./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float13.c --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_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/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_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float13.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/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_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/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 2246e8060e5a1cb739ae96795323e53f6b8616d366fbcd4812e06685f0e78a45 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:26:41,056 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:26:41,144 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:26:41,149 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:26:41,150 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:26:41,195 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:26:41,196 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:26:41,196 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:26:41,197 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:26:41,198 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:26:41,199 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:26:41,199 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:26:41,200 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:26:41,200 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:26:41,201 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:26:41,201 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:26:41,202 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:26:41,203 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:26:41,203 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:26:41,204 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:26:41,204 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:26:41,205 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:26:41,206 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:26:41,206 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:26:41,207 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:26:41,207 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:26:41,208 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:26:41,209 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:26:41,209 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:26:41,209 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:26:41,210 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:26:41,210 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:26:41,210 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:26:41,211 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_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2246e8060e5a1cb739ae96795323e53f6b8616d366fbcd4812e06685f0e78a45 [2023-11-19 03:26:41,555 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:26:41,587 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:26:41,591 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:26:41,592 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:26:41,593 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:26:41,594 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/floats-cbmc-regression/float13.c [2023-11-19 03:26:44,886 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:26:45,165 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:26:45,166 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/sv-benchmarks/c/floats-cbmc-regression/float13.c [2023-11-19 03:26:45,181 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/bin/ukojak-verify-G8NBE6pJGL/data/1e0f94c3a/24b4b9684f7649a0a1c10b04d89ef060/FLAG088e34ee1 [2023-11-19 03:26:45,197 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/bin/ukojak-verify-G8NBE6pJGL/data/1e0f94c3a/24b4b9684f7649a0a1c10b04d89ef060 [2023-11-19 03:26:45,200 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:26:45,202 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:26:45,203 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:26:45,204 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:26:45,209 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:26:45,210 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:26:45" (1/1) ... [2023-11-19 03:26:45,212 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1475ea37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:45, skipping insertion in model container [2023-11-19 03:26:45,212 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:26:45" (1/1) ... [2023-11-19 03:26:45,237 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:26:45,441 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_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/sv-benchmarks/c/floats-cbmc-regression/float13.c[497,510] [2023-11-19 03:26:45,448 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_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/sv-benchmarks/c/floats-cbmc-regression/float13.c[569,582] [2023-11-19 03:26:45,449 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_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/sv-benchmarks/c/floats-cbmc-regression/float13.c[631,644] [2023-11-19 03:26:45,453 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_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/sv-benchmarks/c/floats-cbmc-regression/float13.c[693,706] [2023-11-19 03:26:45,455 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_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/sv-benchmarks/c/floats-cbmc-regression/float13.c[764,777] [2023-11-19 03:26:45,457 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_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/sv-benchmarks/c/floats-cbmc-regression/float13.c[836,849] [2023-11-19 03:26:45,458 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_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/sv-benchmarks/c/floats-cbmc-regression/float13.c[895,908] [2023-11-19 03:26:45,461 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_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/sv-benchmarks/c/floats-cbmc-regression/float13.c[954,967] [2023-11-19 03:26:45,464 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:26:45,477 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:26:45,496 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_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/sv-benchmarks/c/floats-cbmc-regression/float13.c[497,510] [2023-11-19 03:26:45,499 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_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/sv-benchmarks/c/floats-cbmc-regression/float13.c[569,582] [2023-11-19 03:26:45,500 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_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/sv-benchmarks/c/floats-cbmc-regression/float13.c[631,644] [2023-11-19 03:26:45,502 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_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/sv-benchmarks/c/floats-cbmc-regression/float13.c[693,706] [2023-11-19 03:26:45,504 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_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/sv-benchmarks/c/floats-cbmc-regression/float13.c[764,777] [2023-11-19 03:26:45,505 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_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/sv-benchmarks/c/floats-cbmc-regression/float13.c[836,849] [2023-11-19 03:26:45,508 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_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/sv-benchmarks/c/floats-cbmc-regression/float13.c[895,908] [2023-11-19 03:26:45,510 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_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/sv-benchmarks/c/floats-cbmc-regression/float13.c[954,967] [2023-11-19 03:26:45,516 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:26:45,534 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:26:45,535 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:45 WrapperNode [2023-11-19 03:26:45,535 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:26:45,537 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:26:45,537 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:26:45,537 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:26:45,546 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:45" (1/1) ... [2023-11-19 03:26:45,554 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:45" (1/1) ... [2023-11-19 03:26:45,581 INFO L138 Inliner]: procedures = 11, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 47 [2023-11-19 03:26:45,582 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:26:45,583 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:26:45,583 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:26:45,583 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:26:45,593 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:45" (1/1) ... [2023-11-19 03:26:45,595 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:45" (1/1) ... [2023-11-19 03:26:45,605 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:45" (1/1) ... [2023-11-19 03:26:45,606 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:45" (1/1) ... [2023-11-19 03:26:45,616 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:45" (1/1) ... [2023-11-19 03:26:45,623 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:45" (1/1) ... [2023-11-19 03:26:45,624 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:45" (1/1) ... [2023-11-19 03:26:45,626 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:45" (1/1) ... [2023-11-19 03:26:45,628 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:26:45,629 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:26:45,629 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:26:45,630 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:26:45,631 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:45" (1/1) ... [2023-11-19 03:26:45,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:26:45,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:26:45,674 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:26:45,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:26:45,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:26:45,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:26:45,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:26:45,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:26:45,806 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:26:45,808 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:26:46,007 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:26:46,030 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:26:46,030 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:26:46,035 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:26:46 BoogieIcfgContainer [2023-11-19 03:26:46,036 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:26:46,038 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:26:46,038 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:26:46,051 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:26:46,051 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:26:46" (1/1) ... [2023-11-19 03:26:46,064 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:26:46,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:26:46,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 34 states and 41 transitions. [2023-11-19 03:26:46,123 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2023-11-19 03:26:46,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:26:46,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:26:46,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:26:46,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:26:46,288 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:26:46,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:26:46,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:26:46,412 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:26:46,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:26:46,441 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:26:46,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:26:46 ImpRootNode [2023-11-19 03:26:46,464 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:26:46,465 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:26:46,465 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:26:46,465 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:26:46,466 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:26:46" (3/4) ... [2023-11-19 03:26:46,469 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:26:46,470 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:26:46,471 INFO L158 Benchmark]: Toolchain (without parser) took 1269.06ms. Allocated memory is still 157.3MB. Free memory was 124.8MB in the beginning and 87.8MB in the end (delta: 37.1MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-19 03:26:46,472 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 130.0MB. Free memory is still 102.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:26:46,473 INFO L158 Benchmark]: CACSL2BoogieTranslator took 332.32ms. Allocated memory is still 157.3MB. Free memory was 124.3MB in the beginning and 113.2MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:26:46,474 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.58ms. Allocated memory is still 157.3MB. Free memory was 113.2MB in the beginning and 111.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:26:46,475 INFO L158 Benchmark]: Boogie Preprocessor took 45.36ms. Allocated memory is still 157.3MB. Free memory was 111.8MB in the beginning and 110.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:26:46,476 INFO L158 Benchmark]: RCFGBuilder took 407.07ms. Allocated memory is still 157.3MB. Free memory was 110.6MB in the beginning and 99.6MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:26:46,477 INFO L158 Benchmark]: CodeCheck took 426.24ms. Allocated memory is still 157.3MB. Free memory was 99.6MB in the beginning and 87.8MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:26:46,478 INFO L158 Benchmark]: Witness Printer took 5.13ms. Allocated memory is still 157.3MB. Free memory is still 87.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:26:46,483 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 34 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 15]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 14, overapproximation of someBinaryArithmeticFLOAToperation at line 5. Possible FailurePath: [L5] const float plus_infinity = 1.0f/0.0f; [L6] const float minus_infinity = 0.0f/-0.0f; [L7] const float NaN = 0.0f * (1.0f/0.0f); [L11] _Bool temp; [L14] temp = NaN < plus_infinity VAL [temp=1] [L15] COND TRUE !(!temp) VAL [temp=1] [L15] reach_error() VAL [temp=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 130.0MB. Free memory is still 102.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 332.32ms. Allocated memory is still 157.3MB. Free memory was 124.3MB in the beginning and 113.2MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.58ms. Allocated memory is still 157.3MB. Free memory was 113.2MB in the beginning and 111.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.36ms. Allocated memory is still 157.3MB. Free memory was 111.8MB in the beginning and 110.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 407.07ms. Allocated memory is still 157.3MB. Free memory was 110.6MB in the beginning and 99.6MB in the end (delta: 11.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 426.24ms. Allocated memory is still 157.3MB. Free memory was 99.6MB in the beginning and 87.8MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 5.13ms. Allocated memory is still 157.3MB. Free memory is still 87.8MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 03:26:46,538 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/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_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float13.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/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_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/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 2246e8060e5a1cb739ae96795323e53f6b8616d366fbcd4812e06685f0e78a45 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:26:49,228 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:26:49,361 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 03:26:49,415 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:26:49,417 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:26:49,418 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:26:49,419 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:26:49,420 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:26:49,421 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:26:49,427 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:26:49,427 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:26:49,428 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:26:49,428 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:26:49,430 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:26:49,431 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:26:49,431 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:26:49,432 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:26:49,432 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:26:49,433 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:26:49,434 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:26:49,434 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:26:49,435 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:26:49,435 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:26:49,436 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:26:49,436 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:26:49,437 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:26:49,438 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:26:49,438 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:26:49,439 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:26:49,439 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:26:49,441 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:26:49,441 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:26:49,442 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:26:49,442 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:26:49,443 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:26:49,443 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:26:49,444 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:26:49,444 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_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2246e8060e5a1cb739ae96795323e53f6b8616d366fbcd4812e06685f0e78a45 [2023-11-19 03:26:49,940 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:26:49,974 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:26:49,978 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:26:49,980 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:26:49,980 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:26:49,983 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/floats-cbmc-regression/float13.c [2023-11-19 03:26:53,470 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:26:53,772 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:26:53,773 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/sv-benchmarks/c/floats-cbmc-regression/float13.c [2023-11-19 03:26:53,782 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/bin/ukojak-verify-G8NBE6pJGL/data/3fa967ed0/1f81585a65c9447cb45eafcb4cd5e9c3/FLAG9595efd9c [2023-11-19 03:26:53,802 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/bin/ukojak-verify-G8NBE6pJGL/data/3fa967ed0/1f81585a65c9447cb45eafcb4cd5e9c3 [2023-11-19 03:26:53,809 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:26:53,812 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:26:53,818 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:26:53,818 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:26:53,824 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:26:53,825 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:26:53" (1/1) ... [2023-11-19 03:26:53,826 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c87ef7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:53, skipping insertion in model container [2023-11-19 03:26:53,826 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:26:53" (1/1) ... [2023-11-19 03:26:53,856 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:26:54,071 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_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/sv-benchmarks/c/floats-cbmc-regression/float13.c[497,510] [2023-11-19 03:26:54,076 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_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/sv-benchmarks/c/floats-cbmc-regression/float13.c[569,582] [2023-11-19 03:26:54,077 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_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/sv-benchmarks/c/floats-cbmc-regression/float13.c[631,644] [2023-11-19 03:26:54,078 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_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/sv-benchmarks/c/floats-cbmc-regression/float13.c[693,706] [2023-11-19 03:26:54,080 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_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/sv-benchmarks/c/floats-cbmc-regression/float13.c[764,777] [2023-11-19 03:26:54,081 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_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/sv-benchmarks/c/floats-cbmc-regression/float13.c[836,849] [2023-11-19 03:26:54,083 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_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/sv-benchmarks/c/floats-cbmc-regression/float13.c[895,908] [2023-11-19 03:26:54,084 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_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/sv-benchmarks/c/floats-cbmc-regression/float13.c[954,967] [2023-11-19 03:26:54,087 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:26:54,109 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:26:54,133 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_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/sv-benchmarks/c/floats-cbmc-regression/float13.c[497,510] [2023-11-19 03:26:54,135 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_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/sv-benchmarks/c/floats-cbmc-regression/float13.c[569,582] [2023-11-19 03:26:54,138 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_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/sv-benchmarks/c/floats-cbmc-regression/float13.c[631,644] [2023-11-19 03:26:54,140 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_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/sv-benchmarks/c/floats-cbmc-regression/float13.c[693,706] [2023-11-19 03:26:54,147 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_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/sv-benchmarks/c/floats-cbmc-regression/float13.c[764,777] [2023-11-19 03:26:54,148 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_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/sv-benchmarks/c/floats-cbmc-regression/float13.c[836,849] [2023-11-19 03:26:54,151 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_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/sv-benchmarks/c/floats-cbmc-regression/float13.c[895,908] [2023-11-19 03:26:54,153 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_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/sv-benchmarks/c/floats-cbmc-regression/float13.c[954,967] [2023-11-19 03:26:54,162 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:26:54,186 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:26:54,187 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:54 WrapperNode [2023-11-19 03:26:54,187 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:26:54,189 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:26:54,189 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:26:54,189 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:26:54,199 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:54" (1/1) ... [2023-11-19 03:26:54,228 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:54" (1/1) ... [2023-11-19 03:26:54,265 INFO L138 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 48 [2023-11-19 03:26:54,266 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:26:54,267 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:26:54,267 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:26:54,267 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:26:54,278 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:54" (1/1) ... [2023-11-19 03:26:54,279 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:54" (1/1) ... [2023-11-19 03:26:54,287 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:54" (1/1) ... [2023-11-19 03:26:54,287 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:54" (1/1) ... [2023-11-19 03:26:54,328 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:54" (1/1) ... [2023-11-19 03:26:54,330 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:54" (1/1) ... [2023-11-19 03:26:54,333 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:54" (1/1) ... [2023-11-19 03:26:54,335 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:54" (1/1) ... [2023-11-19 03:26:54,355 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:26:54,356 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:26:54,356 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:26:54,357 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:26:54,358 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:54" (1/1) ... [2023-11-19 03:26:54,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:26:54,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:26:54,423 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:26:54,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:26:54,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:26:54,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:26:54,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:26:54,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:26:54,561 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:26:54,564 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:26:54,842 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:26:54,885 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:26:54,885 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:26:54,890 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:26:54 BoogieIcfgContainer [2023-11-19 03:26:54,891 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:26:54,892 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:26:54,892 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:26:54,905 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:26:54,905 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:26:54" (1/1) ... [2023-11-19 03:26:54,916 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:26:54,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:26:54,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 34 states and 41 transitions. [2023-11-19 03:26:54,986 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2023-11-19 03:26:54,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 03:26:54,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:26:54,990 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:26:54,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:26:54,996 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:26:55,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:26:55,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:26:55,166 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:26:55,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:26:55,208 INFO L262 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:26:55,213 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:26:55,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:26:55,366 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:26:55,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 03:26:55,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:26:55,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 32 states and 38 transitions. [2023-11-19 03:26:55,422 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2023-11-19 03:26:55,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:26:55,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:26:55,423 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:26:55,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:26:55,425 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:26:55,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 03:26:55,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:26:55,533 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:26:55,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:26:55,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:26:55,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:26:55,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:26:55,641 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:26:55,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-19 03:26:55,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:26:55,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 30 states and 35 transitions. [2023-11-19 03:26:55,901 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2023-11-19 03:26:55,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:26:55,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:26:55,901 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:26:55,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:26:55,942 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:26:55,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-19 03:26:56,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:26:56,022 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:26:56,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:26:56,040 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:26:56,041 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:26:56,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:26:56,214 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:26:56,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-19 03:26:57,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:26:57,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 28 states and 32 transitions. [2023-11-19 03:26:57,906 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2023-11-19 03:26:57,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:26:57,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:26:57,907 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:26:57,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:26:57,909 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:26:57,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-19 03:26:57,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:26:57,987 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:26:58,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:26:58,005 INFO L262 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:26:58,006 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:26:58,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:26:58,352 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:26:58,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-11-19 03:26:58,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:26:58,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 26 states and 29 transitions. [2023-11-19 03:26:58,985 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2023-11-19 03:26:58,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:26:58,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:26:58,986 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:26:58,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:26:58,987 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:26:58,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-19 03:26:59,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:26:59,093 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:26:59,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:26:59,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:26:59,115 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:26:59,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:26:59,205 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:26:59,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-19 03:26:59,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:26:59,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 24 states and 26 transitions. [2023-11-19 03:26:59,253 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2023-11-19 03:26:59,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:26:59,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:26:59,254 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:26:59,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:26:59,258 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:26:59,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-19 03:26:59,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:26:59,370 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:26:59,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:26:59,389 INFO L262 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:26:59,390 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:26:59,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:26:59,464 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:26:59,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-11-19 03:26:59,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:26:59,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 22 states and 23 transitions. [2023-11-19 03:26:59,526 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2023-11-19 03:26:59,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:26:59,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:26:59,527 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:26:59,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:26:59,529 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:26:59,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-19 03:26:59,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:26:59,635 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:26:59,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:26:59,655 INFO L262 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:26:59,657 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:26:59,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:26:59,742 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (8)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:26:59,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-11-19 03:26:59,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:26:59,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2023-11-19 03:26:59,793 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2023-11-19 03:26:59,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:26:59,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:26:59,795 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:26:59,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:26:59,802 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:26:59,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-11-19 03:26:59,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:26:59,905 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:26:59,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:26:59,936 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:26:59,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:27:00,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:27:00,086 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (9)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:27:00,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-11-19 03:27:00,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:00,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 18 states and 17 transitions. [2023-11-19 03:27:00,213 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 17 transitions. [2023-11-19 03:27:00,213 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:27:00,213 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2023-11-19 03:27:00,222 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-19 03:27:00,363 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:27:00,366 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:27:00 ImpRootNode [2023-11-19 03:27:00,366 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:27:00,367 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:27:00,367 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:27:00,367 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:27:00,368 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:26:54" (3/4) ... [2023-11-19 03:27:00,370 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:27:00,379 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-11-19 03:27:00,379 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-19 03:27:00,380 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 03:27:00,380 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:27:00,493 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:27:00,493 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:27:00,493 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:27:00,494 INFO L158 Benchmark]: Toolchain (without parser) took 6682.01ms. Allocated memory was 77.6MB in the beginning and 109.1MB in the end (delta: 31.5MB). Free memory was 53.8MB in the beginning and 70.6MB in the end (delta: -16.8MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2023-11-19 03:27:00,495 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 77.6MB. Free memory is still 53.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:27:00,495 INFO L158 Benchmark]: CACSL2BoogieTranslator took 369.70ms. Allocated memory is still 77.6MB. Free memory was 53.7MB in the beginning and 41.7MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:27:00,503 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.33ms. Allocated memory is still 77.6MB. Free memory was 41.7MB in the beginning and 40.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:27:00,504 INFO L158 Benchmark]: Boogie Preprocessor took 88.47ms. Allocated memory was 77.6MB in the beginning and 109.1MB in the end (delta: 31.5MB). Free memory was 40.2MB in the beginning and 88.2MB in the end (delta: -48.1MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2023-11-19 03:27:00,505 INFO L158 Benchmark]: RCFGBuilder took 534.88ms. Allocated memory is still 109.1MB. Free memory was 88.2MB in the beginning and 76.5MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:27:00,505 INFO L158 Benchmark]: CodeCheck took 5474.51ms. Allocated memory is still 109.1MB. Free memory was 76.5MB in the beginning and 75.1MB in the end (delta: 1.4MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. [2023-11-19 03:27:00,506 INFO L158 Benchmark]: Witness Printer took 126.27ms. Allocated memory is still 109.1MB. Free memory was 75.1MB in the beginning and 70.6MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:27:00,509 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 34 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 5.3s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 256 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 101 mSDsluCounter, 36 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 132 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 415 IncrementalHoareTripleChecker+Invalid, 547 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 132 mSolverCounterUnsat, 36 mSDtfsCounter, 415 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 557 GetRequests, 518 SyntacticMatches, 9 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 6 DeprecatedPredicates, 375 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 80 NumberOfCodeBlocks, 80 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 72 ConstructedInterpolants, 6 QuantifiedInterpolants, 296 SizeOfPredicates, 21 NumberOfNonLiveVariables, 208 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 15]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 18]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 21]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 24]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 27]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 30]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 33]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 36]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 77.6MB. Free memory is still 53.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 369.70ms. Allocated memory is still 77.6MB. Free memory was 53.7MB in the beginning and 41.7MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.33ms. Allocated memory is still 77.6MB. Free memory was 41.7MB in the beginning and 40.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 88.47ms. Allocated memory was 77.6MB in the beginning and 109.1MB in the end (delta: 31.5MB). Free memory was 40.2MB in the beginning and 88.2MB in the end (delta: -48.1MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. * RCFGBuilder took 534.88ms. Allocated memory is still 109.1MB. Free memory was 88.2MB in the beginning and 76.5MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 5474.51ms. Allocated memory is still 109.1MB. Free memory was 76.5MB in the beginning and 75.1MB in the end (delta: 1.4MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. * Witness Printer took 126.27ms. Allocated memory is still 109.1MB. Free memory was 75.1MB in the beginning and 70.6MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 03:27:00,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e7bbd46-06b3-4d12-89f3-8a4f6e372391/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE