./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-programs/Problem102_label04.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e225cb13-ac80-4864-9733-2b070d0bd93c/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e225cb13-ac80-4864-9733-2b070d0bd93c/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e225cb13-ac80-4864-9733-2b070d0bd93c/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e225cb13-ac80-4864-9733-2b070d0bd93c/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-programs/Problem102_label04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e225cb13-ac80-4864-9733-2b070d0bd93c/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e225cb13-ac80-4864-9733-2b070d0bd93c/bin/ukojak-rkRKPMF4O4 --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 1a0674d28ea4eb900bb2edd7354f82733a34c86db849a20d7f4694acf3a851db --- 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-2329fc7 [2022-12-15 00:15:09,439 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 00:15:09,440 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 00:15:09,454 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 00:15:09,454 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 00:15:09,455 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 00:15:09,455 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 00:15:09,457 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 00:15:09,458 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 00:15:09,458 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 00:15:09,459 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 00:15:09,460 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 00:15:09,460 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 00:15:09,461 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 00:15:09,462 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 00:15:09,462 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 00:15:09,463 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 00:15:09,464 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 00:15:09,465 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 00:15:09,466 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 00:15:09,467 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 00:15:09,468 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 00:15:09,469 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 00:15:09,470 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 00:15:09,472 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 00:15:09,472 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 00:15:09,472 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 00:15:09,473 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 00:15:09,473 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 00:15:09,474 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 00:15:09,474 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 00:15:09,475 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 00:15:09,476 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 00:15:09,476 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 00:15:09,477 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 00:15:09,477 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 00:15:09,478 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 00:15:09,478 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 00:15:09,478 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 00:15:09,479 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 00:15:09,479 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 00:15:09,480 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e225cb13-ac80-4864-9733-2b070d0bd93c/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-15 00:15:09,501 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 00:15:09,501 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 00:15:09,502 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 00:15:09,502 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 00:15:09,503 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 00:15:09,503 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 00:15:09,503 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 00:15:09,504 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 00:15:09,504 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 00:15:09,504 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 00:15:09,504 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 00:15:09,504 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 00:15:09,505 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 00:15:09,505 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 00:15:09,505 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 00:15:09,505 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 00:15:09,505 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 00:15:09,505 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 00:15:09,506 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 00:15:09,506 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 00:15:09,506 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 00:15:09,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:15:09,506 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 00:15:09,507 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 00:15:09,507 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 00:15:09,507 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 00:15:09,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 00:15:09,507 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 00:15:09,508 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_e225cb13-ac80-4864-9733-2b070d0bd93c/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e225cb13-ac80-4864-9733-2b070d0bd93c/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a0674d28ea4eb900bb2edd7354f82733a34c86db849a20d7f4694acf3a851db [2022-12-15 00:15:09,669 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 00:15:09,689 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 00:15:09,691 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 00:15:09,692 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 00:15:09,692 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 00:15:09,693 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e225cb13-ac80-4864-9733-2b070d0bd93c/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/eca-programs/Problem102_label04.c [2022-12-15 00:15:12,196 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 00:15:13,934 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 00:15:13,935 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e225cb13-ac80-4864-9733-2b070d0bd93c/sv-benchmarks/c/eca-programs/Problem102_label04.c [2022-12-15 00:15:14,172 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e225cb13-ac80-4864-9733-2b070d0bd93c/bin/ukojak-rkRKPMF4O4/data/4005916dc/d71c1419d4c24a77b76a641fbe114f44/FLAGe2075fd02 [2022-12-15 00:15:14,267 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e225cb13-ac80-4864-9733-2b070d0bd93c/bin/ukojak-rkRKPMF4O4/data/4005916dc/d71c1419d4c24a77b76a641fbe114f44 [2022-12-15 00:15:14,269 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 00:15:14,270 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 00:15:14,270 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 00:15:14,271 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 00:15:14,273 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 00:15:14,274 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:15:14" (1/1) ... [2022-12-15 00:15:14,274 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73609225 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:15:14, skipping insertion in model container [2022-12-15 00:15:14,274 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:15:14" (1/1) ... [2022-12-15 00:15:14,280 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 00:15:15,396 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 00:15:37,901 WARN L237 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_e225cb13-ac80-4864-9733-2b070d0bd93c/sv-benchmarks/c/eca-programs/Problem102_label04.c[5710364,5710377] [2022-12-15 00:15:37,996 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:15:38,003 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 00:15:49,923 WARN L237 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_e225cb13-ac80-4864-9733-2b070d0bd93c/sv-benchmarks/c/eca-programs/Problem102_label04.c[5710364,5710377] [2022-12-15 00:15:49,934 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:15:53,093 INFO L208 MainTranslator]: Completed translation [2022-12-15 00:15:53,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:15:53 WrapperNode [2022-12-15 00:15:53,094 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 00:15:53,094 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 00:15:53,094 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 00:15:53,095 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 00:15:53,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:15:53" (1/1) ... [2022-12-15 00:15:53,821 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:15:53" (1/1) ... [2022-12-15 00:15:56,344 INFO L138 Inliner]: procedures = 95, calls = 89, calls flagged for inlining = 84, calls inlined = 84, statements flattened = 184295 [2022-12-15 00:15:56,345 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 00:15:56,346 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 00:15:56,346 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 00:15:56,346 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 00:15:56,354 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:15:53" (1/1) ... [2022-12-15 00:15:56,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:15:53" (1/1) ... [2022-12-15 00:15:56,805 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:15:53" (1/1) ... [2022-12-15 00:15:56,806 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:15:53" (1/1) ... [2022-12-15 00:15:57,855 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:15:53" (1/1) ... [2022-12-15 00:15:58,044 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:15:53" (1/1) ... [2022-12-15 00:15:58,208 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:15:53" (1/1) ... [2022-12-15 00:15:58,308 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:15:53" (1/1) ... [2022-12-15 00:15:58,926 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 00:15:58,927 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 00:15:58,927 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 00:15:58,927 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 00:15:58,928 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:15:53" (1/1) ... [2022-12-15 00:15:58,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:15:58,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e225cb13-ac80-4864-9733-2b070d0bd93c/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 00:15:58,952 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e225cb13-ac80-4864-9733-2b070d0bd93c/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 00:15:58,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e225cb13-ac80-4864-9733-2b070d0bd93c/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 00:15:58,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 00:15:58,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 00:15:58,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 00:15:58,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 00:15:59,307 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 00:15:59,308 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 00:16:58,619 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 00:18:12,972 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 00:18:12,972 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-15 00:18:12,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:18:12 BoogieIcfgContainer [2022-12-15 00:18:12,985 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 00:18:12,985 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 00:18:12,985 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 00:18:12,992 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 00:18:12,992 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:18:12" (1/1) ... [2022-12-15 00:18:12,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 00:18:13,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:18:13,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35805 states to 17947 states and 35805 transitions. [2022-12-15 00:18:13,269 INFO L276 IsEmpty]: Start isEmpty. Operand 17947 states and 35805 transitions. [2022-12-15 00:18:14,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17862 [2022-12-15 00:18:14,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:18:14,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:18:18,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:19:43,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:20:44,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:20:44,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62796 states to 35806 states and 62796 transitions. [2022-12-15 00:20:44,940 INFO L276 IsEmpty]: Start isEmpty. Operand 35806 states and 62796 transitions. [2022-12-15 00:20:46,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17866 [2022-12-15 00:20:46,624 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:20:46,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:20:48,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:21:57,083 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:21:58,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:21:58,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62801 states to 35809 states and 62801 transitions. [2022-12-15 00:21:58,571 INFO L276 IsEmpty]: Start isEmpty. Operand 35809 states and 62801 transitions. [2022-12-15 00:22:00,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17867 [2022-12-15 00:22:00,198 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:22:00,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:22:01,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:23:19,975 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:23:21,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:23:21,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62808 states to 35813 states and 62808 transitions. [2022-12-15 00:23:21,297 INFO L276 IsEmpty]: Start isEmpty. Operand 35813 states and 62808 transitions. [2022-12-15 00:23:22,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17868 [2022-12-15 00:23:22,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:23:22,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:23:24,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:24:27,253 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:24:28,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:24:28,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62817 states to 35818 states and 62817 transitions. [2022-12-15 00:24:28,242 INFO L276 IsEmpty]: Start isEmpty. Operand 35818 states and 62817 transitions. [2022-12-15 00:24:29,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17869 [2022-12-15 00:24:29,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:24:29,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:24:31,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:25:26,437 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:25:27,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:25:27,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62828 states to 35824 states and 62828 transitions. [2022-12-15 00:25:27,612 INFO L276 IsEmpty]: Start isEmpty. Operand 35824 states and 62828 transitions. [2022-12-15 00:25:29,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17870 [2022-12-15 00:25:29,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:25:29,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:25:30,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat