./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-94.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06276022-3fbe-4177-973d-a3ec20902f74/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06276022-3fbe-4177-973d-a3ec20902f74/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06276022-3fbe-4177-973d-a3ec20902f74/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06276022-3fbe-4177-973d-a3ec20902f74/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-94.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06276022-3fbe-4177-973d-a3ec20902f74/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06276022-3fbe-4177-973d-a3ec20902f74/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --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 c185aaf4a9cc952b10ab55137c5789b08cb7a017f917b034409a16b5090ed213 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:51:34,802 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:51:34,896 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06276022-3fbe-4177-973d-a3ec20902f74/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:51:34,903 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:51:34,904 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:51:34,937 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:51:34,939 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:51:34,940 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:51:34,941 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:51:34,941 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:51:34,942 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:51:34,943 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:51:34,944 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:51:34,944 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:51:34,945 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:51:34,946 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:51:34,947 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:51:34,947 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:51:34,948 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:51:34,949 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:51:34,950 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:51:34,951 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:51:34,951 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:51:34,952 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:51:34,953 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:51:34,953 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:51:34,954 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:51:34,955 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:51:34,956 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:51:34,956 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:51:34,957 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:51:34,958 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:51:34,959 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:51:34,959 INFO L153 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_06276022-3fbe-4177-973d-a3ec20902f74/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06276022-3fbe-4177-973d-a3ec20902f74/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c185aaf4a9cc952b10ab55137c5789b08cb7a017f917b034409a16b5090ed213 [2023-11-19 02:51:35,292 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:51:35,328 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:51:35,331 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:51:35,334 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:51:35,334 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:51:35,336 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06276022-3fbe-4177-973d-a3ec20902f74/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-94.i [2023-11-19 02:51:38,695 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:51:39,041 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:51:39,042 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06276022-3fbe-4177-973d-a3ec20902f74/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-94.i [2023-11-19 02:51:39,060 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06276022-3fbe-4177-973d-a3ec20902f74/bin/ukojak-verify-G8NBE6pJGL/data/8e4f08b68/3e89c0d6000c4dcaa18b3091511f1526/FLAGfa910e65b [2023-11-19 02:51:39,080 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06276022-3fbe-4177-973d-a3ec20902f74/bin/ukojak-verify-G8NBE6pJGL/data/8e4f08b68/3e89c0d6000c4dcaa18b3091511f1526 [2023-11-19 02:51:39,087 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:51:39,090 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:51:39,096 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:51:39,096 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:51:39,104 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:51:39,107 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:51:39" (1/1) ... [2023-11-19 02:51:39,110 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f529774 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:51:39, skipping insertion in model container [2023-11-19 02:51:39,110 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:51:39" (1/1) ... [2023-11-19 02:51:39,175 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:51:39,403 WARN L240 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_06276022-3fbe-4177-973d-a3ec20902f74/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-94.i[916,929] [2023-11-19 02:51:39,578 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:51:39,610 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:51:39,629 WARN L240 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_06276022-3fbe-4177-973d-a3ec20902f74/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-94.i[916,929] [2023-11-19 02:51:39,723 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:51:39,753 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:51:39,753 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:51:39 WrapperNode [2023-11-19 02:51:39,754 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:51:39,755 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:51:39,755 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:51:39,756 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:51:39,764 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:51:39" (1/1) ... [2023-11-19 02:51:39,794 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:51:39" (1/1) ... [2023-11-19 02:51:39,876 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 209 [2023-11-19 02:51:39,877 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:51:39,878 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:51:39,878 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:51:39,878 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:51:39,888 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:51:39" (1/1) ... [2023-11-19 02:51:39,888 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:51:39" (1/1) ... [2023-11-19 02:51:39,894 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:51:39" (1/1) ... [2023-11-19 02:51:39,895 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:51:39" (1/1) ... [2023-11-19 02:51:39,921 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:51:39" (1/1) ... [2023-11-19 02:51:39,927 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:51:39" (1/1) ... [2023-11-19 02:51:39,932 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:51:39" (1/1) ... [2023-11-19 02:51:39,937 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:51:39" (1/1) ... [2023-11-19 02:51:39,945 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:51:39,960 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:51:39,960 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:51:39,960 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:51:39,961 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:51:39" (1/1) ... [2023-11-19 02:51:39,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:51:39,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06276022-3fbe-4177-973d-a3ec20902f74/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:51:40,001 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06276022-3fbe-4177-973d-a3ec20902f74/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:51:40,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06276022-3fbe-4177-973d-a3ec20902f74/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:51:40,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:51:40,052 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:51:40,052 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:51:40,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:51:40,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:51:40,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:51:40,231 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:51:40,234 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:51:41,076 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:51:41,496 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:51:41,496 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:51:41,502 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:51:41 BoogieIcfgContainer [2023-11-19 02:51:41,503 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:51:41,505 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:51:41,505 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:51:41,521 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:51:41,521 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:51:41" (1/1) ... [2023-11-19 02:51:41,532 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:51:41,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:51:41,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 51 states and 78 transitions. [2023-11-19 02:51:41,608 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 78 transitions. [2023-11-19 02:51:41,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-11-19 02:51:41,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:51:41,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:51:42,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:51:42,255 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:51:52,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-19 02:51:52,347 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 02:51:52,351 INFO L158 Benchmark]: Toolchain (without parser) took 13260.21ms. Allocated memory was 159.4MB in the beginning and 224.4MB in the end (delta: 65.0MB). Free memory was 112.2MB in the beginning and 159.3MB in the end (delta: -47.1MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2023-11-19 02:51:52,352 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 159.4MB. Free memory was 104.2MB in the beginning and 104.1MB in the end (delta: 159.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:51:52,353 INFO L158 Benchmark]: CACSL2BoogieTranslator took 658.14ms. Allocated memory is still 159.4MB. Free memory was 111.6MB in the beginning and 94.4MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 02:51:52,353 INFO L158 Benchmark]: Boogie Procedure Inliner took 121.88ms. Allocated memory is still 159.4MB. Free memory was 94.4MB in the beginning and 88.6MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 02:51:52,354 INFO L158 Benchmark]: Boogie Preprocessor took 81.00ms. Allocated memory is still 159.4MB. Free memory was 88.6MB in the beginning and 86.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:51:52,355 INFO L158 Benchmark]: RCFGBuilder took 1543.26ms. Allocated memory was 159.4MB in the beginning and 224.4MB in the end (delta: 65.0MB). Free memory was 86.0MB in the beginning and 114.4MB in the end (delta: -28.4MB). Peak memory consumption was 43.9MB. Max. memory is 16.1GB. [2023-11-19 02:51:52,357 INFO L158 Benchmark]: CodeCheck took 10844.40ms. Allocated memory is still 224.4MB. Free memory was 114.4MB in the beginning and 159.3MB in the end (delta: -44.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:51:52,367 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 159.4MB. Free memory was 104.2MB in the beginning and 104.1MB in the end (delta: 159.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 658.14ms. Allocated memory is still 159.4MB. Free memory was 111.6MB in the beginning and 94.4MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 121.88ms. Allocated memory is still 159.4MB. Free memory was 94.4MB in the beginning and 88.6MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.00ms. Allocated memory is still 159.4MB. Free memory was 88.6MB in the beginning and 86.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1543.26ms. Allocated memory was 159.4MB in the beginning and 224.4MB in the end (delta: 65.0MB). Free memory was 86.0MB in the beginning and 114.4MB in the end (delta: -28.4MB). Peak memory consumption was 43.9MB. Max. memory is 16.1GB. * CodeCheck took 10844.40ms. Allocated memory is still 224.4MB. Free memory was 114.4MB in the beginning and 159.3MB in the end (delta: -44.9MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 02:51:52,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06276022-3fbe-4177-973d-a3ec20902f74/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06276022-3fbe-4177-973d-a3ec20902f74/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06276022-3fbe-4177-973d-a3ec20902f74/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06276022-3fbe-4177-973d-a3ec20902f74/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06276022-3fbe-4177-973d-a3ec20902f74/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-94.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06276022-3fbe-4177-973d-a3ec20902f74/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06276022-3fbe-4177-973d-a3ec20902f74/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --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 c185aaf4a9cc952b10ab55137c5789b08cb7a017f917b034409a16b5090ed213 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:51:55,312 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:51:55,478 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06276022-3fbe-4177-973d-a3ec20902f74/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 02:51:55,539 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:51:55,540 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:51:55,541 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:51:55,542 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:51:55,543 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:51:55,545 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:51:55,545 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:51:55,546 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:51:55,547 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:51:55,547 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:51:55,548 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:51:55,549 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:51:55,549 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:51:55,550 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:51:55,551 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:51:55,551 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:51:55,552 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:51:55,553 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:51:55,554 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:51:55,555 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:51:55,555 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:51:55,556 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:51:55,556 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:51:55,557 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:51:55,557 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:51:55,558 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:51:55,558 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:51:55,560 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:51:55,560 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:51:55,561 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:51:55,561 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:51:55,562 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:51:55,562 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:51:55,562 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:51:55,563 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_06276022-3fbe-4177-973d-a3ec20902f74/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06276022-3fbe-4177-973d-a3ec20902f74/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c185aaf4a9cc952b10ab55137c5789b08cb7a017f917b034409a16b5090ed213 [2023-11-19 02:51:55,975 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:51:56,010 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:51:56,013 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:51:56,015 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:51:56,016 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:51:56,018 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06276022-3fbe-4177-973d-a3ec20902f74/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-94.i [2023-11-19 02:51:59,390 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:51:59,699 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:51:59,699 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06276022-3fbe-4177-973d-a3ec20902f74/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-94.i [2023-11-19 02:51:59,714 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06276022-3fbe-4177-973d-a3ec20902f74/bin/ukojak-verify-G8NBE6pJGL/data/edefbf5ac/5e63c4f7fec14682ab12d2e62686ce5b/FLAG57be2988c [2023-11-19 02:51:59,743 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06276022-3fbe-4177-973d-a3ec20902f74/bin/ukojak-verify-G8NBE6pJGL/data/edefbf5ac/5e63c4f7fec14682ab12d2e62686ce5b [2023-11-19 02:51:59,746 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:51:59,747 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:51:59,749 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:51:59,749 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:51:59,753 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:51:59,754 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:51:59" (1/1) ... [2023-11-19 02:51:59,755 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1caf39db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:51:59, skipping insertion in model container [2023-11-19 02:51:59,755 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:51:59" (1/1) ... [2023-11-19 02:51:59,799 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:51:59,973 WARN L240 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_06276022-3fbe-4177-973d-a3ec20902f74/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-94.i[916,929] [2023-11-19 02:52:00,090 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:52:00,112 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:52:00,129 WARN L240 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_06276022-3fbe-4177-973d-a3ec20902f74/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-94.i[916,929] [2023-11-19 02:52:00,197 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:52:00,223 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:52:00,223 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:00 WrapperNode [2023-11-19 02:52:00,224 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:52:00,225 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:52:00,225 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:52:00,226 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:52:00,235 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:00" (1/1) ... [2023-11-19 02:52:00,265 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:00" (1/1) ... [2023-11-19 02:52:00,309 INFO L138 Inliner]: procedures = 27, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 194 [2023-11-19 02:52:00,310 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:52:00,311 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:52:00,311 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:52:00,311 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:52:00,323 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:00" (1/1) ... [2023-11-19 02:52:00,324 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:00" (1/1) ... [2023-11-19 02:52:00,331 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:00" (1/1) ... [2023-11-19 02:52:00,332 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:00" (1/1) ... [2023-11-19 02:52:00,352 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:00" (1/1) ... [2023-11-19 02:52:00,358 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:00" (1/1) ... [2023-11-19 02:52:00,363 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:00" (1/1) ... [2023-11-19 02:52:00,366 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:00" (1/1) ... [2023-11-19 02:52:00,373 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:52:00,375 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:52:00,375 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:52:00,375 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:52:00,376 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:52:00" (1/1) ... [2023-11-19 02:52:00,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:52:00,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06276022-3fbe-4177-973d-a3ec20902f74/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:52:00,485 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06276022-3fbe-4177-973d-a3ec20902f74/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:52:00,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06276022-3fbe-4177-973d-a3ec20902f74/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:52:00,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:52:00,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:52:00,530 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:52:00,530 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:52:00,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:52:00,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:52:00,654 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:52:00,660 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:52:04,228 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:52:04,595 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:52:04,595 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:52:04,602 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:52:04 BoogieIcfgContainer [2023-11-19 02:52:04,602 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:52:04,604 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:52:04,604 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:52:04,616 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:52:04,618 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:52:04" (1/1) ... [2023-11-19 02:52:04,630 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:52:04,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:52:04,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 51 states and 78 transitions. [2023-11-19 02:52:04,711 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 78 transitions. [2023-11-19 02:52:04,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-11-19 02:52:04,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:52:04,724 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:52:04,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06276022-3fbe-4177-973d-a3ec20902f74/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:52:04,727 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06276022-3fbe-4177-973d-a3ec20902f74/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:52:04,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06276022-3fbe-4177-973d-a3ec20902f74/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 02:52:07,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:07,329 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 02:52:12,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:52:12,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 52 conjunts are in the unsatisfiable core [2023-11-19 02:52:12,810 INFO L285 TraceCheckSpWp]: Computing forward predicates...