./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label38.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_aeea071c-be1a-4cd7-91b9-e1177efc91c4/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeea071c-be1a-4cd7-91b9-e1177efc91c4/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_aeea071c-be1a-4cd7-91b9-e1177efc91c4/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeea071c-be1a-4cd7-91b9-e1177efc91c4/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label38.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeea071c-be1a-4cd7-91b9-e1177efc91c4/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_aeea071c-be1a-4cd7-91b9-e1177efc91c4/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 bc0ea3f151b54a5cacbfb2ac1bcf8641acb27c1a8c6a79c608c08e8094ba54fe --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:13:09,186 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:13:09,253 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeea071c-be1a-4cd7-91b9-e1177efc91c4/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 03:13:09,258 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:13:09,258 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:13:09,280 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:13:09,280 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:13:09,281 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:13:09,282 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:13:09,283 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:13:09,283 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:13:09,284 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:13:09,284 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:13:09,285 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:13:09,285 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:13:09,286 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:13:09,286 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:13:09,287 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:13:09,287 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:13:09,288 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:13:09,288 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:13:09,289 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:13:09,289 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:13:09,290 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:13:09,290 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:13:09,291 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:13:09,291 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:13:09,292 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:13:09,292 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:13:09,292 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:13:09,292 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:13:09,293 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:13:09,293 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:13:09,293 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_aeea071c-be1a-4cd7-91b9-e1177efc91c4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeea071c-be1a-4cd7-91b9-e1177efc91c4/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc0ea3f151b54a5cacbfb2ac1bcf8641acb27c1a8c6a79c608c08e8094ba54fe [2023-12-03 03:13:09,511 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:13:09,534 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:13:09,537 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:13:09,538 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:13:09,538 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:13:09,539 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeea071c-be1a-4cd7-91b9-e1177efc91c4/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/eca-rers2012/Problem14_label38.c [2023-12-03 03:13:12,408 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:13:12,658 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:13:12,658 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeea071c-be1a-4cd7-91b9-e1177efc91c4/sv-benchmarks/c/eca-rers2012/Problem14_label38.c [2023-12-03 03:13:12,673 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeea071c-be1a-4cd7-91b9-e1177efc91c4/bin/ukojak-verify-Qdu7aM0XO9/data/fe1c3cb77/6d2476ffff9b42b095d8a3d0972eec6a/FLAGe06185e98 [2023-12-03 03:13:12,687 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeea071c-be1a-4cd7-91b9-e1177efc91c4/bin/ukojak-verify-Qdu7aM0XO9/data/fe1c3cb77/6d2476ffff9b42b095d8a3d0972eec6a [2023-12-03 03:13:12,690 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:13:12,691 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:13:12,693 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:13:12,693 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:13:12,697 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:13:12,698 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:13:12" (1/1) ... [2023-12-03 03:13:12,699 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27b51bc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:12, skipping insertion in model container [2023-12-03 03:13:12,699 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:13:12" (1/1) ... [2023-12-03 03:13:12,755 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:13:12,950 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_aeea071c-be1a-4cd7-91b9-e1177efc91c4/sv-benchmarks/c/eca-rers2012/Problem14_label38.c[5189,5202] [2023-12-03 03:13:13,114 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:13:13,127 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:13:13,153 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeea071c-be1a-4cd7-91b9-e1177efc91c4/sv-benchmarks/c/eca-rers2012/Problem14_label38.c[5189,5202] [2023-12-03 03:13:13,257 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:13:13,273 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:13:13,274 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:13 WrapperNode [2023-12-03 03:13:13,274 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:13:13,275 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:13:13,275 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:13:13,276 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:13:13,283 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:13" (1/1) ... [2023-12-03 03:13:13,307 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:13" (1/1) ... [2023-12-03 03:13:13,374 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 859 [2023-12-03 03:13:13,374 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:13:13,375 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:13:13,375 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:13:13,375 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:13:13,385 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:13" (1/1) ... [2023-12-03 03:13:13,385 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:13" (1/1) ... [2023-12-03 03:13:13,392 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:13" (1/1) ... [2023-12-03 03:13:13,392 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:13" (1/1) ... [2023-12-03 03:13:13,422 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:13" (1/1) ... [2023-12-03 03:13:13,432 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:13" (1/1) ... [2023-12-03 03:13:13,438 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:13" (1/1) ... [2023-12-03 03:13:13,445 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:13" (1/1) ... [2023-12-03 03:13:13,476 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:13:13,477 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:13:13,478 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:13:13,478 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:13:13,478 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:13:13" (1/1) ... [2023-12-03 03:13:13,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:13:13,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeea071c-be1a-4cd7-91b9-e1177efc91c4/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:13:13,510 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeea071c-be1a-4cd7-91b9-e1177efc91c4/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:13:13,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeea071c-be1a-4cd7-91b9-e1177efc91c4/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:13:13,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:13:13,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:13:13,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:13:13,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:13:13,604 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:13:13,606 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:13:14,743 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:13:18,582 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:13:18,582 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 03:13:18,583 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:13:18 BoogieIcfgContainer [2023-12-03 03:13:18,584 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:13:18,585 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:13:18,585 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:13:18,594 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:13:18,595 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:13:18" (1/1) ... [2023-12-03 03:13:18,601 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:13:18,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:13:18,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2023-12-03 03:13:18,644 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2023-12-03 03:13:18,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 03:13:18,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:13:18,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:13:18,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:18,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:13:19,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:13:19,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2023-12-03 03:13:19,006 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2023-12-03 03:13:19,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 03:13:19,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:13:19,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:13:19,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:13:41,452 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:13:41,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:13:41,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2023-12-03 03:13:41,806 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2023-12-03 03:13:41,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 03:13:41,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:13:41,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:13:42,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:14:33,259 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:14:34,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:14:34,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 41 transitions. [2023-12-03 03:14:34,259 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 41 transitions. [2023-12-03 03:14:34,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 03:14:34,262 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:14:34,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:14:34,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:24,578 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:15:25,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:25,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 29 states and 47 transitions. [2023-12-03 03:15:25,043 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2023-12-03 03:15:25,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 03:15:25,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:25,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:15:25,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:15:56,684 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 03:15:57,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:15:57,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 32 states and 53 transitions. [2023-12-03 03:15:57,164 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 53 transitions. [2023-12-03 03:15:57,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 03:15:57,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:15:57,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:15:57,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:16:36,198 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-03 03:16:36,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:16:36,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 26 states and 44 transitions. [2023-12-03 03:16:36,329 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 44 transitions. [2023-12-03 03:16:36,329 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 03:16:36,330 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2023-12-03 03:16:36,337 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-03 03:16:36,624 INFO L560 CodeCheckObserver]: Invariant with dag size 19 [2023-12-03 03:16:36,632 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 03:16:36,632 INFO L560 CodeCheckObserver]: Invariant with dag size 16 [2023-12-03 03:16:36,633 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:16:36 ImpRootNode [2023-12-03 03:16:36,634 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:16:36,634 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:16:36,634 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:16:36,634 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:16:36,635 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:13:18" (3/4) ... [2023-12-03 03:16:36,637 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 03:16:36,665 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 233 nodes and edges [2023-12-03 03:16:36,668 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-12-03 03:16:36,671 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-12-03 03:16:36,674 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 03:16:36,910 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeea071c-be1a-4cd7-91b9-e1177efc91c4/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 03:16:36,911 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeea071c-be1a-4cd7-91b9-e1177efc91c4/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 03:16:36,911 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:16:36,912 INFO L158 Benchmark]: Toolchain (without parser) took 204220.47ms. Allocated memory was 153.1MB in the beginning and 2.4GB in the end (delta: 2.2GB). Free memory was 107.2MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2023-12-03 03:16:36,912 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 153.1MB. Free memory is still 122.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:16:36,913 INFO L158 Benchmark]: CACSL2BoogieTranslator took 581.90ms. Allocated memory is still 153.1MB. Free memory was 106.7MB in the beginning and 73.6MB in the end (delta: 33.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-12-03 03:16:36,914 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.41ms. Allocated memory is still 153.1MB. Free memory was 73.6MB in the beginning and 63.6MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 03:16:36,914 INFO L158 Benchmark]: Boogie Preprocessor took 101.51ms. Allocated memory is still 153.1MB. Free memory was 63.6MB in the beginning and 113.9MB in the end (delta: -50.2MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2023-12-03 03:16:36,915 INFO L158 Benchmark]: RCFGBuilder took 5106.57ms. Allocated memory was 153.1MB in the beginning and 645.9MB in the end (delta: 492.8MB). Free memory was 113.9MB in the beginning and 450.4MB in the end (delta: -336.5MB). Peak memory consumption was 240.2MB. Max. memory is 16.1GB. [2023-12-03 03:16:36,916 INFO L158 Benchmark]: CodeCheck took 198049.03ms. Allocated memory was 645.9MB in the beginning and 2.4GB in the end (delta: 1.7GB). Free memory was 450.4MB in the beginning and 1.2GB in the end (delta: -755.7MB). Peak memory consumption was 976.3MB. Max. memory is 16.1GB. [2023-12-03 03:16:36,916 INFO L158 Benchmark]: Witness Printer took 276.90ms. Allocated memory is still 2.4GB. Free memory was 1.2GB in the beginning and 1.2GB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 03:16:36,919 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: 197.7s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 176 SdHoareTripleChecker+Valid, 4.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 140 mSDsluCounter, 180 SdHoareTripleChecker+Invalid, 3.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 104 mSDsCounter, 80 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 394 IncrementalHoareTripleChecker+Invalid, 474 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 80 mSolverCounterUnsat, 76 mSDtfsCounter, 394 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 663 GetRequests, 595 SyntacticMatches, 12 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1415 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 193.7s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 72 ConstructedInterpolants, 0 QuantifiedInterpolants, 687 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 55/80 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: 164]: 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: 30]: Loop Invariant Derived loop invariant: (((!((a24 == 1)) || !((a15 == 6))) || !((a21 == 10))) || ((a12 <= 80) && (12 <= a12))) - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: (((!((a24 == 1)) || !((a15 == 6))) || !((a21 == 10))) || (a12 < 11)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 153.1MB. Free memory is still 122.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 581.90ms. Allocated memory is still 153.1MB. Free memory was 106.7MB in the beginning and 73.6MB in the end (delta: 33.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.41ms. Allocated memory is still 153.1MB. Free memory was 73.6MB in the beginning and 63.6MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 101.51ms. Allocated memory is still 153.1MB. Free memory was 63.6MB in the beginning and 113.9MB in the end (delta: -50.2MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. * RCFGBuilder took 5106.57ms. Allocated memory was 153.1MB in the beginning and 645.9MB in the end (delta: 492.8MB). Free memory was 113.9MB in the beginning and 450.4MB in the end (delta: -336.5MB). Peak memory consumption was 240.2MB. Max. memory is 16.1GB. * CodeCheck took 198049.03ms. Allocated memory was 645.9MB in the beginning and 2.4GB in the end (delta: 1.7GB). Free memory was 450.4MB in the beginning and 1.2GB in the end (delta: -755.7MB). Peak memory consumption was 976.3MB. Max. memory is 16.1GB. * Witness Printer took 276.90ms. Allocated memory is still 2.4GB. Free memory was 1.2GB in the beginning and 1.2GB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-03 03:16:36,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeea071c-be1a-4cd7-91b9-e1177efc91c4/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