./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label00.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e5efc3-13ad-4dcf-94db-1873f8d2124e/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e5efc3-13ad-4dcf-94db-1873f8d2124e/bin/uautomizer-wIGwrQj20G/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e5efc3-13ad-4dcf-94db-1873f8d2124e/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e5efc3-13ad-4dcf-94db-1873f8d2124e/bin/uautomizer-wIGwrQj20G/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label00.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e5efc3-13ad-4dcf-94db-1873f8d2124e/bin/uautomizer-wIGwrQj20G/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e5efc3-13ad-4dcf-94db-1873f8d2124e/bin/uautomizer-wIGwrQj20G --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 ef0fc431edab04e2bc46b00be67c275761704e057ac7d10029420dfecba76e3a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 13:54:56,872 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 13:54:56,874 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 13:54:56,943 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 13:54:56,944 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 13:54:56,949 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 13:54:56,952 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 13:54:56,960 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 13:54:56,962 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 13:54:56,965 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 13:54:56,966 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 13:54:56,968 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 13:54:56,968 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 13:54:56,985 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 13:54:56,988 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 13:54:56,991 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 13:54:56,992 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 13:54:56,994 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 13:54:56,998 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 13:54:57,007 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 13:54:57,009 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 13:54:57,010 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 13:54:57,013 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 13:54:57,014 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 13:54:57,023 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 13:54:57,024 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 13:54:57,024 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 13:54:57,026 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 13:54:57,027 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 13:54:57,029 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 13:54:57,029 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 13:54:57,030 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 13:54:57,032 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 13:54:57,033 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 13:54:57,035 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 13:54:57,035 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 13:54:57,036 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 13:54:57,036 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 13:54:57,037 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 13:54:57,038 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 13:54:57,039 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 13:54:57,040 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e5efc3-13ad-4dcf-94db-1873f8d2124e/bin/uautomizer-wIGwrQj20G/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-23 13:54:57,084 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 13:54:57,084 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 13:54:57,085 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 13:54:57,085 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 13:54:57,086 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 13:54:57,087 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 13:54:57,087 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 13:54:57,087 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 13:54:57,087 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 13:54:57,088 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 13:54:57,089 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 13:54:57,089 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 13:54:57,089 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 13:54:57,089 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 13:54:57,090 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 13:54:57,090 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 13:54:57,090 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 13:54:57,090 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 13:54:57,090 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 13:54:57,091 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 13:54:57,091 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 13:54:57,091 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 13:54:57,091 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 13:54:57,092 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 13:54:57,092 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 13:54:57,092 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 13:54:57,092 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 13:54:57,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 13:54:57,093 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-23 13:54:57,093 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-23 13:54:57,093 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 13:54:57,093 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 13:54:57,094 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_b6e5efc3-13ad-4dcf-94db-1873f8d2124e/bin/uautomizer-wIGwrQj20G/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e5efc3-13ad-4dcf-94db-1873f8d2124e/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef0fc431edab04e2bc46b00be67c275761704e057ac7d10029420dfecba76e3a [2021-11-23 13:54:57,458 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 13:54:57,504 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 13:54:57,507 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 13:54:57,508 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 13:54:57,509 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 13:54:57,511 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e5efc3-13ad-4dcf-94db-1873f8d2124e/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/eca-rers2012/Problem01_label00.c [2021-11-23 13:54:57,607 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e5efc3-13ad-4dcf-94db-1873f8d2124e/bin/uautomizer-wIGwrQj20G/data/698f33fca/fecbe7554d714f6ea3cc193604bd619f/FLAGb5def9eef [2021-11-23 13:54:58,422 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 13:54:58,422 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e5efc3-13ad-4dcf-94db-1873f8d2124e/sv-benchmarks/c/eca-rers2012/Problem01_label00.c [2021-11-23 13:54:58,449 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e5efc3-13ad-4dcf-94db-1873f8d2124e/bin/uautomizer-wIGwrQj20G/data/698f33fca/fecbe7554d714f6ea3cc193604bd619f/FLAGb5def9eef [2021-11-23 13:54:58,660 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e5efc3-13ad-4dcf-94db-1873f8d2124e/bin/uautomizer-wIGwrQj20G/data/698f33fca/fecbe7554d714f6ea3cc193604bd619f [2021-11-23 13:54:58,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 13:54:58,664 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 13:54:58,666 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 13:54:58,667 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 13:54:58,671 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 13:54:58,672 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:54:58" (1/1) ... [2021-11-23 13:54:58,674 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44948186 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:58, skipping insertion in model container [2021-11-23 13:54:58,674 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:54:58" (1/1) ... [2021-11-23 13:54:58,682 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 13:54:58,726 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 13:54:59,132 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_b6e5efc3-13ad-4dcf-94db-1873f8d2124e/sv-benchmarks/c/eca-rers2012/Problem01_label00.c[18976,18989] [2021-11-23 13:54:59,182 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 13:54:59,203 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 13:54:59,345 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_b6e5efc3-13ad-4dcf-94db-1873f8d2124e/sv-benchmarks/c/eca-rers2012/Problem01_label00.c[18976,18989] [2021-11-23 13:54:59,358 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 13:54:59,376 INFO L208 MainTranslator]: Completed translation [2021-11-23 13:54:59,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:59 WrapperNode [2021-11-23 13:54:59,377 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 13:54:59,379 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 13:54:59,379 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 13:54:59,379 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 13:54:59,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:59" (1/1) ... [2021-11-23 13:54:59,411 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:59" (1/1) ... [2021-11-23 13:54:59,489 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 657 [2021-11-23 13:54:59,490 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 13:54:59,492 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 13:54:59,492 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 13:54:59,492 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 13:54:59,503 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:59" (1/1) ... [2021-11-23 13:54:59,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:59" (1/1) ... [2021-11-23 13:54:59,520 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:59" (1/1) ... [2021-11-23 13:54:59,530 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:59" (1/1) ... [2021-11-23 13:54:59,568 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:59" (1/1) ... [2021-11-23 13:54:59,580 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:59" (1/1) ... [2021-11-23 13:54:59,585 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:59" (1/1) ... [2021-11-23 13:54:59,593 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 13:54:59,594 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 13:54:59,594 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 13:54:59,595 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 13:54:59,612 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:59" (1/1) ... [2021-11-23 13:54:59,621 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 13:54:59,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e5efc3-13ad-4dcf-94db-1873f8d2124e/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:54:59,650 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e5efc3-13ad-4dcf-94db-1873f8d2124e/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 13:54:59,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e5efc3-13ad-4dcf-94db-1873f8d2124e/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 13:54:59,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 13:54:59,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 13:54:59,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 13:54:59,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 13:54:59,835 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 13:54:59,837 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 13:55:00,921 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 13:55:00,931 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 13:55:00,931 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 13:55:00,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:55:00 BoogieIcfgContainer [2021-11-23 13:55:00,934 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 13:55:00,936 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 13:55:00,936 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 13:55:00,940 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 13:55:00,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:54:58" (1/3) ... [2021-11-23 13:55:00,941 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f311db1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:55:00, skipping insertion in model container [2021-11-23 13:55:00,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:54:59" (2/3) ... [2021-11-23 13:55:00,942 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f311db1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:55:00, skipping insertion in model container [2021-11-23 13:55:00,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:55:00" (3/3) ... [2021-11-23 13:55:00,944 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label00.c [2021-11-23 13:55:00,950 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 13:55:00,950 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 13:55:01,010 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 13:55:01,018 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 [2021-11-23 13:55:01,018 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 13:55:01,042 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) [2021-11-23 13:55:01,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-23 13:55:01,057 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:55:01,058 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] [2021-11-23 13:55:01,058 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 13:55:01,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:55:01,065 INFO L85 PathProgramCache]: Analyzing trace with hash -1766677921, now seen corresponding path program 1 times [2021-11-23 13:55:01,075 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:55:01,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860271426] [2021-11-23 13:55:01,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:55:01,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:55:01,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:55:01,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:55:01,766 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:55:01,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860271426] [2021-11-23 13:55:01,767 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860271426] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:55:01,768 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:55:01,768 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 13:55:01,771 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280201233] [2021-11-23 13:55:01,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:55:01,780 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 13:55:01,780 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:55:01,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 13:55:01,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 13:55:01,819 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 27.0) internal successors, (108), 3 states have internal predecessors, (108), 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) [2021-11-23 13:55:03,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:55:03,105 INFO L93 Difference]: Finished difference Result 662 states and 1178 transitions. [2021-11-23 13:55:03,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 13:55:03,107 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 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 108 [2021-11-23 13:55:03,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:55:03,141 INFO L225 Difference]: With dead ends: 662 [2021-11-23 13:55:03,142 INFO L226 Difference]: Without dead ends: 397 [2021-11-23 13:55:03,151 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 [2021-11-23 13:55:03,156 INFO L933 BasicCegarLoop]: 65 mSDtfsCounter, 336 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 648 mSolverCounterSat, 240 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 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, 1.1s IncrementalHoareTripleChecker+Time [2021-11-23 13:55:03,160 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [336 Valid, 81 Invalid, 888 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [240 Valid, 648 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-23 13:55:03,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2021-11-23 13:55:03,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 397. [2021-11-23 13:55:03,258 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) [2021-11-23 13:55:03,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 517 transitions. [2021-11-23 13:55:03,261 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 517 transitions. Word has length 108 [2021-11-23 13:55:03,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:55:03,262 INFO L470 AbstractCegarLoop]: Abstraction has 397 states and 517 transitions. [2021-11-23 13:55:03,263 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.0) internal successors, (108), 3 states have internal predecessors, (108), 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) [2021-11-23 13:55:03,263 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 517 transitions. [2021-11-23 13:55:03,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 13:55:03,268 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:55:03,269 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] [2021-11-23 13:55:03,269 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 13:55:03,269 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 13:55:03,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:55:03,271 INFO L85 PathProgramCache]: Analyzing trace with hash -1128519054, now seen corresponding path program 1 times [2021-11-23 13:55:03,271 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:55:03,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599186933] [2021-11-23 13:55:03,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:55:03,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:55:03,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:55:03,604 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:55:03,604 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:55:03,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599186933] [2021-11-23 13:55:03,605 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599186933] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:55:03,606 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 13:55:03,606 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 13:55:03,606 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526781531] [2021-11-23 13:55:03,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:55:03,608 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 13:55:03,610 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:55:03,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 13:55:03,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-23 13:55:03,612 INFO L87 Difference]: Start difference. First operand 397 states and 517 transitions. Second operand has 4 states, 4 states have (on average 28.75) internal successors, (115), 3 states have internal predecessors, (115), 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) [2021-11-23 13:55:04,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:55:04,446 INFO L93 Difference]: Finished difference Result 887 states and 1235 transitions. [2021-11-23 13:55:04,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 13:55:04,447 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 3 states have internal predecessors, (115), 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 115 [2021-11-23 13:55:04,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:55:04,450 INFO L225 Difference]: With dead ends: 887 [2021-11-23 13:55:04,450 INFO L226 Difference]: Without dead ends: 528 [2021-11-23 13:55:04,451 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 [2021-11-23 13:55:04,453 INFO L933 BasicCegarLoop]: 71 mSDtfsCounter, 131 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 526 mSolverCounterSat, 154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 154 IncrementalHoareTripleChecker+Valid, 526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-11-23 13:55:04,454 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [131 Valid, 81 Invalid, 680 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [154 Valid, 526 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-11-23 13:55:04,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2021-11-23 13:55:04,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 397. [2021-11-23 13:55:04,472 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) [2021-11-23 13:55:04,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 474 transitions. [2021-11-23 13:55:04,474 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 474 transitions. Word has length 115 [2021-11-23 13:55:04,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:55:04,475 INFO L470 AbstractCegarLoop]: Abstraction has 397 states and 474 transitions. [2021-11-23 13:55:04,475 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 3 states have internal predecessors, (115), 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) [2021-11-23 13:55:04,476 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 474 transitions. [2021-11-23 13:55:04,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-23 13:55:04,482 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:55:04,482 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] [2021-11-23 13:55:04,482 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 13:55:04,483 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 13:55:04,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:55:04,484 INFO L85 PathProgramCache]: Analyzing trace with hash 904621488, now seen corresponding path program 1 times [2021-11-23 13:55:04,484 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:55:04,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861560787] [2021-11-23 13:55:04,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:55:04,485 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:55:04,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:55:04,564 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:55:04,565 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:55:04,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861560787] [2021-11-23 13:55:04,571 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861560787] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 13:55:04,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [73827067] [2021-11-23 13:55:04,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:55:04,574 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 13:55:04,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e5efc3-13ad-4dcf-94db-1873f8d2124e/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:55:04,575 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e5efc3-13ad-4dcf-94db-1873f8d2124e/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 13:55:04,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e5efc3-13ad-4dcf-94db-1873f8d2124e/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-23 13:55:04,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:55:04,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 13:55:04,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 13:55:05,039 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 13:55:05,040 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 13:55:05,040 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [73827067] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:55:05,040 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-23 13:55:05,040 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-11-23 13:55:05,041 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746015965] [2021-11-23 13:55:05,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:55:05,042 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 13:55:05,042 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:55:05,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 13:55:05,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 13:55:05,043 INFO L87 Difference]: Start difference. First operand 397 states and 474 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 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) [2021-11-23 13:55:05,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:55:05,480 INFO L93 Difference]: Finished difference Result 923 states and 1124 transitions. [2021-11-23 13:55:05,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 13:55:05,482 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 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 123 [2021-11-23 13:55:05,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:55:05,489 INFO L225 Difference]: With dead ends: 923 [2021-11-23 13:55:05,489 INFO L226 Difference]: Without dead ends: 528 [2021-11-23 13:55:05,490 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 13:55:05,491 INFO L933 BasicCegarLoop]: 167 mSDtfsCounter, 32 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-23 13:55:05,492 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 173 Invalid, 352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-23 13:55:05,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2021-11-23 13:55:05,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 528. [2021-11-23 13:55:05,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 527 states have (on average 1.1935483870967742) internal successors, (629), 527 states have internal predecessors, (629), 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) [2021-11-23 13:55:05,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 629 transitions. [2021-11-23 13:55:05,518 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 629 transitions. Word has length 123 [2021-11-23 13:55:05,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:55:05,520 INFO L470 AbstractCegarLoop]: Abstraction has 528 states and 629 transitions. [2021-11-23 13:55:05,520 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 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) [2021-11-23 13:55:05,520 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 629 transitions. [2021-11-23 13:55:05,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-11-23 13:55:05,534 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:55:05,534 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] [2021-11-23 13:55:05,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e5efc3-13ad-4dcf-94db-1873f8d2124e/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-23 13:55:05,759 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e5efc3-13ad-4dcf-94db-1873f8d2124e/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 13:55:05,759 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 13:55:05,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:55:05,760 INFO L85 PathProgramCache]: Analyzing trace with hash -981916918, now seen corresponding path program 1 times [2021-11-23 13:55:05,760 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:55:05,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723044975] [2021-11-23 13:55:05,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:55:05,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:55:05,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:55:05,871 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-23 13:55:05,871 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:55:05,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723044975] [2021-11-23 13:55:05,871 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723044975] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 13:55:05,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [740153667] [2021-11-23 13:55:05,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:55:05,873 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 13:55:05,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e5efc3-13ad-4dcf-94db-1873f8d2124e/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:55:05,875 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e5efc3-13ad-4dcf-94db-1873f8d2124e/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 13:55:05,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e5efc3-13ad-4dcf-94db-1873f8d2124e/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-23 13:55:05,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:55:05,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 13:55:06,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 13:55:06,418 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-11-23 13:55:06,418 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 13:55:06,419 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [740153667] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:55:06,419 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-23 13:55:06,419 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-11-23 13:55:06,419 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221832814] [2021-11-23 13:55:06,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:55:06,420 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 13:55:06,421 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:55:06,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 13:55:06,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 13:55:06,422 INFO L87 Difference]: Start difference. First operand 528 states and 629 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 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) [2021-11-23 13:55:06,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:55:06,891 INFO L93 Difference]: Finished difference Result 1447 states and 1748 transitions. [2021-11-23 13:55:06,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 13:55:06,895 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 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 139 [2021-11-23 13:55:06,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:55:06,901 INFO L225 Difference]: With dead ends: 1447 [2021-11-23 13:55:06,901 INFO L226 Difference]: Without dead ends: 921 [2021-11-23 13:55:06,902 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 13:55:06,904 INFO L933 BasicCegarLoop]: 185 mSDtfsCounter, 30 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 328 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-23 13:55:06,904 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 191 Invalid, 362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 328 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-23 13:55:06,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2021-11-23 13:55:06,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 921. [2021-11-23 13:55:06,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 921 states, 920 states have (on average 1.1869565217391305) internal successors, (1092), 920 states have internal predecessors, (1092), 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) [2021-11-23 13:55:06,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1092 transitions. [2021-11-23 13:55:06,946 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1092 transitions. Word has length 139 [2021-11-23 13:55:06,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:55:06,948 INFO L470 AbstractCegarLoop]: Abstraction has 921 states and 1092 transitions. [2021-11-23 13:55:06,948 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 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) [2021-11-23 13:55:06,949 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1092 transitions. [2021-11-23 13:55:06,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2021-11-23 13:55:06,954 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 13:55:06,955 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2021-11-23 13:55:06,984 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e5efc3-13ad-4dcf-94db-1873f8d2124e/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-23 13:55:07,167 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e5efc3-13ad-4dcf-94db-1873f8d2124e/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 13:55:07,167 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 13:55:07,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:55:07,168 INFO L85 PathProgramCache]: Analyzing trace with hash -695153591, now seen corresponding path program 1 times [2021-11-23 13:55:07,168 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:55:07,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81668660] [2021-11-23 13:55:07,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:55:07,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:55:07,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:55:07,235 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 42 proven. 