./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label14.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02ae4e0-3e95-49d6-b60c-eacfdfa236d8/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02ae4e0-3e95-49d6-b60c-eacfdfa236d8/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02ae4e0-3e95-49d6-b60c-eacfdfa236d8/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02ae4e0-3e95-49d6-b60c-eacfdfa236d8/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label14.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02ae4e0-3e95-49d6-b60c-eacfdfa236d8/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02ae4e0-3e95-49d6-b60c-eacfdfa236d8/bin/ukojak-92XMlrwhuB --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 471d591bac756b3641e5eebd3ed64b220338148881b3c7fbab3f4295451226cd --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:50:26,752 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:50:26,755 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:50:26,810 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:50:26,811 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:50:26,816 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:50:26,819 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:50:26,823 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:50:26,828 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:50:26,834 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:50:26,835 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:50:26,839 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:50:26,839 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:50:26,842 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:50:26,844 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:50:26,847 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:50:26,849 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:50:26,850 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:50:26,852 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:50:26,860 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:50:26,862 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:50:26,864 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:50:26,868 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:50:26,870 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:50:26,880 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:50:26,881 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:50:26,882 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:50:26,884 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:50:26,885 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:50:26,886 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:50:26,887 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:50:26,888 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:50:26,890 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:50:26,892 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:50:26,894 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:50:26,894 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:50:26,895 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:50:26,896 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:50:26,896 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:50:26,897 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:50:26,898 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:50:26,899 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02ae4e0-3e95-49d6-b60c-eacfdfa236d8/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:50:26,942 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:50:26,942 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:50:26,944 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:50:26,944 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:50:26,945 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:50:26,946 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:50:26,946 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:50:26,946 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:50:26,947 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:50:26,947 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:50:26,948 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:50:26,948 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:50:26,948 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:50:26,949 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:50:26,949 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:50:26,949 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:50:26,949 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:50:26,950 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:50:26,950 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:50:26,950 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:50:26,950 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:50:26,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:50:26,951 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:50:26,951 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:50:26,951 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:50:26,952 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:50:26,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:50:26,954 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:50:26,954 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_e02ae4e0-3e95-49d6-b60c-eacfdfa236d8/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02ae4e0-3e95-49d6-b60c-eacfdfa236d8/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 471d591bac756b3641e5eebd3ed64b220338148881b3c7fbab3f4295451226cd [2022-10-17 16:50:27,235 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:50:27,265 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:50:27,268 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:50:27,269 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:50:27,270 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:50:27,272 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02ae4e0-3e95-49d6-b60c-eacfdfa236d8/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/eca-rers2012/Problem02_label14.c [2022-10-17 16:50:27,359 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02ae4e0-3e95-49d6-b60c-eacfdfa236d8/bin/ukojak-92XMlrwhuB/data/e8e57546f/d691338a7b1c45b0bd83480415bc1478/FLAGb597c7e6e [2022-10-17 16:50:27,898 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:50:27,899 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02ae4e0-3e95-49d6-b60c-eacfdfa236d8/sv-benchmarks/c/eca-rers2012/Problem02_label14.c [2022-10-17 16:50:27,916 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02ae4e0-3e95-49d6-b60c-eacfdfa236d8/bin/ukojak-92XMlrwhuB/data/e8e57546f/d691338a7b1c45b0bd83480415bc1478/FLAGb597c7e6e [2022-10-17 16:50:28,187 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02ae4e0-3e95-49d6-b60c-eacfdfa236d8/bin/ukojak-92XMlrwhuB/data/e8e57546f/d691338a7b1c45b0bd83480415bc1478 [2022-10-17 16:50:28,190 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:50:28,192 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:50:28,194 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:50:28,194 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:50:28,198 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:50:28,199 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:50:28" (1/1) ... [2022-10-17 16:50:28,200 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75ea7fbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:28, skipping insertion in model container [2022-10-17 16:50:28,200 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:50:28" (1/1) ... [2022-10-17 16:50:28,211 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:50:28,255 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:50:28,687 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_e02ae4e0-3e95-49d6-b60c-eacfdfa236d8/sv-benchmarks/c/eca-rers2012/Problem02_label14.c[18715,18728] [2022-10-17 16:50:28,756 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:50:28,767 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:50:28,930 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_e02ae4e0-3e95-49d6-b60c-eacfdfa236d8/sv-benchmarks/c/eca-rers2012/Problem02_label14.c[18715,18728] [2022-10-17 16:50:28,958 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:50:28,982 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:50:28,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:28 WrapperNode [2022-10-17 16:50:28,983 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:50:28,985 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:50:28,985 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:50:28,987 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:50:28,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:28" (1/1) ... [2022-10-17 16:50:29,027 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:28" (1/1) ... [2022-10-17 16:50:29,091 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 668 [2022-10-17 16:50:29,092 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:50:29,092 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:50:29,093 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:50:29,093 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:50:29,103 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:28" (1/1) ... [2022-10-17 16:50:29,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:28" (1/1) ... [2022-10-17 16:50:29,108 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:28" (1/1) ... [2022-10-17 16:50:29,108 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:28" (1/1) ... [2022-10-17 16:50:29,137 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:28" (1/1) ... [2022-10-17 16:50:29,160 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:28" (1/1) ... [2022-10-17 16:50:29,181 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:28" (1/1) ... [2022-10-17 16:50:29,186 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:28" (1/1) ... [2022-10-17 16:50:29,204 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:50:29,206 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:50:29,206 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:50:29,206 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:50:29,207 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:28" (1/1) ... [2022-10-17 16:50:29,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:50:29,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02ae4e0-3e95-49d6-b60c-eacfdfa236d8/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:50:29,248 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02ae4e0-3e95-49d6-b60c-eacfdfa236d8/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:50:29,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02ae4e0-3e95-49d6-b60c-eacfdfa236d8/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:50:29,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:50:29,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:50:29,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:50:29,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:50:29,427 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:50:29,429 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:50:30,662 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:50:31,031 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:50:31,032 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:50:31,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:50:31 BoogieIcfgContainer [2022-10-17 16:50:31,036 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:50:31,038 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:50:31,038 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:50:31,049 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:50:31,050 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:50:31" (1/1) ... [2022-10-17 16:50:31,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:50:31,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:31,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2022-10-17 16:50:31,185 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2022-10-17 16:50:31,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-10-17 16:50:31,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:31,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:31,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:31,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:32,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:32,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 163 states and 250 transitions. [2022-10-17 16:50:32,374 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 250 transitions. [2022-10-17 16:50:32,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-17 16:50:32,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:32,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:32,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:32,577 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:33,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:33,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 242 states and 332 transitions. [2022-10-17 16:50:33,373 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 332 transitions. [2022-10-17 16:50:33,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-17 16:50:33,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:33,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:33,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:33,569 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:33,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:33,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 251 states and 343 transitions. [2022-10-17 16:50:33,673 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 343 transitions. [2022-10-17 16:50:33,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-17 16:50:33,675 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:33,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:33,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:33,816 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:33,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:33,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 256 states and 348 transitions. [2022-10-17 16:50:33,882 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 348 transitions. [2022-10-17 16:50:33,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-17 16:50:33,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:33,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:33,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:34,036 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:50:34,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:34,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 270 states and 364 transitions. [2022-10-17 16:50:34,229 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 364 transitions. [2022-10-17 16:50:34,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-17 16:50:34,231 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:34,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:34,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:34,383 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:34,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:34,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 277 states and 371 transitions. [2022-10-17 16:50:34,462 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 371 transitions. [2022-10-17 16:50:34,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-10-17 16:50:34,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:34,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:34,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:34,602 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:34,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:34,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 283 states and 377 transitions. [2022-10-17 16:50:34,664 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 377 transitions. [2022-10-17 16:50:34,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-17 16:50:34,665 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:34,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:34,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:34,788 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:35,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:35,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 307 states and 404 transitions. [2022-10-17 16:50:35,094 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 404 transitions. [2022-10-17 16:50:35,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-10-17 16:50:35,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:35,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:35,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:35,225 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:36,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:36,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 386 states and 502 transitions. [2022-10-17 16:50:36,014 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 502 transitions. [2022-10-17 16:50:36,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-10-17 16:50:36,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:36,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:36,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:36,106 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:36,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:36,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 410 states and 529 transitions. [2022-10-17 16:50:36,414 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 529 transitions. [2022-10-17 16:50:36,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-10-17 16:50:36,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:36,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:36,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:36,538 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:50:36,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:36,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 413 states and 534 transitions. [2022-10-17 16:50:36,746 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 534 transitions. [2022-10-17 16:50:36,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-10-17 16:50:36,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:36,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:36,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:36,841 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:50:37,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:37,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 422 states and 544 transitions. [2022-10-17 16:50:37,021 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 544 transitions. [2022-10-17 16:50:37,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-10-17 16:50:37,023 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:37,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:37,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:37,175 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 16:50:37,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:37,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 440 states and 565 transitions. [2022-10-17 16:50:37,397 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 565 transitions. [2022-10-17 16:50:37,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-10-17 16:50:37,399 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:37,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:37,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:37,505 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:50:37,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:37,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 443 states and 568 transitions. [2022-10-17 16:50:37,569 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 568 transitions. [2022-10-17 16:50:37,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-10-17 16:50:37,571 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:37,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:37,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:37,667 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-17 16:50:37,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:37,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 445 states and 570 transitions. [2022-10-17 16:50:37,712 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 570 transitions. [2022-10-17 16:50:37,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-10-17 16:50:37,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:37,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:37,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:37,886 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:38,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:38,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 524 states and 654 transitions. [2022-10-17 16:50:38,643 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 654 transitions. [2022-10-17 16:50:38,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-10-17 16:50:38,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:38,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:38,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:38,828 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 16:50:39,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:39,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 548 states and 683 transitions. [2022-10-17 16:50:39,256 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 683 transitions. [2022-10-17 16:50:39,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-10-17 16:50:39,258 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:39,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:39,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:39,389 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 16:50:40,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:40,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 584 states and 722 transitions. [2022-10-17 16:50:40,066 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 722 transitions. [2022-10-17 16:50:40,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-10-17 16:50:40,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:40,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:40,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:40,438 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 56 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:41,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:41,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 631 states and 780 transitions. [2022-10-17 16:50:41,234 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 780 transitions. [2022-10-17 16:50:41,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-10-17 16:50:41,236 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:41,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:41,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:41,360 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:50:41,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:41,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 661 states and 813 transitions. [2022-10-17 16:50:41,952 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 813 transitions. [2022-10-17 16:50:41,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-10-17 16:50:41,955 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:41,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:41,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:42,067 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-17 16:50:42,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:42,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 695 states and 850 transitions. [2022-10-17 16:50:42,328 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 850 transitions. [2022-10-17 16:50:42,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-10-17 16:50:42,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:42,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:42,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:42,508 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-17 16:50:43,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:43,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 746 states and 910 transitions. [2022-10-17 16:50:43,301 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 910 transitions. [2022-10-17 16:50:43,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-10-17 16:50:43,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:43,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:43,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:43,412 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-10-17 16:50:43,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:43,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 756 states and 919 transitions. [2022-10-17 16:50:43,573 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 919 transitions. [2022-10-17 16:50:43,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-10-17 16:50:43,577 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:43,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:43,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:44,095 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 69 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:45,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:45,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 825 states and 994 transitions. [2022-10-17 16:50:45,590 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 994 transitions. [2022-10-17 16:50:45,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-10-17 16:50:45,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:45,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:45,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:46,279 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 65 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:50:48,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:48,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 972 states and 1147 transitions. [2022-10-17 16:50:48,416 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1147 transitions. [2022-10-17 16:50:48,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-10-17 16:50:48,419 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:48,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:48,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:48,581 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-10-17 16:50:48,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:48,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 974 states and 1152 transitions. [2022-10-17 16:50:48,778 INFO L276 IsEmpty]: Start isEmpty. Operand 974 states and 1152 transitions. [2022-10-17 16:50:48,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-10-17 16:50:48,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:48,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:48,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:48,943 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-10-17 16:50:49,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:49,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 975 states and 1152 transitions. [2022-10-17 16:50:49,036 INFO L276 IsEmpty]: Start isEmpty. Operand 975 states and 1152 transitions. [2022-10-17 16:50:49,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-10-17 16:50:49,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:49,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:49,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:49,182 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-10-17 16:50:49,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:49,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 976 states and 1152 transitions. [2022-10-17 16:50:49,256 INFO L276 IsEmpty]: Start isEmpty. Operand 976 states and 1152 transitions. [2022-10-17 16:50:49,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2022-10-17 16:50:49,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:49,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:49,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:50:49,436 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-10-17 16:50:49,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:49,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 895 states and 1058 transitions. [2022-10-17 16:50:49,513 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 1058 transitions. [2022-10-17 16:50:49,515 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 16:50:49,515 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 30 iterations. [2022-10-17 16:50:49,524 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-10-17 16:50:53,294 INFO L560 CodeCheckObserver]: Invariant with dag size 22 [2022-10-17 16:50:53,304 INFO L560 CodeCheckObserver]: Invariant with dag size 22 [2022-10-17 16:50:53,306 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:50:53,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:50:53 ImpRootNode [2022-10-17 16:50:53,307 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:50:53,307 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:50:53,307 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:50:53,308 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:50:53,308 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:50:31" (3/4) ... [2022-10-17 16:50:53,312 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 16:50:53,337 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 116 nodes and edges [2022-10-17 16:50:53,339 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2022-10-17 16:50:53,340 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-10-17 16:50:53,342 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 16:50:53,506 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02ae4e0-3e95-49d6-b60c-eacfdfa236d8/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:50:53,506 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:50:53,507 INFO L158 Benchmark]: Toolchain (without parser) took 25314.87ms. Allocated memory was 117.4MB in the beginning and 423.6MB in the end (delta: 306.2MB). Free memory was 75.5MB in the beginning and 200.5MB in the end (delta: -125.0MB). Peak memory consumption was 180.3MB. Max. memory is 16.1GB. [2022-10-17 16:50:53,507 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 94.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:50:53,507 INFO L158 Benchmark]: CACSL2BoogieTranslator took 790.04ms. Allocated memory is still 117.4MB. Free memory was 75.3MB in the beginning and 74.7MB in the end (delta: 640.2kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:50:53,508 INFO L158 Benchmark]: Boogie Procedure Inliner took 107.24ms. Allocated memory is still 117.4MB. Free memory was 74.7MB in the beginning and 69.1MB in the end (delta: 5.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 16:50:53,508 INFO L158 Benchmark]: Boogie Preprocessor took 111.71ms. Allocated memory is still 117.4MB. Free memory was 69.1MB in the beginning and 64.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 16:50:53,508 INFO L158 Benchmark]: RCFGBuilder took 1830.73ms. Allocated memory is still 117.4MB. Free memory was 64.9MB in the beginning and 38.5MB in the end (delta: 26.4MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. [2022-10-17 16:50:53,509 INFO L158 Benchmark]: CodeCheck took 22268.64ms. Allocated memory was 117.4MB in the beginning and 423.6MB in the end (delta: 306.2MB). Free memory was 38.5MB in the beginning and 211.0MB in the end (delta: -172.5MB). Peak memory consumption was 163.4MB. Max. memory is 16.1GB. [2022-10-17 16:50:53,509 INFO L158 Benchmark]: Witness Printer took 198.83ms. Allocated memory is still 423.6MB. Free memory was 211.0MB in the beginning and 200.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:50:53,511 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, 85 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 18.4s, OverallIterations: 30, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 27744 SdHoareTripleChecker+Valid, 83.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 27491 mSDsluCounter, 4443 SdHoareTripleChecker+Invalid, 67.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3704 mSDsCounter, 12454 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 65555 IncrementalHoareTripleChecker+Invalid, 78009 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12454 mSolverCounterUnsat, 739 mSDtfsCounter, 65555 mSolverCounterSat, 0.9s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 27757 GetRequests, 27517 SyntacticMatches, 58 SemanticMatches, 182 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15814 ImplicationChecksByTransitivity, 5.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 3733 NumberOfCodeBlocks, 3733 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 3704 ConstructedInterpolants, 0 QuantifiedInterpolants, 10121 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 29 InterpolantComputations, 26 PerfectInterpolantSequences, 1656/1685 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: 533]: 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: 39]: Loop Invariant Derived loop invariant: (((10 <= a28 || a25 == 1) || (((a17 == 8 && a21 == 1) && a19 == 1) && a28 == 9)) || !(a11 == 1)) || a28 <= 7 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: (((10 <= a28 || a25 == 1) || (((a17 == 8 && a21 == 1) && a19 == 1) && a28 == 9)) || !(a11 == 1)) || a28 <= 7 - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory is still 94.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 790.04ms. Allocated memory is still 117.4MB. Free memory was 75.3MB in the beginning and 74.7MB in the end (delta: 640.2kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 107.24ms. Allocated memory is still 117.4MB. Free memory was 74.7MB in the beginning and 69.1MB in the end (delta: 5.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 111.71ms. Allocated memory is still 117.4MB. Free memory was 69.1MB in the beginning and 64.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1830.73ms. Allocated memory is still 117.4MB. Free memory was 64.9MB in the beginning and 38.5MB in the end (delta: 26.4MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. * CodeCheck took 22268.64ms. Allocated memory was 117.4MB in the beginning and 423.6MB in the end (delta: 306.2MB). Free memory was 38.5MB in the beginning and 211.0MB in the end (delta: -172.5MB). Peak memory consumption was 163.4MB. Max. memory is 16.1GB. * Witness Printer took 198.83ms. Allocated memory is still 423.6MB. Free memory was 211.0MB in the beginning and 200.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-10-17 16:50:53,572 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e02ae4e0-3e95-49d6-b60c-eacfdfa236d8/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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