./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b899f30-83b9-4549-8f11-47e406abb381/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b899f30-83b9-4549-8f11-47e406abb381/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b899f30-83b9-4549-8f11-47e406abb381/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b899f30-83b9-4549-8f11-47e406abb381/bin/ukojak-verify-ENZ3QT5qd3/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_3b899f30-83b9-4549-8f11-47e406abb381/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b899f30-83b9-4549-8f11-47e406abb381/bin/ukojak-verify-ENZ3QT5qd3 --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 0.3.0-dev-d790fec [2024-11-25 01:57:43,304 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 01:57:43,395 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b899f30-83b9-4549-8f11-47e406abb381/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 01:57:43,400 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 01:57:43,401 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 01:57:43,433 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 01:57:43,435 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 01:57:43,435 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 01:57:43,436 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 01:57:43,436 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 01:57:43,437 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 01:57:43,437 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 01:57:43,437 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 01:57:43,437 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 01:57:43,438 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 01:57:43,438 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 01:57:43,438 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 01:57:43,438 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 01:57:43,439 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 01:57:43,439 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 01:57:43,439 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 01:57:43,439 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 01:57:43,439 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 01:57:43,439 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 01:57:43,439 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 01:57:43,440 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 01:57:43,440 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 01:57:43,440 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:57:43,440 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 01:57:43,440 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 01:57:43,440 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 01:57:43,440 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 01:57:43,440 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 01:57:43,440 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_3b899f30-83b9-4549-8f11-47e406abb381/bin/ukojak-verify-ENZ3QT5qd3 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 [2024-11-25 01:57:43,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 01:57:43,734 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 01:57:43,738 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 01:57:43,739 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 01:57:43,740 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 01:57:43,741 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b899f30-83b9-4549-8f11-47e406abb381/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound2.c [2024-11-25 01:57:46,636 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b899f30-83b9-4549-8f11-47e406abb381/bin/ukojak-verify-ENZ3QT5qd3/data/8d234fa1d/18d351d072f942a8885ea59b4169d214/FLAGf58e8a48a [2024-11-25 01:57:46,891 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 01:57:46,892 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b899f30-83b9-4549-8f11-47e406abb381/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound2.c [2024-11-25 01:57:46,899 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b899f30-83b9-4549-8f11-47e406abb381/bin/ukojak-verify-ENZ3QT5qd3/data/8d234fa1d/18d351d072f942a8885ea59b4169d214/FLAGf58e8a48a [2024-11-25 01:57:46,919 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b899f30-83b9-4549-8f11-47e406abb381/bin/ukojak-verify-ENZ3QT5qd3/data/8d234fa1d/18d351d072f942a8885ea59b4169d214 [2024-11-25 01:57:46,921 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 01:57:46,924 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 01:57:46,926 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 01:57:46,927 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 01:57:46,931 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 01:57:46,933 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:57:46" (1/1) ... [2024-11-25 01:57:46,934 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@367b5bf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:46, skipping insertion in model container [2024-11-25 01:57:46,937 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:57:46" (1/1) ... [2024-11-25 01:57:46,953 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 01:57:47,104 WARN L250 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_3b899f30-83b9-4549-8f11-47e406abb381/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound2.c[538,551] [2024-11-25 01:57:47,125 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:57:47,135 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 01:57:47,144 WARN L250 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_3b899f30-83b9-4549-8f11-47e406abb381/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound2.c[538,551] [2024-11-25 01:57:47,152 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:57:47,166 INFO L204 MainTranslator]: Completed translation [2024-11-25 01:57:47,166 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:47 WrapperNode [2024-11-25 01:57:47,167 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 01:57:47,168 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 01:57:47,168 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 01:57:47,168 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 01:57:47,178 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:47" (1/1) ... [2024-11-25 01:57:47,189 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:47" (1/1) ... [2024-11-25 01:57:47,216 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2024-11-25 01:57:47,216 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 01:57:47,217 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 01:57:47,217 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 01:57:47,217 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 01:57:47,225 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:47" (1/1) ... [2024-11-25 01:57:47,225 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:47" (1/1) ... [2024-11-25 01:57:47,227 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:47" (1/1) ... [2024-11-25 01:57:47,227 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:47" (1/1) ... [2024-11-25 01:57:47,231 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:47" (1/1) ... [2024-11-25 01:57:47,232 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:47" (1/1) ... [2024-11-25 01:57:47,235 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:47" (1/1) ... [2024-11-25 01:57:47,237 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:47" (1/1) ... [2024-11-25 01:57:47,237 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:47" (1/1) ... [2024-11-25 01:57:47,239 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 01:57:47,240 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 01:57:47,240 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 01:57:47,240 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 01:57:47,241 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:57:47" (1/1) ... [2024-11-25 01:57:47,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:57:47,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b899f30-83b9-4549-8f11-47e406abb381/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 01:57:47,280 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b899f30-83b9-4549-8f11-47e406abb381/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 01:57:47,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b899f30-83b9-4549-8f11-47e406abb381/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 01:57:47,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 01:57:47,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 01:57:47,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 01:57:47,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 01:57:47,316 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 01:57:47,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 01:57:47,391 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 01:57:47,393 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 01:57:47,599 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-25 01:57:47,599 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 01:57:47,667 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 01:57:47,668 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 01:57:47,668 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:57:47 BoogieIcfgContainer [2024-11-25 01:57:47,668 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 01:57:47,669 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 01:57:47,669 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 01:57:47,681 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 01:57:47,682 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:57:47" (1/1) ... [2024-11-25 01:57:47,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 01:57:47,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:47,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2024-11-25 01:57:47,760 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2024-11-25 01:57:47,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 01:57:47,762 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:47,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:47,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:57:47,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:57:47,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:47,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2024-11-25 01:57:47,938 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2024-11-25 01:57:47,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 01:57:47,939 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:47,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:47,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:57:48,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:57:48,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:48,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 27 states and 43 transitions. [2024-11-25 01:57:48,297 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2024-11-25 01:57:48,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 01:57:48,304 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:48,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:48,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:57:48,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:57:48,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:48,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 29 states and 46 transitions. [2024-11-25 01:57:48,841 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2024-11-25 01:57:48,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 01:57:48,842 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:48,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:48,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:57:49,022 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 01:57:49,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:49,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 52 transitions. [2024-11-25 01:57:49,561 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2024-11-25 01:57:49,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 01:57:49,561 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:49,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:49,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 01:57:49,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:57:49,620 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 01:57:49,625 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 01:57:49,872 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 01:57:51,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:51,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 38 states and 61 transitions. [2024-11-25 01:57:51,021 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2024-11-25 01:57:51,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 01:57:51,025 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:51,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:51,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 01:57:51,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:57:51,076 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 01:57:51,080 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 01:57:51,210 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 01:57:51,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:51,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 42 states and 71 transitions. [2024-11-25 01:57:51,639 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 71 transitions. [2024-11-25 01:57:51,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 01:57:51,639 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:51,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:51,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:57:51,876 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 01:57:53,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:53,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 48 states and 84 transitions. [2024-11-25 01:57:53,014 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 84 transitions. [2024-11-25 01:57:53,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-25 01:57:53,015 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:53,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:53,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:57:53,158 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 01:57:53,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:53,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 50 states and 86 transitions. [2024-11-25 01:57:53,633 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 86 transitions. [2024-11-25 01:57:53,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-25 01:57:53,634 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:53,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:53,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:57:53,950 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-25 01:57:55,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:55,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 55 states and 97 transitions. [2024-11-25 01:57:55,832 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 97 transitions. [2024-11-25 01:57:55,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-25 01:57:55,834 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:55,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:55,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:57:55,943 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-25 01:57:56,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:57:56,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 57 states and 98 transitions. [2024-11-25 01:57:56,588 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 98 transitions. [2024-11-25 01:57:56,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-25 01:57:56,589 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:57:56,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:57:56,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 01:57:56,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:57:56,657 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-25 01:57:56,659 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 01:57:57,406 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-25 01:58:01,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:01,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 66 states and 119 transitions. [2024-11-25 01:58:01,450 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 119 transitions. [2024-11-25 01:58:01,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-25 01:58:01,452 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:01,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:01,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 01:58:01,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:01,495 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 01:58:01,497 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 01:58:01,701 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-25 01:58:04,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:04,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 71 states and 131 transitions. [2024-11-25 01:58:04,136 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 131 transitions. [2024-11-25 01:58:04,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-25 01:58:04,137 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:04,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:04,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 01:58:04,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:04,179 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 01:58:04,181 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 01:58:04,276 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-25 01:58:05,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:05,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 73 states and 136 transitions. [2024-11-25 01:58:05,192 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 136 transitions. [2024-11-25 01:58:05,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-25 01:58:05,197 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:05,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:05,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:05,376 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-25 01:58:07,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:07,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 78 states and 145 transitions. [2024-11-25 01:58:07,091 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 145 transitions. [2024-11-25 01:58:07,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-25 01:58:07,092 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:07,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:07,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:07,500 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-25 01:58:08,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:08,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 80 states and 149 transitions. [2024-11-25 01:58:08,710 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 149 transitions. [2024-11-25 01:58:08,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 01:58:08,711 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:08,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:08,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:09,187 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-25 01:58:12,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:12,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 90 states and 174 transitions. [2024-11-25 01:58:12,633 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 174 transitions. [2024-11-25 01:58:12,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 01:58:12,634 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:12,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:12,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 01:58:12,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:12,702 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 01:58:12,704 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 01:58:12,812 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-25 01:58:13,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:13,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 90 states and 172 transitions. [2024-11-25 01:58:13,327 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 172 transitions. [2024-11-25 01:58:13,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 01:58:13,328 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:13,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:13,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 01:58:13,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:13,371 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 01:58:13,373 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 01:58:13,482 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-25 01:58:13,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:13,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 90 states and 171 transitions. [2024-11-25 01:58:13,940 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 171 transitions. [2024-11-25 01:58:13,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-25 01:58:13,941 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:13,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:13,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:14,126 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-25 01:58:15,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:15,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 92 states and 174 transitions. [2024-11-25 01:58:15,018 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 174 transitions. [2024-11-25 01:58:15,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-25 01:58:15,019 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:15,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:15,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:15,550 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-25 01:58:16,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:16,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 92 states and 170 transitions. [2024-11-25 01:58:16,396 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 170 transitions. [2024-11-25 01:58:16,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-25 01:58:16,397 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:16,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:16,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 01:58:16,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 01:58:16,447 INFO L256 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 01:58:16,449 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 01:58:16,549 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-25 01:58:17,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 01:58:17,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 94 states and 171 transitions. [2024-11-25 01:58:17,159 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 171 transitions. [2024-11-25 01:58:17,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-25 01:58:17,160 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 01:58:17,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 01:58:17,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 01:58:17,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 01:58:17,212 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 01:58:17,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 01:58:17,265 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 22 iterations. [2024-11-25 01:58:17,304 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 01:58:17 ImpRootNode [2024-11-25 01:58:17,304 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 01:58:17,305 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 01:58:17,305 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 01:58:17,305 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 01:58:17,306 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 01:57:47" (3/4) ... [2024-11-25 01:58:17,307 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 01:58:17,386 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 32. [2024-11-25 01:58:17,479 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b899f30-83b9-4549-8f11-47e406abb381/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 01:58:17,479 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b899f30-83b9-4549-8f11-47e406abb381/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 01:58:17,479 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 01:58:17,480 INFO L158 Benchmark]: Toolchain (without parser) took 30556.90ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 92.9MB in the beginning and 97.1MB in the end (delta: -4.2MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. [2024-11-25 01:58:17,481 INFO L158 Benchmark]: CDTParser took 1.31ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:58:17,481 INFO L158 Benchmark]: CACSL2BoogieTranslator took 241.37ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 81.4MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 01:58:17,482 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.49ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 80.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:58:17,482 INFO L158 Benchmark]: Boogie Preprocessor took 22.47ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 79.2MB in the end (delta: 930.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 01:58:17,482 INFO L158 Benchmark]: RCFGBuilder took 428.28ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 65.7MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 01:58:17,483 INFO L158 Benchmark]: CodeCheck took 29635.29ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 65.4MB in the beginning and 103.8MB in the end (delta: -38.4MB). Peak memory consumption was 65.5MB. Max. memory is 16.1GB. [2024-11-25 01:58:17,483 INFO L158 Benchmark]: Witness Printer took 174.77ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 97.1MB in the end (delta: 6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 01:58:17,485 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: 29.6s, OverallIterations: 22, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1826 SdHoareTripleChecker+Valid, 20.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 826 mSDsluCounter, 1770 SdHoareTripleChecker+Invalid, 18.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 655 mSDsCounter, 2158 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6209 IncrementalHoareTripleChecker+Invalid, 8367 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2158 mSolverCounterUnsat, 1115 mSDtfsCounter, 6209 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5981 GetRequests, 5606 SyntacticMatches, 103 SemanticMatches, 272 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36346 ImplicationChecksByTransitivity, 23.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.8s InterpolantComputationTime, 684 NumberOfCodeBlocks, 684 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 615 ConstructedInterpolants, 0 QuantifiedInterpolants, 1890 SizeOfPredicates, 10 NumberOfNonLiveVariables, 801 ConjunctsInSsa, 83 ConjunctsInUnsatCore, 21 InterpolantComputations, 13 PerfectInterpolantSequences, 854/895 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, ConComCheckerStatistics: 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, 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, 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, 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, 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, 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, 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, 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, counter=3] [L17] reach_error() VAL [\old(cond)=0, counter=3] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.31ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 241.37ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 81.4MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.49ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 80.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.47ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 79.2MB in the end (delta: 930.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 428.28ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 65.7MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 29635.29ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 65.4MB in the beginning and 103.8MB in the end (delta: -38.4MB). Peak memory consumption was 65.5MB. Max. memory is 16.1GB. * Witness Printer took 174.77ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 97.1MB in the end (delta: 6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 01:58:17,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b899f30-83b9-4549-8f11-47e406abb381/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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