./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label14.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573cdfc5-d10b-4148-b83f-3e549381b8af/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573cdfc5-d10b-4148-b83f-3e549381b8af/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573cdfc5-d10b-4148-b83f-3e549381b8af/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573cdfc5-d10b-4148-b83f-3e549381b8af/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label14.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573cdfc5-d10b-4148-b83f-3e549381b8af/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573cdfc5-d10b-4148-b83f-3e549381b8af/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 250149b8db46a8cfd93cca5c9e51a3336d18e5ed9ae8a2faf72fd582a53985cf --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 20:29:22,896 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 20:29:22,898 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 20:29:22,929 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 20:29:22,930 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 20:29:22,931 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 20:29:22,933 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 20:29:22,935 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 20:29:22,937 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 20:29:22,938 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 20:29:22,940 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 20:29:22,941 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 20:29:22,941 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 20:29:22,943 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 20:29:22,944 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 20:29:22,945 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 20:29:22,946 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 20:29:22,947 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 20:29:22,949 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 20:29:22,952 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 20:29:22,953 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 20:29:22,955 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 20:29:22,956 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 20:29:22,957 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 20:29:22,961 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 20:29:22,961 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 20:29:22,962 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 20:29:22,963 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 20:29:22,963 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 20:29:22,964 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 20:29:22,964 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 20:29:22,965 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 20:29:22,965 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 20:29:22,966 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 20:29:22,967 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 20:29:22,967 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 20:29:22,968 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 20:29:22,968 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 20:29:22,968 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 20:29:22,969 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 20:29:22,969 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 20:29:22,970 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573cdfc5-d10b-4148-b83f-3e549381b8af/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-06 20:29:22,991 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 20:29:22,991 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 20:29:22,992 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 20:29:22,992 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 20:29:22,993 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 20:29:22,993 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 20:29:22,993 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 20:29:22,994 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 20:29:22,994 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 20:29:22,994 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 20:29:22,994 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 20:29:22,994 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 20:29:22,995 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 20:29:22,995 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 20:29:22,995 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 20:29:22,995 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 20:29:22,995 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 20:29:22,995 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 20:29:22,996 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 20:29:22,996 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 20:29:22,996 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 20:29:22,996 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 20:29:22,996 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 20:29:22,997 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 20:29:22,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 20:29:22,997 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 20:29:22,997 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 20:29:22,997 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 20:29:22,997 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 20:29:22,998 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 20:29:22,998 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 20:29:22,998 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 20:29:22,998 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 20:29:22,998 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 20:29:22,999 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573cdfc5-d10b-4148-b83f-3e549381b8af/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573cdfc5-d10b-4148-b83f-3e549381b8af/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 250149b8db46a8cfd93cca5c9e51a3336d18e5ed9ae8a2faf72fd582a53985cf [2021-12-06 20:29:23,186 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 20:29:23,201 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 20:29:23,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 20:29:23,204 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 20:29:23,205 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 20:29:23,206 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573cdfc5-d10b-4148-b83f-3e549381b8af/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/eca-rers2012/Problem01_label14.c [2021-12-06 20:29:23,250 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573cdfc5-d10b-4148-b83f-3e549381b8af/bin/uautomizer-DrprNOufMa/data/0db862525/bdda2ccb2f804cde9c632eabe3ed504e/FLAG8ac9fbc46 [2021-12-06 20:29:23,666 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 20:29:23,667 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573cdfc5-d10b-4148-b83f-3e549381b8af/sv-benchmarks/c/eca-rers2012/Problem01_label14.c [2021-12-06 20:29:23,676 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573cdfc5-d10b-4148-b83f-3e549381b8af/bin/uautomizer-DrprNOufMa/data/0db862525/bdda2ccb2f804cde9c632eabe3ed504e/FLAG8ac9fbc46 [2021-12-06 20:29:23,686 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573cdfc5-d10b-4148-b83f-3e549381b8af/bin/uautomizer-DrprNOufMa/data/0db862525/bdda2ccb2f804cde9c632eabe3ed504e [2021-12-06 20:29:23,688 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 20:29:23,689 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 20:29:23,691 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 20:29:23,691 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 20:29:23,693 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 20:29:23,694 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 08:29:23" (1/1) ... [2021-12-06 20:29:23,695 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4697a892 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:29:23, skipping insertion in model container [2021-12-06 20:29:23,695 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 08:29:23" (1/1) ... [2021-12-06 20:29:23,700 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 20:29:23,733 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 20:29:23,951 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573cdfc5-d10b-4148-b83f-3e549381b8af/sv-benchmarks/c/eca-rers2012/Problem01_label14.c[21834,21847] [2021-12-06 20:29:23,962 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 20:29:23,969 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 20:29:24,024 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573cdfc5-d10b-4148-b83f-3e549381b8af/sv-benchmarks/c/eca-rers2012/Problem01_label14.c[21834,21847] [2021-12-06 20:29:24,028 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 20:29:24,038 INFO L208 MainTranslator]: Completed translation [2021-12-06 20:29:24,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:29:24 WrapperNode [2021-12-06 20:29:24,039 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 20:29:24,040 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 20:29:24,040 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 20:29:24,040 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 20:29:24,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:29:24" (1/1) ... [2021-12-06 20:29:24,059 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:29:24" (1/1) ... [2021-12-06 20:29:24,095 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 657 [2021-12-06 20:29:24,096 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 20:29:24,096 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 20:29:24,096 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 20:29:24,096 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 20:29:24,103 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:29:24" (1/1) ... [2021-12-06 20:29:24,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:29:24" (1/1) ... [2021-12-06 20:29:24,106 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:29:24" (1/1) ... [2021-12-06 20:29:24,107 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:29:24" (1/1) ... [2021-12-06 20:29:24,124 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:29:24" (1/1) ... [2021-12-06 20:29:24,131 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:29:24" (1/1) ... [2021-12-06 20:29:24,136 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:29:24" (1/1) ... [2021-12-06 20:29:24,142 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 20:29:24,143 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 20:29:24,143 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 20:29:24,143 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 20:29:24,144 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:29:24" (1/1) ... [2021-12-06 20:29:24,150 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 20:29:24,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573cdfc5-d10b-4148-b83f-3e549381b8af/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:29:24,171 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573cdfc5-d10b-4148-b83f-3e549381b8af/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 20:29:24,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573cdfc5-d10b-4148-b83f-3e549381b8af/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 20:29:24,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 20:29:24,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 20:29:24,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 20:29:24,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 20:29:24,269 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 20:29:24,270 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 20:29:24,901 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 20:29:24,910 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 20:29:24,911 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-06 20:29:24,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:29:24 BoogieIcfgContainer [2021-12-06 20:29:24,913 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 20:29:24,915 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 20:29:24,915 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 20:29:24,918 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 20:29:24,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 08:29:23" (1/3) ... [2021-12-06 20:29:24,919 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25794e4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 08:29:24, skipping insertion in model container [2021-12-06 20:29:24,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 08:29:24" (2/3) ... [2021-12-06 20:29:24,920 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25794e4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 08:29:24, skipping insertion in model container [2021-12-06 20:29:24,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:29:24" (3/3) ... [2021-12-06 20:29:24,921 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label14.c [2021-12-06 20:29:24,927 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 20:29:24,927 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 20:29:24,976 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 20:29:24,983 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 20:29:24,983 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 20:29:25,002 INFO L276 IsEmpty]: Start isEmpty. Operand has 198 states, 196 states have (on average 1.6683673469387754) internal successors, (327), 197 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:29:25,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-12-06 20:29:25,017 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:29:25,018 INFO L514 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] [2021-12-06 20:29:25,019 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:29:25,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:29:25,024 INFO L85 PathProgramCache]: Analyzing trace with hash 2004563326, now seen corresponding path program 1 times [2021-12-06 20:29:25,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:29:25,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610823606] [2021-12-06 20:29:25,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:29:25,034 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:29:25,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:25,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:29:25,466 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:29:25,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610823606] [2021-12-06 20:29:25,466 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610823606] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:29:25,467 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:29:25,467 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 20:29:25,468 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275475753] [2021-12-06 20:29:25,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:29:25,472 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 20:29:25,472 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:29:25,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 20:29:25,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 20:29:25,497 INFO L87 Difference]: Start difference. First operand has 198 states, 196 states have (on average 1.6683673469387754) internal successors, (327), 197 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 32.75) internal successors, (131), 3 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:29:26,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:29:26,201 INFO L93 Difference]: Finished difference Result 662 states and 1178 transitions. [2021-12-06 20:29:26,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 20:29:26,203 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.75) internal successors, (131), 3 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2021-12-06 20:29:26,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:29:26,218 INFO L225 Difference]: With dead ends: 662 [2021-12-06 20:29:26,218 INFO L226 Difference]: Without dead ends: 397 [2021-12-06 20:29:26,222 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:29:26,226 INFO L933 BasicCegarLoop]: 65 mSDtfsCounter, 290 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 648 mSolverCounterSat, 240 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 888 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 240 IncrementalHoareTripleChecker+Valid, 648 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2021-12-06 20:29:26,227 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [290 Valid, 81 Invalid, 888 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [240 Valid, 648 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2021-12-06 20:29:26,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2021-12-06 20:29:26,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 397. [2021-12-06 20:29:26,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 396 states have (on average 1.3055555555555556) internal successors, (517), 396 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:29:26,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 517 transitions. [2021-12-06 20:29:26,283 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 517 transitions. Word has length 131 [2021-12-06 20:29:26,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:29:26,284 INFO L470 AbstractCegarLoop]: Abstraction has 397 states and 517 transitions. [2021-12-06 20:29:26,284 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.75) internal successors, (131), 3 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:29:26,284 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 517 transitions. [2021-12-06 20:29:26,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-12-06 20:29:26,288 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:29:26,288 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:29:26,288 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 20:29:26,288 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:29:26,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:29:26,289 INFO L85 PathProgramCache]: Analyzing trace with hash 525748235, now seen