./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound2.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_1cb2be96-7533-4630-b96b-7106caeebc5f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cb2be96-7533-4630-b96b-7106caeebc5f/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_1cb2be96-7533-4630-b96b-7106caeebc5f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cb2be96-7533-4630-b96b-7106caeebc5f/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cb2be96-7533-4630-b96b-7106caeebc5f/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_1cb2be96-7533-4630-b96b-7106caeebc5f/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 a74f29702f111ed73ba2cd9dfef16b5785bcb6a565ff8c65e98f4116fd8b0956 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:28:06,424 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:28:06,486 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cb2be96-7533-4630-b96b-7106caeebc5f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 22:28:06,491 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:28:06,491 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:28:06,511 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:28:06,512 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:28:06,512 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:28:06,513 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:28:06,513 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:28:06,514 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:28:06,515 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:28:06,515 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:28:06,516 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:28:06,516 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:28:06,517 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:28:06,517 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:28:06,518 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:28:06,518 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:28:06,519 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:28:06,519 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:28:06,520 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:28:06,521 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:28:06,521 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:28:06,522 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:28:06,522 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:28:06,523 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:28:06,523 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:28:06,524 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:28:06,524 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:28:06,525 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:28:06,525 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:28:06,525 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:28:06,525 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_1cb2be96-7533-4630-b96b-7106caeebc5f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cb2be96-7533-4630-b96b-7106caeebc5f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a74f29702f111ed73ba2cd9dfef16b5785bcb6a565ff8c65e98f4116fd8b0956 [2023-12-02 22:28:06,725 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:28:06,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:28:06,748 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:28:06,750 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:28:06,750 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:28:06,751 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cb2be96-7533-4630-b96b-7106caeebc5f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound2.c [2023-12-02 22:28:09,515 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:28:09,679 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:28:09,680 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cb2be96-7533-4630-b96b-7106caeebc5f/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound2.c [2023-12-02 22:28:09,687 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cb2be96-7533-4630-b96b-7106caeebc5f/bin/ukojak-verify-Qdu7aM0XO9/data/60f80b3b7/b6b58acc0d834013be70306c93f32f71/FLAG8f61b1250 [2023-12-02 22:28:09,700 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cb2be96-7533-4630-b96b-7106caeebc5f/bin/ukojak-verify-Qdu7aM0XO9/data/60f80b3b7/b6b58acc0d834013be70306c93f32f71 [2023-12-02 22:28:09,703 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:28:09,704 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:28:09,706 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:28:09,706 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:28:09,710 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:28:09,710 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:28:09" (1/1) ... [2023-12-02 22:28:09,712 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34b85456 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:28:09, skipping insertion in model container [2023-12-02 22:28:09,712 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:28:09" (1/1) ... [2023-12-02 22:28:09,731 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:28:09,852 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_1cb2be96-7533-4630-b96b-7106caeebc5f/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound2.c[538,551] [2023-12-02 22:28:09,870 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:28:09,882 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:28:09,892 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_1cb2be96-7533-4630-b96b-7106caeebc5f/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound2.c[538,551] [2023-12-02 22:28:09,900 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:28:09,913 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:28:09,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:28:09 WrapperNode [2023-12-02 22:28:09,913 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:28:09,914 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:28:09,914 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:28:09,914 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:28:09,921 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:28:09" (1/1) ... [2023-12-02 22:28:09,926 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:28:09" (1/1) ... [2023-12-02 22:28:09,949 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 66 [2023-12-02 22:28:09,950 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:28:09,951 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:28:09,951 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:28:09,951 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:28:09,958 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:28:09" (1/1) ... [2023-12-02 22:28:09,959 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:28:09" (1/1) ... [2023-12-02 22:28:09,960 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:28:09" (1/1) ... [2023-12-02 22:28:09,961 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:28:09" (1/1) ... [2023-12-02 22:28:09,965 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:28:09" (1/1) ... [2023-12-02 22:28:09,968 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:28:09" (1/1) ... [2023-12-02 22:28:09,969 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:28:09" (1/1) ... [2023-12-02 22:28:09,970 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:28:09" (1/1) ... [2023-12-02 22:28:09,973 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:28:09,974 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:28:09,974 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:28:09,974 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:28:09,975 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:28:09" (1/1) ... [2023-12-02 22:28:09,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:28:09,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cb2be96-7533-4630-b96b-7106caeebc5f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:28:10,002 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cb2be96-7533-4630-b96b-7106caeebc5f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:28:10,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cb2be96-7533-4630-b96b-7106caeebc5f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:28:10,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:28:10,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:28:10,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:28:10,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:28:10,038 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 22:28:10,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 22:28:10,097 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:28:10,099 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:28:10,255 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:28:10,306 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:28:10,306 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-02 22:28:10,308 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:28:10 BoogieIcfgContainer [2023-12-02 22:28:10,308 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:28:10,309 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:28:10,309 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:28:10,316 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:28:10,317 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:28:10" (1/1) ... [2023-12-02 22:28:10,323 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:28:10,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:10,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2023-12-02 22:28:10,378 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2023-12-02 22:28:10,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:28:10,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:10,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:28:10,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:10,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:10,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 22:28:10,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:10,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:28:10,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:10,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2023-12-02 22:28:10,543 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2023-12-02 22:28:10,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 22:28:10,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:10,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:28:10,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:10,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:28:10,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:10,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 27 states and 43 transitions. [2023-12-02 22:28:10,762 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-02 22:28:10,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 22:28:10,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:10,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:28:10,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:10,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:10,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:28:10,806 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:10,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:28:11,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:11,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 29 states and 46 transitions. [2023-12-02 22:28:11,036 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2023-12-02 22:28:11,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 22:28:11,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:11,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:28:11,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:11,160 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:28:11,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:11,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 52 transitions. [2023-12-02 22:28:11,589 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2023-12-02 22:28:11,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 22:28:11,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:11,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:28:11,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:11,624 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 22:28:11,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:11,863 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 22:28:12,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:12,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 38 states and 61 transitions. [2023-12-02 22:28:12,974 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2023-12-02 22:28:12,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 22:28:12,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:12,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:28:13,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:13,006 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:28:13,008 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:13,128 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 22:28:14,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:14,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 48 states and 94 transitions. [2023-12-02 22:28:14,506 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 94 transitions. [2023-12-02 22:28:14,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 22:28:14,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:14,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:28:14,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:14,534 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 22:28:14,536 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:14,705 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 22:28:16,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:16,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 55 states and 113 transitions. [2023-12-02 22:28:16,420 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 113 transitions. [2023-12-02 22:28:16,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 22:28:16,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:16,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:28:16,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:16,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 22:28:16,446 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:16,523 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 22:28:16,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:16,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 57 states and 114 transitions. [2023-12-02 22:28:16,938 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 114 transitions. [2023-12-02 22:28:16,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 22:28:16,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:16,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:28:16,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:16,966 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 22:28:16,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:17,070 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-02 22:28:18,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:18,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 61 states and 124 transitions. [2023-12-02 22:28:18,103 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 124 transitions. [2023-12-02 22:28:18,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 22:28:18,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:18,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:28:18,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:18,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 22:28:18,131 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:18,193 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-02 22:28:18,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:18,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 63 states and 126 transitions. [2023-12-02 22:28:18,724 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 126 transitions. [2023-12-02 22:28:18,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-02 22:28:18,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:18,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:28:18,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:18,755 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 22:28:18,757 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:19,168 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 9 proven. 18 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-02 22:28:21,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:21,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 69 states and 145 transitions. [2023-12-02 22:28:21,599 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 145 transitions. [2023-12-02 22:28:21,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-02 22:28:21,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:21,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:28:21,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:21,626 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 22:28:21,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:21,734 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 9 proven. 18 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-02 22:28:22,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:22,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 71 states and 146 transitions. [2023-12-02 22:28:22,487 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 146 transitions. [2023-12-02 22:28:22,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 22:28:22,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:22,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:28:22,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:22,529 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 22:28:22,531 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:22,844 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-12-02 22:28:25,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:25,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 77 states and 169 transitions. [2023-12-02 22:28:25,282 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 169 transitions. [2023-12-02 22:28:25,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-02 22:28:25,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:25,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:28:25,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:25,311 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:28:25,312 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:25,402 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-12-02 22:28:27,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:27,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 82 states and 182 transitions. [2023-12-02 22:28:27,223 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 182 transitions. [2023-12-02 22:28:27,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-02 22:28:27,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:27,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:28:27,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:27,249 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 22:28:27,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:27,428 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-12-02 22:28:28,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:28,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 84 states and 189 transitions. [2023-12-02 22:28:28,402 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 189 transitions. [2023-12-02 22:28:28,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:28:28,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:28,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:28:28,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:28,427 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 22:28:28,429 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:28,609 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-02 22:28:32,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:32,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 95 states and 249 transitions. [2023-12-02 22:28:32,075 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 249 transitions. [2023-12-02 22:28:32,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:28:32,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:32,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:28:32,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:32,103 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 22:28:32,104 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:32,386 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 17 proven. 16 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-12-02 22:28:33,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:33,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 98 states and 259 transitions. [2023-12-02 22:28:33,962 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 259 transitions. [2023-12-02 22:28:33,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:28:33,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:33,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:28:33,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:33,989 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 22:28:33,991 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:34,109 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-02 22:28:34,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:34,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 64 states and 157 transitions. [2023-12-02 22:28:34,592 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 157 transitions. [2023-12-02 22:28:34,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-02 22:28:34,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:34,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:28:34,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:34,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 22:28:34,626 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:34,745 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2023-12-02 22:28:36,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:36,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 67 states and 171 transitions. [2023-12-02 22:28:36,571 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 171 transitions. [2023-12-02 22:28:36,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-02 22:28:36,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:36,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:28:36,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:28:36,597 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 22:28:36,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:28:36,960 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2023-12-02 22:28:37,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:28:37,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 47 states and 87 transitions. [2023-12-02 22:28:37,673 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 87 transitions. [2023-12-02 22:28:37,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-02 22:28:37,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:28:37,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:28:37,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:28:37,696 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:28:37,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:28:37,726 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 21 iterations. [2023-12-02 22:28:37,750 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-12-02 22:28:37,752 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-12-02 22:28:37,753 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post7 could not be translated [2023-12-02 22:28:37,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:28:37 ImpRootNode [2023-12-02 22:28:37,759 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:28:37,759 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:28:37,759 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:28:37,760 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:28:37,760 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:28:10" (3/4) ... [2023-12-02 22:28:37,761 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-12-02 22:28:37,766 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-12-02 22:28:37,767 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-12-02 22:28:37,768 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post7 could not be translated [2023-12-02 22:28:37,830 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cb2be96-7533-4630-b96b-7106caeebc5f/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 22:28:37,831 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:28:37,832 INFO L158 Benchmark]: Toolchain (without parser) took 28126.91ms. Allocated memory was 167.8MB in the beginning and 216.0MB in the end (delta: 48.2MB). Free memory was 120.9MB in the beginning and 170.7MB in the end (delta: -49.7MB). Peak memory consumption was 118.9MB. Max. memory is 16.1GB. [2023-12-02 22:28:37,832 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 109.1MB. Free memory is still 59.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:28:37,832 INFO L158 Benchmark]: CACSL2BoogieTranslator took 207.58ms. Allocated memory is still 167.8MB. Free memory was 120.7MB in the beginning and 109.8MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 22:28:37,833 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.01ms. Allocated memory is still 167.8MB. Free memory was 109.4MB in the beginning and 108.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:28:37,833 INFO L158 Benchmark]: Boogie Preprocessor took 22.11ms. Allocated memory is still 167.8MB. Free memory was 107.7MB in the beginning and 106.9MB in the end (delta: 881.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:28:37,834 INFO L158 Benchmark]: RCFGBuilder took 334.52ms. Allocated memory is still 167.8MB. Free memory was 106.9MB in the beginning and 92.6MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 22:28:37,834 INFO L158 Benchmark]: CodeCheck took 27450.11ms. Allocated memory was 167.8MB in the beginning and 216.0MB in the end (delta: 48.2MB). Free memory was 92.2MB in the beginning and 57.0MB in the end (delta: 35.2MB). Peak memory consumption was 84.7MB. Max. memory is 16.1GB. [2023-12-02 22:28:37,835 INFO L158 Benchmark]: Witness Printer took 71.56ms. Allocated memory is still 216.0MB. Free memory was 57.0MB in the beginning and 170.7MB in the end (delta: -113.7MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2023-12-02 22:28:37,837 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, 22 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 27.4s, OverallIterations: 21, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1847 SdHoareTripleChecker+Valid, 16.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 931 mSDsluCounter, 1305 SdHoareTripleChecker+Invalid, 14.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 469 mSDsCounter, 2393 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8189 IncrementalHoareTripleChecker+Invalid, 10582 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2393 mSolverCounterUnsat, 836 mSDtfsCounter, 8189 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6197 GetRequests, 5731 SyntacticMatches, 162 SemanticMatches, 304 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46715 ImplicationChecksByTransitivity, 22.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 641 NumberOfCodeBlocks, 641 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 573 ConstructedInterpolants, 0 QuantifiedInterpolants, 2146 SizeOfPredicates, 35 NumberOfNonLiveVariables, 1699 ConjunctsInSsa, 195 ConjunctsInUnsatCore, 20 InterpolantComputations, 11 PerfectInterpolantSequences, 719/817 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 - CounterExampleResult [Line: 17]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L22] int counter = 0; [L24] unsigned int A, B; [L25] long long r, d, p, q; [L26] A = __VERIFIER_nondet_uint() [L27] B = __VERIFIER_nondet_uint() [L28] CALL assume_abort_if_not(B >= 1) [L12] COND FALSE !(!cond) [L28] RET assume_abort_if_not(B >= 1) [L30] r = A [L31] d = B [L32] p = 1 [L33] q = 0 VAL [A=1, B=1, counter=0, d=1, p=1, q=0, r=1] [L35] EXPR counter++ VAL [A=1, B=1, counter=1, d=1, p=1, q=0, r=1] [L35] COND TRUE counter++<2 [L36] CALL __VERIFIER_assert(q == 0) VAL [\old(cond)=1, counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=1] [L36] RET __VERIFIER_assert(q == 0) VAL [A=1, B=1, counter=1, d=1, p=1, q=0, r=1] [L37] CALL __VERIFIER_assert(r == A) VAL [\old(cond)=1, counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=1] [L37] RET __VERIFIER_assert(r == A) VAL [A=1, B=1, counter=1, d=1, p=1, q=0, r=1] [L38] CALL __VERIFIER_assert(d == B * p) VAL [\old(cond)=1, counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=1] [L38] RET __VERIFIER_assert(d == B * p) VAL [A=1, B=1, counter=1, d=1, p=1, q=0, r=1] [L39] COND FALSE !(!(r >= d)) [L41] d = 2 * d [L42] p = 2 * p VAL [A=1, B=1, counter=1, d=2, p=2, q=0, r=1] [L35] EXPR counter++ VAL [A=1, B=1, counter=2, d=2, p=2, q=0, r=1] [L35] COND TRUE counter++<2 [L36] CALL __VERIFIER_assert(q == 0) VAL [\old(cond)=1, counter=2] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=2] [L36] RET __VERIFIER_assert(q == 0) VAL [A=1, B=1, counter=2, d=2, p=2, q=0, r=1] [L37] CALL __VERIFIER_assert(r == A) VAL [\old(cond)=1, counter=2] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=2] [L37] RET __VERIFIER_assert(r == A) VAL [A=1, B=1, counter=2, d=2, p=2, q=0, r=1] [L38] CALL __VERIFIER_assert(d == B * p) VAL [\old(cond)=1, counter=2] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=2] [L38] RET __VERIFIER_assert(d == B * p) VAL [A=1, B=1, counter=2, d=2, p=2, q=0, r=1] [L39] COND TRUE !(r >= d) VAL [A=1, B=1, counter=2, d=2, p=2, q=0, r=1] [L45] EXPR counter++ VAL [A=1, B=1, counter=3, d=2, p=2, q=0, r=1] [L45] COND FALSE !(counter++<2) [L59] CALL __VERIFIER_assert(A == d*q + r) VAL [\old(cond)=1, counter=3] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1, counter=3] [L59] RET __VERIFIER_assert(A == d*q + r) VAL [A=1, B=1, counter=3, d=2, p=2, q=0, r=1] [L60] CALL __VERIFIER_assert(B == d) VAL [\old(cond)=0, counter=3] [L15] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, counter=3] [L17] reach_error() VAL [\old(cond)=0, cond=0, counter=3] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 109.1MB. Free memory is still 59.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 207.58ms. Allocated memory is still 167.8MB. Free memory was 120.7MB in the beginning and 109.8MB in the end (delta: 10.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.01ms. Allocated memory is still 167.8MB. Free memory was 109.4MB in the beginning and 108.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.11ms. Allocated memory is still 167.8MB. Free memory was 107.7MB in the beginning and 106.9MB in the end (delta: 881.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 334.52ms. Allocated memory is still 167.8MB. Free memory was 106.9MB in the beginning and 92.6MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 27450.11ms. Allocated memory was 167.8MB in the beginning and 216.0MB in the end (delta: 48.2MB). Free memory was 92.2MB in the beginning and 57.0MB in the end (delta: 35.2MB). Peak memory consumption was 84.7MB. Max. memory is 16.1GB. * Witness Printer took 71.56ms. Allocated memory is still 216.0MB. Free memory was 57.0MB in the beginning and 170.7MB in the end (delta: -113.7MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post7 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post7 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate proved your program to be incorrect! [2023-12-02 22:28:37,935 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1cb2be96-7533-4630-b96b-7106caeebc5f/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE