./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39982737-b0ae-46fc-8373-d7454bdabc7b/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39982737-b0ae-46fc-8373-d7454bdabc7b/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39982737-b0ae-46fc-8373-d7454bdabc7b/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39982737-b0ae-46fc-8373-d7454bdabc7b/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39982737-b0ae-46fc-8373-d7454bdabc7b/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39982737-b0ae-46fc-8373-d7454bdabc7b/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 76a219f1c64e889b9539a62cf30988094d07e133bf7ccaa4e013534e44709a48 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:22:13,577 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:22:13,643 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39982737-b0ae-46fc-8373-d7454bdabc7b/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 23:22:13,647 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:22:13,648 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:22:13,671 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:22:13,672 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:22:13,673 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:22:13,674 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:22:13,674 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:22:13,675 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:22:13,675 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:22:13,676 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:22:13,676 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:22:13,677 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:22:13,677 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:22:13,678 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:22:13,678 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:22:13,679 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:22:13,679 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:22:13,680 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:22:13,681 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:22:13,681 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:22:13,681 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:22:13,682 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:22:13,682 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:22:13,683 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:22:13,683 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:22:13,684 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:22:13,684 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:22:13,685 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:22:13,685 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:22:13,685 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:22:13,686 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39982737-b0ae-46fc-8373-d7454bdabc7b/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39982737-b0ae-46fc-8373-d7454bdabc7b/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 76a219f1c64e889b9539a62cf30988094d07e133bf7ccaa4e013534e44709a48 [2023-12-02 23:22:13,922 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:22:13,956 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:22:13,958 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:22:13,960 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:22:13,960 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:22:13,961 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39982737-b0ae-46fc-8373-d7454bdabc7b/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound20.c [2023-12-02 23:22:16,676 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:22:16,853 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:22:16,854 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39982737-b0ae-46fc-8373-d7454bdabc7b/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound20.c [2023-12-02 23:22:16,862 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39982737-b0ae-46fc-8373-d7454bdabc7b/bin/ukojak-verify-Qdu7aM0XO9/data/47d71d921/c829bc0d97cf48679f02109b6c98e9e0/FLAG0d54fb7df [2023-12-02 23:22:17,236 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39982737-b0ae-46fc-8373-d7454bdabc7b/bin/ukojak-verify-Qdu7aM0XO9/data/47d71d921/c829bc0d97cf48679f02109b6c98e9e0 [2023-12-02 23:22:17,237 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:22:17,239 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:22:17,240 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:22:17,240 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:22:17,244 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:22:17,245 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:22:17" (1/1) ... [2023-12-02 23:22:17,247 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5966b59c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:17, skipping insertion in model container [2023-12-02 23:22:17,247 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:22:17" (1/1) ... [2023-12-02 23:22:17,266 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:22:17,382 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39982737-b0ae-46fc-8373-d7454bdabc7b/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound20.c[525,538] [2023-12-02 23:22:17,392 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:22:17,400 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:22:17,409 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39982737-b0ae-46fc-8373-d7454bdabc7b/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound20.c[525,538] [2023-12-02 23:22:17,413 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:22:17,425 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:22:17,426 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:17 WrapperNode [2023-12-02 23:22:17,426 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:22:17,427 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:22:17,427 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:22:17,427 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:22:17,433 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:17" (1/1) ... [2023-12-02 23:22:17,438 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:17" (1/1) ... [2023-12-02 23:22:17,452 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 43 [2023-12-02 23:22:17,453 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:22:17,453 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:22:17,453 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:22:17,454 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:22:17,460 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:17" (1/1) ... [2023-12-02 23:22:17,460 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:17" (1/1) ... [2023-12-02 23:22:17,461 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:17" (1/1) ... [2023-12-02 23:22:17,461 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:17" (1/1) ... [2023-12-02 23:22:17,465 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:17" (1/1) ... [2023-12-02 23:22:17,468 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:17" (1/1) ... [2023-12-02 23:22:17,469 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:17" (1/1) ... [2023-12-02 23:22:17,470 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:17" (1/1) ... [2023-12-02 23:22:17,471 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:22:17,472 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:22:17,472 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:22:17,472 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:22:17,473 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:22:17" (1/1) ... [2023-12-02 23:22:17,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:22:17,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39982737-b0ae-46fc-8373-d7454bdabc7b/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:22:17,500 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39982737-b0ae-46fc-8373-d7454bdabc7b/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:22:17,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39982737-b0ae-46fc-8373-d7454bdabc7b/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:22:17,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:22:17,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:22:17,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:22:17,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:22:17,530 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 23:22:17,530 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 23:22:17,584 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:22:17,585 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:22:17,687 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:22:17,711 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:22:17,712 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 23:22:17,713 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:22:17 BoogieIcfgContainer [2023-12-02 23:22:17,714 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:22:17,714 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:22:17,715 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:22:17,725 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:22:17,725 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:22:17" (1/1) ... [2023-12-02 23:22:17,734 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:22:17,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:17,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2023-12-02 23:22:17,791 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2023-12-02 23:22:17,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 23:22:17,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:17,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:17,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:17,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:17,921 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:22:17,924 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:22:17,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:22:17,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:17,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2023-12-02 23:22:17,961 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-12-02 23:22:17,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:22:17,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:17,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:17,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:18,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:18,015 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 23:22:18,016 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:22:18,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:22:18,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:18,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2023-12-02 23:22:18,101 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2023-12-02 23:22:18,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 23:22:18,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:18,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:18,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:18,131 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 23:22:18,133 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:22:18,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:22:18,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:18,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2023-12-02 23:22:18,429 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2023-12-02 23:22:18,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 23:22:18,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:18,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:18,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:18,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:22:18,459 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:22:18,583 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:22:18,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:18,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2023-12-02 23:22:18,792 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2023-12-02 23:22:18,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 23:22:18,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:18,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:18,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:18,970 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 23:22:18,972 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:22:19,069 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:22:21,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:21,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 29 states and 47 transitions. [2023-12-02 23:22:21,218 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2023-12-02 23:22:21,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 23:22:21,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:21,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:21,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:21,245 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:22:21,246 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:22:21,309 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:22:29,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.93s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 23:22:39,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 23:22:40,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:22:40,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 37 states and 69 transitions. [2023-12-02 23:22:40,020 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 69 transitions. [2023-12-02 23:22:40,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 23:22:40,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:22:40,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:22:40,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:22:40,049 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 23:22:40,050 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:22:40,314 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:23:10,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-02 23:23:10,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:10,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 40 states and 80 transitions. [2023-12-02 23:23:10,504 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 80 transitions. [2023-12-02 23:23:10,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 23:23:10,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:10,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:23:10,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:10,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 23:23:10,541 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:23:10,730 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:23:33,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:23:33,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 42 states and 81 transitions. [2023-12-02 23:23:33,341 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 81 transitions. [2023-12-02 23:23:33,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 23:23:33,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:23:33,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:23:33,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:23:33,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 23:23:33,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:23:33,471 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:23:40,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.05s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-02 23:24:59,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.83s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-02 23:25:03,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.38s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-02 23:25:03,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:25:03,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 50 states and 108 transitions. [2023-12-02 23:25:03,906 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 108 transitions. [2023-12-02 23:25:03,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 23:25:03,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:25:03,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:25:03,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:25:03,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 23:25:03,936 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:25:08,238 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:25:57,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:25:57,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 52 states and 112 transitions. [2023-12-02 23:25:57,248 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 112 transitions. [2023-12-02 23:25:57,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 23:25:57,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:25:57,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:25:57,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:25:57,274 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 23:25:57,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:25:57,304 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:25:57,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:25:57,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 54 states and 117 transitions. [2023-12-02 23:25:57,561 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 117 transitions. [2023-12-02 23:25:57,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 23:25:57,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:25:57,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:25:57,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:25:57,586 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 23:25:57,587 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:25:57,616 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:25:57,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:25:57,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 54 states and 116 transitions. [2023-12-02 23:25:57,828 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 116 transitions. [2023-12-02 23:25:57,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 23:25:57,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:25:57,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:25:57,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:25:57,853 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 23:25:57,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:25:57,889 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:25:58,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:25:58,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 55 states and 119 transitions. [2023-12-02 23:25:58,400 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 119 transitions. [2023-12-02 23:25:58,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-02 23:25:58,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:25:58,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:25:58,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:25:58,430 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 23:25:58,432 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:25:58,609 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:26:06,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.44s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-02 23:27:12,065 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-02 23:27:12,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:27:12,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 63 states and 149 transitions. [2023-12-02 23:27:12,415 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 149 transitions. [2023-12-02 23:27:12,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-02 23:27:12,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:27:12,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:27:12,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:27:12,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 23:27:12,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:27:12,599 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 22 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-12-02 23:28:05,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:28:05,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 65 states and 154 transitions. [2023-12-02 23:28:05,221 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 154 transitions. [2023-12-02 23:28:05,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-02 23:28:05,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:28:05,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:28:05,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:28:05,246 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 23:28:05,247 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:28:05,292 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:28:05,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:28:05,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 67 states and 160 transitions. [2023-12-02 23:28:05,621 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 160 transitions. [2023-12-02 23:28:05,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-02 23:28:05,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:28:05,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:28:05,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:28:05,646 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 23:28:05,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:28:05,679 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:28:06,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:28:06,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 68 states and 162 transitions. [2023-12-02 23:28:06,018 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 162 transitions. [2023-12-02 23:28:06,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-02 23:28:06,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:28:06,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:28:06,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:28:06,044 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 23:28:06,045 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:28:06,081 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:28:06,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:28:06,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 68 states and 161 transitions. [2023-12-02 23:28:06,573 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 161 transitions. [2023-12-02 23:28:06,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-02 23:28:06,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:28:06,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:28:06,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:28:06,598 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:28:06,599 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:28:06,778 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:28:17,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.80s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-02 23:28:26,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.79s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-02 23:29:17,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:29:17,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 76 states and 193 transitions. [2023-12-02 23:29:17,832 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 193 transitions. [2023-12-02 23:29:17,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-02 23:29:17,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:29:17,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:29:17,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:29:17,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 23:29:17,873 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:29:18,203 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 31 proven. 1 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-12-02 23:30:40,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:30:40,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 78 states and 199 transitions. [2023-12-02 23:30:40,683 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 199 transitions. [2023-12-02 23:30:40,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-02 23:30:40,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:30:40,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:30:40,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:30:40,714 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:30:40,716 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:30:40,761 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:30:41,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:30:41,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 80 states and 206 transitions. [2023-12-02 23:30:41,145 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 206 transitions. [2023-12-02 23:30:41,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-02 23:30:41,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:30:41,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:30:41,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:30:41,174 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:30:41,175 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:30:41,222 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:30:41,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:30:41,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 81 states and 208 transitions. [2023-12-02 23:30:41,605 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 208 transitions. [2023-12-02 23:30:41,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 23:30:41,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:30:41,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:30:41,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:30:41,631 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 23:30:41,633 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:30:41,874 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:30:52,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.56s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-02 23:31:01,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.67s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-02 23:31:02,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:31:02,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 89 states and 247 transitions. [2023-12-02 23:31:02,269 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 247 transitions. [2023-12-02 23:31:02,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 23:31:02,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:31:02,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:31:02,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:31:02,315 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 23:31:02,316 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:31:12,288 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 40 proven. 1 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-12-02 23:32:23,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:32:23,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 91 states and 255 transitions. [2023-12-02 23:32:23,878 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 255 transitions. [2023-12-02 23:32:23,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 23:32:23,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:32:23,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:32:23,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:32:23,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 23:32:23,911 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:32:23,958 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:34:06,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-02 23:34:16,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-02 23:34:16,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:34:16,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 93 states and 258 transitions. [2023-12-02 23:34:16,174 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 258 transitions. [2023-12-02 23:34:16,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 23:34:16,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:34:16,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:34:16,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:34:16,200 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 23:34:16,201 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:34:16,253 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:34:17,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:34:17,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 94 states and 260 transitions. [2023-12-02 23:34:17,205 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 260 transitions. [2023-12-02 23:34:17,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-02 23:34:17,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:34:17,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:34:17,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:34:17,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 23:34:17,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:34:17,583 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:34:26,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.62s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-02 23:34:30,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-02 23:34:38,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.66s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-02 23:36:07,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:36:07,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 102 states and 298 transitions. [2023-12-02 23:36:07,630 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 298 transitions. [2023-12-02 23:36:07,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-02 23:36:07,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:36:07,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:36:07,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:36:07,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 23:36:07,689 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:36:07,862 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 49 proven. 1 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-12-02 23:37:40,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:40,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 104 states and 306 transitions. [2023-12-02 23:37:40,120 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 306 transitions. [2023-12-02 23:37:40,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-02 23:37:40,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:40,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:37:40,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:40,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 23:37:40,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:40,214 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:37:40,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:40,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 106 states and 315 transitions. [2023-12-02 23:37:40,738 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 315 transitions. [2023-12-02 23:37:40,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-02 23:37:40,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:40,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:37:40,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:40,776 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 23:37:40,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:40,845 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:37:41,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:41,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 107 states and 317 transitions. [2023-12-02 23:37:41,436 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 317 transitions. [2023-12-02 23:37:41,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 23:37:41,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:41,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:37:41,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:41,475 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 23:37:41,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:41,825 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 14 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.