./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops-crafted-1/vnew2.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_2f9992de-72bd-4e3b-bf01-583aad9fa289/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f9992de-72bd-4e3b-bf01-583aad9fa289/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_2f9992de-72bd-4e3b-bf01-583aad9fa289/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f9992de-72bd-4e3b-bf01-583aad9fa289/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/loops-crafted-1/vnew2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f9992de-72bd-4e3b-bf01-583aad9fa289/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_2f9992de-72bd-4e3b-bf01-583aad9fa289/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 6cb26fc448cefa547e2463448c16c0efba841bf620bbd2ba420ae15e288e3a3f --- 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 17:01:05,307 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:01:05,309 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:01:05,362 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:01:05,363 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:01:05,367 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:01:05,370 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:01:05,373 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:01:05,377 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:01:05,385 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:01:05,386 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:01:05,392 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:01:05,393 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:01:05,396 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:01:05,398 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:01:05,401 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:01:05,403 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:01:05,404 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:01:05,406 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:01:05,415 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:01:05,417 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:01:05,419 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:01:05,422 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:01:05,424 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:01:05,434 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:01:05,435 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:01:05,435 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:01:05,437 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:01:05,438 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:01:05,439 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:01:05,440 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:01:05,441 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:01:05,444 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:01:05,445 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:01:05,447 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:01:05,447 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:01:05,448 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:01:05,448 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:01:05,449 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:01:05,450 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:01:05,450 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:01:05,453 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f9992de-72bd-4e3b-bf01-583aad9fa289/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:01:05,504 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:01:05,504 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:01:05,505 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:01:05,505 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:01:05,506 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:01:05,509 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:01:05,509 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:01:05,509 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:01:05,510 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:01:05,510 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:01:05,511 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:01:05,511 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:01:05,511 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:01:05,512 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:01:05,512 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:01:05,512 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:01:05,512 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:01:05,512 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:01:05,513 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:01:05,513 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:01:05,513 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:01:05,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:01:05,514 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:01:05,514 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:01:05,514 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:01:05,514 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:01:05,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:01:05,515 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:01:05,515 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_2f9992de-72bd-4e3b-bf01-583aad9fa289/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f9992de-72bd-4e3b-bf01-583aad9fa289/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6cb26fc448cefa547e2463448c16c0efba841bf620bbd2ba420ae15e288e3a3f [2022-10-17 17:01:05,852 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:01:05,874 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:01:05,877 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:01:05,878 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:01:05,879 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:01:05,881 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f9992de-72bd-4e3b-bf01-583aad9fa289/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/loops-crafted-1/vnew2.c [2022-10-17 17:01:05,951 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f9992de-72bd-4e3b-bf01-583aad9fa289/bin/ukojak-92XMlrwhuB/data/33e623ebf/afcb1000ffa3470081d6a03131279133/FLAGae77ce3f1 [2022-10-17 17:01:06,434 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:01:06,436 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f9992de-72bd-4e3b-bf01-583aad9fa289/sv-benchmarks/c/loops-crafted-1/vnew2.c [2022-10-17 17:01:06,441 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f9992de-72bd-4e3b-bf01-583aad9fa289/bin/ukojak-92XMlrwhuB/data/33e623ebf/afcb1000ffa3470081d6a03131279133/FLAGae77ce3f1 [2022-10-17 17:01:06,794 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f9992de-72bd-4e3b-bf01-583aad9fa289/bin/ukojak-92XMlrwhuB/data/33e623ebf/afcb1000ffa3470081d6a03131279133 [2022-10-17 17:01:06,797 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:01:06,798 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:01:06,800 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:01:06,800 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:01:06,803 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:01:06,804 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:01:06" (1/1) ... [2022-10-17 17:01:06,805 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7121692 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:06, skipping insertion in model container [2022-10-17 17:01:06,806 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:01:06" (1/1) ... [2022-10-17 17:01:06,813 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:01:06,827 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:01:07,009 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_2f9992de-72bd-4e3b-bf01-583aad9fa289/sv-benchmarks/c/loops-crafted-1/vnew2.c[403,416] [2022-10-17 17:01:07,034 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:01:07,044 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:01:07,060 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_2f9992de-72bd-4e3b-bf01-583aad9fa289/sv-benchmarks/c/loops-crafted-1/vnew2.c[403,416] [2022-10-17 17:01:07,076 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:01:07,095 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:01:07,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:07 WrapperNode [2022-10-17 17:01:07,095 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:01:07,097 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:01:07,097 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:01:07,098 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:01:07,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:07" (1/1) ... [2022-10-17 17:01:07,115 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:07" (1/1) ... [2022-10-17 17:01:07,139 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 40 [2022-10-17 17:01:07,139 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:01:07,140 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:01:07,140 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:01:07,140 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:01:07,150 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:07" (1/1) ... [2022-10-17 17:01:07,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:07" (1/1) ... [2022-10-17 17:01:07,161 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:07" (1/1) ... [2022-10-17 17:01:07,162 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:07" (1/1) ... [2022-10-17 17:01:07,165 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:07" (1/1) ... [2022-10-17 17:01:07,169 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:07" (1/1) ... [2022-10-17 17:01:07,170 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:07" (1/1) ... [2022-10-17 17:01:07,171 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:07" (1/1) ... [2022-10-17 17:01:07,172 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:01:07,173 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:01:07,173 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:01:07,174 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:01:07,182 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:01:07" (1/1) ... [2022-10-17 17:01:07,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:01:07,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f9992de-72bd-4e3b-bf01-583aad9fa289/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:01:07,220 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f9992de-72bd-4e3b-bf01-583aad9fa289/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:01:07,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2f9992de-72bd-4e3b-bf01-583aad9fa289/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:01:07,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:01:07,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:01:07,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:01:07,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:01:07,341 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:01:07,343 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:01:07,525 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:01:07,547 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:01:07,547 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 17:01:07,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:01:07 BoogieIcfgContainer [2022-10-17 17:01:07,550 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:01:07,552 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:01:07,552 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:01:07,562 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:01:07,562 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:01:07" (1/1) ... [2022-10-17 17:01:07,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:01:07,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:07,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2022-10-17 17:01:07,661 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2022-10-17 17:01:07,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 17:01:07,663 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:07,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:07,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:07,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-17 17:01:07,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:07,940 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 17:01:08,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:08,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2022-10-17 17:01:08,012 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2022-10-17 17:01:08,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:01:08,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:08,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:08,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:08,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 17:01:08,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:08,509 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:09,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:09,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 17 states and 26 transitions. [2022-10-17 17:01:09,120 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 26 transitions. [2022-10-17 17:01:09,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 17:01:09,120 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:09,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:09,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:09,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 25 conjunts are in the unsatisfiable core [2022-10-17 17:01:09,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:09,322 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:09,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:09,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2022-10-17 17:01:09,787 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2022-10-17 17:01:09,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 17:01:09,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:09,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:09,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:09,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 31 conjunts are in the unsatisfiable core [2022-10-17 17:01:09,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:10,129 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:10,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:10,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 21 states and 34 transitions. [2022-10-17 17:01:10,630 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 34 transitions. [2022-10-17 17:01:10,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 17:01:10,630 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:10,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:10,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:10,675 WARN L261 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 37 conjunts are in the unsatisfiable core [2022-10-17 17:01:10,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:10,891 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:11,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:11,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 23 states and 38 transitions. [2022-10-17 17:01:11,633 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 38 transitions. [2022-10-17 17:01:11,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 17:01:11,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:11,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:11,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:11,712 WARN L261 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 43 conjunts are in the unsatisfiable core [2022-10-17 17:01:11,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:12,031 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:12,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:12,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 25 states and 42 transitions. [2022-10-17 17:01:12,816 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 42 transitions. [2022-10-17 17:01:12,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 17:01:12,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:12,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:12,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:12,886 WARN L261 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 49 conjunts are in the unsatisfiable core [2022-10-17 17:01:12,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:13,255 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:14,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:14,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 27 states and 46 transitions. [2022-10-17 17:01:14,162 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 46 transitions. [2022-10-17 17:01:14,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 17:01:14,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:14,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:14,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:14,216 WARN L261 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 55 conjunts are in the unsatisfiable core [2022-10-17 17:01:14,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:14,584 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:15,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:15,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 29 states and 50 transitions. [2022-10-17 17:01:15,621 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 50 transitions. [2022-10-17 17:01:15,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:01:15,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:15,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:15,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:15,706 WARN L261 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 61 conjunts are in the unsatisfiable core [2022-10-17 17:01:15,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:16,180 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:17,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:17,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 31 states and 54 transitions. [2022-10-17 17:01:17,364 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 54 transitions. [2022-10-17 17:01:17,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 17:01:17,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:17,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:17,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:17,421 WARN L261 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 67 conjunts are in the unsatisfiable core [2022-10-17 17:01:17,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:17,933 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:19,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:19,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 33 states and 58 transitions. [2022-10-17 17:01:19,239 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 58 transitions. [2022-10-17 17:01:19,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 17:01:19,240 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:19,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:19,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:19,291 WARN L261 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 73 conjunts are in the unsatisfiable core [2022-10-17 17:01:19,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:19,853 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:21,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:21,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 35 states and 62 transitions. [2022-10-17 17:01:21,233 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 62 transitions. [2022-10-17 17:01:21,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 17:01:21,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:21,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:21,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:21,301 WARN L261 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 79 conjunts are in the unsatisfiable core [2022-10-17 17:01:21,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:21,910 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:23,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:23,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 37 states and 66 transitions. [2022-10-17 17:01:23,229 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 66 transitions. [2022-10-17 17:01:23,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 17:01:23,230 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:23,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:23,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:23,304 WARN L261 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 85 conjunts are in the unsatisfiable core [2022-10-17 17:01:23,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:23,755 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:25,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:25,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 39 states and 70 transitions. [2022-10-17 17:01:25,197 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2022-10-17 17:01:25,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 17:01:25,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:25,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:25,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:25,309 WARN L261 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 89 conjunts are in the unsatisfiable core [2022-10-17 17:01:25,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:25,791 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:27,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:27,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 41 states and 74 transitions. [2022-10-17 17:01:27,136 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 74 transitions. [2022-10-17 17:01:27,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 17:01:27,137 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:27,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:27,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:27,212 WARN L261 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 97 conjunts are in the unsatisfiable core [2022-10-17 17:01:27,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:27,740 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:29,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:29,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 43 states and 78 transitions. [2022-10-17 17:01:29,470 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 78 transitions. [2022-10-17 17:01:29,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 17:01:29,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:29,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:29,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:29,567 WARN L261 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 104 conjunts are in the unsatisfiable core [2022-10-17 17:01:29,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:30,650 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:33,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:33,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 45 states and 79 transitions. [2022-10-17 17:01:33,251 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 79 transitions. [2022-10-17 17:01:33,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 17:01:33,251 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:33,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:33,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:33,340 WARN L261 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 109 conjunts are in the unsatisfiable core [2022-10-17 17:01:33,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:34,412 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:01:37,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:37,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 47 states and 83 transitions. [2022-10-17 17:01:37,718 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 83 transitions. [2022-10-17 17:01:37,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 17:01:37,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:37,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:37,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:37,792 WARN L261 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 115 conjunts are in the unsatisfiable core [2022-10-17 17:01:37,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:38,652 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.