./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound50.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_379f08c8-8078-45ed-a75e-66f406896234/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379f08c8-8078-45ed-a75e-66f406896234/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_379f08c8-8078-45ed-a75e-66f406896234/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379f08c8-8078-45ed-a75e-66f406896234/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379f08c8-8078-45ed-a75e-66f406896234/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_379f08c8-8078-45ed-a75e-66f406896234/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 6730d7e2d0ed6d5662ed2cfed2073e9880e52e7f1f28b9287feb3ffdee545a5a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:59:46,007 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:59:46,071 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379f08c8-8078-45ed-a75e-66f406896234/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 23:59:46,076 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:59:46,077 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:59:46,100 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:59:46,101 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:59:46,102 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:59:46,102 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:59:46,103 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:59:46,104 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:59:46,104 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:59:46,104 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:59:46,105 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:59:46,105 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:59:46,106 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:59:46,106 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:59:46,107 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:59:46,107 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:59:46,108 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:59:46,108 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:59:46,109 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:59:46,110 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:59:46,110 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:59:46,111 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:59:46,111 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:59:46,111 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:59:46,112 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:59:46,112 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:59:46,113 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:59:46,113 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:59:46,113 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:59:46,114 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:59:46,114 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_379f08c8-8078-45ed-a75e-66f406896234/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379f08c8-8078-45ed-a75e-66f406896234/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6730d7e2d0ed6d5662ed2cfed2073e9880e52e7f1f28b9287feb3ffdee545a5a [2023-12-02 23:59:46,328 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:59:46,353 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:59:46,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:59:46,357 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:59:46,357 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:59:46,358 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379f08c8-8078-45ed-a75e-66f406896234/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound50.c [2023-12-02 23:59:49,186 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:59:49,340 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:59:49,340 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379f08c8-8078-45ed-a75e-66f406896234/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound50.c [2023-12-02 23:59:49,348 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379f08c8-8078-45ed-a75e-66f406896234/bin/ukojak-verify-Qdu7aM0XO9/data/8a36d2f37/3c93e605b93d47d881495e72060c718c/FLAGac8d13987 [2023-12-02 23:59:49,360 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379f08c8-8078-45ed-a75e-66f406896234/bin/ukojak-verify-Qdu7aM0XO9/data/8a36d2f37/3c93e605b93d47d881495e72060c718c [2023-12-02 23:59:49,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:59:49,364 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:59:49,365 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:59:49,365 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:59:49,368 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:59:49,369 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:59:49" (1/1) ... [2023-12-02 23:59:49,370 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bc54baa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:49, skipping insertion in model container [2023-12-02 23:59:49,370 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:59:49" (1/1) ... [2023-12-02 23:59:49,391 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:59:49,543 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_379f08c8-8078-45ed-a75e-66f406896234/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound50.c[546,559] [2023-12-02 23:59:49,558 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:59:49,568 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:59:49,580 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_379f08c8-8078-45ed-a75e-66f406896234/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound50.c[546,559] [2023-12-02 23:59:49,585 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:59:49,599 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:59:49,600 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:49 WrapperNode [2023-12-02 23:59:49,600 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:59:49,601 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:59:49,601 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:59:49,602 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:59:49,609 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:49" (1/1) ... [2023-12-02 23:59:49,615 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:49" (1/1) ... [2023-12-02 23:59:49,632 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 46 [2023-12-02 23:59:49,633 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:59:49,633 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:59:49,634 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:59:49,634 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:59:49,642 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:49" (1/1) ... [2023-12-02 23:59:49,642 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:49" (1/1) ... [2023-12-02 23:59:49,643 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:49" (1/1) ... [2023-12-02 23:59:49,644 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:49" (1/1) ... [2023-12-02 23:59:49,646 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:49" (1/1) ... [2023-12-02 23:59:49,649 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:49" (1/1) ... [2023-12-02 23:59:49,650 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:49" (1/1) ... [2023-12-02 23:59:49,650 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:49" (1/1) ... [2023-12-02 23:59:49,652 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:59:49,653 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:59:49,653 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:59:49,653 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:59:49,653 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:59:49" (1/1) ... [2023-12-02 23:59:49,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:59:49,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379f08c8-8078-45ed-a75e-66f406896234/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:59:49,687 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379f08c8-8078-45ed-a75e-66f406896234/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:59:49,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379f08c8-8078-45ed-a75e-66f406896234/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:59:49,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:59:49,716 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 23:59:49,716 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 23:59:49,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:59:49,716 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:59:49,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:59:49,717 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 23:59:49,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 23:59:49,770 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:59:49,771 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:59:49,885 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:59:49,913 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:59:49,914 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 23:59:49,915 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:59:49 BoogieIcfgContainer [2023-12-02 23:59:49,915 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:59:49,916 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:59:49,916 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:59:49,927 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:59:49,927 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:59:49" (1/1) ... [2023-12-02 23:59:49,935 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:59:49,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:59:49,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2023-12-02 23:59:49,979 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2023-12-02 23:59:49,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 23:59:49,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:59:49,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:59:50,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:59:50,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:59:50,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:59:50,133 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:59:50,157 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 23:59:50,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:59:50,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2023-12-02 23:59:50,180 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2023-12-02 23:59:50,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 23:59:50,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:59:50,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:59:50,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:59:50,232 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 23:59:50,234 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:59:50,352 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 23:59:50,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:59:50,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 33 transitions. [2023-12-02 23:59:50,473 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2023-12-02 23:59:50,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 23:59:50,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:59:50,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:59:50,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:59:50,506 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:59:50,507 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:59:50,554 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 23:59:50,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:59:50,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 36 transitions. [2023-12-02 23:59:50,994 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2023-12-02 23:59:50,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 23:59:50,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:59:50,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:59:51,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:59:51,030 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 23:59:51,032 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:59:51,215 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 23:59:51,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:59:51,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 32 states and 44 transitions. [2023-12-02 23:59:51,566 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 44 transitions. [2023-12-02 23:59:51,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 23:59:51,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:59:51,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:59:51,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:59:51,633 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 31 conjunts are in the unsatisfiable core [2023-12-02 23:59:51,635 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:59:51,925 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 23:59:53,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:59:53,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 39 states and 58 transitions. [2023-12-02 23:59:53,188 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 58 transitions. [2023-12-02 23:59:53,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 23:59:53,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:59:53,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:59:53,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:59:53,233 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 28 conjunts are in the unsatisfiable core [2023-12-02 23:59:53,236 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:59:53,760 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 23:59:55,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:59:55,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 46 states and 75 transitions. [2023-12-02 23:59:55,349 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 75 transitions. [2023-12-02 23:59:55,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-02 23:59:55,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:59:55,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:59:55,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:59:55,401 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-02 23:59:55,404 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:59:55,889 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 23 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 23:59:56,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:59:56,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 49 states and 80 transitions. [2023-12-02 23:59:56,542 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 80 transitions. [2023-12-02 23:59:56,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-02 23:59:56,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:59:56,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:59:56,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:59:56,588 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-02 23:59:56,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:59:56,863 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 23 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 23:59:57,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:59:57,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 27 states and 37 transitions. [2023-12-02 23:59:57,327 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2023-12-02 23:59:57,328 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 23:59:57,328 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2023-12-02 23:59:57,338 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-02 23:59:57,489 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 23:59:57,494 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 23:59:57,494 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:59:57 ImpRootNode [2023-12-02 23:59:57,494 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:59:57,495 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:59:57,495 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:59:57,495 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:59:57,496 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:59:49" (3/4) ... [2023-12-02 23:59:57,498 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 23:59:57,502 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-12-02 23:59:57,502 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-12-02 23:59:57,506 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2023-12-02 23:59:57,506 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-12-02 23:59:57,507 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-02 23:59:57,507 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 23:59:57,589 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379f08c8-8078-45ed-a75e-66f406896234/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 23:59:57,590 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379f08c8-8078-45ed-a75e-66f406896234/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-02 23:59:57,590 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:59:57,591 INFO L158 Benchmark]: Toolchain (without parser) took 8227.17ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 118.3MB in the beginning and 140.6MB in the end (delta: -22.4MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2023-12-02 23:59:57,592 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 111.1MB. Free memory is still 58.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:59:57,592 INFO L158 Benchmark]: CACSL2BoogieTranslator took 235.79ms. Allocated memory is still 161.5MB. Free memory was 117.8MB in the beginning and 107.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 23:59:57,593 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.76ms. Allocated memory is still 161.5MB. Free memory was 107.2MB in the beginning and 105.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:59:57,593 INFO L158 Benchmark]: Boogie Preprocessor took 18.52ms. Allocated memory is still 161.5MB. Free memory was 105.7MB in the beginning and 104.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:59:57,594 INFO L158 Benchmark]: RCFGBuilder took 263.02ms. Allocated memory is still 161.5MB. Free memory was 104.6MB in the beginning and 93.7MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 23:59:57,594 INFO L158 Benchmark]: CodeCheck took 7578.25ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 93.7MB in the beginning and 145.8MB in the end (delta: -52.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:59:57,595 INFO L158 Benchmark]: Witness Printer took 95.05ms. Allocated memory is still 195.0MB. Free memory was 145.8MB in the beginning and 140.6MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 23:59:57,598 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 3 procedures, 20 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.4s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 499 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 181 mSDsluCounter, 461 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 209 mSDsCounter, 316 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 944 IncrementalHoareTripleChecker+Invalid, 1260 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 316 mSolverCounterUnsat, 252 mSDtfsCounter, 944 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1692 GetRequests, 1554 SyntacticMatches, 38 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3425 ImplicationChecksByTransitivity, 5.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 192 NumberOfCodeBlocks, 192 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 184 ConstructedInterpolants, 10 QuantifiedInterpolants, 1019 SizeOfPredicates, 25 NumberOfNonLiveVariables, 705 ConjunctsInSsa, 149 ConjunctsInUnsatCore, 8 InterpolantComputations, 2 PerfectInterpolantSequences, 86/119 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: 18]: 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: 35]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 111.1MB. Free memory is still 58.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 235.79ms. Allocated memory is still 161.5MB. Free memory was 117.8MB in the beginning and 107.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.76ms. Allocated memory is still 161.5MB. Free memory was 107.2MB in the beginning and 105.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.52ms. Allocated memory is still 161.5MB. Free memory was 105.7MB in the beginning and 104.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 263.02ms. Allocated memory is still 161.5MB. Free memory was 104.6MB in the beginning and 93.7MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 7578.25ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 93.7MB in the beginning and 145.8MB in the end (delta: -52.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 95.05ms. Allocated memory is still 195.0MB. Free memory was 145.8MB in the beginning and 140.6MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-02 23:59:57,620 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_379f08c8-8078-45ed-a75e-66f406896234/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