/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label34.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-06 22:39:26,999 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-06 22:39:27,006 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-06 22:39:27,067 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-06 22:39:27,068 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-06 22:39:27,073 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-06 22:39:27,077 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-06 22:39:27,086 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-06 22:39:27,090 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-06 22:39:27,097 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-06 22:39:27,108 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-06 22:39:27,110 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-06 22:39:27,114 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-06 22:39:27,121 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-06 22:39:27,123 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-06 22:39:27,125 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-06 22:39:27,126 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-06 22:39:27,129 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-06 22:39:27,143 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-06 22:39:27,151 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-06 22:39:27,153 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-06 22:39:27,156 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-06 22:39:27,157 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-06 22:39:27,160 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-06 22:39:27,170 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-06 22:39:27,171 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-06 22:39:27,171 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-06 22:39:27,173 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-06 22:39:27,174 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-06 22:39:27,175 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-06 22:39:27,175 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-06 22:39:27,176 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-06 22:39:27,179 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-06 22:39:27,180 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-06 22:39:27,182 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-06 22:39:27,182 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-06 22:39:27,183 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-06 22:39:27,183 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-06 22:39:27,184 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-06 22:39:27,185 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-06 22:39:27,186 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-06 22:39:27,187 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-06 22:39:27,244 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-06 22:39:27,245 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-06 22:39:27,250 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-06 22:39:27,250 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-06 22:39:27,250 INFO L138 SettingsManager]: * Use SBE=true [2020-11-06 22:39:27,251 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-06 22:39:27,251 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-06 22:39:27,251 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-06 22:39:27,251 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-06 22:39:27,252 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-06 22:39:27,253 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-06 22:39:27,253 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-06 22:39:27,254 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-06 22:39:27,254 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-06 22:39:27,254 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-06 22:39:27,254 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-06 22:39:27,254 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-06 22:39:27,255 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-06 22:39:27,255 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-06 22:39:27,255 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-06 22:39:27,256 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-06 22:39:27,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 22:39:27,256 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-06 22:39:27,257 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-06 22:39:27,257 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-06 22:39:27,257 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-06 22:39:27,257 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-06 22:39:27,257 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-06 22:39:27,258 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-06 22:39:27,258 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-06 22:39:27,653 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-06 22:39:27,693 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-06 22:39:27,697 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-06 22:39:27,698 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-06 22:39:27,699 INFO L275 PluginConnector]: CDTParser initialized [2020-11-06 22:39:27,700 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label34.c [2020-11-06 22:39:27,800 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1bd1c7647/a52f2c7cc7e84740a9413d0d905ab380/FLAGc4bd841bf [2020-11-06 22:39:28,429 INFO L306 CDTParser]: Found 1 translation units. [2020-11-06 22:39:28,430 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label34.c [2020-11-06 22:39:28,451 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1bd1c7647/a52f2c7cc7e84740a9413d0d905ab380/FLAGc4bd841bf [2020-11-06 22:39:28,695 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1bd1c7647/a52f2c7cc7e84740a9413d0d905ab380 [2020-11-06 22:39:28,699 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-06 22:39:28,708 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-06 22:39:28,712 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-06 22:39:28,713 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-06 22:39:28,717 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-06 22:39:28,718 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:39:28" (1/1) ... [2020-11-06 22:39:28,728 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d10b849 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:28, skipping insertion in model container [2020-11-06 22:39:28,728 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:39:28" (1/1) ... [2020-11-06 22:39:28,738 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-06 22:39:28,815 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-06 22:39:29,308 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:39:29,318 INFO L203 MainTranslator]: Completed pre-run [2020-11-06 22:39:29,554 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:39:29,581 INFO L208 MainTranslator]: Completed translation [2020-11-06 22:39:29,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:29 WrapperNode [2020-11-06 22:39:29,582 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-06 22:39:29,583 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-06 22:39:29,584 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-06 22:39:29,584 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-06 22:39:29,601 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:29" (1/1) ... [2020-11-06 22:39:29,603 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:29" (1/1) ... [2020-11-06 22:39:29,635 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:29" (1/1) ... [2020-11-06 22:39:29,636 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:29" (1/1) ... [2020-11-06 22:39:29,676 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:29" (1/1) ... [2020-11-06 22:39:29,692 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:29" (1/1) ... [2020-11-06 22:39:29,702 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:29" (1/1) ... [2020-11-06 22:39:29,715 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-06 22:39:29,717 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-06 22:39:29,717 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-06 22:39:29,717 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-06 22:39:29,718 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:29" (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 [2020-11-06 22:39:29,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-06 22:39:29,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-06 22:39:29,801 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-06 22:39:29,801 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-11-06 22:39:29,802 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-06 22:39:29,802 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-11-06 22:39:29,802 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-06 22:39:29,802 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-06 22:39:29,802 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-06 22:39:29,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-06 22:39:29,803 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-06 22:39:29,803 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-11-06 22:39:29,803 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-06 22:39:29,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-06 22:39:29,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-06 22:39:29,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-06 22:39:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-06 22:39:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-06 22:39:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-06 22:39:31,194 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-06 22:39:31,196 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-11-06 22:39:31,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:39:31 BoogieIcfgContainer [2020-11-06 22:39:31,200 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-06 22:39:31,203 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-06 22:39:31,203 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-06 22:39:31,207 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-06 22:39:31,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:39:28" (1/3) ... [2020-11-06 22:39:31,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e60b0ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:39:31, skipping insertion in model container [2020-11-06 22:39:31,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:39:29" (2/3) ... [2020-11-06 22:39:31,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e60b0ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:39:31, skipping insertion in model container [2020-11-06 22:39:31,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:39:31" (3/3) ... [2020-11-06 22:39:31,212 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label34.c [2020-11-06 22:39:31,234 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-06 22:39:31,239 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-06 22:39:31,273 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-06 22:39:31,313 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-06 22:39:31,313 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-06 22:39:31,314 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-06 22:39:31,314 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-06 22:39:31,314 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-06 22:39:31,314 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-06 22:39:31,314 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-06 22:39:31,314 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-06 22:39:31,336 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states. [2020-11-06 22:39:31,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-11-06 22:39:31,347 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:39:31,348 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:39:31,349 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:39:31,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:39:31,356 INFO L82 PathProgramCache]: Analyzing trace with hash -789810908, now seen corresponding path program 1 times [2020-11-06 22:39:31,367 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:39:31,367 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323847693] [2020-11-06 22:39:31,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:39:31,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:31,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:39:32,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:32,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:39:32,075 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323847693] [2020-11-06 22:39:32,076 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:39:32,076 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-06 22:39:32,077 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497075906] [2020-11-06 22:39:32,083 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-06 22:39:32,083 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:39:32,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-06 22:39:32,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-06 22:39:32,102 INFO L87 Difference]: Start difference. First operand 219 states. Second operand 4 states. [2020-11-06 22:39:33,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:39:33,978 INFO L93 Difference]: Finished difference Result 601 states and 1027 transitions. [2020-11-06 22:39:33,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-06 22:39:33,980 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 70 [2020-11-06 22:39:33,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:39:34,009 INFO L225 Difference]: With dead ends: 601 [2020-11-06 22:39:34,010 INFO L226 Difference]: Without dead ends: 303 [2020-11-06 22:39:34,026 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-11-06 22:39:34,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2020-11-06 22:39:34,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 299. [2020-11-06 22:39:34,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2020-11-06 22:39:34,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 431 transitions. [2020-11-06 22:39:34,136 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 431 transitions. Word has length 70 [2020-11-06 22:39:34,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:39:34,137 INFO L481 AbstractCegarLoop]: Abstraction has 299 states and 431 transitions. [2020-11-06 22:39:34,137 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-06 22:39:34,137 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 431 transitions. [2020-11-06 22:39:34,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-11-06 22:39:34,144 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:39:34,144 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:39:34,145 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-06 22:39:34,145 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:39:34,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:39:34,146 INFO L82 PathProgramCache]: Analyzing trace with hash -1614171392, now seen corresponding path program 1 times [2020-11-06 22:39:34,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:39:34,147 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528789143] [2020-11-06 22:39:34,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:39:34,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:34,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:39:34,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:34,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:39:34,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:34,493 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:39:34,494 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528789143] [2020-11-06 22:39:34,495 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:39:34,495 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-06 22:39:34,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343237008] [2020-11-06 22:39:34,498 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-06 22:39:34,498 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:39:34,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-06 22:39:34,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-06 22:39:34,503 INFO L87 Difference]: Start difference. First operand 299 states and 431 transitions. Second operand 7 states. [2020-11-06 22:39:36,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:39:36,315 INFO L93 Difference]: Finished difference Result 910 states and 1353 transitions. [2020-11-06 22:39:36,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-06 22:39:36,317 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 144 [2020-11-06 22:39:36,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:39:36,324 INFO L225 Difference]: With dead ends: 910 [2020-11-06 22:39:36,325 INFO L226 Difference]: Without dead ends: 617 [2020-11-06 22:39:36,327 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-11-06 22:39:36,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2020-11-06 22:39:36,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 597. [2020-11-06 22:39:36,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 597 states. [2020-11-06 22:39:36,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 783 transitions. [2020-11-06 22:39:36,381 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 783 transitions. Word has length 144 [2020-11-06 22:39:36,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:39:36,382 INFO L481 AbstractCegarLoop]: Abstraction has 597 states and 783 transitions. [2020-11-06 22:39:36,382 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-06 22:39:36,382 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 783 transitions. [2020-11-06 22:39:36,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-11-06 22:39:36,386 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:39:36,388 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:39:36,389 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-06 22:39:36,389 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:39:36,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:39:36,390 INFO L82 PathProgramCache]: Analyzing trace with hash -556375992, now seen corresponding path program 1 times [2020-11-06 22:39:36,390 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:39:36,391 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030754834] [2020-11-06 22:39:36,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:39:36,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:36,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:39:36,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:36,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:39:36,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:36,807 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 61 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:39:36,808 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030754834] [2020-11-06 22:39:36,809 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [951237813] [2020-11-06 22:39:36,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:39:36,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:36,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:39:36,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:39:37,211 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:39:37,211 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-06 22:39:37,214 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2020-11-06 22:39:37,215 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046904788] [2020-11-06 22:39:37,215 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-06 22:39:37,216 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:39:37,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-06 22:39:37,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-11-06 22:39:37,220 INFO L87 Difference]: Start difference. First operand 597 states and 783 transitions. Second operand 3 states. [2020-11-06 22:39:38,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:39:38,093 INFO L93 Difference]: Finished difference Result 1037 states and 1408 transitions. [2020-11-06 22:39:38,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-06 22:39:38,094 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 149 [2020-11-06 22:39:38,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:39:38,111 INFO L225 Difference]: With dead ends: 1037 [2020-11-06 22:39:38,111 INFO L226 Difference]: Without dead ends: 1034 [2020-11-06 22:39:38,113 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-11-06 22:39:38,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1034 states. [2020-11-06 22:39:38,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1034 to 746. [2020-11-06 22:39:38,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 746 states. [2020-11-06 22:39:38,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 746 states and 1023 transitions. [2020-11-06 22:39:38,207 INFO L78 Accepts]: Start accepts. Automaton has 746 states and 1023 transitions. Word has length 149 [2020-11-06 22:39:38,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:39:38,210 INFO L481 AbstractCegarLoop]: Abstraction has 746 states and 1023 transitions. [2020-11-06 22:39:38,210 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-06 22:39:38,210 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 1023 transitions. [2020-11-06 22:39:38,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-11-06 22:39:38,225 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:39:38,225 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:39:38,438 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-11-06 22:39:38,439 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:39:38,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:39:38,439 INFO L82 PathProgramCache]: Analyzing trace with hash 833291936, now seen corresponding path program 1 times [2020-11-06 22:39:38,440 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:39:38,440 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925138523] [2020-11-06 22:39:38,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:39:38,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:38,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:39:38,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:38,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:39:38,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:38,852 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:39:38,853 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925138523] [2020-11-06 22:39:38,853 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:39:38,853 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-06 22:39:38,854 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254467497] [2020-11-06 22:39:38,854 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-06 22:39:38,855 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:39:38,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-06 22:39:38,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-06 22:39:38,856 INFO L87 Difference]: Start difference. First operand 746 states and 1023 transitions. Second operand 8 states. [2020-11-06 22:39:40,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:39:40,708 INFO L93 Difference]: Finished difference Result 2108 states and 2999 transitions. [2020-11-06 22:39:40,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-06 22:39:40,712 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 192 [2020-11-06 22:39:40,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:39:40,722 INFO L225 Difference]: With dead ends: 2108 [2020-11-06 22:39:40,722 INFO L226 Difference]: Without dead ends: 1368 [2020-11-06 22:39:40,724 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-11-06 22:39:40,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1368 states. [2020-11-06 22:39:40,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1368 to 1193. [2020-11-06 22:39:40,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1193 states. [2020-11-06 22:39:40,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1193 states to 1193 states and 1581 transitions. [2020-11-06 22:39:40,829 INFO L78 Accepts]: Start accepts. Automaton has 1193 states and 1581 transitions. Word has length 192 [2020-11-06 22:39:40,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:39:40,830 INFO L481 AbstractCegarLoop]: Abstraction has 1193 states and 1581 transitions. [2020-11-06 22:39:40,830 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-06 22:39:40,830 INFO L276 IsEmpty]: Start isEmpty. Operand 1193 states and 1581 transitions. [2020-11-06 22:39:40,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-11-06 22:39:40,835 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:39:40,835 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:39:40,836 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-06 22:39:40,836 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:39:40,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:39:40,837 INFO L82 PathProgramCache]: Analyzing trace with hash 1541705492, now seen corresponding path program 1 times [2020-11-06 22:39:40,837 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:39:40,838 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287237848] [2020-11-06 22:39:40,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:39:40,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:41,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:39:41,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:41,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:39:41,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:41,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-11-06 22:39:41,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:41,261 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 200 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-06 22:39:41,261 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287237848] [2020-11-06 22:39:41,262 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [812341228] [2020-11-06 22:39:41,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:39:41,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:41,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:39:41,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:39:41,545 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 201 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:39:41,546 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:39:41,546 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2020-11-06 22:39:41,546 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398525085] [2020-11-06 22:39:41,547 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-06 22:39:41,547 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:39:41,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-06 22:39:41,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-11-06 22:39:41,549 INFO L87 Difference]: Start difference. First operand 1193 states and 1581 transitions. Second operand 11 states. [2020-11-06 22:39:44,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:39:44,853 INFO L93 Difference]: Finished difference Result 3004 states and 4048 transitions. [2020-11-06 22:39:44,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-11-06 22:39:44,855 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 231 [2020-11-06 22:39:44,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:39:44,871 INFO L225 Difference]: With dead ends: 3004 [2020-11-06 22:39:44,872 INFO L226 Difference]: Without dead ends: 1223 [2020-11-06 22:39:44,881 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=173, Invalid=477, Unknown=0, NotChecked=0, Total=650 [2020-11-06 22:39:44,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1223 states. [2020-11-06 22:39:44,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1223 to 1046. [2020-11-06 22:39:44,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1046 states. [2020-11-06 22:39:44,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1046 states to 1046 states and 1305 transitions. [2020-11-06 22:39:44,946 INFO L78 Accepts]: Start accepts. Automaton has 1046 states and 1305 transitions. Word has length 231 [2020-11-06 22:39:44,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:39:44,950 INFO L481 AbstractCegarLoop]: Abstraction has 1046 states and 1305 transitions. [2020-11-06 22:39:44,950 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-06 22:39:44,951 INFO L276 IsEmpty]: Start isEmpty. Operand 1046 states and 1305 transitions. [2020-11-06 22:39:44,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2020-11-06 22:39:44,955 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:39:44,956 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:39:45,169 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:39:45,170 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:39:45,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:39:45,171 INFO L82 PathProgramCache]: Analyzing trace with hash 845274804, now seen corresponding path program 1 times [2020-11-06 22:39:45,172 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:39:45,172 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526751453] [2020-11-06 22:39:45,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:39:45,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:45,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:39:45,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:45,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:39:45,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:45,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-11-06 22:39:45,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:45,560 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 191 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-06 22:39:45,560 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526751453] [2020-11-06 22:39:45,561 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [863666657] [2020-11-06 22:39:45,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:39:45,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:45,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:39:45,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:39:45,800 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 192 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:39:45,800 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:39:45,801 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-11-06 22:39:45,801 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614117497] [2020-11-06 22:39:45,802 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-06 22:39:45,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:39:45,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-06 22:39:45,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-11-06 22:39:45,804 INFO L87 Difference]: Start difference. First operand 1046 states and 1305 transitions. Second operand 10 states. [2020-11-06 22:39:48,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:39:48,804 INFO L93 Difference]: Finished difference Result 2986 states and 3766 transitions. [2020-11-06 22:39:48,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-11-06 22:39:48,809 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 238 [2020-11-06 22:39:48,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:39:48,819 INFO L225 Difference]: With dead ends: 2986 [2020-11-06 22:39:48,819 INFO L226 Difference]: Without dead ends: 1654 [2020-11-06 22:39:48,824 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=150, Invalid=450, Unknown=0, NotChecked=0, Total=600 [2020-11-06 22:39:48,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1654 states. [2020-11-06 22:39:48,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1654 to 1487. [2020-11-06 22:39:48,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1487 states. [2020-11-06 22:39:48,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1487 states to 1487 states and 1796 transitions. [2020-11-06 22:39:48,880 INFO L78 Accepts]: Start accepts. Automaton has 1487 states and 1796 transitions. Word has length 238 [2020-11-06 22:39:48,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:39:48,880 INFO L481 AbstractCegarLoop]: Abstraction has 1487 states and 1796 transitions. [2020-11-06 22:39:48,880 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-06 22:39:48,881 INFO L276 IsEmpty]: Start isEmpty. Operand 1487 states and 1796 transitions. [2020-11-06 22:39:48,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2020-11-06 22:39:48,887 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:39:48,888 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:39:49,102 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:39:49,103 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:39:49,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:39:49,105 INFO L82 PathProgramCache]: Analyzing trace with hash 1094997712, now seen corresponding path program 1 times [2020-11-06 22:39:49,105 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:39:49,106 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920970164] [2020-11-06 22:39:49,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:39:49,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:49,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:39:49,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:49,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:39:49,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:49,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-11-06 22:39:49,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:49,572 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 124 proven. 72 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-06 22:39:49,573 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920970164] [2020-11-06 22:39:49,573 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1331848110] [2020-11-06 22:39:49,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:39:49,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:39:49,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:39:49,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:39:49,793 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2020-11-06 22:39:49,794 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-06 22:39:49,794 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2020-11-06 22:39:49,794 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827400199] [2020-11-06 22:39:49,795 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-06 22:39:49,795 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:39:49,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-06 22:39:49,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-11-06 22:39:49,796 INFO L87 Difference]: Start difference. First operand 1487 states and 1796 transitions. Second operand 3 states. [2020-11-06 22:39:50,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:39:50,412 INFO L93 Difference]: Finished difference Result 1487 states and 1796 transitions. [2020-11-06 22:39:50,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-06 22:39:50,413 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 266 [2020-11-06 22:39:50,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:39:50,414 INFO L225 Difference]: With dead ends: 1487 [2020-11-06 22:39:50,414 INFO L226 Difference]: Without dead ends: 0 [2020-11-06 22:39:50,418 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 269 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-11-06 22:39:50,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-06 22:39:50,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-06 22:39:50,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-06 22:39:50,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-06 22:39:50,419 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 266 [2020-11-06 22:39:50,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:39:50,419 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-06 22:39:50,419 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-06 22:39:50,419 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-06 22:39:50,419 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-06 22:39:50,632 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:39:50,637 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-06 22:39:51,290 WARN L194 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 31 [2020-11-06 22:39:51,747 WARN L194 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 42 [2020-11-06 22:39:52,330 WARN L194 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 38 [2020-11-06 22:39:52,844 WARN L194 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 42 [2020-11-06 22:39:52,850 INFO L266 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-11-06 22:39:52,850 INFO L269 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-11-06 22:39:52,851 INFO L266 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-11-06 22:39:52,851 INFO L266 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-11-06 22:39:52,851 INFO L266 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:39:52,854 INFO L262 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~inputB~0 |old(~inputB~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~a4~0 |old(~a4~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a10~0 |old(~a10~0)|)) [2020-11-06 22:39:52,854 INFO L266 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:39:52,855 INFO L266 CegarLoopResult]: For program point L531(lines 531 574) no Hoare annotation was computed. [2020-11-06 22:39:52,855 INFO L266 CegarLoopResult]: For program point L432(lines 432 574) no Hoare annotation was computed. [2020-11-06 22:39:52,856 INFO L266 CegarLoopResult]: For program point L267(lines 267 574) no Hoare annotation was computed. [2020-11-06 22:39:52,856 INFO L266 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-11-06 22:39:52,856 INFO L266 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-11-06 22:39:52,857 INFO L266 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-11-06 22:39:52,857 INFO L266 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-11-06 22:39:52,857 INFO L266 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-11-06 22:39:52,857 INFO L266 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-11-06 22:39:52,857 INFO L266 CegarLoopResult]: For program point L565(lines 565 574) no Hoare annotation was computed. [2020-11-06 22:39:52,857 INFO L266 CegarLoopResult]: For program point L400(lines 400 574) no Hoare annotation was computed. [2020-11-06 22:39:52,857 INFO L266 CegarLoopResult]: For program point L367(lines 367 574) no Hoare annotation was computed. [2020-11-06 22:39:52,857 INFO L266 CegarLoopResult]: For program point L467(lines 467 574) no Hoare annotation was computed. [2020-11-06 22:39:52,857 INFO L266 CegarLoopResult]: For program point L203-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:52,858 INFO L266 CegarLoopResult]: For program point L170-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:52,858 INFO L266 CegarLoopResult]: For program point L137-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:52,858 INFO L266 CegarLoopResult]: For program point L104-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:52,858 INFO L266 CegarLoopResult]: For program point L71-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:52,862 INFO L266 CegarLoopResult]: For program point L38-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:52,863 INFO L266 CegarLoopResult]: For program point L501(lines 501 574) no Hoare annotation was computed. [2020-11-06 22:39:52,863 INFO L266 CegarLoopResult]: For program point L303(lines 303 574) no Hoare annotation was computed. [2020-11-06 22:39:52,863 INFO L266 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-11-06 22:39:52,863 INFO L266 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-11-06 22:39:52,863 INFO L266 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-11-06 22:39:52,863 INFO L266 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-11-06 22:39:52,863 INFO L266 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-11-06 22:39:52,863 INFO L266 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-11-06 22:39:52,863 INFO L266 CegarLoopResult]: For program point L337(lines 337 574) no Hoare annotation was computed. [2020-11-06 22:39:52,864 INFO L266 CegarLoopResult]: For program point L238(lines 238 574) no Hoare annotation was computed. [2020-11-06 22:39:52,864 INFO L266 CegarLoopResult]: For program point L536(lines 536 574) no Hoare annotation was computed. [2020-11-06 22:39:52,864 INFO L266 CegarLoopResult]: For program point L173-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:52,864 INFO L266 CegarLoopResult]: For program point L140-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:52,864 INFO L266 CegarLoopResult]: For program point L107-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:52,864 INFO L266 CegarLoopResult]: For program point L74-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:52,864 INFO L266 CegarLoopResult]: For program point L41-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:52,864 INFO L266 CegarLoopResult]: For program point L438(lines 438 574) no Hoare annotation was computed. [2020-11-06 22:39:52,864 INFO L266 CegarLoopResult]: For program point L405(lines 405 574) no Hoare annotation was computed. [2020-11-06 22:39:52,864 INFO L266 CegarLoopResult]: For program point L372(lines 372 574) no Hoare annotation was computed. [2020-11-06 22:39:52,865 INFO L266 CegarLoopResult]: For program point L273(lines 273 574) no Hoare annotation was computed. [2020-11-06 22:39:52,865 INFO L266 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-11-06 22:39:52,865 INFO L266 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-11-06 22:39:52,865 INFO L266 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-11-06 22:39:52,866 INFO L266 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-11-06 22:39:52,866 INFO L266 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-11-06 22:39:52,866 INFO L266 CegarLoopResult]: For program point L571(lines 571 574) no Hoare annotation was computed. [2020-11-06 22:39:52,866 INFO L266 CegarLoopResult]: For program point L241(lines 241 574) no Hoare annotation was computed. [2020-11-06 22:39:52,866 INFO L266 CegarLoopResult]: For program point L506(lines 506 574) no Hoare annotation was computed. [2020-11-06 22:39:52,866 INFO L266 CegarLoopResult]: For program point L473(lines 473 574) no Hoare annotation was computed. [2020-11-06 22:39:52,866 INFO L266 CegarLoopResult]: For program point L308(lines 308 574) no Hoare annotation was computed. [2020-11-06 22:39:52,866 INFO L266 CegarLoopResult]: For program point L176-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:52,866 INFO L266 CegarLoopResult]: For program point L143-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:52,867 INFO L266 CegarLoopResult]: For program point L110-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:52,867 INFO L266 CegarLoopResult]: For program point L77-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:52,867 INFO L266 CegarLoopResult]: For program point L44-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:52,867 INFO L266 CegarLoopResult]: For program point L342(lines 342 574) no Hoare annotation was computed. [2020-11-06 22:39:52,870 INFO L266 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-11-06 22:39:52,870 INFO L266 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-11-06 22:39:52,870 INFO L266 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-11-06 22:39:52,870 INFO L266 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-11-06 22:39:52,871 INFO L266 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-11-06 22:39:52,871 INFO L266 CegarLoopResult]: For program point L542(lines 542 574) no Hoare annotation was computed. [2020-11-06 22:39:52,871 INFO L266 CegarLoopResult]: For program point L410(lines 410 574) no Hoare annotation was computed. [2020-11-06 22:39:52,871 INFO L266 CegarLoopResult]: For program point L377(lines 377 574) no Hoare annotation was computed. [2020-11-06 22:39:52,871 INFO L266 CegarLoopResult]: For program point L212(lines 212 574) no Hoare annotation was computed. [2020-11-06 22:39:52,871 INFO L266 CegarLoopResult]: For program point L179-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:52,871 INFO L266 CegarLoopResult]: For program point L146-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:52,871 INFO L266 CegarLoopResult]: For program point L113-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:52,871 INFO L266 CegarLoopResult]: For program point L80-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:52,872 INFO L266 CegarLoopResult]: For program point L47-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:52,872 INFO L266 CegarLoopResult]: For program point L444(lines 444 574) no Hoare annotation was computed. [2020-11-06 22:39:52,872 INFO L266 CegarLoopResult]: For program point L279(lines 279 574) no Hoare annotation was computed. [2020-11-06 22:39:52,872 INFO L266 CegarLoopResult]: For program point L246(lines 246 574) no Hoare annotation was computed. [2020-11-06 22:39:52,872 INFO L266 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-11-06 22:39:52,872 INFO L266 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-11-06 22:39:52,872 INFO L266 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-11-06 22:39:52,872 INFO L266 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-11-06 22:39:52,874 INFO L266 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-11-06 22:39:52,874 INFO L266 CegarLoopResult]: For program point L511(lines 511 574) no Hoare annotation was computed. [2020-11-06 22:39:52,874 INFO L266 CegarLoopResult]: For program point L478(lines 478 574) no Hoare annotation was computed. [2020-11-06 22:39:52,874 INFO L266 CegarLoopResult]: For program point L380(lines 380 574) no Hoare annotation was computed. [2020-11-06 22:39:52,874 INFO L266 CegarLoopResult]: For program point L347(lines 347 574) no Hoare annotation was computed. [2020-11-06 22:39:52,875 INFO L266 CegarLoopResult]: For program point L314(lines 314 574) no Hoare annotation was computed. [2020-11-06 22:39:52,875 INFO L266 CegarLoopResult]: For program point L182-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:52,875 INFO L266 CegarLoopResult]: For program point L149-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:52,875 INFO L266 CegarLoopResult]: For program point L116-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:52,875 INFO L266 CegarLoopResult]: For program point L83-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:52,875 INFO L266 CegarLoopResult]: For program point L50-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:52,875 INFO L266 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-11-06 22:39:52,875 INFO L266 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-11-06 22:39:52,875 INFO L266 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-11-06 22:39:52,876 INFO L266 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-11-06 22:39:52,876 INFO L266 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-11-06 22:39:52,877 INFO L266 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:52,877 INFO L266 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:52,877 INFO L266 CegarLoopResult]: For program point L547(lines 547 574) no Hoare annotation was computed. [2020-11-06 22:39:52,877 INFO L266 CegarLoopResult]: For program point L217(lines 217 574) no Hoare annotation was computed. [2020-11-06 22:39:52,877 INFO L266 CegarLoopResult]: For program point L416(lines 416 574) no Hoare annotation was computed. [2020-11-06 22:39:52,877 INFO L266 CegarLoopResult]: For program point L251(lines 251 574) no Hoare annotation was computed. [2020-11-06 22:39:52,877 INFO L266 CegarLoopResult]: For program point L185-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:52,877 INFO L266 CegarLoopResult]: For program point L152-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:52,877 INFO L266 CegarLoopResult]: For program point L119-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:52,878 INFO L266 CegarLoopResult]: For program point L86-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:52,878 INFO L266 CegarLoopResult]: For program point L53-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:52,878 INFO L266 CegarLoopResult]: For program point L516(lines 516 574) no Hoare annotation was computed. [2020-11-06 22:39:52,878 INFO L266 CegarLoopResult]: For program point L483(lines 483 574) no Hoare annotation was computed. [2020-11-06 22:39:52,878 INFO L266 CegarLoopResult]: For program point L450(lines 450 574) no Hoare annotation was computed. [2020-11-06 22:39:52,878 INFO L266 CegarLoopResult]: For program point L285(lines 285 574) no Hoare annotation was computed. [2020-11-06 22:39:52,878 INFO L266 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-11-06 22:39:52,878 INFO L266 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-11-06 22:39:52,878 INFO L266 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-11-06 22:39:52,878 INFO L266 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-11-06 22:39:52,879 INFO L266 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-11-06 22:39:52,879 INFO L266 CegarLoopResult]: For program point L550(lines 550 574) no Hoare annotation was computed. [2020-11-06 22:39:52,879 INFO L266 CegarLoopResult]: For program point L385(lines 385 574) no Hoare annotation was computed. [2020-11-06 22:39:52,879 INFO L266 CegarLoopResult]: For program point L319(lines 319 574) no Hoare annotation was computed. [2020-11-06 22:39:52,879 INFO L266 CegarLoopResult]: For program point L353(lines 353 574) no Hoare annotation was computed. [2020-11-06 22:39:52,879 INFO L266 CegarLoopResult]: For program point L188-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:52,879 INFO L266 CegarLoopResult]: For program point L155-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:52,879 INFO L266 CegarLoopResult]: For program point L122-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:52,879 INFO L266 CegarLoopResult]: For program point L89-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:52,879 INFO L266 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-11-06 22:39:52,880 INFO L266 CegarLoopResult]: For program point L56-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:52,880 INFO L266 CegarLoopResult]: For program point L23-2(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:52,880 INFO L266 CegarLoopResult]: For program point L519(lines 519 574) no Hoare annotation was computed. [2020-11-06 22:39:52,880 INFO L266 CegarLoopResult]: For program point L288(lines 288 574) no Hoare annotation was computed. [2020-11-06 22:39:52,880 INFO L266 CegarLoopResult]: For program point L222(lines 222 574) no Hoare annotation was computed. [2020-11-06 22:39:52,880 INFO L266 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-11-06 22:39:52,880 INFO L266 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-11-06 22:39:52,880 INFO L266 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-11-06 22:39:52,880 INFO L266 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-11-06 22:39:52,880 INFO L266 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-11-06 22:39:52,880 INFO L266 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-11-06 22:39:52,881 INFO L266 CegarLoopResult]: For program point L421(lines 421 574) no Hoare annotation was computed. [2020-11-06 22:39:52,881 INFO L266 CegarLoopResult]: For program point L322(lines 322 574) no Hoare annotation was computed. [2020-11-06 22:39:52,881 INFO L266 CegarLoopResult]: For program point L256(lines 256 574) no Hoare annotation was computed. [2020-11-06 22:39:52,881 INFO L266 CegarLoopResult]: For program point L356(lines 356 574) no Hoare annotation was computed. [2020-11-06 22:39:52,881 INFO L266 CegarLoopResult]: For program point L191-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:52,881 INFO L266 CegarLoopResult]: For program point L158-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:52,881 INFO L266 CegarLoopResult]: For program point L125-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:52,881 INFO L266 CegarLoopResult]: For program point L92-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:52,881 INFO L266 CegarLoopResult]: For program point L59-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:52,881 INFO L266 CegarLoopResult]: For program point L26-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:52,882 INFO L266 CegarLoopResult]: For program point L489(lines 489 574) no Hoare annotation was computed. [2020-11-06 22:39:52,882 INFO L262 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 576) the Hoare annotation is: (let ((.cse0 (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|))) (.cse3 (not (<= |old(~a19~0)| 9))) (.cse1 (not (= 14 ~a4~0))) (.cse2 (not (= ~a12~0 0)))) (and (or .cse0 (not (<= |old(~a10~0)| 2)) .cse1 .cse2) (or .cse0 (not (<= |old(~a1~0)| 23)) .cse3 .cse1 .cse2) (or .cse0 .cse1 (not (<= |old(~a19~0)| 6)) .cse2) (or .cse0 (not (<= 8 |old(~a19~0)|)) .cse3 .cse1 .cse2))) [2020-11-06 22:39:52,882 INFO L266 CegarLoopResult]: For program point L456(lines 456 574) no Hoare annotation was computed. [2020-11-06 22:39:52,882 INFO L266 CegarLoopResult]: For program point L390(lines 390 574) no Hoare annotation was computed. [2020-11-06 22:39:52,882 INFO L266 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-11-06 22:39:52,882 INFO L266 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-11-06 22:39:52,882 INFO L266 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-11-06 22:39:52,882 INFO L266 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-11-06 22:39:52,883 INFO L266 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-11-06 22:39:52,883 INFO L266 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-11-06 22:39:52,883 INFO L266 CegarLoopResult]: For program point L556(lines 556 574) no Hoare annotation was computed. [2020-11-06 22:39:52,883 INFO L266 CegarLoopResult]: For program point L325(lines 325 574) no Hoare annotation was computed. [2020-11-06 22:39:52,883 INFO L266 CegarLoopResult]: For program point L359(lines 359 574) no Hoare annotation was computed. [2020-11-06 22:39:52,883 INFO L266 CegarLoopResult]: For program point L293(lines 293 574) no Hoare annotation was computed. [2020-11-06 22:39:52,883 INFO L266 CegarLoopResult]: For program point L227(lines 227 574) no Hoare annotation was computed. [2020-11-06 22:39:52,883 INFO L266 CegarLoopResult]: For program point L194-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:52,883 INFO L266 CegarLoopResult]: For program point L161-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:52,884 INFO L266 CegarLoopResult]: For program point L128-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:52,884 INFO L266 CegarLoopResult]: For program point L95-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:52,884 INFO L266 CegarLoopResult]: For program point L62-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:52,884 INFO L266 CegarLoopResult]: For program point L29-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:52,884 INFO L266 CegarLoopResult]: For program point L525(lines 525 574) no Hoare annotation was computed. [2020-11-06 22:39:52,884 INFO L262 CegarLoopResult]: At program point L195(line 195) the Hoare annotation is: (let ((.cse0 (not (<= |old(~a19~0)| 9))) (.cse1 (not (= 14 ~a4~0))) (.cse2 (not (= ~a12~0 0)))) (and (or (not (<= |old(~a1~0)| 23)) .cse0 .cse1 .cse2) (or (not (<= |old(~a10~0)| 2)) .cse1 .cse2) (or .cse1 (not (<= |old(~a19~0)| 6)) .cse2) (or (not (<= 8 |old(~a19~0)|)) .cse0 .cse1 .cse2))) [2020-11-06 22:39:52,884 INFO L266 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-11-06 22:39:52,884 INFO L266 CegarLoopResult]: For program point L195-1(line 195) no Hoare annotation was computed. [2020-11-06 22:39:52,885 INFO L266 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-11-06 22:39:52,885 INFO L266 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-11-06 22:39:52,885 INFO L266 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-11-06 22:39:52,885 INFO L266 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-11-06 22:39:52,885 INFO L266 CegarLoopResult]: For program point L559(lines 559 574) no Hoare annotation was computed. [2020-11-06 22:39:52,885 INFO L266 CegarLoopResult]: For program point L427(lines 427 574) no Hoare annotation was computed. [2020-11-06 22:39:52,885 INFO L266 CegarLoopResult]: For program point L328(lines 328 574) no Hoare annotation was computed. [2020-11-06 22:39:52,885 INFO L266 CegarLoopResult]: For program point L262(lines 262 574) no Hoare annotation was computed. [2020-11-06 22:39:52,885 INFO L266 CegarLoopResult]: For program point L395(lines 395 574) no Hoare annotation was computed. [2020-11-06 22:39:52,885 INFO L266 CegarLoopResult]: For program point L362(lines 362 574) no Hoare annotation was computed. [2020-11-06 22:39:52,886 INFO L266 CegarLoopResult]: For program point L197-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:52,886 INFO L266 CegarLoopResult]: For program point L164-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:52,886 INFO L266 CegarLoopResult]: For program point L131-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:52,886 INFO L266 CegarLoopResult]: For program point L98-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:52,886 INFO L266 CegarLoopResult]: For program point L65-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:52,886 INFO L266 CegarLoopResult]: For program point L32-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:52,886 INFO L266 CegarLoopResult]: For program point L528(lines 528 574) no Hoare annotation was computed. [2020-11-06 22:39:52,886 INFO L266 CegarLoopResult]: For program point L495(lines 495 574) no Hoare annotation was computed. [2020-11-06 22:39:52,886 INFO L266 CegarLoopResult]: For program point L462(lines 462 574) no Hoare annotation was computed. [2020-11-06 22:39:52,886 INFO L266 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-11-06 22:39:52,887 INFO L266 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-11-06 22:39:52,887 INFO L266 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-11-06 22:39:52,887 INFO L266 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-11-06 22:39:52,887 INFO L266 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-11-06 22:39:52,887 INFO L266 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-11-06 22:39:52,887 INFO L266 CegarLoopResult]: For program point L331(lines 331 574) no Hoare annotation was computed. [2020-11-06 22:39:52,887 INFO L266 CegarLoopResult]: For program point L298(lines 298 574) no Hoare annotation was computed. [2020-11-06 22:39:52,887 INFO L266 CegarLoopResult]: For program point L233(lines 233 574) no Hoare annotation was computed. [2020-11-06 22:39:52,887 INFO L266 CegarLoopResult]: For program point L200-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:52,888 INFO L266 CegarLoopResult]: For program point L167-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:52,888 INFO L266 CegarLoopResult]: For program point L134-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:52,888 INFO L266 CegarLoopResult]: For program point L101-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:52,888 INFO L266 CegarLoopResult]: For program point L68-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:52,888 INFO L266 CegarLoopResult]: For program point L35-1(lines 22 576) no Hoare annotation was computed. [2020-11-06 22:39:52,888 INFO L266 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:39:52,888 INFO L262 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 8 ~a19~0) (= 14 ~a4~0) (= ~a10~0 0) (= ~a12~0 0) (<= ~a19~0 9) (<= ~a1~0 23)) [2020-11-06 22:39:52,888 INFO L269 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-11-06 22:39:52,888 INFO L266 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:39:52,889 INFO L262 CegarLoopResult]: At program point mainENTRY(lines 578 594) the Hoare annotation is: (or (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (<= 8 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a19~0)| 9)) (not (= 14 ~a4~0)) (not (= 0 |old(~a10~0)|)) (not (= ~a12~0 0))) [2020-11-06 22:39:52,889 INFO L266 CegarLoopResult]: For program point mainEXIT(lines 578 594) no Hoare annotation was computed. [2020-11-06 22:39:52,889 INFO L262 CegarLoopResult]: At program point L592(line 592) the Hoare annotation is: (let ((.cse1 (<= ~a19~0 9)) (.cse0 (<= 9 |old(~a19~0)|))) (or (and .cse0 .cse1 (<= ~a1~0 23)) (and .cse0 (<= ~a19~0 6)) (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (<= |old(~a1~0)| 23)) (not (<= 8 |old(~a19~0)|)) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (not (= 0 |old(~a10~0)|)) (and .cse0 (<= 8 ~a19~0) .cse1) (and .cse0 (<= ~a10~0 2)) (not (= ~a12~0 0)))) [2020-11-06 22:39:52,889 INFO L266 CegarLoopResult]: For program point L592-1(line 592) no Hoare annotation was computed. [2020-11-06 22:39:52,889 INFO L266 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-11-06 22:39:52,889 INFO L262 CegarLoopResult]: At program point L584-2(lines 584 593) the Hoare annotation is: (let ((.cse1 (<= ~a19~0 9)) (.cse0 (<= 9 |old(~a19~0)|))) (or (and .cse0 .cse1 (<= ~a1~0 23)) (and .cse0 (<= ~a19~0 6)) (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (<= |old(~a1~0)| 23)) (not (<= 8 |old(~a19~0)|)) (not (= 14 ~a4~0)) (not (<= |old(~a19~0)| 9)) (not (= 0 |old(~a10~0)|)) (and .cse0 (<= 8 ~a19~0) .cse1) (and .cse0 (<= ~a10~0 2)) (not (= ~a12~0 0)))) [2020-11-06 22:39:52,890 INFO L266 CegarLoopResult]: For program point L584-3(lines 578 594) no Hoare annotation was computed. [2020-11-06 22:39:52,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:39:52 BoogieIcfgContainer [2020-11-06 22:39:52,920 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-06 22:39:52,925 INFO L168 Benchmark]: Toolchain (without parser) took 24219.64 ms. Allocated memory was 158.3 MB in the beginning and 429.9 MB in the end (delta: 271.6 MB). Free memory was 137.7 MB in the beginning and 230.0 MB in the end (delta: -92.3 MB). Peak memory consumption was 259.7 MB. Max. memory is 8.0 GB. [2020-11-06 22:39:52,926 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 158.3 MB. Free memory is still 129.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-06 22:39:52,927 INFO L168 Benchmark]: CACSL2BoogieTranslator took 870.31 ms. Allocated memory is still 158.3 MB. Free memory was 137.1 MB in the beginning and 131.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. [2020-11-06 22:39:52,927 INFO L168 Benchmark]: Boogie Preprocessor took 132.35 ms. Allocated memory is still 158.3 MB. Free memory was 131.4 MB in the beginning and 126.8 MB in the end (delta: 4.6 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-11-06 22:39:52,928 INFO L168 Benchmark]: RCFGBuilder took 1483.42 ms. Allocated memory was 158.3 MB in the beginning and 190.8 MB in the end (delta: 32.5 MB). Free memory was 126.8 MB in the beginning and 103.8 MB in the end (delta: 23.0 MB). Peak memory consumption was 55.8 MB. Max. memory is 8.0 GB. [2020-11-06 22:39:52,935 INFO L168 Benchmark]: TraceAbstraction took 21717.68 ms. Allocated memory was 190.8 MB in the beginning and 429.9 MB in the end (delta: 239.1 MB). Free memory was 103.3 MB in the beginning and 230.0 MB in the end (delta: -126.7 MB). Peak memory consumption was 192.6 MB. Max. memory is 8.0 GB. [2020-11-06 22:39:52,944 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 158.3 MB. Free memory is still 129.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 870.31 ms. Allocated memory is still 158.3 MB. Free memory was 137.1 MB in the beginning and 131.4 MB in the end (delta: 5.7 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 132.35 ms. Allocated memory is still 158.3 MB. Free memory was 131.4 MB in the beginning and 126.8 MB in the end (delta: 4.6 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1483.42 ms. Allocated memory was 158.3 MB in the beginning and 190.8 MB in the end (delta: 32.5 MB). Free memory was 126.8 MB in the beginning and 103.8 MB in the end (delta: 23.0 MB). Peak memory consumption was 55.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 21717.68 ms. Allocated memory was 190.8 MB in the beginning and 429.9 MB in the end (delta: 239.1 MB). Free memory was 103.3 MB in the beginning and 230.0 MB in the end (delta: -126.7 MB). Peak memory consumption was 192.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 584]: Loop Invariant Derived loop invariant: (((((((((((9 <= \old(a19) && a19 <= 9) && a1 <= 23) || (9 <= \old(a19) && a19 <= 6)) || ((a1 == \old(a1) && a19 == \old(a19)) && a10 == \old(a10))) || !(\old(a1) <= 23)) || !(8 <= \old(a19))) || !(14 == a4)) || !(\old(a19) <= 9)) || !(0 == \old(a10))) || ((9 <= \old(a19) && 8 <= a19) && a19 <= 9)) || (9 <= \old(a19) && a10 <= 2)) || !(a12 == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 219 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 19.3s, OverallIterations: 7, TraceHistogramMax: 3, AutomataDifference: 13.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 391 SDtfs, 3146 SDslu, 282 SDs, 0 SdLazy, 6266 SolverSat, 1223 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 999 GetRequests, 913 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 253 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1487occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 7 MinimizatonAttempts, 831 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 91 PreInvPairs, 123 NumberOfFragments, 417 HoareAnnotationTreeSize, 91 FomulaSimplifications, 38568 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 9 FomulaSimplificationsInter, 4384 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 2174 NumberOfCodeBlocks, 2174 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2163 ConstructedInterpolants, 0 QuantifiedInterpolants, 1216928 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1813 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 11 InterpolantComputations, 5 PerfectInterpolantSequences, 1363/1444 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...