./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label38.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_7b8b137b-d148-41cb-b703-ff177f5d53c2/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8b137b-d148-41cb-b703-ff177f5d53c2/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_7b8b137b-d148-41cb-b703-ff177f5d53c2/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8b137b-d148-41cb-b703-ff177f5d53c2/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label38.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8b137b-d148-41cb-b703-ff177f5d53c2/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_7b8b137b-d148-41cb-b703-ff177f5d53c2/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 7493d306d44d9507b84459ae39e255658015ac06dd9b543cde90600f3bafda06 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:59:44,727 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:59:44,787 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8b137b-d148-41cb-b703-ff177f5d53c2/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 01:59:44,791 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:59:44,792 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:59:44,813 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:59:44,814 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:59:44,815 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:59:44,816 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:59:44,816 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:59:44,817 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:59:44,817 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:59:44,818 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:59:44,818 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:59:44,819 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:59:44,819 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:59:44,820 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:59:44,820 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:59:44,821 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:59:44,821 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:59:44,822 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:59:44,824 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:59:44,824 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:59:44,825 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:59:44,825 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:59:44,826 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:59:44,826 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:59:44,827 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:59:44,827 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:59:44,828 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:59:44,828 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:59:44,829 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:59:44,829 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:59:44,829 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_7b8b137b-d148-41cb-b703-ff177f5d53c2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8b137b-d148-41cb-b703-ff177f5d53c2/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7493d306d44d9507b84459ae39e255658015ac06dd9b543cde90600f3bafda06 [2023-12-03 01:59:45,060 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:59:45,084 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:59:45,087 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:59:45,088 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:59:45,088 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:59:45,089 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8b137b-d148-41cb-b703-ff177f5d53c2/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/eca-rers2012/Problem11_label38.c [2023-12-03 01:59:47,848 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:59:48,118 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:59:48,119 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8b137b-d148-41cb-b703-ff177f5d53c2/sv-benchmarks/c/eca-rers2012/Problem11_label38.c [2023-12-03 01:59:48,134 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8b137b-d148-41cb-b703-ff177f5d53c2/bin/ukojak-verify-Qdu7aM0XO9/data/a0d6b7874/e3128b2ad265498cb63a3456d3840882/FLAG9740b6ad3 [2023-12-03 01:59:48,148 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8b137b-d148-41cb-b703-ff177f5d53c2/bin/ukojak-verify-Qdu7aM0XO9/data/a0d6b7874/e3128b2ad265498cb63a3456d3840882 [2023-12-03 01:59:48,151 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:59:48,152 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:59:48,154 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:59:48,154 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:59:48,159 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:59:48,159 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:59:48" (1/1) ... [2023-12-03 01:59:48,160 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@643ebf01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:59:48, skipping insertion in model container [2023-12-03 01:59:48,161 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:59:48" (1/1) ... [2023-12-03 01:59:48,234 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:59:48,451 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_7b8b137b-d148-41cb-b703-ff177f5d53c2/sv-benchmarks/c/eca-rers2012/Problem11_label38.c[8652,8665] [2023-12-03 01:59:48,644 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:59:48,655 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:59:48,691 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_7b8b137b-d148-41cb-b703-ff177f5d53c2/sv-benchmarks/c/eca-rers2012/Problem11_label38.c[8652,8665] [2023-12-03 01:59:48,816 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:59:48,832 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:59:48,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:59:48 WrapperNode [2023-12-03 01:59:48,832 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:59:48,834 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:59:48,834 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:59:48,834 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:59:48,855 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:59:48" (1/1) ... [2023-12-03 01:59:48,904 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:59:48" (1/1) ... [2023-12-03 01:59:48,985 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1000 [2023-12-03 01:59:48,985 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:59:48,986 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:59:48,986 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:59:48,987 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:59:48,996 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:59:48" (1/1) ... [2023-12-03 01:59:48,996 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:59:48" (1/1) ... [2023-12-03 01:59:49,006 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:59:48" (1/1) ... [2023-12-03 01:59:49,006 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:59:48" (1/1) ... [2023-12-03 01:59:49,048 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:59:48" (1/1) ... [2023-12-03 01:59:49,057 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:59:48" (1/1) ... [2023-12-03 01:59:49,075 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:59:48" (1/1) ... [2023-12-03 01:59:49,080 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:59:48" (1/1) ... [2023-12-03 01:59:49,090 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:59:49,091 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:59:49,091 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:59:49,091 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:59:49,092 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:59:48" (1/1) ... [2023-12-03 01:59:49,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:59:49,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8b137b-d148-41cb-b703-ff177f5d53c2/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:59:49,123 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8b137b-d148-41cb-b703-ff177f5d53c2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:59:49,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8b137b-d148-41cb-b703-ff177f5d53c2/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:59:49,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:59:49,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:59:49,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:59:49,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:59:49,221 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:59:49,224 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:59:50,677 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:59:56,532 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:59:56,532 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 01:59:56,534 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:59:56 BoogieIcfgContainer [2023-12-03 01:59:56,534 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:59:56,535 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:59:56,535 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:59:56,542 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:59:56,542 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:59:56" (1/1) ... [2023-12-03 01:59:56,550 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:59:56,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:59:56,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2023-12-03 01:59:56,595 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2023-12-03 01:59:56,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 01:59:56,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:59:56,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:59:56,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:59:56,808 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 01:59:56,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:59:56,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2023-12-03 01:59:56,934 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2023-12-03 01:59:56,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 01:59:56,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:59:56,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:59:57,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:00:30,637 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 02:00:40,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:00:41,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:00:41,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2023-12-03 02:00:41,106 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2023-12-03 02:00:41,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 02:00:41,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:00:41,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:00:41,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:01:56,573 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 02:02:02,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.67s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:02:05,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:02:15,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:02:16,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:02:16,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 30 states and 52 transitions. [2023-12-03 02:02:16,100 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 52 transitions. [2023-12-03 02:02:16,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 02:02:16,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:02:16,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:02:16,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:03:30,544 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 02:03:30,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:03:30,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 33 states and 58 transitions. [2023-12-03 02:03:30,872 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 58 transitions. [2023-12-03 02:03:30,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 02:03:30,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:03:30,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:03:31,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:04:32,525 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 02:04:42,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:04:54,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:05:04,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:05:04,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:05:04,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 40 states and 73 transitions. [2023-12-03 02:05:04,885 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 73 transitions. [2023-12-03 02:05:04,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 02:05:04,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:05:04,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:05:05,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:04,400 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 02:06:05,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:06:05,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 43 states and 77 transitions. [2023-12-03 02:06:05,008 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2023-12-03 02:06:05,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 02:06:05,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:06:05,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:06:06,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:07:12,885 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 02:07:13,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:07:13,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 29 states and 55 transitions. [2023-12-03 02:07:13,614 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 55 transitions. [2023-12-03 02:07:13,614 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 02:07:13,615 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2023-12-03 02:07:13,620 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-03 02:07:13,961 INFO L560 CodeCheckObserver]: Invariant with dag size 28 [2023-12-03 02:07:13,968 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 02:07:13,968 INFO L560 CodeCheckObserver]: Invariant with dag size 27 [2023-12-03 02:07:13,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 02:07:13 ImpRootNode [2023-12-03 02:07:13,970 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 02:07:13,971 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 02:07:13,971 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 02:07:13,971 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 02:07:13,971 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:59:56" (3/4) ... [2023-12-03 02:07:13,974 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 02:07:13,998 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 273 nodes and edges [2023-12-03 02:07:14,000 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-12-03 02:07:14,002 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-03 02:07:14,004 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 02:07:14,176 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8b137b-d148-41cb-b703-ff177f5d53c2/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 02:07:14,176 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8b137b-d148-41cb-b703-ff177f5d53c2/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 02:07:14,176 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 02:07:14,177 INFO L158 Benchmark]: Toolchain (without parser) took 446024.99ms. Allocated memory was 136.3MB in the beginning and 3.1GB in the end (delta: 2.9GB). Free memory was 88.7MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 1.1GB. Max. memory is 16.1GB. [2023-12-03 02:07:14,178 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 136.3MB. Free memory is still 107.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:07:14,178 INFO L158 Benchmark]: CACSL2BoogieTranslator took 679.23ms. Allocated memory is still 136.3MB. Free memory was 88.5MB in the beginning and 100.1MB in the end (delta: -11.6MB). Peak memory consumption was 54.4MB. Max. memory is 16.1GB. [2023-12-03 02:07:14,178 INFO L158 Benchmark]: Boogie Procedure Inliner took 152.15ms. Allocated memory was 136.3MB in the beginning and 182.5MB in the end (delta: 46.1MB). Free memory was 100.1MB in the beginning and 133.2MB in the end (delta: -33.2MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2023-12-03 02:07:14,179 INFO L158 Benchmark]: Boogie Preprocessor took 104.06ms. Allocated memory is still 182.5MB. Free memory was 133.2MB in the beginning and 123.8MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-03 02:07:14,179 INFO L158 Benchmark]: RCFGBuilder took 7442.81ms. Allocated memory was 182.5MB in the beginning and 1.1GB in the end (delta: 876.6MB). Free memory was 123.8MB in the beginning and 895.6MB in the end (delta: -771.8MB). Peak memory consumption was 686.7MB. Max. memory is 16.1GB. [2023-12-03 02:07:14,180 INFO L158 Benchmark]: CodeCheck took 437435.30ms. Allocated memory was 1.1GB in the beginning and 3.1GB in the end (delta: 2.0GB). Free memory was 895.6MB in the beginning and 2.0GB in the end (delta: -1.1GB). Peak memory consumption was 941.6MB. Max. memory is 16.1GB. [2023-12-03 02:07:14,180 INFO L158 Benchmark]: Witness Printer took 205.95ms. Allocated memory is still 3.1GB. Free memory was 2.0GB in the beginning and 1.9GB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 02:07:14,182 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: 437.1s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 20 mSolverCounterUnknown, 321 SdHoareTripleChecker+Valid, 253.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 273 mSDsluCounter, 307 SdHoareTripleChecker+Invalid, 252.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 186 mSDsCounter, 157 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 770 IncrementalHoareTripleChecker+Invalid, 947 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 157 mSolverCounterUnsat, 121 mSDtfsCounter, 770 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 964 GetRequests, 858 SyntacticMatches, 30 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2657 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 3.4s SatisfiabilityAnalysisTime, 369.2s InterpolantComputationTime, 95 NumberOfCodeBlocks, 95 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 88 ConstructedInterpolants, 0 QuantifiedInterpolants, 1142 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 48/101 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: 196]: 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: 1044]: Loop Invariant Derived loop invariant: ((((a3 == 1) && (a8 == 15)) && ((138 < a23) || !((a4 == 1)))) || (((a3 == 1) && (a8 == 15)) && ((!((a25 == 13)) || ((a23 + 42) < 0)) || (a29 < 278)))) - InvariantResult [Line: 1038]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((((((!((a25 == 13)) || (138 < a23)) || (a29 < 278)) || !((a4 == 1))) && (a3 == 1)) && (a8 == 15)) || ((((a23 + 42) < 0) && (a3 == 1)) && (a8 == 15))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 136.3MB. Free memory is still 107.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 679.23ms. Allocated memory is still 136.3MB. Free memory was 88.5MB in the beginning and 100.1MB in the end (delta: -11.6MB). Peak memory consumption was 54.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 152.15ms. Allocated memory was 136.3MB in the beginning and 182.5MB in the end (delta: 46.1MB). Free memory was 100.1MB in the beginning and 133.2MB in the end (delta: -33.2MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 104.06ms. Allocated memory is still 182.5MB. Free memory was 133.2MB in the beginning and 123.8MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 7442.81ms. Allocated memory was 182.5MB in the beginning and 1.1GB in the end (delta: 876.6MB). Free memory was 123.8MB in the beginning and 895.6MB in the end (delta: -771.8MB). Peak memory consumption was 686.7MB. Max. memory is 16.1GB. * CodeCheck took 437435.30ms. Allocated memory was 1.1GB in the beginning and 3.1GB in the end (delta: 2.0GB). Free memory was 895.6MB in the beginning and 2.0GB in the end (delta: -1.1GB). Peak memory consumption was 941.6MB. Max. memory is 16.1GB. * Witness Printer took 205.95ms. Allocated memory is still 3.1GB. Free memory was 2.0GB in the beginning and 1.9GB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-03 02:07:14,208 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8b137b-d148-41cb-b703-ff177f5d53c2/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