/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/Problem02_label00.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-06 22:35:24,986 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-06 22:35:24,989 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-06 22:35:25,038 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-06 22:35:25,039 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-06 22:35:25,043 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-06 22:35:25,046 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-06 22:35:25,053 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-06 22:35:25,057 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-06 22:35:25,062 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-06 22:35:25,064 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-06 22:35:25,065 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-06 22:35:25,065 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-06 22:35:25,068 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-06 22:35:25,070 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-06 22:35:25,072 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-06 22:35:25,073 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-06 22:35:25,076 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-06 22:35:25,083 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-06 22:35:25,113 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-06 22:35:25,117 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-06 22:35:25,119 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-06 22:35:25,128 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-06 22:35:25,135 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-06 22:35:25,143 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-06 22:35:25,143 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-06 22:35:25,143 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-06 22:35:25,150 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-06 22:35:25,150 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-06 22:35:25,151 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-06 22:35:25,151 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-06 22:35:25,152 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-06 22:35:25,154 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-06 22:35:25,155 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-06 22:35:25,156 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-06 22:35:25,156 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-06 22:35:25,157 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-06 22:35:25,157 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-06 22:35:25,158 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-06 22:35:25,159 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-06 22:35:25,159 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-06 22:35:25,160 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 22:35:25,218 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-06 22:35:25,218 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-06 22:35:25,222 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-06 22:35:25,222 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-06 22:35:25,222 INFO L138 SettingsManager]: * Use SBE=true [2020-11-06 22:35:25,223 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-06 22:35:25,223 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-06 22:35:25,223 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-06 22:35:25,223 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-06 22:35:25,224 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-06 22:35:25,224 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-06 22:35:25,225 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-06 22:35:25,225 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-06 22:35:25,225 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-06 22:35:25,225 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-06 22:35:25,225 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-06 22:35:25,226 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-06 22:35:25,226 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-06 22:35:25,226 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-06 22:35:25,226 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-06 22:35:25,226 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-06 22:35:25,227 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 22:35:25,227 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-06 22:35:25,227 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-06 22:35:25,227 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-06 22:35:25,227 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-06 22:35:25,228 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-06 22:35:25,228 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-06 22:35:25,228 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-06 22:35:25,228 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-06 22:35:25,655 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-06 22:35:25,679 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-06 22:35:25,682 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-06 22:35:25,683 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-06 22:35:25,684 INFO L275 PluginConnector]: CDTParser initialized [2020-11-06 22:35:25,685 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label00.c [2020-11-06 22:35:25,759 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d560a98f5/3e5c7662d3094965b60b0aaf51bba70e/FLAGdfe2ef9b7 [2020-11-06 22:35:26,459 INFO L306 CDTParser]: Found 1 translation units. [2020-11-06 22:35:26,459 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label00.c [2020-11-06 22:35:26,473 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d560a98f5/3e5c7662d3094965b60b0aaf51bba70e/FLAGdfe2ef9b7 [2020-11-06 22:35:26,666 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d560a98f5/3e5c7662d3094965b60b0aaf51bba70e [2020-11-06 22:35:26,671 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-06 22:35:26,679 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-06 22:35:26,684 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-06 22:35:26,684 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-06 22:35:26,689 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-06 22:35:26,690 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:35:26" (1/1) ... [2020-11-06 22:35:26,694 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14f84cdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:26, skipping insertion in model container [2020-11-06 22:35:26,694 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:35:26" (1/1) ... [2020-11-06 22:35:26,703 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-06 22:35:26,776 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-06 22:35:27,266 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:35:27,277 INFO L203 MainTranslator]: Completed pre-run [2020-11-06 22:35:27,464 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:35:27,482 INFO L208 MainTranslator]: Completed translation [2020-11-06 22:35:27,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:27 WrapperNode [2020-11-06 22:35:27,482 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-06 22:35:27,484 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-06 22:35:27,484 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-06 22:35:27,484 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-06 22:35:27,497 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:27" (1/1) ... [2020-11-06 22:35:27,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:27" (1/1) ... [2020-11-06 22:35:27,518 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:27" (1/1) ... [2020-11-06 22:35:27,519 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:27" (1/1) ... [2020-11-06 22:35:27,563 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:27" (1/1) ... [2020-11-06 22:35:27,591 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:27" (1/1) ... [2020-11-06 22:35:27,599 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:27" (1/1) ... [2020-11-06 22:35:27,609 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-06 22:35:27,611 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-06 22:35:27,611 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-06 22:35:27,611 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-06 22:35:27,613 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:27" (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 22:35:27,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-06 22:35:27,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-06 22:35:27,700 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-06 22:35:27,700 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-11-06 22:35:27,701 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-06 22:35:27,701 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-11-06 22:35:27,702 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-06 22:35:27,702 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-06 22:35:27,702 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-06 22:35:27,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-06 22:35:27,703 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-06 22:35:27,703 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-11-06 22:35:27,703 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-06 22:35:27,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-06 22:35:27,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-06 22:35:27,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-06 22:35:27,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-06 22:35:27,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-06 22:35:27,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-06 22:35:28,999 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-06 22:35:28,999 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-11-06 22:35:29,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:35:29 BoogieIcfgContainer [2020-11-06 22:35:29,001 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-06 22:35:29,003 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-06 22:35:29,003 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-06 22:35:29,007 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-06 22:35:29,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:35:26" (1/3) ... [2020-11-06 22:35:29,008 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d2c04e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:35:29, skipping insertion in model container [2020-11-06 22:35:29,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:35:27" (2/3) ... [2020-11-06 22:35:29,008 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d2c04e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:35:29, skipping insertion in model container [2020-11-06 22:35:29,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:35:29" (3/3) ... [2020-11-06 22:35:29,010 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label00.c [2020-11-06 22:35:29,024 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-06 22:35:29,028 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-06 22:35:29,040 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-06 22:35:29,067 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-06 22:35:29,068 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-06 22:35:29,068 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-06 22:35:29,068 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-06 22:35:29,068 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-06 22:35:29,068 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-06 22:35:29,068 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-06 22:35:29,068 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-06 22:35:29,091 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states. [2020-11-06 22:35:29,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-11-06 22:35:29,104 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:35:29,105 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:35:29,106 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:35:29,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:35:29,112 INFO L82 PathProgramCache]: Analyzing trace with hash 1366350701, now seen corresponding path program 1 times [2020-11-06 22:35:29,122 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:35:29,123 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589123774] [2020-11-06 22:35:29,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:35:29,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:29,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:35:29,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:29,778 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 22:35:29,779 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589123774] [2020-11-06 22:35:29,779 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:35:29,780 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-06 22:35:29,780 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123368362] [2020-11-06 22:35:29,786 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-06 22:35:29,786 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:35:29,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-06 22:35:29,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-06 22:35:29,804 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 4 states. [2020-11-06 22:35:31,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:35:31,619 INFO L93 Difference]: Finished difference Result 667 states and 1119 transitions. [2020-11-06 22:35:31,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-06 22:35:31,621 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 122 [2020-11-06 22:35:31,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:35:31,647 INFO L225 Difference]: With dead ends: 667 [2020-11-06 22:35:31,647 INFO L226 Difference]: Without dead ends: 342 [2020-11-06 22:35:31,659 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 22:35:31,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2020-11-06 22:35:31,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 338. [2020-11-06 22:35:31,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2020-11-06 22:35:31,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 489 transitions. [2020-11-06 22:35:31,746 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 489 transitions. Word has length 122 [2020-11-06 22:35:31,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:35:31,747 INFO L481 AbstractCegarLoop]: Abstraction has 338 states and 489 transitions. [2020-11-06 22:35:31,747 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-06 22:35:31,748 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 489 transitions. [2020-11-06 22:35:31,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2020-11-06 22:35:31,753 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:35:31,753 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:35:31,753 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-06 22:35:31,754 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:35:31,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:35:31,755 INFO L82 PathProgramCache]: Analyzing trace with hash -812606303, now seen corresponding path program 1 times [2020-11-06 22:35:31,755 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:35:31,755 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329999114] [2020-11-06 22:35:31,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:35:31,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:32,025 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-11-06 22:35:32,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:35:32,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:32,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:35:32,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:32,146 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:35:32,147 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329999114] [2020-11-06 22:35:32,147 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:35:32,147 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-06 22:35:32,147 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644127943] [2020-11-06 22:35:32,149 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-06 22:35:32,149 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:35:32,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-06 22:35:32,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-06 22:35:32,151 INFO L87 Difference]: Start difference. First operand 338 states and 489 transitions. Second operand 7 states. [2020-11-06 22:35:32,682 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-11-06 22:35:34,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:35:34,121 INFO L93 Difference]: Finished difference Result 991 states and 1464 transitions. [2020-11-06 22:35:34,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-06 22:35:34,122 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 130 [2020-11-06 22:35:34,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:35:34,127 INFO L225 Difference]: With dead ends: 991 [2020-11-06 22:35:34,127 INFO L226 Difference]: Without dead ends: 659 [2020-11-06 22:35:34,129 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-11-06 22:35:34,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2020-11-06 22:35:34,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 643. [2020-11-06 22:35:34,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 643 states. [2020-11-06 22:35:34,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 882 transitions. [2020-11-06 22:35:34,179 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 882 transitions. Word has length 130 [2020-11-06 22:35:34,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:35:34,179 INFO L481 AbstractCegarLoop]: Abstraction has 643 states and 882 transitions. [2020-11-06 22:35:34,180 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-06 22:35:34,180 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 882 transitions. [2020-11-06 22:35:34,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-11-06 22:35:34,186 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:35:34,187 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:35:34,187 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-06 22:35:34,187 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:35:34,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:35:34,188 INFO L82 PathProgramCache]: Analyzing trace with hash 356448053, now seen corresponding path program 1 times [2020-11-06 22:35:34,188 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:35:34,188 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951842295] [2020-11-06 22:35:34,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:35:34,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:34,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:35:34,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:34,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:35:34,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:34,472 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:35:34,472 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951842295] [2020-11-06 22:35:34,473 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:35:34,473 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-06 22:35:34,473 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505876431] [2020-11-06 22:35:34,474 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-06 22:35:34,474 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:35:34,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-06 22:35:34,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-06 22:35:34,475 INFO L87 Difference]: Start difference. First operand 643 states and 882 transitions. Second operand 7 states. [2020-11-06 22:35:36,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:35:36,779 INFO L93 Difference]: Finished difference Result 1925 states and 2783 transitions. [2020-11-06 22:35:36,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-06 22:35:36,781 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 136 [2020-11-06 22:35:36,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:35:36,801 INFO L225 Difference]: With dead ends: 1925 [2020-11-06 22:35:36,801 INFO L226 Difference]: Without dead ends: 1288 [2020-11-06 22:35:36,804 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-11-06 22:35:36,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1288 states. [2020-11-06 22:35:36,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1288 to 1256. [2020-11-06 22:35:36,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1256 states. [2020-11-06 22:35:36,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 1256 states and 1689 transitions. [2020-11-06 22:35:36,916 INFO L78 Accepts]: Start accepts. Automaton has 1256 states and 1689 transitions. Word has length 136 [2020-11-06 22:35:36,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:35:36,916 INFO L481 AbstractCegarLoop]: Abstraction has 1256 states and 1689 transitions. [2020-11-06 22:35:36,916 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-06 22:35:36,917 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 1689 transitions. [2020-11-06 22:35:36,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-11-06 22:35:36,931 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:35:36,932 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:35:36,932 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-06 22:35:36,932 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:35:36,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:35:36,934 INFO L82 PathProgramCache]: Analyzing trace with hash -1392202414, now seen corresponding path program 1 times [2020-11-06 22:35:36,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:35:36,934 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348044580] [2020-11-06 22:35:36,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:35:36,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:37,185 WARN L194 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-11-06 22:35:37,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:35:37,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:37,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:35:37,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:37,333 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:35:37,334 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348044580] [2020-11-06 22:35:37,334 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:35:37,335 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-06 22:35:37,335 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613573169] [2020-11-06 22:35:37,338 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-06 22:35:37,338 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:35:37,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-06 22:35:37,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-06 22:35:37,349 INFO L87 Difference]: Start difference. First operand 1256 states and 1689 transitions. Second operand 8 states. [2020-11-06 22:35:37,495 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-11-06 22:35:37,746 WARN L194 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-11-06 22:35:40,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:35:40,625 INFO L93 Difference]: Finished difference Result 4330 states and 5975 transitions. [2020-11-06 22:35:40,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-06 22:35:40,625 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 150 [2020-11-06 22:35:40,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:35:40,644 INFO L225 Difference]: With dead ends: 4330 [2020-11-06 22:35:40,644 INFO L226 Difference]: Without dead ends: 3080 [2020-11-06 22:35:40,649 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-11-06 22:35:40,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3080 states. [2020-11-06 22:35:40,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3080 to 3054. [2020-11-06 22:35:40,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3054 states. [2020-11-06 22:35:40,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3054 states to 3054 states and 3779 transitions. [2020-11-06 22:35:40,767 INFO L78 Accepts]: Start accepts. Automaton has 3054 states and 3779 transitions. Word has length 150 [2020-11-06 22:35:40,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:35:40,767 INFO L481 AbstractCegarLoop]: Abstraction has 3054 states and 3779 transitions. [2020-11-06 22:35:40,767 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-06 22:35:40,767 INFO L276 IsEmpty]: Start isEmpty. Operand 3054 states and 3779 transitions. [2020-11-06 22:35:40,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-11-06 22:35:40,776 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:35:40,776 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:35:40,776 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-06 22:35:40,777 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:35:40,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:35:40,777 INFO L82 PathProgramCache]: Analyzing trace with hash -1401729372, now seen corresponding path program 1 times [2020-11-06 22:35:40,778 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:35:40,778 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643002709] [2020-11-06 22:35:40,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:35:40,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:40,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:35:40,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:40,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:35:40,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:40,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-11-06 22:35:40,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:40,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-11-06 22:35:40,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:41,044 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-06 22:35:41,045 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643002709] [2020-11-06 22:35:41,045 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [979720212] [2020-11-06 22:35:41,045 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 22:35:41,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:41,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 516 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:35:41,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:35:41,346 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 45 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-06 22:35:41,347 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:35:41,347 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-11-06 22:35:41,348 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111516091] [2020-11-06 22:35:41,348 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-06 22:35:41,349 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:35:41,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-06 22:35:41,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-11-06 22:35:41,350 INFO L87 Difference]: Start difference. First operand 3054 states and 3779 transitions. Second operand 10 states. [2020-11-06 22:35:42,714 WARN L194 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2020-11-06 22:35:43,641 WARN L194 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2020-11-06 22:35:45,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:35:45,162 INFO L93 Difference]: Finished difference Result 7613 states and 9776 transitions. [2020-11-06 22:35:45,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-11-06 22:35:45,163 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 155 [2020-11-06 22:35:45,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:35:45,190 INFO L225 Difference]: With dead ends: 7613 [2020-11-06 22:35:45,190 INFO L226 Difference]: Without dead ends: 4565 [2020-11-06 22:35:45,201 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=101, Invalid=279, Unknown=0, NotChecked=0, Total=380 [2020-11-06 22:35:45,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4565 states. [2020-11-06 22:35:45,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4565 to 4545. [2020-11-06 22:35:45,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4545 states. [2020-11-06 22:35:45,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4545 states to 4545 states and 5617 transitions. [2020-11-06 22:35:45,375 INFO L78 Accepts]: Start accepts. Automaton has 4545 states and 5617 transitions. Word has length 155 [2020-11-06 22:35:45,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:35:45,375 INFO L481 AbstractCegarLoop]: Abstraction has 4545 states and 5617 transitions. [2020-11-06 22:35:45,375 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-06 22:35:45,376 INFO L276 IsEmpty]: Start isEmpty. Operand 4545 states and 5617 transitions. [2020-11-06 22:35:45,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-11-06 22:35:45,389 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:35:45,389 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:35:45,602 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:35:45,603 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:35:45,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:35:45,603 INFO L82 PathProgramCache]: Analyzing trace with hash -692000235, now seen corresponding path program 1 times [2020-11-06 22:35:45,604 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:35:45,605 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875096788] [2020-11-06 22:35:45,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:35:45,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:45,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:35:45,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:45,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:35:45,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:45,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-11-06 22:35:45,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:46,053 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-11-06 22:35:46,053 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875096788] [2020-11-06 22:35:46,054 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [617387240] [2020-11-06 22:35:46,054 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 22:35:46,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:46,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:35:46,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:35:46,279 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-06 22:35:46,280 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-06 22:35:46,280 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2020-11-06 22:35:46,281 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990005816] [2020-11-06 22:35:46,281 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-06 22:35:46,281 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:35:46,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-06 22:35:46,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-11-06 22:35:46,284 INFO L87 Difference]: Start difference. First operand 4545 states and 5617 transitions. Second operand 3 states. [2020-11-06 22:35:47,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:35:47,051 INFO L93 Difference]: Finished difference Result 8936 states and 11048 transitions. [2020-11-06 22:35:47,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-06 22:35:47,052 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 157 [2020-11-06 22:35:47,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:35:47,077 INFO L225 Difference]: With dead ends: 8936 [2020-11-06 22:35:47,078 INFO L226 Difference]: Without dead ends: 4397 [2020-11-06 22:35:47,091 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-11-06 22:35:47,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4397 states. [2020-11-06 22:35:47,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4397 to 4109. [2020-11-06 22:35:47,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4109 states. [2020-11-06 22:35:47,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4109 states to 4109 states and 4783 transitions. [2020-11-06 22:35:47,252 INFO L78 Accepts]: Start accepts. Automaton has 4109 states and 4783 transitions. Word has length 157 [2020-11-06 22:35:47,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:35:47,252 INFO L481 AbstractCegarLoop]: Abstraction has 4109 states and 4783 transitions. [2020-11-06 22:35:47,252 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-06 22:35:47,253 INFO L276 IsEmpty]: Start isEmpty. Operand 4109 states and 4783 transitions. [2020-11-06 22:35:47,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-11-06 22:35:47,264 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:35:47,264 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:35:47,477 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:35:47,478 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:35:47,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:35:47,479 INFO L82 PathProgramCache]: Analyzing trace with hash -1550625542, now seen corresponding path program 1 times [2020-11-06 22:35:47,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:35:47,479 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514655101] [2020-11-06 22:35:47,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:35:47,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:47,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:35:47,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:47,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:35:47,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:47,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-11-06 22:35:47,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:47,715 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 52 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-06 22:35:47,716 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514655101] [2020-11-06 22:35:47,716 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1261634649] [2020-11-06 22:35:47,716 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 22:35:47,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:47,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-06 22:35:47,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:35:47,931 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:35:47,931 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:35:47,931 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 7 [2020-11-06 22:35:47,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375761518] [2020-11-06 22:35:47,932 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-06 22:35:47,932 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:35:47,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-06 22:35:47,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-06 22:35:47,937 INFO L87 Difference]: Start difference. First operand 4109 states and 4783 transitions. Second operand 7 states. [2020-11-06 22:35:48,291 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-11-06 22:35:50,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:35:50,652 INFO L93 Difference]: Finished difference Result 10202 states and 12028 transitions. [2020-11-06 22:35:50,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-06 22:35:50,657 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 170 [2020-11-06 22:35:50,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:35:50,689 INFO L225 Difference]: With dead ends: 10202 [2020-11-06 22:35:50,690 INFO L226 Difference]: Without dead ends: 5631 [2020-11-06 22:35:50,706 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-11-06 