3 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-11-23 13:55:07,236 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 13:55:07,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81668660] [2021-11-23 13:55:07,239 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81668660] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-23 13:55:07,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1975444072] [2021-11-23 13:55:07,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:55:07,240 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 13:55:07,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e5efc3-13ad-4dcf-94db-1873f8d2124e/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:55:07,250 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e5efc3-13ad-4dcf-94db-1873f8d2124e/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-23 13:55:07,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e5efc3-13ad-4dcf-94db-1873f8d2124e/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-23 13:55:07,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:55:07,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 13:55:07,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 13:55:07,670 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2021-11-23 13:55:07,671 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 13:55:07,671 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1975444072] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 13:55:07,671 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-23 13:55:07,671 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-11-23 13:55:07,672 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42878078] [2021-11-23 13:55:07,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 13:55:07,673 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 13:55:07,673 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 13:55:07,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 13:55:07,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 13:55:07,674 INFO L87 Difference]: Start difference. First operand 921 states and 1092 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 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) [2021-11-23 13:55:08,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 13:55:08,076 INFO L93 Difference]: Finished difference Result 2624 states and 3092 transitions. [2021-11-23 13:55:08,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 13:55:08,077 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 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 153 [2021-11-23 13:55:08,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 13:55:08,078 INFO L225 Difference]: With dead ends: 2624 [2021-11-23 13:55:08,078 INFO L226 Difference]: Without dead ends: 0 [2021-11-23 13:55:08,080 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 13:55:08,083 INFO L933 BasicCegarLoop]: 183 mSDtfsCounter, 26 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2021-11-23 13:55:08,085 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [26 Valid, 188 Invalid, 362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2021-11-23 13:55:08,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-23 13:55:08,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-23 13:55:08,088 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) [2021-11-23 13:55:08,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-23 13:55:08,089 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 153 [2021-11-23 13:55:08,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 13:55:08,090 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 13:55:08,090 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 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) [2021-11-23 13:55:08,090 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-23 13:55:08,091 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 13:55:08,094 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-23 13:55:08,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e5efc3-13ad-4dcf-94db-1873f8d2124e/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-23 13:55:08,307 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e5efc3-13ad-4dcf-94db-1873f8d2124e/bin/uautomizer-wIGwrQj20G/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-23 13:55:08,309 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-23 13:55:08,351 INFO L858 garLoopResultBuilder]: For program point L564(line 564) no Hoare annotation was computed. [2021-11-23 13:55:08,352 INFO L858 garLoopResultBuilder]: For program point L531(line 531) no Hoare annotation was computed. [2021-11-23 13:55:08,352 INFO L858 garLoopResultBuilder]: For program point L498(line 498) no Hoare annotation was computed. [2021-11-23 13:55:08,352 INFO L858 garLoopResultBuilder]: For program point L465(line 465) no Hoare annotation was computed. [2021-11-23 13:55:08,352 INFO L858 garLoopResultBuilder]: For program point L432(line 432) no Hoare annotation was computed. [2021-11-23 13:55:08,353 INFO L858 garLoopResultBuilder]: For program point L102(lines 102 400) no Hoare annotation was computed. [2021-11-23 13:55:08,353 INFO L858 garLoopResultBuilder]: For program point L598(line 598) no Hoare annotation was computed. [2021-11-23 13:55:08,353 INFO L858 garLoopResultBuilder]: For program point L334(lines 334 400) no Hoare annotation was computed. [2021-11-23 13:55:08,353 INFO L858 garLoopResultBuilder]: For program point L566-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 13:55:08,353 INFO L858 garLoopResultBuilder]: For program point L533-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 13:55:08,353 INFO L858 garLoopResultBuilder]: For program point L500-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 13:55:08,354 INFO L858 garLoopResultBuilder]: For program point L467-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 13:55:08,354 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 403) no Hoare annotation was computed. [2021-11-23 13:55:08,354 INFO L858 garLoopResultBuilder]: For program point L434-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 13:55:08,355 INFO L858 garLoopResultBuilder]: For program point L401-2(lines 40 585) no Hoare annotation was computed. [2021-11-23 13:55:08,355 INFO L858 garLoopResultBuilder]: For program point L302(lines 302 400) no Hoare annotation was computed. [2021-11-23 13:55:08,358 INFO L858 garLoopResultBuilder]: For program point L170(lines 170 400) no Hoare annotation was computed. [2021-11-23 13:55:08,359 INFO L858 garLoopResultBuilder]: For program point L567(line 567) no Hoare annotation was computed. [2021-11-23 13:55:08,359 INFO L858 garLoopResultBuilder]: For program point L534(line 534) no Hoare annotation was computed. [2021-11-23 13:55:08,359 INFO L858 garLoopResultBuilder]: For program point L501(line 501) no Hoare annotation was computed. [2021-11-23 13:55:08,359 INFO L858 garLoopResultBuilder]: For program point L468(line 468) no Hoare annotation was computed. [2021-11-23 13:55:08,360 INFO L858 garLoopResultBuilder]: For program point L435(line 435) no Hoare annotation was computed. [2021-11-23 13:55:08,360 INFO L858 garLoopResultBuilder]: For program point L402(line 402) no Hoare annotation was computed. [2021-11-23 13:55:08,360 INFO L858 garLoopResultBuilder]: For program point L204(lines 204 400) no Hoare annotation was computed. [2021-11-23 13:55:08,360 INFO L858 garLoopResultBuilder]: For program point L72(lines 72 400) no Hoare annotation was computed. [2021-11-23 13:55:08,360 INFO L858 garLoopResultBuilder]: For program point L271(lines 271 400) no Hoare annotation was computed. [2021-11-23 13:55:08,362 INFO L858 garLoopResultBuilder]: For program point L139(lines 139 400) no Hoare annotation was computed. [2021-11-23 13:55:08,362 INFO L858 garLoopResultBuilder]: For program point L569-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 13:55:08,362 INFO L858 garLoopResultBuilder]: For program point L536-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 13:55:08,363 INFO L858 garLoopResultBuilder]: For program point L503-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 13:55:08,363 INFO L858 garLoopResultBuilder]: For program point L470-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 13:55:08,364 INFO L858 garLoopResultBuilder]: For program point L437-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 13:55:08,364 INFO L858 garLoopResultBuilder]: For program point L371(lines 371 400) no Hoare annotation was computed. [2021-11-23 13:55:08,364 INFO L858 garLoopResultBuilder]: For program point L404-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 13:55:08,364 INFO L858 garLoopResultBuilder]: For program point L107(lines 107 400) no Hoare annotation was computed. [2021-11-23 13:55:08,364 INFO L858 garLoopResultBuilder]: For program point L41(lines 41 400) no Hoare annotation was computed. [2021-11-23 13:55:08,364 INFO L858 garLoopResultBuilder]: For program point L570(line 570) no Hoare annotation was computed. [2021-11-23 13:55:08,365 INFO L858 garLoopResultBuilder]: For program point L537(line 537) no Hoare annotation was computed. [2021-11-23 13:55:08,365 INFO L858 garLoopResultBuilder]: For program point L504(line 504) no Hoare annotation was computed. [2021-11-23 13:55:08,365 INFO L858 garLoopResultBuilder]: For program point L471(line 471) no Hoare annotation was computed. [2021-11-23 13:55:08,365 INFO L858 garLoopResultBuilder]: For program point L438(line 438) no Hoare annotation was computed. [2021-11-23 13:55:08,365 INFO L858 garLoopResultBuilder]: For program point L405(line 405) no Hoare annotation was computed. [2021-11-23 13:55:08,366 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 400) no Hoare annotation was computed. [2021-11-23 13:55:08,366 INFO L858 garLoopResultBuilder]: For program point L207(lines 207 400) no Hoare annotation was computed. [2021-11-23 13:55:08,367 INFO L858 garLoopResultBuilder]: For program point L75(lines 75 400) no Hoare annotation was computed. [2021-11-23 13:55:08,367 INFO L858 garLoopResultBuilder]: For program point L373(lines 373 400) no Hoare annotation was computed. [2021-11-23 13:55:08,367 INFO L858 garLoopResultBuilder]: For program point L241(lines 241 400) no Hoare annotation was computed. [2021-11-23 13:55:08,367 INFO L858 garLoopResultBuilder]: For program point L175(lines 175 400) no Hoare annotation was computed. [2021-11-23 13:55:08,367 INFO L858 garLoopResultBuilder]: For program point L572-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 13:55:08,367 INFO L858 garLoopResultBuilder]: For program point L539-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 13:55:08,368 INFO L858 garLoopResultBuilder]: For program point L506-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 13:55:08,368 INFO L858 garLoopResultBuilder]: For program point L473-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 13:55:08,368 INFO L858 garLoopResultBuilder]: For program point L440-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 13:55:08,368 INFO L858 garLoopResultBuilder]: For program point L407-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 13:55:08,368 INFO L858 garLoopResultBuilder]: For program point L275(lines 275 400) no Hoare annotation was computed. [2021-11-23 13:55:08,368 INFO L858 garLoopResultBuilder]: For program point L573(line 573) no Hoare annotation was computed. [2021-11-23 13:55:08,369 INFO L858 garLoopResultBuilder]: For program point L540(line 540) no Hoare annotation was computed. [2021-11-23 13:55:08,369 INFO L858 garLoopResultBuilder]: For program point L507(line 507) no Hoare annotation was computed. [2021-11-23 13:55:08,369 INFO L858 garLoopResultBuilder]: For program point L474(line 474) no Hoare annotation was computed. [2021-11-23 13:55:08,369 INFO L858 garLoopResultBuilder]: For program point L441(line 441) no Hoare annotation was computed. [2021-11-23 13:55:08,369 INFO L858 garLoopResultBuilder]: For program point L408(line 408) no Hoare annotation was computed. [2021-11-23 13:55:08,369 INFO L858 garLoopResultBuilder]: For program point L375(lines 375 400) no Hoare annotation was computed. [2021-11-23 13:55:08,370 INFO L858 garLoopResultBuilder]: For program point L309(lines 309 400) no Hoare annotation was computed. [2021-11-23 13:55:08,370 INFO L858 garLoopResultBuilder]: For program point L45(lines 45 400) no Hoare annotation was computed. [2021-11-23 13:55:08,370 INFO L858 garLoopResultBuilder]: For program point L343(lines 343 400) no Hoare annotation was computed. [2021-11-23 13:55:08,370 INFO L858 garLoopResultBuilder]: For program point L112(lines 112 400) no Hoare annotation was computed. [2021-11-23 13:55:08,370 INFO L858 garLoopResultBuilder]: For program point L575-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 13:55:08,371 INFO L858 garLoopResultBuilder]: For program point L542-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 13:55:08,371 INFO L858 garLoopResultBuilder]: For program point L509-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 13:55:08,371 INFO L858 garLoopResultBuilder]: For program point L476-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 13:55:08,371 INFO L858 garLoopResultBuilder]: For program point L443-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 13:55:08,372 INFO L858 garLoopResultBuilder]: For program point L410-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 13:55:08,372 INFO L858 garLoopResultBuilder]: For program point L278(lines 278 400) no Hoare annotation was computed. [2021-11-23 13:55:08,372 INFO L858 garLoopResultBuilder]: For program point L146(lines 146 400) no Hoare annotation was computed. [2021-11-23 13:55:08,372 INFO L858 garLoopResultBuilder]: For program point L576(line 576) no Hoare annotation was computed. [2021-11-23 13:55:08,372 INFO L858 garLoopResultBuilder]: For program point L543(line 543) no Hoare annotation was computed. [2021-11-23 13:55:08,372 INFO L858 garLoopResultBuilder]: For program point L510(line 510) no Hoare annotation was computed. [2021-11-23 13:55:08,373 INFO L858 garLoopResultBuilder]: For program point L477(line 477) no Hoare annotation was computed. [2021-11-23 13:55:08,373 INFO L858 garLoopResultBuilder]: For program point L444(line 444) no Hoare annotation was computed. [2021-11-23 13:55:08,373 INFO L858 garLoopResultBuilder]: For program point L411(line 411) no Hoare annotation was computed. [2021-11-23 13:55:08,373 INFO L858 garLoopResultBuilder]: For program point L213(lines 213 400) no Hoare annotation was computed. [2021-11-23 13:55:08,373 INFO L858 garLoopResultBuilder]: For program point L82(lines 82 400) no Hoare annotation was computed. [2021-11-23 13:55:08,373 INFO L858 garLoopResultBuilder]: For program point L578-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 13:55:08,374 INFO L858 garLoopResultBuilder]: For program point L545-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 13:55:08,374 INFO L858 garLoopResultBuilder]: For program point L512-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 13:55:08,375 INFO L858 garLoopResultBuilder]: For program point L479-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 13:55:08,377 INFO L858 garLoopResultBuilder]: For program point L446-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 13:55:08,377 INFO L858 garLoopResultBuilder]: For program point L413-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 13:55:08,377 INFO L858 garLoopResultBuilder]: For program point L347(lines 347 400) no Hoare annotation was computed. [2021-11-23 13:55:08,377 INFO L858 garLoopResultBuilder]: For program point L248(lines 248 400) no Hoare annotation was computed. [2021-11-23 13:55:08,378 INFO L858 garLoopResultBuilder]: For program point L579(line 579) no Hoare annotation was computed. [2021-11-23 13:55:08,378 INFO L858 garLoopResultBuilder]: For program point L546(line 546) no Hoare annotation was computed. [2021-11-23 13:55:08,378 INFO L858 garLoopResultBuilder]: For program point L513(line 513) no Hoare annotation was computed. [2021-11-23 13:55:08,378 INFO L858 garLoopResultBuilder]: For program point L480(line 480) no Hoare annotation was computed. [2021-11-23 13:55:08,379 INFO L858 garLoopResultBuilder]: For program point L447(line 447) no Hoare annotation was computed. [2021-11-23 13:55:08,379 INFO L858 garLoopResultBuilder]: For program point L414(line 414) no Hoare annotation was computed. [2021-11-23 13:55:08,379 INFO L858 garLoopResultBuilder]: For program point L183(lines 183 400) no Hoare annotation was computed. [2021-11-23 13:55:08,379 INFO L858 garLoopResultBuilder]: For program point L150(lines 150 400) no Hoare annotation was computed. [2021-11-23 13:55:08,379 INFO L858 garLoopResultBuilder]: For program point L382(lines 382 400) no Hoare annotation was computed. [2021-11-23 13:55:08,380 INFO L858 garLoopResultBuilder]: For program point L316(lines 316 400) no Hoare annotation was computed. [2021-11-23 13:55:08,380 INFO L858 garLoopResultBuilder]: For program point L283(lines 283 400) no Hoare annotation was computed. [2021-11-23 13:55:08,380 INFO L858 garLoopResultBuilder]: For program point L118(lines 118 400) no Hoare annotation was computed. [2021-11-23 13:55:08,380 INFO L858 garLoopResultBuilder]: For program point L581-1(lines 581 583) no Hoare annotation was computed. [2021-11-23 13:55:08,380 INFO L858 garLoopResultBuilder]: For program point L548-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 13:55:08,380 INFO L858 garLoopResultBuilder]: For program point L515-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 13:55:08,380 INFO L858 garLoopResultBuilder]: For program point L482-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 13:55:08,381 INFO L858 garLoopResultBuilder]: For program point L449-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 13:55:08,381 INFO L858 garLoopResultBuilder]: For program point L416-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 13:55:08,381 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-23 13:55:08,381 INFO L858 garLoopResultBuilder]: For program point L218(lines 218 400) no Hoare annotation was computed. [2021-11-23 13:55:08,381 INFO L858 garLoopResultBuilder]: For program point L53(lines 53 400) no Hoare annotation was computed. [2021-11-23 13:55:08,381 INFO L858 garLoopResultBuilder]: For program point L582(line 582) no Hoare annotation was computed. [2021-11-23 13:55:08,382 INFO L858 garLoopResultBuilder]: For program point L549(line 549) no Hoare annotation was computed. [2021-11-23 13:55:08,382 INFO L858 garLoopResultBuilder]: For program point L516(line 516) no Hoare annotation was computed. [2021-11-23 13:55:08,382 INFO L858 garLoopResultBuilder]: For program point L483(line 483) no Hoare annotation was computed. [2021-11-23 13:55:08,382 INFO L858 garLoopResultBuilder]: For program point L450(line 450) no Hoare annotation was computed. [2021-11-23 13:55:08,383 INFO L858 garLoopResultBuilder]: For program point L417(line 417) no Hoare annotation was computed. [2021-11-23 13:55:08,383 INFO L858 garLoopResultBuilder]: For program point L154(lines 154 400) no Hoare annotation was computed. [2021-11-23 13:55:08,383 INFO L854 garLoopResultBuilder]: At program point L584(lines 40 585) the Hoare annotation is: (or (not (= ~a7~0 1)) (<= ~a21~0 0) (<= ~a17~0 0) (<= ~a16~0 4)) [2021-11-23 13:55:08,385 INFO L858 garLoopResultBuilder]: For program point L551-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 13:55:08,385 INFO L858 garLoopResultBuilder]: For program point L518-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 13:55:08,385 INFO L858 garLoopResultBuilder]: For program point L485-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 13:55:08,385 INFO L858 garLoopResultBuilder]: For program point L452-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 13:55:08,386 INFO L858 garLoopResultBuilder]: For program point L419-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 13:55:08,386 INFO L858 garLoopResultBuilder]: For program point L188(lines 188 400) no Hoare annotation was computed. [2021-11-23 13:55:08,386 INFO L858 garLoopResultBuilder]: For program point L552(line 552) no Hoare annotation was computed. [2021-11-23 13:55:08,386 INFO L858 garLoopResultBuilder]: For program point L519(line 519) no Hoare annotation was computed. [2021-11-23 13:55:08,386 INFO L858 garLoopResultBuilder]: For program point L486(line 486) no Hoare annotation was computed. [2021-11-23 13:55:08,386 INFO L858 garLoopResultBuilder]: For program point L453(line 453) no Hoare annotation was computed. [2021-11-23 13:55:08,387 INFO L858 garLoopResultBuilder]: For program point L420(line 420) no Hoare annotation was computed. [2021-11-23 13:55:08,387 INFO L858 garLoopResultBuilder]: For program point L387(lines 387 400) no Hoare annotation was computed. [2021-11-23 13:55:08,387 INFO L858 garLoopResultBuilder]: For program point L288(lines 288 400) no Hoare annotation was computed. [2021-11-23 13:55:08,387 INFO L858 garLoopResultBuilder]: For program point L255(lines 255 400) no Hoare annotation was computed. [2021-11-23 13:55:08,387 INFO L858 garLoopResultBuilder]: For program point L90(lines 90 400) no Hoare annotation was computed. [2021-11-23 13:55:08,387 INFO L858 garLoopResultBuilder]: For program point L355(lines 355 400) no Hoare annotation was computed. [2021-11-23 13:55:08,388 INFO L858 garLoopResultBuilder]: For program point L322(lines 322 400) no Hoare annotation was computed. [2021-11-23 13:55:08,388 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-23 13:55:08,388 INFO L858 garLoopResultBuilder]: For program point L124(lines 124 400) no Hoare annotation was computed. [2021-11-23 13:55:08,388 INFO L861 garLoopResultBuilder]: At program point L587(lines 587 604) the Hoare annotation is: true [2021-11-23 13:55:08,388 INFO L858 garLoopResultBuilder]: For program point L554-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 13:55:08,388 INFO L858 garLoopResultBuilder]: For program point L521-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 13:55:08,389 INFO L858 garLoopResultBuilder]: For program point L488-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 13:55:08,389 INFO L858 garLoopResultBuilder]: For program point L455-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 13:55:08,389 INFO L858 garLoopResultBuilder]: For program point L422-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 13:55:08,389 INFO L858 garLoopResultBuilder]: For program point L224(lines 224 400) no Hoare annotation was computed. [2021-11-23 13:55:08,389 INFO L858 garLoopResultBuilder]: For program point L158(lines 158 400) no Hoare annotation was computed. [2021-11-23 13:55:08,389 INFO L858 garLoopResultBuilder]: For program point L59(lines 59 400) no Hoare annotation was computed. [2021-11-23 13:55:08,389 INFO L858 garLoopResultBuilder]: For program point L555(line 555) no Hoare annotation was computed. [2021-11-23 13:55:08,390 INFO L858 garLoopResultBuilder]: For program point L522(line 522) no Hoare annotation was computed. [2021-11-23 13:55:08,390 INFO L858 garLoopResultBuilder]: For program point L489(line 489) no Hoare annotation was computed. [2021-11-23 13:55:08,390 INFO L858 garLoopResultBuilder]: For program point L456(line 456) no Hoare annotation was computed. [2021-11-23 13:55:08,394 INFO L858 garLoopResultBuilder]: For program point L423(line 423) no Hoare annotation was computed. [2021-11-23 13:55:08,394 INFO L858 garLoopResultBuilder]: For program point L94(lines 94 400) no Hoare annotation was computed. [2021-11-23 13:55:08,394 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-23 13:55:08,395 INFO L858 garLoopResultBuilder]: For program point L557-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 13:55:08,395 INFO L858 garLoopResultBuilder]: For program point L524-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 13:55:08,395 INFO L858 garLoopResultBuilder]: For program point L491-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 13:55:08,395 INFO L858 garLoopResultBuilder]: For program point L458-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 13:55:08,395 INFO L858 garLoopResultBuilder]: For program point L392(lines 392 400) no Hoare annotation was computed. [2021-11-23 13:55:08,395 INFO L858 garLoopResultBuilder]: For program point L425-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 13:55:08,396 INFO L858 garLoopResultBuilder]: For program point L326(lines 326 400) no Hoare annotation was computed. [2021-11-23 13:55:08,396 INFO L858 garLoopResultBuilder]: For program point L260(lines 260 400) no Hoare annotation was computed. [2021-11-23 13:55:08,396 INFO L858 garLoopResultBuilder]: For program point L558(line 558) no Hoare annotation was computed. [2021-11-23 13:55:08,396 INFO L858 garLoopResultBuilder]: For program point L525(line 525) no Hoare annotation was computed. [2021-11-23 13:55:08,397 INFO L858 garLoopResultBuilder]: For program point L492(line 492) no Hoare annotation was computed. [2021-11-23 13:55:08,397 INFO L858 garLoopResultBuilder]: For program point L459(line 459) no Hoare annotation was computed. [2021-11-23 13:55:08,397 INFO L858 garLoopResultBuilder]: For program point L426(line 426) no Hoare annotation was computed. [2021-11-23 13:55:08,397 INFO L858 garLoopResultBuilder]: For program point L228(lines 228 400) no Hoare annotation was computed. [2021-11-23 13:55:08,398 INFO L858 garLoopResultBuilder]: For program point L162(lines 162 400) no Hoare annotation was computed. [2021-11-23 13:55:08,398 INFO L858 garLoopResultBuilder]: For program point L129(lines 129 400) no Hoare annotation was computed. [2021-11-23 13:55:08,398 INFO L858 garLoopResultBuilder]: For program point L328(lines 328 400) no Hoare annotation was computed. [2021-11-23 13:55:08,398 INFO L858 garLoopResultBuilder]: For program point L196(lines 196 400) no Hoare annotation was computed. [2021-11-23 13:55:08,398 INFO L858 garLoopResultBuilder]: For program point L64(lines 64 400) no Hoare annotation was computed. [2021-11-23 13:55:08,399 INFO L858 garLoopResultBuilder]: For program point L560-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 13:55:08,399 INFO L854 garLoopResultBuilder]: At program point L593-2(lines 593 603) the Hoare annotation is: (or (not (= ~a7~0 1)) (<= ~a21~0 0) (<= ~a17~0 0) (<= ~a16~0 4)) [2021-11-23 13:55:08,399 INFO L858 garLoopResultBuilder]: For program point L527-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 13:55:08,399 INFO L858 garLoopResultBuilder]: For program point L494-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 13:55:08,399 INFO L858 garLoopResultBuilder]: For program point L461-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 13:55:08,399 INFO L858 garLoopResultBuilder]: For program point L428-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 13:55:08,400 INFO L858 garLoopResultBuilder]: For program point L296(lines 296 400) no Hoare annotation was computed. [2021-11-23 13:55:08,400 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-23 13:55:08,400 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 510) no Hoare annotation was computed. [2021-11-23 13:55:08,400 INFO L858 garLoopResultBuilder]: For program point L561(line 561) no Hoare annotation was computed. [2021-11-23 13:55:08,400 INFO L858 garLoopResultBuilder]: For program point L528(line 528) no Hoare annotation was computed. [2021-11-23 13:55:08,400 INFO L858 garLoopResultBuilder]: For program point L495(line 495) no Hoare annotation was computed. [2021-11-23 13:55:08,401 INFO L858 garLoopResultBuilder]: For program point L462(line 462) no Hoare annotation was computed. [2021-11-23 13:55:08,401 INFO L858 garLoopResultBuilder]: For program point L429(line 429) no Hoare annotation was computed. [2021-11-23 13:55:08,401 INFO L858 garLoopResultBuilder]: For program point L363(lines 363 400) no Hoare annotation was computed. [2021-11-23 13:55:08,401 INFO L858 garLoopResultBuilder]: For program point L199(lines 199 400) no Hoare annotation was computed. [2021-11-23 13:55:08,401 INFO L858 garLoopResultBuilder]: For program point L563-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 13:55:08,401 INFO L858 garLoopResultBuilder]: For program point L530-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 13:55:08,402 INFO L858 garLoopResultBuilder]: For program point L497-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 13:55:08,402 INFO L858 garLoopResultBuilder]: For program point L464-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 13:55:08,402 INFO L858 garLoopResultBuilder]: For program point L431-1(lines 40 585) no Hoare annotation was computed. [2021-11-23 13:55:08,402 INFO L858 garLoopResultBuilder]: For program point L365(lines 365 400) no Hoare annotation was computed. [2021-11-23 13:55:08,402 INFO L858 garLoopResultBuilder]: For program point L266(lines 266 400) no Hoare annotation was computed. [2021-11-23 13:55:08,402 INFO L858 garLoopResultBuilder]: For program point L233(lines 233 400) no Hoare annotation was computed. [2021-11-23 13:55:08,402 INFO L858 garLoopResultBuilder]: For program point L134(lines 134 400) no Hoare annotation was computed. [2021-11-23 13:55:08,408 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-23 13:55:08,411 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 13:55:08,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:55:08 BoogieIcfgContainer [2021-11-23 13:55:08,434 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 13:55:08,438 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 13:55:08,439 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 13:55:08,439 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 13:55:08,439 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:55:00" (3/4) ... [2021-11-23 13:55:08,443 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 13:55:08,476 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-11-23 13:55:08,477 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-23 13:55:08,479 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 13:55:08,480 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 13:55:08,604 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e5efc3-13ad-4dcf-94db-1873f8d2124e/bin/uautomizer-wIGwrQj20G/witness.graphml [2021-11-23 13:55:08,604 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 13:55:08,605 INFO L158 Benchmark]: Toolchain (without parser) took 9940.16ms. Allocated memory was 136.3MB in the beginning and 190.8MB in the end (delta: 54.5MB). Free memory was 108.1MB in the beginning and 100.0MB in the end (delta: 8.0MB). Peak memory consumption was 65.1MB. Max. memory is 16.1GB. [2021-11-23 13:55:08,605 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory was 51.8MB in the beginning and 51.8MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 13:55:08,605 INFO L158 Benchmark]: CACSL2BoogieTranslator took 711.14ms. Allocated memory is still 136.3MB. Free memory was 107.8MB in the beginning and 80.0MB in the end (delta: 27.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2021-11-23 13:55:08,606 INFO L158 Benchmark]: Boogie Procedure Inliner took 111.94ms. Allocated memory is still 136.3MB. Free memory was 80.0MB in the beginning and 74.1MB in the end (delta: 5.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 13:55:08,606 INFO L158 Benchmark]: Boogie Preprocessor took 101.37ms. Allocated memory is still 136.3MB. Free memory was 74.1MB in the beginning and 69.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 13:55:08,607 INFO L158 Benchmark]: RCFGBuilder took 1340.31ms. Allocated memory is still 136.3MB. Free memory was 69.9MB in the beginning and 78.8MB in the end (delta: -8.9MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2021-11-23 13:55:08,607 INFO L158 Benchmark]: TraceAbstraction took 7498.19ms. Allocated memory was 136.3MB in the beginning and 190.8MB in the end (delta: 54.5MB). Free memory was 78.2MB in the beginning and 114.9MB in the end (delta: -36.6MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2021-11-23 13:55:08,608 INFO L158 Benchmark]: Witness Printer took 165.69ms. Allocated memory is still 190.8MB. Free memory was 114.9MB in the beginning and 100.0MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 13:55:08,610 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory was 51.8MB in the beginning and 51.8MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 711.14ms. Allocated memory is still 136.3MB. Free memory was 107.8MB in the beginning and 80.0MB in the end (delta: 27.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 111.94ms. Allocated memory is still 136.3MB. Free memory was 80.0MB in the beginning and 74.1MB in the end (delta: 5.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 101.37ms. Allocated memory is still 136.3MB. Free memory was 74.1MB in the beginning and 69.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1340.31ms. Allocated memory is still 136.3MB. Free memory was 69.9MB in the beginning and 78.8MB in the end (delta: -8.9MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 7498.19ms. Allocated memory was 136.3MB in the beginning and 190.8MB in the end (delta: 54.5MB). Free memory was 78.2MB in the beginning and 114.9MB in the end (delta: -36.6MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. * Witness Printer took 165.69ms. Allocated memory is still 190.8MB. Free memory was 114.9MB in the beginning and 100.0MB in the end (delta: 14.8MB). 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: 510]: 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: 7.4s, OverallIterations: 5, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 3.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 555 SdHoareTripleChecker+Valid, 3.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 555 mSDsluCounter, 714 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 43 mSDsCounter, 485 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2159 IncrementalHoareTripleChecker+Invalid, 2644 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 485 mSolverCounterUnsat, 671 mSDtfsCounter, 2159 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 428 GetRequests, 414 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=921occurred in iteration=4, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 131 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 34 NumberOfFragments, 29 HoareAnnotationTreeSize, 3 FomulaSimplifications, 330 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 1053 NumberOfCodeBlocks, 1053 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1045 ConstructedInterpolants, 0 QuantifiedInterpolants, 5821 SizeOfPredicates, 0 NumberOfNonLiveVariables, 930 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 303/312 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: ((!(a7 == 1) || a21 <= 0) || a17 <= 0) || a16 <= 4 - InvariantResult [Line: 587]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: ((!(a7 == 1) || a21 <= 0) || a17 <= 0) || a16 <= 4 RESULT: Ultimate proved your program to be correct! [2021-11-23 13:55:08,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6e5efc3-13ad-4dcf-94db-1873f8d2124e/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE