./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound50.i --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_75c5d2c4-e6a5-48c4-a5b5-72a0ecc6da5e/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c5d2c4-e6a5-48c4-a5b5-72a0ecc6da5e/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_75c5d2c4-e6a5-48c4-a5b5-72a0ecc6da5e/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c5d2c4-e6a5-48c4-a5b5-72a0ecc6da5e/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound50.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c5d2c4-e6a5-48c4-a5b5-72a0ecc6da5e/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_75c5d2c4-e6a5-48c4-a5b5-72a0ecc6da5e/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 c7a9d89991bb39658ba66b50d9cb80ba7d1aa37f87b1a2f7972fc25c15a1ea38 --- 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 17:00:51,950 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:00:51,953 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:00:51,992 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:00:51,993 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:00:51,994 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:00:51,996 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:00:51,999 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:00:52,001 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:00:52,003 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:00:52,004 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:00:52,006 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:00:52,007 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:00:52,008 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:00:52,010 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:00:52,011 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:00:52,013 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:00:52,014 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:00:52,017 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:00:52,020 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:00:52,022 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:00:52,024 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:00:52,026 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:00:52,027 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:00:52,033 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:00:52,033 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:00:52,034 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:00:52,035 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:00:52,036 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:00:52,037 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:00:52,038 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:00:52,039 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:00:52,040 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:00:52,041 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:00:52,043 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:00:52,043 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:00:52,044 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:00:52,045 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:00:52,045 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:00:52,046 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:00:52,048 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:00:52,049 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c5d2c4-e6a5-48c4-a5b5-72a0ecc6da5e/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:00:52,099 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:00:52,100 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:00:52,101 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:00:52,102 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:00:52,103 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:00:52,103 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:00:52,104 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:00:52,104 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:00:52,104 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:00:52,104 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:00:52,105 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:00:52,105 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:00:52,106 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:00:52,106 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:00:52,106 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:00:52,106 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:00:52,106 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:00:52,107 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:00:52,107 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:00:52,107 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:00:52,107 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:00:52,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:00:52,108 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:00:52,108 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:00:52,108 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:00:52,108 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:00:52,109 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:00:52,109 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:00:52,109 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_75c5d2c4-e6a5-48c4-a5b5-72a0ecc6da5e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c5d2c4-e6a5-48c4-a5b5-72a0ecc6da5e/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7a9d89991bb39658ba66b50d9cb80ba7d1aa37f87b1a2f7972fc25c15a1ea38 [2022-10-17 17:00:52,390 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:00:52,420 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:00:52,423 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:00:52,425 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:00:52,426 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:00:52,428 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c5d2c4-e6a5-48c4-a5b5-72a0ecc6da5e/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound50.i [2022-10-17 17:00:52,497 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c5d2c4-e6a5-48c4-a5b5-72a0ecc6da5e/bin/ukojak-92XMlrwhuB/data/3dc30b6b7/0fea361a179d4fbb8e2d07d42b880a5e/FLAGb74c596b0 [2022-10-17 17:00:52,980 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:00:52,981 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c5d2c4-e6a5-48c4-a5b5-72a0ecc6da5e/sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound50.i [2022-10-17 17:00:52,993 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c5d2c4-e6a5-48c4-a5b5-72a0ecc6da5e/bin/ukojak-92XMlrwhuB/data/3dc30b6b7/0fea361a179d4fbb8e2d07d42b880a5e/FLAGb74c596b0 [2022-10-17 17:00:53,334 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c5d2c4-e6a5-48c4-a5b5-72a0ecc6da5e/bin/ukojak-92XMlrwhuB/data/3dc30b6b7/0fea361a179d4fbb8e2d07d42b880a5e [2022-10-17 17:00:53,337 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:00:53,338 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:00:53,340 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:00:53,341 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:00:53,344 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:00:53,345 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:00:53" (1/1) ... [2022-10-17 17:00:53,346 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@539b580e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:53, skipping insertion in model container [2022-10-17 17:00:53,347 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:00:53" (1/1) ... [2022-10-17 17:00:53,357 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:00:53,373 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:00:53,574 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_75c5d2c4-e6a5-48c4-a5b5-72a0ecc6da5e/sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound50.i[950,963] [2022-10-17 17:00:53,614 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:00:53,626 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:00:53,647 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_75c5d2c4-e6a5-48c4-a5b5-72a0ecc6da5e/sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound50.i[950,963] [2022-10-17 17:00:53,672 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:00:53,687 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:00:53,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:53 WrapperNode [2022-10-17 17:00:53,688 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:00:53,689 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:00:53,689 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:00:53,689 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:00:53,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:53" (1/1) ... [2022-10-17 17:00:53,711 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:53" (1/1) ... [2022-10-17 17:00:53,737 INFO L138 Inliner]: procedures = 16, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 47 [2022-10-17 17:00:53,738 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:00:53,739 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:00:53,739 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:00:53,739 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:00:53,749 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:53" (1/1) ... [2022-10-17 17:00:53,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:53" (1/1) ... [2022-10-17 17:00:53,763 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:53" (1/1) ... [2022-10-17 17:00:53,763 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:53" (1/1) ... [2022-10-17 17:00:53,766 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:53" (1/1) ... [2022-10-17 17:00:53,770 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:53" (1/1) ... [2022-10-17 17:00:53,772 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:53" (1/1) ... [2022-10-17 17:00:53,773 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:53" (1/1) ... [2022-10-17 17:00:53,774 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:00:53,783 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:00:53,783 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:00:53,783 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:00:53,785 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:53" (1/1) ... [2022-10-17 17:00:53,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:00:53,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c5d2c4-e6a5-48c4-a5b5-72a0ecc6da5e/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:00:53,830 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c5d2c4-e6a5-48c4-a5b5-72a0ecc6da5e/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:00:53,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75c5d2c4-e6a5-48c4-a5b5-72a0ecc6da5e/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:00:53,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:00:53,891 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 17:00:53,892 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 17:00:53,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:00:53,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:00:53,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:00:53,893 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 17:00:53,893 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 17:00:53,967 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:00:53,970 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:00:54,151 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:00:54,191 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:00:54,191 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 17:00:54,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:00:54 BoogieIcfgContainer [2022-10-17 17:00:54,194 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:00:54,195 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:00:54,195 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:00:54,205 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:00:54,206 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:00:54" (1/1) ... [2022-10-17 17:00:54,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:00:54,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:54,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2022-10-17 17:00:54,324 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2022-10-17 17:00:54,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 17:00:54,329 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:54,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:54,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:54,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:54,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 1 conjunts are in the unsatisfiable core [2022-10-17 17:00:54,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:00:54,545 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 17:00:54,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:54,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2022-10-17 17:00:54,584 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2022-10-17 17:00:54,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 17:00:54,585 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:54,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:54,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:54,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-17 17:00:54,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:00:55,096 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 17:00:55,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:55,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 32 states and 47 transitions. [2022-10-17 17:00:55,298 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2022-10-17 17:00:55,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 17:00:55,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:55,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:55,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:55,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-17 17:00:55,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:00:55,480 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 17:01:06,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-10-17 17:01:06,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:06,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 33 states and 48 transitions. [2022-10-17 17:01:06,352 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 48 transitions. [2022-10-17 17:01:06,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 17:01:06,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:06,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:06,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:06,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 22 conjunts are in the unsatisfiable core [2022-10-17 17:01:06,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:06,987 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-17 17:01:08,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:01:08,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 31 states and 43 transitions. [2022-10-17 17:01:08,286 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2022-10-17 17:01:08,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 17:01:08,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:01:08,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:01:08,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:01:08,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 17:01:08,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:01:08,773 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 17:01:19,401 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-10-17 17:01:29,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.33s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers []