./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem15_label56.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627390f7-6c5e-4ff1-8fb8-45a33f78a7f3/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627390f7-6c5e-4ff1-8fb8-45a33f78a7f3/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627390f7-6c5e-4ff1-8fb8-45a33f78a7f3/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627390f7-6c5e-4ff1-8fb8-45a33f78a7f3/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem15_label56.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627390f7-6c5e-4ff1-8fb8-45a33f78a7f3/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627390f7-6c5e-4ff1-8fb8-45a33f78a7f3/bin/ukojak-LBtLqBUTdQ --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a498fb7710a33a2d85f447c670841227251b50491988d49c611ac72650abaae2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 23:09:19,747 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 23:09:19,750 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 23:09:19,781 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 23:09:19,781 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 23:09:19,783 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 23:09:19,784 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 23:09:19,787 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 23:09:19,789 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 23:09:19,790 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 23:09:19,792 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 23:09:19,793 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 23:09:19,794 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 23:09:19,795 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 23:09:19,797 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 23:09:19,799 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 23:09:19,800 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 23:09:19,801 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 23:09:19,804 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 23:09:19,806 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 23:09:19,809 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 23:09:19,810 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 23:09:19,812 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 23:09:19,813 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 23:09:19,817 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 23:09:19,818 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 23:09:19,818 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 23:09:19,819 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 23:09:19,820 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 23:09:19,821 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 23:09:19,822 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 23:09:19,823 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 23:09:19,824 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 23:09:19,825 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 23:09:19,826 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 23:09:19,826 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 23:09:19,827 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 23:09:19,828 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 23:09:19,828 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 23:09:19,830 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 23:09:19,830 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 23:09:19,832 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627390f7-6c5e-4ff1-8fb8-45a33f78a7f3/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-22 23:09:19,855 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 23:09:19,855 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 23:09:19,856 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-22 23:09:19,857 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-22 23:09:19,857 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 23:09:19,858 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 23:09:19,858 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 23:09:19,858 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 23:09:19,858 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 23:09:19,859 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 23:09:19,859 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 23:09:19,859 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 23:09:19,859 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 23:09:19,859 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 23:09:19,860 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 23:09:19,860 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 23:09:19,860 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 23:09:19,860 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 23:09:19,861 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-22 23:09:19,861 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-22 23:09:19,861 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 23:09:19,861 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:09:19,862 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 23:09:19,862 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 23:09:19,862 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 23:09:19,862 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-22 23:09:19,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 23:09:19,863 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 23:09:19,863 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_627390f7-6c5e-4ff1-8fb8-45a33f78a7f3/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627390f7-6c5e-4ff1-8fb8-45a33f78a7f3/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a498fb7710a33a2d85f447c670841227251b50491988d49c611ac72650abaae2 [2021-11-22 23:09:20,118 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 23:09:20,143 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 23:09:20,146 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 23:09:20,148 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 23:09:20,150 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 23:09:20,151 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627390f7-6c5e-4ff1-8fb8-45a33f78a7f3/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/eca-rers2012/Problem15_label56.c [2021-11-22 23:09:20,243 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627390f7-6c5e-4ff1-8fb8-45a33f78a7f3/bin/ukojak-LBtLqBUTdQ/data/f4dc56127/227f024efd214dff93a370eb9d11e053/FLAGe245aa356 [2021-11-22 23:09:20,953 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 23:09:20,954 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627390f7-6c5e-4ff1-8fb8-45a33f78a7f3/sv-benchmarks/c/eca-rers2012/Problem15_label56.c [2021-11-22 23:09:20,979 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627390f7-6c5e-4ff1-8fb8-45a33f78a7f3/bin/ukojak-LBtLqBUTdQ/data/f4dc56127/227f024efd214dff93a370eb9d11e053/FLAGe245aa356 [2021-11-22 23:09:21,111 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627390f7-6c5e-4ff1-8fb8-45a33f78a7f3/bin/ukojak-LBtLqBUTdQ/data/f4dc56127/227f024efd214dff93a370eb9d11e053 [2021-11-22 23:09:21,116 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 23:09:21,118 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 23:09:21,122 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 23:09:21,123 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 23:09:21,126 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 23:09:21,130 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:09:21" (1/1) ... [2021-11-22 23:09:21,132 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6777b35c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:21, skipping insertion in model container [2021-11-22 23:09:21,133 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:09:21" (1/1) ... [2021-11-22 23:09:21,142 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 23:09:21,238 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 23:09:21,542 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_627390f7-6c5e-4ff1-8fb8-45a33f78a7f3/sv-benchmarks/c/eca-rers2012/Problem15_label56.c[4182,4195] [2021-11-22 23:09:22,150 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:09:22,158 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 23:09:22,178 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_627390f7-6c5e-4ff1-8fb8-45a33f78a7f3/sv-benchmarks/c/eca-rers2012/Problem15_label56.c[4182,4195] [2021-11-22 23:09:22,446 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 23:09:22,463 INFO L208 MainTranslator]: Completed translation [2021-11-22 23:09:22,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:22 WrapperNode [2021-11-22 23:09:22,464 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 23:09:22,466 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 23:09:22,466 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 23:09:22,467 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 23:09:22,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:22" (1/1) ... [2021-11-22 23:09:22,525 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:22" (1/1) ... [2021-11-22 23:09:22,725 INFO L137 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1758 [2021-11-22 23:09:22,725 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 23:09:22,726 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 23:09:22,726 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 23:09:22,727 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 23:09:22,735 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:22" (1/1) ... [2021-11-22 23:09:22,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:22" (1/1) ... [2021-11-22 23:09:22,777 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:22" (1/1) ... [2021-11-22 23:09:22,777 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:22" (1/1) ... [2021-11-22 23:09:22,888 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:22" (1/1) ... [2021-11-22 23:09:22,905 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:22" (1/1) ... [2021-11-22 23:09:22,926 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:22" (1/1) ... [2021-11-22 23:09:22,948 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 23:09:22,949 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 23:09:22,949 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 23:09:22,950 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 23:09:22,952 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:09:22" (1/1) ... [2021-11-22 23:09:22,960 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-22 23:09:22,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627390f7-6c5e-4ff1-8fb8-45a33f78a7f3/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-22 23:09:22,984 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627390f7-6c5e-4ff1-8fb8-45a33f78a7f3/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-22 23:09:23,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627390f7-6c5e-4ff1-8fb8-45a33f78a7f3/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-22 23:09:23,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 23:09:23,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 23:09:23,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 23:09:23,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 23:09:23,176 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 23:09:23,177 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 23:09:26,265 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 23:09:42,264 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 23:09:42,264 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-22 23:09:42,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:09:42 BoogieIcfgContainer [2021-11-22 23:09:42,267 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 23:09:42,268 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-22 23:09:42,268 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-22 23:09:42,278 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-22 23:09:42,278 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:09:42" (1/1) ... [2021-11-22 23:09:42,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 23:09:42,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:42,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2021-11-22 23:09:42,345 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2021-11-22 23:09:42,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-22 23:09:42,347 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:42,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:42,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:42,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:42,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:42,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2021-11-22 23:09:42,949 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-11-22 23:09:42,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-22 23:09:42,949 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:42,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:45,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:47,866 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:49,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:49,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2021-11-22 23:09:49,009 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2021-11-22 23:09:49,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:09:49,010 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:49,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:09:54,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:09:56,457 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:09:57,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:09:57,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 25 states and 40 transitions. [2021-11-22 23:09:57,753 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 40 transitions. [2021-11-22 23:09:57,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-22 23:09:57,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:09:57,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:00,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:02,541 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 23:10:03,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:03,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 28 states and 46 transitions. [2021-11-22 23:10:03,581 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 46 transitions. [2021-11-22 23:10:03,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 23:10:03,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-22 23:10:03,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 23:10:09,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 23:10:10,962 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-22 23:10:15,289 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.72s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-22 23:10:15,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-22 23:10:15,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 23 states and 39 transitions. [2021-11-22 23:10:15,712 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 39 transitions. [2021-11-22 23:10:15,712 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-22 23:10:15,713 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2021-11-22 23:10:15,720 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2021-11-22 23:10:15,956 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-22 23:10:15,959 INFO L560 CodeCheckObserver]: Invariant with dag size 24 [2021-11-22 23:10:15,964 INFO L560 CodeCheckObserver]: Invariant with dag size 21 [2021-11-22 23:10:15,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.11 11:10:15 ImpRootNode [2021-11-22 23:10:15,969 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-22 23:10:15,969 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 23:10:15,970 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 23:10:15,970 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 23:10:15,970 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:09:42" (3/4) ... [2021-11-22 23:10:15,982 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-22 23:10:16,033 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 390 nodes and edges [2021-11-22 23:10:16,038 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2021-11-22 23:10:16,043 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-11-22 23:10:16,048 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-22 23:10:16,344 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627390f7-6c5e-4ff1-8fb8-45a33f78a7f3/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-22 23:10:16,345 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 23:10:16,345 INFO L158 Benchmark]: Toolchain (without parser) took 55227.18ms. Allocated memory was 115.3MB in the beginning and 13.0GB in the end (delta: 12.9GB). Free memory was 71.2MB in the beginning and 12.2GB in the end (delta: -12.1GB). Peak memory consumption was 793.2MB. Max. memory is 16.1GB. [2021-11-22 23:10:16,346 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 115.3MB. Free memory was 93.7MB in the beginning and 93.6MB in the end (delta: 79.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:10:16,347 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1342.59ms. Allocated memory was 115.3MB in the beginning and 148.9MB in the end (delta: 33.6MB). Free memory was 71.0MB in the beginning and 82.5MB in the end (delta: -11.5MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2021-11-22 23:10:16,347 INFO L158 Benchmark]: Boogie Procedure Inliner took 259.47ms. Allocated memory is still 148.9MB. Free memory was 82.5MB in the beginning and 83.2MB in the end (delta: -637.1kB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2021-11-22 23:10:16,347 INFO L158 Benchmark]: Boogie Preprocessor took 222.66ms. Allocated memory is still 148.9MB. Free memory was 83.2MB in the beginning and 64.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-22 23:10:16,348 INFO L158 Benchmark]: RCFGBuilder took 19318.12ms. Allocated memory was 148.9MB in the beginning and 11.8GB in the end (delta: 11.7GB). Free memory was 64.3MB in the beginning and 10.8GB in the end (delta: -10.7GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2021-11-22 23:10:16,348 INFO L158 Benchmark]: CodeCheck took 33700.64ms. Allocated memory was 11.8GB in the beginning and 13.0GB in the end (delta: 1.2GB). Free memory was 10.8GB in the beginning and 12.3GB in the end (delta: -1.5GB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 23:10:16,349 INFO L158 Benchmark]: Witness Printer took 375.31ms. Allocated memory is still 13.0GB. Free memory was 12.3GB in the beginning and 12.2GB in the end (delta: 43.5MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2021-11-22 23:10:16,351 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 33.4s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 136 SdHoareTripleChecker+Valid, 14.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 107 mSDsluCounter, 137 SdHoareTripleChecker+Invalid, 13.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 78 mSDsCounter, 55 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 278 IncrementalHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 55 mSolverCounterUnsat, 59 mSDtfsCounter, 278 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 494 GetRequests, 443 SyntacticMatches, 11 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 741 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 16.0s SatisfiabilityAnalysisTime, 8.5s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 799 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 10/44 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 116]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1770]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: ((((0 < a4 + 86 || 0 < a0 + 61) || 98 + a0 <= 0) || 0 < a29 + 16) || !(5 == a2)) || a29 + 144 <= 0 - InvariantResult [Line: 1776]: Loop Invariant Derived loop invariant: (((0 <= a4 + 85 || 0 <= a29 + 15) || 98 + a0 <= 0) || 0 <= a0 + 60) || !(5 == a2) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 115.3MB. Free memory was 93.7MB in the beginning and 93.6MB in the end (delta: 79.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1342.59ms. Allocated memory was 115.3MB in the beginning and 148.9MB in the end (delta: 33.6MB). Free memory was 71.0MB in the beginning and 82.5MB in the end (delta: -11.5MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 259.47ms. Allocated memory is still 148.9MB. Free memory was 82.5MB in the beginning and 83.2MB in the end (delta: -637.1kB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 222.66ms. Allocated memory is still 148.9MB. Free memory was 83.2MB in the beginning and 64.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * RCFGBuilder took 19318.12ms. Allocated memory was 148.9MB in the beginning and 11.8GB in the end (delta: 11.7GB). Free memory was 64.3MB in the beginning and 10.8GB in the end (delta: -10.7GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. * CodeCheck took 33700.64ms. Allocated memory was 11.8GB in the beginning and 13.0GB in the end (delta: 1.2GB). Free memory was 10.8GB in the beginning and 12.3GB in the end (delta: -1.5GB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 375.31ms. Allocated memory is still 13.0GB. Free memory was 12.3GB in the beginning and 12.2GB in the end (delta: 43.5MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-22 23:10:16,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_627390f7-6c5e-4ff1-8fb8-45a33f78a7f3/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE