/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 CAMEL_NO_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label26.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 21:36:09,515 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 21:36:09,518 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 21:36:09,530 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 21:36:09,531 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 21:36:09,532 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 21:36:09,533 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 21:36:09,535 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 21:36:09,537 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 21:36:09,538 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 21:36:09,539 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 21:36:09,540 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 21:36:09,540 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 21:36:09,541 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 21:36:09,542 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 21:36:09,543 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 21:36:09,544 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 21:36:09,545 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 21:36:09,547 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 21:36:09,549 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 21:36:09,551 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 21:36:09,552 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 21:36:09,553 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 21:36:09,554 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 21:36:09,557 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-19 21:36:09,557 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-19 21:36:09,557 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-19 21:36:09,558 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-19 21:36:09,559 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-19 21:36:09,559 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-19 21:36:09,560 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-19 21:36:09,560 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-19 21:36:09,561 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-19 21:36:09,562 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-19 21:36:09,563 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-19 21:36:09,563 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-19 21:36:09,564 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-19 21:36:09,564 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-19 21:36:09,564 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 21:36:09,565 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 21:36:09,566 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 21:36:09,567 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-19 21:36:09,588 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 21:36:09,589 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 21:36:09,590 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 21:36:09,590 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 21:36:09,590 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 21:36:09,591 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 21:36:09,591 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 21:36:09,591 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 21:36:09,592 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 21:36:09,593 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 21:36:09,593 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 21:36:09,593 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 21:36:09,594 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 21:36:09,595 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 21:36:09,595 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 21:36:09,595 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 21:36:09,595 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 21:36:09,596 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 21:36:09,596 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 21:36:09,596 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 21:36:09,596 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 21:36:09,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 21:36:09,597 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 21:36:09,597 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 21:36:09,597 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 21:36:09,597 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 21:36:09,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 21:36:09,597 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 21:36:09,598 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 21:36:09,598 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_NO_AM [2020-07-19 21:36:09,900 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 21:36:09,914 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 21:36:09,917 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 21:36:09,918 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 21:36:09,919 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 21:36:09,920 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label26.c [2020-07-19 21:36:09,994 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f0574630/d45b824b9dda4a53bb9989907220c4c2/FLAG0adb39ead [2020-07-19 21:36:10,551 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 21:36:10,552 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label26.c [2020-07-19 21:36:10,563 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f0574630/d45b824b9dda4a53bb9989907220c4c2/FLAG0adb39ead [2020-07-19 21:36:10,834 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f0574630/d45b824b9dda4a53bb9989907220c4c2 [2020-07-19 21:36:10,842 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 21:36:10,846 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 21:36:10,847 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 21:36:10,847 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 21:36:10,852 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 21:36:10,853 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:36:10" (1/1) ... [2020-07-19 21:36:10,856 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d76e0e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:36:10, skipping insertion in model container [2020-07-19 21:36:10,856 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 09:36:10" (1/1) ... [2020-07-19 21:36:10,865 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 21:36:10,923 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 21:36:11,469 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 21:36:11,476 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 21:36:11,590 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 21:36:11,608 INFO L208 MainTranslator]: Completed translation [2020-07-19 21:36:11,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:36:11 WrapperNode [2020-07-19 21:36:11,609 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 21:36:11,610 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 21:36:11,610 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 21:36:11,610 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 21:36:11,623 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:36:11" (1/1) ... [2020-07-19 21:36:11,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:36:11" (1/1) ... [2020-07-19 21:36:11,644 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:36:11" (1/1) ... [2020-07-19 21:36:11,645 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:36:11" (1/1) ... [2020-07-19 21:36:11,681 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:36:11" (1/1) ... [2020-07-19 21:36:11,698 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:36:11" (1/1) ... [2020-07-19 21:36:11,702 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:36:11" (1/1) ... [2020-07-19 21:36:11,708 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 21:36:11,709 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 21:36:11,709 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 21:36:11,709 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 21:36:11,710 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:36:11" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 21:36:11,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 21:36:11,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 21:36:11,785 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-07-19 21:36:11,785 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 21:36:11,785 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-07-19 21:36:11,786 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 21:36:11,786 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 21:36:11,786 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-19 21:36:11,786 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 21:36:11,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 21:36:11,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 21:36:12,993 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 21:36:12,994 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-07-19 21:36:13,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:36:13 BoogieIcfgContainer [2020-07-19 21:36:13,006 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 21:36:13,008 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 21:36:13,008 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 21:36:13,012 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 21:36:13,012 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 09:36:10" (1/3) ... [2020-07-19 21:36:13,013 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@336a0d5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:36:13, skipping insertion in model container [2020-07-19 21:36:13,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 09:36:11" (2/3) ... [2020-07-19 21:36:13,013 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@336a0d5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 09:36:13, skipping insertion in model container [2020-07-19 21:36:13,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 09:36:13" (3/3) ... [2020-07-19 21:36:13,017 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label26.c [2020-07-19 21:36:13,028 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 21:36:13,041 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 21:36:13,056 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 21:36:13,090 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 21:36:13,091 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 21:36:13,091 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 21:36:13,091 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 21:36:13,091 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 21:36:13,091 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 21:36:13,092 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 21:36:13,092 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 21:36:13,118 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2020-07-19 21:36:13,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-07-19 21:36:13,143 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:36:13,144 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:36:13,144 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:36:13,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:36:13,151 INFO L82 PathProgramCache]: Analyzing trace with hash 2085668238, now seen corresponding path program 1 times [2020-07-19 21:36:13,162 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:36:13,162 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28775943] [2020-07-19 21:36:13,163 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5f84477e [2020-07-19 21:36:13,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:13,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:13,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:36:13,835 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28775943] [2020-07-19 21:36:13,837 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:36:13,837 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 21:36:13,839 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573119147] [2020-07-19 21:36:13,851 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-19 21:36:13,851 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:36:13,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-19 21:36:13,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-19 21:36:13,873 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 5 states. [2020-07-19 21:36:15,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:36:15,513 INFO L93 Difference]: Finished difference Result 627 states and 1073 transitions. [2020-07-19 21:36:15,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-19 21:36:15,518 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 142 [2020-07-19 21:36:15,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:36:15,535 INFO L225 Difference]: With dead ends: 627 [2020-07-19 21:36:15,535 INFO L226 Difference]: Without dead ends: 327 [2020-07-19 21:36:15,544 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-07-19 21:36:15,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2020-07-19 21:36:15,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 319. [2020-07-19 21:36:15,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2020-07-19 21:36:15,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 480 transitions. [2020-07-19 21:36:15,623 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 480 transitions. Word has length 142 [2020-07-19 21:36:15,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:36:15,624 INFO L479 AbstractCegarLoop]: Abstraction has 319 states and 480 transitions. [2020-07-19 21:36:15,624 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-19 21:36:15,624 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 480 transitions. [2020-07-19 21:36:15,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-07-19 21:36:15,631 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:36:15,631 INFO L422 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, 1, 1, 1, 1] [2020-07-19 21:36:15,632 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 21:36:15,632 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:36:15,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:36:15,633 INFO L82 PathProgramCache]: Analyzing trace with hash -2119639181, now seen corresponding path program 1 times [2020-07-19 21:36:15,633 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:36:15,633 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278569812] [2020-07-19 21:36:15,633 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5f84477e [2020-07-19 21:36:15,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:15,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:15,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:15,859 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:36:15,859 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278569812] [2020-07-19 21:36:15,860 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:36:15,860 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-19 21:36:15,860 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264698606] [2020-07-19 21:36:15,862 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 21:36:15,862 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:36:15,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 21:36:15,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-19 21:36:15,863 INFO L87 Difference]: Start difference. First operand 319 states and 480 transitions. Second operand 8 states. [2020-07-19 21:36:16,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:36:16,757 INFO L93 Difference]: Finished difference Result 635 states and 968 transitions. [2020-07-19 21:36:16,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-19 21:36:16,758 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 157 [2020-07-19 21:36:16,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:36:16,765 INFO L225 Difference]: With dead ends: 635 [2020-07-19 21:36:16,766 INFO L226 Difference]: Without dead ends: 322 [2020-07-19 21:36:16,768 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-07-19 21:36:16,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2020-07-19 21:36:16,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 310. [2020-07-19 21:36:16,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2020-07-19 21:36:16,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 437 transitions. [2020-07-19 21:36:16,819 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 437 transitions. Word has length 157 [2020-07-19 21:36:16,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:36:16,821 INFO L479 AbstractCegarLoop]: Abstraction has 310 states and 437 transitions. [2020-07-19 21:36:16,821 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 21:36:16,822 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 437 transitions. [2020-07-19 21:36:16,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-07-19 21:36:16,828 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:36:16,829 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:36:16,829 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 21:36:16,829 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:36:16,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:36:16,830 INFO L82 PathProgramCache]: Analyzing trace with hash 1005880998, now seen corresponding path program 1 times [2020-07-19 21:36:16,830 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:36:16,833 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28621676] [2020-07-19 21:36:16,834 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5f84477e [2020-07-19 21:36:16,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:16,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:16,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:17,057 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:36:17,058 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28621676] [2020-07-19 21:36:17,058 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 21:36:17,059 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-19 21:36:17,059 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783842166] [2020-07-19 21:36:17,060 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 21:36:17,060 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:36:17,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 21:36:17,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-19 21:36:17,061 INFO L87 Difference]: Start difference. First operand 310 states and 437 transitions. Second operand 8 states. [2020-07-19 21:36:18,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:36:18,947 INFO L93 Difference]: Finished difference Result 1090 states and 1576 transitions. [2020-07-19 21:36:18,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-19 21:36:18,950 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 164 [2020-07-19 21:36:18,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:36:18,955 INFO L225 Difference]: With dead ends: 1090 [2020-07-19 21:36:18,956 INFO L226 Difference]: Without dead ends: 786 [2020-07-19 21:36:18,957 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-07-19 21:36:18,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2020-07-19 21:36:18,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 614. [2020-07-19 21:36:18,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 614 states. [2020-07-19 21:36:18,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 801 transitions. [2020-07-19 21:36:18,992 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 801 transitions. Word has length 164 [2020-07-19 21:36:18,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:36:18,992 INFO L479 AbstractCegarLoop]: Abstraction has 614 states and 801 transitions. [2020-07-19 21:36:18,993 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 21:36:18,993 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 801 transitions. [2020-07-19 21:36:18,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-07-19 21:36:18,996 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:36:18,997 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:36:18,997 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-19 21:36:18,997 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:36:18,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:36:18,998 INFO L82 PathProgramCache]: Analyzing trace with hash -393389681, now seen corresponding path program 1 times [2020-07-19 21:36:18,998 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:36:18,998 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093545196] [2020-07-19 21:36:18,999 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5f84477e [2020-07-19 21:36:19,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:19,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:19,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:19,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:19,240 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-19 21:36:19,240 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093545196] [2020-07-19 21:36:19,241 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1647156043] [2020-07-19 21:36:19,241 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5f84477e No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:36:19,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:19,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 21:36:19,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:36:19,528 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-19 21:36:19,529 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 21:36:19,529 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2020-07-19 21:36:19,530 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133816214] [2020-07-19 21:36:19,531 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 21:36:19,531 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:36:19,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 21:36:19,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-19 21:36:19,532 INFO L87 Difference]: Start difference. First operand 614 states and 801 transitions. Second operand 3 states. [2020-07-19 21:36:20,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:36:20,061 INFO L93 Difference]: Finished difference Result 1673 states and 2199 transitions. [2020-07-19 21:36:20,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 21:36:20,062 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 177 [2020-07-19 21:36:20,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:36:20,073 INFO L225 Difference]: With dead ends: 1673 [2020-07-19 21:36:20,073 INFO L226 Difference]: Without dead ends: 1065 [2020-07-19 21:36:20,076 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-19 21:36:20,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1065 states. [2020-07-19 21:36:20,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1065 to 918. [2020-07-19 21:36:20,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 918 states. [2020-07-19 21:36:20,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 918 states and 1154 transitions. [2020-07-19 21:36:20,130 INFO L78 Accepts]: Start accepts. Automaton has 918 states and 1154 transitions. Word has length 177 [2020-07-19 21:36:20,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:36:20,132 INFO L479 AbstractCegarLoop]: Abstraction has 918 states and 1154 transitions. [2020-07-19 21:36:20,132 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 21:36:20,132 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1154 transitions. [2020-07-19 21:36:20,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-07-19 21:36:20,136 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:36:20,137 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:36:20,350 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:36:20,351 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:36:20,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:36:20,352 INFO L82 PathProgramCache]: Analyzing trace with hash 1336045319, now seen corresponding path program 1 times [2020-07-19 21:36:20,352 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:36:20,353 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921862345] [2020-07-19 21:36:20,353 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5f84477e [2020-07-19 21:36:20,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:20,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:20,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:20,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:20,554 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-19 21:36:20,555 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921862345] [2020-07-19 21:36:20,556 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [570216625] [2020-07-19 21:36:20,556 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5f84477e No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:36:20,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:20,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 21:36:20,682 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:36:20,746 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 40 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:36:20,747 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:36:20,747 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 10 [2020-07-19 21:36:20,747 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615896714] [2020-07-19 21:36:20,748 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-19 21:36:20,748 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:36:20,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-19 21:36:20,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-19 21:36:20,749 INFO L87 Difference]: Start difference. First operand 918 states and 1154 transitions. Second operand 10 states. [2020-07-19 21:36:23,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:36:24,001 INFO L93 Difference]: Finished difference Result 3327 states and 4448 transitions. [2020-07-19 21:36:24,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-19 21:36:24,001 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 181 [2020-07-19 21:36:24,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:36:24,018 INFO L225 Difference]: With dead ends: 3327 [2020-07-19 21:36:24,018 INFO L226 Difference]: Without dead ends: 2415 [2020-07-19 21:36:24,023 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2020-07-19 21:36:24,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2415 states. [2020-07-19 21:36:24,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2415 to 2250. [2020-07-19 21:36:24,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2250 states. [2020-07-19 21:36:24,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2250 states to 2250 states and 2734 transitions. [2020-07-19 21:36:24,114 INFO L78 Accepts]: Start accepts. Automaton has 2250 states and 2734 transitions. Word has length 181 [2020-07-19 21:36:24,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:36:24,115 INFO L479 AbstractCegarLoop]: Abstraction has 2250 states and 2734 transitions. [2020-07-19 21:36:24,116 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-19 21:36:24,116 INFO L276 IsEmpty]: Start isEmpty. Operand 2250 states and 2734 transitions. [2020-07-19 21:36:24,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-07-19 21:36:24,125 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:36:24,125 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:36:24,341 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:36:24,342 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:36:24,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:36:24,343 INFO L82 PathProgramCache]: Analyzing trace with hash 955298983, now seen corresponding path program 1 times [2020-07-19 21:36:24,344 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:36:24,344 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115895362] [2020-07-19 21:36:24,345 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5f84477e [2020-07-19 21:36:24,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:24,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:24,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:24,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:24,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:24,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:24,593 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 67 proven. 22 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-07-19 21:36:24,593 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115895362] [2020-07-19 21:36:24,595 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1663989876] [2020-07-19 21:36:24,595 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5f84477e No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:36:24,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:24,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-19 21:36:24,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:36:24,910 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2020-07-19 21:36:24,910 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 21:36:24,911 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2020-07-19 21:36:24,911 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249278746] [2020-07-19 21:36:24,912 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-19 21:36:24,913 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:36:24,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-19 21:36:24,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-19 21:36:24,915 INFO L87 Difference]: Start difference. First operand 2250 states and 2734 transitions. Second operand 5 states. [2020-07-19 21:36:25,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:36:25,850 INFO L93 Difference]: Finished difference Result 6151 states and 7634 transitions. [2020-07-19 21:36:25,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-19 21:36:25,852 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 209 [2020-07-19 21:36:25,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:36:25,872 INFO L225 Difference]: With dead ends: 6151 [2020-07-19 21:36:25,872 INFO L226 Difference]: Without dead ends: 3911 [2020-07-19 21:36:25,879 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-07-19 21:36:25,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3911 states. [2020-07-19 21:36:25,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3911 to 3743. [2020-07-19 21:36:25,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3743 states. [2020-07-19 21:36:26,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3743 states to 3743 states and 4593 transitions. [2020-07-19 21:36:26,005 INFO L78 Accepts]: Start accepts. Automaton has 3743 states and 4593 transitions. Word has length 209 [2020-07-19 21:36:26,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:36:26,006 INFO L479 AbstractCegarLoop]: Abstraction has 3743 states and 4593 transitions. [2020-07-19 21:36:26,006 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-19 21:36:26,006 INFO L276 IsEmpty]: Start isEmpty. Operand 3743 states and 4593 transitions. [2020-07-19 21:36:26,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-07-19 21:36:26,021 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:36:26,021 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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, 1] [2020-07-19 21:36:26,235 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:36:26,236 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:36:26,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:36:26,237 INFO L82 PathProgramCache]: Analyzing trace with hash -1834298593, now seen corresponding path program 1 times [2020-07-19 21:36:26,238 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:36:26,238 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500638837] [2020-07-19 21:36:26,238 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5f84477e [2020-07-19 21:36:26,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:26,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:26,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:26,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:26,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:26,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:26,427 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 75 proven. 22 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-07-19 21:36:26,428 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500638837] [2020-07-19 21:36:26,428 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1137590202] [2020-07-19 21:36:26,429 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5f84477e No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:36:26,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:26,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 555 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 21:36:26,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:36:26,647 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 81 proven. 2 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-07-19 21:36:26,647 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:36:26,647 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 10 [2020-07-19 21:36:26,648 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593819866] [2020-07-19 21:36:26,649 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-19 21:36:26,649 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:36:26,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-19 21:36:26,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-19 21:36:26,650 INFO L87 Difference]: Start difference. First operand 3743 states and 4593 transitions. Second operand 10 states. [2020-07-19 21:36:28,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:36:28,712 INFO L93 Difference]: Finished difference Result 6515 states and 8087 transitions. [2020-07-19 21:36:28,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-07-19 21:36:28,715 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 213 [2020-07-19 21:36:28,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:36:28,733 INFO L225 Difference]: With dead ends: 6515 [2020-07-19 21:36:28,733 INFO L226 Difference]: Without dead ends: 3790 [2020-07-19 21:36:28,741 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=138, Invalid=414, Unknown=0, NotChecked=0, Total=552 [2020-07-19 21:36:28,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3790 states. [2020-07-19 21:36:28,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3790 to 3603. [2020-07-19 21:36:28,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3603 states. [2020-07-19 21:36:28,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3603 states to 3603 states and 4302 transitions. [2020-07-19 21:36:28,850 INFO L78 Accepts]: Start accepts. Automaton has 3603 states and 4302 transitions. Word has length 213 [2020-07-19 21:36:28,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:36:28,850 INFO L479 AbstractCegarLoop]: Abstraction has 3603 states and 4302 transitions. [2020-07-19 21:36:28,851 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-19 21:36:28,851 INFO L276 IsEmpty]: Start isEmpty. Operand 3603 states and 4302 transitions. [2020-07-19 21:36:28,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-07-19 21:36:28,864 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:36:28,864 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:36:29,077 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:36:29,078 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:36:29,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:36:29,079 INFO L82 PathProgramCache]: Analyzing trace with hash -1557426684, now seen corresponding path program 1 times [2020-07-19 21:36:29,079 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:36:29,080 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631006486] [2020-07-19 21:36:29,080 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5f84477e [2020-07-19 21:36:29,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:29,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:29,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:29,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:29,332 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 77 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-19 21:36:29,333 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631006486] [2020-07-19 21:36:29,333 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1507572915] [2020-07-19 21:36:29,334 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5f84477e No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:36:29,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:29,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-19 21:36:29,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:36:29,470 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 78 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 21:36:29,470 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:36:29,470 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 7 [2020-07-19 21:36:29,471 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848266680] [2020-07-19 21:36:29,471 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-19 21:36:29,472 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:36:29,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-19 21:36:29,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-19 21:36:29,472 INFO L87 Difference]: Start difference. First operand 3603 states and 4302 transitions. Second operand 7 states. [2020-07-19 21:36:30,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:36:30,604 INFO L93 Difference]: Finished difference Result 6925 states and 8397 transitions. [2020-07-19 21:36:30,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-19 21:36:30,605 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 221 [2020-07-19 21:36:30,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:36:30,618 INFO L225 Difference]: With dead ends: 6925 [2020-07-19 21:36:30,619 INFO L226 Difference]: Without dead ends: 3012 [2020-07-19 21:36:30,629 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-19 21:36:30,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3012 states. [2020-07-19 21:36:30,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3012 to 2980. [2020-07-19 21:36:30,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2980 states. [2020-07-19 21:36:30,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2980 states to 2980 states and 3290 transitions. [2020-07-19 21:36:30,708 INFO L78 Accepts]: Start accepts. Automaton has 2980 states and 3290 transitions. Word has length 221 [2020-07-19 21:36:30,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:36:30,709 INFO L479 AbstractCegarLoop]: Abstraction has 2980 states and 3290 transitions. [2020-07-19 21:36:30,709 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-19 21:36:30,709 INFO L276 IsEmpty]: Start isEmpty. Operand 2980 states and 3290 transitions. [2020-07-19 21:36:30,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2020-07-19 21:36:30,719 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:36:30,719 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2020-07-19 21:36:30,933 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:36:30,934 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:36:30,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:36:30,936 INFO L82 PathProgramCache]: Analyzing trace with hash 1660093140, now seen corresponding path program 1 times [2020-07-19 21:36:30,936 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:36:30,938 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126535417] [2020-07-19 21:36:30,943 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5f84477e [2020-07-19 21:36:30,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:31,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:31,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:31,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:31,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:31,265 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 125 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-19 21:36:31,266 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126535417] [2020-07-19 21:36:31,266 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1676652806] [2020-07-19 21:36:31,266 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5f84477e No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:36:31,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:31,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-19 21:36:31,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:36:31,472 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 130 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-19 21:36:31,473 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:36:31,473 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 11 [2020-07-19 21:36:31,473 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543835152] [2020-07-19 21:36:31,474 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-19 21:36:31,474 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:36:31,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-19 21:36:31,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-07-19 21:36:31,475 INFO L87 Difference]: Start difference. First operand 2980 states and 3290 transitions. Second operand 11 states. [2020-07-19 21:36:34,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:36:34,172 INFO L93 Difference]: Finished difference Result 5818 states and 6424 transitions. [2020-07-19 21:36:34,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-19 21:36:34,173 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 247 [2020-07-19 21:36:34,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:36:34,180 INFO L225 Difference]: With dead ends: 5818 [2020-07-19 21:36:34,181 INFO L226 Difference]: Without dead ends: 2542 [2020-07-19 21:36:34,188 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-07-19 21:36:34,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2542 states. [2020-07-19 21:36:34,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2542 to 2536. [2020-07-19 21:36:34,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2536 states. [2020-07-19 21:36:34,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2536 states to 2536 states and 2742 transitions. [2020-07-19 21:36:34,243 INFO L78 Accepts]: Start accepts. Automaton has 2536 states and 2742 transitions. Word has length 247 [2020-07-19 21:36:34,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:36:34,244 INFO L479 AbstractCegarLoop]: Abstraction has 2536 states and 2742 transitions. [2020-07-19 21:36:34,244 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-19 21:36:34,244 INFO L276 IsEmpty]: Start isEmpty. Operand 2536 states and 2742 transitions. [2020-07-19 21:36:34,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2020-07-19 21:36:34,252 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:36:34,253 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:36:34,468 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:36:34,469 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:36:34,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:36:34,470 INFO L82 PathProgramCache]: Analyzing trace with hash 780172313, now seen corresponding path program 1 times [2020-07-19 21:36:34,470 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:36:34,471 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729241904] [2020-07-19 21:36:34,471 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5f84477e [2020-07-19 21:36:34,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:34,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:34,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:34,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:34,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:34,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:34,715 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 134 proven. 43 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-07-19 21:36:34,716 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729241904] [2020-07-19 21:36:34,716 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [81249427] [2020-07-19 21:36:34,716 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5f84477e No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:36:34,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:34,843 INFO L263 TraceCheckSpWp]: Trace formula consists of 616 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-19 21:36:34,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:36:34,949 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 117 proven. 2 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2020-07-19 21:36:34,949 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-19 21:36:34,949 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 8 [2020-07-19 21:36:34,949 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302799098] [2020-07-19 21:36:34,951 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 21:36:34,951 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:36:34,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 21:36:34,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-19 21:36:34,951 INFO L87 Difference]: Start difference. First operand 2536 states and 2742 transitions. Second operand 8 states. [2020-07-19 21:36:36,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:36:36,722 INFO L93 Difference]: Finished difference Result 4932 states and 5317 transitions. [2020-07-19 21:36:36,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-19 21:36:36,723 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 274 [2020-07-19 21:36:36,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:36:36,732 INFO L225 Difference]: With dead ends: 4932 [2020-07-19 21:36:36,732 INFO L226 Difference]: Without dead ends: 2534 [2020-07-19 21:36:36,738 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-19 21:36:36,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2534 states. [2020-07-19 21:36:36,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2534 to 2386. [2020-07-19 21:36:36,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2386 states. [2020-07-19 21:36:36,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2386 states to 2386 states and 2509 transitions. [2020-07-19 21:36:36,784 INFO L78 Accepts]: Start accepts. Automaton has 2386 states and 2509 transitions. Word has length 274 [2020-07-19 21:36:36,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:36:36,785 INFO L479 AbstractCegarLoop]: Abstraction has 2386 states and 2509 transitions. [2020-07-19 21:36:36,785 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 21:36:36,785 INFO L276 IsEmpty]: Start isEmpty. Operand 2386 states and 2509 transitions. [2020-07-19 21:36:36,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2020-07-19 21:36:36,793 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 21:36:36,794 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 21:36:37,009 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-19 21:36:37,010 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 21:36:37,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 21:36:37,011 INFO L82 PathProgramCache]: Analyzing trace with hash -1557581639, now seen corresponding path program 1 times [2020-07-19 21:36:37,011 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 21:36:37,012 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235855192] [2020-07-19 21:36:37,012 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5f84477e [2020-07-19 21:36:37,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:37,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:37,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:37,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:37,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:37,423 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 245 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-07-19 21:36:37,424 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235855192] [2020-07-19 21:36:37,424 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [273806437] [2020-07-19 21:36:37,425 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@5f84477e No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 21:36:37,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 21:36:37,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-19 21:36:37,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 21:36:37,610 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2020-07-19 21:36:37,610 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 21:36:37,611 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2020-07-19 21:36:37,611 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984448236] [2020-07-19 21:36:37,612 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 21:36:37,612 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 21:36:37,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 21:36:37,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-07-19 21:36:37,613 INFO L87 Difference]: Start difference. First operand 2386 states and 2509 transitions. Second operand 3 states. [2020-07-19 21:36:38,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 21:36:38,085 INFO L93 Difference]: Finished difference Result 4609 states and 4848 transitions. [2020-07-19 21:36:38,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 21:36:38,085 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 305 [2020-07-19 21:36:38,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 21:36:38,086 INFO L225 Difference]: With dead ends: 4609 [2020-07-19 21:36:38,087 INFO L226 Difference]: Without dead ends: 0 [2020-07-19 21:36:38,096 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 312 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-07-19 21:36:38,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-19 21:36:38,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-19 21:36:38,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-19 21:36:38,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-19 21:36:38,097 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 305 [2020-07-19 21:36:38,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 21:36:38,098 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-19 21:36:38,098 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 21:36:38,098 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-19 21:36:38,098 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-19 21:36:38,299 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-07-19 21:36:38,303 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-19 21:36:38,753 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 134 [2020-07-19 21:36:38,897 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 134 [2020-07-19 21:36:40,348 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 169 DAG size of output: 72 [2020-07-19 21:36:40,854 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 57 [2020-07-19 21:36:41,332 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 57 [2020-07-19 21:36:41,336 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:36:41,337 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a11~0 |old(~a11~0)|) (= ~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)|) (= ~v~0 |old(~v~0)|) (= ~a17~0 |old(~a17~0)|) (= ~y~0 |old(~y~0)|) (= ~f~0 |old(~f~0)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|) (= ~d~0 |old(~d~0)|)) [2020-07-19 21:36:41,337 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:36:41,338 INFO L268 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:41,338 INFO L268 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:41,338 INFO L268 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:41,338 INFO L268 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:41,338 INFO L268 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:41,339 INFO L268 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2020-07-19 21:36:41,339 INFO L268 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2020-07-19 21:36:41,339 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-19 21:36:41,339 INFO L268 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-07-19 21:36:41,340 INFO L268 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-07-19 21:36:41,340 INFO L268 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-07-19 21:36:41,340 INFO L268 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-07-19 21:36:41,340 INFO L268 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2020-07-19 21:36:41,340 INFO L268 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2020-07-19 21:36:41,340 INFO L268 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2020-07-19 21:36:41,340 INFO L268 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2020-07-19 21:36:41,340 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2020-07-19 21:36:41,341 INFO L268 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2020-07-19 21:36:41,341 INFO L268 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:41,341 INFO L268 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:41,341 INFO L268 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:41,341 INFO L268 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:41,341 INFO L268 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2020-07-19 21:36:41,341 INFO L268 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:41,341 INFO L268 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2020-07-19 21:36:41,341 INFO L268 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-07-19 21:36:41,341 INFO L268 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-07-19 21:36:41,341 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-07-19 21:36:41,341 INFO L268 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-07-19 21:36:41,342 INFO L268 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-07-19 21:36:41,342 INFO L268 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2020-07-19 21:36:41,342 INFO L268 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2020-07-19 21:36:41,342 INFO L268 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2020-07-19 21:36:41,342 INFO L268 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2020-07-19 21:36:41,342 INFO L268 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2020-07-19 21:36:41,342 INFO L268 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2020-07-19 21:36:41,342 INFO L268 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2020-07-19 21:36:41,342 INFO L268 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2020-07-19 21:36:41,343 INFO L268 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2020-07-19 21:36:41,343 INFO L268 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:41,343 INFO L268 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:41,343 INFO L268 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:41,343 INFO L268 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:41,343 INFO L268 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:41,343 INFO L268 CegarLoopResult]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 580) no Hoare annotation was computed. [2020-07-19 21:36:41,343 INFO L268 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2020-07-19 21:36:41,344 INFO L268 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2020-07-19 21:36:41,344 INFO L268 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2020-07-19 21:36:41,344 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-07-19 21:36:41,344 INFO L268 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-07-19 21:36:41,344 INFO L268 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-07-19 21:36:41,344 INFO L268 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-07-19 21:36:41,344 INFO L268 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-07-19 21:36:41,344 INFO L268 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2020-07-19 21:36:41,345 INFO L268 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-07-19 21:36:41,345 INFO L268 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2020-07-19 21:36:41,345 INFO L268 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:41,345 INFO L268 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:41,345 INFO L268 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:41,345 INFO L268 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:41,345 INFO L268 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:41,345 INFO L268 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2020-07-19 21:36:41,345 INFO L268 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2020-07-19 21:36:41,346 INFO L268 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2020-07-19 21:36:41,346 INFO L268 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-07-19 21:36:41,346 INFO L268 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-07-19 21:36:41,346 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-07-19 21:36:41,346 INFO L268 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-07-19 21:36:41,346 INFO L268 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-07-19 21:36:41,346 INFO L268 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2020-07-19 21:36:41,346 INFO L268 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2020-07-19 21:36:41,347 INFO L268 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2020-07-19 21:36:41,347 INFO L268 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2020-07-19 21:36:41,347 INFO L268 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2020-07-19 21:36:41,347 INFO L268 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:41,347 INFO L268 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:41,347 INFO L268 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:41,347 INFO L268 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:41,348 INFO L268 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:41,348 INFO L268 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2020-07-19 21:36:41,348 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-19 21:36:41,348 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-07-19 21:36:41,348 INFO L268 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-07-19 21:36:41,348 INFO L268 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-07-19 21:36:41,348 INFO L268 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-07-19 21:36:41,348 INFO L268 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2020-07-19 21:36:41,348 INFO L268 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2020-07-19 21:36:41,349 INFO L268 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2020-07-19 21:36:41,349 INFO L268 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2020-07-19 21:36:41,349 INFO L268 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2020-07-19 21:36:41,349 INFO L268 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2020-07-19 21:36:41,349 INFO L268 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2020-07-19 21:36:41,349 INFO L268 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-07-19 21:36:41,349 INFO L268 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2020-07-19 21:36:41,349 INFO L268 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2020-07-19 21:36:41,350 INFO L268 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:41,350 INFO L268 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:41,350 INFO L268 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:41,350 INFO L268 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:41,350 INFO L268 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2020-07-19 21:36:41,350 INFO L268 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:41,350 INFO L268 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2020-07-19 21:36:41,350 INFO L268 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:41,351 INFO L268 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2020-07-19 21:36:41,351 INFO L268 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2020-07-19 21:36:41,351 INFO L268 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2020-07-19 21:36:41,351 INFO L268 CegarLoopResult]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:41,351 INFO L268 CegarLoopResult]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:41,351 INFO L268 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-07-19 21:36:41,351 INFO L268 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-07-19 21:36:41,351 INFO L268 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-07-19 21:36:41,352 INFO L268 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-07-19 21:36:41,352 INFO L268 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-07-19 21:36:41,352 INFO L268 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-07-19 21:36:41,352 INFO L268 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2020-07-19 21:36:41,352 INFO L268 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2020-07-19 21:36:41,352 INFO L268 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2020-07-19 21:36:41,352 INFO L268 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2020-07-19 21:36:41,352 INFO L268 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2020-07-19 21:36:41,352 INFO L268 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:41,353 INFO L268 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:41,353 INFO L268 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:41,353 INFO L268 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:41,353 INFO L268 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:41,353 INFO L268 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:41,353 INFO L268 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2020-07-19 21:36:41,353 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-07-19 21:36:41,353 INFO L268 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-07-19 21:36:41,353 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-19 21:36:41,354 INFO L268 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-07-19 21:36:41,354 INFO L268 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-07-19 21:36:41,354 INFO L268 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-07-19 21:36:41,354 INFO L268 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2020-07-19 21:36:41,354 INFO L268 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2020-07-19 21:36:41,354 INFO L268 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2020-07-19 21:36:41,354 INFO L268 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2020-07-19 21:36:41,354 INFO L268 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:41,354 INFO L268 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:41,355 INFO L268 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:41,355 INFO L268 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:41,355 INFO L268 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:41,355 INFO L268 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:41,355 INFO L268 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2020-07-19 21:36:41,355 INFO L268 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2020-07-19 21:36:41,355 INFO L268 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2020-07-19 21:36:41,355 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-07-19 21:36:41,355 INFO L268 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-07-19 21:36:41,356 INFO L268 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-07-19 21:36:41,356 INFO L268 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-07-19 21:36:41,356 INFO L268 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-07-19 21:36:41,356 INFO L268 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-07-19 21:36:41,356 INFO L268 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2020-07-19 21:36:41,356 INFO L268 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2020-07-19 21:36:41,356 INFO L268 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2020-07-19 21:36:41,356 INFO L268 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2020-07-19 21:36:41,357 INFO L268 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2020-07-19 21:36:41,357 INFO L268 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:41,357 INFO L268 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:41,357 INFO L268 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:41,357 INFO L264 CegarLoopResult]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse22 (= ~a11~0 |old(~a11~0)|)) (.cse18 (= ~a17~0 |old(~a17~0)|)) (.cse20 (= ~a19~0 |old(~a19~0)|)) (.cse19 (= ~a28~0 |old(~a28~0)|)) (.cse21 (= ~a25~0 |old(~a25~0)|))) (let ((.cse3 (= |old(~a17~0)| |old(~a28~0)|)) (.cse2 (and .cse22 .cse18 .cse20 .cse19 .cse21)) (.cse15 (not (<= |old(~a28~0)| 7))) (.cse11 (and .cse22 .cse18 .cse19 .cse20 .cse21)) (.cse0 (= 10 |old(~a28~0)|)) (.cse8 (not (<= 8 |old(~a17~0)|))) (.cse10 (not (= 8 |old(~a17~0)|))) (.cse16 (and .cse22 .cse18 .cse19 .cse20 (= 1 ~a25~0))) (.cse17 (not (= 1 |old(~a25~0)|))) (.cse1 (not (<= |old(~a19~0)| 0))) (.cse6 (not (<= |old(~a17~0)| 8))) (.cse7 (not (= 1 |old(~a19~0)|))) (.cse12 (not (<= |old(~a25~0)| 0))) (.cse4 (not (<= |old(~a17~0)| 7))) (.cse13 (and (= 1 ~a11~0) .cse18 .cse19 .cse20 .cse21)) (.cse9 (not (<= 10 |old(~a28~0)|))) (.cse5 (= 11 |old(~a28~0)|)) (.cse14 (not (= 1 |old(~a11~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse7 .cse8 .cse2 .cse9 .cse5 .cse6) (or .cse7 .cse10 .cse11 (not (<= |old(~a28~0)| 9)) .cse12 .cse3) (or .cse10 .cse12 .cse0 .cse1 .cse13 .cse5 .cse6 .cse14) (or .cse11 .cse12 .cse1 .cse4 .cse9 .cse5 .cse6) (or .cse7 .cse15 .cse2 .cse4 .cse6) (or .cse10 .cse15 .cse11 .cse1 .cse6) (or .cse10 .cse11 .cse12 .cse0 .cse1 .cse5 .cse6 (= 9 |old(~a28~0)|)) (or .cse7 .cse16 .cse17 .cse8 .cse6) (or .cse10 .cse16 .cse17 .cse1 .cse9 .cse5 .cse6) (or .cse7 .cse12 .cse4 .cse13 .cse9 .cse5 .cse14)))) [2020-07-19 21:36:41,357 INFO L268 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:41,358 INFO L268 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:41,358 INFO L268 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:41,358 INFO L268 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2020-07-19 21:36:41,358 INFO L268 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2020-07-19 21:36:41,358 INFO L268 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2020-07-19 21:36:41,358 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-07-19 21:36:41,358 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-07-19 21:36:41,358 INFO L268 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-07-19 21:36:41,359 INFO L268 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2020-07-19 21:36:41,359 INFO L268 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-07-19 21:36:41,359 INFO L268 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-07-19 21:36:41,359 INFO L268 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2020-07-19 21:36:41,359 INFO L268 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2020-07-19 21:36:41,359 INFO L268 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2020-07-19 21:36:41,359 INFO L268 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2020-07-19 21:36:41,359 INFO L268 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:41,359 INFO L268 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:41,360 INFO L268 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:41,360 INFO L268 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:41,360 INFO L268 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:41,360 INFO L268 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:41,360 INFO L268 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2020-07-19 21:36:41,360 INFO L268 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2020-07-19 21:36:41,360 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-07-19 21:36:41,360 INFO L268 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-07-19 21:36:41,360 INFO L268 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-07-19 21:36:41,361 INFO L268 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-07-19 21:36:41,361 INFO L268 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-07-19 21:36:41,361 INFO L268 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-07-19 21:36:41,361 INFO L268 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2020-07-19 21:36:41,361 INFO L268 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2020-07-19 21:36:41,361 INFO L268 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2020-07-19 21:36:41,361 INFO L268 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2020-07-19 21:36:41,361 INFO L268 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2020-07-19 21:36:41,362 INFO L268 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2020-07-19 21:36:41,362 INFO L268 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2020-07-19 21:36:41,362 INFO L268 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2020-07-19 21:36:41,362 INFO L268 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:41,362 INFO L268 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:41,362 INFO L268 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:41,362 INFO L268 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:41,362 INFO L268 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2020-07-19 21:36:41,362 INFO L268 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2020-07-19 21:36:41,363 INFO L268 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2020-07-19 21:36:41,363 INFO L268 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2020-07-19 21:36:41,363 INFO L268 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2020-07-19 21:36:41,363 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-07-19 21:36:41,363 INFO L268 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-07-19 21:36:41,363 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-07-19 21:36:41,363 INFO L268 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-07-19 21:36:41,363 INFO L268 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-07-19 21:36:41,363 INFO L268 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-07-19 21:36:41,364 INFO L268 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2020-07-19 21:36:41,364 INFO L268 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2020-07-19 21:36:41,364 INFO L268 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2020-07-19 21:36:41,364 INFO L268 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2020-07-19 21:36:41,364 INFO L268 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2020-07-19 21:36:41,364 INFO L268 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2020-07-19 21:36:41,364 INFO L268 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2020-07-19 21:36:41,364 INFO L268 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2020-07-19 21:36:41,364 INFO L268 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2020-07-19 21:36:41,365 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-19 21:36:41,365 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a19~0) (<= ~a17~0 8) (<= 8 ~a17~0) (<= ~a25~0 0) (<= ~a28~0 7)) [2020-07-19 21:36:41,365 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-19 21:36:41,365 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-19 21:36:41,365 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 |old(~a19~0)|)) (not (<= |old(~a28~0)| 7)) (and (= ~a11~0 |old(~a11~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a28~0 |old(~a28~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a25~0 |old(~a25~0)|)) (not (<= 8 |old(~a17~0)|)) (not (<= |old(~a25~0)| 0)) (not (<= |old(~a17~0)| 8))) [2020-07-19 21:36:41,366 INFO L264 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse5 (<= 10 ~a28~0)) (.cse8 (<= ~a28~0 7)) (.cse2 (= 1 ~a11~0)) (.cse10 (not (= ~a28~0 ~a17~0))) (.cse4 (<= ~a17~0 7)) (.cse0 (= 1 ~a19~0)) (.cse9 (= 1 ~a25~0)) (.cse1 (not (= 11 ~a28~0))) (.cse11 (not (= 10 ~a28~0))) (.cse6 (= ~a17~0 |old(~a17~0)|)) (.cse3 (<= ~a25~0 0)) (.cse7 (<= ~a19~0 0))) (or (not (= 1 |old(~a19~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse8) (not (<= |old(~a28~0)| 7)) (and .cse1 .cse3 .cse4 .cse5 .cse7) (and .cse1 .cse6 .cse5 .cse7 .cse9) (not (<= 8 |old(~a17~0)|)) (and .cse0 .cse1 .cse10 .cse6 .cse3) (and .cse0 .cse1 (<= ~a17~0 8) (<= 8 ~a17~0) .cse5) (and .cse0 .cse4 .cse8) (and .cse1 .cse11 .cse2 .cse6 .cse3 .cse7) (and .cse1 .cse11 .cse10 .cse4 .cse7) (not (<= |old(~a25~0)| 0)) (and .cse0 .cse6 .cse9) (and .cse1 .cse11 .cse6 .cse3 (not (= 9 ~a28~0)) .cse7) (not (<= |old(~a17~0)| 8)))) [2020-07-19 21:36:41,366 INFO L268 CegarLoopResult]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2020-07-19 21:36:41,366 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2020-07-19 21:36:41,366 INFO L264 CegarLoopResult]: At program point L614(line 614) the Hoare annotation is: (let ((.cse5 (<= 10 ~a28~0)) (.cse8 (<= ~a28~0 7)) (.cse2 (= 1 ~a11~0)) (.cse10 (not (= ~a28~0 ~a17~0))) (.cse4 (<= ~a17~0 7)) (.cse0 (= 1 ~a19~0)) (.cse9 (= 1 ~a25~0)) (.cse1 (not (= 11 ~a28~0))) (.cse11 (not (= 10 ~a28~0))) (.cse6 (= ~a17~0 |old(~a17~0)|)) (.cse3 (<= ~a25~0 0)) (.cse7 (<= ~a19~0 0))) (or (not (= 1 |old(~a19~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse8) (not (<= |old(~a28~0)| 7)) (and .cse1 .cse3 .cse4 .cse5 .cse7) (and .cse1 .cse6 .cse5 .cse7 .cse9) (not (<= 8 |old(~a17~0)|)) (and .cse0 .cse1 .cse10 .cse6 .cse3) (and .cse0 .cse1 (<= ~a17~0 8) (<= 8 ~a17~0) .cse5) (and .cse0 .cse4 .cse8) (and .cse1 .cse11 .cse2 .cse6 .cse3 .cse7) (and .cse1 .cse11 .cse10 .cse4 .cse7) (not (<= |old(~a25~0)| 0)) (and .cse0 .cse6 .cse9) (and .cse1 .cse11 .cse6 .cse3 (not (= 9 ~a28~0)) .cse7) (not (<= |old(~a17~0)| 8)))) [2020-07-19 21:36:41,366 INFO L268 CegarLoopResult]: For program point L614-1(line 614) no Hoare annotation was computed. [2020-07-19 21:36:41,366 INFO L268 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2020-07-19 21:36:41,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 09:36:41 BoogieIcfgContainer [2020-07-19 21:36:41,390 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 21:36:41,392 INFO L168 Benchmark]: Toolchain (without parser) took 30547.95 ms. Allocated memory was 144.2 MB in the beginning and 699.9 MB in the end (delta: 555.7 MB). Free memory was 100.6 MB in the beginning and 202.5 MB in the end (delta: -101.9 MB). Peak memory consumption was 523.9 MB. Max. memory is 7.1 GB. [2020-07-19 21:36:41,393 INFO L168 Benchmark]: CDTParser took 0.20 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: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-19 21:36:41,393 INFO L168 Benchmark]: CACSL2BoogieTranslator took 762.82 ms. Allocated memory was 144.2 MB in the beginning and 203.4 MB in the end (delta: 59.2 MB). Free memory was 100.2 MB in the beginning and 169.7 MB in the end (delta: -69.5 MB). Peak memory consumption was 31.4 MB. Max. memory is 7.1 GB. [2020-07-19 21:36:41,394 INFO L168 Benchmark]: Boogie Preprocessor took 98.67 ms. Allocated memory is still 203.4 MB. Free memory was 169.7 MB in the beginning and 164.7 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2020-07-19 21:36:41,395 INFO L168 Benchmark]: RCFGBuilder took 1297.55 ms. Allocated memory was 203.4 MB in the beginning and 233.8 MB in the end (delta: 30.4 MB). Free memory was 164.7 MB in the beginning and 179.7 MB in the end (delta: -15.0 MB). Peak memory consumption was 85.2 MB. Max. memory is 7.1 GB. [2020-07-19 21:36:41,396 INFO L168 Benchmark]: TraceAbstraction took 28381.73 ms. Allocated memory was 233.8 MB in the beginning and 699.9 MB in the end (delta: 466.1 MB). Free memory was 179.7 MB in the beginning and 202.5 MB in the end (delta: -22.8 MB). Peak memory consumption was 513.4 MB. Max. memory is 7.1 GB. [2020-07-19 21:36:41,400 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 762.82 ms. Allocated memory was 144.2 MB in the beginning and 203.4 MB in the end (delta: 59.2 MB). Free memory was 100.2 MB in the beginning and 169.7 MB in the end (delta: -69.5 MB). Peak memory consumption was 31.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 98.67 ms. Allocated memory is still 203.4 MB. Free memory was 169.7 MB in the beginning and 164.7 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1297.55 ms. Allocated memory was 203.4 MB in the beginning and 233.8 MB in the end (delta: 30.4 MB). Free memory was 164.7 MB in the beginning and 179.7 MB in the end (delta: -15.0 MB). Peak memory consumption was 85.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 28381.73 ms. Allocated memory was 233.8 MB in the beginning and 699.9 MB in the end (delta: 466.1 MB). Free memory was 179.7 MB in the beginning and 202.5 MB in the end (delta: -22.8 MB). Peak memory consumption was 513.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 580]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((((((((!(1 == \old(a19)) || (((((1 == a19 && !(11 == a28)) && 1 == a11) && a25 <= 0) && a17 <= 7) && 10 <= a28)) || ((a17 == \old(a17) && a19 <= 0) && a28 <= 7)) || !(\old(a28) <= 7)) || ((((!(11 == a28) && a25 <= 0) && a17 <= 7) && 10 <= a28) && a19 <= 0)) || ((((!(11 == a28) && a17 == \old(a17)) && 10 <= a28) && a19 <= 0) && 1 == a25)) || !(8 <= \old(a17))) || ((((1 == a19 && !(11 == a28)) && !(a28 == a17)) && a17 == \old(a17)) && a25 <= 0)) || ((((1 == a19 && !(11 == a28)) && a17 <= 8) && 8 <= a17) && 10 <= a28)) || ((1 == a19 && a17 <= 7) && a28 <= 7)) || (((((!(11 == a28) && !(10 == a28)) && 1 == a11) && a17 == \old(a17)) && a25 <= 0) && a19 <= 0)) || ((((!(11 == a28) && !(10 == a28)) && !(a28 == a17)) && a17 <= 7) && a19 <= 0)) || !(\old(a25) <= 0)) || ((1 == a19 && a17 == \old(a17)) && 1 == a25)) || (((((!(11 == a28) && !(10 == a28)) && a17 == \old(a17)) && a25 <= 0) && !(9 == a28)) && a19 <= 0)) || !(\old(a17) <= 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 25.2s, OverallIterations: 11, TraceHistogramMax: 5, AutomataDifference: 17.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 795 SDtfs, 7534 SDslu, 602 SDs, 0 SdLazy, 11073 SolverSat, 1888 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2039 GetRequests, 1914 SyntacticMatches, 0 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3743occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 11 MinimizatonAttempts, 1045 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 151 PreInvPairs, 207 NumberOfFragments, 925 HoareAnnotationTreeSize, 151 FomulaSimplifications, 69893 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 7 FomulaSimplificationsInter, 4510 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 4117 NumberOfCodeBlocks, 4117 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 4098 ConstructedInterpolants, 0 QuantifiedInterpolants, 1766790 SizeOfPredicates, 9 NumberOfNonLiveVariables, 4211 ConjunctsInSsa, 45 ConjunctsInUnsatCore, 19 InterpolantComputations, 6 PerfectInterpolantSequences, 2008/2123 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...