free memory was 179.8 MB in the beginning and 164.5 MB in the end (delta: 15.3 MB). Peak memory consumption was 139.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 572]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((a21 <= 0 || !(\old(a16) <= 5)) || a16 <= 4) || !(a8 == 13)) || 6 <= a16) || !(15 <= \old(a8)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. Result: SAFE, OverallTime: 9.0s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 5.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, HoareTripleCheckerStatistics: 679 SDtfs, 1002 SDslu, 109 SDs, 0 SdLazy, 2687 SolverSat, 583 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 526 GetRequests, 490 SyntacticMatches, 4 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1382occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 28 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 43 PreInvPairs, 63 NumberOfFragments, 234 HoareAnnotationTreeSize, 43 FomulaSimplifications, 1354 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 732 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 1234 NumberOfCodeBlocks, 1234 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1226 ConstructedInterpolants, 0 QuantifiedInterpolants, 822659 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1223 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 121/125 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...