./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label27.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_d584e13a-29be-408a-bfe8-5d1e3a6a753e/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d584e13a-29be-408a-bfe8-5d1e3a6a753e/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_d584e13a-29be-408a-bfe8-5d1e3a6a753e/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d584e13a-29be-408a-bfe8-5d1e3a6a753e/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label27.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d584e13a-29be-408a-bfe8-5d1e3a6a753e/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_d584e13a-29be-408a-bfe8-5d1e3a6a753e/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 37a936c68c2366e8e771de8327d485af323f29b99aee8e4d5b84781c604b5939 --- 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 03:20:14,877 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 03:20:14,879 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 03:20:14,899 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 03:20:14,900 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 03:20:14,901 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 03:20:14,903 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 03:20:14,905 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 03:20:14,908 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 03:20:14,909 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 03:20:14,911 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 03:20:14,912 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 03:20:14,913 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 03:20:14,915 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 03:20:14,916 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 03:20:14,918 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 03:20:14,919 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 03:20:14,921 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 03:20:14,923 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 03:20:14,926 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 03:20:14,929 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 03:20:14,929 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 03:20:14,930 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 03:20:14,931 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 03:20:14,933 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 03:20:14,933 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 03:20:14,933 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 03:20:14,934 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 03:20:14,934 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 03:20:14,935 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 03:20:14,935 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 03:20:14,936 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 03:20:14,936 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 03:20:14,937 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 03:20:14,937 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 03:20:14,937 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 03:20:14,938 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 03:20:14,938 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 03:20:14,938 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 03:20:14,939 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 03:20:14,940 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 03:20:14,940 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d584e13a-29be-408a-bfe8-5d1e3a6a753e/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-15 03:20:14,959 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 03:20:14,960 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 03:20:14,961 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 03:20:14,961 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 03:20:14,961 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 03:20:14,961 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 03:20:14,962 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 03:20:14,962 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 03:20:14,962 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 03:20:14,962 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 03:20:14,962 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 03:20:14,962 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 03:20:14,963 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 03:20:14,963 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 03:20:14,963 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 03:20:14,963 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 03:20:14,963 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 03:20:14,963 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 03:20:14,963 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 03:20:14,964 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 03:20:14,964 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 03:20:14,964 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:20:14,964 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 03:20:14,964 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 03:20:14,964 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 03:20:14,965 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 03:20:14,965 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 03:20:14,965 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 03:20:14,965 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_d584e13a-29be-408a-bfe8-5d1e3a6a753e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d584e13a-29be-408a-bfe8-5d1e3a6a753e/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 37a936c68c2366e8e771de8327d485af323f29b99aee8e4d5b84781c604b5939 [2022-12-15 03:20:15,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 03:20:15,192 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 03:20:15,193 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 03:20:15,194 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 03:20:15,195 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 03:20:15,196 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d584e13a-29be-408a-bfe8-5d1e3a6a753e/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/eca-rers2012/Problem14_label27.c [2022-12-15 03:20:17,810 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 03:20:18,012 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 03:20:18,012 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d584e13a-29be-408a-bfe8-5d1e3a6a753e/sv-benchmarks/c/eca-rers2012/Problem14_label27.c [2022-12-15 03:20:18,021 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d584e13a-29be-408a-bfe8-5d1e3a6a753e/bin/ukojak-rkRKPMF4O4/data/8f02bcd76/65de319293aa4016875c82047ceda802/FLAGe7158d663 [2022-12-15 03:20:18,368 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d584e13a-29be-408a-bfe8-5d1e3a6a753e/bin/ukojak-rkRKPMF4O4/data/8f02bcd76/65de319293aa4016875c82047ceda802 [2022-12-15 03:20:18,370 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 03:20:18,371 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 03:20:18,372 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 03:20:18,373 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 03:20:18,375 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 03:20:18,375 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:20:18" (1/1) ... [2022-12-15 03:20:18,376 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a38b152 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:20:18, skipping insertion in model container [2022-12-15 03:20:18,376 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:20:18" (1/1) ... [2022-12-15 03:20:18,382 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 03:20:18,423 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 03:20:18,561 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_d584e13a-29be-408a-bfe8-5d1e3a6a753e/sv-benchmarks/c/eca-rers2012/Problem14_label27.c[3158,3171] [2022-12-15 03:20:18,733 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:20:18,743 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 03:20:18,757 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_d584e13a-29be-408a-bfe8-5d1e3a6a753e/sv-benchmarks/c/eca-rers2012/Problem14_label27.c[3158,3171] [2022-12-15 03:20:18,853 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:20:18,865 INFO L208 MainTranslator]: Completed translation [2022-12-15 03:20:18,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:20:18 WrapperNode [2022-12-15 03:20:18,865 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 03:20:18,866 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 03:20:18,866 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 03:20:18,867 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 03:20:18,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:20:18" (1/1) ... [2022-12-15 03:20:18,891 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:20:18" (1/1) ... [2022-12-15 03:20:18,966 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 858 [2022-12-15 03:20:18,966 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 03:20:18,967 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 03:20:18,967 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 03:20:18,967 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 03:20:18,975 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:20:18" (1/1) ... [2022-12-15 03:20:18,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:20:18" (1/1) ... [2022-12-15 03:20:18,981 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:20:18" (1/1) ... [2022-12-15 03:20:18,981 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:20:18" (1/1) ... [2022-12-15 03:20:19,006 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:20:18" (1/1) ... [2022-12-15 03:20:19,014 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:20:18" (1/1) ... [2022-12-15 03:20:19,018 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:20:18" (1/1) ... [2022-12-15 03:20:19,024 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:20:18" (1/1) ... [2022-12-15 03:20:19,034 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 03:20:19,035 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 03:20:19,035 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 03:20:19,035 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 03:20:19,036 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:20:18" (1/1) ... [2022-12-15 03:20:19,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:20:19,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d584e13a-29be-408a-bfe8-5d1e3a6a753e/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 03:20:19,060 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d584e13a-29be-408a-bfe8-5d1e3a6a753e/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 03:20:19,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d584e13a-29be-408a-bfe8-5d1e3a6a753e/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 03:20:19,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 03:20:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 03:20:19,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 03:20:19,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 03:20:19,145 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 03:20:19,146 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 03:20:20,064 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 03:20:22,533 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 03:20:22,533 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-15 03:20:22,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:20:22 BoogieIcfgContainer [2022-12-15 03:20:22,535 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 03:20:22,536 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 03:20:22,536 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 03:20:22,542 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 03:20:22,542 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:20:22" (1/1) ... [2022-12-15 03:20:22,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 03:20:22,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:20:22,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2022-12-15 03:20:22,583 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2022-12-15 03:20:22,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-15 03:20:22,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:20:22,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:20:22,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:20:22,714 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 03:20:22,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:20:22,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2022-12-15 03:20:22,782 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2022-12-15 03:20:22,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 03:20:22,782 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:20:22,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:20:22,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:20:37,055 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:20:37,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:20:37,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2022-12-15 03:20:37,277 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2022-12-15 03:20:37,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 03:20:37,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:20:37,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:20:37,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:21:09,802 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:21:10,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:21:10,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 41 transitions. [2022-12-15 03:21:10,301 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 41 transitions. [2022-12-15 03:21:10,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 03:21:10,302 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:21:10,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:21:10,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:21:42,598 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:21:42,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:21:42,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 29 states and 46 transitions. [2022-12-15 03:21:42,888 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2022-12-15 03:21:42,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 03:21:42,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:21:42,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:21:43,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:22:43,064 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:22:44,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:22:44,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2022-12-15 03:22:44,974 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2022-12-15 03:22:44,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-15 03:22:44,974 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:22:44,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:22:45,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:23:42,512 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:23:43,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:23:43,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 46 states and 88 transitions. [2022-12-15 03:23:43,087 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 88 transitions. [2022-12-15 03:23:43,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 03:23:43,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:23:43,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:23:43,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:25:13,222 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:25:14,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:25:14,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 52 states and 106 transitions. [2022-12-15 03:25:14,102 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 106 transitions. [2022-12-15 03:25:14,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 03:25:14,103 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:25:14,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:25:14,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:26:44,469 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:26:44,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:26:44,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 55 states and 112 transitions. [2022-12-15 03:26:44,744 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 112 transitions. [2022-12-15 03:26:44,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-12-15 03:26:44,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:26:44,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:26:45,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:28:15,118 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:28:15,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:28:15,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 58 states and 118 transitions. [2022-12-15 03:28:15,499 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 118 transitions. [2022-12-15 03:28:15,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-15 03:28:15,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:28:15,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:28:16,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:33:15,087 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:33:18,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:33:18,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 77 states and 167 transitions. [2022-12-15 03:33:18,692 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 167 transitions. [2022-12-15 03:33:18,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-15 03:33:18,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:33:18,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:33:19,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat