./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label35.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8a9a4e-8ff7-46bd-bcdd-aaf8d650aeb7/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8a9a4e-8ff7-46bd-bcdd-aaf8d650aeb7/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_4a8a9a4e-8ff7-46bd-bcdd-aaf8d650aeb7/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8a9a4e-8ff7-46bd-bcdd-aaf8d650aeb7/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label35.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8a9a4e-8ff7-46bd-bcdd-aaf8d650aeb7/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_4a8a9a4e-8ff7-46bd-bcdd-aaf8d650aeb7/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 62d888471d056f6cd9411573d32e3ae9a40e666c4b036562384bced7989fece1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:45:25,579 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:45:25,645 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8a9a4e-8ff7-46bd-bcdd-aaf8d650aeb7/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 00:45:25,650 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:45:25,650 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:45:25,673 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:45:25,674 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:45:25,674 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:45:25,675 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:45:25,675 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:45:25,676 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:45:25,677 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:45:25,677 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:45:25,678 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:45:25,678 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:45:25,679 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:45:25,679 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:45:25,680 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:45:25,680 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:45:25,681 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:45:25,682 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:45:25,684 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:45:25,685 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:45:25,685 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:45:25,686 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:45:25,687 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:45:25,687 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:45:25,688 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:45:25,688 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:45:25,688 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:45:25,689 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:45:25,689 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:45:25,689 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:45:25,690 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_4a8a9a4e-8ff7-46bd-bcdd-aaf8d650aeb7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8a9a4e-8ff7-46bd-bcdd-aaf8d650aeb7/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 62d888471d056f6cd9411573d32e3ae9a40e666c4b036562384bced7989fece1 [2023-12-03 00:45:25,894 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:45:25,916 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:45:25,918 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:45:25,920 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:45:25,920 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:45:25,921 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8a9a4e-8ff7-46bd-bcdd-aaf8d650aeb7/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/eca-rers2012/Problem10_label35.c [2023-12-03 00:45:28,720 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:45:28,946 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:45:28,946 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8a9a4e-8ff7-46bd-bcdd-aaf8d650aeb7/sv-benchmarks/c/eca-rers2012/Problem10_label35.c [2023-12-03 00:45:28,959 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8a9a4e-8ff7-46bd-bcdd-aaf8d650aeb7/bin/ukojak-verify-Qdu7aM0XO9/data/72b50af68/49c0682a00b1471780a03276e5039e47/FLAGee89c00b2 [2023-12-03 00:45:28,977 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8a9a4e-8ff7-46bd-bcdd-aaf8d650aeb7/bin/ukojak-verify-Qdu7aM0XO9/data/72b50af68/49c0682a00b1471780a03276e5039e47 [2023-12-03 00:45:28,979 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:45:28,981 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:45:28,982 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:45:28,982 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:45:28,987 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:45:28,988 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:45:28" (1/1) ... [2023-12-03 00:45:28,989 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19667995 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:45:28, skipping insertion in model container [2023-12-03 00:45:28,989 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:45:28" (1/1) ... [2023-12-03 00:45:29,043 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:45:29,236 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_4a8a9a4e-8ff7-46bd-bcdd-aaf8d650aeb7/sv-benchmarks/c/eca-rers2012/Problem10_label35.c[5864,5877] [2023-12-03 00:45:29,353 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:45:29,364 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:45:29,394 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_4a8a9a4e-8ff7-46bd-bcdd-aaf8d650aeb7/sv-benchmarks/c/eca-rers2012/Problem10_label35.c[5864,5877] [2023-12-03 00:45:29,473 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:45:29,488 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:45:29,488 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:45:29 WrapperNode [2023-12-03 00:45:29,488 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:45:29,490 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:45:29,490 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:45:29,490 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:45:29,497 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:45:29" (1/1) ... [2023-12-03 00:45:29,518 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:45:29" (1/1) ... [2023-12-03 00:45:29,576 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 598 [2023-12-03 00:45:29,577 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:45:29,578 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:45:29,578 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:45:29,578 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:45:29,588 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:45:29" (1/1) ... [2023-12-03 00:45:29,588 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:45:29" (1/1) ... [2023-12-03 00:45:29,595 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:45:29" (1/1) ... [2023-12-03 00:45:29,595 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:45:29" (1/1) ... [2023-12-03 00:45:29,626 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:45:29" (1/1) ... [2023-12-03 00:45:29,658 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:45:29" (1/1) ... [2023-12-03 00:45:29,667 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:45:29" (1/1) ... [2023-12-03 00:45:29,673 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:45:29" (1/1) ... [2023-12-03 00:45:29,687 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:45:29,689 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:45:29,689 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:45:29,689 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:45:29,690 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:45:29" (1/1) ... [2023-12-03 00:45:29,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:45:29,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8a9a4e-8ff7-46bd-bcdd-aaf8d650aeb7/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:45:29,743 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8a9a4e-8ff7-46bd-bcdd-aaf8d650aeb7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:45:29,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8a9a4e-8ff7-46bd-bcdd-aaf8d650aeb7/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:45:29,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:45:29,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:45:29,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:45:29,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:45:29,854 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:45:29,857 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:45:30,823 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:45:33,625 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:45:33,626 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 00:45:33,628 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:45:33 BoogieIcfgContainer [2023-12-03 00:45:33,628 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:45:33,629 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:45:33,629 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:45:33,637 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:45:33,637 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:45:33" (1/1) ... [2023-12-03 00:45:33,645 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:45:33,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:33,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2023-12-03 00:45:33,691 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2023-12-03 00:45:33,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 00:45:33,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:33,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:45:33,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:33,901 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 00:45:33,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:33,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2023-12-03 00:45:33,969 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2023-12-03 00:45:33,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 00:45:33,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:33,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:45:34,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:45:44,131 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 00:45:44,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:45:44,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2023-12-03 00:45:44,576 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2023-12-03 00:45:44,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 00:45:44,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:45:44,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:45:44,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:00,586 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 00:46:01,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:01,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 26 states and 45 transitions. [2023-12-03 00:46:01,275 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 45 transitions. [2023-12-03 00:46:01,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 00:46:01,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:01,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:46:01,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:16,048 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 00:46:16,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:16,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 29 states and 50 transitions. [2023-12-03 00:46:16,407 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 50 transitions. [2023-12-03 00:46:16,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 00:46:16,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:16,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:46:16,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:27,042 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 00:46:27,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:27,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 33 states and 61 transitions. [2023-12-03 00:46:27,831 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 61 transitions. [2023-12-03 00:46:27,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 00:46:27,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:27,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:46:27,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:38,414 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 00:46:38,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:38,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 34 states and 62 transitions. [2023-12-03 00:46:38,634 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 62 transitions. [2023-12-03 00:46:38,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 00:46:38,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:38,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:46:38,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:46:49,077 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 00:46:49,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:46:49,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 36 states and 65 transitions. [2023-12-03 00:46:49,301 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 65 transitions. [2023-12-03 00:46:49,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 00:46:49,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:46:49,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:46:49,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:47:05,701 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-12-03 00:47:06,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:47:06,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 23 states and 40 transitions. [2023-12-03 00:47:06,447 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 40 transitions. [2023-12-03 00:47:06,447 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 00:47:06,447 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2023-12-03 00:47:06,453 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-03 00:47:06,731 INFO L560 CodeCheckObserver]: Invariant with dag size 23 [2023-12-03 00:47:06,738 INFO L560 CodeCheckObserver]: Invariant with dag size 22 [2023-12-03 00:47:06,739 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 00:47:06,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 12:47:06 ImpRootNode [2023-12-03 00:47:06,739 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 00:47:06,740 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 00:47:06,740 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 00:47:06,740 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 00:47:06,740 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:45:33" (3/4) ... [2023-12-03 00:47:06,742 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 00:47:06,757 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 195 nodes and edges [2023-12-03 00:47:06,759 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-12-03 00:47:06,761 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-12-03 00:47:06,762 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 00:47:06,931 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8a9a4e-8ff7-46bd-bcdd-aaf8d650aeb7/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 00:47:06,932 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8a9a4e-8ff7-46bd-bcdd-aaf8d650aeb7/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 00:47:06,932 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 00:47:06,933 INFO L158 Benchmark]: Toolchain (without parser) took 97951.53ms. Allocated memory was 163.6MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 122.6MB in the beginning and 485.0MB in the end (delta: -362.3MB). Peak memory consumption was 877.8MB. Max. memory is 16.1GB. [2023-12-03 00:47:06,933 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 163.6MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 00:47:06,933 INFO L158 Benchmark]: CACSL2BoogieTranslator took 506.63ms. Allocated memory is still 163.6MB. Free memory was 122.3MB in the beginning and 94.2MB in the end (delta: 28.1MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-12-03 00:47:06,934 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.52ms. Allocated memory is still 163.6MB. Free memory was 94.2MB in the beginning and 86.2MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-03 00:47:06,934 INFO L158 Benchmark]: Boogie Preprocessor took 110.12ms. Allocated memory was 163.6MB in the beginning and 218.1MB in the end (delta: 54.5MB). Free memory was 86.2MB in the beginning and 180.7MB in the end (delta: -94.5MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2023-12-03 00:47:06,934 INFO L158 Benchmark]: RCFGBuilder took 3939.33ms. Allocated memory was 218.1MB in the beginning and 377.5MB in the end (delta: 159.4MB). Free memory was 180.7MB in the beginning and 221.1MB in the end (delta: -40.4MB). Peak memory consumption was 172.5MB. Max. memory is 16.1GB. [2023-12-03 00:47:06,935 INFO L158 Benchmark]: CodeCheck took 93110.45ms. Allocated memory was 377.5MB in the beginning and 1.4GB in the end (delta: 1.0GB). Free memory was 221.1MB in the beginning and 497.5MB in the end (delta: -276.4MB). Peak memory consumption was 748.0MB. Max. memory is 16.1GB. [2023-12-03 00:47:06,935 INFO L158 Benchmark]: Witness Printer took 192.08ms. Allocated memory is still 1.4GB. Free memory was 497.5MB in the beginning and 485.0MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 00:47:06,937 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: 92.8s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 322 SdHoareTripleChecker+Valid, 3.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 260 mSDsluCounter, 290 SdHoareTripleChecker+Invalid, 3.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 172 mSDsCounter, 137 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 749 IncrementalHoareTripleChecker+Invalid, 886 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 137 mSolverCounterUnsat, 118 mSDtfsCounter, 749 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1093 GetRequests, 950 SyntacticMatches, 59 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2964 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 88.4s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 1335 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 60/122 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: 167]: 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: ((((!((a10 == 4)) && (14 == a4)) && (a12 == 0)) || (((14 == a4) && (a12 == 0)) && (0 < (a1 + 13)))) || (((14 == a4) && ((7 < a19) || (a19 < 7))) && (a12 == 0))) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((14 == a4) && ((!((a10 == 4)) || ((a1 <= 218) && (39 <= a1))) || !((7 == a19)))) && (a12 == 0)) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 163.6MB. Free memory is still 105.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 506.63ms. Allocated memory is still 163.6MB. Free memory was 122.3MB in the beginning and 94.2MB in the end (delta: 28.1MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.52ms. Allocated memory is still 163.6MB. Free memory was 94.2MB in the beginning and 86.2MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 110.12ms. Allocated memory was 163.6MB in the beginning and 218.1MB in the end (delta: 54.5MB). Free memory was 86.2MB in the beginning and 180.7MB in the end (delta: -94.5MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * RCFGBuilder took 3939.33ms. Allocated memory was 218.1MB in the beginning and 377.5MB in the end (delta: 159.4MB). Free memory was 180.7MB in the beginning and 221.1MB in the end (delta: -40.4MB). Peak memory consumption was 172.5MB. Max. memory is 16.1GB. * CodeCheck took 93110.45ms. Allocated memory was 377.5MB in the beginning and 1.4GB in the end (delta: 1.0GB). Free memory was 221.1MB in the beginning and 497.5MB in the end (delta: -276.4MB). Peak memory consumption was 748.0MB. Max. memory is 16.1GB. * Witness Printer took 192.08ms. Allocated memory is still 1.4GB. Free memory was 497.5MB in the beginning and 485.0MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-03 00:47:06,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a8a9a4e-8ff7-46bd-bcdd-aaf8d650aeb7/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