./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label59.c --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_c400c60b-bba5-4eac-8696-1a5cb2a48cdb/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c400c60b-bba5-4eac-8696-1a5cb2a48cdb/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_c400c60b-bba5-4eac-8696-1a5cb2a48cdb/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c400c60b-bba5-4eac-8696-1a5cb2a48cdb/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label59.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c400c60b-bba5-4eac-8696-1a5cb2a48cdb/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_c400c60b-bba5-4eac-8696-1a5cb2a48cdb/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 744695bd97e773bc45009ad8c308621dee61f75b749d2d70fc4d697e39202153 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:40:09,699 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:40:09,765 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c400c60b-bba5-4eac-8696-1a5cb2a48cdb/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 23:40:09,768 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:40:09,769 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:40:09,790 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:40:09,791 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:40:09,792 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:40:09,793 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:40:09,793 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:40:09,794 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:40:09,794 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:40:09,795 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:40:09,795 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:40:09,795 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:40:09,796 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:40:09,796 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:40:09,797 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:40:09,797 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:40:09,798 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:40:09,798 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:40:09,799 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:40:09,800 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:40:09,800 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:40:09,801 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:40:09,801 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:40:09,801 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:40:09,802 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:40:09,802 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:40:09,803 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:40:09,803 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:40:09,803 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:40:09,804 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:40:09,804 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_c400c60b-bba5-4eac-8696-1a5cb2a48cdb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c400c60b-bba5-4eac-8696-1a5cb2a48cdb/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 744695bd97e773bc45009ad8c308621dee61f75b749d2d70fc4d697e39202153 [2023-12-02 23:40:10,017 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:40:10,037 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:40:10,040 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:40:10,041 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:40:10,042 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:40:10,043 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c400c60b-bba5-4eac-8696-1a5cb2a48cdb/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/eca-rers2012/Problem16_label59.c [2023-12-02 23:40:12,785 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:40:13,078 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:40:13,078 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c400c60b-bba5-4eac-8696-1a5cb2a48cdb/sv-benchmarks/c/eca-rers2012/Problem16_label59.c [2023-12-02 23:40:13,097 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c400c60b-bba5-4eac-8696-1a5cb2a48cdb/bin/ukojak-verify-Qdu7aM0XO9/data/1c617766a/f788e1eaa4354eb8b8a5f61be89b9842/FLAG52f33a198 [2023-12-02 23:40:13,112 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c400c60b-bba5-4eac-8696-1a5cb2a48cdb/bin/ukojak-verify-Qdu7aM0XO9/data/1c617766a/f788e1eaa4354eb8b8a5f61be89b9842 [2023-12-02 23:40:13,114 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:40:13,116 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:40:13,117 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:40:13,118 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:40:13,122 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:40:13,123 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:40:13" (1/1) ... [2023-12-02 23:40:13,124 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d813da7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:40:13, skipping insertion in model container [2023-12-02 23:40:13,125 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:40:13" (1/1) ... [2023-12-02 23:40:13,211 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:40:13,416 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_c400c60b-bba5-4eac-8696-1a5cb2a48cdb/sv-benchmarks/c/eca-rers2012/Problem16_label59.c[4713,4726] [2023-12-02 23:40:13,755 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:40:13,764 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:40:13,785 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_c400c60b-bba5-4eac-8696-1a5cb2a48cdb/sv-benchmarks/c/eca-rers2012/Problem16_label59.c[4713,4726] [2023-12-02 23:40:13,967 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:40:13,981 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:40:13,981 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:40:13 WrapperNode [2023-12-02 23:40:13,981 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:40:13,982 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:40:13,982 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:40:13,983 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:40:13,988 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:40:13" (1/1) ... [2023-12-02 23:40:14,016 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:40:13" (1/1) ... [2023-12-02 23:40:14,135 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1769 [2023-12-02 23:40:14,135 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:40:14,136 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:40:14,136 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:40:14,136 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:40:14,145 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:40:13" (1/1) ... [2023-12-02 23:40:14,146 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:40:13" (1/1) ... [2023-12-02 23:40:14,156 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:40:13" (1/1) ... [2023-12-02 23:40:14,157 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:40:13" (1/1) ... [2023-12-02 23:40:14,235 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:40:13" (1/1) ... [2023-12-02 23:40:14,248 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:40:13" (1/1) ... [2023-12-02 23:40:14,274 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:40:13" (1/1) ... [2023-12-02 23:40:14,282 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:40:13" (1/1) ... [2023-12-02 23:40:14,314 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:40:14,315 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:40:14,315 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:40:14,315 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:40:14,316 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:40:13" (1/1) ... [2023-12-02 23:40:14,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:40:14,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c400c60b-bba5-4eac-8696-1a5cb2a48cdb/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:40:14,346 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c400c60b-bba5-4eac-8696-1a5cb2a48cdb/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:40:14,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c400c60b-bba5-4eac-8696-1a5cb2a48cdb/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:40:14,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:40:14,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:40:14,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:40:14,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:40:14,456 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:40:14,459 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:40:16,545 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:40:31,124 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:40:31,124 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 23:40:31,126 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:40:31 BoogieIcfgContainer [2023-12-02 23:40:31,126 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:40:31,127 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:40:31,127 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:40:31,135 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:40:31,135 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:40:31" (1/1) ... [2023-12-02 23:40:31,142 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:40:31,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:31,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2023-12-02 23:40:31,186 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2023-12-02 23:40:31,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-02 23:40:31,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:31,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:40:31,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:31,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:40:31,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:31,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2023-12-02 23:40:31,881 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2023-12-02 23:40:31,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 23:40:31,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:31,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:40:32,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:44,034 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:42:44,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:44,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2023-12-02 23:42:44,445 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2023-12-02 23:42:44,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 23:42:44,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:44,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:42:44,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:14,588 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:48:24,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:48:35,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 23:48:35,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:35,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 39 transitions. [2023-12-02 23:48:35,695 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 39 transitions. [2023-12-02 23:48:35,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 23:48:35,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:35,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:48:36,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:56,107 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 23:51:56,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:56,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 21 states and 33 transitions. [2023-12-02 23:51:56,541 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 33 transitions. [2023-12-02 23:51:56,542 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 23:51:56,542 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2023-12-02 23:51:56,549 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-02 23:51:56,726 INFO L560 CodeCheckObserver]: Invariant with dag size 18 [2023-12-02 23:51:56,733 INFO L560 CodeCheckObserver]: Invariant with dag size 18 [2023-12-02 23:51:56,733 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 23:51:56,734 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:51:56 ImpRootNode [2023-12-02 23:51:56,734 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:51:56,735 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:51:56,735 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:51:56,735 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:51:56,736 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:40:31" (3/4) ... [2023-12-02 23:51:56,737 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 23:51:56,769 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 385 nodes and edges [2023-12-02 23:51:56,774 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-12-02 23:51:56,778 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-12-02 23:51:56,782 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 23:51:57,004 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c400c60b-bba5-4eac-8696-1a5cb2a48cdb/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 23:51:57,005 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c400c60b-bba5-4eac-8696-1a5cb2a48cdb/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-02 23:51:57,005 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:51:57,006 INFO L158 Benchmark]: Toolchain (without parser) took 703889.96ms. Allocated memory was 111.1MB in the beginning and 6.2GB in the end (delta: 6.1GB). Free memory was 57.4MB in the beginning and 3.7GB in the end (delta: -3.7GB). Peak memory consumption was 2.4GB. Max. memory is 16.1GB. [2023-12-02 23:51:57,006 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 111.1MB. Free memory is still 64.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:51:57,007 INFO L158 Benchmark]: CACSL2BoogieTranslator took 864.15ms. Allocated memory was 111.1MB in the beginning and 178.3MB in the end (delta: 67.1MB). Free memory was 57.2MB in the beginning and 101.1MB in the end (delta: -43.9MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2023-12-02 23:51:57,007 INFO L158 Benchmark]: Boogie Procedure Inliner took 153.34ms. Allocated memory is still 178.3MB. Free memory was 101.1MB in the beginning and 127.9MB in the end (delta: -26.8MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. [2023-12-02 23:51:57,008 INFO L158 Benchmark]: Boogie Preprocessor took 178.23ms. Allocated memory is still 178.3MB. Free memory was 127.9MB in the beginning and 114.2MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 23:51:57,009 INFO L158 Benchmark]: RCFGBuilder took 16810.76ms. Allocated memory was 178.3MB in the beginning and 3.3GB in the end (delta: 3.2GB). Free memory was 114.2MB in the beginning and 2.1GB in the end (delta: -2.0GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2023-12-02 23:51:57,009 INFO L158 Benchmark]: CodeCheck took 685607.51ms. Allocated memory was 3.3GB in the beginning and 6.2GB in the end (delta: 2.9GB). Free memory was 2.1GB in the beginning and 3.7GB in the end (delta: -1.7GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2023-12-02 23:51:57,010 INFO L158 Benchmark]: Witness Printer took 270.25ms. Allocated memory is still 6.2GB. Free memory was 3.7GB in the beginning and 3.7GB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-12-02 23:51:57,012 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, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 685.4s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4 mSolverCounterUnknown, 96 SdHoareTripleChecker+Valid, 44.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 74 mSDsluCounter, 88 SdHoareTripleChecker+Invalid, 44.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 48 mSDsCounter, 41 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 183 IncrementalHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 41 mSolverCounterUnsat, 40 mSDtfsCounter, 183 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 356 GetRequests, 323 SyntacticMatches, 5 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 315 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 661.0s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 446 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 21/34 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: 149]: 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: 1783]: Loop Invariant Derived loop invariant: (((!((5 == a12)) || !((a15 == 3))) || (0 < (a18 + 156))) || !((a16 == 11))) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: (((!((5 == a12)) || !((a15 == 3))) || (0 < (a18 + 156))) || !((a16 == 11))) - InvariantResult [Line: 1777]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 111.1MB. Free memory is still 64.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 864.15ms. Allocated memory was 111.1MB in the beginning and 178.3MB in the end (delta: 67.1MB). Free memory was 57.2MB in the beginning and 101.1MB in the end (delta: -43.9MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 153.34ms. Allocated memory is still 178.3MB. Free memory was 101.1MB in the beginning and 127.9MB in the end (delta: -26.8MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 178.23ms. Allocated memory is still 178.3MB. Free memory was 127.9MB in the beginning and 114.2MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 16810.76ms. Allocated memory was 178.3MB in the beginning and 3.3GB in the end (delta: 3.2GB). Free memory was 114.2MB in the beginning and 2.1GB in the end (delta: -2.0GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. * CodeCheck took 685607.51ms. Allocated memory was 3.3GB in the beginning and 6.2GB in the end (delta: 2.9GB). Free memory was 2.1GB in the beginning and 3.7GB in the end (delta: -1.7GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. * Witness Printer took 270.25ms. Allocated memory is still 6.2GB. Free memory was 3.7GB in the beginning and 3.7GB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-02 23:51:57,034 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c400c60b-bba5-4eac-8696-1a5cb2a48cdb/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