22:35:50,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5631 states. [2020-11-06 22:35:50,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5631 to 5470. [2020-11-06 22:35:50,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5470 states. [2020-11-06 22:35:50,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5470 states to 5470 states and 6255 transitions. [2020-11-06 22:35:50,885 INFO L78 Accepts]: Start accepts. Automaton has 5470 states and 6255 transitions. Word has length 170 [2020-11-06 22:35:50,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:35:50,886 INFO L481 AbstractCegarLoop]: Abstraction has 5470 states and 6255 transitions. [2020-11-06 22:35:50,886 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-06 22:35:50,886 INFO L276 IsEmpty]: Start isEmpty. Operand 5470 states and 6255 transitions. [2020-11-06 22:35:50,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2020-11-06 22:35:50,901 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:35:50,904 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:35:51,118 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:35:51,119 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:35:51,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:35:51,119 INFO L82 PathProgramCache]: Analyzing trace with hash 414854661, now seen corresponding path program 1 times [2020-11-06 22:35:51,120 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:35:51,120 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754631811] [2020-11-06 22:35:51,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:35:51,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:51,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:35:51,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:51,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-11-06 22:35:51,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:51,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-11-06 22:35:51,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:51,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-11-06 22:35:51,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:51,445 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 77 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-11-06 22:35:51,445 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754631811] [2020-11-06 22:35:51,446 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [150438801] [2020-11-06 22:35:51,446 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 22:35:51,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:35:51,584 INFO L263 TraceCheckSpWp]: Trace formula consists of 548 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-06 22:35:51,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-06 22:35:51,682 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 82 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-11-06 22:35:51,682 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-06 22:35:51,683 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 12 [2020-11-06 22:35:51,683 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539405990] [2020-11-06 22:35:51,688 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-11-06 22:35:51,688 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:35:51,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-11-06 22:35:51,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2020-11-06 22:35:51,690 INFO L87 Difference]: Start difference. First operand 5470 states and 6255 transitions. Second operand 12 states. [2020-11-06 22:35:52,035 WARN L194 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2020-11-06 22:35:52,620 WARN L194 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-11-06 22:35:52,868 WARN L194 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2020-11-06 22:35:53,998 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-11-06 22:35:57,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:35:57,648 INFO L93 Difference]: Finished difference Result 9373 states and 10692 transitions. [2020-11-06 22:35:57,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-11-06 22:35:57,648 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 178 [2020-11-06 22:35:57,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:35:57,649 INFO L225 Difference]: With dead ends: 9373 [2020-11-06 22:35:57,649 INFO L226 Difference]: Without dead ends: 0 [2020-11-06 22:35:57,666 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 253 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=242, Invalid=880, Unknown=0, NotChecked=0, Total=1122 [2020-11-06 22:35:57,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-06 22:35:57,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-06 22:35:57,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-06 22:35:57,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-06 22:35:57,668 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 178 [2020-11-06 22:35:57,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:35:57,668 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-06 22:35:57,668 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-11-06 22:35:57,669 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-06 22:35:57,669 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-06 22:35:57,882 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-06 22:35:57,887 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-06 22:35:58,422 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 136 [2020-11-06 22:35:58,628 WARN L194 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 29 [2020-11-06 22:36:00,495 WARN L194 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 172 DAG size of output: 73 [2020-11-06 22:36:01,293 WARN L194 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 60 [2020-11-06 22:36:02,035 WARN L194 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 60 [2020-11-06 22:36:02,495 WARN L194 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 51 [2020-11-06 22:36:02,500 INFO L266 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-11-06 22:36:02,500 INFO L269 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-11-06 22:36:02,501 INFO L266 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-11-06 22:36:02,501 INFO L266 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-11-06 22:36:02,501 INFO L266 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:36:02,501 INFO L262 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a28~0 |old(~a28~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~f~0 |old(~f~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a11~0 |old(~a11~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~y~0 |old(~y~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a17~0 |old(~a17~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~z~0 |old(~z~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|)) [2020-11-06 22:36:02,502 INFO L266 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:36:02,502 INFO L266 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-11-06 22:36:02,502 INFO L266 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-11-06 22:36:02,502 INFO L266 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-11-06 22:36:02,502 INFO L266 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-11-06 22:36:02,502 INFO L266 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-11-06 22:36:02,502 INFO L266 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-11-06 22:36:02,502 INFO L266 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-11-06 22:36:02,503 INFO L266 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-11-06 22:36:02,503 INFO L266 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-11-06 22:36:02,503 INFO L266 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-11-06 22:36:02,503 INFO L266 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-11-06 22:36:02,503 INFO L266 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-11-06 22:36:02,503 INFO L266 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-11-06 22:36:02,503 INFO L266 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-11-06 22:36:02,503 INFO L266 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-11-06 22:36:02,503 INFO L266 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:02,503 INFO L266 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:02,504 INFO L266 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:02,504 INFO L266 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:02,504 INFO L266 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:02,504 INFO L266 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-11-06 22:36:02,504 INFO L266 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-11-06 22:36:02,504 INFO L266 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-11-06 22:36:02,504 INFO L266 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-11-06 22:36:02,504 INFO L266 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-11-06 22:36:02,505 INFO L266 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-11-06 22:36:02,505 INFO L266 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-11-06 22:36:02,505 INFO L266 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-11-06 22:36:02,505 INFO L266 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-11-06 22:36:02,505 INFO L266 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-11-06 22:36:02,505 INFO L266 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-11-06 22:36:02,505 INFO L266 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-11-06 22:36:02,505 INFO L266 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-11-06 22:36:02,505 INFO L266 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:02,505 INFO L266 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:02,505 INFO L266 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:02,506 INFO L266 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:02,506 INFO L266 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-11-06 22:36:02,506 INFO L266 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:02,506 INFO L266 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-11-06 22:36:02,506 INFO L266 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-11-06 22:36:02,506 INFO L266 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-11-06 22:36:02,506 INFO L266 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-11-06 22:36:02,506 INFO L266 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-11-06 22:36:02,506 INFO L266 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-11-06 22:36:02,506 INFO L266 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-11-06 22:36:02,506 INFO L266 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-11-06 22:36:02,507 INFO L266 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-11-06 22:36:02,507 INFO L266 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-11-06 22:36:02,507 INFO L266 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-11-06 22:36:02,507 INFO L266 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-11-06 22:36:02,507 INFO L266 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-11-06 22:36:02,507 INFO L266 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-11-06 22:36:02,507 INFO L266 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-11-06 22:36:02,507 INFO L266 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:02,507 INFO L266 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:02,508 INFO L266 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:02,508 INFO L266 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:02,508 INFO L266 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:02,508 INFO L266 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-11-06 22:36:02,508 INFO L266 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-11-06 22:36:02,508 INFO L266 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-11-06 22:36:02,508 INFO L266 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-11-06 22:36:02,508 INFO L266 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-11-06 22:36:02,508 INFO L266 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-11-06 22:36:02,508 INFO L266 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-11-06 22:36:02,509 INFO L266 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-11-06 22:36:02,509 INFO L266 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-11-06 22:36:02,509 INFO L266 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-11-06 22:36:02,509 INFO L266 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-11-06 22:36:02,509 INFO L266 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:02,509 INFO L266 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:02,509 INFO L266 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:02,509 INFO L266 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:02,509 INFO L266 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:02,509 INFO L266 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-11-06 22:36:02,510 INFO L266 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-11-06 22:36:02,510 INFO L266 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-11-06 22:36:02,510 INFO L266 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-11-06 22:36:02,510 INFO L266 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-11-06 22:36:02,510 INFO L266 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-11-06 22:36:02,510 INFO L266 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-11-06 22:36:02,510 INFO L266 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-11-06 22:36:02,510 INFO L266 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-11-06 22:36:02,510 INFO L266 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-11-06 22:36:02,511 INFO L266 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-11-06 22:36:02,511 INFO L266 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-11-06 22:36:02,511 INFO L266 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-11-06 22:36:02,511 INFO L266 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:02,511 INFO L266 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:02,511 INFO L266 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:02,511 INFO L266 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:02,511 INFO L266 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:02,511 INFO L266 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-11-06 22:36:02,511 INFO L266 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-11-06 22:36:02,512 INFO L266 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-11-06 22:36:02,512 INFO L266 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-11-06 22:36:02,512 INFO L266 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-11-06 22:36:02,512 INFO L266 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-11-06 22:36:02,512 INFO L266 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-11-06 22:36:02,512 INFO L266 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-11-06 22:36:02,512 INFO L266 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-11-06 22:36:02,512 INFO L266 CegarLoopResult]: For program point calculate_outputFINAL(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:02,512 INFO L266 CegarLoopResult]: For program point calculate_outputEXIT(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:02,512 INFO L266 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-11-06 22:36:02,513 INFO L266 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-11-06 22:36:02,513 INFO L266 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-11-06 22:36:02,513 INFO L266 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-11-06 22:36:02,513 INFO L266 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-11-06 22:36:02,513 INFO L266 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-11-06 22:36:02,513 INFO L266 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-11-06 22:36:02,513 INFO L266 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:02,513 INFO L266 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:02,513 INFO L266 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:02,513 INFO L266 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:02,513 INFO L266 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-11-06 22:36:02,513 INFO L266 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:02,514 INFO L266 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-11-06 22:36:02,514 INFO L266 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:02,514 INFO L266 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-11-06 22:36:02,514 INFO L266 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-11-06 22:36:02,514 INFO L266 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-11-06 22:36:02,514 INFO L266 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-11-06 22:36:02,514 INFO L266 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-11-06 22:36:02,514 INFO L266 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-11-06 22:36:02,514 INFO L266 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-11-06 22:36:02,514 INFO L266 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-11-06 22:36:02,514 INFO L266 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-11-06 22:36:02,514 INFO L266 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-11-06 22:36:02,514 INFO L266 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-11-06 22:36:02,515 INFO L266 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-11-06 22:36:02,515 INFO L266 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-11-06 22:36:02,515 INFO L266 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-11-06 22:36:02,515 INFO L266 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:02,515 INFO L266 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:02,515 INFO L266 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:02,515 INFO L266 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:02,515 INFO L266 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:02,515 