corresponding path program 1 times [2021-12-06 20:29:26,289 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:29:26,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268911305] [2021-12-06 20:29:26,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:29:26,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:29:26,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:26,432 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:29:26,432 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:29:26,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268911305] [2021-12-06 20:29:26,432 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268911305] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:29:26,432 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 20:29:26,432 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 20:29:26,433 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399987088] [2021-12-06 20:29:26,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:29:26,434 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 20:29:26,434 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:29:26,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 20:29:26,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 20:29:26,435 INFO L87 Difference]: Start difference. First operand 397 states and 517 transitions. Second operand has 4 states, 4 states have (on average 34.5) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:29:26,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:29:26,857 INFO L93 Difference]: Finished difference Result 887 states and 1235 transitions. [2021-12-06 20:29:26,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 20:29:26,857 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.5) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 138 [2021-12-06 20:29:26,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:29:26,860 INFO L225 Difference]: With dead ends: 887 [2021-12-06 20:29:26,860 INFO L226 Difference]: Without dead ends: 528 [2021-12-06 20:29:26,861 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-12-06 20:29:26,862 INFO L933 BasicCegarLoop]: 71 mSDtfsCounter, 130 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 526 mSolverCounterSat, 153 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 153 IncrementalHoareTripleChecker+Valid, 526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-12-06 20:29:26,863 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [130 Valid, 81 Invalid, 679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [153 Valid, 526 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-12-06 20:29:26,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2021-12-06 20:29:26,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 397. [2021-12-06 20:29:26,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 396 states have (on average 1.196969696969697) internal successors, (474), 396 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:29:26,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 474 transitions. [2021-12-06 20:29:26,879 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 474 transitions. Word has length 138 [2021-12-06 20:29:26,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:29:26,879 INFO L470 AbstractCegarLoop]: Abstraction has 397 states and 474 transitions. [2021-12-06 20:29:26,880 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.5) internal successors, (138), 3 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:29:26,880 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 474 transitions. [2021-12-06 20:29:26,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-12-06 20:29:26,884 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:29:26,884 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:29:26,884 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 20:29:26,884 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:29:26,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:29:26,885 INFO L85 PathProgramCache]: Analyzing trace with hash 839663373, now seen corresponding path program 1 times [2021-12-06 20:29:26,885 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:29:26,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257151720] [2021-12-06 20:29:26,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:29:26,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:29:26,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:26,963 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 20:29:26,963 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:29:26,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257151720] [2021-12-06 20:29:26,964 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257151720] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:29:26,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1559244397] [2021-12-06 20:29:26,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:29:26,964 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:29:26,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573cdfc5-d10b-4148-b83f-3e549381b8af/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:29:26,965 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573cdfc5-d10b-4148-b83f-3e549381b8af/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:29:26,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573cdfc5-d10b-4148-b83f-3e549381b8af/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-06 20:29:27,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:27,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 20:29:27,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:29:27,274 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 20:29:27,274 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:29:27,274 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1559244397] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:29:27,274 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 20:29:27,274 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-12-06 20:29:27,275 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801093003] [2021-12-06 20:29:27,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:29:27,276 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:29:27,276 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:29:27,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:29:27,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:29:27,277 INFO L87 Difference]: Start difference. First operand 397 states and 474 transitions. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:29:27,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:29:27,531 INFO L93 Difference]: Finished difference Result 1185 states and 1417 transitions. [2021-12-06 20:29:27,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:29:27,531 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 146 [2021-12-06 20:29:27,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:29:27,535 INFO L225 Difference]: With dead ends: 1185 [2021-12-06 20:29:27,535 INFO L226 Difference]: Without dead ends: 659 [2021-12-06 20:29:27,536 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:29:27,537 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 10 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 20:29:27,538 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 173 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 318 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 20:29:27,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2021-12-06 20:29:27,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 659. [2021-12-06 20:29:27,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 659 states, 658 states have (on average 1.155015197568389) internal successors, (760), 658 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:29:27,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 760 transitions. [2021-12-06 20:29:27,556 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 760 transitions. Word has length 146 [2021-12-06 20:29:27,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:29:27,557 INFO L470 AbstractCegarLoop]: Abstraction has 659 states and 760 transitions. [2021-12-06 20:29:27,557 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:29:27,557 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 760 transitions. [2021-12-06 20:29:27,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-12-06 20:29:27,559 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:29:27,559 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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] [2021-12-06 20:29:27,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573cdfc5-d10b-4148-b83f-3e549381b8af/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-06 20:29:27,760 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573cdfc5-d10b-4148-b83f-3e549381b8af/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:29:27,761 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:29:27,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:29:27,763 INFO L85 PathProgramCache]: Analyzing trace with hash 644818035, now seen corresponding path program 1 times [2021-12-06 20:29:27,763 