./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-62.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_d5d5385f-8d62-4a2e-9138-be4a46054d49/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d5385f-8d62-4a2e-9138-be4a46054d49/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d5385f-8d62-4a2e-9138-be4a46054d49/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d5385f-8d62-4a2e-9138-be4a46054d49/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-62.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d5385f-8d62-4a2e-9138-be4a46054d49/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d5385f-8d62-4a2e-9138-be4a46054d49/bin/ukojak-verify-Qdu7aM0XO9 --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 02f4d89ad8ae68bf7980f37a0875d8dc9742c5b53631541ef266f31c83f1917f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:22:32,296 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:22:32,361 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d5385f-8d62-4a2e-9138-be4a46054d49/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 21:22:32,366 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:22:32,367 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:22:32,388 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:22:32,389 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:22:32,390 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:22:32,391 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:22:32,391 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:22:32,392 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:22:32,392 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:22:32,393 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:22:32,393 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:22:32,394 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:22:32,394 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:22:32,395 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:22:32,395 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:22:32,396 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:22:32,396 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:22:32,396 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:22:32,397 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:22:32,398 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:22:32,398 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:22:32,399 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:22:32,399 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:22:32,399 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:22:32,400 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:22:32,400 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:22:32,400 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:22:32,401 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:22:32,401 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:22:32,402 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:22:32,402 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_d5d5385f-8d62-4a2e-9138-be4a46054d49/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d5385f-8d62-4a2e-9138-be4a46054d49/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02f4d89ad8ae68bf7980f37a0875d8dc9742c5b53631541ef266f31c83f1917f [2023-12-02 21:22:32,623 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:22:32,657 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:22:32,660 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:22:32,661 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:22:32,661 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:22:32,662 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d5385f-8d62-4a2e-9138-be4a46054d49/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-62.i [2023-12-02 21:22:35,457 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:22:35,643 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:22:35,644 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d5385f-8d62-4a2e-9138-be4a46054d49/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-62.i [2023-12-02 21:22:35,654 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d5385f-8d62-4a2e-9138-be4a46054d49/bin/ukojak-verify-Qdu7aM0XO9/data/e03a41727/1bb327ee1e0b4d9f842e0607734d78f8/FLAGb38269865 [2023-12-02 21:22:35,667 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d5385f-8d62-4a2e-9138-be4a46054d49/bin/ukojak-verify-Qdu7aM0XO9/data/e03a41727/1bb327ee1e0b4d9f842e0607734d78f8 [2023-12-02 21:22:35,669 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:22:35,671 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:22:35,672 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:22:35,672 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:22:35,676 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:22:35,677 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:22:35" (1/1) ... [2023-12-02 21:22:35,678 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ba50776 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:22:35, skipping insertion in model container [2023-12-02 21:22:35,678 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:22:35" (1/1) ... [2023-12-02 21:22:35,704 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:22:35,825 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_d5d5385f-8d62-4a2e-9138-be4a46054d49/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-62.i[917,930] [2023-12-02 21:22:35,872 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:22:35,883 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:22:35,894 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_d5d5385f-8d62-4a2e-9138-be4a46054d49/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-62.i[917,930] [2023-12-02 21:22:35,920 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:22:35,940 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:22:35,941 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:22:35 WrapperNode [2023-12-02 21:22:35,941 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:22:35,942 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:22:35,942 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:22:35,942 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:22:35,948 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:22:35" (1/1) ... [2023-12-02 21:22:35,959 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:22:35" (1/1) ... [2023-12-02 21:22:35,990 INFO L138 Inliner]: procedures = 26, calls = 107, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 289 [2023-12-02 21:22:35,991 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:22:35,991 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:22:35,991 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:22:35,992 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:22:36,000 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:22:35" (1/1) ... [2023-12-02 21:22:36,000 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:22:35" (1/1) ... [2023-12-02 21:22:36,004 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:22:35" (1/1) ... [2023-12-02 21:22:36,005 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:22:35" (1/1) ... [2023-12-02 21:22:36,016 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:22:35" (1/1) ... [2023-12-02 21:22:36,021 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:22:35" (1/1) ... [2023-12-02 21:22:36,024 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:22:35" (1/1) ... [2023-12-02 21:22:36,026 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:22:35" (1/1) ... [2023-12-02 21:22:36,030 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:22:36,032 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:22:36,032 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:22:36,032 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:22:36,033 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:22:35" (1/1) ... [2023-12-02 21:22:36,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:22:36,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d5385f-8d62-4a2e-9138-be4a46054d49/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:22:36,062 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d5385f-8d62-4a2e-9138-be4a46054d49/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:22:36,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d5385f-8d62-4a2e-9138-be4a46054d49/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:22:36,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:22:36,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 21:22:36,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 21:22:36,095 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 21:22:36,095 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 21:22:36,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:22:36,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:22:36,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:22:36,199 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:22:36,202 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:22:36,528 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:22:36,835 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:22:36,835 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 21:22:36,837 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:22:36 BoogieIcfgContainer [2023-12-02 21:22:36,837 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:22:36,838 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:22:36,838 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:22:36,846 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:22:36,846 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:22:36" (1/1) ... [2023-12-02 21:22:36,854 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:22:36,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:22:36,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2023-12-02 21:22:36,903 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2023-12-02 21:22:36,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 21:22:36,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:22:36,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:22:38,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:01,237 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 21:23:04,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:23:04,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 42 states and 64 transitions. [2023-12-02 21:23:04,114 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 64 transitions. [2023-12-02 21:23:04,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 21:23:04,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:23:04,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:23:05,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:23:38,235 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 35 proven. 22 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2023-12-02 21:24:23,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:24:23,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 78 states and 134 transitions. [2023-12-02 21:24:23,175 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 134 transitions. [2023-12-02 21:24:23,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 21:24:23,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:24:23,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:24:25,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:25:06,288 INFO L134 CoverageAnalysis]: Checked inductivity of 607 backedges. 16 proven. 33 refuted. 0 times theorem prover too weak. 558 trivial. 0 not checked. [2023-12-02 21:25:57,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:25:57,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 101 states and 189 transitions. [2023-12-02 21:25:57,992 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 189 transitions. [2023-12-02 21:25:57,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 21:25:57,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:25:57,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:26:00,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:26:25,670 INFO L134 CoverageAnalysis]: Checked inductivity of 607 backedges. 39 proven. 33 refuted. 0 times theorem prover too weak. 535 trivial. 0 not checked. [2023-12-02 21:27:01,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:27:01,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 120 states and 230 transitions. [2023-12-02 21:27:01,610 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 230 transitions. [2023-12-02 21:27:01,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-12-02 21:27:01,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:27:01,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:27:06,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:27:42,139 INFO L134 CoverageAnalysis]: Checked inductivity of 1103 backedges. 97 proven. 48 refuted. 0 times theorem prover too weak. 958 trivial. 0 not checked. [2023-12-02 21:29:01,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:29:01,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 39 states and 56 transitions. [2023-12-02 21:29:01,151 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 56 transitions. [2023-12-02 21:29:01,152 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 21:29:01,152 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2023-12-02 21:29:01,161 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-02 21:29:06,428 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 21:29:06,432 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 21:29:06,432 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 21:29:06,433 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:29:06 ImpRootNode [2023-12-02 21:29:06,433 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:29:06,433 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:29:06,433 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:29:06,434 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:29:06,434 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:22:36" (3/4) ... [2023-12-02 21:29:06,435 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 21:29:06,438 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-12-02 21:29:06,444 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 55 nodes and edges [2023-12-02 21:29:06,445 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-12-02 21:29:06,445 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-12-02 21:29:06,446 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 21:29:06,572 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d5385f-8d62-4a2e-9138-be4a46054d49/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 21:29:06,572 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d5385f-8d62-4a2e-9138-be4a46054d49/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-02 21:29:06,573 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:29:06,574 INFO L158 Benchmark]: Toolchain (without parser) took 390902.79ms. Allocated memory was 163.6MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 120.1MB in the beginning and 817.9MB in the end (delta: -697.8MB). Peak memory consumption was 641.7MB. Max. memory is 16.1GB. [2023-12-02 21:29:06,574 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 113.2MB. Free memory was 81.7MB in the beginning and 81.6MB in the end (delta: 28.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:29:06,575 INFO L158 Benchmark]: CACSL2BoogieTranslator took 269.12ms. Allocated memory is still 163.6MB. Free memory was 120.1MB in the beginning and 106.4MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 21:29:06,575 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.94ms. Allocated memory is still 163.6MB. Free memory was 106.4MB in the beginning and 103.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 21:29:06,575 INFO L158 Benchmark]: Boogie Preprocessor took 39.39ms. Allocated memory is still 163.6MB. Free memory was 103.3MB in the beginning and 101.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:29:06,576 INFO L158 Benchmark]: RCFGBuilder took 805.40ms. Allocated memory is still 163.6MB. Free memory was 101.2MB in the beginning and 65.5MB in the end (delta: 35.6MB). Peak memory consumption was 37.3MB. Max. memory is 16.1GB. [2023-12-02 21:29:06,576 INFO L158 Benchmark]: CodeCheck took 389595.15ms. Allocated memory was 163.6MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 65.5MB in the beginning and 827.3MB in the end (delta: -761.8MB). Peak memory consumption was 896.0MB. Max. memory is 16.1GB. [2023-12-02 21:29:06,577 INFO L158 Benchmark]: Witness Printer took 139.41ms. Allocated memory is still 1.5GB. Free memory was 827.3MB in the beginning and 817.9MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 21:29:06,579 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 2 procedures, 25 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 384.3s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 474 SdHoareTripleChecker+Valid, 21.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 212 mSDsluCounter, 450 SdHoareTripleChecker+Invalid, 20.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 80 mSDsCounter, 832 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2745 IncrementalHoareTripleChecker+Invalid, 3577 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 832 mSolverCounterUnsat, 370 mSDtfsCounter, 2745 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4116 GetRequests, 3649 SyntacticMatches, 129 SemanticMatches, 338 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54205 ImplicationChecksByTransitivity, 224.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 11.9s SatisfiabilityAnalysisTime, 157.4s InterpolantComputationTime, 460 NumberOfCodeBlocks, 460 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 455 ConstructedInterpolants, 0 QuantifiedInterpolants, 47820 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 0 PerfectInterpolantSequences, 2488/2631 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: 19]: 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 1 specifications checked. All of them hold - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 113.2MB. Free memory was 81.7MB in the beginning and 81.6MB in the end (delta: 28.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 269.12ms. Allocated memory is still 163.6MB. Free memory was 120.1MB in the beginning and 106.4MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.94ms. Allocated memory is still 163.6MB. Free memory was 106.4MB in the beginning and 103.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.39ms. Allocated memory is still 163.6MB. Free memory was 103.3MB in the beginning and 101.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 805.40ms. Allocated memory is still 163.6MB. Free memory was 101.2MB in the beginning and 65.5MB in the end (delta: 35.6MB). Peak memory consumption was 37.3MB. Max. memory is 16.1GB. * CodeCheck took 389595.15ms. Allocated memory was 163.6MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 65.5MB in the beginning and 827.3MB in the end (delta: -761.8MB). Peak memory consumption was 896.0MB. Max. memory is 16.1GB. * Witness Printer took 139.41ms. Allocated memory is still 1.5GB. Free memory was 827.3MB in the beginning and 817.9MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-02 21:29:06,611 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5d5385f-8d62-4a2e-9138-be4a46054d49/bin/ukojak-verify-Qdu7aM0XO9/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