./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound50.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_c0f60a41-46d9-42cb-bb8d-76fb6987261b/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f60a41-46d9-42cb-bb8d-76fb6987261b/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_c0f60a41-46d9-42cb-bb8d-76fb6987261b/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f60a41-46d9-42cb-bb8d-76fb6987261b/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f60a41-46d9-42cb-bb8d-76fb6987261b/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_c0f60a41-46d9-42cb-bb8d-76fb6987261b/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 6c37a77a9f4db0db15bb3c5a5baacfcd5e1536d243d9987efda949cfc27e3fb7 --- 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 16:52:24,128 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:52:24,131 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:52:24,195 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:52:24,196 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:52:24,199 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:52:24,202 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:52:24,213 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:52:24,216 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:52:24,222 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:52:24,223 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:52:24,225 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:52:24,226 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:52:24,228 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:52:24,230 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:52:24,232 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:52:24,234 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:52:24,235 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:52:24,237 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:52:24,246 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:52:24,248 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:52:24,250 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:52:24,253 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:52:24,254 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:52:24,266 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:52:24,266 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:52:24,267 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:52:24,269 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:52:24,269 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:52:24,270 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:52:24,271 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:52:24,272 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:52:24,274 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:52:24,275 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:52:24,277 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:52:24,278 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:52:24,278 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:52:24,279 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:52:24,279 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:52:24,280 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:52:24,280 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:52:24,281 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f60a41-46d9-42cb-bb8d-76fb6987261b/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:52:24,322 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:52:24,323 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:52:24,324 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:52:24,324 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:52:24,325 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:52:24,325 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:52:24,325 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:52:24,326 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:52:24,326 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:52:24,326 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:52:24,327 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:52:24,327 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:52:24,327 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:52:24,328 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:52:24,328 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:52:24,328 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:52:24,328 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:52:24,328 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:52:24,329 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:52:24,329 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:52:24,329 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:52:24,329 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:52:24,329 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:52:24,330 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:52:24,330 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:52:24,330 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:52:24,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:52:24,330 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:52:24,330 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_c0f60a41-46d9-42cb-bb8d-76fb6987261b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f60a41-46d9-42cb-bb8d-76fb6987261b/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c37a77a9f4db0db15bb3c5a5baacfcd5e1536d243d9987efda949cfc27e3fb7 [2022-10-17 16:52:24,645 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:52:24,678 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:52:24,682 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:52:24,683 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:52:24,685 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:52:24,686 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f60a41-46d9-42cb-bb8d-76fb6987261b/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound50.c [2022-10-17 16:52:24,755 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f60a41-46d9-42cb-bb8d-76fb6987261b/bin/ukojak-92XMlrwhuB/data/205c70869/fdc3e8e0a65c475486c14cedfb5ccd01/FLAG3e811aef9 [2022-10-17 16:52:25,211 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:52:25,211 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f60a41-46d9-42cb-bb8d-76fb6987261b/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound50.c [2022-10-17 16:52:25,226 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f60a41-46d9-42cb-bb8d-76fb6987261b/bin/ukojak-92XMlrwhuB/data/205c70869/fdc3e8e0a65c475486c14cedfb5ccd01/FLAG3e811aef9 [2022-10-17 16:52:25,583 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f60a41-46d9-42cb-bb8d-76fb6987261b/bin/ukojak-92XMlrwhuB/data/205c70869/fdc3e8e0a65c475486c14cedfb5ccd01 [2022-10-17 16:52:25,587 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:52:25,589 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:52:25,592 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:52:25,593 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:52:25,596 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:52:25,597 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:52:25" (1/1) ... [2022-10-17 16:52:25,599 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d7c2032 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:25, skipping insertion in model container [2022-10-17 16:52:25,599 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:52:25" (1/1) ... [2022-10-17 16:52:25,608 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:52:25,626 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:52:25,814 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_c0f60a41-46d9-42cb-bb8d-76fb6987261b/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound50.c[520,533] [2022-10-17 16:52:25,837 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:52:25,846 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:52:25,862 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_c0f60a41-46d9-42cb-bb8d-76fb6987261b/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound50.c[520,533] [2022-10-17 16:52:25,884 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:52:25,900 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:52:25,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:25 WrapperNode [2022-10-17 16:52:25,901 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:52:25,902 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:52:25,903 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:52:25,904 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:52:25,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:25" (1/1) ... [2022-10-17 16:52:25,940 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:25" (1/1) ... [2022-10-17 16:52:25,962 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2022-10-17 16:52:25,963 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:52:25,964 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:52:25,964 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:52:25,964 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:52:25,974 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:25" (1/1) ... [2022-10-17 16:52:25,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:25" (1/1) ... [2022-10-17 16:52:25,983 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:25" (1/1) ... [2022-10-17 16:52:25,983 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:25" (1/1) ... [2022-10-17 16:52:25,996 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:25" (1/1) ... [2022-10-17 16:52:26,005 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:25" (1/1) ... [2022-10-17 16:52:26,007 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:25" (1/1) ... [2022-10-17 16:52:26,008 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:25" (1/1) ... [2022-10-17 16:52:26,010 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:52:26,012 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:52:26,012 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:52:26,012 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:52:26,014 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:52:25" (1/1) ... [2022-10-17 16:52:26,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:52:26,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f60a41-46d9-42cb-bb8d-76fb6987261b/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:52:26,045 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f60a41-46d9-42cb-bb8d-76fb6987261b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:52:26,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0f60a41-46d9-42cb-bb8d-76fb6987261b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:52:26,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:52:26,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:52:26,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:52:26,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:52:26,092 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-17 16:52:26,092 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-17 16:52:26,161 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:52:26,163 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:52:26,391 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:52:26,422 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:52:26,435 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:52:26,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:52:26 BoogieIcfgContainer [2022-10-17 16:52:26,437 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:52:26,438 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:52:26,439 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:52:26,468 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:52:26,469 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:52:26" (1/1) ... [2022-10-17 16:52:26,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:52:26,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:26,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 18 states and 26 transitions. [2022-10-17 16:52:26,542 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 26 transitions. [2022-10-17 16:52:26,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:52:26,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:26,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:26,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:26,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:26,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:26,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2022-10-17 16:52:26,779 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2022-10-17 16:52:26,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:52:26,780 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:26,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:26,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:26,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:27,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:27,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2022-10-17 16:52:27,010 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2022-10-17 16:52:27,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:52:27,011 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:27,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:27,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:27,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:27,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:27,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 25 states and 40 transitions. [2022-10-17 16:52:27,578 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 40 transitions. [2022-10-17 16:52:27,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:52:27,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:27,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:27,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:27,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:52:27,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:52:27,734 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:52:28,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:28,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 29 states and 49 transitions. [2022-10-17 16:52:28,254 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 49 transitions. [2022-10-17 16:52:28,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:52:28,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:28,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:28,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:28,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:52:28,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:52:28,345 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:52:28,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:52:28,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 31 states and 54 transitions. [2022-10-17 16:52:28,470 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 54 transitions. [2022-10-17 16:52:28,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:52:28,472 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:52:28,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:52:28,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:52:28,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:52:28,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:52:28,649 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-17 16:52:46,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 17.99s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-10-17 16:53:02,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 15.81s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-10-17 16:53:02,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:02,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 33 states and 58 transitions. [2022-10-17 16:53:02,902 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 58 transitions. [2022-10-17 16:53:02,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:53:02,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:02,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:02,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:02,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:53:02,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:53:03,088 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:53:04,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:04,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 43 states and 94 transitions. [2022-10-17 16:53:04,272 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 94 transitions. [2022-10-17 16:53:04,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:53:04,274 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:04,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:04,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:04,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:53:04,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:53:04,417 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:53:05,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:05,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 47 states and 105 transitions. [2022-10-17 16:53:05,191 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 105 transitions. [2022-10-17 16:53:05,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:53:05,192 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:05,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:05,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:05,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:53:05,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:53:05,288 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:53:05,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:05,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 49 states and 106 transitions. [2022-10-17 16:53:05,741 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 106 transitions. [2022-10-17 16:53:05,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:53:05,742 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:05,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:05,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:05,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:53:05,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:53:05,873 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 16:53:06,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:06,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 51 states and 113 transitions. [2022-10-17 16:53:06,443 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 113 transitions. [2022-10-17 16:53:06,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:53:06,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:06,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:06,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:06,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:53:06,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:53:06,652 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 16:53:07,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:07,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 53 states and 123 transitions. [2022-10-17 16:53:07,633 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 123 transitions. [2022-10-17 16:53:07,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:53:07,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:07,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:07,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:07,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:53:07,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:53:07,756 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-17 16:53:08,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:53:08,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 53 states and 122 transitions. [2022-10-17 16:53:08,235 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 122 transitions. [2022-10-17 16:53:08,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 16:53:08,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:53:08,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:53:08,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:53:08,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:53:08,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:53:08,500 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked.