./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound5.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_1a33ee76-3553-4d26-8fa4-5440c90dc652/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a33ee76-3553-4d26-8fa4-5440c90dc652/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_1a33ee76-3553-4d26-8fa4-5440c90dc652/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a33ee76-3553-4d26-8fa4-5440c90dc652/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a33ee76-3553-4d26-8fa4-5440c90dc652/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_1a33ee76-3553-4d26-8fa4-5440c90dc652/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 e93016ff57c45c3cae283be4b49e01d237dbbda4f83cf7a9bfcfac37d4c97276 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:45:14,068 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:45:14,130 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a33ee76-3553-4d26-8fa4-5440c90dc652/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 23:45:14,135 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:45:14,135 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:45:14,156 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:45:14,157 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:45:14,157 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:45:14,158 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:45:14,159 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:45:14,159 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:45:14,160 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:45:14,160 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:45:14,161 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:45:14,161 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:45:14,162 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:45:14,162 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:45:14,163 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:45:14,163 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:45:14,164 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:45:14,164 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:45:14,165 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:45:14,165 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:45:14,166 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:45:14,166 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:45:14,167 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:45:14,167 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:45:14,167 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:45:14,168 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:45:14,168 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:45:14,169 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:45:14,169 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:45:14,170 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:45:14,170 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_1a33ee76-3553-4d26-8fa4-5440c90dc652/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a33ee76-3553-4d26-8fa4-5440c90dc652/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e93016ff57c45c3cae283be4b49e01d237dbbda4f83cf7a9bfcfac37d4c97276 [2023-12-02 23:45:14,395 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:45:14,416 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:45:14,419 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:45:14,420 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:45:14,420 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:45:14,421 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a33ee76-3553-4d26-8fa4-5440c90dc652/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound5.c [2023-12-02 23:45:17,177 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:45:17,341 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:45:17,341 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a33ee76-3553-4d26-8fa4-5440c90dc652/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound5.c [2023-12-02 23:45:17,347 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a33ee76-3553-4d26-8fa4-5440c90dc652/bin/ukojak-verify-Qdu7aM0XO9/data/4e79a8f26/757542a3d9964082b75147f8a6324fc9/FLAGf71c0c7c9 [2023-12-02 23:45:17,360 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a33ee76-3553-4d26-8fa4-5440c90dc652/bin/ukojak-verify-Qdu7aM0XO9/data/4e79a8f26/757542a3d9964082b75147f8a6324fc9 [2023-12-02 23:45:17,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:45:17,363 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:45:17,364 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:45:17,364 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:45:17,368 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:45:17,369 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:45:17" (1/1) ... [2023-12-02 23:45:17,370 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a0abfcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:17, skipping insertion in model container [2023-12-02 23:45:17,370 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:45:17" (1/1) ... [2023-12-02 23:45:17,389 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:45:17,520 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_1a33ee76-3553-4d26-8fa4-5440c90dc652/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound5.c[525,538] [2023-12-02 23:45:17,534 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:45:17,544 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:45:17,556 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_1a33ee76-3553-4d26-8fa4-5440c90dc652/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound5.c[525,538] [2023-12-02 23:45:17,562 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:45:17,574 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:45:17,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:17 WrapperNode [2023-12-02 23:45:17,575 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:45:17,576 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:45:17,576 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:45:17,576 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:45:17,584 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:17" (1/1) ... [2023-12-02 23:45:17,591 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:17" (1/1) ... [2023-12-02 23:45:17,610 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 48 [2023-12-02 23:45:17,610 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:45:17,611 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:45:17,611 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:45:17,611 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:45:17,618 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:17" (1/1) ... [2023-12-02 23:45:17,619 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:17" (1/1) ... [2023-12-02 23:45:17,620 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:17" (1/1) ... [2023-12-02 23:45:17,620 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:17" (1/1) ... [2023-12-02 23:45:17,624 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:17" (1/1) ... [2023-12-02 23:45:17,627 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:17" (1/1) ... [2023-12-02 23:45:17,628 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:17" (1/1) ... [2023-12-02 23:45:17,629 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:17" (1/1) ... [2023-12-02 23:45:17,630 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:45:17,631 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:45:17,631 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:45:17,631 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:45:17,632 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:17" (1/1) ... [2023-12-02 23:45:17,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:45:17,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a33ee76-3553-4d26-8fa4-5440c90dc652/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:45:17,664 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a33ee76-3553-4d26-8fa4-5440c90dc652/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:45:17,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a33ee76-3553-4d26-8fa4-5440c90dc652/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:45:17,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:45:17,704 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 23:45:17,705 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 23:45:17,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:45:17,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:45:17,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:45:17,705 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 23:45:17,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 23:45:17,763 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:45:17,765 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:45:17,889 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:45:17,922 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:45:17,922 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 23:45:17,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:45:17 BoogieIcfgContainer [2023-12-02 23:45:17,924 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:45:17,925 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:45:17,925 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:45:17,936 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:45:17,936 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:45:17" (1/1) ... [2023-12-02 23:45:17,945 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:45:17,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:18,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2023-12-02 23:45:18,001 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2023-12-02 23:45:18,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 23:45:18,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:18,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:45:18,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:18,148 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:45:18,155 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:18,413 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:45:18,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:18,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 32 transitions. [2023-12-02 23:45:18,587 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2023-12-02 23:45:18,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 23:45:18,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:18,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:45:18,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:18,631 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:45:18,634 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:18,710 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 23:45:18,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:18,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 38 transitions. [2023-12-02 23:45:18,919 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2023-12-02 23:45:18,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 23:45:18,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:18,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:45:18,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:18,994 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 31 conjunts are in the unsatisfiable core [2023-12-02 23:45:18,998 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:19,331 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:45:20,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:20,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 34 states and 50 transitions. [2023-12-02 23:45:20,245 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 50 transitions. [2023-12-02 23:45:20,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 23:45:20,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:20,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:45:20,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:20,292 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 35 conjunts are in the unsatisfiable core [2023-12-02 23:45:20,296 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:20,609 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 23:45:21,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:21,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 37 states and 56 transitions. [2023-12-02 23:45:21,725 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 56 transitions. [2023-12-02 23:45:21,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-02 23:45:21,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:21,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:45:21,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:21,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 39 conjunts are in the unsatisfiable core [2023-12-02 23:45:21,780 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:22,179 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 11 proven. 18 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 23:45:23,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:23,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 40 states and 61 transitions. [2023-12-02 23:45:23,681 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 61 transitions. [2023-12-02 23:45:23,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-02 23:45:23,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:23,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:45:23,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:23,734 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 43 conjunts are in the unsatisfiable core [2023-12-02 23:45:23,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:24,194 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 16 proven. 29 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-12-02 23:45:26,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:26,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 43 states and 66 transitions. [2023-12-02 23:45:26,348 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 66 transitions. [2023-12-02 23:45:26,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-02 23:45:26,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:26,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:45:26,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:26,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:45:26,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:26,693 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-12-02 23:45:31,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:31,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 31 states and 43 transitions. [2023-12-02 23:45:31,563 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2023-12-02 23:45:31,564 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 23:45:31,564 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2023-12-02 23:45:31,572 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-02 23:45:31,947 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 23:45:31,951 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 23:45:31,951 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:45:31 ImpRootNode [2023-12-02 23:45:31,951 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:45:31,952 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:45:31,952 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:45:31,952 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:45:31,953 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:45:17" (3/4) ... [2023-12-02 23:45:31,955 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 23:45:31,958 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-12-02 23:45:31,958 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-12-02 23:45:31,962 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-12-02 23:45:31,962 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-12-02 23:45:31,962 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-02 23:45:31,963 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 23:45:32,035 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a33ee76-3553-4d26-8fa4-5440c90dc652/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 23:45:32,035 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a33ee76-3553-4d26-8fa4-5440c90dc652/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-02 23:45:32,036 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:45:32,037 INFO L158 Benchmark]: Toolchain (without parser) took 14672.92ms. Allocated memory was 163.6MB in the beginning and 218.1MB in the end (delta: 54.5MB). Free memory was 120.9MB in the beginning and 68.4MB in the end (delta: 52.5MB). Peak memory consumption was 108.0MB. Max. memory is 16.1GB. [2023-12-02 23:45:32,037 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 92.3MB. Free memory is still 41.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:45:32,038 INFO L158 Benchmark]: CACSL2BoogieTranslator took 210.65ms. Allocated memory is still 163.6MB. Free memory was 120.5MB in the beginning and 110.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 23:45:32,038 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.69ms. Allocated memory is still 163.6MB. Free memory was 110.0MB in the beginning and 108.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:45:32,039 INFO L158 Benchmark]: Boogie Preprocessor took 19.00ms. Allocated memory is still 163.6MB. Free memory was 108.7MB in the beginning and 107.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:45:32,039 INFO L158 Benchmark]: RCFGBuilder took 293.50ms. Allocated memory is still 163.6MB. Free memory was 107.3MB in the beginning and 95.8MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 23:45:32,040 INFO L158 Benchmark]: CodeCheck took 14026.51ms. Allocated memory was 163.6MB in the beginning and 218.1MB in the end (delta: 54.5MB). Free memory was 95.8MB in the beginning and 73.6MB in the end (delta: 22.2MB). Peak memory consumption was 78.6MB. Max. memory is 16.1GB. [2023-12-02 23:45:32,040 INFO L158 Benchmark]: Witness Printer took 83.77ms. Allocated memory is still 218.1MB. Free memory was 73.6MB in the beginning and 68.4MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 23:45:32,043 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, 21 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.6s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 387 SdHoareTripleChecker+Valid, 3.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 168 mSDsluCounter, 377 SdHoareTripleChecker+Invalid, 3.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 210 mSDsCounter, 313 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 907 IncrementalHoareTripleChecker+Invalid, 1220 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 313 mSolverCounterUnsat, 167 mSDtfsCounter, 907 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1970 GetRequests, 1826 SyntacticMatches, 44 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3586 ImplicationChecksByTransitivity, 10.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 237 NumberOfCodeBlocks, 237 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 230 ConstructedInterpolants, 0 QuantifiedInterpolants, 1865 SizeOfPredicates, 21 NumberOfNonLiveVariables, 748 ConjunctsInSsa, 187 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 179/244 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: 17]: 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: 36]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 92.3MB. Free memory is still 41.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 210.65ms. Allocated memory is still 163.6MB. Free memory was 120.5MB in the beginning and 110.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.69ms. Allocated memory is still 163.6MB. Free memory was 110.0MB in the beginning and 108.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.00ms. Allocated memory is still 163.6MB. Free memory was 108.7MB in the beginning and 107.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 293.50ms. Allocated memory is still 163.6MB. Free memory was 107.3MB in the beginning and 95.8MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 14026.51ms. Allocated memory was 163.6MB in the beginning and 218.1MB in the end (delta: 54.5MB). Free memory was 95.8MB in the beginning and 73.6MB in the end (delta: 22.2MB). Peak memory consumption was 78.6MB. Max. memory is 16.1GB. * Witness Printer took 83.77ms. Allocated memory is still 218.1MB. Free memory was 73.6MB in the beginning and 68.4MB 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 23:45:32,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a33ee76-3553-4d26-8fa4-5440c90dc652/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