./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label37.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_21564ebe-2dd6-45cd-9f60-6bec68df293a/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21564ebe-2dd6-45cd-9f60-6bec68df293a/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21564ebe-2dd6-45cd-9f60-6bec68df293a/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21564ebe-2dd6-45cd-9f60-6bec68df293a/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label37.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21564ebe-2dd6-45cd-9f60-6bec68df293a/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21564ebe-2dd6-45cd-9f60-6bec68df293a/bin/ukojak-verify-ImItNfHLgk --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 0119f2b2fb4504b695be9741d94be3417a406a0ace70334ccdd5124dc6f7dfad --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:59:36,235 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:59:36,334 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21564ebe-2dd6-45cd-9f60-6bec68df293a/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:59:36,339 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:59:36,340 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:59:36,367 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:59:36,368 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:59:36,369 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:59:36,370 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:59:36,370 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:59:36,371 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:59:36,371 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:59:36,372 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:59:36,372 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:59:36,373 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:59:36,373 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:59:36,374 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:59:36,374 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:59:36,375 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:59:36,375 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:59:36,376 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:59:36,376 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:59:36,377 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:59:36,377 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:59:36,378 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:59:36,378 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:59:36,379 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:59:36,379 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:59:36,380 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:59:36,380 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:59:36,381 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:59:36,381 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:59:36,382 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:59:36,382 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_21564ebe-2dd6-45cd-9f60-6bec68df293a/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21564ebe-2dd6-45cd-9f60-6bec68df293a/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0119f2b2fb4504b695be9741d94be3417a406a0ace70334ccdd5124dc6f7dfad [2024-11-08 23:59:36,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:59:36,700 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:59:36,704 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:59:36,706 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:59:36,707 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:59:36,708 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21564ebe-2dd6-45cd-9f60-6bec68df293a/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/eca-rers2012/Problem10_label37.c Unable to find full path for "g++" [2024-11-08 23:59:38,809 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:59:39,103 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:59:39,103 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21564ebe-2dd6-45cd-9f60-6bec68df293a/sv-benchmarks/c/eca-rers2012/Problem10_label37.c [2024-11-08 23:59:39,119 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21564ebe-2dd6-45cd-9f60-6bec68df293a/bin/ukojak-verify-ImItNfHLgk/data/cc4b4a761/671ddb1cd2ad4ac6b4996f3912b41ffe/FLAG9b6dbb238 [2024-11-08 23:59:39,136 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21564ebe-2dd6-45cd-9f60-6bec68df293a/bin/ukojak-verify-ImItNfHLgk/data/cc4b4a761/671ddb1cd2ad4ac6b4996f3912b41ffe [2024-11-08 23:59:39,138 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:59:39,140 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:59:39,141 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:59:39,142 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:59:39,147 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:59:39,148 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:59:39" (1/1) ... [2024-11-08 23:59:39,149 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b683839 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:59:39, skipping insertion in model container [2024-11-08 23:59:39,150 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:59:39" (1/1) ... [2024-11-08 23:59:39,199 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:59:39,465 WARN L250 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_21564ebe-2dd6-45cd-9f60-6bec68df293a/sv-benchmarks/c/eca-rers2012/Problem10_label37.c[6216,6229] [2024-11-08 23:59:39,626 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:59:39,646 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:59:39,691 WARN L250 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_21564ebe-2dd6-45cd-9f60-6bec68df293a/sv-benchmarks/c/eca-rers2012/Problem10_label37.c[6216,6229] [2024-11-08 23:59:39,819 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:59:39,847 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:59:39,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:59:39 WrapperNode [2024-11-08 23:59:39,848 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:59:39,849 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:59:39,849 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:59:39,849 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:59:39,856 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:59:39" (1/1) ... [2024-11-08 23:59:39,900 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:59:39" (1/1) ... [2024-11-08 23:59:39,988 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2024-11-08 23:59:39,989 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:59:39,997 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:59:39,998 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:59:39,998 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:59:40,010 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:59:39" (1/1) ... [2024-11-08 23:59:40,011 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:59:39" (1/1) ... [2024-11-08 23:59:40,022 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:59:39" (1/1) ... [2024-11-08 23:59:40,026 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:59:39" (1/1) ... [2024-11-08 23:59:40,070 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:59:39" (1/1) ... [2024-11-08 23:59:40,085 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:59:39" (1/1) ... [2024-11-08 23:59:40,097 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:59:39" (1/1) ... [2024-11-08 23:59:40,106 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:59:39" (1/1) ... [2024-11-08 23:59:40,118 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:59:40,119 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:59:40,119 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:59:40,119 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:59:40,120 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:59:39" (1/1) ... [2024-11-08 23:59:40,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:59:40,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21564ebe-2dd6-45cd-9f60-6bec68df293a/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:59:40,155 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21564ebe-2dd6-45cd-9f60-6bec68df293a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:59:40,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21564ebe-2dd6-45cd-9f60-6bec68df293a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:59:40,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:59:40,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:59:40,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:59:40,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:59:40,281 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:59:40,284 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:59:41,649 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-11-08 23:59:41,650 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:59:45,037 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:59:45,037 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:59:45,038 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:59:45 BoogieIcfgContainer [2024-11-08 23:59:45,038 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:59:45,039 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:59:45,040 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:59:45,052 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:59:45,053 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:59:45" (1/1) ... [2024-11-08 23:59:45,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:59:45,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:59:45,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-08 23:59:45,141 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-08 23:59:45,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 23:59:45,146 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:59:45,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:59:45,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:59:45,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:59:45,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:59:45,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2024-11-08 23:59:45,692 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2024-11-08 23:59:45,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 23:59:45,692 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:59:45,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:59:45,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:00:00,905 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:00:01,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:00:01,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2024-11-09 00:00:01,593 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2024-11-09 00:00:01,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:00:01,597 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:00:01,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:00:01,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:00:22,996 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:00:23,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:00:23,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 26 states and 45 transitions. [2024-11-09 00:00:23,975 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 45 transitions. [2024-11-09 00:00:23,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 00:00:23,976 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:00:23,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:00:24,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:00:37,236 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-09 00:00:38,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:00:38,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 30 states and 55 transitions. [2024-11-09 00:00:38,073 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 55 transitions. [2024-11-09 00:00:38,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 00:00:38,074 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:00:38,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:00:38,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:00:49,552 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-09 00:00:49,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:00:49,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 31 states and 56 transitions. [2024-11-09 00:00:49,741 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 56 transitions. [2024-11-09 00:00:49,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 00:00:49,742 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:00:49,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:00:49,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:01:13,560 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-09 00:01:14,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:01:14,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 34 states and 61 transitions. [2024-11-09 00:01:14,176 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2024-11-09 00:01:14,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 00:01:14,177 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:01:14,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:01:14,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:01:25,515 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-09 00:01:25,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:01:25,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 23 states and 40 transitions. [2024-11-09 00:01:25,773 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 40 transitions. [2024-11-09 00:01:25,773 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 00:01:25,773 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2024-11-09 00:01:25,786 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-09 00:01:26,144 INFO L77 FloydHoareUtils]: At program point L597(line 597) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and (<= 8 ~a19~0) .cse0 .cse1) (and (not (= ~a10~0 4)) .cse0 .cse1) (and (or (< 220 ~a1~0) (< ~a1~0 39)) .cse0 .cse1) (and .cse0 .cse1 (< ~a19~0 7)))) [2024-11-09 00:01:26,145 INFO L77 FloydHoareUtils]: At program point L172-1(lines 30 584) the Hoare annotation is: (and (or (not (= ~a10~0 4)) (not (= 7 ~a19~0))) (= 14 ~a4~0) (= ~a12~0 0)) [2024-11-09 00:01:26,145 INFO L77 FloydHoareUtils]: At program point L175-1(lines 30 584) the Hoare annotation is: (and (or (not (= ~a10~0 4)) (not (= 7 ~a19~0))) (= 14 ~a4~0) (= ~a12~0 0)) [2024-11-09 00:01:26,145 INFO L75 FloydHoareUtils]: For program point L176(line 176) no Hoare annotation was computed. [2024-11-09 00:01:26,146 INFO L77 FloydHoareUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2024-11-09 00:01:26,146 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-09 00:01:26,146 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-09 00:01:26,150 INFO L77 FloydHoareUtils]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and (<= 8 ~a19~0) .cse0 .cse1) (and (not (= ~a10~0 4)) .cse0 .cse1) (and (or (< 220 ~a1~0) (< ~a1~0 39)) .cse0 .cse1) (and .cse0 .cse1 (< ~a19~0 7)))) [2024-11-09 00:01:26,150 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 176) no Hoare annotation was computed. [2024-11-09 00:01:26,167 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:01:26 ImpRootNode [2024-11-09 00:01:26,167 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:01:26,168 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:01:26,168 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:01:26,168 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:01:26,169 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:59:45" (3/4) ... [2024-11-09 00:01:26,172 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 00:01:26,196 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 195 nodes and edges [2024-11-09 00:01:26,197 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-09 00:01:26,198 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 00:01:26,200 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 00:01:26,401 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21564ebe-2dd6-45cd-9f60-6bec68df293a/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-09 00:01:26,401 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21564ebe-2dd6-45cd-9f60-6bec68df293a/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-09 00:01:26,402 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:01:26,403 INFO L158 Benchmark]: Toolchain (without parser) took 107262.94ms. Allocated memory was 127.9MB in the beginning and 1.7GB in the end (delta: 1.6GB). Free memory was 92.8MB in the beginning and 718.2MB in the end (delta: -625.3MB). Peak memory consumption was 978.7MB. Max. memory is 16.1GB. [2024-11-09 00:01:26,403 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 127.9MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:01:26,404 INFO L158 Benchmark]: CACSL2BoogieTranslator took 706.94ms. Allocated memory is still 127.9MB. Free memory was 92.8MB in the beginning and 63.1MB in the end (delta: 29.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-09 00:01:26,404 INFO L158 Benchmark]: Boogie Procedure Inliner took 139.72ms. Allocated memory was 127.9MB in the beginning and 165.7MB in the end (delta: 37.7MB). Free memory was 62.7MB in the beginning and 130.2MB in the end (delta: -67.4MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2024-11-09 00:01:26,405 INFO L158 Benchmark]: Boogie Preprocessor took 120.92ms. Allocated memory is still 165.7MB. Free memory was 129.2MB in the beginning and 125.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 00:01:26,405 INFO L158 Benchmark]: RCFGBuilder took 4919.13ms. Allocated memory was 165.7MB in the beginning and 276.8MB in the end (delta: 111.1MB). Free memory was 125.0MB in the beginning and 146.3MB in the end (delta: -21.3MB). Peak memory consumption was 167.4MB. Max. memory is 16.1GB. [2024-11-09 00:01:26,406 INFO L158 Benchmark]: CodeCheck took 101127.95ms. Allocated memory was 276.8MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 146.3MB in the beginning and 730.7MB in the end (delta: -584.5MB). Peak memory consumption was 869.9MB. Max. memory is 16.1GB. [2024-11-09 00:01:26,406 INFO L158 Benchmark]: Witness Printer took 234.28ms. Allocated memory is still 1.7GB. Free memory was 730.7MB in the beginning and 718.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:01:26,408 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: 100.7s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 267 SdHoareTripleChecker+Valid, 3.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 219 mSDsluCounter, 223 SdHoareTripleChecker+Invalid, 3.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 130 mSDsCounter, 109 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 620 IncrementalHoareTripleChecker+Invalid, 729 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 109 mSolverCounterUnsat, 93 mSDtfsCounter, 620 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 897 GetRequests, 772 SyntacticMatches, 51 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2240 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 95.8s InterpolantComputationTime, 95 NumberOfCodeBlocks, 95 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 88 ConstructedInterpolants, 0 QuantifiedInterpolants, 979 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 66/97 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: 176]: 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: 592]: Loop Invariant Derived loop invariant: ((((((8 <= a19) && (14 == a4)) && (a12 == 0)) || (((a10 != 4) && (14 == a4)) && (a12 == 0))) || ((((220 < a1) || (a1 < 39)) && (14 == a4)) && (a12 == 0))) || (((14 == a4) && (a12 == 0)) && (a19 < 7))) - InvariantResult [Line: 30]: Location Invariant Derived location invariant: ((((a10 != 4) || (7 != a19)) && (14 == a4)) && (a12 == 0)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 127.9MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 706.94ms. Allocated memory is still 127.9MB. Free memory was 92.8MB in the beginning and 63.1MB in the end (delta: 29.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 139.72ms. Allocated memory was 127.9MB in the beginning and 165.7MB in the end (delta: 37.7MB). Free memory was 62.7MB in the beginning and 130.2MB in the end (delta: -67.4MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 120.92ms. Allocated memory is still 165.7MB. Free memory was 129.2MB in the beginning and 125.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 4919.13ms. Allocated memory was 165.7MB in the beginning and 276.8MB in the end (delta: 111.1MB). Free memory was 125.0MB in the beginning and 146.3MB in the end (delta: -21.3MB). Peak memory consumption was 167.4MB. Max. memory is 16.1GB. * CodeCheck took 101127.95ms. Allocated memory was 276.8MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 146.3MB in the beginning and 730.7MB in the end (delta: -584.5MB). Peak memory consumption was 869.9MB. Max. memory is 16.1GB. * Witness Printer took 234.28ms. Allocated memory is still 1.7GB. Free memory was 730.7MB in the beginning and 718.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-09 00:01:26,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21564ebe-2dd6-45cd-9f60-6bec68df293a/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE