./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound5.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_701e032e-c8a0-41e0-94a7-f3be8e85536f/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_701e032e-c8a0-41e0-94a7-f3be8e85536f/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_701e032e-c8a0-41e0-94a7-f3be8e85536f/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_701e032e-c8a0-41e0-94a7-f3be8e85536f/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_701e032e-c8a0-41e0-94a7-f3be8e85536f/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_701e032e-c8a0-41e0-94a7-f3be8e85536f/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 aad83614f5b3454ec30b386336992d9fee88422d967149e7e88efe6256830f00 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:27:04,471 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:27:04,557 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_701e032e-c8a0-41e0-94a7-f3be8e85536f/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 02:27:04,562 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:27:04,562 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:27:04,586 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:27:04,587 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:27:04,587 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:27:04,587 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:27:04,587 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:27:04,588 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:27:04,588 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:27:04,588 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:27:04,588 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:27:04,588 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:27:04,588 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:27:04,589 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:27:04,589 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:27:04,589 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:27:04,589 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:27:04,589 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:27:04,589 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:27:04,592 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:27:04,592 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:27:04,592 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:27:04,592 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:27:04,592 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:27:04,592 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:27:04,593 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:27:04,593 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:27:04,593 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:27:04,593 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:27:04,593 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:27:04,593 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_701e032e-c8a0-41e0-94a7-f3be8e85536f/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 -> aad83614f5b3454ec30b386336992d9fee88422d967149e7e88efe6256830f00 [2024-11-25 02:27:04,916 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:27:04,929 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:27:04,935 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:27:04,936 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:27:04,938 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:27:04,940 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_701e032e-c8a0-41e0-94a7-f3be8e85536f/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound5.c [2024-11-25 02:27:07,917 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_701e032e-c8a0-41e0-94a7-f3be8e85536f/bin/ukojak-verify-ENZ3QT5qd3/data/5d5adafd1/358f84994c3846498c1c7c2f02982f0e/FLAG2eda6eaf3 [2024-11-25 02:27:08,175 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:27:08,176 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_701e032e-c8a0-41e0-94a7-f3be8e85536f/sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound5.c [2024-11-25 02:27:08,203 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_701e032e-c8a0-41e0-94a7-f3be8e85536f/bin/ukojak-verify-ENZ3QT5qd3/data/5d5adafd1/358f84994c3846498c1c7c2f02982f0e/FLAG2eda6eaf3 [2024-11-25 02:27:08,254 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_701e032e-c8a0-41e0-94a7-f3be8e85536f/bin/ukojak-verify-ENZ3QT5qd3/data/5d5adafd1/358f84994c3846498c1c7c2f02982f0e [2024-11-25 02:27:08,261 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:27:08,263 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:27:08,268 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:27:08,268 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:27:08,275 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:27:08,276 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:27:08" (1/1) ... [2024-11-25 02:27:08,279 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@477a22bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:08, skipping insertion in model container [2024-11-25 02:27:08,279 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:27:08" (1/1) ... [2024-11-25 02:27:08,294 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:27:08,430 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_701e032e-c8a0-41e0-94a7-f3be8e85536f/sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound5.c[573,586] [2024-11-25 02:27:08,450 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:27:08,461 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:27:08,473 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_701e032e-c8a0-41e0-94a7-f3be8e85536f/sv-benchmarks/c/nla-digbench-scaling/mannadiv_unwindbound5.c[573,586] [2024-11-25 02:27:08,478 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:27:08,493 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:27:08,494 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:08 WrapperNode [2024-11-25 02:27:08,494 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:27:08,495 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:27:08,495 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:27:08,496 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:27:08,503 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:08" (1/1) ... [2024-11-25 02:27:08,510 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:08" (1/1) ... [2024-11-25 02:27:08,526 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 47 [2024-11-25 02:27:08,526 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:27:08,527 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:27:08,527 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:27:08,527 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:27:08,535 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:08" (1/1) ... [2024-11-25 02:27:08,535 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:08" (1/1) ... [2024-11-25 02:27:08,536 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:08" (1/1) ... [2024-11-25 02:27:08,537 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:08" (1/1) ... [2024-11-25 02:27:08,540 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:08" (1/1) ... [2024-11-25 02:27:08,541 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:08" (1/1) ... [2024-11-25 02:27:08,544 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:08" (1/1) ... [2024-11-25 02:27:08,545 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:08" (1/1) ... [2024-11-25 02:27:08,546 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:08" (1/1) ... [2024-11-25 02:27:08,547 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:27:08,548 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:27:08,548 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:27:08,548 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:27:08,549 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:08" (1/1) ... [2024-11-25 02:27:08,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:27:08,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_701e032e-c8a0-41e0-94a7-f3be8e85536f/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:27:08,588 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_701e032e-c8a0-41e0-94a7-f3be8e85536f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:27:08,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_701e032e-c8a0-41e0-94a7-f3be8e85536f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:27:08,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:27:08,618 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 02:27:08,618 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 02:27:08,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:27:08,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:27:08,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:27:08,620 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 02:27:08,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 02:27:08,685 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:27:08,687 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:27:08,818 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-25 02:27:08,818 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:27:08,856 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:27:08,856 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 02:27:08,857 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:27:08 BoogieIcfgContainer [2024-11-25 02:27:08,857 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:27:08,858 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:27:08,858 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:27:08,868 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:27:08,868 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:27:08" (1/1) ... [2024-11-25 02:27:08,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:27:08,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:08,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2024-11-25 02:27:08,932 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2024-11-25 02:27:08,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 02:27:08,938 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:08,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:09,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:09,089 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 02:27:09,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:09,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2024-11-25 02:27:09,115 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2024-11-25 02:27:09,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 02:27:09,116 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:09,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:09,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:27:09,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:09,191 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 02:27:09,198 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:27:09,369 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 02:27:09,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:09,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2024-11-25 02:27:09,474 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2024-11-25 02:27:09,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 02:27:09,475 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:09,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:09,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:09,647 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 02:27:09,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:09,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 35 transitions. [2024-11-25 02:27:09,979 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2024-11-25 02:27:09,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-25 02:27:09,980 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:09,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:09,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:10,549 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 02:27:11,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:11,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 36 transitions. [2024-11-25 02:27:11,089 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2024-11-25 02:27:11,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-25 02:27:11,090 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:11,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:11,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:27:11,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:11,159 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:27:11,161 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:27:11,523 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 02:27:12,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:12,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 31 states and 45 transitions. [2024-11-25 02:27:12,059 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 45 transitions. [2024-11-25 02:27:12,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-25 02:27:12,060 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:12,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:12,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:12,333 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 02:27:13,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:13,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 53 transitions. [2024-11-25 02:27:13,494 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 53 transitions. [2024-11-25 02:27:13,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-25 02:27:13,494 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:13,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:13,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:13,719 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 02:27:15,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:15,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 39 states and 65 transitions. [2024-11-25 02:27:15,379 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 65 transitions. [2024-11-25 02:27:15,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-25 02:27:15,380 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:15,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:15,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:15,507 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 02:27:15,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:15,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 41 states and 68 transitions. [2024-11-25 02:27:15,983 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 68 transitions. [2024-11-25 02:27:15,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-25 02:27:15,984 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:15,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:16,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:27:16,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:16,074 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 02:27:16,077 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:27:16,857 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-25 02:27:17,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:17,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 45 states and 79 transitions. [2024-11-25 02:27:17,840 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 79 transitions. [2024-11-25 02:27:17,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-25 02:27:17,842 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:17,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:17,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:17,964 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 02:27:18,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:18,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 47 states and 81 transitions. [2024-11-25 02:27:18,858 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 81 transitions. [2024-11-25 02:27:18,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-25 02:27:18,859 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:18,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:18,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:19,186 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 02:27:21,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:21,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 51 states and 95 transitions. [2024-11-25 02:27:21,803 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 95 transitions. [2024-11-25 02:27:21,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-25 02:27:21,805 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:21,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:21,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:27:21,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:21,864 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 02:27:21,867 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:27:22,842 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 02:27:24,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:24,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 55 states and 108 transitions. [2024-11-25 02:27:24,213 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 108 transitions. [2024-11-25 02:27:24,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-25 02:27:24,214 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:24,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:24,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:24,355 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 02:27:25,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:25,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 57 states and 110 transitions. [2024-11-25 02:27:25,695 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 110 transitions. [2024-11-25 02:27:25,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-25 02:27:25,696 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:25,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:25,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:25,791 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 02:27:26,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:26,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 59 states and 113 transitions. [2024-11-25 02:27:26,331 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 113 transitions. [2024-11-25 02:27:26,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-25 02:27:26,332 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:26,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:26,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:26,441 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 02:27:27,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:27,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 61 states and 116 transitions. [2024-11-25 02:27:27,299 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 116 transitions. [2024-11-25 02:27:27,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-25 02:27:27,300 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:27,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:27,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:27:27,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:27,394 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 02:27:27,396 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:27:28,326 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 02:27:28,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:28,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 62 states and 118 transitions. [2024-11-25 02:27:28,974 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 118 transitions. [2024-11-25 02:27:28,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-25 02:27:28,976 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:28,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:28,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:27:29,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:29,043 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-25 02:27:29,046 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:27:30,536 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 02:27:32,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:32,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 66 states and 131 transitions. [2024-11-25 02:27:32,791 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 131 transitions. [2024-11-25 02:27:32,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-25 02:27:32,792 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:32,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:32,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:33,176 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 02:27:36,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:36,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 70 states and 146 transitions. [2024-11-25 02:27:36,246 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 146 transitions. [2024-11-25 02:27:36,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-25 02:27:36,247 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:36,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:36,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:36,414 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 02:27:37,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:37,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 72 states and 147 transitions. [2024-11-25 02:27:37,829 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 147 transitions. [2024-11-25 02:27:37,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-25 02:27:37,831 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:37,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:37,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:37,992 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 02:27:39,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:39,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 74 states and 149 transitions. [2024-11-25 02:27:39,196 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 149 transitions. [2024-11-25 02:27:39,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-25 02:27:39,197 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:39,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:39,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:27:39,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:39,264 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 02:27:39,266 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:27:41,712 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 9 proven. 36 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-25 02:27:50,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:50,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 91 states and 189 transitions. [2024-11-25 02:27:50,658 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 189 transitions. [2024-11-25 02:27:50,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-25 02:27:50,659 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:50,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:50,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:27:50,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:50,720 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-25 02:27:50,726 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:27:51,879 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 02:27:53,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:53,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 92 states and 191 transitions. [2024-11-25 02:27:53,183 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 191 transitions. [2024-11-25 02:27:53,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-25 02:27:53,184 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:53,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:53,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:53,301 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 02:27:55,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:55,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 94 states and 192 transitions. [2024-11-25 02:27:55,235 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 192 transitions. [2024-11-25 02:27:55,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-25 02:27:55,236 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:55,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:55,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:27:55,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:55,306 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-25 02:27:55,308 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:27:56,346 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-25 02:27:57,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:57,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 95 states and 194 transitions. [2024-11-25 02:27:57,561 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 194 transitions. [2024-11-25 02:27:57,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-25 02:27:57,562 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:57,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:57,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:58,425 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 51 proven. 14 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-25 02:28:08,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:28:08,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 112 states and 225 transitions. [2024-11-25 02:28:08,137 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 225 transitions. [2024-11-25 02:28:08,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-25 02:28:08,138 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:28:08,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:28:08,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 02:28:08,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:28:08,189 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:28:08,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:28:08,246 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 26 iterations. [2024-11-25 02:28:08,280 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:28:08 ImpRootNode [2024-11-25 02:28:08,280 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:28:08,281 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:28:08,281 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:28:08,281 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:28:08,282 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:27:08" (3/4) ... [2024-11-25 02:28:08,283 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 02:28:08,339 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 40. [2024-11-25 02:28:08,414 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_701e032e-c8a0-41e0-94a7-f3be8e85536f/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 02:28:08,415 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_701e032e-c8a0-41e0-94a7-f3be8e85536f/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 02:28:08,415 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:28:08,416 INFO L158 Benchmark]: Toolchain (without parser) took 60153.19ms. Allocated memory was 142.6MB in the beginning and 394.3MB in the end (delta: 251.7MB). Free memory was 119.4MB in the beginning and 327.0MB in the end (delta: -207.6MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. [2024-11-25 02:28:08,416 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 142.6MB. Free memory is still 79.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:28:08,417 INFO L158 Benchmark]: CACSL2BoogieTranslator took 226.52ms. Allocated memory is still 142.6MB. Free memory was 119.4MB in the beginning and 108.4MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:28:08,417 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.18ms. Allocated memory is still 142.6MB. Free memory was 108.2MB in the beginning and 107.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:28:08,417 INFO L158 Benchmark]: Boogie Preprocessor took 20.33ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 106.5MB in the end (delta: 559.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:28:08,418 INFO L158 Benchmark]: RCFGBuilder took 309.02ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 94.6MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:28:08,418 INFO L158 Benchmark]: CodeCheck took 59422.84ms. Allocated memory was 142.6MB in the beginning and 394.3MB in the end (delta: 251.7MB). Free memory was 94.4MB in the beginning and 335.2MB in the end (delta: -240.8MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2024-11-25 02:28:08,419 INFO L158 Benchmark]: Witness Printer took 133.98ms. Allocated memory is still 394.3MB. Free memory was 335.2MB in the beginning and 327.0MB in the end (delta: 8.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:28:08,423 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 59.4s, OverallIterations: 26, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1699 SdHoareTripleChecker+Valid, 22.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 658 mSDsluCounter, 1759 SdHoareTripleChecker+Invalid, 20.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 916 mSDsCounter, 2976 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7841 IncrementalHoareTripleChecker+Invalid, 10817 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2976 mSolverCounterUnsat, 843 mSDtfsCounter, 7841 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7521 GetRequests, 6964 SyntacticMatches, 201 SemanticMatches, 356 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62307 ImplicationChecksByTransitivity, 46.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 13.0s InterpolantComputationTime, 929 NumberOfCodeBlocks, 929 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 850 ConstructedInterpolants, 0 QuantifiedInterpolants, 6867 SizeOfPredicates, 9 NumberOfNonLiveVariables, 931 ConjunctsInSsa, 117 ConjunctsInUnsatCore, 25 InterpolantComputations, 3 PerfectInterpolantSequences, 538/982 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: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L22] int counter = 0; [L24] int x1, x2; [L25] int y1, y2, y3; [L26] x1 = __VERIFIER_nondet_int() [L27] x2 = __VERIFIER_nondet_int() [L29] CALL assume_abort_if_not(x1 >= 0) VAL [\old(cond)=1, counter=0] [L13] COND FALSE !(!cond) [L29] RET assume_abort_if_not(x1 >= 0) VAL [counter=0, x1=6, x2=6] [L30] CALL assume_abort_if_not(x2 != 0) VAL [\old(cond)=1, counter=0] [L13] COND FALSE !(!cond) [L30] RET assume_abort_if_not(x2 != 0) VAL [counter=0, x1=6, x2=6] [L32] y1 = 0 [L33] y2 = 0 [L34] y3 = x1 VAL [counter=0, x1=6, x2=6, y1=0, y2=0, y3=6] [L36] EXPR counter++ VAL [counter=1, x1=6, x2=6, y1=0, y2=0, y3=6] [L36] COND TRUE counter++<5 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, counter=1] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=1] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [counter=1, x1=6, x2=6, y1=0, y2=0, y3=6] [L39] COND FALSE !(!(y3 != 0)) [L41] COND FALSE !(y2 + 1 == x2) [L46] y2 = y2 + 1 [L47] y3 = y3 - 1 VAL [counter=1, x1=6, x2=6, y1=0, y2=1, y3=5] [L36] EXPR counter++ VAL [counter=2, x1=6, x2=6, y1=0, y2=1, y3=5] [L36] COND TRUE counter++<5 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, counter=2] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=2] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [counter=2, x1=6, x2=6, y1=0, y2=1, y3=5] [L39] COND FALSE !(!(y3 != 0)) [L41] COND FALSE !(y2 + 1 == x2) [L46] y2 = y2 + 1 [L47] y3 = y3 - 1 VAL [counter=2, x1=6, x2=6, y1=0, y2=2, y3=4] [L36] EXPR counter++ VAL [counter=3, x1=6, x2=6, y1=0, y2=2, y3=4] [L36] COND TRUE counter++<5 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, counter=3] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=3] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [counter=3, x1=6, x2=6, y1=0, y2=2, y3=4] [L39] COND FALSE !(!(y3 != 0)) [L41] COND FALSE !(y2 + 1 == x2) [L46] y2 = y2 + 1 [L47] y3 = y3 - 1 VAL [counter=3, x1=6, x2=6, y1=0, y2=3, y3=3] [L36] EXPR counter++ VAL [counter=4, x1=6, x2=6, y1=0, y2=3, y3=3] [L36] COND TRUE counter++<5 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, counter=4] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=4] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [counter=4, x1=6, x2=6, y1=0, y2=3, y3=3] [L39] COND FALSE !(!(y3 != 0)) [L41] COND FALSE !(y2 + 1 == x2) [L46] y2 = y2 + 1 [L47] y3 = y3 - 1 VAL [counter=4, x1=6, x2=6, y1=0, y2=4, y3=2] [L36] EXPR counter++ VAL [counter=5, x1=6, x2=6, y1=0, y2=4, y3=2] [L36] COND TRUE counter++<5 [L37] CALL __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [\old(cond)=1, counter=5] [L16] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=5] [L37] RET __VERIFIER_assert(y1*x2 + y2 + y3 == x1) VAL [counter=5, x1=6, x2=6, y1=0, y2=4, y3=2] [L39] COND FALSE !(!(y3 != 0)) [L41] COND FALSE !(y2 + 1 == x2) [L46] y2 = y2 + 1 [L47] y3 = y3 - 1 VAL [counter=5, x1=6, x2=6, y1=0, y2=5, y3=1] [L36] EXPR counter++ VAL [counter=6, x1=6, x2=6, y1=0, y2=5, y3=1] [L36] COND FALSE !(counter++<5) [L50] CALL __VERIFIER_assert(y1*x2 + y2 == x1) VAL [\old(cond)=0, counter=6] [L16] COND TRUE !(cond) VAL [\old(cond)=0, counter=6] [L18] reach_error() VAL [\old(cond)=0, counter=6] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 142.6MB. Free memory is still 79.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 226.52ms. Allocated memory is still 142.6MB. Free memory was 119.4MB in the beginning and 108.4MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.18ms. Allocated memory is still 142.6MB. Free memory was 108.2MB in the beginning and 107.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.33ms. Allocated memory is still 142.6MB. Free memory was 107.1MB in the beginning and 106.5MB in the end (delta: 559.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 309.02ms. Allocated memory is still 142.6MB. Free memory was 106.3MB in the beginning and 94.6MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 59422.84ms. Allocated memory was 142.6MB in the beginning and 394.3MB in the end (delta: 251.7MB). Free memory was 94.4MB in the beginning and 335.2MB in the end (delta: -240.8MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. * Witness Printer took 133.98ms. Allocated memory is still 394.3MB. Free memory was 335.2MB in the beginning and 327.0MB in the end (delta: 8.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 02:28:08,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_701e032e-c8a0-41e0-94a7-f3be8e85536f/bin/ukojak-verify-ENZ3QT5qd3/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