/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_label53.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 18:35:21,005 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 18:35:21,010 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 18:35:21,075 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-23 18:35:21,075 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-23 18:35:21,081 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-23 18:35:21,087 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-23 18:35:21,095 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-23 18:35:21,099 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-23 18:35:21,105 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-23 18:35:21,107 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-23 18:35:21,108 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-23 18:35:21,109 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-23 18:35:21,113 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-23 18:35:21,115 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-23 18:35:21,117 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-23 18:35:21,118 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-23 18:35:21,139 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-23 18:35:21,146 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-23 18:35:21,153 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-23 18:35:21,156 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-23 18:35:21,158 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-23 18:35:21,160 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-23 18:35:21,162 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-23 18:35:21,165 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-23 18:35:21,166 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-23 18:35:21,166 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-23 18:35:21,168 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-23 18:35:21,168 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-23 18:35:21,170 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-23 18:35:21,170 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-23 18:35:21,171 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-23 18:35:21,172 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-23 18:35:21,173 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-23 18:35:21,174 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-23 18:35:21,174 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-23 18:35:21,175 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-23 18:35:21,176 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-23 18:35:21,176 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 18:35:21,177 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 18:35:21,178 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 18:35:21,179 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 [2020-10-23 18:35:21,214 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 18:35:21,214 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 18:35:21,220 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-23 18:35:21,220 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-23 18:35:21,221 INFO L138 SettingsManager]: * Use SBE=true [2020-10-23 18:35:21,221 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 18:35:21,221 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 18:35:21,221 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 18:35:21,222 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 18:35:21,222 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 18:35:21,223 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 18:35:21,224 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 18:35:21,224 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 18:35:21,224 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 18:35:21,224 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 18:35:21,224 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 18:35:21,225 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 18:35:21,225 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 18:35:21,225 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-23 18:35:21,226 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 18:35:21,226 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 18:35:21,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 18:35:21,226 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 18:35:21,226 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-23 18:35:21,227 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-23 18:35:21,227 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-23 18:35:21,227 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-23 18:35:21,227 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 18:35:21,228 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-23 18:35:21,228 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-10-23 18:35:21,709 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 18:35:21,748 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 18:35:21,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 18:35:21,754 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 18:35:21,755 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 18:35:21,760 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label53.c [2020-10-23 18:35:21,867 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/149b03cde/9ee168bc535c4efcb205bb843c852c7b/FLAG5d14a7605 [2020-10-23 18:35:22,783 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 18:35:22,784 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label53.c [2020-10-23 18:35:22,798 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/149b03cde/9ee168bc535c4efcb205bb843c852c7b/FLAG5d14a7605 [2020-10-23 18:35:22,963 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/149b03cde/9ee168bc535c4efcb205bb843c852c7b [2020-10-23 18:35:22,967 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 18:35:22,974 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 18:35:22,977 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 18:35:22,977 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 18:35:22,982 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 18:35:22,982 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:35:22" (1/1) ... [2020-10-23 18:35:22,986 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e7185a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:35:22, skipping insertion in model container [2020-10-23 18:35:22,987 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 06:35:22" (1/1) ... [2020-10-23 18:35:22,997 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 18:35:23,055 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 18:35:23,469 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:35:23,483 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 18:35:23,658 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 18:35:23,683 INFO L208 MainTranslator]: Completed translation [2020-10-23 18:35:23,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:35:23 WrapperNode [2020-10-23 18:35:23,684 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 18:35:23,685 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 18:35:23,686 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 18:35:23,686 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 18:35:23,702 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:35:23" (1/1) ... [2020-10-23 18:35:23,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:35:23" (1/1) ... [2020-10-23 18:35:23,726 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:35:23" (1/1) ... [2020-10-23 18:35:23,727 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:35:23" (1/1) ... [2020-10-23 18:35:23,800 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:35:23" (1/1) ... [2020-10-23 18:35:23,830 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:35:23" (1/1) ... [2020-10-23 18:35:23,845 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:35:23" (1/1) ... [2020-10-23 18:35:23,858 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 18:35:23,860 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 18:35:23,862 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 18:35:23,862 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 18:35:23,863 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:35:23" (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 [2020-10-23 18:35:23,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 18:35:23,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 18:35:23,958 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 18:35:23,958 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-23 18:35:23,958 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 18:35:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-23 18:35:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 18:35:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 18:35:23,959 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 18:35:23,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 18:35:23,959 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 18:35:23,959 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-23 18:35:23,959 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 18:35:23,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 18:35:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 18:35:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 18:35:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 18:35:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 18:35:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 18:35:25,532 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 18:35:25,533 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-23 18:35:25,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:35:25 BoogieIcfgContainer [2020-10-23 18:35:25,536 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 18:35:25,538 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 18:35:25,538 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 18:35:25,543 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 18:35:25,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 06:35:22" (1/3) ... [2020-10-23 18:35:25,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e7d9089 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:35:25, skipping insertion in model container [2020-10-23 18:35:25,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 06:35:23" (2/3) ... [2020-10-23 18:35:25,545 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e7d9089 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 06:35:25, skipping insertion in model container [2020-10-23 18:35:25,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 06:35:25" (3/3) ... [2020-10-23 18:35:25,547 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label53.c [2020-10-23 18:35:25,563 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-23 18:35:25,570 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-23 18:35:25,586 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-23 18:35:25,623 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 18:35:25,624 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 18:35:25,624 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-23 18:35:25,624 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 18:35:25,624 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 18:35:25,624 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 18:35:25,624 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 18:35:25,624 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 18:35:25,662 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states. [2020-10-23 18:35:25,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-10-23 18:35:25,694 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:35:25,695 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:35:25,696 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:35:25,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:35:25,704 INFO L82 PathProgramCache]: Analyzing trace with hash -1346906187, now seen corresponding path program 1 times [2020-10-23 18:35:25,715 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:35:25,715 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114489281] [2020-10-23 18:35:25,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:35:26,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:26,643 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-23 18:35:26,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:35:26,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:26,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 18:35:26,789 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114489281] [2020-10-23 18:35:26,790 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 18:35:26,791 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-23 18:35:26,792 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808136481] [2020-10-23 18:35:26,803 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-23 18:35:26,803 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:35:26,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-23 18:35:26,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-23 18:35:26,833 INFO L87 Difference]: Start difference. First operand 240 states. Second operand 5 states. [2020-10-23 18:35:27,041 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-23 18:35:27,330 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-23 18:35:30,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:35:30,579 INFO L93 Difference]: Finished difference Result 789 states and 1384 transitions. [2020-10-23 18:35:30,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-23 18:35:30,582 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 145 [2020-10-23 18:35:30,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:35:30,611 INFO L225 Difference]: With dead ends: 789 [2020-10-23 18:35:30,611 INFO L226 Difference]: Without dead ends: 481 [2020-10-23 18:35:30,628 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-23 18:35:30,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2020-10-23 18:35:30,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 474. [2020-10-23 18:35:30,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 474 states. [2020-10-23 18:35:30,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 641 transitions. [2020-10-23 18:35:30,734 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 641 transitions. Word has length 145 [2020-10-23 18:35:30,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:35:30,736 INFO L481 AbstractCegarLoop]: Abstraction has 474 states and 641 transitions. [2020-10-23 18:35:30,736 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-23 18:35:30,736 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 641 transitions. [2020-10-23 18:35:30,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-23 18:35:30,745 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:35:30,746 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:35:30,746 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 18:35:30,746 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:35:30,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:35:30,747 INFO L82 PathProgramCache]: Analyzing trace with hash -1392909118, now seen corresponding path program 1 times [2020-10-23 18:35:30,748 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:35:30,750 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610436968] [2020-10-23 18:35:30,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:35:30,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:31,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:35:31,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:31,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:35:31,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:31,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-23 18:35:31,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:31,208 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-23 18:35:31,209 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610436968] [2020-10-23 18:35:31,210 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1499855555] [2020-10-23 18:35:31,210 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 [2020-10-23 18:35:31,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:31,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-23 18:35:31,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:35:31,569 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-23 18:35:31,570 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-23 18:35:31,570 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2020-10-23 18:35:31,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494387671] [2020-10-23 18:35:31,578 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 18:35:31,579 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:35:31,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 18:35:31,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-10-23 18:35:31,584 INFO L87 Difference]: Start difference. First operand 474 states and 641 transitions. Second operand 3 states. [2020-10-23 18:35:32,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:35:32,505 INFO L93 Difference]: Finished difference Result 1382 states and 1907 transitions. [2020-10-23 18:35:32,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 18:35:32,507 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 162 [2020-10-23 18:35:32,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:35:32,530 INFO L225 Difference]: With dead ends: 1382 [2020-10-23 18:35:32,530 INFO L226 Difference]: Without dead ends: 914 [2020-10-23 18:35:32,535 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-10-23 18:35:32,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 914 states. [2020-10-23 18:35:32,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 914 to 914. [2020-10-23 18:35:32,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 914 states. [2020-10-23 18:35:32,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 914 states and 1206 transitions. [2020-10-23 18:35:32,660 INFO L78 Accepts]: Start accepts. Automaton has 914 states and 1206 transitions. Word has length 162 [2020-10-23 18:35:32,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:35:32,665 INFO L481 AbstractCegarLoop]: Abstraction has 914 states and 1206 transitions. [2020-10-23 18:35:32,666 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 18:35:32,667 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 1206 transitions. [2020-10-23 18:35:32,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-10-23 18:35:32,690 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:35:32,691 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:35:32,906 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-10-23 18:35:32,908 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:35:32,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:35:32,909 INFO L82 PathProgramCache]: Analyzing trace with hash 1497981740, now seen corresponding path program 1 times [2020-10-23 18:35:32,910 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:35:32,910 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310770152] [2020-10-23 18:35:32,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:35:32,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:33,179 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-23 18:35:33,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:35:33,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:33,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:35:33,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:33,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-23 18:35:33,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:33,433 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 39 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-23 18:35:33,434 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310770152] [2020-10-23 18:35:33,434 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [621806705] [2020-10-23 18:35:33,434 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 [2020-10-23 18:35:33,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:33,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 8 conjunts are in the unsatisfiable core [2020-10-23 18:35:33,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:35:33,993 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-23 18:35:33,995 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-23 18:35:33,995 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2020-10-23 18:35:33,996 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34084010] [2020-10-23 18:35:33,998 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-23 18:35:33,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:35:34,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-23 18:35:34,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2020-10-23 18:35:34,002 INFO L87 Difference]: Start difference. First operand 914 states and 1206 transitions. Second operand 5 states. [2020-10-23 18:35:35,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:35:35,279 INFO L93 Difference]: Finished difference Result 2760 states and 3820 transitions. [2020-10-23 18:35:35,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-23 18:35:35,284 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 187 [2020-10-23 18:35:35,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:35:35,302 INFO L225 Difference]: With dead ends: 2760 [2020-10-23 18:35:35,302 INFO L226 Difference]: Without dead ends: 1852 [2020-10-23 18:35:35,308 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-10-23 18:35:35,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1852 states. [2020-10-23 18:35:35,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1852 to 1824. [2020-10-23 18:35:35,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1824 states. [2020-10-23 18:35:35,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1824 states to 1824 states and 2408 transitions. [2020-10-23 18:35:35,412 INFO L78 Accepts]: Start accepts. Automaton has 1824 states and 2408 transitions. Word has length 187 [2020-10-23 18:35:35,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:35:35,413 INFO L481 AbstractCegarLoop]: Abstraction has 1824 states and 2408 transitions. [2020-10-23 18:35:35,413 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-23 18:35:35,413 INFO L276 IsEmpty]: Start isEmpty. Operand 1824 states and 2408 transitions. [2020-10-23 18:35:35,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-10-23 18:35:35,422 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:35:35,423 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:35:35,637 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:35:35,638 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:35:35,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:35:35,640 INFO L82 PathProgramCache]: Analyzing trace with hash -624481952, now seen corresponding path program 1 times [2020-10-23 18:35:35,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:35:35,642 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317783675] [2020-10-23 18:35:35,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:35:35,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:35,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:35:35,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:35,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:35:35,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:35,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-23 18:35:35,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:36,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-23 18:35:36,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:36,081 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 47 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-23 18:35:36,082 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317783675] [2020-10-23 18:35:36,082 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1855070209] [2020-10-23 18:35:36,082 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 [2020-10-23 18:35:36,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:36,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 562 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:35:36,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:35:36,454 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 59 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-23 18:35:36,455 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-23 18:35:36,455 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5] total 12 [2020-10-23 18:35:36,456 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902202421] [2020-10-23 18:35:36,458 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-23 18:35:36,458 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:35:36,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-23 18:35:36,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-10-23 18:35:36,460 INFO L87 Difference]: Start difference. First operand 1824 states and 2408 transitions. Second operand 12 states. [2020-10-23 18:35:36,651 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-23 18:35:36,955 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-23 18:35:37,565 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-23 18:35:37,701 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-23 18:35:39,255 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-10-23 18:35:39,534 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2020-10-23 18:35:39,758 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2020-10-23 18:35:40,856 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 87 [2020-10-23 18:35:42,573 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-23 18:35:43,152 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-23 18:35:44,124 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2020-10-23 18:35:45,999 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-10-23 18:35:46,573 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 89 [2020-10-23 18:35:46,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:35:46,973 INFO L93 Difference]: Finished difference Result 7580 states and 10454 transitions. [2020-10-23 18:35:46,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2020-10-23 18:35:46,974 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 195 [2020-10-23 18:35:46,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:35:47,016 INFO L225 Difference]: With dead ends: 7580 [2020-10-23 18:35:47,018 INFO L226 Difference]: Without dead ends: 5762 [2020-10-23 18:35:47,029 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 304 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1303 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=625, Invalid=3407, Unknown=0, NotChecked=0, Total=4032 [2020-10-23 18:35:47,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5762 states. [2020-10-23 18:35:47,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5762 to 5726. [2020-10-23 18:35:47,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5726 states. [2020-10-23 18:35:47,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5726 states to 5726 states and 6957 transitions. [2020-10-23 18:35:47,269 INFO L78 Accepts]: Start accepts. Automaton has 5726 states and 6957 transitions. Word has length 195 [2020-10-23 18:35:47,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:35:47,270 INFO L481 AbstractCegarLoop]: Abstraction has 5726 states and 6957 transitions. [2020-10-23 18:35:47,270 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-23 18:35:47,270 INFO L276 IsEmpty]: Start isEmpty. Operand 5726 states and 6957 transitions. [2020-10-23 18:35:47,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-10-23 18:35:47,291 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:35:47,291 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:35:47,506 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:35:47,507 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:35:47,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:35:47,511 INFO L82 PathProgramCache]: Analyzing trace with hash -1511108947, now seen corresponding path program 1 times [2020-10-23 18:35:47,511 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:35:47,511 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266996504] [2020-10-23 18:35:47,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:35:47,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:47,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:35:47,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:47,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:35:47,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:47,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-23 18:35:47,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:47,954 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 89 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-23 18:35:47,955 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266996504] [2020-10-23 18:35:47,961 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1210378488] [2020-10-23 18:35:47,962 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 [2020-10-23 18:35:48,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:48,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:35:48,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:35:48,217 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-23 18:35:48,217 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-10-23 18:35:48,218 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 9 [2020-10-23 18:35:48,218 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594736601] [2020-10-23 18:35:48,219 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 18:35:48,219 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:35:48,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 18:35:48,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-23 18:35:48,221 INFO L87 Difference]: Start difference. First operand 5726 states and 6957 transitions. Second operand 3 states. [2020-10-23 18:35:49,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:35:49,182 INFO L93 Difference]: Finished difference Result 12314 states and 15051 transitions. [2020-10-23 18:35:49,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 18:35:49,182 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 230 [2020-10-23 18:35:49,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:35:49,214 INFO L225 Difference]: With dead ends: 12314 [2020-10-23 18:35:49,215 INFO L226 Difference]: Without dead ends: 5112 [2020-10-23 18:35:49,236 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-23 18:35:49,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5112 states. [2020-10-23 18:35:49,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5112 to 5112. [2020-10-23 18:35:49,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5112 states. [2020-10-23 18:35:49,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5112 states to 5112 states and 6057 transitions. [2020-10-23 18:35:49,407 INFO L78 Accepts]: Start accepts. Automaton has 5112 states and 6057 transitions. Word has length 230 [2020-10-23 18:35:49,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:35:49,408 INFO L481 AbstractCegarLoop]: Abstraction has 5112 states and 6057 transitions. [2020-10-23 18:35:49,408 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 18:35:49,408 INFO L276 IsEmpty]: Start isEmpty. Operand 5112 states and 6057 transitions. [2020-10-23 18:35:49,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-10-23 18:35:49,428 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:35:49,428 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:35:49,642 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:35:49,643 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:35:49,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:35:49,644 INFO L82 PathProgramCache]: Analyzing trace with hash -635963182, now seen corresponding path program 1 times [2020-10-23 18:35:49,644 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:35:49,645 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599451589] [2020-10-23 18:35:49,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:35:49,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:49,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:35:49,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:49,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:35:49,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:49,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-23 18:35:49,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:49,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-23 18:35:49,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:49,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-23 18:35:49,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:50,047 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 91 proven. 43 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-10-23 18:35:50,048 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599451589] [2020-10-23 18:35:50,048 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1958960323] [2020-10-23 18:35:50,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:35:50,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:50,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 647 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-23 18:35:50,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:35:50,335 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 101 proven. 2 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-10-23 18:35:50,335 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-23 18:35:50,335 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 10 [2020-10-23 18:35:50,336 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314277255] [2020-10-23 18:35:50,336 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-23 18:35:50,337 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:35:50,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-23 18:35:50,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-23 18:35:50,338 INFO L87 Difference]: Start difference. First operand 5112 states and 6057 transitions. Second operand 10 states. [2020-10-23 18:35:52,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:35:52,398 INFO L93 Difference]: Finished difference Result 10976 states and 13000 transitions. [2020-10-23 18:35:52,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-23 18:35:52,399 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 236 [2020-10-23 18:35:52,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:35:52,432 INFO L225 Difference]: With dead ends: 10976 [2020-10-23 18:35:52,432 INFO L226 Difference]: Without dead ends: 5870 [2020-10-23 18:35:52,448 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2020-10-23 18:35:52,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5870 states. [2020-10-23 18:35:52,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5870 to 5428. [2020-10-23 18:35:52,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5428 states. [2020-10-23 18:35:52,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5428 states to 5428 states and 6208 transitions. [2020-10-23 18:35:52,618 INFO L78 Accepts]: Start accepts. Automaton has 5428 states and 6208 transitions. Word has length 236 [2020-10-23 18:35:52,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:35:52,618 INFO L481 AbstractCegarLoop]: Abstraction has 5428 states and 6208 transitions. [2020-10-23 18:35:52,618 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-23 18:35:52,619 INFO L276 IsEmpty]: Start isEmpty. Operand 5428 states and 6208 transitions. [2020-10-23 18:35:52,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-10-23 18:35:52,636 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 18:35:52,636 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 18:35:52,850 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2020-10-23 18:35:52,851 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 18:35:52,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 18:35:52,852 INFO L82 PathProgramCache]: Analyzing trace with hash -1296282470, now seen corresponding path program 1 times [2020-10-23 18:35:52,852 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-23 18:35:52,853 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116490919] [2020-10-23 18:35:52,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 18:35:52,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:52,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 18:35:52,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:53,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-23 18:35:53,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:53,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-23 18:35:53,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:53,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-23 18:35:53,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:53,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-23 18:35:53,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:53,178 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 99 proven. 43 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2020-10-23 18:35:53,178 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116490919] [2020-10-23 18:35:53,179 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1573098317] [2020-10-23 18:35:53,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:35:53,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 18:35:53,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 653 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-23 18:35:53,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-23 18:35:53,458 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 153 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-10-23 18:35:53,459 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-10-23 18:35:53,459 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 10 [2020-10-23 18:35:53,459 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627945931] [2020-10-23 18:35:53,460 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-23 18:35:53,461 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-23 18:35:53,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-23 18:35:53,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-10-23 18:35:53,461 INFO L87 Difference]: Start difference. First operand 5428 states and 6208 transitions. Second operand 10 states. [2020-10-23 18:35:54,733 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-10-23 18:35:55,970 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-10-23 18:35:56,603 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-23 18:35:57,591 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-10-23 18:36:00,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 18:36:00,175 INFO L93 Difference]: Finished difference Result 10473 states and 12083 transitions. [2020-10-23 18:36:00,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-23 18:36:00,179 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 240 [2020-10-23 18:36:00,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 18:36:00,182 INFO L225 Difference]: With dead ends: 10473 [2020-10-23 18:36:00,182 INFO L226 Difference]: Without dead ends: 0 [2020-10-23 18:36:00,205 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 348 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=265, Invalid=1067, Unknown=0, NotChecked=0, Total=1332 [2020-10-23 18:36:00,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-23 18:36:00,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-23 18:36:00,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-23 18:36:00,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-23 18:36:00,207 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 240 [2020-10-23 18:36:00,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 18:36:00,207 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-23 18:36:00,207 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-23 18:36:00,207 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-23 18:36:00,207 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-23 18:36:00,420 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-10-23 18:36:00,424 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-23 18:36:01,328 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 146 [2020-10-23 18:36:01,506 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 146 [2020-10-23 18:36:01,770 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 31 [2020-10-23 18:36:03,735 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 203 DAG size of output: 60 [2020-10-23 18:36:03,920 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2020-10-23 18:36:04,614 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 49 [2020-10-23 18:36:05,307 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 49 [2020-10-23 18:36:05,717 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 42 [2020-10-23 18:36:05,722 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-23 18:36:05,723 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-23 18:36:05,723 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-23 18:36:05,723 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-23 18:36:05,723 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-23 18:36:05,725 INFO L270 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|) (= |old(#NULL.base)| |#NULL.base|) (= |#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)|) (= ~y~0 |old(~y~0)|) (= ~a17~0 |old(~a17~0)|) (= ~c~0 |old(~c~0)|) (= ~a25~0 |old(~a25~0)|) (= ~z~0 |old(~z~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |old(#t~string6.offset)| |#t~string6.offset|) (= ~a~0 |old(~a~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |old(#t~string7.base)| |#t~string7.base|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|)) [2020-10-23 18:36:05,725 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-23 18:36:05,726 INFO L274 CegarLoopResult]: For program point L597(line 597) no Hoare annotation was computed. [2020-10-23 18:36:05,726 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-10-23 18:36:05,726 INFO L274 CegarLoopResult]: For program point L531(line 531) no Hoare annotation was computed. [2020-10-23 18:36:05,726 INFO L274 CegarLoopResult]: For program point L498(line 498) no Hoare annotation was computed. [2020-10-23 18:36:05,726 INFO L274 CegarLoopResult]: For program point L465(line 465) no Hoare annotation was computed. [2020-10-23 18:36:05,726 INFO L274 CegarLoopResult]: For program point L432(line 432) no Hoare annotation was computed. [2020-10-23 18:36:05,726 INFO L274 CegarLoopResult]: For program point L333(lines 333 415) no Hoare annotation was computed. [2020-10-23 18:36:05,726 INFO L274 CegarLoopResult]: For program point L300(lines 300 309) no Hoare annotation was computed. [2020-10-23 18:36:05,727 INFO L274 CegarLoopResult]: For program point L234(lines 234 415) no Hoare annotation was computed. [2020-10-23 18:36:05,727 INFO L274 CegarLoopResult]: For program point L300-2(lines 300 309) no Hoare annotation was computed. [2020-10-23 18:36:05,727 INFO L274 CegarLoopResult]: For program point L400(lines 400 415) no Hoare annotation was computed. [2020-10-23 18:36:05,727 INFO L274 CegarLoopResult]: For program point L334(lines 334 337) no Hoare annotation was computed. [2020-10-23 18:36:05,727 INFO L274 CegarLoopResult]: For program point L334-2(lines 334 337) no Hoare annotation was computed. [2020-10-23 18:36:05,728 INFO L274 CegarLoopResult]: For program point L136(lines 136 415) no Hoare annotation was computed. [2020-10-23 18:36:05,728 INFO L274 CegarLoopResult]: For program point L37(lines 37 415) no Hoare annotation was computed. [2020-10-23 18:36:05,728 INFO L274 CegarLoopResult]: For program point L566-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:05,728 INFO L274 CegarLoopResult]: For program point L533-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:05,728 INFO L274 CegarLoopResult]: For program point L500-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:05,728 INFO L274 CegarLoopResult]: For program point L467-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:05,728 INFO L274 CegarLoopResult]: For program point L434-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:05,729 INFO L274 CegarLoopResult]: For program point L236(lines 236 415) no Hoare annotation was computed. [2020-10-23 18:36:05,729 INFO L274 CegarLoopResult]: For program point L71(lines 71 415) no Hoare annotation was computed. [2020-10-23 18:36:05,729 INFO L274 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-10-23 18:36:05,729 INFO L274 CegarLoopResult]: For program point L534(line 534) no Hoare annotation was computed. [2020-10-23 18:36:05,729 INFO L274 CegarLoopResult]: For program point L501(line 501) no Hoare annotation was computed. [2020-10-23 18:36:05,730 INFO L274 CegarLoopResult]: For program point L468(line 468) no Hoare annotation was computed. [2020-10-23 18:36:05,730 INFO L274 CegarLoopResult]: For program point L435(line 435) no Hoare annotation was computed. [2020-10-23 18:36:05,731 INFO L274 CegarLoopResult]: For program point L204(lines 204 415) no Hoare annotation was computed. [2020-10-23 18:36:05,731 INFO L274 CegarLoopResult]: For program point L171(lines 171 415) no Hoare annotation was computed. [2020-10-23 18:36:05,731 INFO L274 CegarLoopResult]: For program point L370(lines 370 415) no Hoare annotation was computed. [2020-10-23 18:36:05,731 INFO L274 CegarLoopResult]: For program point L205(lines 205 212) no Hoare annotation was computed. [2020-10-23 18:36:05,731 INFO L274 CegarLoopResult]: For program point L205-2(lines 205 212) no Hoare annotation was computed. [2020-10-23 18:36:05,731 INFO L274 CegarLoopResult]: For program point L40(lines 40 415) no Hoare annotation was computed. [2020-10-23 18:36:05,731 INFO L274 CegarLoopResult]: For program point L569-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:05,732 INFO L274 CegarLoopResult]: For program point L536-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:05,732 INFO L274 CegarLoopResult]: For program point L503-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:05,733 INFO L274 CegarLoopResult]: For program point L470-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:05,734 INFO L274 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-10-23 18:36:05,734 INFO L274 CegarLoopResult]: For program point L437-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:05,734 INFO L274 CegarLoopResult]: For program point L239(lines 239 415) no Hoare annotation was computed. [2020-10-23 18:36:05,734 INFO L274 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-10-23 18:36:05,734 INFO L274 CegarLoopResult]: For program point L537(line 537) no Hoare annotation was computed. [2020-10-23 18:36:05,734 INFO L274 CegarLoopResult]: For program point L504(line 504) no Hoare annotation was computed. [2020-10-23 18:36:05,734 INFO L274 CegarLoopResult]: For program point L471(line 471) no Hoare annotation was computed. [2020-10-23 18:36:05,734 INFO L274 CegarLoopResult]: For program point L438(line 438) no Hoare annotation was computed. [2020-10-23 18:36:05,734 INFO L274 CegarLoopResult]: For program point L339(lines 339 415) no Hoare annotation was computed. [2020-10-23 18:36:05,735 INFO L274 CegarLoopResult]: For program point L240(lines 240 248) no Hoare annotation was computed. [2020-10-23 18:36:05,735 INFO L274 CegarLoopResult]: For program point L240-2(lines 240 248) no Hoare annotation was computed. [2020-10-23 18:36:05,735 INFO L274 CegarLoopResult]: For program point L141(lines 141 415) no Hoare annotation was computed. [2020-10-23 18:36:05,735 INFO L274 CegarLoopResult]: For program point L108(lines 108 415) no Hoare annotation was computed. [2020-10-23 18:36:05,735 INFO L274 CegarLoopResult]: For program point L406(lines 406 415) no Hoare annotation was computed. [2020-10-23 18:36:05,735 INFO L274 CegarLoopResult]: For program point L340(lines 340 349) no Hoare annotation was computed. [2020-10-23 18:36:05,735 INFO L274 CegarLoopResult]: For program point L340-2(lines 340 349) no Hoare annotation was computed. [2020-10-23 18:36:05,735 INFO L274 CegarLoopResult]: For program point L76(lines 76 415) no Hoare annotation was computed. [2020-10-23 18:36:05,735 INFO L274 CegarLoopResult]: For program point L572-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:05,736 INFO L274 CegarLoopResult]: For program point L539-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:05,736 INFO L274 CegarLoopResult]: For program point L506-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:05,736 INFO L274 CegarLoopResult]: For program point L473-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:05,736 INFO L274 CegarLoopResult]: For program point L440-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:05,736 INFO L274 CegarLoopResult]: For program point L77(lines 77 82) no Hoare annotation was computed. [2020-10-23 18:36:05,737 INFO L274 CegarLoopResult]: For program point L44(lines 44 415) no Hoare annotation was computed. [2020-10-23 18:36:05,737 INFO L274 CegarLoopResult]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2020-10-23 18:36:05,737 INFO L274 CegarLoopResult]: For program point L573(line 573) no Hoare annotation was computed. [2020-10-23 18:36:05,737 INFO L274 CegarLoopResult]: For program point L540(line 540) no Hoare annotation was computed. [2020-10-23 18:36:05,737 INFO L274 CegarLoopResult]: For program point L507(line 507) no Hoare annotation was computed. [2020-10-23 18:36:05,737 INFO L274 CegarLoopResult]: For program point L474(line 474) no Hoare annotation was computed. [2020-10-23 18:36:05,738 INFO L274 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-10-23 18:36:05,739 INFO L274 CegarLoopResult]: For program point L177(lines 177 415) no Hoare annotation was computed. [2020-10-23 18:36:05,739 INFO L274 CegarLoopResult]: For program point L409(lines 409 415) no Hoare annotation was computed. [2020-10-23 18:36:05,739 INFO L274 CegarLoopResult]: For program point L145(lines 145 415) no Hoare annotation was computed. [2020-10-23 18:36:05,739 INFO L274 CegarLoopResult]: For program point L575-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:05,739 INFO L274 CegarLoopResult]: For program point L542-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:05,739 INFO L274 CegarLoopResult]: For program point L509-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:05,739 INFO L274 CegarLoopResult]: For program point L476-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:05,739 INFO L274 CegarLoopResult]: For program point L443-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:05,739 INFO L274 CegarLoopResult]: For program point L377(lines 377 415) no Hoare annotation was computed. [2020-10-23 18:36:05,739 INFO L274 CegarLoopResult]: For program point L311(lines 311 415) no Hoare annotation was computed. [2020-10-23 18:36:05,740 INFO L274 CegarLoopResult]: For program point L278(lines 278 415) no Hoare annotation was computed. [2020-10-23 18:36:05,740 INFO L274 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-10-23 18:36:05,740 INFO L274 CegarLoopResult]: For program point L543(line 543) no Hoare annotation was computed. [2020-10-23 18:36:05,740 INFO L274 CegarLoopResult]: For program point L510(line 510) no Hoare annotation was computed. [2020-10-23 18:36:05,740 INFO L274 CegarLoopResult]: For program point L477(line 477) no Hoare annotation was computed. [2020-10-23 18:36:05,740 INFO L274 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-10-23 18:36:05,740 INFO L274 CegarLoopResult]: For program point L411(lines 411 415) no Hoare annotation was computed. [2020-10-23 18:36:05,740 INFO L274 CegarLoopResult]: For program point L214(lines 214 415) no Hoare annotation was computed. [2020-10-23 18:36:05,740 INFO L274 CegarLoopResult]: For program point L181(lines 181 415) no Hoare annotation was computed. [2020-10-23 18:36:05,740 INFO L274 CegarLoopResult]: For program point L115(lines 115 415) no Hoare annotation was computed. [2020-10-23 18:36:05,741 INFO L274 CegarLoopResult]: For program point L49(lines 49 415) no Hoare annotation was computed. [2020-10-23 18:36:05,741 INFO L274 CegarLoopResult]: For program point L578-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:05,741 INFO L274 CegarLoopResult]: For program point L545-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:05,741 INFO L274 CegarLoopResult]: For program point L512-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:05,741 INFO L274 CegarLoopResult]: For program point L479-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:05,741 INFO L274 CegarLoopResult]: For program point L446-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:05,741 INFO L274 CegarLoopResult]: For program point L380(lines 380 415) no Hoare annotation was computed. [2020-10-23 18:36:05,741 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-10-23 18:36:05,741 INFO L274 CegarLoopResult]: For program point L546(line 546) no Hoare annotation was computed. [2020-10-23 18:36:05,741 INFO L274 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-10-23 18:36:05,742 INFO L274 CegarLoopResult]: For program point L480(line 480) no Hoare annotation was computed. [2020-10-23 18:36:05,742 INFO L274 CegarLoopResult]: For program point L447(line 447) no Hoare annotation was computed. [2020-10-23 18:36:05,742 INFO L274 CegarLoopResult]: For program point L282(lines 282 415) no Hoare annotation was computed. [2020-10-23 18:36:05,743 INFO L274 CegarLoopResult]: For program point L150(lines 150 415) no Hoare annotation was computed. [2020-10-23 18:36:05,743 INFO L274 CegarLoopResult]: For program point L84(lines 84 415) no Hoare annotation was computed. [2020-10-23 18:36:05,743 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:05,743 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:05,743 INFO L274 CegarLoopResult]: For program point L382(lines 382 415) no Hoare annotation was computed. [2020-10-23 18:36:05,743 INFO L274 CegarLoopResult]: For program point L316(lines 316 415) no Hoare annotation was computed. [2020-10-23 18:36:05,743 INFO L274 CegarLoopResult]: For program point L250(lines 250 415) no Hoare annotation was computed. [2020-10-23 18:36:05,743 INFO L274 CegarLoopResult]: For program point L217(lines 217 415) no Hoare annotation was computed. [2020-10-23 18:36:05,743 INFO L274 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-10-23 18:36:05,743 INFO L274 CegarLoopResult]: For program point L52(lines 52 415) no Hoare annotation was computed. [2020-10-23 18:36:05,744 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 91) no Hoare annotation was computed. [2020-10-23 18:36:05,744 INFO L274 CegarLoopResult]: For program point L581-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:05,744 INFO L274 CegarLoopResult]: For program point L548-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:05,744 INFO L274 CegarLoopResult]: For program point L515-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:05,744 INFO L274 CegarLoopResult]: For program point L482-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:05,744 INFO L274 CegarLoopResult]: For program point L416(lines 416 418) no Hoare annotation was computed. [2020-10-23 18:36:05,745 INFO L274 CegarLoopResult]: For program point L449-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:05,745 INFO L274 CegarLoopResult]: For program point L383(lines 383 389) no Hoare annotation was computed. [2020-10-23 18:36:05,745 INFO L274 CegarLoopResult]: For program point L416-2(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:05,745 INFO L274 CegarLoopResult]: For program point L317(lines 317 328) no Hoare annotation was computed. [2020-10-23 18:36:05,745 INFO L274 CegarLoopResult]: For program point L383-2(lines 383 389) no Hoare annotation was computed. [2020-10-23 18:36:05,745 INFO L274 CegarLoopResult]: For program point L317-2(lines 317 328) no Hoare annotation was computed. [2020-10-23 18:36:05,745 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-10-23 18:36:05,746 INFO L274 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-10-23 18:36:05,746 INFO L274 CegarLoopResult]: For program point L516(line 516) no Hoare annotation was computed. [2020-10-23 18:36:05,746 INFO L274 CegarLoopResult]: For program point L483(line 483) no Hoare annotation was computed. [2020-10-23 18:36:05,746 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-23 18:36:05,746 INFO L274 CegarLoopResult]: For program point L417(line 417) no Hoare annotation was computed. [2020-10-23 18:36:05,746 INFO L274 CegarLoopResult]: For program point L351(lines 351 415) no Hoare annotation was computed. [2020-10-23 18:36:05,746 INFO L274 CegarLoopResult]: For program point L285(lines 285 415) no Hoare annotation was computed. [2020-10-23 18:36:05,746 INFO L274 CegarLoopResult]: For program point L220(lines 220 415) no Hoare annotation was computed. [2020-10-23 18:36:05,746 INFO L274 CegarLoopResult]: For program point L187(lines 187 415) no Hoare annotation was computed. [2020-10-23 18:36:05,747 INFO L274 CegarLoopResult]: For program point L121(lines 121 415) no Hoare annotation was computed. [2020-10-23 18:36:05,747 INFO L274 CegarLoopResult]: For program point L584-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:05,747 INFO L274 CegarLoopResult]: For program point L551-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:05,747 INFO L274 CegarLoopResult]: For program point L518-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:05,748 INFO L274 CegarLoopResult]: For program point L485-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:05,748 INFO L274 CegarLoopResult]: For program point L452-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:05,748 INFO L274 CegarLoopResult]: For program point L419-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:05,748 INFO L274 CegarLoopResult]: For program point L56(lines 56 415) no Hoare annotation was computed. [2020-10-23 18:36:05,748 INFO L274 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-10-23 18:36:05,748 INFO L274 CegarLoopResult]: For program point L552(line 552) no Hoare annotation was computed. [2020-10-23 18:36:05,748 INFO L274 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-10-23 18:36:05,749 INFO L274 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-10-23 18:36:05,749 INFO L274 CegarLoopResult]: For program point L453(line 453) no Hoare annotation was computed. [2020-10-23 18:36:05,749 INFO L274 CegarLoopResult]: For program point L420(line 420) no Hoare annotation was computed. [2020-10-23 18:36:05,749 INFO L274 CegarLoopResult]: For program point L288(lines 288 415) no Hoare annotation was computed. [2020-10-23 18:36:05,749 INFO L274 CegarLoopResult]: For program point L255(lines 255 415) no Hoare annotation was computed. [2020-10-23 18:36:05,749 INFO L274 CegarLoopResult]: For program point L189(lines 189 415) no Hoare annotation was computed. [2020-10-23 18:36:05,749 INFO L274 CegarLoopResult]: For program point L156(lines 156 415) no Hoare annotation was computed. [2020-10-23 18:36:05,750 INFO L274 CegarLoopResult]: For program point L587-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:05,750 INFO L274 CegarLoopResult]: For program point L554-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:05,750 INFO L274 CegarLoopResult]: For program point L521-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:05,750 INFO L274 CegarLoopResult]: For program point L488-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:05,750 INFO L274 CegarLoopResult]: For program point L455-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:05,750 INFO L274 CegarLoopResult]: For program point L422-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:05,750 INFO L274 CegarLoopResult]: For program point L356(lines 356 415) no Hoare annotation was computed. [2020-10-23 18:36:05,750 INFO L274 CegarLoopResult]: For program point L191(lines 191 415) no Hoare annotation was computed. [2020-10-23 18:36:05,750 INFO L274 CegarLoopResult]: For program point L125(lines 125 415) no Hoare annotation was computed. [2020-10-23 18:36:05,751 INFO L270 CegarLoopResult]: At program point L588(line 588) the Hoare annotation is: (let ((.cse2 (not (<= |old(~a17~0)| 8))) (.cse4 (not (<= |old(~a11~0)| 0))) (.cse5 (not (= |old(~a11~0)| |old(~a25~0)|))) (.cse1 (not (= |old(~a19~0)| 1))) (.cse6 (not (<= |old(~a17~0)| 7))) (.cse7 (not (<= 9 |old(~a28~0)|))) (.cse8 (not (<= |old(~a28~0)| 10))) (.cse0 (= |old(~a25~0)| 1)) (.cse3 (not (<= |old(~a19~0)| 0)))) (and (or (not .cse0) .cse1) (or .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse5) (or (not (<= |old(~a28~0)| 7)) .cse2 .cse1 .cse4 .cse5) (or .cse8 .cse1 .cse7) (or .cse1 .cse6) (or .cse0 .cse6 .cse7) (or .cse8 (= 9 |old(~a28~0)|) .cse3) (or .cse8 .cse0 .cse3))) [2020-10-23 18:36:05,752 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-10-23 18:36:05,752 INFO L274 CegarLoopResult]: For program point L588-1(line 588) no Hoare annotation was computed. [2020-10-23 18:36:05,752 INFO L274 CegarLoopResult]: For program point L522(line 522) no Hoare annotation was computed. [2020-10-23 18:36:05,752 INFO L274 CegarLoopResult]: For program point L489(line 489) no Hoare annotation was computed. [2020-10-23 18:36:05,752 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 31 600) the Hoare annotation is: (let ((.cse10 (= ~a25~0 ~a11~0)) (.cse18 (= ~a19~0 |old(~a19~0)|)) (.cse9 (= ~a28~0 |old(~a28~0)|)) (.cse11 (= ~a17~0 |old(~a17~0)|)) (.cse17 (= ~a11~0 |old(~a11~0)|)) (.cse12 (= ~a19~0 1)) (.cse13 (= ~a25~0 |old(~a25~0)|))) (let ((.cse0 (not (<= |old(~a28~0)| 10))) (.cse5 (and .cse9 .cse11 .cse17 .cse12 .cse13)) (.cse1 (and .cse9 .cse11 .cse17 .cse13 .cse18)) (.cse7 (not (<= |old(~a17~0)| 7))) (.cse6 (not (<= 9 |old(~a28~0)|))) (.cse8 (not (<= |old(~a17~0)| 8))) (.cse16 (and .cse9 .cse10 .cse11 .cse13 .cse18)) (.cse2 (not (<= |old(~a19~0)| 0))) (.cse14 (not (<= |old(~a11~0)| 0))) (.cse15 (not (= |old(~a11~0)| |old(~a25~0)|))) (.cse3 (= |old(~a25~0)| 1)) (.cse4 (not (= |old(~a19~0)| 1)))) (and (or .cse0 .cse1 (= 9 |old(~a28~0)|) .cse2) (or .cse0 .cse1 .cse3 .cse2) (or .cse0 .cse4 .cse5 .cse6) (or .cse4 .cse7 .cse5) (or (not (<= |old(~a28~0)| 7)) .cse8 .cse4 (and .cse9 .cse10 .cse11 .cse12 .cse13) .cse14 .cse15) (or .cse1 .cse3 .cse7 .cse6) (or .cse7 .cse16 .cse6 .cse15) (or .cse8 .cse16 .cse2 .cse14 .cse15) (or (not .cse3) .cse4 (and .cse9 .cse11 .cse17 .cse12 (= ~a25~0 1)))))) [2020-10-23 18:36:05,753 INFO L274 CegarLoopResult]: For program point L456(line 456) no Hoare annotation was computed. [2020-10-23 18:36:05,753 INFO L274 CegarLoopResult]: For program point L423(line 423) no Hoare annotation was computed. [2020-10-23 18:36:05,753 INFO L274 CegarLoopResult]: For program point L225(lines 225 415) no Hoare annotation was computed. [2020-10-23 18:36:05,753 INFO L274 CegarLoopResult]: For program point L93(lines 93 415) no Hoare annotation was computed. [2020-10-23 18:36:05,753 INFO L274 CegarLoopResult]: For program point L391(lines 391 415) no Hoare annotation was computed. [2020-10-23 18:36:05,753 INFO L274 CegarLoopResult]: For program point L193(lines 193 415) no Hoare annotation was computed. [2020-10-23 18:36:05,753 INFO L274 CegarLoopResult]: For program point L61(lines 61 415) no Hoare annotation was computed. [2020-10-23 18:36:05,753 INFO L274 CegarLoopResult]: For program point L590-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:05,753 INFO L274 CegarLoopResult]: For program point L557-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:05,754 INFO L274 CegarLoopResult]: For program point L524-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:05,754 INFO L274 CegarLoopResult]: For program point L491-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:05,754 INFO L274 CegarLoopResult]: For program point L458-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:05,754 INFO L274 CegarLoopResult]: For program point L425-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:05,754 INFO L274 CegarLoopResult]: For program point L293(lines 293 415) no Hoare annotation was computed. [2020-10-23 18:36:05,755 INFO L274 CegarLoopResult]: For program point L227(lines 227 415) no Hoare annotation was computed. [2020-10-23 18:36:05,755 INFO L274 CegarLoopResult]: For program point L161(lines 161 415) no Hoare annotation was computed. [2020-10-23 18:36:05,755 INFO L274 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-10-23 18:36:05,755 INFO L274 CegarLoopResult]: For program point L558(line 558) no Hoare annotation was computed. [2020-10-23 18:36:05,755 INFO L274 CegarLoopResult]: For program point L525(line 525) no Hoare annotation was computed. [2020-10-23 18:36:05,755 INFO L274 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-10-23 18:36:05,755 INFO L274 CegarLoopResult]: For program point L459(line 459) no Hoare annotation was computed. [2020-10-23 18:36:05,755 INFO L274 CegarLoopResult]: For program point L426(line 426) no Hoare annotation was computed. [2020-10-23 18:36:05,755 INFO L274 CegarLoopResult]: For program point L261(lines 261 415) no Hoare annotation was computed. [2020-10-23 18:36:05,755 INFO L274 CegarLoopResult]: For program point L295(lines 295 415) no Hoare annotation was computed. [2020-10-23 18:36:05,755 INFO L274 CegarLoopResult]: For program point L196(lines 196 415) no Hoare annotation was computed. [2020-10-23 18:36:05,755 INFO L274 CegarLoopResult]: For program point L97(lines 97 415) no Hoare annotation was computed. [2020-10-23 18:36:05,755 INFO L274 CegarLoopResult]: For program point L593-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:05,755 INFO L274 CegarLoopResult]: For program point L560-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:05,755 INFO L274 CegarLoopResult]: For program point L527-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:05,756 INFO L274 CegarLoopResult]: For program point L494-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:05,756 INFO L274 CegarLoopResult]: For program point L461-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:05,756 INFO L274 CegarLoopResult]: For program point L428-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:05,756 INFO L274 CegarLoopResult]: For program point L263(lines 263 415) no Hoare annotation was computed. [2020-10-23 18:36:05,756 INFO L274 CegarLoopResult]: For program point L32(lines 32 415) no Hoare annotation was computed. [2020-10-23 18:36:05,756 INFO L274 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-10-23 18:36:05,756 INFO L274 CegarLoopResult]: For program point L561(line 561) no Hoare annotation was computed. [2020-10-23 18:36:05,756 INFO L274 CegarLoopResult]: For program point L528(line 528) no Hoare annotation was computed. [2020-10-23 18:36:05,756 INFO L274 CegarLoopResult]: For program point L495(line 495) no Hoare annotation was computed. [2020-10-23 18:36:05,756 INFO L274 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-10-23 18:36:05,756 INFO L274 CegarLoopResult]: For program point L429(line 429) no Hoare annotation was computed. [2020-10-23 18:36:05,756 INFO L274 CegarLoopResult]: For program point L396(lines 396 415) no Hoare annotation was computed. [2020-10-23 18:36:05,756 INFO L274 CegarLoopResult]: For program point L363(lines 363 415) no Hoare annotation was computed. [2020-10-23 18:36:05,756 INFO L274 CegarLoopResult]: For program point L330(lines 330 415) no Hoare annotation was computed. [2020-10-23 18:36:05,756 INFO L274 CegarLoopResult]: For program point L264(lines 264 276) no Hoare annotation was computed. [2020-10-23 18:36:05,757 INFO L274 CegarLoopResult]: For program point L264-2(lines 264 276) no Hoare annotation was computed. [2020-10-23 18:36:05,757 INFO L274 CegarLoopResult]: For program point L132(lines 132 415) no Hoare annotation was computed. [2020-10-23 18:36:05,757 INFO L274 CegarLoopResult]: For program point L67(lines 67 415) no Hoare annotation was computed. [2020-10-23 18:36:05,757 INFO L274 CegarLoopResult]: For program point L596-1(lines 596 598) no Hoare annotation was computed. [2020-10-23 18:36:05,757 INFO L274 CegarLoopResult]: For program point L563-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:05,759 INFO L274 CegarLoopResult]: For program point L530-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:05,759 INFO L274 CegarLoopResult]: For program point L497-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:05,759 INFO L274 CegarLoopResult]: For program point L464-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:05,759 INFO L274 CegarLoopResult]: For program point L431-1(lines 31 600) no Hoare annotation was computed. [2020-10-23 18:36:05,759 INFO L274 CegarLoopResult]: For program point L299(lines 299 415) no Hoare annotation was computed. [2020-10-23 18:36:05,760 INFO L274 CegarLoopResult]: For program point L200(lines 200 415) no Hoare annotation was computed. [2020-10-23 18:36:05,760 INFO L274 CegarLoopResult]: For program point L167(lines 167 415) no Hoare annotation was computed. [2020-10-23 18:36:05,760 INFO L274 CegarLoopResult]: For program point L101(lines 101 415) no Hoare annotation was computed. [2020-10-23 18:36:05,760 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-23 18:36:05,760 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a25~0 ~a11~0) (<= ~a11~0 0) (= ~a19~0 1) (<= ~a28~0 7) (<= ~a17~0 8)) [2020-10-23 18:36:05,760 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-23 18:36:05,760 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-23 18:36:05,761 INFO L270 CegarLoopResult]: At program point L608-2(lines 608 618) the Hoare annotation is: (let ((.cse1 (= ~a25~0 1))) (let ((.cse2 (<= ~a19~0 0)) (.cse5 (= ~a25~0 ~a11~0)) (.cse8 (<= ~a11~0 0)) (.cse9 (<= ~a17~0 8)) (.cse7 (<= ~a17~0 7)) (.cse4 (not .cse1)) (.cse6 (<= 9 ~a28~0)) (.cse0 (= ~a19~0 1)) (.cse3 (<= ~a28~0 10))) (or (not (= |old(~a19~0)| 1)) (and .cse0 .cse1) (and .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7) (and .cse0 .cse7) (and .cse5 .cse8 .cse2 .cse9) (and (not (= ~a28~0 9)) .cse2 .cse3) (and .cse5 .cse8 .cse0 .cse9 (<= ~a28~0 7)) (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (and .cse6 .cse7 .cse4) (not (<= |old(~a11~0)| 0)) (and .cse6 .cse0 .cse3) (not (= |old(~a11~0)| |old(~a25~0)|))))) [2020-10-23 18:36:05,761 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 602 619) the Hoare annotation is: (or (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (not (= |old(~a19~0)| 1)) (and (= ~a28~0 |old(~a28~0)|) (= ~a25~0 ~a11~0) (= ~a17~0 |old(~a17~0)|) (= ~a19~0 1) (= ~a25~0 |old(~a25~0)|)) (not (<= |old(~a11~0)| 0)) (not (= |old(~a11~0)| |old(~a25~0)|))) [2020-10-23 18:36:05,761 INFO L274 CegarLoopResult]: For program point L608-3(lines 602 619) no Hoare annotation was computed. [2020-10-23 18:36:05,761 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 602 619) no Hoare annotation was computed. [2020-10-23 18:36:05,761 INFO L270 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (let ((.cse1 (= ~a25~0 1))) (let ((.cse2 (<= ~a19~0 0)) (.cse5 (= ~a25~0 ~a11~0)) (.cse8 (<= ~a11~0 0)) (.cse9 (<= ~a17~0 8)) (.cse7 (<= ~a17~0 7)) (.cse4 (not .cse1)) (.cse6 (<= 9 ~a28~0)) (.cse0 (= ~a19~0 1)) (.cse3 (<= ~a28~0 10))) (or (not (= |old(~a19~0)| 1)) (and .cse0 .cse1) (and .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7) (and .cse0 .cse7) (and .cse5 .cse8 .cse2 .cse9) (and (not (= ~a28~0 9)) .cse2 .cse3) (and .cse5 .cse8 .cse0 .cse9 (<= ~a28~0 7)) (not (<= |old(~a28~0)| 7)) (not (<= |old(~a17~0)| 8)) (and .cse6 .cse7 .cse4) (not (<= |old(~a11~0)| 0)) (and .cse6 .cse0 .cse3) (not (= |old(~a11~0)| |old(~a25~0)|))))) [2020-10-23 18:36:05,761 INFO L274 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-10-23 18:36:05,762 INFO L274 CegarLoopResult]: For program point L613(line 613) no Hoare annotation was computed. [2020-10-23 18:36:05,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 06:36:05 BoogieIcfgContainer [2020-10-23 18:36:05,809 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 18:36:05,811 INFO L168 Benchmark]: Toolchain (without parser) took 42840.83 ms. Allocated memory was 151.0 MB in the beginning and 566.2 MB in the end (delta: 415.2 MB). Free memory was 124.7 MB in the beginning and 237.0 MB in the end (delta: -112.2 MB). Peak memory consumption was 338.5 MB. Max. memory is 8.0 GB. [2020-10-23 18:36:05,811 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 151.0 MB. Free memory is still 123.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 18:36:05,816 INFO L168 Benchmark]: CACSL2BoogieTranslator took 707.63 ms. Allocated memory is still 151.0 MB. Free memory was 124.3 MB in the beginning and 98.5 MB in the end (delta: 25.8 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2020-10-23 18:36:05,818 INFO L168 Benchmark]: Boogie Preprocessor took 173.35 ms. Allocated memory is still 151.0 MB. Free memory was 98.5 MB in the beginning and 93.9 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-23 18:36:05,819 INFO L168 Benchmark]: RCFGBuilder took 1676.15 ms. Allocated memory is still 151.0 MB. Free memory was 93.9 MB in the beginning and 70.1 MB in the end (delta: 23.7 MB). Peak memory consumption was 48.2 MB. Max. memory is 8.0 GB. [2020-10-23 18:36:05,820 INFO L168 Benchmark]: TraceAbstraction took 40270.84 ms. Allocated memory was 151.0 MB in the beginning and 566.2 MB in the end (delta: 415.2 MB). Free memory was 70.1 MB in the beginning and 237.0 MB in the end (delta: -166.8 MB). Peak memory consumption was 284.6 MB. Max. memory is 8.0 GB. [2020-10-23 18:36:05,830 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 151.0 MB. Free memory is still 123.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 707.63 ms. Allocated memory is still 151.0 MB. Free memory was 124.3 MB in the beginning and 98.5 MB in the end (delta: 25.8 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 173.35 ms. Allocated memory is still 151.0 MB. Free memory was 98.5 MB in the beginning and 93.9 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1676.15 ms. Allocated memory is still 151.0 MB. Free memory was 93.9 MB in the beginning and 70.1 MB in the end (delta: 23.7 MB). Peak memory consumption was 48.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 40270.84 ms. Allocated memory was 151.0 MB in the beginning and 566.2 MB in the end (delta: 415.2 MB). Free memory was 70.1 MB in the beginning and 237.0 MB in the end (delta: -166.8 MB). Peak memory consumption was 284.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: ((((((((((((!(\old(a19) == 1) || (a19 == 1 && a25 == 1)) || ((a19 <= 0 && a28 <= 10) && !(a25 == 1))) || ((a25 == a11 && 9 <= a28) && a17 <= 7)) || (a19 == 1 && a17 <= 7)) || (((a25 == a11 && a11 <= 0) && a19 <= 0) && a17 <= 8)) || ((!(a28 == 9) && a19 <= 0) && a28 <= 10)) || ((((a25 == a11 && a11 <= 0) && a19 == 1) && a17 <= 8) && a28 <= 7)) || !(\old(a28) <= 7)) || !(\old(a17) <= 8)) || ((9 <= a28 && a17 <= 7) && !(a25 == 1))) || !(\old(a11) <= 0)) || ((9 <= a28 && a19 == 1) && a28 <= 10)) || !(\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: 34.8s, OverallIterations: 7, TraceHistogramMax: 5, AutomataDifference: 26.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 609 SDtfs, 5235 SDslu, 563 SDs, 0 SdLazy, 9828 SolverSat, 1935 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1487 GetRequests, 1346 SyntacticMatches, 0 SemanticMatches, 141 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1703 ImplicationChecksByTransitivity, 6.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5726occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 7 MinimizatonAttempts, 513 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 389 PreInvPairs, 505 NumberOfFragments, 753 HoareAnnotationTreeSize, 389 FomulaSimplifications, 11943 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 9 FomulaSimplificationsInter, 9419 FormulaSimplificationTreeSizeReductionInter, 4.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 2645 NumberOfCodeBlocks, 2645 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2632 ConstructedInterpolants, 0 QuantifiedInterpolants, 1140206 SizeOfPredicates, 5 NumberOfNonLiveVariables, 3400 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 13 InterpolantComputations, 4 PerfectInterpolantSequences, 1038/1156 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...