./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-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_8435ff2a-7b27-4229-a598-b2de302c6546/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8435ff2a-7b27-4229-a598-b2de302c6546/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8435ff2a-7b27-4229-a598-b2de302c6546/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8435ff2a-7b27-4229-a598-b2de302c6546/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8435ff2a-7b27-4229-a598-b2de302c6546/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8435ff2a-7b27-4229-a598-b2de302c6546/bin/ukojak-verify-afCqCEvfdi --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 623f8e570c67201db9fc7be447d74d083955ca752401303f9fce588b7571c3af --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:10:04,262 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:10:04,373 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8435ff2a-7b27-4229-a598-b2de302c6546/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:10:04,378 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:10:04,379 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:10:04,403 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:10:04,404 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:10:04,405 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:10:04,406 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:10:04,407 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:10:04,408 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:10:04,408 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:10:04,409 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:10:04,410 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:10:04,410 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:10:04,411 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:10:04,412 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:10:04,412 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:10:04,413 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:10:04,413 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:10:04,414 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:10:04,415 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:10:04,416 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:10:04,416 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:10:04,417 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:10:04,418 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:10:04,418 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:10:04,419 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:10:04,420 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:10:04,420 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:10:04,421 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:10:04,421 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:10:04,422 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:10:04,423 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_8435ff2a-7b27-4229-a598-b2de302c6546/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8435ff2a-7b27-4229-a598-b2de302c6546/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 623f8e570c67201db9fc7be447d74d083955ca752401303f9fce588b7571c3af [2023-11-24 22:10:04,707 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:10:04,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:10:04,749 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:10:04,750 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:10:04,752 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:10:04,754 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8435ff2a-7b27-4229-a598-b2de302c6546/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound5.c [2023-11-24 22:10:07,884 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:10:08,095 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:10:08,096 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8435ff2a-7b27-4229-a598-b2de302c6546/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound5.c [2023-11-24 22:10:08,109 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8435ff2a-7b27-4229-a598-b2de302c6546/bin/ukojak-verify-afCqCEvfdi/data/888711fa4/fbce978f4cb243678936fe85a52d341f/FLAG11c89cca2 [2023-11-24 22:10:08,129 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8435ff2a-7b27-4229-a598-b2de302c6546/bin/ukojak-verify-afCqCEvfdi/data/888711fa4/fbce978f4cb243678936fe85a52d341f [2023-11-24 22:10:08,135 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:10:08,138 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:10:08,140 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:10:08,141 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:10:08,146 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:10:08,147 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:10:08" (1/1) ... [2023-11-24 22:10:08,149 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a083860 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:08, skipping insertion in model container [2023-11-24 22:10:08,149 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:10:08" (1/1) ... [2023-11-24 22:10:08,177 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:10:08,335 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_8435ff2a-7b27-4229-a598-b2de302c6546/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound5.c[520,533] [2023-11-24 22:10:08,352 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:10:08,364 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:10:08,374 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_8435ff2a-7b27-4229-a598-b2de302c6546/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound5.c[520,533] [2023-11-24 22:10:08,382 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:10:08,394 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:10:08,394 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:08 WrapperNode [2023-11-24 22:10:08,395 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:10:08,396 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:10:08,396 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:10:08,396 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:10:08,403 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:08" (1/1) ... [2023-11-24 22:10:08,409 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:08" (1/1) ... [2023-11-24 22:10:08,425 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2023-11-24 22:10:08,426 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:10:08,427 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:10:08,427 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:10:08,427 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:10:08,436 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:08" (1/1) ... [2023-11-24 22:10:08,437 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:08" (1/1) ... [2023-11-24 22:10:08,438 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:08" (1/1) ... [2023-11-24 22:10:08,438 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:08" (1/1) ... [2023-11-24 22:10:08,441 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:08" (1/1) ... [2023-11-24 22:10:08,445 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:08" (1/1) ... [2023-11-24 22:10:08,446 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:08" (1/1) ... [2023-11-24 22:10:08,447 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:08" (1/1) ... [2023-11-24 22:10:08,449 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:10:08,450 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:10:08,450 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:10:08,450 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:10:08,451 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:10:08" (1/1) ... [2023-11-24 22:10:08,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:10:08,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8435ff2a-7b27-4229-a598-b2de302c6546/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:10:08,483 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8435ff2a-7b27-4229-a598-b2de302c6546/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:10:08,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8435ff2a-7b27-4229-a598-b2de302c6546/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:10:08,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:10:08,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:10:08,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:10:08,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:10:08,516 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:10:08,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:10:08,586 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:10:08,587 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:10:08,754 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:10:08,820 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:10:08,821 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:10:08,823 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:10:08 BoogieIcfgContainer [2023-11-24 22:10:08,823 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:10:08,824 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:10:08,825 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:10:08,836 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:10:08,837 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:10:08" (1/1) ... [2023-11-24 22:10:08,845 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:10:08,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:08,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2023-11-24 22:10:08,899 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2023-11-24 22:10:08,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:10:08,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:08,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:09,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:09,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:10:09,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:09,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 21 states and 33 transitions. [2023-11-24 22:10:09,494 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 33 transitions. [2023-11-24 22:10:09,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:10:09,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:09,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:09,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:09,538 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-24 22:10:09,544 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:10:09,693 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:10:09,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:09,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 24 states and 39 transitions. [2023-11-24 22:10:09,993 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 39 transitions. [2023-11-24 22:10:09,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:10:09,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:09,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:10,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:10,031 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-24 22:10:10,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:10:10,119 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:10:10,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:10,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 25 states and 42 transitions. [2023-11-24 22:10:10,254 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 42 transitions. [2023-11-24 22:10:10,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:10:10,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:10,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:10,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:10,285 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:10:10,287 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:10:10,340 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:10:10,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:10,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 28 states and 47 transitions. [2023-11-24 22:10:10,518 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 47 transitions. [2023-11-24 22:10:10,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:10:10,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:10,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:10,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:10,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-24 22:10:10,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:10:10,625 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:10:10,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:10,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 31 states and 52 transitions. [2023-11-24 22:10:10,852 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 52 transitions. [2023-11-24 22:10:10,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 22:10:10,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:10,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:10,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:10,881 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:10:10,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:10:10,947 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 22:10:11,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:11,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 33 states and 55 transitions. [2023-11-24 22:10:11,205 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2023-11-24 22:10:11,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 22:10:11,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:11,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:11,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:11,233 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 22:10:11,235 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:10:11,339 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 22:10:11,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:11,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 34 states and 57 transitions. [2023-11-24 22:10:11,632 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 57 transitions. [2023-11-24 22:10:11,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 22:10:11,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:11,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:11,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:11,663 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:10:11,665 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:10:11,816 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-24 22:10:12,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:12,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 34 states and 56 transitions. [2023-11-24 22:10:12,551 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2023-11-24 22:10:12,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 22:10:12,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:12,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:12,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:12,591 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-24 22:10:12,593 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:10:12,702 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 9 proven. 17 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-24 22:10:12,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:12,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 35 states and 60 transitions. [2023-11-24 22:10:12,968 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 60 transitions. [2023-11-24 22:10:12,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:10:12,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:12,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:13,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:13,001 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:10:13,004 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:10:13,028 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-11-24 22:10:13,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:13,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 36 states and 61 transitions. [2023-11-24 22:10:13,148 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 61 transitions. [2023-11-24 22:10:13,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-24 22:10:13,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:13,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:13,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:13,184 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-24 22:10:13,186 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:10:13,291 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-24 22:10:13,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:13,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 39 states and 67 transitions. [2023-11-24 22:10:13,604 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 67 transitions. [2023-11-24 22:10:13,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-24 22:10:13,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:13,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:13,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:13,654 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:10:13,659 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:10:13,689 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-11-24 22:10:13,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:13,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 39 states and 66 transitions. [2023-11-24 22:10:13,761 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 66 transitions. [2023-11-24 22:10:13,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-24 22:10:13,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:13,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:13,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:13,811 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-24 22:10:13,813 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:10:13,953 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 13 proven. 30 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-24 22:10:14,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:14,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 40 states and 68 transitions. [2023-11-24 22:10:14,335 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 68 transitions. [2023-11-24 22:10:14,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-24 22:10:14,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:14,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:14,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:14,377 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-24 22:10:14,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:10:14,529 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 15 proven. 35 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-11-24 22:10:14,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:14,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 41 states and 72 transitions. [2023-11-24 22:10:14,847 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 72 transitions. [2023-11-24 22:10:14,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-24 22:10:14,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:14,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:14,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:14,884 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:10:14,886 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:10:14,910 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 41 proven. 7 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2023-11-24 22:10:15,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:15,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 42 states and 73 transitions. [2023-11-24 22:10:15,048 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 73 transitions. [2023-11-24 22:10:15,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-24 22:10:15,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:15,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:15,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:15,084 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 22:10:15,086 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:10:15,445 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 29 proven. 10 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-24 22:10:16,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:16,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 31 states and 44 transitions. [2023-11-24 22:10:16,650 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 44 transitions. [2023-11-24 22:10:16,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-24 22:10:16,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:10:16,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:10:16,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:10:16,707 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:10:16,710 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:10:16,738 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 44 proven. 7 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2023-11-24 22:10:17,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:10:17,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 25 states and 37 transitions. [2023-11-24 22:10:17,182 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2023-11-24 22:10:17,182 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 22:10:17,183 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 18 iterations. [2023-11-24 22:10:17,194 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-24 22:10:17,661 INFO L560 CodeCheckObserver]: Invariant with dag size 23 [2023-11-24 22:10:17,669 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:10:17,670 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:10:17 ImpRootNode [2023-11-24 22:10:17,670 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:10:17,671 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:10:17,671 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:10:17,671 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:10:17,672 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:10:08" (3/4) ... [2023-11-24 22:10:17,674 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 22:10:17,678 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-24 22:10:17,682 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-24 22:10:17,683 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-24 22:10:17,683 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-24 22:10:17,683 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 22:10:17,785 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8435ff2a-7b27-4229-a598-b2de302c6546/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 22:10:17,786 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8435ff2a-7b27-4229-a598-b2de302c6546/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 22:10:17,786 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:10:17,787 INFO L158 Benchmark]: Toolchain (without parser) took 9648.97ms. Allocated memory was 127.9MB in the beginning and 186.6MB in the end (delta: 58.7MB). Free memory was 82.7MB in the beginning and 89.7MB in the end (delta: -7.0MB). Peak memory consumption was 53.6MB. Max. memory is 16.1GB. [2023-11-24 22:10:17,787 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 127.9MB. Free memory is still 71.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:10:17,788 INFO L158 Benchmark]: CACSL2BoogieTranslator took 254.87ms. Allocated memory is still 127.9MB. Free memory was 82.5MB in the beginning and 71.7MB in the end (delta: 10.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 22:10:17,789 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.28ms. Allocated memory is still 127.9MB. Free memory was 71.7MB in the beginning and 70.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:10:17,789 INFO L158 Benchmark]: Boogie Preprocessor took 22.29ms. Allocated memory is still 127.9MB. Free memory was 70.2MB in the beginning and 69.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:10:17,790 INFO L158 Benchmark]: RCFGBuilder took 373.66ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 69.1MB in the beginning and 125.1MB in the end (delta: -56.0MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2023-11-24 22:10:17,791 INFO L158 Benchmark]: CodeCheck took 8845.91ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 125.1MB in the beginning and 93.9MB in the end (delta: 31.1MB). Peak memory consumption was 61.2MB. Max. memory is 16.1GB. [2023-11-24 22:10:17,791 INFO L158 Benchmark]: Witness Printer took 115.36ms. Allocated memory is still 186.6MB. Free memory was 93.9MB in the beginning and 89.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:10:17,794 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 2 procedures, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.3s, OverallIterations: 18, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 596 SdHoareTripleChecker+Valid, 7.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 264 mSDsluCounter, 563 SdHoareTripleChecker+Invalid, 6.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 352 mSDsCounter, 1321 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3245 IncrementalHoareTripleChecker+Invalid, 4566 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1321 mSolverCounterUnsat, 211 mSDtfsCounter, 3245 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4484 GetRequests, 4278 SyntacticMatches, 94 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5436 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 590 NumberOfCodeBlocks, 590 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 573 ConstructedInterpolants, 0 QuantifiedInterpolants, 1643 SizeOfPredicates, 35 NumberOfNonLiveVariables, 1592 ConjunctsInSsa, 249 ConjunctsInUnsatCore, 17 InterpolantComputations, 1 PerfectInterpolantSequences, 1135/1305 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: 14]: 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: 30]: Loop Invariant Derived loop invariant: (((!(((3 == t) && (a == 1))) && !(((5 == t) && (2 == a)))) || ((a == 1) && (s == 4))) || ((9 == s) && (2 == a))) - 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 0.34ms. Allocated memory is still 127.9MB. Free memory is still 71.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 254.87ms. Allocated memory is still 127.9MB. Free memory was 82.5MB in the beginning and 71.7MB in the end (delta: 10.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.28ms. Allocated memory is still 127.9MB. Free memory was 71.7MB in the beginning and 70.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.29ms. Allocated memory is still 127.9MB. Free memory was 70.2MB in the beginning and 69.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 373.66ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 69.1MB in the beginning and 125.1MB in the end (delta: -56.0MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. * CodeCheck took 8845.91ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 125.1MB in the beginning and 93.9MB in the end (delta: 31.1MB). Peak memory consumption was 61.2MB. Max. memory is 16.1GB. * Witness Printer took 115.36ms. Allocated memory is still 186.6MB. Free memory was 93.9MB in the beginning and 89.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-24 22:10:17,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8435ff2a-7b27-4229-a598-b2de302c6546/bin/ukojak-verify-afCqCEvfdi/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