./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label45.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_9b09a755-1545-4ac3-bdbd-1665c2f0d392/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b09a755-1545-4ac3-bdbd-1665c2f0d392/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_9b09a755-1545-4ac3-bdbd-1665c2f0d392/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b09a755-1545-4ac3-bdbd-1665c2f0d392/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label45.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b09a755-1545-4ac3-bdbd-1665c2f0d392/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_9b09a755-1545-4ac3-bdbd-1665c2f0d392/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 0a3986623018c70e6eab20909e61181eb3fd2fad76b9f685fe7d2107541e2f5e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:50:07,738 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:50:07,806 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b09a755-1545-4ac3-bdbd-1665c2f0d392/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 03:50:07,811 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:50:07,812 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:50:07,837 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:50:07,838 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:50:07,838 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:50:07,839 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:50:07,840 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:50:07,840 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:50:07,841 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:50:07,841 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:50:07,842 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:50:07,842 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:50:07,843 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:50:07,843 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:50:07,844 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:50:07,844 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:50:07,845 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:50:07,845 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:50:07,846 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:50:07,846 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:50:07,847 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:50:07,847 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:50:07,847 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:50:07,848 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:50:07,848 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:50:07,849 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:50:07,849 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:50:07,850 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:50:07,850 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:50:07,851 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:50:07,851 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_9b09a755-1545-4ac3-bdbd-1665c2f0d392/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b09a755-1545-4ac3-bdbd-1665c2f0d392/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a3986623018c70e6eab20909e61181eb3fd2fad76b9f685fe7d2107541e2f5e [2023-12-03 03:50:08,108 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:50:08,128 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:50:08,130 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:50:08,132 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:50:08,132 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:50:08,134 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b09a755-1545-4ac3-bdbd-1665c2f0d392/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/eca-rers2012/Problem10_label45.c [2023-12-03 03:50:10,908 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:50:11,133 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:50:11,134 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b09a755-1545-4ac3-bdbd-1665c2f0d392/sv-benchmarks/c/eca-rers2012/Problem10_label45.c [2023-12-03 03:50:11,148 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b09a755-1545-4ac3-bdbd-1665c2f0d392/bin/ukojak-verify-Qdu7aM0XO9/data/ddc401845/2e22c03d69bd420188e7f3d4e25d56c8/FLAG460e39a51 [2023-12-03 03:50:11,160 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b09a755-1545-4ac3-bdbd-1665c2f0d392/bin/ukojak-verify-Qdu7aM0XO9/data/ddc401845/2e22c03d69bd420188e7f3d4e25d56c8 [2023-12-03 03:50:11,162 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:50:11,163 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:50:11,164 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:50:11,165 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:50:11,168 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:50:11,169 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:50:11" (1/1) ... [2023-12-03 03:50:11,170 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cc24842 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:50:11, skipping insertion in model container [2023-12-03 03:50:11,170 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:50:11" (1/1) ... [2023-12-03 03:50:11,214 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:50:11,372 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_9b09a755-1545-4ac3-bdbd-1665c2f0d392/sv-benchmarks/c/eca-rers2012/Problem10_label45.c[4437,4450] [2023-12-03 03:50:11,505 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:50:11,515 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:50:11,537 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_9b09a755-1545-4ac3-bdbd-1665c2f0d392/sv-benchmarks/c/eca-rers2012/Problem10_label45.c[4437,4450] [2023-12-03 03:50:11,600 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:50:11,615 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:50:11,615 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:50:11 WrapperNode [2023-12-03 03:50:11,615 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:50:11,616 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:50:11,616 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:50:11,616 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:50:11,622 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:50:11" (1/1) ... [2023-12-03 03:50:11,642 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:50:11" (1/1) ... [2023-12-03 03:50:11,700 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 598 [2023-12-03 03:50:11,700 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:50:11,701 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:50:11,701 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:50:11,701 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:50:11,709 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:50:11" (1/1) ... [2023-12-03 03:50:11,709 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:50:11" (1/1) ... [2023-12-03 03:50:11,716 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:50:11" (1/1) ... [2023-12-03 03:50:11,716 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:50:11" (1/1) ... [2023-12-03 03:50:11,747 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:50:11" (1/1) ... [2023-12-03 03:50:11,756 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:50:11" (1/1) ... [2023-12-03 03:50:11,765 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:50:11" (1/1) ... [2023-12-03 03:50:11,770 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:50:11" (1/1) ... [2023-12-03 03:50:11,779 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:50:11,780 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:50:11,780 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:50:11,780 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:50:11,781 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:50:11" (1/1) ... [2023-12-03 03:50:11,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:50:11,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b09a755-1545-4ac3-bdbd-1665c2f0d392/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:50:11,806 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b09a755-1545-4ac3-bdbd-1665c2f0d392/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:50:11,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b09a755-1545-4ac3-bdbd-1665c2f0d392/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:50:11,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:50:11,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:50:11,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:50:11,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:50:11,946 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:50:11,948 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:50:12,896 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:50:15,056 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:50:15,056 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 03:50:15,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:50:15 BoogieIcfgContainer [2023-12-03 03:50:15,058 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:50:15,060 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:50:15,060 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:50:15,067 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:50:15,068 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:50:15" (1/1) ... [2023-12-03 03:50:15,076 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:50:15,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:15,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2023-12-03 03:50:15,122 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2023-12-03 03:50:15,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 03:50:15,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:15,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:15,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:15,326 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 03:50:15,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:15,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2023-12-03 03:50:15,408 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2023-12-03 03:50:15,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 03:50:15,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:15,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:15,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:25,709 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 03:50:26,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:26,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2023-12-03 03:50:26,083 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2023-12-03 03:50:26,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 03:50:26,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:26,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:26,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:35,949 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 03:50:36,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:36,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 26 states and 43 transitions. [2023-12-03 03:50:36,614 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 43 transitions. [2023-12-03 03:50:36,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 03:50:36,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:36,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:36,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:45,572 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-03 03:50:45,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:45,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 29 states and 46 transitions. [2023-12-03 03:50:45,871 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2023-12-03 03:50:45,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 03:50:45,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:50:45,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:50:45,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:50:57,493 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 03:50:57,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:50:57,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 17 states and 26 transitions. [2023-12-03 03:50:57,770 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 26 transitions. [2023-12-03 03:50:57,771 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 03:50:57,771 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2023-12-03 03:50:57,789 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-03 03:50:57,994 INFO L560 CodeCheckObserver]: Invariant with dag size 23 [2023-12-03 03:50:58,001 INFO L560 CodeCheckObserver]: Invariant with dag size 21 [2023-12-03 03:50:58,001 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 03:50:58,002 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:50:58 ImpRootNode [2023-12-03 03:50:58,002 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:50:58,002 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:50:58,002 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:50:58,003 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:50:58,003 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:50:15" (3/4) ... [2023-12-03 03:50:58,004 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 03:50:58,023 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 195 nodes and edges [2023-12-03 03:50:58,025 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-12-03 03:50:58,027 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-03 03:50:58,028 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 03:50:58,198 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b09a755-1545-4ac3-bdbd-1665c2f0d392/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 03:50:58,199 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b09a755-1545-4ac3-bdbd-1665c2f0d392/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 03:50:58,199 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:50:58,200 INFO L158 Benchmark]: Toolchain (without parser) took 47036.01ms. Allocated memory was 125.8MB in the beginning and 1.5GB in the end (delta: 1.4GB). Free memory was 86.9MB in the beginning and 634.7MB in the end (delta: -547.9MB). Peak memory consumption was 826.0MB. Max. memory is 16.1GB. [2023-12-03 03:50:58,200 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 125.8MB. Free memory is still 98.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:50:58,200 INFO L158 Benchmark]: CACSL2BoogieTranslator took 450.90ms. Allocated memory is still 125.8MB. Free memory was 86.9MB in the beginning and 58.8MB in the end (delta: 28.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-12-03 03:50:58,201 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.22ms. Allocated memory is still 125.8MB. Free memory was 58.8MB in the beginning and 50.8MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-03 03:50:58,201 INFO L158 Benchmark]: Boogie Preprocessor took 78.16ms. Allocated memory is still 125.8MB. Free memory was 50.8MB in the beginning and 45.7MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-03 03:50:58,201 INFO L158 Benchmark]: RCFGBuilder took 3278.95ms. Allocated memory was 125.8MB in the beginning and 325.1MB in the end (delta: 199.2MB). Free memory was 45.7MB in the beginning and 223.9MB in the end (delta: -178.2MB). Peak memory consumption was 110.6MB. Max. memory is 16.1GB. [2023-12-03 03:50:58,202 INFO L158 Benchmark]: CodeCheck took 42942.30ms. Allocated memory was 325.1MB in the beginning and 1.5GB in the end (delta: 1.2GB). Free memory was 223.9MB in the beginning and 648.4MB in the end (delta: -424.5MB). Peak memory consumption was 746.8MB. Max. memory is 16.1GB. [2023-12-03 03:50:58,202 INFO L158 Benchmark]: Witness Printer took 196.50ms. Allocated memory is still 1.5GB. Free memory was 648.4MB in the beginning and 634.7MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 03:50:58,204 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: 42.7s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 139 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 104 mSDsluCounter, 131 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 74 mSDsCounter, 64 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 298 IncrementalHoareTripleChecker+Invalid, 362 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 64 mSolverCounterUnsat, 57 mSDtfsCounter, 298 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 514 GetRequests, 440 SyntacticMatches, 24 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1025 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 40.4s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 580 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 28/44 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: 128]: 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: ((((14 == a4) && (a12 == 0)) && (((218 < a1) || !((a10 == 1))) || (a1 < 39))) || ((!((a19 == 8)) && (14 == a4)) && (a12 == 0))) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((14 == a4) && (a12 == 0)) && ((((218 < a1) || !((a10 == 1))) || !((a19 == 8))) || (a1 < 39))) - 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 0.38ms. Allocated memory is still 125.8MB. Free memory is still 98.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 450.90ms. Allocated memory is still 125.8MB. Free memory was 86.9MB in the beginning and 58.8MB in the end (delta: 28.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.22ms. Allocated memory is still 125.8MB. Free memory was 58.8MB in the beginning and 50.8MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.16ms. Allocated memory is still 125.8MB. Free memory was 50.8MB in the beginning and 45.7MB in the end (delta: 5.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 3278.95ms. Allocated memory was 125.8MB in the beginning and 325.1MB in the end (delta: 199.2MB). Free memory was 45.7MB in the beginning and 223.9MB in the end (delta: -178.2MB). Peak memory consumption was 110.6MB. Max. memory is 16.1GB. * CodeCheck took 42942.30ms. Allocated memory was 325.1MB in the beginning and 1.5GB in the end (delta: 1.2GB). Free memory was 223.9MB in the beginning and 648.4MB in the end (delta: -424.5MB). Peak memory consumption was 746.8MB. Max. memory is 16.1GB. * Witness Printer took 196.50ms. Allocated memory is still 1.5GB. Free memory was 648.4MB in the beginning and 634.7MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-03 03:50:58,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9b09a755-1545-4ac3-bdbd-1665c2f0d392/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