./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound50.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_c359de18-ccab-46bf-b46d-ed89b59a2e93/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c359de18-ccab-46bf-b46d-ed89b59a2e93/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_c359de18-ccab-46bf-b46d-ed89b59a2e93/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c359de18-ccab-46bf-b46d-ed89b59a2e93/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c359de18-ccab-46bf-b46d-ed89b59a2e93/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_c359de18-ccab-46bf-b46d-ed89b59a2e93/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 a7db00fa220927f51e1e342e06102a5d28a1c61268049ef86f9068e213c9adb5 --- 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 16:55:09,797 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:55:09,800 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:55:09,853 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:55:09,854 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:55:09,859 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:55:09,861 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:55:09,865 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:55:09,870 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:55:09,876 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:55:09,877 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:55:09,880 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:55:09,884 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:55:09,886 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:55:09,888 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:55:09,891 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:55:09,893 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:55:09,894 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:55:09,896 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:55:09,905 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:55:09,906 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:55:09,908 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:55:09,912 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:55:09,913 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:55:09,923 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:55:09,924 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:55:09,925 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:55:09,926 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:55:09,927 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:55:09,928 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:55:09,929 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:55:09,930 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:55:09,932 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:55:09,933 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:55:09,936 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:55:09,936 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:55:09,937 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:55:09,937 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:55:09,937 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:55:09,938 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:55:09,939 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:55:09,940 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c359de18-ccab-46bf-b46d-ed89b59a2e93/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:55:09,979 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:55:09,980 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:55:09,981 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:55:09,982 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:55:09,982 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:55:09,983 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:55:09,983 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:55:09,983 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:55:09,983 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:55:09,984 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:55:09,985 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:55:09,985 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:55:09,985 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:55:09,985 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:55:09,986 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:55:09,986 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:55:09,986 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:55:09,986 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:55:09,987 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:55:09,987 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:55:09,987 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:55:09,987 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:55:09,988 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:55:09,988 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:55:09,988 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:55:09,988 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:55:09,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:55:09,990 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:55:09,990 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_c359de18-ccab-46bf-b46d-ed89b59a2e93/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c359de18-ccab-46bf-b46d-ed89b59a2e93/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7db00fa220927f51e1e342e06102a5d28a1c61268049ef86f9068e213c9adb5 [2022-10-17 16:55:10,300 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:55:10,321 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:55:10,324 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:55:10,325 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:55:10,326 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:55:10,327 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c359de18-ccab-46bf-b46d-ed89b59a2e93/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound50.c [2022-10-17 16:55:10,415 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c359de18-ccab-46bf-b46d-ed89b59a2e93/bin/ukojak-92XMlrwhuB/data/793c8458e/f2e716b8e8894247b4653bdb0da9cb6c/FLAGa27305b02 [2022-10-17 16:55:10,991 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:55:10,992 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c359de18-ccab-46bf-b46d-ed89b59a2e93/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound50.c [2022-10-17 16:55:11,001 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c359de18-ccab-46bf-b46d-ed89b59a2e93/bin/ukojak-92XMlrwhuB/data/793c8458e/f2e716b8e8894247b4653bdb0da9cb6c/FLAGa27305b02 [2022-10-17 16:55:11,333 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c359de18-ccab-46bf-b46d-ed89b59a2e93/bin/ukojak-92XMlrwhuB/data/793c8458e/f2e716b8e8894247b4653bdb0da9cb6c [2022-10-17 16:55:11,343 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:55:11,345 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:55:11,351 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:55:11,351 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:55:11,355 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:55:11,356 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:55:11" (1/1) ... [2022-10-17 16:55:11,358 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@157f8e3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:11, skipping insertion in model container [2022-10-17 16:55:11,359 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:55:11" (1/1) ... [2022-10-17 16:55:11,367 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:55:11,386 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:55:11,589 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_c359de18-ccab-46bf-b46d-ed89b59a2e93/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound50.c[458,471] [2022-10-17 16:55:11,620 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:55:11,630 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:55:11,645 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_c359de18-ccab-46bf-b46d-ed89b59a2e93/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_valuebound50.c[458,471] [2022-10-17 16:55:11,670 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:55:11,686 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:55:11,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:11 WrapperNode [2022-10-17 16:55:11,687 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:55:11,688 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:55:11,688 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:55:11,690 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:55:11,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:11" (1/1) ... [2022-10-17 16:55:11,706 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:11" (1/1) ... [2022-10-17 16:55:11,728 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 36 [2022-10-17 16:55:11,728 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:55:11,729 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:55:11,730 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:55:11,730 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:55:11,739 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:11" (1/1) ... [2022-10-17 16:55:11,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:11" (1/1) ... [2022-10-17 16:55:11,750 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:11" (1/1) ... [2022-10-17 16:55:11,750 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:11" (1/1) ... [2022-10-17 16:55:11,759 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:11" (1/1) ... [2022-10-17 16:55:11,767 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:11" (1/1) ... [2022-10-17 16:55:11,769 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:11" (1/1) ... [2022-10-17 16:55:11,770 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:11" (1/1) ... [2022-10-17 16:55:11,772 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:55:11,773 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:55:11,774 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:55:11,774 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:55:11,776 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:11" (1/1) ... [2022-10-17 16:55:11,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:55:11,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c359de18-ccab-46bf-b46d-ed89b59a2e93/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:55:11,814 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c359de18-ccab-46bf-b46d-ed89b59a2e93/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:55:11,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c359de18-ccab-46bf-b46d-ed89b59a2e93/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:55:11,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:55:11,863 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:55:11,864 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:55:11,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:55:11,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:55:11,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:55:11,865 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:55:11,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:55:11,930 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:55:11,934 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:55:12,093 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:55:12,128 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:55:12,128 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:55:12,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:55:12 BoogieIcfgContainer [2022-10-17 16:55:12,131 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:55:12,132 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:55:12,132 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:55:12,149 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:55:12,149 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:55:12" (1/1) ... [2022-10-17 16:55:12,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:55:12,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:12,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2022-10-17 16:55:12,213 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2022-10-17 16:55:12,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:55:12,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:12,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:12,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:12,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:12,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 16:55:12,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:12,390 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 16:55:12,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:12,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2022-10-17 16:55:12,415 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2022-10-17 16:55:12,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:55:12,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:12,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:12,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:12,474 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:55:12,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:12,643 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 16:55:12,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:12,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2022-10-17 16:55:12,753 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2022-10-17 16:55:12,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:55:12,755 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:12,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:12,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:12,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:55:12,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:55:13,041 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.