./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem04_label04.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_598df355-c5ec-4b43-9528-d7101609f153/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598df355-c5ec-4b43-9528-d7101609f153/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_598df355-c5ec-4b43-9528-d7101609f153/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598df355-c5ec-4b43-9528-d7101609f153/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem04_label04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598df355-c5ec-4b43-9528-d7101609f153/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_598df355-c5ec-4b43-9528-d7101609f153/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 89dfb500a00eff31cb7dd580f810b05631864432876ef8b05a579a20c41b2b3d --- 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 16:28:58,513 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:28:58,516 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:28:58,557 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:28:58,558 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:28:58,559 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:28:58,561 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:28:58,563 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:28:58,566 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:28:58,567 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:28:58,568 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:28:58,570 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:28:58,570 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:28:58,571 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:28:58,573 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:28:58,574 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:28:58,575 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:28:58,577 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:28:58,579 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:28:58,582 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:28:58,583 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:28:58,585 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:28:58,586 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:28:58,588 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:28:58,592 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:28:58,593 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:28:58,593 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:28:58,595 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:28:58,595 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:28:58,597 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:28:58,597 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:28:58,598 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:28:58,599 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:28:58,600 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:28:58,601 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:28:58,602 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:28:58,603 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:28:58,603 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:28:58,604 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:28:58,605 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:28:58,606 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:28:58,606 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598df355-c5ec-4b43-9528-d7101609f153/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:28:58,649 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:28:58,649 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:28:58,650 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:28:58,650 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:28:58,651 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:28:58,651 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:28:58,651 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:28:58,652 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:28:58,652 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:28:58,652 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:28:58,652 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:28:58,652 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:28:58,653 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:28:58,653 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:28:58,653 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:28:58,653 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:28:58,653 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:28:58,653 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:28:58,654 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:28:58,654 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:28:58,654 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:28:58,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:28:58,655 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:28:58,655 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:28:58,655 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:28:58,655 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:28:58,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:28:58,656 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:28:58,656 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_598df355-c5ec-4b43-9528-d7101609f153/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598df355-c5ec-4b43-9528-d7101609f153/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89dfb500a00eff31cb7dd580f810b05631864432876ef8b05a579a20c41b2b3d [2022-10-17 16:28:58,963 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:28:58,995 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:28:58,998 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:28:59,000 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:28:59,001 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:28:59,005 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598df355-c5ec-4b43-9528-d7101609f153/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/eca-rers2012/Problem04_label04.c [2022-10-17 16:28:59,101 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598df355-c5ec-4b43-9528-d7101609f153/bin/ukojak-92XMlrwhuB/data/08d20069f/d04e73627b5d4235a862894704cbb948/FLAGb10332e48 [2022-10-17 16:28:59,897 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:28:59,898 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598df355-c5ec-4b43-9528-d7101609f153/sv-benchmarks/c/eca-rers2012/Problem04_label04.c [2022-10-17 16:28:59,938 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598df355-c5ec-4b43-9528-d7101609f153/bin/ukojak-92XMlrwhuB/data/08d20069f/d04e73627b5d4235a862894704cbb948/FLAGb10332e48 [2022-10-17 16:29:00,424 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598df355-c5ec-4b43-9528-d7101609f153/bin/ukojak-92XMlrwhuB/data/08d20069f/d04e73627b5d4235a862894704cbb948 [2022-10-17 16:29:00,428 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:29:00,429 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:29:00,431 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:29:00,431 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:29:00,434 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:29:00,435 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:29:00" (1/1) ... [2022-10-17 16:29:00,437 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f5d7f00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:00, skipping insertion in model container [2022-10-17 16:29:00,437 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:29:00" (1/1) ... [2022-10-17 16:29:00,444 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:29:00,568 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:29:02,011 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_598df355-c5ec-4b43-9528-d7101609f153/sv-benchmarks/c/eca-rers2012/Problem04_label04.c[177460,177473] [2022-10-17 16:29:02,042 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:29:02,059 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:29:02,837 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_598df355-c5ec-4b43-9528-d7101609f153/sv-benchmarks/c/eca-rers2012/Problem04_label04.c[177460,177473] [2022-10-17 16:29:02,853 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:29:02,885 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:29:02,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:02 WrapperNode [2022-10-17 16:29:02,886 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:29:02,905 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:29:02,906 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:29:02,907 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:29:02,916 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:02" (1/1) ... [2022-10-17 16:29:03,004 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:02" (1/1) ... [2022-10-17 16:29:03,232 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 5572 [2022-10-17 16:29:03,237 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:29:03,238 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:29:03,238 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:29:03,239 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:29:03,248 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:02" (1/1) ... [2022-10-17 16:29:03,249 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:02" (1/1) ... [2022-10-17 16:29:03,280 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:02" (1/1) ... [2022-10-17 16:29:03,280 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:02" (1/1) ... [2022-10-17 16:29:03,387 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:02" (1/1) ... [2022-10-17 16:29:03,415 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:02" (1/1) ... [2022-10-17 16:29:03,434 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:02" (1/1) ... [2022-10-17 16:29:03,446 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:02" (1/1) ... [2022-10-17 16:29:03,473 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:29:03,474 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:29:03,474 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:29:03,474 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:29:03,475 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:29:02" (1/1) ... [2022-10-17 16:29:03,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:29:03,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598df355-c5ec-4b43-9528-d7101609f153/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:29:03,598 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598df355-c5ec-4b43-9528-d7101609f153/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:29:03,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_598df355-c5ec-4b43-9528-d7101609f153/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:29:03,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:29:03,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:29:03,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:29:03,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:29:03,734 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:29:03,737 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:29:08,476 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:29:08,953 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:29:08,953 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:29:08,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:29:08 BoogieIcfgContainer [2022-10-17 16:29:08,959 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:29:08,961 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:29:08,961 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:29:08,972 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:29:08,972 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:29:08" (1/1) ... [2022-10-17 16:29:08,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:29:09,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:09,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 763 states and 1515 transitions. [2022-10-17 16:29:09,108 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 1515 transitions. [2022-10-17 16:29:09,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 756 [2022-10-17 16:29:09,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:09,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:09,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:29:18,847 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 16:29:24,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:29:24,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2233 states to 1482 states and 2233 transitions. [2022-10-17 16:29:24,954 INFO L276 IsEmpty]: Start isEmpty. Operand 1482 states and 2233 transitions. [2022-10-17 16:29:24,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 771 [2022-10-17 16:29:24,976 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:29:24,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:29:25,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat