./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_eeb53ad2-4926-42f4-914a-59ce5c7f5373/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb53ad2-4926-42f4-914a-59ce5c7f5373/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_eeb53ad2-4926-42f4-914a-59ce5c7f5373/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb53ad2-4926-42f4-914a-59ce5c7f5373/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb53ad2-4926-42f4-914a-59ce5c7f5373/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb53ad2-4926-42f4-914a-59ce5c7f5373/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d03c67e233c08f2056b22cded14e60e5b8002325e3ed3bc9a6e35392b69429b7 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:42:05,423 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:42:05,488 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb53ad2-4926-42f4-914a-59ce5c7f5373/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-02 21:42:05,492 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:42:05,492 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:42:05,515 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:42:05,516 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:42:05,517 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:42:05,518 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:42:05,518 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:42:05,519 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:42:05,519 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:42:05,520 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:42:05,520 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:42:05,521 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:42:05,521 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:42:05,522 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:42:05,522 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:42:05,523 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:42:05,523 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 21:42:05,524 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:42:05,525 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:42:05,525 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:42:05,526 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:42:05,526 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:42:05,527 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:42:05,527 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:42:05,528 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:42:05,528 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:42:05,528 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:42:05,529 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:42:05,529 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:42:05,529 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:42:05,530 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:42:05,530 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:42:05,530 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_eeb53ad2-4926-42f4-914a-59ce5c7f5373/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb53ad2-4926-42f4-914a-59ce5c7f5373/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d03c67e233c08f2056b22cded14e60e5b8002325e3ed3bc9a6e35392b69429b7 [2023-12-02 21:42:05,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:42:05,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:42:05,760 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:42:05,761 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:42:05,762 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:42:05,763 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb53ad2-4926-42f4-914a-59ce5c7f5373/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound20.c [2023-12-02 21:42:08,461 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:42:08,631 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:42:08,632 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb53ad2-4926-42f4-914a-59ce5c7f5373/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_valuebound20.c [2023-12-02 21:42:08,638 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb53ad2-4926-42f4-914a-59ce5c7f5373/bin/ukojak-verify-Qdu7aM0XO9/data/ee7a324c2/60fff2b310ef474784cef8ce95f82265/FLAGd76b865ff [2023-12-02 21:42:08,653 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb53ad2-4926-42f4-914a-59ce5c7f5373/bin/ukojak-verify-Qdu7aM0XO9/data/ee7a324c2/60fff2b310ef474784cef8ce95f82265 [2023-12-02 21:42:08,656 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:42:08,657 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:42:08,659 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:42:08,659 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:42:08,663 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:42:08,664 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:42:08" (1/1) ... [2023-12-02 21:42:08,665 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47e6bafe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:42:08, skipping insertion in model container [2023-12-02 21:42:08,665 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:42:08" (1/1) ... [2023-12-02 21:42:08,681 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:42:08,823 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:42:08,834 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:42:08,853 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:42:08,868 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:42:08,869 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:42:08 WrapperNode [2023-12-02 21:42:08,869 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:42:08,870 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:42:08,870 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:42:08,870 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:42:08,878 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:42:08" (1/1) ... [2023-12-02 21:42:08,884 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:42:08" (1/1) ... [2023-12-02 21:42:08,906 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 74 [2023-12-02 21:42:08,906 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:42:08,907 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:42:08,907 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:42:08,907 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:42:08,916 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:42:08" (1/1) ... [2023-12-02 21:42:08,916 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:42:08" (1/1) ... [2023-12-02 21:42:08,918 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:42:08" (1/1) ... [2023-12-02 21:42:08,918 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:42:08" (1/1) ... [2023-12-02 21:42:08,922 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:42:08" (1/1) ... [2023-12-02 21:42:08,925 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:42:08" (1/1) ... [2023-12-02 21:42:08,926 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:42:08" (1/1) ... [2023-12-02 21:42:08,927 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:42:08" (1/1) ... [2023-12-02 21:42:08,929 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:42:08,929 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:42:08,929 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:42:08,930 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:42:08,930 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:42:08" (1/1) ... [2023-12-02 21:42:08,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:42:08,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb53ad2-4926-42f4-914a-59ce5c7f5373/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:42:08,961 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb53ad2-4926-42f4-914a-59ce5c7f5373/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:42:08,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eeb53ad2-4926-42f4-914a-59ce5c7f5373/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:42:08,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:42:08,996 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 21:42:08,996 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 21:42:08,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:42:08,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:42:08,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:42:08,997 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 21:42:08,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 21:42:09,069 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:42:09,071 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:42:09,366 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:42:09,416 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:42:09,416 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 21:42:09,418 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:42:09 BoogieIcfgContainer [2023-12-02 21:42:09,418 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:42:09,419 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:42:09,419 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:42:09,429 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:42:09,429 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:42:09" (1/1) ... [2023-12-02 21:42:09,437 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:42:09,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:09,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 71 states and 74 transitions. [2023-12-02 21:42:09,491 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 74 transitions. [2023-12-02 21:42:09,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 21:42:09,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:09,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:42:09,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:09,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:09,626 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 21:42:09,631 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:09,650 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:42:09,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:09,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 71 states and 73 transitions. [2023-12-02 21:42:09,670 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 73 transitions. [2023-12-02 21:42:09,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 21:42:09,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:09,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:42:09,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:09,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 21:42:09,704 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:09,808 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:42:09,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:09,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 73 states and 76 transitions. [2023-12-02 21:42:09,885 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 76 transitions. [2023-12-02 21:42:09,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 21:42:09,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:09,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:42:09,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:09,912 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 21:42:09,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:09,962 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:42:09,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:09,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 74 states and 77 transitions. [2023-12-02 21:42:09,987 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 77 transitions. [2023-12-02 21:42:09,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 21:42:09,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:09,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:42:10,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:10,013 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:42:10,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:10,034 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:42:10,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:10,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 75 states and 79 transitions. [2023-12-02 21:42:10,066 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 79 transitions. [2023-12-02 21:42:10,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 21:42:10,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:10,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:42:10,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:10,092 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 21:42:10,093 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:10,161 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:42:10,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:10,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 77 states and 81 transitions. [2023-12-02 21:42:10,229 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 81 transitions. [2023-12-02 21:42:10,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 21:42:10,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:10,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:42:10,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:10,254 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:42:10,255 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:10,310 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:42:10,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:10,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 78 states and 83 transitions. [2023-12-02 21:42:10,365 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 83 transitions. [2023-12-02 21:42:10,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 21:42:10,366 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:10,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:42:10,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:10,390 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:42:10,391 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:10,441 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:42:10,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:10,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 80 states and 87 transitions. [2023-12-02 21:42:10,593 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 87 transitions. [2023-12-02 21:42:10,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 21:42:10,594 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:10,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:42:10,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:10,617 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 21:42:10,619 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:10,709 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:42:11,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:11,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 88 states and 98 transitions. [2023-12-02 21:42:11,048 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 98 transitions. [2023-12-02 21:42:11,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 21:42:11,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:11,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:42:11,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:11,072 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 21:42:11,073 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:11,146 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:42:11,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:11,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 89 states and 99 transitions. [2023-12-02 21:42:11,174 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 99 transitions. [2023-12-02 21:42:11,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 21:42:11,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:11,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:42:11,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:11,197 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 21:42:11,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:11,325 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:42:11,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:11,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 93 states and 104 transitions. [2023-12-02 21:42:11,555 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 104 transitions. [2023-12-02 21:42:11,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 21:42:11,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:11,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:42:11,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:11,579 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 21:42:11,581 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:11,744 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:42:11,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:11,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 95 states and 107 transitions. [2023-12-02 21:42:11,891 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 107 transitions. [2023-12-02 21:42:11,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 21:42:11,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:11,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:42:11,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:11,915 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:42:11,916 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:11,955 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:42:11,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:11,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 98 states and 112 transitions. [2023-12-02 21:42:11,993 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 112 transitions. [2023-12-02 21:42:11,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 21:42:11,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:11,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:42:12,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:12,017 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:42:12,018 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:12,057 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:42:12,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:12,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 112 states and 132 transitions. [2023-12-02 21:42:12,461 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 132 transitions. [2023-12-02 21:42:12,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 21:42:12,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:12,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:42:12,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:12,485 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:42:12,487 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:12,544 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:42:17,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.92s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 21:42:17,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:17,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 116 states and 139 transitions. [2023-12-02 21:42:17,791 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 139 transitions. [2023-12-02 21:42:17,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 21:42:17,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:17,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:42:17,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:17,813 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:42:17,814 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:17,860 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:42:18,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:18,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 131 states and 161 transitions. [2023-12-02 21:42:18,411 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 161 transitions. [2023-12-02 21:42:18,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 21:42:18,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:18,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:42:18,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:18,433 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:42:18,434 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:18,636 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:42:19,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:19,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 130 states and 160 transitions. [2023-12-02 21:42:19,051 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 160 transitions. [2023-12-02 21:42:19,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 21:42:19,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:19,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:42:19,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:19,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:42:19,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:19,113 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:42:19,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:19,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 133 states and 164 transitions. [2023-12-02 21:42:19,386 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 164 transitions. [2023-12-02 21:42:19,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 21:42:19,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:19,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:42:19,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:19,406 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:42:19,407 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:19,567 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:42:20,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:20,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 139 states and 174 transitions. [2023-12-02 21:42:20,441 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 174 transitions. [2023-12-02 21:42:20,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 21:42:20,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:20,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:42:20,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:20,459 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:42:20,460 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:20,487 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:42:20,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:20,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 143 states and 179 transitions. [2023-12-02 21:42:20,956 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 179 transitions. [2023-12-02 21:42:20,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 21:42:20,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:20,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:42:20,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:20,976 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:42:20,977 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:21,134 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:42:26,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:26,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 150 states and 190 transitions. [2023-12-02 21:42:26,552 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 190 transitions. [2023-12-02 21:42:26,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 21:42:26,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:26,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:42:26,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:26,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:42:26,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:26,606 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:42:26,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:26,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 149 states and 189 transitions. [2023-12-02 21:42:26,639 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 189 transitions. [2023-12-02 21:42:26,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 21:42:26,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:26,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:42:26,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:26,659 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:42:26,660 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:26,850 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:42:29,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:29,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 157 states and 201 transitions. [2023-12-02 21:42:29,663 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 201 transitions. [2023-12-02 21:42:29,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 21:42:29,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:29,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:42:29,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:29,683 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:42:29,683 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:29,707 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:42:30,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:30,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 163 states and 208 transitions. [2023-12-02 21:42:30,188 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 208 transitions. [2023-12-02 21:42:30,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-02 21:42:30,188 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:30,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:42:30,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:30,206 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:42:30,207 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:30,519 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:42:43,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:43,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 172 states and 221 transitions. [2023-12-02 21:42:43,608 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 221 transitions. [2023-12-02 21:42:43,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-02 21:42:43,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:43,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:42:43,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:43,627 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:42:43,628 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:43,650 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:42:51,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:51,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 179 states and 231 transitions. [2023-12-02 21:42:51,140 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 231 transitions. [2023-12-02 21:42:51,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:42:51,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:51,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:42:51,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:51,159 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:42:51,160 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:51,812 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:43:29,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:43:29,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 189 states and 245 transitions. [2023-12-02 21:43:29,289 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 245 transitions. [2023-12-02 21:43:29,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:43:29,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:43:29,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:43:29,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:29,306 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:43:29,307 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:43:29,326 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:43:42,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:43:42,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 197 states and 256 transitions. [2023-12-02 21:43:42,149 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 256 transitions. [2023-12-02 21:43:42,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-02 21:43:42,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:43:42,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:43:42,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:42,168 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:43:42,169 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:43:45,341 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:44:21,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:44:21,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 208 states and 271 transitions. [2023-12-02 21:44:21,600 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 271 transitions. [2023-12-02 21:44:21,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-02 21:44:21,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:44:21,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:44:21,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:21,619 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:44:21,620 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:44:23,005 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:44:47,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:44:47,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 218 states and 282 transitions. [2023-12-02 21:44:47,927 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 282 transitions. [2023-12-02 21:44:47,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-02 21:44:47,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:44:47,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:44:47,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:44:47,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 21:44:47,951 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:44:48,902 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:45:03,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:45:03,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 230 states and 302 transitions. [2023-12-02 21:45:03,173 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 302 transitions. [2023-12-02 21:45:03,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-02 21:45:03,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:45:03,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:45:03,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:45:03,192 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 21:45:03,193 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:45:03,503 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:45:10,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:45:10,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 244 states and 324 transitions. [2023-12-02 21:45:10,392 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 324 transitions. [2023-12-02 21:45:10,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 21:45:10,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:45:10,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:45:10,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:45:10,409 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:45:10,410 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:45:10,414 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:45:11,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:45:11,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 244 states and 323 transitions. [2023-12-02 21:45:11,886 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 323 transitions. [2023-12-02 21:45:11,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-02 21:45:11,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:45:11,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:45:11,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:45:11,906 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 21:45:11,907 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:45:12,028 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:45:12,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:45:12,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 246 states and 327 transitions. [2023-12-02 21:45:12,979 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 327 transitions. [2023-12-02 21:45:12,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-02 21:45:12,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:45:12,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:45:13,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:45:13,002 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:45:13,003 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:45:14,488 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:45:20,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:45:20,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 250 states and 334 transitions. [2023-12-02 21:45:20,282 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 334 transitions. [2023-12-02 21:45:20,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-02 21:45:20,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:45:20,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:45:20,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:45:20,301 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 21:45:20,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:45:21,661 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:45:28,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:45:28,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 250 states and 333 transitions. [2023-12-02 21:45:28,888 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 333 transitions. [2023-12-02 21:45:28,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-02 21:45:28,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:45:28,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:45:28,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:45:28,912 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 21:45:28,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:45:30,653 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:45:32,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 21:45:43,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:45:43,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 262 states and 345 transitions. [2023-12-02 21:45:43,457 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 345 transitions. [2023-12-02 21:45:43,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-02 21:45:43,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:45:43,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:45:43,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:45:43,479 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 21:45:43,480 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:45:44,907 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:45:49,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:45:49,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 268 states and 353 transitions. [2023-12-02 21:45:49,399 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 353 transitions. [2023-12-02 21:45:49,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-02 21:45:49,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:45:49,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:45:49,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:45:49,420 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 21:45:49,421 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:45:50,670 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:46:01,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:46:01,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 277 states and 367 transitions. [2023-12-02 21:46:01,885 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 367 transitions. [2023-12-02 21:46:01,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-02 21:46:01,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:46:01,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:46:01,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:46:01,905 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 21:46:01,906 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:46:03,013 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:46:10,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:46:10,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 283 states and 373 transitions. [2023-12-02 21:46:10,303 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 373 transitions. [2023-12-02 21:46:10,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-02 21:46:10,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:46:10,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:46:10,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:46:10,325 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:46:10,326 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:46:11,036 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:46:17,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:46:17,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 293 states and 391 transitions. [2023-12-02 21:46:17,054 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 391 transitions. [2023-12-02 21:46:17,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-02 21:46:17,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:46:17,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:46:17,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:46:17,075 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-02 21:46:17,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:46:17,220 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:46:19,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:46:19,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 297 states and 395 transitions. [2023-12-02 21:46:19,610 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 395 transitions. [2023-12-02 21:46:19,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 21:46:19,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:46:19,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:46:19,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:46:19,632 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 21:46:19,634 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:46:20,634 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:46:24,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:46:24,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 300 states and 405 transitions. [2023-12-02 21:46:24,677 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 405 transitions. [2023-12-02 21:46:24,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 21:46:24,677 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:46:24,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:46:24,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:46:24,698 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 21:46:24,699 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:46:25,256 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:46:29,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:46:29,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 304 states and 411 transitions. [2023-12-02 21:46:29,192 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 411 transitions. [2023-12-02 21:46:29,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-02 21:46:29,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:46:29,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:46:29,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:46:29,213 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:46:29,214 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:46:29,268 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:46:33,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:46:33,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 322 states and 435 transitions. [2023-12-02 21:46:33,554 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 435 transitions. [2023-12-02 21:46:33,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-02 21:46:33,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:46:33,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:46:33,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:46:33,577 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:46:33,578 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:46:33,636 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:46:36,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:46:36,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 332 states and 445 transitions. [2023-12-02 21:46:36,914 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 445 transitions. [2023-12-02 21:46:36,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 21:46:36,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:46:36,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:46:36,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:46:36,937 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:46:36,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:46:37,364 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:46:45,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:46:45,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 353 states and 494 transitions. [2023-12-02 21:46:45,308 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 494 transitions. [2023-12-02 21:46:45,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 21:46:45,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:46:45,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:46:45,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:46:45,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:46:45,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:46:45,361 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:46:50,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:46:50,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 364 states and 508 transitions. [2023-12-02 21:46:50,054 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 508 transitions. [2023-12-02 21:46:50,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 21:46:50,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:46:50,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:46:50,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:46:50,075 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:46:50,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:46:50,099 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 21:46:53,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:46:53,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 366 states and 509 transitions. [2023-12-02 21:46:53,233 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 509 transitions. [2023-12-02 21:46:53,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:46:53,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:46:53,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:46:53,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:46:53,250 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:46:53,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:46:53,267 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 21:46:55,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:46:55,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 368 states and 513 transitions. [2023-12-02 21:46:55,758 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 513 transitions. [2023-12-02 21:46:55,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:46:55,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:46:55,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:46:55,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:46:55,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:46:55,780 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:46:55,802 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-12-02 21:46:59,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:46:59,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 370 states and 514 transitions. [2023-12-02 21:46:59,263 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 514 transitions. [2023-12-02 21:46:59,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-02 21:46:59,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:46:59,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:46:59,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:46:59,285 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:46:59,286 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:46:59,303 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 21:47:06,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:06,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 372 states and 518 transitions. [2023-12-02 21:47:06,917 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 518 transitions. [2023-12-02 21:47:06,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-02 21:47:06,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:06,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:06,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:06,938 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:47:06,939 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:06,956 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-02 21:47:09,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:09,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 374 states and 522 transitions. [2023-12-02 21:47:09,333 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 522 transitions. [2023-12-02 21:47:09,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-02 21:47:09,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:09,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:09,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:09,354 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:47:09,354 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:09,390 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 21:47:09,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:09,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 376 states and 523 transitions. [2023-12-02 21:47:09,462 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 523 transitions. [2023-12-02 21:47:09,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 21:47:09,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:09,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:09,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:09,487 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:47:09,488 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:09,511 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:47:13,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:13,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 377 states and 524 transitions. [2023-12-02 21:47:13,369 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 524 transitions. [2023-12-02 21:47:13,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 21:47:13,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:13,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:13,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:13,391 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:47:13,392 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:13,412 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 21:47:17,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:17,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 379 states and 527 transitions. [2023-12-02 21:47:17,043 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 527 transitions. [2023-12-02 21:47:17,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-02 21:47:17,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:17,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:17,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:17,066 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:47:17,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:17,088 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-02 21:47:26,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:26,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 381 states and 529 transitions. [2023-12-02 21:47:26,856 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 529 transitions. [2023-12-02 21:47:26,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-02 21:47:26,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:26,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:26,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:26,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:47:26,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:26,894 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-02 21:47:30,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:30,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 383 states and 532 transitions. [2023-12-02 21:47:30,318 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 532 transitions. [2023-12-02 21:47:30,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-02 21:47:30,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:30,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:30,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:30,338 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:47:30,339 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:30,389 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 21:47:40,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:40,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 384 states and 533 transitions. [2023-12-02 21:47:40,273 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 533 transitions. [2023-12-02 21:47:40,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-02 21:47:40,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:40,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:40,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:40,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:47:40,295 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:40,317 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-02 21:47:43,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:43,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 384 states and 532 transitions. [2023-12-02 21:47:43,646 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 532 transitions. [2023-12-02 21:47:43,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-02 21:47:43,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:43,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:43,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:43,670 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 21:47:43,671 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:45,942 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 21:47:52,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:52,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 388 states and 542 transitions. [2023-12-02 21:47:52,970 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 542 transitions. [2023-12-02 21:47:52,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-12-02 21:47:52,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:52,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:52,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:52,994 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 21:47:52,995 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:54,118 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 4 proven. 22 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 21:47:55,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:47:55,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 389 states and 544 transitions. [2023-12-02 21:47:55,784 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 544 transitions. [2023-12-02 21:47:55,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:47:55,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:47:55,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:47:55,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:47:55,809 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:47:55,810 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:47:56,302 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 21:48:12,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:12,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 402 states and 564 transitions. [2023-12-02 21:48:12,776 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 564 transitions. [2023-12-02 21:48:12,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-12-02 21:48:12,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:12,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:48:12,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:12,819 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:48:12,820 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:48:12,987 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 21:48:14,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:14,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 403 states and 564 transitions. [2023-12-02 21:48:14,219 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 564 transitions. [2023-12-02 21:48:14,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-02 21:48:14,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:14,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:48:14,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:14,244 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:48:14,245 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:48:14,444 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 21:48:15,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:15,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 405 states and 569 transitions. [2023-12-02 21:48:15,206 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 569 transitions. [2023-12-02 21:48:15,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-02 21:48:15,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:15,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:48:15,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:15,232 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 21:48:15,233 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:48:15,791 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 21:48:32,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:32,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 412 states and 578 transitions. [2023-12-02 21:48:32,606 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 578 transitions. [2023-12-02 21:48:32,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-12-02 21:48:32,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:32,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:48:32,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:32,651 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 21:48:32,653 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:48:35,339 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 1 proven. 38 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:48:50,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:48:50,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 423 states and 593 transitions. [2023-12-02 21:48:50,255 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 593 transitions. [2023-12-02 21:48:50,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-12-02 21:48:50,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:48:50,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:48:50,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:48:50,307 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 21:48:50,308 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:48:51,877 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 1 proven. 40 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:49:46,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:49:46,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 432 states and 611 transitions. [2023-12-02 21:49:46,103 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 611 transitions. [2023-12-02 21:49:46,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-02 21:49:46,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:49:46,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:49:46,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:49:46,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 21:49:46,131 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:49:47,074 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 21:49:59,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:49:59,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 437 states and 625 transitions. [2023-12-02 21:49:59,122 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 625 transitions. [2023-12-02 21:49:59,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-02 21:49:59,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:49:59,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:49:59,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:49:59,148 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 21:49:59,149 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:49:59,367 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 21:50:23,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:50:23,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 441 states and 628 transitions. [2023-12-02 21:50:23,628 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 628 transitions. [2023-12-02 21:50:23,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-12-02 21:50:23,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:50:23,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:50:23,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:50:23,654 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 21:50:23,655 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:50:23,899 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-02 21:50:26,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:50:26,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 444 states and 631 transitions. [2023-12-02 21:50:26,714 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 631 transitions. [2023-12-02 21:50:26,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-02 21:50:26,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:50:26,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:50:26,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:50:26,741 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:50:26,742 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:50:29,291 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 1 proven. 44 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:50:41,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-02 21:50:41,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:50:41,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 450 states and 648 transitions. [2023-12-02 21:50:41,533 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 648 transitions. [2023-12-02 21:50:41,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-02 21:50:41,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:50:41,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:50:41,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:50:41,560 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:50:41,562 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:50:42,383 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 1 proven. 44 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:50:43,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:50:43,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 451 states and 648 transitions. [2023-12-02 21:50:43,410 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 648 transitions. [2023-12-02 21:50:43,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-02 21:50:43,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:50:43,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:50:43,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:50:43,452 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:50:43,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:50:44,326 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 1 proven. 44 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:50:45,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:50:45,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 454 states and 650 transitions. [2023-12-02 21:50:45,808 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 650 transitions. [2023-12-02 21:50:45,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 21:50:45,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:50:45,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:50:45,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:50:45,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:50:45,833 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:50:46,255 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 21:50:56,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:50:56,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 470 states and 669 transitions. [2023-12-02 21:50:56,939 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 669 transitions. [2023-12-02 21:50:56,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-12-02 21:50:56,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:50:56,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:50:56,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:50:56,967 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:50:56,968 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:50:57,510 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 21:51:01,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:01,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 475 states and 673 transitions. [2023-12-02 21:51:01,346 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 673 transitions. [2023-12-02 21:51:01,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-02 21:51:01,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:01,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:01,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:01,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:51:01,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:02,313 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 21:51:17,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:17,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 496 states and 725 transitions. [2023-12-02 21:51:17,894 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 725 transitions. [2023-12-02 21:51:17,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-02 21:51:17,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:17,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:17,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:17,919 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:51:17,920 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:17,967 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 21:51:30,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:30,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 513 states and 750 transitions. [2023-12-02 21:51:30,279 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 750 transitions. [2023-12-02 21:51:30,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-02 21:51:30,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:30,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:30,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:30,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:51:30,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:30,354 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 21:51:35,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:35,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 523 states and 761 transitions. [2023-12-02 21:51:35,760 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 761 transitions. [2023-12-02 21:51:35,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-02 21:51:35,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:35,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:35,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:35,786 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:51:35,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:35,866 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 21:51:39,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:39,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 528 states and 765 transitions. [2023-12-02 21:51:39,575 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 765 transitions. [2023-12-02 21:51:39,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-02 21:51:39,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:39,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:39,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:39,600 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:51:39,602 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:39,624 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-12-02 21:51:44,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:44,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 530 states and 766 transitions. [2023-12-02 21:51:44,408 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 766 transitions. [2023-12-02 21:51:44,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-02 21:51:44,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:44,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:44,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:44,432 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:51:44,433 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:44,448 