./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound20.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_d5c385f0-72f6-4331-93e0-cc00148bac42/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5c385f0-72f6-4331-93e0-cc00148bac42/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_d5c385f0-72f6-4331-93e0-cc00148bac42/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5c385f0-72f6-4331-93e0-cc00148bac42/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5c385f0-72f6-4331-93e0-cc00148bac42/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_d5c385f0-72f6-4331-93e0-cc00148bac42/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 cb384ff5c9201b9f90543357d3375f0a0ac9cc5fac01729f538d89799a1d7226 --- 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 16:30:38,830 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:30:38,832 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:30:38,872 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:30:38,873 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:30:38,875 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:30:38,877 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:30:38,881 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:30:38,884 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:30:38,886 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:30:38,887 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:30:38,889 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:30:38,890 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:30:38,892 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:30:38,894 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:30:38,897 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:30:38,898 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:30:38,900 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:30:38,903 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:30:38,906 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:30:38,909 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:30:38,911 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:30:38,913 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:30:38,915 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:30:38,921 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:30:38,922 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:30:38,922 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:30:38,924 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:30:38,925 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:30:38,927 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:30:38,928 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:30:38,929 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:30:38,930 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:30:38,932 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:30:38,934 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:30:38,934 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:30:38,936 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:30:38,936 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:30:38,937 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:30:38,939 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:30:38,940 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:30:38,941 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5c385f0-72f6-4331-93e0-cc00148bac42/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:30:38,982 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:30:38,982 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:30:38,984 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:30:38,985 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:30:38,986 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:30:38,987 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:30:38,987 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:30:38,987 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:30:38,987 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:30:38,988 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:30:38,989 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:30:38,989 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:30:38,989 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:30:38,990 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:30:38,990 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:30:38,990 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:30:38,990 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:30:38,991 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:30:38,991 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:30:38,991 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:30:38,992 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:30:38,992 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:30:38,992 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:30:38,992 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:30:38,993 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:30:38,993 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:30:38,993 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:30:38,993 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:30:38,994 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_d5c385f0-72f6-4331-93e0-cc00148bac42/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5c385f0-72f6-4331-93e0-cc00148bac42/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb384ff5c9201b9f90543357d3375f0a0ac9cc5fac01729f538d89799a1d7226 [2022-10-17 16:30:39,366 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:30:39,398 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:30:39,401 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:30:39,403 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:30:39,404 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:30:39,406 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5c385f0-72f6-4331-93e0-cc00148bac42/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound20.c [2022-10-17 16:30:39,502 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5c385f0-72f6-4331-93e0-cc00148bac42/bin/ukojak-92XMlrwhuB/data/9f95fb2f2/e51c0b795c0c489ea4b179587583cbf5/FLAGe5c36d815 [2022-10-17 16:30:40,015 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:30:40,019 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5c385f0-72f6-4331-93e0-cc00148bac42/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound20.c [2022-10-17 16:30:40,028 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5c385f0-72f6-4331-93e0-cc00148bac42/bin/ukojak-92XMlrwhuB/data/9f95fb2f2/e51c0b795c0c489ea4b179587583cbf5/FLAGe5c36d815 [2022-10-17 16:30:40,375 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5c385f0-72f6-4331-93e0-cc00148bac42/bin/ukojak-92XMlrwhuB/data/9f95fb2f2/e51c0b795c0c489ea4b179587583cbf5 [2022-10-17 16:30:40,378 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:30:40,381 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:30:40,386 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:30:40,386 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:30:40,390 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:30:40,391 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:30:40" (1/1) ... [2022-10-17 16:30:40,393 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b1f6956 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:40, skipping insertion in model container [2022-10-17 16:30:40,393 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:30:40" (1/1) ... [2022-10-17 16:30:40,403 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:30:40,423 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:30:40,684 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_d5c385f0-72f6-4331-93e0-cc00148bac42/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound20.c[597,610] [2022-10-17 16:30:40,718 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:30:40,726 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:30:40,738 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_d5c385f0-72f6-4331-93e0-cc00148bac42/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound20.c[597,610] [2022-10-17 16:30:40,746 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:30:40,758 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:30:40,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:40 WrapperNode [2022-10-17 16:30:40,759 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:30:40,760 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:30:40,761 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:30:40,761 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:30:40,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:40" (1/1) ... [2022-10-17 16:30:40,775 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:40" (1/1) ... [2022-10-17 16:30:40,794 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 51 [2022-10-17 16:30:40,795 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:30:40,795 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:30:40,796 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:30:40,796 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:30:40,803 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:40" (1/1) ... [2022-10-17 16:30:40,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:40" (1/1) ... [2022-10-17 16:30:40,804 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:40" (1/1) ... [2022-10-17 16:30:40,805 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:40" (1/1) ... [2022-10-17 16:30:40,808 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:40" (1/1) ... [2022-10-17 16:30:40,812 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:40" (1/1) ... [2022-10-17 16:30:40,813 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:40" (1/1) ... [2022-10-17 16:30:40,814 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:40" (1/1) ... [2022-10-17 16:30:40,816 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:30:40,817 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:30:40,817 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:30:40,817 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:30:40,833 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:40" (1/1) ... [2022-10-17 16:30:40,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:30:40,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5c385f0-72f6-4331-93e0-cc00148bac42/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:30:40,874 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5c385f0-72f6-4331-93e0-cc00148bac42/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:30:40,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5c385f0-72f6-4331-93e0-cc00148bac42/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:30:40,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:30:40,919 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:30:40,920 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:30:40,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:30:40,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:30:40,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:30:40,920 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:30:40,921 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:30:40,992 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:30:40,995 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:30:41,232 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:30:41,298 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:30:41,299 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:30:41,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:30:41 BoogieIcfgContainer [2022-10-17 16:30:41,307 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:30:41,309 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:30:41,309 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:30:41,320 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:30:41,320 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:30:41" (1/1) ... [2022-10-17 16:30:41,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:30:41,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:41,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2022-10-17 16:30:41,415 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2022-10-17 16:30:41,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:30:41,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:41,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:41,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:41,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 16:30:41,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:30:41,887 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:30:42,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:42,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2022-10-17 16:30:42,086 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2022-10-17 16:30:42,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:30:42,088 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:42,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:42,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:42,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:30:42,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:30:42,249 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:30:42,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:42,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 38 transitions. [2022-10-17 16:30:42,688 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2022-10-17 16:30:42,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:30:42,690 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:42,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:42,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:42,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 16:30:42,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:30:43,012 WARN L640 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2022-10-17 16:30:43,377 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:30:44,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:44,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 31 states and 51 transitions. [2022-10-17 16:30:44,631 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 51 transitions. [2022-10-17 16:30:44,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:30:44,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:44,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:44,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:44,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 31 conjunts are in the unsatisfiable core [2022-10-17 16:30:44,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:30:45,781 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:30:48,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:48,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 39 states and 70 transitions. [2022-10-17 16:30:48,572 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2022-10-17 16:30:48,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:30:48,574 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:48,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:48,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:48,642 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 25 conjunts are in the unsatisfiable core [2022-10-17 16:30:48,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:30:49,320 WARN L640 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2022-10-17 16:30:49,890 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-17 16:30:53,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:53,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 42 states and 79 transitions. [2022-10-17 16:30:53,093 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 79 transitions. [2022-10-17 16:30:53,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 16:30:53,095 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:53,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:53,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:53,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 28 conjunts are in the unsatisfiable core [2022-10-17 16:30:53,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:30:54,157 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-17 16:30:56,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:30:56,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 46 states and 90 transitions. [2022-10-17 16:30:56,737 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 90 transitions. [2022-10-17 16:30:56,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 16:30:56,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:30:56,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:30:56,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:30:56,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 28 conjunts are in the unsatisfiable core [2022-10-17 16:30:56,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:30:57,856 WARN L640 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2022-10-17 16:30:58,587 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 15 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-10-17 16:31:05,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-10-17 16:31:11,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.97s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-10-17 16:31:11,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:31:11,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 48 states and 95 transitions. [2022-10-17 16:31:11,603 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 95 transitions. [2022-10-17 16:31:11,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 16:31:11,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:31:11,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:31:11,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:31:11,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 31 conjunts are in the unsatisfiable core [2022-10-17 16:31:11,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:31:13,462 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 9 proven. 18 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked.