/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/minepump_spec2_product51.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 06:54:49,057 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 06:54:49,062 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 06:54:49,122 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 06:54:49,123 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 06:54:49,128 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 06:54:49,131 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 06:54:49,139 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 06:54:49,143 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 06:54:49,150 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 06:54:49,151 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 06:54:49,153 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 06:54:49,153 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 06:54:49,158 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 06:54:49,160 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 06:54:49,163 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 06:54:49,177 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 06:54:49,181 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 06:54:49,190 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 06:54:49,197 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 06:54:49,199 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 06:54:49,201 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 06:54:49,204 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 06:54:49,206 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 06:54:49,216 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-22 06:54:49,217 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-22 06:54:49,217 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-22 06:54:49,220 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-22 06:54:49,221 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-22 06:54:49,222 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-22 06:54:49,223 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 06:54:49,223 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 06:54:49,226 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 06:54:49,227 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 06:54:49,228 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 06:54:49,228 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 06:54:49,229 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 06:54:49,229 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 06:54:49,230 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 06:54:49,231 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 06:54:49,231 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 06:54:49,232 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 06:54:49,289 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 06:54:49,289 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 06:54:49,294 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 06:54:49,295 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 06:54:49,295 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 06:54:49,295 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 06:54:49,296 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 06:54:49,296 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 06:54:49,296 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 06:54:49,296 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 06:54:49,298 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 06:54:49,298 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 06:54:49,298 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 06:54:49,299 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 06:54:49,299 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 06:54:49,299 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 06:54:49,299 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 06:54:49,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 06:54:49,300 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 06:54:49,300 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 06:54:49,300 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 06:54:49,301 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 06:54:49,301 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 06:54:49,301 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 06:54:49,301 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 06:54:49,301 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 06:54:49,709 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 06:54:49,757 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 06:54:49,760 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 06:54:49,762 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 06:54:49,763 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 06:54:49,764 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product51.cil.c [2020-12-22 06:54:49,846 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31498933b/60d4cf81fbb246dc8a15c43fd1036ae6/FLAG4c1b979c1 [2020-12-22 06:54:50,493 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 06:54:50,494 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product51.cil.c [2020-12-22 06:54:50,508 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31498933b/60d4cf81fbb246dc8a15c43fd1036ae6/FLAG4c1b979c1 [2020-12-22 06:54:50,782 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31498933b/60d4cf81fbb246dc8a15c43fd1036ae6 [2020-12-22 06:54:50,785 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 06:54:50,788 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 06:54:50,790 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 06:54:50,790 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 06:54:50,794 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 06:54:50,795 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:54:50" (1/1) ... [2020-12-22 06:54:50,797 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d08a090 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:50, skipping insertion in model container [2020-12-22 06:54:50,797 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 06:54:50" (1/1) ... [2020-12-22 06:54:50,810 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 06:54:50,853 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 06:54:51,110 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product51.cil.c[9005,9018] [2020-12-22 06:54:51,177 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:54:51,189 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 06:54:51,255 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product51.cil.c[9005,9018] [2020-12-22 06:54:51,338 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 06:54:51,378 INFO L208 MainTranslator]: Completed translation [2020-12-22 06:54:51,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:51 WrapperNode [2020-12-22 06:54:51,379 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 06:54:51,380 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 06:54:51,380 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 06:54:51,381 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 06:54:51,388 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:51" (1/1) ... [2020-12-22 06:54:51,408 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:51" (1/1) ... [2020-12-22 06:54:51,475 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 06:54:51,476 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 06:54:51,476 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 06:54:51,477 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 06:54:51,487 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:51" (1/1) ... [2020-12-22 06:54:51,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:51" (1/1) ... [2020-12-22 06:54:51,494 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:51" (1/1) ... [2020-12-22 06:54:51,494 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:51" (1/1) ... [2020-12-22 06:54:51,509 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:51" (1/1) ... [2020-12-22 06:54:51,518 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:51" (1/1) ... [2020-12-22 06:54:51,522 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:51" (1/1) ... [2020-12-22 06:54:51,529 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 06:54:51,530 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 06:54:51,530 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 06:54:51,531 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 06:54:51,532 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:51" (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 [2020-12-22 06:54:51,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 06:54:51,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 06:54:51,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 06:54:51,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 06:54:52,715 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 06:54:52,715 INFO L299 CfgBuilder]: Removed 162 assume(true) statements. [2020-12-22 06:54:52,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:54:52 BoogieIcfgContainer [2020-12-22 06:54:52,718 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 06:54:52,720 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 06:54:52,720 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 06:54:52,724 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 06:54:52,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 06:54:50" (1/3) ... [2020-12-22 06:54:52,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f8bb09d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:54:52, skipping insertion in model container [2020-12-22 06:54:52,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 06:54:51" (2/3) ... [2020-12-22 06:54:52,726 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f8bb09d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 06:54:52, skipping insertion in model container [2020-12-22 06:54:52,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:54:52" (3/3) ... [2020-12-22 06:54:52,728 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product51.cil.c [2020-12-22 06:54:52,735 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 06:54:52,741 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-22 06:54:52,762 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-22 06:54:52,789 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 06:54:52,789 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 06:54:52,790 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 06:54:52,790 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 06:54:52,790 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 06:54:52,790 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 06:54:52,790 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 06:54:52,790 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 06:54:52,809 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states. [2020-12-22 06:54:52,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-22 06:54:52,816 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:52,817 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:52,817 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:52,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:52,824 INFO L82 PathProgramCache]: Analyzing trace with hash 815277316, now seen corresponding path program 1 times [2020-12-22 06:54:52,834 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:52,835 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186043198] [2020-12-22 06:54:52,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:53,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:53,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:54:53,227 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186043198] [2020-12-22 06:54:53,228 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:53,228 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:54:53,229 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139144737] [2020-12-22 06:54:53,235 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-22 06:54:53,235 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:53,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-22 06:54:53,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:54:53,259 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 2 states. [2020-12-22 06:54:53,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:53,332 INFO L93 Difference]: Finished difference Result 239 states and 366 transitions. [2020-12-22 06:54:53,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-22 06:54:53,334 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2020-12-22 06:54:53,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:53,367 INFO L225 Difference]: With dead ends: 239 [2020-12-22 06:54:53,368 INFO L226 Difference]: Without dead ends: 119 [2020-12-22 06:54:53,375 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-22 06:54:53,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2020-12-22 06:54:53,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2020-12-22 06:54:53,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-12-22 06:54:53,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 175 transitions. [2020-12-22 06:54:53,454 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 175 transitions. Word has length 18 [2020-12-22 06:54:53,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:53,455 INFO L481 AbstractCegarLoop]: Abstraction has 119 states and 175 transitions. [2020-12-22 06:54:53,455 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-22 06:54:53,480 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 175 transitions. [2020-12-22 06:54:53,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 06:54:53,485 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:53,485 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:53,486 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 06:54:53,488 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:53,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:53,490 INFO L82 PathProgramCache]: Analyzing trace with hash 596441347, now seen corresponding path program 1 times [2020-12-22 06:54:53,490 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:53,491 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107435269] [2020-12-22 06:54:53,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:53,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:53,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:54:53,652 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107435269] [2020-12-22 06:54:53,652 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:53,652 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:54:53,652 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445379177] [2020-12-22 06:54:53,654 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:54:53,654 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:53,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:54:53,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:53,655 INFO L87 Difference]: Start difference. First operand 119 states and 175 transitions. Second operand 3 states. [2020-12-22 06:54:53,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:53,666 INFO L93 Difference]: Finished difference Result 119 states and 175 transitions. [2020-12-22 06:54:53,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:54:53,667 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-12-22 06:54:53,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:53,668 INFO L225 Difference]: With dead ends: 119 [2020-12-22 06:54:53,668 INFO L226 Difference]: Without dead ends: 51 [2020-12-22 06:54:53,670 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:53,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-12-22 06:54:53,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2020-12-22 06:54:53,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-12-22 06:54:53,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 74 transitions. [2020-12-22 06:54:53,675 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 74 transitions. Word has length 19 [2020-12-22 06:54:53,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:53,676 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 74 transitions. [2020-12-22 06:54:53,676 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:54:53,676 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 74 transitions. [2020-12-22 06:54:53,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-22 06:54:53,677 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:53,677 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] [2020-12-22 06:54:53,677 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 06:54:53,677 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:53,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:53,678 INFO L82 PathProgramCache]: Analyzing trace with hash -781547841, now seen corresponding path program 1 times [2020-12-22 06:54:53,678 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:53,679 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739367779] [2020-12-22 06:54:53,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:53,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:53,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:54:53,786 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739367779] [2020-12-22 06:54:53,786 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:53,786 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:54:53,787 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420880171] [2020-12-22 06:54:53,788 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:54:53,788 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:53,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:54:53,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:54:53,791 INFO L87 Difference]: Start difference. First operand 51 states and 74 transitions. Second operand 6 states. [2020-12-22 06:54:54,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:54,009 INFO L93 Difference]: Finished difference Result 163 states and 244 transitions. [2020-12-22 06:54:54,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:54:54,009 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2020-12-22 06:54:54,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:54,011 INFO L225 Difference]: With dead ends: 163 [2020-12-22 06:54:54,011 INFO L226 Difference]: Without dead ends: 119 [2020-12-22 06:54:54,012 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-22 06:54:54,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2020-12-22 06:54:54,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 71. [2020-12-22 06:54:54,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-12-22 06:54:54,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 105 transitions. [2020-12-22 06:54:54,024 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 105 transitions. Word has length 24 [2020-12-22 06:54:54,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:54,025 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 105 transitions. [2020-12-22 06:54:54,025 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:54:54,025 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 105 transitions. [2020-12-22 06:54:54,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-22 06:54:54,026 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:54,027 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] [2020-12-22 06:54:54,027 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 06:54:54,027 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:54,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:54,028 INFO L82 PathProgramCache]: Analyzing trace with hash -1063081859, now seen corresponding path program 1 times [2020-12-22 06:54:54,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:54,029 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472181570] [2020-12-22 06:54:54,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:54,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:54,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:54:54,088 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472181570] [2020-12-22 06:54:54,088 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:54,088 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:54:54,089 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837343608] [2020-12-22 06:54:54,089 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:54:54,089 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:54,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:54:54,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:54,090 INFO L87 Difference]: Start difference. First operand 71 states and 105 transitions. Second operand 3 states. [2020-12-22 06:54:54,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:54,125 INFO L93 Difference]: Finished difference Result 157 states and 235 transitions. [2020-12-22 06:54:54,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:54:54,126 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2020-12-22 06:54:54,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:54,128 INFO L225 Difference]: With dead ends: 157 [2020-12-22 06:54:54,128 INFO L226 Difference]: Without dead ends: 93 [2020-12-22 06:54:54,129 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:54,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-12-22 06:54:54,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 91. [2020-12-22 06:54:54,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-12-22 06:54:54,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 131 transitions. [2020-12-22 06:54:54,141 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 131 transitions. Word has length 26 [2020-12-22 06:54:54,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:54,142 INFO L481 AbstractCegarLoop]: Abstraction has 91 states and 131 transitions. [2020-12-22 06:54:54,142 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:54:54,142 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 131 transitions. [2020-12-22 06:54:54,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-22 06:54:54,143 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:54,143 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] [2020-12-22 06:54:54,144 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 06:54:54,144 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:54,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:54,145 INFO L82 PathProgramCache]: Analyzing trace with hash -460039864, now seen corresponding path program 1 times [2020-12-22 06:54:54,145 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:54,145 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617771033] [2020-12-22 06:54:54,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:54,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:54,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:54:54,247 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617771033] [2020-12-22 06:54:54,248 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:54,248 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:54:54,248 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150653184] [2020-12-22 06:54:54,249 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:54:54,249 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:54,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:54:54,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:54:54,250 INFO L87 Difference]: Start difference. First operand 91 states and 131 transitions. Second operand 5 states. [2020-12-22 06:54:54,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:54,373 INFO L93 Difference]: Finished difference Result 452 states and 663 transitions. [2020-12-22 06:54:54,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-22 06:54:54,375 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2020-12-22 06:54:54,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:54,380 INFO L225 Difference]: With dead ends: 452 [2020-12-22 06:54:54,381 INFO L226 Difference]: Without dead ends: 368 [2020-12-22 06:54:54,383 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-22 06:54:54,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2020-12-22 06:54:54,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 164. [2020-12-22 06:54:54,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2020-12-22 06:54:54,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 233 transitions. [2020-12-22 06:54:54,449 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 233 transitions. Word has length 27 [2020-12-22 06:54:54,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:54,450 INFO L481 AbstractCegarLoop]: Abstraction has 164 states and 233 transitions. [2020-12-22 06:54:54,450 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:54:54,450 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 233 transitions. [2020-12-22 06:54:54,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-22 06:54:54,453 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:54,453 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] [2020-12-22 06:54:54,453 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 06:54:54,454 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:54,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:54,456 INFO L82 PathProgramCache]: Analyzing trace with hash -1894185024, now seen corresponding path program 1 times [2020-12-22 06:54:54,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:54,460 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133131208] [2020-12-22 06:54:54,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:54,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:54,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:54:54,596 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133131208] [2020-12-22 06:54:54,596 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:54,596 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 06:54:54,597 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141187716] [2020-12-22 06:54:54,599 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:54:54,600 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:54,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:54:54,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:54:54,601 INFO L87 Difference]: Start difference. First operand 164 states and 233 transitions. Second operand 5 states. [2020-12-22 06:54:54,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:54,764 INFO L93 Difference]: Finished difference Result 605 states and 865 transitions. [2020-12-22 06:54:54,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-22 06:54:54,765 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2020-12-22 06:54:54,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:54,768 INFO L225 Difference]: With dead ends: 605 [2020-12-22 06:54:54,768 INFO L226 Difference]: Without dead ends: 448 [2020-12-22 06:54:54,773 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-22 06:54:54,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2020-12-22 06:54:54,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 162. [2020-12-22 06:54:54,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-12-22 06:54:54,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 227 transitions. [2020-12-22 06:54:54,810 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 227 transitions. Word has length 28 [2020-12-22 06:54:54,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:54,811 INFO L481 AbstractCegarLoop]: Abstraction has 162 states and 227 transitions. [2020-12-22 06:54:54,811 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:54:54,812 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 227 transitions. [2020-12-22 06:54:54,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-22 06:54:54,821 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:54,822 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] [2020-12-22 06:54:54,822 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 06:54:54,822 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:54,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:54,824 INFO L82 PathProgramCache]: Analyzing trace with hash -44877900, now seen corresponding path program 1 times [2020-12-22 06:54:54,828 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:54,829 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122789473] [2020-12-22 06:54:54,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:54,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:54,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:54:54,943 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122789473] [2020-12-22 06:54:54,943 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:54,943 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:54:54,944 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135978957] [2020-12-22 06:54:54,944 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:54:54,945 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:54,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:54:54,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:54:54,947 INFO L87 Difference]: Start difference. First operand 162 states and 227 transitions. Second operand 5 states. [2020-12-22 06:54:55,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:55,027 INFO L93 Difference]: Finished difference Result 479 states and 665 transitions. [2020-12-22 06:54:55,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-22 06:54:55,028 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 33 [2020-12-22 06:54:55,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:55,030 INFO L225 Difference]: With dead ends: 479 [2020-12-22 06:54:55,030 INFO L226 Difference]: Without dead ends: 324 [2020-12-22 06:54:55,031 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:54:55,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2020-12-22 06:54:55,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 174. [2020-12-22 06:54:55,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2020-12-22 06:54:55,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 239 transitions. [2020-12-22 06:54:55,051 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 239 transitions. Word has length 33 [2020-12-22 06:54:55,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:55,052 INFO L481 AbstractCegarLoop]: Abstraction has 174 states and 239 transitions. [2020-12-22 06:54:55,052 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:54:55,052 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 239 transitions. [2020-12-22 06:54:55,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-22 06:54:55,053 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:55,053 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] [2020-12-22 06:54:55,054 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 06:54:55,054 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:55,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:55,054 INFO L82 PathProgramCache]: Analyzing trace with hash 656186678, now seen corresponding path program 1 times [2020-12-22 06:54:55,055 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:55,055 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840731592] [2020-12-22 06:54:55,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:55,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:55,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:54:55,114 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840731592] [2020-12-22 06:54:55,115 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:55,115 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 06:54:55,115 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294382861] [2020-12-22 06:54:55,116 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:54:55,116 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:55,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:54:55,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:54:55,117 INFO L87 Difference]: Start difference. First operand 174 states and 239 transitions. Second operand 6 states. [2020-12-22 06:54:55,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:55,224 INFO L93 Difference]: Finished difference Result 513 states and 699 transitions. [2020-12-22 06:54:55,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 06:54:55,224 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2020-12-22 06:54:55,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:55,226 INFO L225 Difference]: With dead ends: 513 [2020-12-22 06:54:55,227 INFO L226 Difference]: Without dead ends: 346 [2020-12-22 06:54:55,228 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-12-22 06:54:55,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2020-12-22 06:54:55,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 182. [2020-12-22 06:54:55,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2020-12-22 06:54:55,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 247 transitions. [2020-12-22 06:54:55,252 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 247 transitions. Word has length 33 [2020-12-22 06:54:55,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:55,252 INFO L481 AbstractCegarLoop]: Abstraction has 182 states and 247 transitions. [2020-12-22 06:54:55,264 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:54:55,265 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 247 transitions. [2020-12-22 06:54:55,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-22 06:54:55,265 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:55,266 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] [2020-12-22 06:54:55,266 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 06:54:55,266 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:55,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:55,267 INFO L82 PathProgramCache]: Analyzing trace with hash 69380664, now seen corresponding path program 1 times [2020-12-22 06:54:55,267 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:55,267 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525673348] [2020-12-22 06:54:55,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:55,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:55,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:54:55,313 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525673348] [2020-12-22 06:54:55,313 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:55,313 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-22 06:54:55,313 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033904274] [2020-12-22 06:54:55,314 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:54:55,314 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:55,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:54:55,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:55,315 INFO L87 Difference]: Start difference. First operand 182 states and 247 transitions. Second operand 3 states. [2020-12-22 06:54:55,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:55,362 INFO L93 Difference]: Finished difference Result 445 states and 603 transitions. [2020-12-22 06:54:55,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:54:55,362 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 33 [2020-12-22 06:54:55,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:55,364 INFO L225 Difference]: With dead ends: 445 [2020-12-22 06:54:55,364 INFO L226 Difference]: Without dead ends: 270 [2020-12-22 06:54:55,365 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:55,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2020-12-22 06:54:55,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 270. [2020-12-22 06:54:55,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2020-12-22 06:54:55,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 357 transitions. [2020-12-22 06:54:55,399 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 357 transitions. Word has length 33 [2020-12-22 06:54:55,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:55,399 INFO L481 AbstractCegarLoop]: Abstraction has 270 states and 357 transitions. [2020-12-22 06:54:55,399 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:54:55,400 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 357 transitions. [2020-12-22 06:54:55,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-22 06:54:55,400 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:55,401 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] [2020-12-22 06:54:55,401 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 06:54:55,401 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:55,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:55,402 INFO L82 PathProgramCache]: Analyzing trace with hash 1964012792, now seen corresponding path program 1 times [2020-12-22 06:54:55,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:55,402 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629113524] [2020-12-22 06:54:55,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:55,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:55,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:54:55,450 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629113524] [2020-12-22 06:54:55,450 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:55,451 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:54:55,451 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377299359] [2020-12-22 06:54:55,451 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:54:55,452 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:55,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:54:55,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:55,452 INFO L87 Difference]: Start difference. First operand 270 states and 357 transitions. Second operand 3 states. [2020-12-22 06:54:55,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:55,514 INFO L93 Difference]: Finished difference Result 389 states and 516 transitions. [2020-12-22 06:54:55,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:54:55,515 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-12-22 06:54:55,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:55,518 INFO L225 Difference]: With dead ends: 389 [2020-12-22 06:54:55,518 INFO L226 Difference]: Without dead ends: 387 [2020-12-22 06:54:55,518 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:55,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2020-12-22 06:54:55,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 316. [2020-12-22 06:54:55,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2020-12-22 06:54:55,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 425 transitions. [2020-12-22 06:54:55,560 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 425 transitions. Word has length 34 [2020-12-22 06:54:55,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:55,561 INFO L481 AbstractCegarLoop]: Abstraction has 316 states and 425 transitions. [2020-12-22 06:54:55,561 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:54:55,561 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 425 transitions. [2020-12-22 06:54:55,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-22 06:54:55,562 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:55,562 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:55,563 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-22 06:54:55,563 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:55,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:55,563 INFO L82 PathProgramCache]: Analyzing trace with hash -2090460060, now seen corresponding path program 1 times [2020-12-22 06:54:55,564 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:55,564 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833108694] [2020-12-22 06:54:55,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:55,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:55,686 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:54:55,686 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833108694] [2020-12-22 06:54:55,686 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:55,687 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-22 06:54:55,687 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351568830] [2020-12-22 06:54:55,687 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-22 06:54:55,688 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:55,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-22 06:54:55,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-22 06:54:55,689 INFO L87 Difference]: Start difference. First operand 316 states and 425 transitions. Second operand 6 states. [2020-12-22 06:54:56,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:56,126 INFO L93 Difference]: Finished difference Result 1729 states and 2372 transitions. [2020-12-22 06:54:56,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-22 06:54:56,126 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2020-12-22 06:54:56,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:56,136 INFO L225 Difference]: With dead ends: 1729 [2020-12-22 06:54:56,136 INFO L226 Difference]: Without dead ends: 1508 [2020-12-22 06:54:56,137 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2020-12-22 06:54:56,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1508 states. [2020-12-22 06:54:56,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1508 to 659. [2020-12-22 06:54:56,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 659 states. [2020-12-22 06:54:56,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 886 transitions. [2020-12-22 06:54:56,232 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 886 transitions. Word has length 58 [2020-12-22 06:54:56,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:56,233 INFO L481 AbstractCegarLoop]: Abstraction has 659 states and 886 transitions. [2020-12-22 06:54:56,233 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-22 06:54:56,233 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 886 transitions. [2020-12-22 06:54:56,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-22 06:54:56,235 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:56,235 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:56,235 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-22 06:54:56,235 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:56,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:56,236 INFO L82 PathProgramCache]: Analyzing trace with hash -1832294622, now seen corresponding path program 1 times [2020-12-22 06:54:56,236 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:56,236 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591402576] [2020-12-22 06:54:56,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:56,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:56,328 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-22 06:54:56,329 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591402576] [2020-12-22 06:54:56,329 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:56,329 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-22 06:54:56,329 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064952825] [2020-12-22 06:54:56,330 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-22 06:54:56,330 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:56,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-22 06:54:56,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:54:56,331 INFO L87 Difference]: Start difference. First operand 659 states and 886 transitions. Second operand 7 states. [2020-12-22 06:54:56,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:56,485 INFO L93 Difference]: Finished difference Result 1322 states and 1767 transitions. [2020-12-22 06:54:56,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-22 06:54:56,486 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2020-12-22 06:54:56,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:56,491 INFO L225 Difference]: With dead ends: 1322 [2020-12-22 06:54:56,491 INFO L226 Difference]: Without dead ends: 758 [2020-12-22 06:54:56,492 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-12-22 06:54:56,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 758 states. [2020-12-22 06:54:56,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 758 to 366. [2020-12-22 06:54:56,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 366 states. [2020-12-22 06:54:56,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 473 transitions. [2020-12-22 06:54:56,550 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 473 transitions. Word has length 58 [2020-12-22 06:54:56,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:56,550 INFO L481 AbstractCegarLoop]: Abstraction has 366 states and 473 transitions. [2020-12-22 06:54:56,550 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-22 06:54:56,551 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 473 transitions. [2020-12-22 06:54:56,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-22 06:54:56,552 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:56,552 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:56,552 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-22 06:54:56,553 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:56,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:56,553 INFO L82 PathProgramCache]: Analyzing trace with hash 1973254398, now seen corresponding path program 1 times [2020-12-22 06:54:56,553 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:56,554 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674501120] [2020-12-22 06:54:56,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:56,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:56,610 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 06:54:56,611 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674501120] [2020-12-22 06:54:56,611 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:56,611 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-22 06:54:56,611 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228502800] [2020-12-22 06:54:56,612 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 06:54:56,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:56,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 06:54:56,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 06:54:56,613 INFO L87 Difference]: Start difference. First operand 366 states and 473 transitions. Second operand 5 states. [2020-12-22 06:54:56,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:56,849 INFO L93 Difference]: Finished difference Result 634 states and 825 transitions. [2020-12-22 06:54:56,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 06:54:56,850 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2020-12-22 06:54:56,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:56,852 INFO L225 Difference]: With dead ends: 634 [2020-12-22 06:54:56,853 INFO L226 Difference]: Without dead ends: 363 [2020-12-22 06:54:56,854 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-22 06:54:56,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2020-12-22 06:54:56,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 359. [2020-12-22 06:54:56,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 359 states. [2020-12-22 06:54:56,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 456 transitions. [2020-12-22 06:54:56,915 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 456 transitions. Word has length 58 [2020-12-22 06:54:56,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:56,915 INFO L481 AbstractCegarLoop]: Abstraction has 359 states and 456 transitions. [2020-12-22 06:54:56,915 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 06:54:56,916 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 456 transitions. [2020-12-22 06:54:56,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-22 06:54:56,917 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 06:54:56,917 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 06:54:56,917 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-22 06:54:56,918 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 06:54:56,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 06:54:56,918 INFO L82 PathProgramCache]: Analyzing trace with hash -1655944216, now seen corresponding path program 1 times [2020-12-22 06:54:56,919 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 06:54:56,919 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787432044] [2020-12-22 06:54:56,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 06:54:56,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 06:54:57,012 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-12-22 06:54:57,013 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787432044] [2020-12-22 06:54:57,014 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 06:54:57,014 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 06:54:57,014 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057412748] [2020-12-22 06:54:57,014 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 06:54:57,015 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 06:54:57,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 06:54:57,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:57,016 INFO L87 Difference]: Start difference. First operand 359 states and 456 transitions. Second operand 3 states. [2020-12-22 06:54:57,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 06:54:57,148 INFO L93 Difference]: Finished difference Result 707 states and 897 transitions. [2020-12-22 06:54:57,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 06:54:57,149 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2020-12-22 06:54:57,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 06:54:57,149 INFO L225 Difference]: With dead ends: 707 [2020-12-22 06:54:57,149 INFO L226 Difference]: Without dead ends: 0 [2020-12-22 06:54:57,151 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 06:54:57,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-22 06:54:57,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-22 06:54:57,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-22 06:54:57,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-22 06:54:57,152 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2020-12-22 06:54:57,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 06:54:57,152 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-22 06:54:57,152 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 06:54:57,152 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-22 06:54:57,152 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-22 06:54:57,153 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-22 06:54:57,155 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-22 06:54:57,618 WARN L197 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 189 [2020-12-22 06:54:57,924 WARN L197 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 163 [2020-12-22 06:54:58,255 WARN L197 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 173 [2020-12-22 06:54:58,680 WARN L197 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 188 [2020-12-22 06:54:59,130 WARN L197 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 165 [2020-12-22 06:54:59,563 WARN L197 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 191 [2020-12-22 06:54:59,704 WARN L197 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 90 [2020-12-22 06:54:59,988 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 113 [2020-12-22 06:55:00,261 WARN L197 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 173 [2020-12-22 06:55:01,110 WARN L197 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 32 [2020-12-22 06:55:01,741 WARN L197 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 27 [2020-12-22 06:55:01,865 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 22 [2020-12-22 06:55:02,584 WARN L197 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 34 [2020-12-22 06:55:03,530 WARN L197 SmtUtils]: Spent 937.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 29 [2020-12-22 06:55:03,747 WARN L197 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 32 [2020-12-22 06:55:04,342 WARN L197 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 27 [2020-12-22 06:55:05,540 WARN L197 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 182 DAG size of output: 33 [2020-12-22 06:55:05,871 WARN L197 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 25 [2020-12-22 06:55:06,313 WARN L197 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 29 [2020-12-22 06:55:06,612 WARN L197 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 34 [2020-12-22 06:55:07,032 WARN L197 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 37 [2020-12-22 06:55:07,792 WARN L197 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 26 [2020-12-22 06:55:07,822 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 619) no Hoare annotation was computed. [2020-12-22 06:55:07,823 INFO L189 CegarLoopUtils]: For program point L498(lines 498 504) no Hoare annotation was computed. [2020-12-22 06:55:07,823 INFO L189 CegarLoopUtils]: For program point L498-1(lines 498 504) no Hoare annotation was computed. [2020-12-22 06:55:07,823 INFO L189 CegarLoopUtils]: For program point L498-2(lines 498 504) no Hoare annotation was computed. [2020-12-22 06:55:07,823 INFO L189 CegarLoopUtils]: For program point L498-3(lines 498 504) no Hoare annotation was computed. [2020-12-22 06:55:07,823 INFO L189 CegarLoopUtils]: For program point L498-4(lines 498 504) no Hoare annotation was computed. [2020-12-22 06:55:07,823 INFO L189 CegarLoopUtils]: For program point L498-5(lines 498 504) no Hoare annotation was computed. [2020-12-22 06:55:07,824 INFO L189 CegarLoopUtils]: For program point L433(lines 433 437) no Hoare annotation was computed. [2020-12-22 06:55:07,824 INFO L189 CegarLoopUtils]: For program point L533(lines 533 537) no Hoare annotation was computed. [2020-12-22 06:55:07,824 INFO L189 CegarLoopUtils]: For program point L533-1(lines 131 137) no Hoare annotation was computed. [2020-12-22 06:55:07,825 INFO L185 CegarLoopUtils]: At program point L401(lines 1 988) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-12-22 06:55:07,825 INFO L185 CegarLoopUtils]: At program point L138(lines 138 144) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ULTIMATE.start_main_~tmp~6 1)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~methAndRunningLastTime~0 0) .cse4) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3 .cse4) (and (= ~pumpRunning~0 0) .cse2 .cse3 (<= 1 ~waterLevel~0) .cse4))) [2020-12-22 06:55:07,825 INFO L185 CegarLoopUtils]: At program point L105(lines 56 106) the Hoare annotation is: false [2020-12-22 06:55:07,826 INFO L185 CegarLoopUtils]: At program point L138-1(lines 138 144) the Hoare annotation is: false [2020-12-22 06:55:07,826 INFO L185 CegarLoopUtils]: At program point L138-2(lines 138 144) the Hoare annotation is: false [2020-12-22 06:55:07,826 INFO L189 CegarLoopUtils]: For program point L601(lines 601 608) no Hoare annotation was computed. [2020-12-22 06:55:07,826 INFO L192 CegarLoopUtils]: At program point L601-1(lines 601 608) the Hoare annotation is: true [2020-12-22 06:55:07,826 INFO L185 CegarLoopUtils]: At program point L503(lines 494 507) the Hoare annotation is: false [2020-12-22 06:55:07,826 INFO L185 CegarLoopUtils]: At program point L503-1(lines 494 507) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~6 1)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~methAndRunningLastTime~0 0) .cse5) (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse2 .cse3 .cse4 (<= 1 ~waterLevel~0) .cse5) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-12-22 06:55:07,826 INFO L185 CegarLoopUtils]: At program point L503-2(lines 494 507) the Hoare annotation is: false [2020-12-22 06:55:07,827 INFO L185 CegarLoopUtils]: At program point L503-3(lines 494 507) the Hoare annotation is: false [2020-12-22 06:55:07,827 INFO L185 CegarLoopUtils]: At program point L503-4(lines 494 507) the Hoare annotation is: false [2020-12-22 06:55:07,827 INFO L185 CegarLoopUtils]: At program point L503-5(lines 494 507) the Hoare annotation is: false [2020-12-22 06:55:07,827 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 619) no Hoare annotation was computed. [2020-12-22 06:55:07,827 INFO L185 CegarLoopUtils]: At program point L242(lines 237 245) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~6 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= |ULTIMATE.start_isPumpRunning_#res| 0) .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) .cse3) (and (not .cse0) (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) .cse1 .cse2 (= ~methAndRunningLastTime~0 0) .cse3))) [2020-12-22 06:55:07,827 INFO L185 CegarLoopUtils]: At program point L242-1(lines 237 245) the Hoare annotation is: false [2020-12-22 06:55:07,828 INFO L185 CegarLoopUtils]: At program point L242-2(lines 237 245) the Hoare annotation is: false [2020-12-22 06:55:07,828 INFO L189 CegarLoopUtils]: For program point L77(lines 77 83) no Hoare annotation was computed. [2020-12-22 06:55:07,828 INFO L185 CegarLoopUtils]: At program point L77-1(lines 77 83) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~6 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (not .cse0) (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) (= ~methAndRunningLastTime~0 0) .cse3))) [2020-12-22 06:55:07,828 INFO L185 CegarLoopUtils]: At program point L409(lines 404 412) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2020-12-22 06:55:07,828 INFO L185 CegarLoopUtils]: At program point L343(lines 338 345) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ULTIMATE.start_main_~tmp~6 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2020-12-22 06:55:07,828 INFO L189 CegarLoopUtils]: For program point L310(lines 310 314) no Hoare annotation was computed. [2020-12-22 06:55:07,829 INFO L189 CegarLoopUtils]: For program point L310-2(lines 310 314) no Hoare annotation was computed. [2020-12-22 06:55:07,829 INFO L189 CegarLoopUtils]: For program point L310-3(lines 310 314) no Hoare annotation was computed. [2020-12-22 06:55:07,829 INFO L189 CegarLoopUtils]: For program point L310-5(lines 310 314) no Hoare annotation was computed. [2020-12-22 06:55:07,829 INFO L189 CegarLoopUtils]: For program point L310-6(lines 310 314) no Hoare annotation was computed. [2020-12-22 06:55:07,829 INFO L189 CegarLoopUtils]: For program point L310-8(lines 310 314) no Hoare annotation was computed. [2020-12-22 06:55:07,829 INFO L192 CegarLoopUtils]: At program point L610(lines 591 613) the Hoare annotation is: true [2020-12-22 06:55:07,829 INFO L185 CegarLoopUtils]: At program point L577(lines 573 579) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ULTIMATE.start_main_~tmp~6 1) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~methAndRunningLastTime~0 0)) [2020-12-22 06:55:07,829 INFO L189 CegarLoopUtils]: For program point L445(lines 445 449) no Hoare annotation was computed. [2020-12-22 06:55:07,830 INFO L185 CegarLoopUtils]: At program point L513(lines 508 516) the Hoare annotation is: (and (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (not (= ~pumpRunning~0 0)) (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~6 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:55:07,830 INFO L185 CegarLoopUtils]: At program point L513-1(lines 508 516) the Hoare annotation is: false [2020-12-22 06:55:07,830 INFO L185 CegarLoopUtils]: At program point L513-2(lines 508 516) the Hoare annotation is: false [2020-12-22 06:55:07,830 INFO L185 CegarLoopUtils]: At program point L316(lines 301 319) the Hoare annotation is: (and (<= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (not (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 0)) (< 0 (+ ULTIMATE.start_isLowWaterLevel_~tmp~4 1)) (not (= |ULTIMATE.start_isLowWaterLevel_#res| 0)) (not (= ~pumpRunning~0 0)) (<= ULTIMATE.start_isLowWaterLevel_~tmp~4 0) (<= 0 |ULTIMATE.start_isLowWaterSensorDry_#res|) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_main_~tmp~6 1) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-22 06:55:07,830 INFO L185 CegarLoopUtils]: At program point L316-1(lines 301 319) the Hoare annotation is: false [2020-12-22 06:55:07,830 INFO L185 CegarLoopUtils]: At program point L316-2(lines 301 319) the Hoare annotation is: false [2020-12-22 06:55:07,831 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-22 06:55:07,831 INFO L189 CegarLoopUtils]: For program point L87(lines 87 100) no Hoare annotation was computed. [2020-12-22 06:55:07,831 INFO L189 CegarLoopUtils]: For program point L354(lines 354 371) no Hoare annotation was computed. [2020-12-22 06:55:07,831 INFO L185 CegarLoopUtils]: At program point L354-1(lines 1 988) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~6 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (not .cse0) (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) (= ~methAndRunningLastTime~0 0) .cse3))) [2020-12-22 06:55:07,831 INFO L189 CegarLoopUtils]: For program point L354-2(lines 354 371) no Hoare annotation was computed. [2020-12-22 06:55:07,831 INFO L185 CegarLoopUtils]: At program point L354-3(lines 1 988) the Hoare annotation is: false [2020-12-22 06:55:07,832 INFO L189 CegarLoopUtils]: For program point L354-4(lines 354 371) no Hoare annotation was computed. [2020-12-22 06:55:07,832 INFO L189 CegarLoopUtils]: For program point L189(lines 189 206) no Hoare annotation was computed. [2020-12-22 06:55:07,832 INFO L185 CegarLoopUtils]: At program point L354-5(lines 1 988) the Hoare annotation is: false [2020-12-22 06:55:07,832 INFO L189 CegarLoopUtils]: For program point L189-1(lines 189 206) no Hoare annotation was computed. [2020-12-22 06:55:07,832 INFO L189 CegarLoopUtils]: For program point L189-2(lines 189 206) no Hoare annotation was computed. [2020-12-22 06:55:07,832 INFO L189 CegarLoopUtils]: For program point L619(line 619) no Hoare annotation was computed. [2020-12-22 06:55:07,832 INFO L189 CegarLoopUtils]: For program point L619-1(line 619) no Hoare annotation was computed. [2020-12-22 06:55:07,832 INFO L189 CegarLoopUtils]: For program point L619-2(line 619) no Hoare annotation was computed. [2020-12-22 06:55:07,833 INFO L189 CegarLoopUtils]: For program point L421(lines 421 425) no Hoare annotation was computed. [2020-12-22 06:55:07,833 INFO L189 CegarLoopUtils]: For program point L421-3(lines 421 425) no Hoare annotation was computed. [2020-12-22 06:55:07,833 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-22 06:55:07,833 INFO L189 CegarLoopUtils]: For program point L421-6(lines 421 425) no Hoare annotation was computed. [2020-12-22 06:55:07,833 INFO L189 CegarLoopUtils]: For program point L58(lines 57 104) no Hoare annotation was computed. [2020-12-22 06:55:07,833 INFO L189 CegarLoopUtils]: For program point L59(lines 59 63) no Hoare annotation was computed. [2020-12-22 06:55:07,833 INFO L189 CegarLoopUtils]: For program point L324(lines 324 330) no Hoare annotation was computed. [2020-12-22 06:55:07,833 INFO L185 CegarLoopUtils]: At program point L324-1(lines 324 330) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~6 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse4 .cse3) (and .cse0 .cse1 .cse2 .cse4 (= ~methAndRunningLastTime~0 0) .cse3))) [2020-12-22 06:55:07,834 INFO L189 CegarLoopUtils]: For program point L291(lines 291 295) no Hoare annotation was computed. [2020-12-22 06:55:07,834 INFO L189 CegarLoopUtils]: For program point L291-2(lines 291 295) no Hoare annotation was computed. [2020-12-22 06:55:07,834 INFO L189 CegarLoopUtils]: For program point L291-3(lines 291 295) no Hoare annotation was computed. [2020-12-22 06:55:07,834 INFO L189 CegarLoopUtils]: For program point L291-5(lines 291 295) no Hoare annotation was computed. [2020-12-22 06:55:07,834 INFO L189 CegarLoopUtils]: For program point L93(lines 93 99) no Hoare annotation was computed. [2020-12-22 06:55:07,834 INFO L189 CegarLoopUtils]: For program point L291-6(lines 291 295) no Hoare annotation was computed. [2020-12-22 06:55:07,834 INFO L185 CegarLoopUtils]: At program point L93-1(lines 131 137) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse1 (= 0 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~6 1)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (not .cse0) (not .cse1) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse3 .cse4 .cse6 (= ~methAndRunningLastTime~0 0) .cse5) (and .cse1 .cse2 .cse0 .cse3 .cse4 .cse5) (and (= ~methaneLevelCritical~0 0) .cse1 .cse0 .cse3 .cse4 .cse6 .cse5))) [2020-12-22 06:55:07,835 INFO L189 CegarLoopUtils]: For program point L291-8(lines 291 295) no Hoare annotation was computed. [2020-12-22 06:55:07,835 INFO L189 CegarLoopUtils]: For program point L291-9(lines 291 295) no Hoare annotation was computed. [2020-12-22 06:55:07,835 INFO L189 CegarLoopUtils]: For program point L291-11(lines 291 295) no Hoare annotation was computed. [2020-12-22 06:55:07,835 INFO L189 CegarLoopUtils]: For program point L291-12(lines 291 295) no Hoare annotation was computed. [2020-12-22 06:55:07,835 INFO L189 CegarLoopUtils]: For program point L291-14(lines 291 295) no Hoare annotation was computed. [2020-12-22 06:55:07,835 INFO L189 CegarLoopUtils]: For program point L291-15(lines 291 295) no Hoare annotation was computed. [2020-12-22 06:55:07,835 INFO L189 CegarLoopUtils]: For program point L291-17(lines 291 295) no Hoare annotation was computed. [2020-12-22 06:55:07,835 INFO L189 CegarLoopUtils]: For program point L358(lines 358 368) no Hoare annotation was computed. [2020-12-22 06:55:07,836 INFO L189 CegarLoopUtils]: For program point L358-2(lines 358 368) no Hoare annotation was computed. [2020-12-22 06:55:07,836 INFO L189 CegarLoopUtils]: For program point L358-4(lines 358 368) no Hoare annotation was computed. [2020-12-22 06:55:07,836 INFO L189 CegarLoopUtils]: For program point L193(lines 193 201) no Hoare annotation was computed. [2020-12-22 06:55:07,836 INFO L189 CegarLoopUtils]: For program point L193-1(lines 193 201) no Hoare annotation was computed. [2020-12-22 06:55:07,836 INFO L189 CegarLoopUtils]: For program point L193-2(lines 193 201) no Hoare annotation was computed. [2020-12-22 06:55:07,836 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-22 06:55:07,836 INFO L185 CegarLoopUtils]: At program point L458(lines 453 461) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ULTIMATE.start_main_~tmp~6 1)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 (= ~methAndRunningLastTime~0 0) .cse4) (and (= ~methaneLevelCritical~0 0) .cse0 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2 .cse3 .cse4) (and (= ~pumpRunning~0 0) .cse2 .cse3 (<= 1 ~waterLevel~0) .cse4))) [2020-12-22 06:55:07,837 INFO L185 CegarLoopUtils]: At program point L458-1(lines 453 461) the Hoare annotation is: false [2020-12-22 06:55:07,837 INFO L185 CegarLoopUtils]: At program point L458-2(lines 453 461) the Hoare annotation is: false [2020-12-22 06:55:07,837 INFO L189 CegarLoopUtils]: For program point L359(lines 359 365) no Hoare annotation was computed. [2020-12-22 06:55:07,837 INFO L189 CegarLoopUtils]: For program point L359-2(lines 359 365) no Hoare annotation was computed. [2020-12-22 06:55:07,837 INFO L189 CegarLoopUtils]: For program point L359-4(lines 359 365) no Hoare annotation was computed. [2020-12-22 06:55:07,837 INFO L189 CegarLoopUtils]: For program point L163(lines 163 180) no Hoare annotation was computed. [2020-12-22 06:55:07,837 INFO L189 CegarLoopUtils]: For program point L163-1(lines 163 180) no Hoare annotation was computed. [2020-12-22 06:55:07,837 INFO L189 CegarLoopUtils]: For program point L163-2(lines 163 180) no Hoare annotation was computed. [2020-12-22 06:55:07,838 INFO L189 CegarLoopUtils]: For program point L163-3(lines 163 180) no Hoare annotation was computed. [2020-12-22 06:55:07,838 INFO L189 CegarLoopUtils]: For program point L163-4(lines 163 180) no Hoare annotation was computed. [2020-12-22 06:55:07,838 INFO L189 CegarLoopUtils]: For program point L163-5(lines 163 180) no Hoare annotation was computed. [2020-12-22 06:55:07,838 INFO L185 CegarLoopUtils]: At program point L131(lines 130 149) the Hoare annotation is: (let ((.cse4 (<= 1 ~waterLevel~0)) (.cse1 (= 0 ~systemActive~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~6 1)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (not .cse0) (not .cse1) .cse2 .cse3 .cse4 .cse5) (and (= ~methaneLevelCritical~0 0) .cse0 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse2 .cse3 .cse4 (= ~methAndRunningLastTime~0 0) .cse5) (and .cse1 (<= 2 ~waterLevel~0) .cse0 .cse2 .cse3 .cse5))) [2020-12-22 06:55:07,838 INFO L189 CegarLoopUtils]: For program point L131-1(lines 131 137) no Hoare annotation was computed. [2020-12-22 06:55:07,838 INFO L185 CegarLoopUtils]: At program point L131-2(lines 130 149) the Hoare annotation is: false [2020-12-22 06:55:07,838 INFO L185 CegarLoopUtils]: At program point L131-3(lines 130 149) the Hoare annotation is: false [2020-12-22 06:55:07,839 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-22 06:55:07,839 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 619) no Hoare annotation was computed. [2020-12-22 06:55:07,839 INFO L185 CegarLoopUtils]: At program point L297(lines 282 300) the Hoare annotation is: false [2020-12-22 06:55:07,839 INFO L185 CegarLoopUtils]: At program point L297-1(lines 282 300) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~6 1)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~methAndRunningLastTime~0 0) .cse5) (and (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse0 .cse2 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0)) .cse3 .cse4 (<= 1 ~waterLevel~0) .cse5) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5))) [2020-12-22 06:55:07,839 INFO L185 CegarLoopUtils]: At program point L297-2(lines 282 300) the Hoare annotation is: false [2020-12-22 06:55:07,839 INFO L185 CegarLoopUtils]: At program point L297-3(lines 282 300) the Hoare annotation is: false [2020-12-22 06:55:07,839 INFO L185 CegarLoopUtils]: At program point L297-4(lines 282 300) the Hoare annotation is: false [2020-12-22 06:55:07,840 INFO L185 CegarLoopUtils]: At program point L297-5(lines 282 300) the Hoare annotation is: false [2020-12-22 06:55:07,840 INFO L185 CegarLoopUtils]: At program point L529-2(lines 529 543) the Hoare annotation is: false [2020-12-22 06:55:07,840 INFO L189 CegarLoopUtils]: For program point L67(lines 67 73) no Hoare annotation was computed. [2020-12-22 06:55:07,840 INFO L185 CegarLoopUtils]: At program point L67-1(lines 67 73) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~6 1)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (not .cse0) (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) (= ~methAndRunningLastTime~0 0) .cse3))) [2020-12-22 06:55:07,840 INFO L189 CegarLoopUtils]: For program point L530(line 530) no Hoare annotation was computed. [2020-12-22 06:55:07,840 INFO L189 CegarLoopUtils]: For program point L167(lines 167 175) no Hoare annotation was computed. [2020-12-22 06:55:07,840 INFO L189 CegarLoopUtils]: For program point L167-1(lines 167 175) no Hoare annotation was computed. [2020-12-22 06:55:07,841 INFO L189 CegarLoopUtils]: For program point L167-2(lines 167 175) no Hoare annotation was computed. [2020-12-22 06:55:07,841 INFO L189 CegarLoopUtils]: For program point L167-3(lines 167 175) no Hoare annotation was computed. [2020-12-22 06:55:07,841 INFO L189 CegarLoopUtils]: For program point L167-4(lines 167 175) no Hoare annotation was computed. [2020-12-22 06:55:07,841 INFO L189 CegarLoopUtils]: For program point L167-5(lines 167 175) no Hoare annotation was computed. [2020-12-22 06:55:07,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.12 06:55:07 BoogieIcfgContainer [2020-12-22 06:55:07,874 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-22 06:55:07,874 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-22 06:55:07,875 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-22 06:55:07,875 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-22 06:55:07,875 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 06:54:52" (3/4) ... [2020-12-22 06:55:07,879 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-22 06:55:07,902 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-22 06:55:07,903 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-22 06:55:07,905 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-22 06:55:07,906 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-22 06:55:07,907 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-22 06:55:07,908 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:55:07,909 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-22 06:55:07,939 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2020-12-22 06:55:07,939 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && tmp == 1) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2020-12-22 06:55:07,939 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && tmp == 1) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 [2020-12-22 06:55:07,940 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(pumpRunning == 0) && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1) || (((((pumpRunning == 0 && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) && \result == 1) [2020-12-22 06:55:07,940 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(pumpRunning == 0) && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1) || (((((pumpRunning == 0 && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) && \result == 1) [2020-12-22 06:55:07,941 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(pumpRunning == 0) && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1) || (((((pumpRunning == 0 && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) && \result == 1) [2020-12-22 06:55:07,941 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(pumpRunning == 0) && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1) || (((((pumpRunning == 0 && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) && \result == 1)) || (((((0 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1)) || ((((((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-12-22 06:55:07,941 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((((methaneLevelCritical == 0 && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || (((((pumpRunning == 0 && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) && \result == 1)) || (((((0 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) [2020-12-22 06:55:07,942 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0 == systemActive) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || (((((methaneLevelCritical == 0 && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1)) || ((((pumpRunning == 0 && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-12-22 06:55:07,942 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 <= waterLevel && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) || (((((methaneLevelCritical == 0 && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || (((((pumpRunning == 0 && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) && \result == 1) [2020-12-22 06:55:07,943 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0 == systemActive) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((((methaneLevelCritical == 0 && !(0 == systemActive)) && \result == 0) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1)) || ((((pumpRunning == 0 && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2020-12-22 06:55:07,944 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result <= 0 && !(pumpRunning == 0)) && 0 <= \result) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 [2020-12-22 06:55:07,945 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((((!(\result == 0) && !(0 == systemActive)) && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || ((((((methaneLevelCritical == 0 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) [2020-12-22 06:55:07,945 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 0 && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || ((((((!(pumpRunning == 0) && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) [2020-12-22 06:55:07,946 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((\result <= 0 && !(tmp___0 == 0)) && 0 < tmp + 1) && !(\result == 0)) && !(pumpRunning == 0)) && tmp <= 0) && 0 <= \result) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 [2020-12-22 06:55:07,946 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((((((tmp___0 == 0 && \result == 0) && !(0 == systemActive)) && pumpRunning == 0) && !(tmp == 0)) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || ((((((methaneLevelCritical == 0 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) [2020-12-22 06:55:08,028 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec2_product51.cil.c-witness.graphml [2020-12-22 06:55:08,029 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-22 06:55:08,030 INFO L168 Benchmark]: Toolchain (without parser) took 17242.51 ms. Allocated memory was 161.5 MB in the beginning and 339.7 MB in the end (delta: 178.3 MB). Free memory was 135.8 MB in the beginning and 235.1 MB in the end (delta: -99.3 MB). Peak memory consumption was 80.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:08,030 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 161.5 MB. Free memory is still 134.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-22 06:55:08,031 INFO L168 Benchmark]: CACSL2BoogieTranslator took 589.71 ms. Allocated memory is still 161.5 MB. Free memory was 135.6 MB in the beginning and 114.2 MB in the end (delta: 21.4 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:08,031 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.18 ms. Allocated memory is still 161.5 MB. Free memory was 114.2 MB in the beginning and 143.3 MB in the end (delta: -29.1 MB). Peak memory consumption was 6.8 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:08,031 INFO L168 Benchmark]: Boogie Preprocessor took 53.06 ms. Allocated memory is still 161.5 MB. Free memory was 143.3 MB in the beginning and 140.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:08,032 INFO L168 Benchmark]: RCFGBuilder took 1187.89 ms. Allocated memory is still 161.5 MB. Free memory was 140.6 MB in the beginning and 76.7 MB in the end (delta: 64.0 MB). Peak memory consumption was 64.0 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:08,032 INFO L168 Benchmark]: TraceAbstraction took 15154.01 ms. Allocated memory was 161.5 MB in the beginning and 339.7 MB in the end (delta: 178.3 MB). Free memory was 76.7 MB in the beginning and 245.6 MB in the end (delta: -168.9 MB). Peak memory consumption was 142.5 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:08,033 INFO L168 Benchmark]: Witness Printer took 154.39 ms. Allocated memory is still 339.7 MB. Free memory was 245.6 MB in the beginning and 235.1 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2020-12-22 06:55:08,035 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 161.5 MB. Free memory is still 134.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 589.71 ms. Allocated memory is still 161.5 MB. Free memory was 135.6 MB in the beginning and 114.2 MB in the end (delta: 21.4 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 95.18 ms. Allocated memory is still 161.5 MB. Free memory was 114.2 MB in the beginning and 143.3 MB in the end (delta: -29.1 MB). Peak memory consumption was 6.8 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 53.06 ms. Allocated memory is still 161.5 MB. Free memory was 143.3 MB in the beginning and 140.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1187.89 ms. Allocated memory is still 161.5 MB. Free memory was 140.6 MB in the beginning and 76.7 MB in the end (delta: 64.0 MB). Peak memory consumption was 64.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 15154.01 ms. Allocated memory was 161.5 MB in the beginning and 339.7 MB in the end (delta: 178.3 MB). Free memory was 76.7 MB in the beginning and 245.6 MB in the end (delta: -168.9 MB). Peak memory consumption was 142.5 MB. Max. memory is 8.0 GB. * Witness Printer took 154.39 ms. Allocated memory is still 339.7 MB. Free memory was 245.6 MB in the beginning and 235.1 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 619]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 619]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 619]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 601]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 591]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 338]: Loop Invariant Derived loop invariant: (((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && tmp == 1) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: (((((((!(pumpRunning == 0) && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1) || (((((pumpRunning == 0 && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) && \result == 1)) || (((((0 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1)) || ((((((methaneLevelCritical == 0 && 0 == systemActive) && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: (((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && tmp == 1) && pumpRunning == 0) && \result == 1) && methAndRunningLastTime == 0 - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: ((((((\result <= 0 && !(pumpRunning == 0)) && 0 <= \result) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((!(pumpRunning == 0) && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1) || (((((pumpRunning == 0 && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) && \result == 1) - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: ((((((!(0 == systemActive) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((((methaneLevelCritical == 0 && !(0 == systemActive)) && \result == 0) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1)) || ((((pumpRunning == 0 && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 508]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: ((((((!(0 == systemActive) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || (((((methaneLevelCritical == 0 && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1)) || ((((pumpRunning == 0 && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: ((((((((((\result <= 0 && !(tmp___0 == 0)) && 0 < tmp + 1) && !(\result == 0)) && !(pumpRunning == 0)) && tmp <= 0) && 0 <= \result) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: (((((!(pumpRunning == 0) && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1) || (((((pumpRunning == 0 && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) && \result == 1) - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: (((((((!(pumpRunning == 0) && !(0 == systemActive)) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || (((((methaneLevelCritical == 0 && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || (((((pumpRunning == 0 && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) && \result == 1)) || (((((0 == systemActive && 2 <= waterLevel) && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) || (((((methaneLevelCritical == 0 && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || (((((pumpRunning == 0 && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) && \result == 1) - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: (((((\result == 0 && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) || ((((((!(pumpRunning == 0) && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: (((((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((((!(\result == 0) && !(0 == systemActive)) && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || ((((((methaneLevelCritical == 0 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: (((((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && methAndRunningLastTime == 0) && \result == 1) || ((((((((tmp___0 == 0 && \result == 0) && !(0 == systemActive)) && pumpRunning == 0) && !(tmp == 0)) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1)) || ((((((methaneLevelCritical == 0 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 453]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: (((((!(pumpRunning == 0) && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1) || (((((pumpRunning == 0 && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && methAndRunningLastTime == 0) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && methAndRunningLastTime == 0 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 123 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.3s, OverallIterations: 14, TraceHistogramMax: 2, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1407 SDtfs, 2159 SDslu, 2418 SDs, 0 SdLazy, 280 SolverSat, 63 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 103 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=659occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 14 MinimizatonAttempts, 2170 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 45 PreInvPairs, 188 NumberOfFragments, 825 HoareAnnotationTreeSize, 45 FomulaSimplifications, 1299367 FormulaSimplificationTreeSizeReduction, 3.1s HoareSimplificationTime, 45 FomulaSimplificationsInter, 541484 FormulaSimplificationTreeSizeReductionInter, 7.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 510 NumberOfCodeBlocks, 510 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 496 ConstructedInterpolants, 0 QuantifiedInterpolants, 35926 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 82/82 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...