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2023-12-02 21:51:48,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:48,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 532 states and 770 transitions. [2023-12-02 21:51:48,162 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 770 transitions. [2023-12-02 21:51:48,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-12-02 21:51:48,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:48,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:48,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:48,189 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:51:48,190 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:48,213 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-12-02 21:51:50,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:51:50,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 534 states and 771 transitions. [2023-12-02 21:51:50,416 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 771 transitions. [2023-12-02 21:51:50,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-02 21:51:50,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:51:50,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:51:50,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:51:50,436 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:51:50,438 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:51:50,459 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2023-12-02 21:51:59,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-02 21:52:09,485 WARN L539 Checker$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 21:52:09,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:52:09,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 536 states and 776 transitions. [2023-12-02 21:52:09,515 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 776 transitions. [2023-12-02 21:52:09,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-02 21:52:09,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:52:09,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:52:09,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:52:09,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:52:09,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:52:09,564 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2023-12-02 21:52:11,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:52:11,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 536 states and 775 transitions. [2023-12-02 21:52:11,336 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 775 transitions. [2023-12-02 21:52:11,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-02 21:52:11,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:52:11,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:52:11,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:52:11,361 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:52:11,363 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:52:11,383 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2023-12-02 21:52:15,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:52:15,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 538 states and 779 transitions. [2023-12-02 21:52:15,121 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 779 transitions. [2023-12-02 21:52:15,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-02 21:52:15,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:52:15,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:52:15,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:52:15,147 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:52:15,148 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:52:15,170 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2023-12-02 21:52:15,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:52:15,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 540 states and 780 transitions. [2023-12-02 21:52:15,266 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 780 transitions. [2023-12-02 21:52:15,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-02 21:52:15,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:52:15,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:52:15,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:52:15,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:52:15,295 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:52:15,315 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-12-02 21:52:20,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:52:20,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 541 states and 781 transitions. [2023-12-02 21:52:20,841 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 781 transitions. [2023-12-02 21:52:20,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-02 21:52:20,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:52:20,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:52:20,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:52:20,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:52:20,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:52:20,883 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-12-02 21:52:26,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:52:26,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 543 states and 784 transitions. [2023-12-02 21:52:26,640 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 784 transitions. [2023-12-02 21:52:26,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-02 21:52:26,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:52:26,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:52:26,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:52:26,694 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:52:26,694 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:52:26,710 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-02 21:52:41,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:52:41,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 545 states and 787 transitions. [2023-12-02 21:52:41,507 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 787 transitions. [2023-12-02 21:52:41,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-02 21:52:41,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:52:41,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:52:41,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:52:41,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:52:41,534 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:52:41,550 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-12-02 21:52:47,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:52:47,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 547 states and 790 transitions. [2023-12-02 21:52:47,591 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 790 transitions. [2023-12-02 21:52:47,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-12-02 21:52:47,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:52:47,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:52:47,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:52:47,615 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:52:47,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:52:47,639 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2023-12-02 21:52:59,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:52:59,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 548 states and 791 transitions. [2023-12-02 21:52:59,229 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 791 transitions. [2023-12-02 21:52:59,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-02 21:52:59,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:52:59,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:52:59,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:52:59,251 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:52:59,252 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:52:59,274 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-12-02 21:53:05,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:53:05,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 548 states and 790 transitions. [2023-12-02 21:53:05,654 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 790 transitions. [2023-12-02 21:53:05,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-02 21:53:05,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:53:05,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:53:05,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:53:05,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 21:53:05,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:53:25,660 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 31 proven. 41 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:54:44,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:54:44,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 553 states and 802 transitions. [2023-12-02 21:54:44,598 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 802 transitions. [2023-12-02 21:54:44,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-02 21:54:44,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:54:44,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:54:44,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:54:44,635 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 21:54:44,637 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:54:56,019 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 31 proven. 41 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:55:20,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:20,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 561 states and 809 transitions. [2023-12-02 21:55:20,553 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 809 transitions. [2023-12-02 21:55:20,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-02 21:55:20,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:20,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:20,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:20,586 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 21:55:20,587 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:55:28,693 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 31 proven. 41 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 21:55:31,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:31,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 564 states and 811 transitions. [2023-12-02 21:55:31,398 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 811 transitions. [2023-12-02 21:55:31,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-02 21:55:31,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:31,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:31,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:31,429 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:55:31,430 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:55:33,072 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 2 proven. 73 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.