INFO L266 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:02,515 INFO L266 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-11-06 22:36:02,515 INFO L266 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-11-06 22:36:02,515 INFO L266 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-11-06 22:36:02,516 INFO L262 CegarLoopResult]: At program point L519(line 519) the Hoare annotation is: (let ((.cse8 (not (= 9 |old(~a28~0)|))) (.cse9 (= |old(~a17~0)| |old(~a28~0)|)) (.cse10 (not (= |old(~a11~0)| |old(~a25~0)|))) (.cse4 (not (<= |old(~a28~0)| 7))) (.cse2 (not (<= |old(~a17~0)| 7))) (.cse0 (not (= |old(~a19~0)| 1))) (.cse3 (not (<= 10 |old(~a28~0)|))) (.cse5 (not (= |old(~a25~0)| 1))) (.cse6 (not (= 0 |old(~a11~0)|))) (.cse1 (= 11 |old(~a28~0)|)) (.cse7 (not (= 8 |old(~a17~0)|))) (.cse11 (not (<= |old(~a19~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse6) (or .cse5 .cse0 .cse6 .cse7) (or .cse5 .cse0 .cse8 .cse9 .cse10) (or .cse5 .cse8 .cse11 .cse9 .cse10) (or .cse0 .cse7 .cse8) (or .cse1 .cse2 .cse3 .cse11) (or .cse4 .cse0 .cse6 .cse9 .cse10) (or .cse7 (not (<= |old(~a28~0)| 9)) .cse11) (or .cse4 .cse5 .cse0 .cse7) (or .cse4 .cse5 .cse0 .cse2) (or .cse0 .cse1 .cse7 .cse3) (or .cse5 .cse6 .cse1 .cse7 .cse11))) [2020-11-06 22:36:02,516 INFO L266 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-11-06 22:36:02,516 INFO L266 CegarLoopResult]: For program point L519-1(line 519) no Hoare annotation was computed. [2020-11-06 22:36:02,516 INFO L266 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-11-06 22:36:02,516 INFO L266 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-11-06 22:36:02,516 INFO L266 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-11-06 22:36:02,516 INFO L266 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-11-06 22:36:02,516 INFO L266 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-11-06 22:36:02,516 INFO L266 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-11-06 22:36:02,516 INFO L266 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:02,516 INFO L266 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:02,517 INFO L266 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:02,517 INFO L266 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:02,517 INFO L266 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:02,517 INFO L266 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:02,517 INFO L266 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-11-06 22:36:02,517 INFO L266 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-11-06 22:36:02,517 INFO L266 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-11-06 22:36:02,517 INFO L266 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-11-06 22:36:02,517 INFO L266 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-11-06 22:36:02,517 INFO L266 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-11-06 22:36:02,517 INFO L266 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-11-06 22:36:02,518 INFO L262 CegarLoopResult]: At program point calculate_outputENTRY(lines 31 600) the Hoare annotation is: (let ((.cse18 (= ~a25~0 |old(~a25~0)|)) (.cse5 (= ~a19~0 |old(~a19~0)|)) (.cse1 (= ~a28~0 |old(~a28~0)|)) (.cse2 (= ~a17~0 |old(~a17~0)|)) (.cse3 (= ~a11~0 |old(~a11~0)|)) (.cse12 (= ~a19~0 1)) (.cse4 (= ~a25~0 1))) (let ((.cse11 (= ~a25~0 ~a11~0)) (.cse15 (= |old(~a17~0)| |old(~a28~0)|)) (.cse16 (not (= |old(~a11~0)| |old(~a25~0)|))) (.cse6 (not (= 0 |old(~a11~0)|))) (.cse14 (not (= 9 |old(~a28~0)|))) (.cse13 (= ~a28~0 9)) (.cse8 (not (= 8 |old(~a17~0)|))) (.cse17 (not (<= |old(~a28~0)| 7))) (.cse0 (not (= |old(~a25~0)| 1))) (.cse19 (and .cse1 .cse2 .cse3 .cse12 .cse4)) (.cse22 (and .cse1 .cse2 .cse3 .cse18 .cse5)) (.cse9 (not (<= |old(~a19~0)| 0))) (.cse10 (not (= |old(~a19~0)| 1))) (.cse7 (= 11 |old(~a28~0)|)) (.cse23 (not (<= |old(~a17~0)| 7))) (.cse20 (not (<= 10 |old(~a28~0)|))) (.cse21 (and .cse1 .cse2 .cse3 .cse12 .cse18))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4 .cse5) .cse6 .cse7 .cse8 .cse9) (or .cse0 .cse10 (and .cse11 .cse2 .cse12 .cse4 .cse13) .cse14 .cse15 .cse16) (or .cse0 .cse14 .cse9 .cse15 (and .cse11 .cse2 .cse4 .cse13 .cse5) .cse16) (or .cse17 .cse10 .cse6 (and .cse1 .cse11 .cse2 .cse12 .cse18) .cse15 .cse16) (or .cse17 .cse0 .cse10 .cse6 .cse19) (or .cse10 .cse7 .cse8 .cse20 .cse21) (or .cse17 .cse0 .cse10 .cse8 .cse19) (or .cse0 .cse10 .cse6 .cse8 .cse19) (or .cse10 .cse8 .cse14 (and .cse2 .cse3 .cse12 .cse18 .cse13)) (or .cse22 .cse8 (not (<= |old(~a28~0)| 9)) .cse9) (or .cse17 .cse0 .cse10 .cse23 .cse19) (or .cse22 .cse7 .cse23 .cse20 .cse9) (or .cse10 .cse7 .cse23 .cse20 .cse21)))) [2020-11-06 22:36:02,518 INFO L266 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-11-06 22:36:02,518 INFO L266 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-11-06 22:36:02,518 INFO L266 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-11-06 22:36:02,518 INFO L266 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-11-06 22:36:02,518 INFO L266 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-11-06 22:36:02,518 INFO L266 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-11-06 22:36:02,518 INFO L266 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-11-06 22:36:02,518 INFO L266 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:02,519 INFO L266 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:02,519 INFO L266 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:02,519 INFO L266 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:02,519 INFO L266 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:02,519 INFO L266 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:02,519 INFO L266 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-11-06 22:36:02,519 INFO L266 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-11-06 22:36:02,519 INFO L266 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-11-06 22:36:02,519 INFO L266 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-11-06 22:36:02,519 INFO L266 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-11-06 22:36:02,519 INFO L266 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-11-06 22:36:02,519 INFO L266 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-11-06 22:36:02,519 INFO L266 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-11-06 22:36:02,519 INFO L266 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-11-06 22:36:02,519 INFO L266 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-11-06 22:36:02,519 INFO L266 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-11-06 22:36:02,520 INFO L266 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-11-06 22:36:02,520 INFO L266 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-11-06 22:36:02,520 INFO L266 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:02,520 INFO L266 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:02,520 INFO L266 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:02,520 INFO L266 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:02,520 INFO L266 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:02,520 INFO L266 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:02,520 INFO L266 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-11-06 22:36:02,520 INFO L266 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-11-06 22:36:02,520 INFO L266 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-11-06 22:36:02,520 INFO L266 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-11-06 22:36:02,520 INFO L266 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-11-06 22:36:02,521 INFO L266 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-11-06 22:36:02,521 INFO L266 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-11-06 22:36:02,521 INFO L266 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-11-06 22:36:02,521 INFO L266 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-11-06 22:36:02,521 INFO L266 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-11-06 22:36:02,521 INFO L266 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-11-06 22:36:02,521 INFO L266 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-11-06 22:36:02,521 INFO L266 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-11-06 22:36:02,521 INFO L266 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-11-06 22:36:02,521 INFO L266 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-11-06 22:36:02,521 INFO L266 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-11-06 22:36:02,522 INFO L266 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:02,522 INFO L266 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:02,522 INFO L266 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:02,522 INFO L266 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:02,522 INFO L266 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-11-06 22:36:02,522 INFO L266 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-11-06 22:36:02,522 INFO L266 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-11-06 22:36:02,522 INFO L266 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-11-06 22:36:02,522 INFO L266 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-11-06 22:36:02,522 INFO L266 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:36:02,523 INFO L262 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a28~0 ~a17~0)) (= ~a25~0 ~a11~0) (= ~a19~0 1) (= ~a11~0 0) (<= ~a28~0 7)) [2020-11-06 22:36:02,523 INFO L269 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-11-06 22:36:02,523 INFO L266 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:36:02,523 INFO L262 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (let ((.cse9 (<= ~a19~0 0)) (.cse10 (<= 10 ~a28~0)) (.cse6 (<= ~a17~0 7)) (.cse11 (not (= ~a28~0 11))) (.cse7 (not (= ~a28~0 ~a17~0))) (.cse8 (= ~a25~0 ~a11~0)) (.cse2 (= ~a28~0 9)) (.cse0 (= ~a17~0 |old(~a17~0)|)) (.cse3 (= 8 |old(~a17~0)|)) (.cse1 (= ~a19~0 1)) (.cse4 (= ~a25~0 1)) (.cse12 (= ~a11~0 0)) (.cse5 (<= ~a28~0 7))) (or (not (= |old(~a19~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse5 .cse3) (and .cse1 .cse4 .cse5 .cse6 .cse3) (and .cse7 .cse8 .cse9 .cse4 .cse2) (and .cse9 .cse10 .cse6 .cse3 .cse11) (not (<= |old(~a28~0)| 7)) (and .cse0 .cse9 (<= ~a28~0 9) .cse3) (and .cse0 .cse10 .cse1 .cse3 .cse11) (and (= ~a28~0 |old(~a28~0)|) .cse0 (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a19~0 |old(~a19~0)|)) (not (= 0 |old(~a11~0)|)) (and .cse0 .cse9 .cse4 .cse12 .cse3 .cse11) (and .cse10 .cse1 .cse6 .cse3 .cse11) (and .cse7 .cse8 .cse1 .cse4 .cse2) (and .cse0 .cse1 .cse4 .cse12 .cse3) (= |old(~a17~0)| |old(~a28~0)|) (and .cse1 .cse4 .cse12 .cse5) (not (= |old(~a11~0)| |old(~a25~0)|)))) [2020-11-06 22:36:02,523 INFO L262 CegarLoopResult]: At program point mainENTRY(lines 602 619) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (not (= |old(~a19~0)| 1)) (not (= 0 |old(~a11~0)|)) (and (= ~a28~0 |old(~a28~0)|) (= ~a25~0 ~a11~0) (= ~a17~0 |old(~a17~0)|) (= ~a19~0 1) (= ~a25~0 |old(~a25~0)|)) (= |old(~a17~0)| |old(~a28~0)|) (not (= |old(~a11~0)| |old(~a25~0)|))) [2020-11-06 22:36:02,523 INFO L266 CegarLoopResult]: For program point L608-3(lines 602 619) no Hoare annotation was computed. [2020-11-06 22:36:02,523 INFO L266 CegarLoopResult]: For program point mainEXIT(lines 602 619) no Hoare annotation was computed. [2020-11-06 22:36:02,524 INFO L262 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (let ((.cse9 (<= ~a19~0 0)) (.cse10 (<= 10 ~a28~0)) (.cse6 (<= ~a17~0 7)) (.cse11 (not (= ~a28~0 11))) (.cse7 (not (= ~a28~0 ~a17~0))) (.cse8 (= ~a25~0 ~a11~0)) (.cse2 (= ~a28~0 9)) (.cse0 (= ~a17~0 |old(~a17~0)|)) (.cse3 (= 8 |old(~a17~0)|)) (.cse1 (= ~a19~0 1)) (.cse4 (= ~a25~0 1)) (.cse12 (= ~a11~0 0)) (.cse5 (<= ~a28~0 7))) (or (not (= |old(~a19~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse5 .cse3) (and .cse1 .cse4 .cse5 .cse6 .cse3) (and .cse7 .cse8 .cse9 .cse4 .cse2) (and .cse9 .cse10 .cse6 .cse3 .cse11) (not (<= |old(~a28~0)| 7)) (and .cse0 .cse9 (<= ~a28~0 9) .cse3) (and .cse0 .cse10 .cse1 .cse3 .cse11) (and (= ~a28~0 |old(~a28~0)|) .cse0 (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|) (= ~a19~0 |old(~a19~0)|)) (not (= 0 |old(~a11~0)|)) (and .cse0 .cse9 .cse4 .cse12 .cse3 .cse11) (and .cse10 .cse1 .cse6 .cse3 .cse11) (and .cse7 .cse8 .cse1 .cse4 .cse2) (and .cse0 .cse1 .cse4 .cse12 .cse3) (= |old(~a17~0)| |old(~a28~0)|) (and .cse1 .cse4 .cse12 .cse5) (not (= |old(~a11~0)| |old(~a25~0)|)))) [2020-11-06 22:36:02,524 INFO L266 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-11-06 22:36:02,524 INFO L266 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-11-06 22:36:02,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:36:02 BoogieIcfgContainer [2020-11-06 22:36:02,571 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-06 22:36:02,572 INFO L168 Benchmark]: Toolchain (without parser) took 35898.39 ms. Allocated memory was 152.0 MB in the beginning and 609.2 MB in the end (delta: 457.2 MB). Free memory was 105.7 MB in the beginning and 389.1 MB in the end (delta: -283.3 MB). Peak memory consumption was 288.5 MB. Max. memory is 8.0 GB. [2020-11-06 22:36:02,573 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 152.0 MB. Free memory was 124.6 MB in the beginning and 124.4 MB in the end (delta: 119.8 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-11-06 22:36:02,573 INFO L168 Benchmark]: CACSL2BoogieTranslator took 798.82 ms. Allocated memory is still 152.0 MB. Free memory was 105.1 MB in the beginning and 124.8 MB in the end (delta: -19.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 8.0 GB. [2020-11-06 22:36:02,574 INFO L168 Benchmark]: Boogie Preprocessor took 126.11 ms. Allocated memory is still 152.0 MB. Free memory was 124.8 MB in the beginning and 120.2 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-11-06 22:36:02,575 INFO L168 Benchmark]: RCFGBuilder took 1390.80 ms. Allocated memory was 152.0 MB in the beginning and 188.7 MB in the end (delta: 36.7 MB). Free memory was 120.2 MB in the beginning and 159.0 MB in the end (delta: -38.9 MB). Peak memory consumption was 57.6 MB. Max. memory is 8.0 GB. [2020-11-06 22:36:02,581 INFO L168 Benchmark]: TraceAbstraction took 33567.47 ms. Allocated memory was 188.7 MB in the beginning and 609.2 MB in the end (delta: 420.5 MB). Free memory was 158.5 MB in the beginning and 389.1 MB in the end (delta: -230.6 MB). Peak memory consumption was 303.7 MB. Max. memory is 8.0 GB. [2020-11-06 22:36:02,584 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 152.0 MB. Free memory was 124.6 MB in the beginning and 124.4 MB in the end (delta: 119.8 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 798.82 ms. Allocated memory is still 152.0 MB. Free memory was 105.1 MB in the beginning and 124.8 MB in the end (delta: -19.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 126.11 ms. Allocated memory is still 152.0 MB. Free memory was 124.8 MB in the beginning and 120.2 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1390.80 ms. Allocated memory was 152.0 MB in the beginning and 188.7 MB in the end (delta: 36.7 MB). Free memory was 120.2 MB in the beginning and 159.0 MB in the end (delta: -38.9 MB). Peak memory consumption was 57.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 33567.47 ms. Allocated memory was 188.7 MB in the beginning and 609.2 MB in the end (delta: 420.5 MB). Free memory was 158.5 MB in the beginning and 389.1 MB in the end (delta: -230.6 MB). Peak memory consumption was 303.7 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: 608]: Loop Invariant Derived loop invariant: ((((((((((((((((!(\old(a19) == 1) || (((a17 == \old(a17) && a19 == 1) && a28 == 9) && 8 == \old(a17))) || ((((a17 == \old(a17) && a19 == 1) && a25 == 1) && a28 <= 7) && 8 == \old(a17))) || ((((a19 == 1 && a25 == 1) && a28 <= 7) && a17 <= 7) && 8 == \old(a17))) || ((((!(a28 == a17) && a25 == a11) && a19 <= 0) && a25 == 1) && a28 == 9)) || ((((a19 <= 0 && 10 <= a28) && a17 <= 7) && 8 == \old(a17)) && !(a28 == 11))) || !(\old(a28) <= 7)) || (((a17 == \old(a17) && a19 <= 0) && a28 <= 9) && 8 == \old(a17))) || ((((a17 == \old(a17) && 10 <= a28) && a19 == 1) && 8 == \old(a17)) && !(a28 == 11))) || ((((a28 == \old(a28) && a17 == \old(a17)) && a11 == \old(a11)) && a25 == \old(a25)) && a19 == \old(a19))) || !(0 == \old(a11))) || (((((a17 == \old(a17) && a19 <= 0) && a25 == 1) && a11 == 0) && 8 == \old(a17)) && !(a28 == 11))) || ((((10 <= a28 && a19 == 1) && a17 <= 7) && 8 == \old(a17)) && !(a28 == 11))) || ((((!(a28 == a17) && a25 == a11) && a19 == 1) && a25 == 1) && a28 == 9)) || ((((a17 == \old(a17) && a19 == 1) && a25 == 1) && a11 == 0) && 8 == \old(a17))) || \old(a17) == \old(a28)) || (((a19 == 1 && a25 == 1) && a11 == 0) && a28 <= 7)) || !(\old(a11) == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 240 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 28.8s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 22.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 531 SDtfs, 6829 SDslu, 569 SDs, 0 SdLazy, 10100 SolverSat, 1716 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 827 GetRequests, 726 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 366 ImplicationChecksByTransitivity, 4.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5470occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 8 MinimizatonAttempts, 547 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 332 PreInvPairs, 394 NumberOfFragments, 1247 HoareAnnotationTreeSize, 332 FomulaSimplifications, 18989 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 9 FomulaSimplificationsInter, 4722 FormulaSimplificationTreeSizeReductionInter, 3.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 1858 NumberOfCodeBlocks, 1858 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1846 ConstructedInterpolants, 0 QuantifiedInterpolants, 844565 SizeOfPredicates, 3 NumberOfNonLiveVariables, 2038 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 12 InterpolantComputations, 5 PerfectInterpolantSequences, 501/527 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...