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:29:27,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966432397] [2021-12-06 20:29:27,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:29:27,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:29:27,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:27,912 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-12-06 20:29:27,912 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:29:27,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966432397] [2021-12-06 20:29:27,913 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966432397] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:29:27,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [992868068] [2021-12-06 20:29:27,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:29:27,913 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:29:27,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573cdfc5-d10b-4148-b83f-3e549381b8af/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:29:27,914 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573cdfc5-d10b-4148-b83f-3e549381b8af/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:29:27,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573cdfc5-d10b-4148-b83f-3e549381b8af/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-06 20:29:27,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:27,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 20:29:27,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:29:28,164 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-12-06 20:29:28,164 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:29:28,164 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [992868068] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:29:28,164 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 20:29:28,164 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-12-06 20:29:28,165 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477877655] [2021-12-06 20:29:28,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:29:28,165 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:29:28,165 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:29:28,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:29:28,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:29:28,166 INFO L87 Difference]: Start difference. First operand 659 states and 760 transitions. Second operand has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:29:28,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:29:28,391 INFO L93 Difference]: Finished difference Result 1840 states and 2139 transitions. [2021-12-06 20:29:28,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:29:28,392 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 162 [2021-12-06 20:29:28,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:29:28,397 INFO L225 Difference]: With dead ends: 1840 [2021-12-06 20:29:28,397 INFO L226 Difference]: Without dead ends: 1183 [2021-12-06 20:29:28,398 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:29:28,399 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 13 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 20:29:28,399 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 18 Invalid, 355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 20:29:28,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2021-12-06 20:29:28,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 921. [2021-12-06 20:29:28,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 921 states, 920 states have (on average 1.1771739130434782) internal successors, (1083), 920 states have internal predecessors, (1083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:29:28,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1083 transitions. [2021-12-06 20:29:28,427 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1083 transitions. Word has length 162 [2021-12-06 20:29:28,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:29:28,427 INFO L470 AbstractCegarLoop]: Abstraction has 921 states and 1083 transitions. [2021-12-06 20:29:28,427 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:29:28,427 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1083 transitions. [2021-12-06 20:29:28,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-12-06 20:29:28,429 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:29:28,430 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-06 20:29:28,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573cdfc5-d10b-4148-b83f-3e549381b8af/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-06 20:29:28,630 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573cdfc5-d10b-4148-b83f-3e549381b8af/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:29:28,630 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:29:28,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:29:28,631 INFO L85 PathProgramCache]: Analyzing trace with hash -930063969, now seen corresponding path program 1 times [2021-12-06 20:29:28,631 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:29:28,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562565617] [2021-12-06 20:29:28,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:29:28,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:29:28,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:28,686 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 28 proven. 3 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-12-06 20:29:28,686 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:29:28,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562565617] [2021-12-06 20:29:28,686 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562565617] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:29:28,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1214764781] [2021-12-06 20:29:28,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:29:28,687 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:29:28,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573cdfc5-d10b-4148-b83f-3e549381b8af/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:29:28,688 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573cdfc5-d10b-4148-b83f-3e549381b8af/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:29:28,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573cdfc5-d10b-4148-b83f-3e549381b8af/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-06 20:29:28,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:28,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 20:29:28,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:29:28,919 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-12-06 20:29:28,920 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:29:28,920 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1214764781] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:29:28,920 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 20:29:28,920 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-12-06 20:29:28,920 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371061279] [2021-12-06 20:29:28,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:29:28,921 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:29:28,921 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:29:28,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:29:28,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:29:28,922 INFO L87 Difference]: Start difference. First operand 921 states and 1083 transitions. Second operand has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:29:29,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:29:29,173 INFO L93 Difference]: Finished difference Result 2495 states and 2955 transitions. [2021-12-06 20:29:29,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:29:29,173 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 167 [2021-12-06 20:29:29,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:29:29,181 INFO L225 Difference]: With dead ends: 2495 [2021-12-06 20:29:29,181 INFO L226 Difference]: Without dead ends: 1576 [2021-12-06 20:29:29,182 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:29:29,183 INFO L933 BasicCegarLoop]: 30 mSDtfsCounter, 20 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 20:29:29,184 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 35 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 20:29:29,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1576 states. [2021-12-06 20:29:29,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1576 to 921. [2021-12-06 20:29:29,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 921 states, 920 states have (on average 1.1771739130434782) internal successors, (1083), 920 states have internal predecessors, (1083), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:29:29,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1083 transitions. [2021-12-06 20:29:29,206 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1083 transitions. Word has length 167 [2021-12-06 20:29:29,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:29:29,207 INFO L470 AbstractCegarLoop]: Abstraction has 921 states and 1083 transitions. [2021-12-06 20:29:29,207 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:29:29,207 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1083 transitions. [2021-12-06 20:29:29,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-12-06 20:29:29,217 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 20:29:29,217 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 20:29:29,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573cdfc5-d10b-4148-b83f-3e549381b8af/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-12-06 20:29:29,417 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573cdfc5-d10b-4148-b83f-3e549381b8af/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:29:29,418 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 20:29:29,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 20:29:29,418 INFO L85 PathProgramCache]: Analyzing trace with hash 587963665, now seen corresponding path program 1 times [2021-12-06 20:29:29,418 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 20:29:29,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041704137] [2021-12-06 20:29:29,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:29:29,419 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 20:29:29,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:29,466 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 28 proven. 3 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-12-06 20:29:29,467 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 20:29:29,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041704137] [2021-12-06 20:29:29,467 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041704137] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 20:29:29,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1288098664] [2021-12-06 20:29:29,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 20:29:29,467 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:29:29,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573cdfc5-d10b-4148-b83f-3e549381b8af/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 20:29:29,468 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573cdfc5-d10b-4148-b83f-3e549381b8af/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 20:29:29,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573cdfc5-d10b-4148-b83f-3e549381b8af/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-06 20:29:29,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 20:29:29,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 20:29:29,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 20:29:29,741 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-12-06 20:29:29,742 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 20:29:29,742 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1288098664] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 20:29:29,742 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 20:29:29,742 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-12-06 20:29:29,742 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913528620] [2021-12-06 20:29:29,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 20:29:29,743 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 20:29:29,743 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 20:29:29,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 20:29:29,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:29:29,743 INFO L87 Difference]: Start difference. First operand 921 states and 1083 transitions. Second operand has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:29:29,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 20:29:29,967 INFO L93 Difference]: Finished difference Result 2493 states and 2933 transitions. [2021-12-06 20:29:29,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 20:29:29,967 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 187 [2021-12-06 20:29:29,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 20:29:29,967 INFO L225 Difference]: With dead ends: 2493 [2021-12-06 20:29:29,968 INFO L226 Difference]: Without dead ends: 0 [2021-12-06 20:29:29,969 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 20:29:29,970 INFO L933 BasicCegarLoop]: 161 mSDtfsCounter, 15 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 20:29:29,970 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 166 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 20:29:29,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-06 20:29:29,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-06 20:29:29,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:29:29,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-06 20:29:29,971 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 187 [2021-12-06 20:29:29,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 20:29:29,971 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 20:29:29,971 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.333333333333336) internal successors, (175), 3 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 20:29:29,972 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-06 20:29:29,972 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-06 20:29:29,973 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 20:29:30,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573cdfc5-d10b-4148-b83f-3e549381b8af/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-12-06 20:29:30,174 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573cdfc5-d10b-4148-b83f-3e549381b8af/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 20:29:30,176 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-06 20:29:30,216 INFO L858 garLoopResultBuilder]: For program point L564(line 564) no Hoare annotation was computed. [2021-12-06 20:29:30,216 INFO L858 garLoopResultBuilder]: For program point L531(line 531) no Hoare annotation was computed. [2021-12-06 20:29:30,216 INFO L858 garLoopResultBuilder]: For program point L498(line 498) no Hoare annotation was computed. [2021-12-06 20:29:30,216 INFO L858 garLoopResultBuilder]: For program point L465(line 465) no Hoare annotation was computed. [2021-12-06 20:29:30,216 INFO L858 garLoopResultBuilder]: For program point L432(line 432) no Hoare annotation was computed. [2021-12-06 20:29:30,216 INFO L858 garLoopResultBuilder]: For program point L102(lines 102 400) no Hoare annotation was computed. [2021-12-06 20:29:30,216 INFO L858 garLoopResultBuilder]: For program point L598(line 598) no Hoare annotation was computed. [2021-12-06 20:29:30,216 INFO L858 garLoopResultBuilder]: For program point L334(lines 334 400) no Hoare annotation was computed. [2021-12-06 20:29:30,216 INFO L858 garLoopResultBuilder]: For program point L566-1(lines 40 585) no Hoare annotation was computed. [2021-12-06 20:29:30,216 INFO L858 garLoopResultBuilder]: For program point L533-1(lines 40 585) no Hoare annotation was computed. [2021-12-06 20:29:30,216 INFO L858 garLoopResultBuilder]: For program point L500-1(lines 40 585) no Hoare annotation was computed. [2021-12-06 20:29:30,216 INFO L858 garLoopResultBuilder]: For program point L467-1(lines 40 585) no Hoare annotation was computed. [2021-12-06 20:29:30,217 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 403) no Hoare annotation was computed. [2021-12-06 20:29:30,217 INFO L858 garLoopResultBuilder]: For program point L434-1(lines 40 585) no Hoare annotation was computed. [2021-12-06 20:29:30,217 INFO L858 garLoopResultBuilder]: For program point L401-2(lines 40 585) no Hoare annotation was computed. [2021-12-06 20:29:30,217 INFO L858 garLoopResultBuilder]: For program point L302(lines 302 400) no Hoare annotation was computed. [2021-12-06 20:29:30,217 INFO L858 garLoopResultBuilder]: For program point L170(lines 170 400) no Hoare annotation was computed. [2021-12-06 20:29:30,217 INFO L858 garLoopResultBuilder]: For program point L567(line 567) no Hoare annotation was computed. [2021-12-06 20:29:30,217 INFO L858 garLoopResultBuilder]: For program point L534(line 534) no Hoare annotation was computed. [2021-12-06 20:29:30,217 INFO L858 garLoopResultBuilder]: For program point L501(line 501) no Hoare annotation was computed. [2021-12-06 20:29:30,217 INFO L858 garLoopResultBuilder]: For program point L468(line 468) no Hoare annotation was computed. [2021-12-06 20:29:30,217 INFO L858 garLoopResultBuilder]: For program point L435(line 435) no Hoare annotation was computed. [2021-12-06 20:29:30,217 INFO L858 garLoopResultBuilder]: For program point L402(line 402) no Hoare annotation was computed. [2021-12-06 20:29:30,217 INFO L858 garLoopResultBuilder]: For program point L204(lines 204 400) no Hoare annotation was computed. [2021-12-06 20:29:30,217 INFO L858 garLoopResultBuilder]: For program point L72(lines 72 400) no Hoare annotation was computed. [2021-12-06 20:29:30,217 INFO L858 garLoopResultBuilder]: For program point L271(lines 271 400) no Hoare annotation was computed. [2021-12-06 20:29:30,218 INFO L858 garLoopResultBuilder]: For program point L139(lines 139 400) no Hoare annotation was computed. [2021-12-06 20:29:30,218 INFO L858 garLoopResultBuilder]: For program point L569-1(lines 40 585) no Hoare annotation was computed. [2021-12-06 20:29:30,218 INFO L858 garLoopResultBuilder]: For program point L536-1(lines 40 585) no Hoare annotation was computed. [2021-12-06 20:29:30,218 INFO L858 garLoopResultBuilder]: For program point L503-1(lines 40 585) no Hoare annotation was computed. [2021-12-06 20:29:30,218 INFO L858 garLoopResultBuilder]: For program point L470-1(lines 40 585) no Hoare annotation was computed. [2021-12-06 20:29:30,218 INFO L858 garLoopResultBuilder]: For program point L437-1(lines 40 585) no Hoare annotation was computed. [2021-12-06 20:29:30,218 INFO L858 garLoopResultBuilder]: For program point L371(lines 371 400) no Hoare annotation was computed. [2021-12-06 20:29:30,218 INFO L858 garLoopResultBuilder]: For program point L404-1(lines 40 585) no Hoare annotation was computed. [2021-12-06 20:29:30,218 INFO L858 garLoopResultBuilder]: For program point L107(lines 107 400) no Hoare annotation was computed. [2021-12-06 20:29:30,219 INFO L858 garLoopResultBuilder]: For program point L41(lines 41 400) no Hoare annotation was computed. [2021-12-06 20:29:30,219 INFO L858 garLoopResultBuilder]: For program point L570(line 570) no Hoare annotation was computed. [2021-12-06 20:29:30,219 INFO L858 garLoopResultBuilder]: For program point L537(line 537) no Hoare annotation was computed. [2021-12-06 20:29:30,219 INFO L858 garLoopResultBuilder]: For program point L504(line 504) no Hoare annotation was computed. [2021-12-06 20:29:30,219 INFO L858 garLoopResultBuilder]: For program point L471(line 471) no Hoare annotation was computed. [2021-12-06 20:29:30,219 INFO L858 garLoopResultBuilder]: For program point L438(line 438) no Hoare annotation was computed. [2021-12-06 20:29:30,219 INFO L858 garLoopResultBuilder]: For program point L405(line 405) no Hoare annotation was computed. [2021-12-06 20:29:30,219 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 400) no Hoare annotation was computed. [2021-12-06 20:29:30,219 INFO L858 garLoopResultBuilder]: For program point L207(lines 207 400) no Hoare annotation was computed. [2021-12-06 20:29:30,220 INFO L858 garLoopResultBuilder]: For program point L75(lines 75 400) no Hoare annotation was computed. [2021-12-06 20:29:30,220 INFO L858 garLoopResultBuilder]: For program point L373(lines 373 400) no Hoare annotation was computed. [2021-12-06 20:29:30,220 INFO L858 garLoopResultBuilder]: For program point L241(lines 241 400) no Hoare annotation was computed. [2021-12-06 20:29:30,220 INFO L858 garLoopResultBuilder]: For program point L175(lines 175 400) no Hoare annotation was computed. [2021-12-06 20:29:30,220 INFO L858 garLoopResultBuilder]: For program point L572-1(lines 40 585) no Hoare annotation was computed. [2021-12-06 20:29:30,220 INFO L858 garLoopResultBuilder]: For program point L539-1(lines 40 585) no Hoare annotation was computed. [2021-12-06 20:29:30,220 INFO L858 garLoopResultBuilder]: For program point L506-1(lines 40 585) no Hoare annotation was computed. [2021-12-06 20:29:30,220 INFO L858 garLoopResultBuilder]: For program point L473-1(lines 40 585) no Hoare annotation was computed. [2021-12-06 20:29:30,220 INFO L858 garLoopResultBuilder]: For program point L440-1(lines 40 585) no Hoare annotation was computed. [2021-12-06 20:29:30,221 INFO L858 garLoopResultBuilder]: For program point L407-1(lines 40 585) no Hoare annotation was computed. [2021-12-06 20:29:30,221 INFO L858 garLoopResultBuilder]: For program point L275(lines 275 400) no Hoare annotation was computed. [2021-12-06 20:29:30,221 INFO L858 garLoopResultBuilder]: For program point L573(line 573) no Hoare annotation was computed. [2021-12-06 20:29:30,221 INFO L858 garLoopResultBuilder]: For program point L540(line 540) no Hoare annotation was computed. [2021-12-06 20:29:30,221 INFO L858 garLoopResultBuilder]: For program point L507(line 507) no Hoare annotation was computed. [2021-12-06 20:29:30,221 INFO L858 garLoopResultBuilder]: For program point L474(line 474) no Hoare annotation was computed. [2021-12-06 20:29:30,221 INFO L858 garLoopResultBuilder]: For program point L441(line 441) no Hoare annotation was computed. [2021-12-06 20:29:30,221 INFO L858 garLoopResultBuilder]: For program point L408(line 408) no Hoare annotation was computed. [2021-12-06 20:29:30,221 INFO L858 garLoopResultBuilder]: For program point L375(lines 375 400) no Hoare annotation was computed. [2021-12-06 20:29:30,221 INFO L858 garLoopResultBuilder]: For program point L309(lines 309 400) no Hoare annotation was computed. [2021-12-06 20:29:30,222 INFO L858 garLoopResultBuilder]: For program point L45(lines 45 400) no Hoare annotation was computed. [2021-12-06 20:29:30,222 INFO L858 garLoopResultBuilder]: For program point L343(lines 343 400) no Hoare annotation was computed. [2021-12-06 20:29:30,222 INFO L858 garLoopResultBuilder]: For program point L112(lines 112 400) no Hoare annotation was computed. [2021-12-06 20:29:30,222 INFO L858 garLoopResultBuilder]: For program point L575-1(lines 40 585) no Hoare annotation was computed. [2021-12-06 20:29:30,222 INFO L858 garLoopResultBuilder]: For program point L542-1(lines 40 585) no Hoare annotation was computed. [2021-12-06 20:29:30,222 INFO L858 garLoopResultBuilder]: For program point L509-1(lines 40 585) no Hoare annotation was computed. [2021-12-06 20:29:30,222 INFO L858 garLoopResultBuilder]: For program point L476-1(lines 40 585) no Hoare annotation was computed. [2021-12-06 20:29:30,222 INFO L858 garLoopResultBuilder]: For program point L443-1(lines 40 585) no Hoare annotation was computed. [2021-12-06 20:29:30,222 INFO L858 garLoopResultBuilder]: For program point L410-1(lines 40 585) no Hoare annotation was computed. [2021-12-06 20:29:30,223 INFO L858 garLoopResultBuilder]: For program point L278(lines 278 400) no Hoare annotation was computed. [2021-12-06 20:29:30,223 INFO L858 garLoopResultBuilder]: For program point L146(lines 146 400) no Hoare annotation was computed. [2021-12-06 20:29:30,223 INFO L858 garLoopResultBuilder]: For program point L576(line 576) no Hoare annotation was computed. [2021-12-06 20:29:30,223 INFO L858 garLoopResultBuilder]: For program point L543(line 543) no Hoare annotation was computed. [2021-12-06 20:29:30,223 INFO L858 garLoopResultBuilder]: For program point L510(line 510) no Hoare annotation was computed. [2021-12-06 20:29:30,223 INFO L858 garLoopResultBuilder]: For program point L477(line 477) no Hoare annotation was computed. [2021-12-06 20:29:30,223 INFO L858 garLoopResultBuilder]: For program point L444(line 444) no Hoare annotation was computed. [2021-12-06 20:29:30,223 INFO L858 garLoopResultBuilder]: For program point L411(line 411) no Hoare annotation was computed. [2021-12-06 20:29:30,223 INFO L858 garLoopResultBuilder]: For program point L213(lines 213 400) no Hoare annotation was computed. [2021-12-06 20:29:30,223 INFO L858 garLoopResultBuilder]: For program point L82(lines 82 400) no Hoare annotation was computed. [2021-12-06 20:29:30,224 INFO L858 garLoopResultBuilder]: For program point L578-1(lines 40 585) no Hoare annotation was computed. [2021-12-06 20:29:30,224 INFO L858 garLoopResultBuilder]: For program point L545-1(lines 40 585) no Hoare annotation was computed. [2021-12-06 20:29:30,224 INFO L858 garLoopResultBuilder]: For program point L512-1(lines 40 585) no Hoare annotation was computed. [2021-12-06 20:29:30,224 INFO L858 garLoopResultBuilder]: For program point L479-1(lines 40 585) no Hoare annotation was computed. [2021-12-06 20:29:30,224 INFO L858 garLoopResultBuilder]: For program point L446-1(lines 40 585) no Hoare annotation was computed. [2021-12-06 20:29:30,224 INFO L858 garLoopResultBuilder]: For program point L413-1(lines 40 585) no Hoare annotation was computed. [2021-12-06 20:29:30,224 INFO L858 garLoopResultBuilder]: For program point L347(lines 347 400) no Hoare annotation was computed. [2021-12-06 20:29:30,224 INFO L858 garLoopResultBuilder]: For program point L248(lines 248 400) no Hoare annotation was computed. [2021-12-06 20:29:30,224 INFO L858 garLoopResultBuilder]: For program point L579(line 579) no Hoare annotation was computed. [2021-12-06 20:29:30,225 INFO L858 garLoopResultBuilder]: For program point L546(line 546) no Hoare annotation was computed. [2021-12-06 20:29:30,225 INFO L858 garLoopResultBuilder]: For program point L513(line 513) no Hoare annotation was computed. [2021-12-06 20:29:30,225 INFO L858 garLoopResultBuilder]: For program point L480(line 480) no Hoare annotation was computed. [2021-12-06 20:29:30,225 INFO L858 garLoopResultBuilder]: For program point L447(line 447) no Hoare annotation was computed. [2021-12-06 20:29:30,225 INFO L858 garLoopResultBuilder]: For program point L414(line 414) no Hoare annotation was computed. [2021-12-06 20:29:30,225 INFO L858 garLoopResultBuilder]: For program point L183(lines 183 400) no Hoare annotation was computed. [2021-12-06 20:29:30,225 INFO L858 garLoopResultBuilder]: For program point L150(lines 150 400) no Hoare annotation was computed. [2021-12-06 20:29:30,225 INFO L858 garLoopResultBuilder]: For program point L382(lines 382 400) no Hoare annotation was computed. [2021-12-06 20:29:30,225 INFO L858 garLoopResultBuilder]: For program point L316(lines 316 400) no Hoare annotation was computed. [2021-12-06 20:29:30,226 INFO L858 garLoopResultBuilder]: For program point L283(lines 283 400) no Hoare annotation was computed. [2021-12-06 20:29:30,226 INFO L858 garLoopResultBuilder]: For program point L118(lines 118 400) no Hoare annotation was computed. [2021-12-06 20:29:30,226 INFO L858 garLoopResultBuilder]: For program point L581-1(lines 581 583) no Hoare annotation was computed. [2021-12-06 20:29:30,226 INFO L858 garLoopResultBuilder]: For program point L548-1(lines 40 585) no Hoare annotation was computed. [2021-12-06 20:29:30,226 INFO L858 garLoopResultBuilder]: For program point L515-1(lines 40 585) no Hoare annotation was computed. [2021-12-06 20:29:30,226 INFO L858 garLoopResultBuilder]: For program point L482-1(lines 40 585) no Hoare annotation was computed. [2021-12-06 20:29:30,226 INFO L858 garLoopResultBuilder]: For program point L449-1(lines 40 585) no Hoare annotation was computed. [2021-12-06 20:29:30,226 INFO L858 garLoopResultBuilder]: For program point L416-1(lines 40 585) no Hoare annotation was computed. [2021-12-06 20:29:30,226 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-06 20:29:30,226 INFO L858 garLoopResultBuilder]: For program point L218(lines 218 400) no Hoare annotation was computed. [2021-12-06 20:29:30,226 INFO L858 garLoopResultBuilder]: For program point L53(lines 53 400) no Hoare annotation was computed. [2021-12-06 20:29:30,226 INFO L858 garLoopResultBuilder]: For program point L582(line 582) no Hoare annotation was computed. [2021-12-06 20:29:30,226 INFO L858 garLoopResultBuilder]: For program point L549(line 549) no Hoare annotation was computed. [2021-12-06 20:29:30,226 INFO L858 garLoopResultBuilder]: For program point L516(line 516) no Hoare annotation was computed. [2021-12-06 20:29:30,227 INFO L858 garLoopResultBuilder]: For program point L483(line 483) no Hoare annotation was computed. [2021-12-06 20:29:30,227 INFO L858 garLoopResultBuilder]: For program point L450(line 450) no Hoare annotation was computed. [2021-12-06 20:29:30,227 INFO L858 garLoopResultBuilder]: For program point L417(line 417) no Hoare annotation was computed. [2021-12-06 20:29:30,227 INFO L858 garLoopResultBuilder]: For program point L154(lines 154 400) no Hoare annotation was computed. [2021-12-06 20:29:30,227 INFO L854 garLoopResultBuilder]: At program point L584(lines 40 585) the Hoare annotation is: (or (<= ~a20~0 0) (<= ~a8~0 13) (<= 5 ~a16~0) (not (= ~a7~0 1)) (<= 15 ~a8~0)) [2021-12-06 20:29:30,227 INFO L858 garLoopResultBuilder]: For program point L551-1(lines 40 585) no Hoare annotation was computed. [2021-12-06 20:29:30,227 INFO L858 garLoopResultBuilder]: For program point L518-1(lines 40 585) no Hoare annotation was computed. [2021-12-06 20:29:30,227 INFO L858 garLoopResultBuilder]: For program point L485-1(lines 40 585) no Hoare annotation was computed. [2021-12-06 20:29:30,227 INFO L858 garLoopResultBuilder]: For program point L452-1(lines 40 585) no Hoare annotation was computed. [2021-12-06 20:29:30,227 INFO L858 garLoopResultBuilder]: For program point L419-1(lines 40 585) no Hoare annotation was computed. [2021-12-06 20:29:30,227 INFO L858 garLoopResultBuilder]: For program point L188(lines 188 400) no Hoare annotation was computed. [2021-12-06 20:29:30,227 INFO L858 garLoopResultBuilder]: For program point L552(line 552) no Hoare annotation was computed. [2021-12-06 20:29:30,227 INFO L858 garLoopResultBuilder]: For program point L519(line 519) no Hoare annotation was computed. [2021-12-06 20:29:30,228 INFO L858 garLoopResultBuilder]: For program point L486(line 486) no Hoare annotation was computed. [2021-12-06 20:29:30,228 INFO L858 garLoopResultBuilder]: For program point L453(line 453) no Hoare annotation was computed. [2021-12-06 20:29:30,228 INFO L858 garLoopResultBuilder]: For program point L420(line 420) no Hoare annotation was computed. [2021-12-06 20:29:30,228 INFO L858 garLoopResultBuilder]: For program point L387(lines 387 400) no Hoare annotation was computed. [2021-12-06 20:29:30,228 INFO L858 garLoopResultBuilder]: For program point L288(lines 288 400) no Hoare annotation was computed. [2021-12-06 20:29:30,228 INFO L858 garLoopResultBuilder]: For program point L255(lines 255 400) no Hoare annotation was computed. [2021-12-06 20:29:30,228 INFO L858 garLoopResultBuilder]: For program point L90(lines 90 400) no Hoare annotation was computed. [2021-12-06 20:29:30,228 INFO L858 garLoopResultBuilder]: For program point L355(lines 355 400) no Hoare annotation was computed. [2021-12-06 20:29:30,228 INFO L858 garLoopResultBuilder]: For program point L322(lines 322 400) no Hoare annotation was computed. [2021-12-06 20:29:30,228 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-06 20:29:30,228 INFO L858 garLoopResultBuilder]: For program point L124(lines 124 400) no Hoare annotation was computed. [2021-12-06 20:29:30,228 INFO L861 garLoopResultBuilder]: At program point L587(lines 587 604) the Hoare annotation is: true [2021-12-06 20:29:30,228 INFO L858 garLoopResultBuilder]: For program point L554-1(lines 40 585) no Hoare annotation was computed. [2021-12-06 20:29:30,228 INFO L858 garLoopResultBuilder]: For program point L521-1(lines 40 585) no Hoare annotation was computed. [2021-12-06 20:29:30,228 INFO L858 garLoopResultBuilder]: For program point L488-1(lines 40 585) no Hoare annotation was computed. [2021-12-06 20:29:30,228 INFO L858 garLoopResultBuilder]: For program point L455-1(lines 40 585) no Hoare annotation was computed. [2021-12-06 20:29:30,229 INFO L858 garLoopResultBuilder]: For program point L422-1(lines 40 585) no Hoare annotation was computed. [2021-12-06 20:29:30,229 INFO L858 garLoopResultBuilder]: For program point L224(lines 224 400) no Hoare annotation was computed. [2021-12-06 20:29:30,229 INFO L858 garLoopResultBuilder]: For program point L158(lines 158 400) no Hoare annotation was computed. [2021-12-06 20:29:30,229 INFO L858 garLoopResultBuilder]: For program point L59(lines 59 400) no Hoare annotation was computed. [2021-12-06 20:29:30,229 INFO L858 garLoopResultBuilder]: For program point L555(line 555) no Hoare annotation was computed. [2021-12-06 20:29:30,229 INFO L858 garLoopResultBuilder]: For program point L522(line 522) no Hoare annotation was computed. [2021-12-06 20:29:30,229 INFO L858 garLoopResultBuilder]: For program point L489(line 489) no Hoare annotation was computed. [2021-12-06 20:29:30,229 INFO L858 garLoopResultBuilder]: For program point L456(line 456) no Hoare annotation was computed. [2021-12-06 20:29:30,229 INFO L858 garLoopResultBuilder]: For program point L423(line 423) no Hoare annotation was computed. [2021-12-06 20:29:30,230 INFO L858 garLoopResultBuilder]: For program point L94(lines 94 400) no Hoare annotation was computed. [2021-12-06 20:29:30,230 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-06 20:29:30,230 INFO L858 garLoopResultBuilder]: For program point L557-1(lines 40 585) no Hoare annotation was computed. [2021-12-06 20:29:30,230 INFO L858 garLoopResultBuilder]: For program point L524-1(lines 40 585) no Hoare annotation was computed. [2021-12-06 20:29:30,230 INFO L858 garLoopResultBuilder]: For program point L491-1(lines 40 585) no Hoare annotation was computed. [2021-12-06 20:29:30,230 INFO L858 garLoopResultBuilder]: For program point L458-1(lines 40 585) no Hoare annotation was computed. [2021-12-06 20:29:30,230 INFO L858 garLoopResultBuilder]: For program point L392(lines 392 400) no Hoare annotation was computed. [2021-12-06 20:29:30,230 INFO L858 garLoopResultBuilder]: For program point L425-1(lines 40 585) no Hoare annotation was computed. [2021-12-06 20:29:30,230 INFO L858 garLoopResultBuilder]: For program point L326(lines 326 400) no Hoare annotation was computed. [2021-12-06 20:29:30,230 INFO L858 garLoopResultBuilder]: For program point L260(lines 260 400) no Hoare annotation was computed. [2021-12-06 20:29:30,230 INFO L858 garLoopResultBuilder]: For program point L558(line 558) no Hoare annotation was computed. [2021-12-06 20:29:30,230 INFO L858 garLoopResultBuilder]: For program point L525(line 525) no Hoare annotation was computed. [2021-12-06 20:29:30,230 INFO L858 garLoopResultBuilder]: For program point L492(line 492) no Hoare annotation was computed. [2021-12-06 20:29:30,231 INFO L858 garLoopResultBuilder]: For program point L459(line 459) no Hoare annotation was computed. [2021-12-06 20:29:30,231 INFO L858 garLoopResultBuilder]: For program point L426(line 426) no Hoare annotation was computed. [2021-12-06 20:29:30,231 INFO L858 garLoopResultBuilder]: For program point L228(lines 228 400) no Hoare annotation was computed. [2021-12-06 20:29:30,231 INFO L858 garLoopResultBuilder]: For program point L162(lines 162 400) no Hoare annotation was computed. [2021-12-06 20:29:30,231 INFO L858 garLoopResultBuilder]: For program point L129(lines 129 400) no Hoare annotation was computed. [2021-12-06 20:29:30,231 INFO L858 garLoopResultBuilder]: For program point L328(lines 328 400) no Hoare annotation was computed. [2021-12-06 20:29:30,231 INFO L858 garLoopResultBuilder]: For program point L196(lines 196 400) no Hoare annotation was computed. [2021-12-06 20:29:30,231 INFO L858 garLoopResultBuilder]: For program point L64(lines 64 400) no Hoare annotation was computed. [2021-12-06 20:29:30,231 INFO L858 garLoopResultBuilder]: For program point L560-1(lines 40 585) no Hoare annotation was computed. [2021-12-06 20:29:30,232 INFO L854 garLoopResultBuilder]: At program point L593-2(lines 593 603) the Hoare annotation is: (or (<= ~a20~0 0) (<= ~a8~0 13) (<= 5 ~a16~0) (not (= ~a7~0 1)) (<= 15 ~a8~0)) [2021-12-06 20:29:30,232 INFO L858 garLoopResultBuilder]: For program point L527-1(lines 40 585) no Hoare annotation was computed. [2021-12-06 20:29:30,232 INFO L858 garLoopResultBuilder]: For program point L494-1(lines 40 585) no Hoare annotation was computed. [2021-12-06 20:29:30,232 INFO L858 garLoopResultBuilder]: For program point L461-1(lines 40 585) no Hoare annotation was computed. [2021-12-06 20:29:30,232 INFO L858 garLoopResultBuilder]: For program point L428-1(lines 40 585) no Hoare annotation was computed. [2021-12-06 20:29:30,232 INFO L858 garLoopResultBuilder]: For program point L296(lines 296 400) no Hoare annotation was computed. [2021-12-06 20:29:30,232 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-06 20:29:30,232 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 579) no Hoare annotation was computed. [2021-12-06 20:29:30,232 INFO L858 garLoopResultBuilder]: For program point L561(line 561) no Hoare annotation was computed. [2021-12-06 20:29:30,233 INFO L858 garLoopResultBuilder]: For program point L528(line 528) no Hoare annotation was computed. [2021-12-06 20:29:30,233 INFO L858 garLoopResultBuilder]: For program point L495(line 495) no Hoare annotation was computed. [2021-12-06 20:29:30,233 INFO L858 garLoopResultBuilder]: For program point L462(line 462) no Hoare annotation was computed. [2021-12-06 20:29:30,233 INFO L858 garLoopResultBuilder]: For program point L429(line 429) no Hoare annotation was computed. [2021-12-06 20:29:30,233 INFO L858 garLoopResultBuilder]: For program point L363(lines 363 400) no Hoare annotation was computed. [2021-12-06 20:29:30,233 INFO L858 garLoopResultBuilder]: For program point L199(lines 199 400) no Hoare annotation was computed. [2021-12-06 20:29:30,233 INFO L858 garLoopResultBuilder]: For program point L563-1(lines 40 585) no Hoare annotation was computed. [2021-12-06 20:29:30,233 INFO L858 garLoopResultBuilder]: For program point L530-1(lines 40 585) no Hoare annotation was computed. [2021-12-06 20:29:30,233 INFO L858 garLoopResultBuilder]: For program point L497-1(lines 40 585) no Hoare annotation was computed. [2021-12-06 20:29:30,233 INFO L858 garLoopResultBuilder]: For program point L464-1(lines 40 585) no Hoare annotation was computed. [2021-12-06 20:29:30,234 INFO L858 garLoopResultBuilder]: For program point L431-1(lines 40 585) no Hoare annotation was computed. [2021-12-06 20:29:30,234 INFO L858 garLoopResultBuilder]: For program point L365(lines 365 400) no Hoare annotation was computed. [2021-12-06 20:29:30,234 INFO L858 garLoopResultBuilder]: For program point L266(lines 266 400) no Hoare annotation was computed. [2021-12-06 20:29:30,234 INFO L858 garLoopResultBuilder]: For program point L233(lines 233 400) no Hoare annotation was computed. [2021-12-06 20:29:30,234 INFO L858 garLoopResultBuilder]: For program point L134(lines 134 400) no Hoare annotation was computed. [2021-12-06 20:29:30,237 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-12-06 20:29:30,238 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 20:29:30,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 08:29:30 BoogieIcfgContainer [2021-12-06 20:29:30,252 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 20:29:30,252 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 20:29:30,253 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 20:29:30,253 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 20:29:30,253 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 08:29:24" (3/4) ... [2021-12-06 20:29:30,256 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-06 20:29:30,276 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-06 20:29:30,277 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-06 20:29:30,278 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-06 20:29:30,279 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-06 20:29:30,355 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573cdfc5-d10b-4148-b83f-3e549381b8af/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 20:29:30,355 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 20:29:30,356 INFO L158 Benchmark]: Toolchain (without parser) took 6666.26ms. Allocated memory was 132.1MB in the beginning and 207.6MB in the end (delta: 75.5MB). Free memory was 87.7MB in the beginning and 58.0MB in the end (delta: 29.7MB). Peak memory consumption was 105.2MB. Max. memory is 16.1GB. [2021-12-06 20:29:30,356 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 132.1MB. Free memory is still 105.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 20:29:30,356 INFO L158 Benchmark]: CACSL2BoogieTranslator took 348.40ms. Allocated memory is still 132.1MB. Free memory was 87.5MB in the beginning and 87.9MB in the end (delta: -426.5kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-06 20:29:30,356 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.20ms. Allocated memory is still 132.1MB. Free memory was 87.9MB in the beginning and 82.2MB in the end (delta: 5.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-06 20:29:30,356 INFO L158 Benchmark]: Boogie Preprocessor took 46.36ms. Allocated memory is still 132.1MB. Free memory was 82.2MB in the beginning and 77.4MB in the end (delta: 4.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-06 20:29:30,357 INFO L158 Benchmark]: RCFGBuilder took 770.17ms. Allocated memory is still 132.1MB. Free memory was 77.4MB in the beginning and 82.9MB in the end (delta: -5.5MB). Peak memory consumption was 42.7MB. Max. memory is 16.1GB. [2021-12-06 20:29:30,357 INFO L158 Benchmark]: TraceAbstraction took 5337.01ms. Allocated memory was 132.1MB in the beginning and 207.6MB in the end (delta: 75.5MB). Free memory was 82.9MB in the beginning and 72.6MB in the end (delta: 10.3MB). Peak memory consumption was 85.3MB. Max. memory is 16.1GB. [2021-12-06 20:29:30,357 INFO L158 Benchmark]: Witness Printer took 102.75ms. Allocated memory is still 207.6MB. Free memory was 72.6MB in the beginning and 58.0MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-06 20:29:30,359 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 132.1MB. Free memory is still 105.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 348.40ms. Allocated memory is still 132.1MB. Free memory was 87.5MB in the beginning and 87.9MB in the end (delta: -426.5kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.20ms. Allocated memory is still 132.1MB. Free memory was 87.9MB in the beginning and 82.2MB in the end (delta: 5.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.36ms. Allocated memory is still 132.1MB. Free memory was 82.2MB in the beginning and 77.4MB in the end (delta: 4.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 770.17ms. Allocated memory is still 132.1MB. Free memory was 77.4MB in the beginning and 82.9MB in the end (delta: -5.5MB). Peak memory consumption was 42.7MB. Max. memory is 16.1GB. * TraceAbstraction took 5337.01ms. Allocated memory was 132.1MB in the beginning and 207.6MB in the end (delta: 75.5MB). Free memory was 82.9MB in the beginning and 72.6MB in the end (delta: 10.3MB). Peak memory consumption was 85.3MB. Max. memory is 16.1GB. * Witness Printer took 102.75ms. Allocated memory is still 207.6MB. Free memory was 72.6MB in the beginning and 58.0MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 579]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 198 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.3s, OverallIterations: 6, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 478 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 478 mSDsluCounter, 554 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 47 mSDsCounter, 550 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2414 IncrementalHoareTripleChecker+Invalid, 2964 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 550 mSolverCounterUnsat, 507 mSDtfsCounter, 2414 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 677 GetRequests, 660 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=921occurred in iteration=4, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 1048 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 34 NumberOfFragments, 35 HoareAnnotationTreeSize, 3 FomulaSimplifications, 750 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 1593 NumberOfCodeBlocks, 1593 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1583 ConstructedInterpolants, 0 QuantifiedInterpolants, 6957 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1316 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 10 InterpolantComputations, 6 PerfectInterpolantSequences, 370/382 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: (((a20 <= 0 || a8 <= 13) || 5 <= a16) || !(a7 == 1)) || 15 <= a8 - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: (((a20 <= 0 || a8 <= 13) || 5 <= a16) || !(a7 == 1)) || 15 <= a8 RESULT: Ultimate proved your program to be correct! [2021-12-06 20:29:30,400 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573cdfc5-d10b-4148-b83f-3e549381b8af/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE