./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound2.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_c03d584c-3305-4229-b98b-64c4269d33a6/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c03d584c-3305-4229-b98b-64c4269d33a6/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_c03d584c-3305-4229-b98b-64c4269d33a6/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c03d584c-3305-4229-b98b-64c4269d33a6/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c03d584c-3305-4229-b98b-64c4269d33a6/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_c03d584c-3305-4229-b98b-64c4269d33a6/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 d2bc2a3f53718ecf47344b6d9b2d76a5698712f748ff03cd831a90a334f72c9d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:58:15,244 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:58:15,313 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c03d584c-3305-4229-b98b-64c4269d33a6/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-02 21:58:15,318 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:58:15,318 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:58:15,340 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:58:15,341 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:58:15,342 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:58:15,343 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:58:15,343 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:58:15,344 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:58:15,344 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:58:15,345 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:58:15,345 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:58:15,346 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:58:15,346 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:58:15,347 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:58:15,347 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:58:15,348 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:58:15,348 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 21:58:15,349 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:58:15,349 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:58:15,350 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:58:15,350 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:58:15,351 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:58:15,351 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:58:15,351 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:58:15,352 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:58:15,352 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:58:15,353 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:58:15,353 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:58:15,353 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:58:15,354 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:58:15,354 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:58:15,354 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:58:15,355 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_c03d584c-3305-4229-b98b-64c4269d33a6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c03d584c-3305-4229-b98b-64c4269d33a6/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2bc2a3f53718ecf47344b6d9b2d76a5698712f748ff03cd831a90a334f72c9d [2023-12-02 21:58:15,584 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:58:15,605 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:58:15,607 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:58:15,609 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:58:15,609 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:58:15,611 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c03d584c-3305-4229-b98b-64c4269d33a6/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound2.c [2023-12-02 21:58:18,432 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:58:18,589 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:58:18,589 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c03d584c-3305-4229-b98b-64c4269d33a6/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound2.c [2023-12-02 21:58:18,596 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c03d584c-3305-4229-b98b-64c4269d33a6/bin/ukojak-verify-Qdu7aM0XO9/data/e8b292d99/1e060b2ffd6b4cadaec2030d1e56d0bd/FLAG19a03f94c [2023-12-02 21:58:18,609 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c03d584c-3305-4229-b98b-64c4269d33a6/bin/ukojak-verify-Qdu7aM0XO9/data/e8b292d99/1e060b2ffd6b4cadaec2030d1e56d0bd [2023-12-02 21:58:18,611 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:58:18,613 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:58:18,614 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:58:18,614 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:58:18,618 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:58:18,618 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:58:18" (1/1) ... [2023-12-02 21:58:18,619 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5396129c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:18, skipping insertion in model container [2023-12-02 21:58:18,619 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:58:18" (1/1) ... [2023-12-02 21:58:18,637 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:58:18,776 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:58:18,786 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:58:18,803 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:58:18,815 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:58:18,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:18 WrapperNode [2023-12-02 21:58:18,816 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:58:18,817 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:58:18,817 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:58:18,817 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:58:18,823 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:18" (1/1) ... [2023-12-02 21:58:18,829 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:18" (1/1) ... [2023-12-02 21:58:18,850 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 65 [2023-12-02 21:58:18,851 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:58:18,852 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:58:18,852 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:58:18,852 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:58:18,860 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:18" (1/1) ... [2023-12-02 21:58:18,860 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:18" (1/1) ... [2023-12-02 21:58:18,862 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:18" (1/1) ... [2023-12-02 21:58:18,862 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:18" (1/1) ... [2023-12-02 21:58:18,866 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:18" (1/1) ... [2023-12-02 21:58:18,869 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:18" (1/1) ... [2023-12-02 21:58:18,870 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:18" (1/1) ... [2023-12-02 21:58:18,871 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:18" (1/1) ... [2023-12-02 21:58:18,874 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:58:18,875 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:58:18,875 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:58:18,875 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:58:18,876 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:58:18" (1/1) ... [2023-12-02 21:58:18,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:58:18,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c03d584c-3305-4229-b98b-64c4269d33a6/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:58:18,903 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c03d584c-3305-4229-b98b-64c4269d33a6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:58:18,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c03d584c-3305-4229-b98b-64c4269d33a6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:58:18,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:58:18,934 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 21:58:18,934 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 21:58:18,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:58:18,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:58:18,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:58:18,935 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 21:58:18,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 21:58:18,992 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:58:18,994 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:58:19,163 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:58:19,195 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:58:19,195 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 21:58:19,197 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:58:19 BoogieIcfgContainer [2023-12-02 21:58:19,197 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:58:19,198 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:58:19,198 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:58:19,209 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:58:19,209 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:58:19" (1/1) ... [2023-12-02 21:58:19,218 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:58:19,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:19,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 49 states and 54 transitions. [2023-12-02 21:58:19,267 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2023-12-02 21:58:19,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 21:58:19,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:19,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:19,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:19,394 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 21:58:19,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:58:19,566 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:58:19,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:19,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 51 states and 56 transitions. [2023-12-02 21:58:19,701 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 56 transitions. [2023-12-02 21:58:19,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 21:58:19,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:19,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:19,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:19,736 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 21:58:19,738 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:58:19,873 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 21:58:20,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:20,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 54 states and 61 transitions. [2023-12-02 21:58:20,199 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 61 transitions. [2023-12-02 21:58:20,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 21:58:20,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:20,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:20,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:20,231 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:58:20,232 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:58:20,300 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 21:58:20,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:20,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 58 states and 68 transitions. [2023-12-02 21:58:20,627 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 68 transitions. [2023-12-02 21:58:20,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 21:58:20,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:20,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:20,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:20,658 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:58:20,659 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:58:20,733 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 21:58:21,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:21,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 63 states and 77 transitions. [2023-12-02 21:58:21,245 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 77 transitions. [2023-12-02 21:58:21,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 21:58:21,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:21,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:21,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:21,273 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 21:58:21,275 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:58:21,367 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 21:58:22,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:22,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 69 states and 88 transitions. [2023-12-02 21:58:22,076 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 88 transitions. [2023-12-02 21:58:22,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 21:58:22,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:22,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:22,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:22,108 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-02 21:58:22,110 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:58:22,200 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 21:58:22,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:22,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 70 states and 89 transitions. [2023-12-02 21:58:22,230 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 89 transitions. [2023-12-02 21:58:22,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 21:58:22,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:22,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:22,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:22,258 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:58:22,259 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:58:22,316 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 21:58:22,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:22,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 73 states and 94 transitions. [2023-12-02 21:58:22,379 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 94 transitions. [2023-12-02 21:58:22,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 21:58:22,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:22,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:22,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:22,410 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:58:22,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:58:22,589 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 21:58:22,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:22,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 72 states and 93 transitions. [2023-12-02 21:58:22,721 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 93 transitions. [2023-12-02 21:58:22,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 21:58:22,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:22,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:22,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:22,748 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:58:22,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:58:22,874 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 21:58:23,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:23,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 81 states and 110 transitions. [2023-12-02 21:58:23,994 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 110 transitions. [2023-12-02 21:58:23,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 21:58:23,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:23,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:24,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:24,019 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:58:24,021 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:58:24,072 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 21:58:24,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:24,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 82 states and 113 transitions. [2023-12-02 21:58:24,131 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 113 transitions. [2023-12-02 21:58:24,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 21:58:24,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:24,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:24,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:24,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:58:24,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:58:24,276 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 21:58:26,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:26,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 91 states and 129 transitions. [2023-12-02 21:58:26,313 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 129 transitions. [2023-12-02 21:58:26,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-02 21:58:26,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:26,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:26,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:26,337 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:58:26,338 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:58:26,390 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 21:58:26,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:26,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 93 states and 134 transitions. [2023-12-02 21:58:26,551 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 134 transitions. [2023-12-02 21:58:26,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 21:58:26,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:26,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:26,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:26,575 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:58:26,577 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:58:26,633 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 21:58:27,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:27,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 95 states and 138 transitions. [2023-12-02 21:58:27,874 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 138 transitions. [2023-12-02 21:58:27,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-02 21:58:27,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:27,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:27,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:27,905 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:58:27,907 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:58:28,156 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 21:58:30,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:30,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 105 states and 157 transitions. [2023-12-02 21:58:30,781 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 157 transitions. [2023-12-02 21:58:30,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 21:58:30,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:30,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:30,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:30,813 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:58:30,814 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:58:31,057 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 21:58:34,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:34,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 116 states and 178 transitions. [2023-12-02 21:58:34,308 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 178 transitions. [2023-12-02 21:58:34,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-02 21:58:34,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:34,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:34,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:34,330 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:58:34,331 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:58:34,352 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 21:58:34,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:34,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 120 states and 188 transitions. [2023-12-02 21:58:34,841 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 188 transitions. [2023-12-02 21:58:34,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-02 21:58:34,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:34,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:34,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:34,865 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:58:34,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:58:34,899 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 21:58:35,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:35,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 123 states and 193 transitions. [2023-12-02 21:58:35,682 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 193 transitions. [2023-12-02 21:58:35,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 21:58:35,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:35,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:35,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:35,702 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:58:35,703 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:58:35,733 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 21:58:36,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:36,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 125 states and 196 transitions. [2023-12-02 21:58:36,193 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 196 transitions. [2023-12-02 21:58:36,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-02 21:58:36,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:36,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:36,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:36,218 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 21:58:36,219 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:58:36,693 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:58:39,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:39,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 137 states and 220 transitions. [2023-12-02 21:58:39,273 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 220 transitions. [2023-12-02 21:58:39,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-02 21:58:39,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:39,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:39,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:39,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:58:39,297 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:58:39,413 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 21:58:39,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:39,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 138 states and 221 transitions. [2023-12-02 21:58:39,717 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 221 transitions. [2023-12-02 21:58:39,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-02 21:58:39,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:39,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:39,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:39,739 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-02 21:58:39,740 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:58:40,152 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 21:58:42,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:42,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 152 states and 252 transitions. [2023-12-02 21:58:42,515 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 252 transitions. [2023-12-02 21:58:42,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-02 21:58:42,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:42,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:42,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:42,538 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:58:42,539 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:58:42,564 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 21:58:43,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:43,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 159 states and 261 transitions. [2023-12-02 21:58:43,817 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 261 transitions. [2023-12-02 21:58:43,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-02 21:58:43,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:43,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:43,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:43,837 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:58:43,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:58:43,863 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 21:58:44,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:44,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 163 states and 266 transitions. [2023-12-02 21:58:44,510 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 266 transitions. [2023-12-02 21:58:44,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-02 21:58:44,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:44,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:44,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:44,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:58:44,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:58:44,570 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 21:58:45,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:45,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 166 states and 270 transitions. [2023-12-02 21:58:45,219 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 270 transitions. [2023-12-02 21:58:45,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-02 21:58:45,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:45,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:45,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:45,243 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 21:58:45,244 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:58:45,887 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:58:49,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:49,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 176 states and 292 transitions. [2023-12-02 21:58:49,379 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 292 transitions. [2023-12-02 21:58:49,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-02 21:58:49,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:49,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:49,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:49,401 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:58:49,402 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:58:49,427 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 21:58:56,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:56,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 187 states and 312 transitions. [2023-12-02 21:58:56,793 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 312 transitions. [2023-12-02 21:58:56,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-02 21:58:56,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:56,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:56,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:56,813 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:58:56,814 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:58:56,835 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 21:58:59,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:58:59,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 190 states and 317 transitions. [2023-12-02 21:58:59,112 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 317 transitions. [2023-12-02 21:58:59,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-02 21:58:59,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:58:59,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:58:59,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:58:59,137 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-02 21:58:59,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:58:59,986 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:59:03,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:59:03,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 195 states and 331 transitions. [2023-12-02 21:59:03,323 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 331 transitions. [2023-12-02 21:59:03,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-02 21:59:03,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:59:03,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:59:03,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:59:03,347 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-02 21:59:03,348 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:59:03,798 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:59:04,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:59:04,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 201 states and 341 transitions. [2023-12-02 21:59:04,983 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 341 transitions. [2023-12-02 21:59:04,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-02 21:59:04,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:59:04,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:59:05,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:59:05,007 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:59:05,008 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:59:05,035 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 21:59:16,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:59:16,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 212 states and 361 transitions. [2023-12-02 21:59:16,352 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 361 transitions. [2023-12-02 21:59:16,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-02 21:59:16,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:59:16,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:59:16,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:59:16,372 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:59:16,373 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:59:16,414 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 21:59:19,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:59:19,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 215 states and 366 transitions. [2023-12-02 21:59:19,370 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 366 transitions. [2023-12-02 21:59:19,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 21:59:19,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:59:19,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:59:19,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:59:19,393 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 21:59:19,394 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:59:19,580 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:59:21,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:59:21,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 224 states and 378 transitions. [2023-12-02 21:59:21,120 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 378 transitions. [2023-12-02 21:59:21,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-12-02 21:59:21,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:59:21,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:59:21,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:59:21,140 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 21:59:21,141 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:59:21,208 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:59:22,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:59:22,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 225 states and 378 transitions. [2023-12-02 21:59:22,171 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 378 transitions. [2023-12-02 21:59:22,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-02 21:59:22,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:59:22,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:59:22,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:59:22,196 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 21:59:22,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:59:23,997 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:59:30,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:59:30,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 236 states and 398 transitions. [2023-12-02 21:59:30,869 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 398 transitions. [2023-12-02 21:59:30,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-12-02 21:59:30,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:59:30,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:59:30,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:59:30,894 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-02 21:59:30,895 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:59:31,487 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:59:32,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:59:32,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 237 states and 398 transitions. [2023-12-02 21:59:32,744 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 398 transitions. [2023-12-02 21:59:32,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-02 21:59:32,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:59:32,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:59:32,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:59:32,763 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:59:32,764 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:59:32,794 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 21:59:40,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:59:40,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 247 states and 415 transitions. [2023-12-02 21:59:40,459 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 415 transitions. [2023-12-02 21:59:40,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-02 21:59:40,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:59:40,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:59:40,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:59:40,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:59:40,512 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:59:40,550 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 21:59:45,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:59:45,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 250 states and 419 transitions. [2023-12-02 21:59:45,419 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 419 transitions. [2023-12-02 21:59:45,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-02 21:59:45,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:59:45,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:59:45,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:59:45,442 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:59:45,443 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:59:45,473 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 21:59:46,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:59:46,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 251 states and 419 transitions. [2023-12-02 21:59:46,891 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 419 transitions. [2023-12-02 21:59:46,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-02 21:59:46,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:59:46,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:59:46,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:59:46,914 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:59:46,916 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:59:46,948 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 22:00:06,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:00:06,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 264 states and 440 transitions. [2023-12-02 22:00:06,022 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 440 transitions. [2023-12-02 22:00:06,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-02 22:00:06,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:00:06,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:00:06,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:00:06,046 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 22:00:06,047 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:00:06,074 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 22:00:07,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:00:07,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 265 states and 440 transitions. [2023-12-02 22:00:07,893 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 440 transitions. [2023-12-02 22:00:07,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-12-02 22:00:07,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:00:07,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:00:07,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:00:07,913 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 22:00:07,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:00:07,948 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 22:00:07,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:00:07,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 260 states and 426 transitions. [2023-12-02 22:00:07,992 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 426 transitions. [2023-12-02 22:00:07,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-02 22:00:07,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:00:07,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:00:08,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:00:08,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 22:00:08,017 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:00:08,592 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 22:00:18,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:00:18,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 268 states and 443 transitions. [2023-12-02 22:00:18,560 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 443 transitions. [2023-12-02 22:00:18,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-12-02 22:00:18,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:00:18,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:00:18,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:00:18,582 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 22:00:18,583 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:00:18,841 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 22:00:32,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:00:32,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 277 states and 464 transitions. [2023-12-02 22:00:32,467 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 464 transitions. [2023-12-02 22:00:32,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-02 22:00:32,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:00:32,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:00:32,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:00:32,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 22:00:32,491 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:00:33,066 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 22:00:47,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:00:47,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 286 states and 482 transitions. [2023-12-02 22:00:47,304 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 482 transitions. [2023-12-02 22:00:47,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-02 22:00:47,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:00:47,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:00:47,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:00:47,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 22:00:47,324 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:00:47,751 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 22:01:03,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:01:03,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 295 states and 509 transitions. [2023-12-02 22:01:03,851 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 509 transitions. [2023-12-02 22:01:03,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-12-02 22:01:03,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:01:03,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:01:03,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:01:03,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 22:01:03,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:01:03,916 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 22:01:08,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:01:08,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 299 states and 517 transitions. [2023-12-02 22:01:08,515 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 517 transitions. [2023-12-02 22:01:08,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:01:08,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:01:08,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:01:08,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:01:08,537 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 22:01:08,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:01:08,547 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-02 22:01:09,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:01:09,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 299 states and 516 transitions. [2023-12-02 22:01:09,321 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 516 transitions. [2023-12-02 22:01:09,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:01:09,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:01:09,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:01:09,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:01:09,345 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:01:09,346 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:01:10,405 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 22:01:20,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:01:20,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 310 states and 538 transitions. [2023-12-02 22:01:20,490 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 538 transitions. [2023-12-02 22:01:20,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:01:20,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:01:20,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:01:20,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:01:20,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:01:20,513 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:01:20,998 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 22:01:33,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:01:33,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 318 states and 551 transitions. [2023-12-02 22:01:33,772 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 551 transitions. [2023-12-02 22:01:33,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:01:33,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:01:33,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:01:33,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:01:33,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 22:01:33,794 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:01:33,804 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-02 22:01:37,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:01:37,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 319 states and 552 transitions. [2023-12-02 22:01:37,021 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 552 transitions. [2023-12-02 22:01:37,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-12-02 22:01:37,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:01:37,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:01:37,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:01:37,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:01:37,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:01:37,127 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 22:01:40,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:01:40,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 324 states and 561 transitions. [2023-12-02 22:01:40,989 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 561 transitions. [2023-12-02 22:01:40,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-02 22:01:40,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:01:40,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:01:41,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:01:41,010 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:01:41,011 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:01:41,380 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 22:02:03,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:03,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 335 states and 587 transitions. [2023-12-02 22:02:03,295 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 587 transitions. [2023-12-02 22:02:03,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-02 22:02:03,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:03,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:02:03,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:03,313 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:02:03,313 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:03,348 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 22:02:06,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:06,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 339 states and 594 transitions. [2023-12-02 22:02:06,659 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 594 transitions. [2023-12-02 22:02:06,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-02 22:02:06,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:06,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:02:06,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:06,681 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:02:06,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:07,066 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 22:02:12,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:12,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 344 states and 603 transitions. [2023-12-02 22:02:12,183 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 603 transitions. [2023-12-02 22:02:12,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-02 22:02:12,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:12,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:02:12,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:12,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:02:12,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:12,599 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 22:02:13,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:13,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 348 states and 612 transitions. [2023-12-02 22:02:13,824 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 612 transitions. [2023-12-02 22:02:13,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-02 22:02:13,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:13,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:02:13,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:13,845 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:02:13,846 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:13,904 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 22:02:16,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:16,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 350 states and 617 transitions. [2023-12-02 22:02:16,110 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 617 transitions. [2023-12-02 22:02:16,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-12-02 22:02:16,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:16,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:02:16,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:16,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:02:16,133 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:16,169 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 22:02:17,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:17,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 351 states and 619 transitions. [2023-12-02 22:02:17,260 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 619 transitions. [2023-12-02 22:02:17,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-02 22:02:17,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:17,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:02:17,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:17,284 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 22:02:17,285 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:17,330 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 22:02:20,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:20,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 355 states and 626 transitions. [2023-12-02 22:02:20,154 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 626 transitions. [2023-12-02 22:02:20,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-02 22:02:20,155 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:20,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:02:20,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:20,181 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 22:02:20,182 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:20,228 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 22:02:24,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:24,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 357 states and 630 transitions. [2023-12-02 22:02:24,495 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 630 transitions. [2023-12-02 22:02:24,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-02 22:02:24,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:24,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:02:24,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:24,520 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 22:02:24,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:24,562 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 22:02:26,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:26,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 358 states and 631 transitions. [2023-12-02 22:02:26,625 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 631 transitions. [2023-12-02 22:02:26,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-02 22:02:26,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:26,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:02:26,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:26,647 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 22:02:26,648 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:26,682 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 22:02:34,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:34,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 367 states and 645 transitions. [2023-12-02 22:02:34,066 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 645 transitions. [2023-12-02 22:02:34,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-02 22:02:34,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:34,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:02:34,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:34,086 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 22:02:34,086 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:35,126 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 22:02:45,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:45,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 376 states and 683 transitions. [2023-12-02 22:02:45,817 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 683 transitions. [2023-12-02 22:02:45,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-02 22:02:45,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:45,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:02:45,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:45,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 22:02:45,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:45,950 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 22:02:47,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:47,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 378 states and 685 transitions. [2023-12-02 22:02:47,083 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 685 transitions. [2023-12-02 22:02:47,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-02 22:02:47,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:47,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:02:47,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:47,108 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 22:02:47,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:47,187 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 22:02:52,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:52,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 382 states and 695 transitions. [2023-12-02 22:02:52,299 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 695 transitions. [2023-12-02 22:02:52,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-02 22:02:52,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:52,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:02:52,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:52,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-02 22:02:52,323 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:54,156 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 19 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 22:03:08,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:03:08,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 389 states and 709 transitions. [2023-12-02 22:03:08,905 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 709 transitions. [2023-12-02 22:03:08,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-02 22:03:08,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:03:08,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:03:08,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:08,927 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 22:03:08,928 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:03:08,961 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 22:03:12,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:03:12,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 391 states and 713 transitions. [2023-12-02 22:03:12,344 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 713 transitions. [2023-12-02 22:03:12,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-02 22:03:12,344 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:03:12,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:03:12,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:12,364 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-02 22:03:12,365 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:03:12,433 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 19 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 22:03:15,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:03:15,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 394 states and 718 transitions. [2023-12-02 22:03:15,091 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 718 transitions. [2023-12-02 22:03:15,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-02 22:03:15,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:03:15,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:03:15,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:15,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-02 22:03:15,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:03:16,020 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 19 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 22:03:21,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:03:21,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 402 states and 731 transitions. [2023-12-02 22:03:21,793 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 731 transitions. [2023-12-02 22:03:21,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-02 22:03:21,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:03:21,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:03:21,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:21,817 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:03:21,818 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:03:21,892 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 19 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 22:03:24,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:03:24,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 404 states and 734 transitions. [2023-12-02 22:03:24,633 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 734 transitions. [2023-12-02 22:03:24,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-02 22:03:24,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:03:24,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:03:24,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:24,654 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 22:03:24,655 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:03:24,686 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 22:03:30,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:03:30,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 408 states and 740 transitions. [2023-12-02 22:03:30,101 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 740 transitions. [2023-12-02 22:03:30,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-02 22:03:30,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:03:30,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:03:30,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:30,122 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-02 22:03:30,123 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:03:30,588 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 19 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 22:03:35,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:03:35,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 415 states and 751 transitions. [2023-12-02 22:03:35,986 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 751 transitions. [2023-12-02 22:03:35,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 22:03:35,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:03:35,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:03:36,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:36,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 22:03:36,010 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:03:36,526 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 22:03:38,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:03:38,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 417 states and 756 transitions. [2023-12-02 22:03:38,121 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 756 transitions. [2023-12-02 22:03:38,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 22:03:38,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:03:38,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:03:38,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:38,139 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 22:03:38,140 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:03:38,148 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-02 22:03:40,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:03:40,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 418 states and 758 transitions. [2023-12-02 22:03:40,809 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 758 transitions. [2023-12-02 22:03:40,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 22:03:40,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:03:40,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:03:40,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:40,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 22:03:40,833 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:03:40,877 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 22:03:44,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:03:44,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 423 states and 766 transitions. [2023-12-02 22:03:44,933 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 766 transitions. [2023-12-02 22:03:44,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 22:03:44,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:03:44,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:03:44,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:44,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 22:03:44,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:03:44,963 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-02 22:03:45,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:03:45,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 423 states and 765 transitions. [2023-12-02 22:03:45,936 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 765 transitions. [2023-12-02 22:03:45,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 22:03:45,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:03:45,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:03:45,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:45,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 22:03:45,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:03:45,998 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 22:03:47,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:03:47,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 425 states and 768 transitions. [2023-12-02 22:03:47,974 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 768 transitions. [2023-12-02 22:03:47,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 22:03:47,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:03:47,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:03:47,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:47,997 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 22:03:47,998 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:03:48,034 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 22:03:50,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:03:50,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 428 states and 773 transitions. [2023-12-02 22:03:50,263 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 773 transitions. [2023-12-02 22:03:50,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 22:03:50,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:03:50,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:03:50,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:50,286 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 22:03:50,287 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:03:50,306 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-12-02 22:03:50,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:03:50,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 429 states and 774 transitions. [2023-12-02 22:03:50,721 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 774 transitions. [2023-12-02 22:03:50,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 22:03:50,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:03:50,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:03:50,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:50,743 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 22:03:50,744 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:03:50,763 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-12-02 22:03:51,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:03:51,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 430 states and 775 transitions. [2023-12-02 22:03:51,685 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 775 transitions. [2023-12-02 22:03:51,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-02 22:03:51,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:03:51,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:03:51,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:51,706 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:03:51,707 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:03:52,088 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 22:03:53,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:03:53,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 432 states and 778 transitions. [2023-12-02 22:03:53,369 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 778 transitions. [2023-12-02 22:03:53,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-02 22:03:53,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:03:53,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:03:53,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:53,389 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:03:53,390 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:03:53,803 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 22:04:00,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:04:00,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 439 states and 789 transitions. [2023-12-02 22:04:00,658 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 789 transitions. [2023-12-02 22:04:00,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-02 22:04:00,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:04:00,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:04:00,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:04:00,678 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:04:00,679 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:04:00,710 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 22:04:04,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:04:04,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 443 states and 795 transitions. [2023-12-02 22:04:04,131 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 795 transitions. [2023-12-02 22:04:04,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 22:04:04,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:04:04,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:04:04,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:04:04,153 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 22:04:04,154 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:04:04,195 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 22:04:05,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:04:05,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 872 states to 444 states and 796 transitions. [2023-12-02 22:04:05,413 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 796 transitions. [2023-12-02 22:04:05,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 22:04:05,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:04:05,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:04:05,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:04:05,436 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 22:04:05,436 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:04:05,476 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 22:04:06,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:04:06,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 872 states to 445 states and 796 transitions. [2023-12-02 22:04:06,528 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 796 transitions. [2023-12-02 22:04:06,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:04:06,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:04:06,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:04:06,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:04:06,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 22:04:06,548 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:04:08,440 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 19 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 22:04:14,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:04:14,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 448 states and 800 transitions. [2023-12-02 22:04:14,277 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 800 transitions. [2023-12-02 22:04:14,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:04:14,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:04:14,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:04:14,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:04:14,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 22:04:14,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:04:14,818 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 19 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 22:04:17,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:04:17,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 452 states and 807 transitions. [2023-12-02 22:04:17,395 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 807 transitions. [2023-12-02 22:04:17,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:04:17,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:04:17,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:04:17,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:04:17,415 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 22:04:17,416 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:04:17,904 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 19 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 22:04:21,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:04:21,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 456 states and 813 transitions. [2023-12-02 22:04:21,317 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 813 transitions. [2023-12-02 22:04:21,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:04:21,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:04:21,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:04:21,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:04:21,337 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 22:04:21,338 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:04:21,809 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 19 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 22:04:22,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:04:22,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 460 states and 817 transitions. [2023-12-02 22:04:22,955 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 817 transitions. [2023-12-02 22:04:22,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:04:22,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:04:22,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:04:22,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:04:22,980 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 22:04:22,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:04:23,468 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 19 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 22:04:24,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:04:24,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 462 states and 819 transitions. [2023-12-02 22:04:24,591 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 819 transitions. [2023-12-02 22:04:24,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-02 22:04:24,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:04:24,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:04:24,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:04:24,615 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 38 conjunts are in the unsatisfiable core [2023-12-02 22:04:24,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:04:32,326 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 22:04:51,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:04:51,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 476 states and 837 transitions. [2023-12-02 22:04:51,296 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 837 transitions. [2023-12-02 22:04:51,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 22:04:51,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:04:51,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:04:51,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:04:51,321 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 22:04:51,322 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:04:55,381 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 23 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-02 22:04:57,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:04:57,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 478 states and 840 transitions. [2023-12-02 22:04:57,353 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 840 transitions. [2023-12-02 22:04:57,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-12-02 22:04:57,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:04:57,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:04:57,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:04:57,375 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 22:04:57,376 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:04:57,426 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-02 22:04:57,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:04:57,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 478 states and 839 transitions. [2023-12-02 22:04:57,596 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 839 transitions. [2023-12-02 22:04:57,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-02 22:04:57,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:04:57,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:04:57,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:04:57,617 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 22:04:57,618 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:04:57,667 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-12-02 22:04:57,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:04:57,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 478 states and 838 transitions. [2023-12-02 22:04:57,767 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 838 transitions. [2023-12-02 22:04:57,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-12-02 22:04:57,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:04:57,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:04:57,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:04:57,799 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 22:04:57,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:05:02,071 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 25 proven. 25 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 22:05:04,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:05:04,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 937 states to 88 states and 110 transitions. [2023-12-02 22:05:04,897 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 110 transitions. [2023-12-02 22:05:04,897 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 22:05:04,897 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 95 iterations. [2023-12-02 22:05:04,905 INFO L751 CodeCheckObserver]: All specifications hold 16 specifications checked. All of them hold [2023-12-02 22:05:09,578 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 22:05:09,581 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 22:05:09,582 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:05:09 ImpRootNode [2023-12-02 22:05:09,582 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:05:09,582 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:05:09,582 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:05:09,582 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:05:09,583 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:58:19" (3/4) ... [2023-12-02 22:05:09,584 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 22:05:09,586 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-12-02 22:05:09,586 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-12-02 22:05:09,589 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-12-02 22:05:09,590 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-12-02 22:05:09,590 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-02 22:05:09,590 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 22:05:09,656 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c03d584c-3305-4229-b98b-64c4269d33a6/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 22:05:09,657 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c03d584c-3305-4229-b98b-64c4269d33a6/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-02 22:05:09,657 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:05:09,657 INFO L158 Benchmark]: Toolchain (without parser) took 411044.74ms. Allocated memory was 146.8MB in the beginning and 1.0GB in the end (delta: 857.7MB). Free memory was 108.8MB in the beginning and 552.4MB in the end (delta: -443.6MB). Peak memory consumption was 416.7MB. Max. memory is 16.1GB. [2023-12-02 22:05:09,658 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 109.1MB. Free memory is still 57.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:05:09,658 INFO L158 Benchmark]: CACSL2BoogieTranslator took 202.36ms. Allocated memory is still 146.8MB. Free memory was 108.8MB in the beginning and 98.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 22:05:09,658 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.29ms. Allocated memory is still 146.8MB. Free memory was 98.3MB in the beginning and 96.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:05:09,659 INFO L158 Benchmark]: Boogie Preprocessor took 22.17ms. Allocated memory is still 146.8MB. Free memory was 96.6MB in the beginning and 95.7MB in the end (delta: 894.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:05:09,659 INFO L158 Benchmark]: RCFGBuilder took 322.91ms. Allocated memory is still 146.8MB. Free memory was 95.3MB in the beginning and 81.5MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 22:05:09,659 INFO L158 Benchmark]: CodeCheck took 410383.41ms. Allocated memory was 146.8MB in the beginning and 1.0GB in the end (delta: 857.7MB). Free memory was 81.5MB in the beginning and 557.6MB in the end (delta: -476.1MB). Peak memory consumption was 385.2MB. Max. memory is 16.1GB. [2023-12-02 22:05:09,660 INFO L158 Benchmark]: Witness Printer took 74.69ms. Allocated memory is still 1.0GB. Free memory was 557.6MB in the beginning and 552.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 22:05:09,662 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 49 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 405.7s, OverallIterations: 95, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 56627 SdHoareTripleChecker+Valid, 376.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 52965 mSDsluCounter, 21108 SdHoareTripleChecker+Invalid, 350.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14836 mSDsCounter, 19388 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 148699 IncrementalHoareTripleChecker+Invalid, 168087 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19388 mSolverCounterUnsat, 6272 mSDtfsCounter, 148699 mSolverCounterSat, 2.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 39867 GetRequests, 37134 SyntacticMatches, 1501 SemanticMatches, 1232 ConstructedPredicates, 0 IntricatePredicates, 2 DeprecatedPredicates, 1005382 ImplicationChecksByTransitivity, 384.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 39.2s InterpolantComputationTime, 3704 NumberOfCodeBlocks, 3704 NumberOfCodeBlocksAsserted, 94 NumberOfCheckSat, 3610 ConstructedInterpolants, 1 QuantifiedInterpolants, 15177 SizeOfPredicates, 102 NumberOfNonLiveVariables, 9152 ConjunctsInSsa, 644 ConjunctsInUnsatCore, 94 InterpolantComputations, 58 PerfectInterpolantSequences, 1324/1575 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 16 specifications checked. All of them hold - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 109.1MB. Free memory is still 57.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 202.36ms. Allocated memory is still 146.8MB. Free memory was 108.8MB in the beginning and 98.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.29ms. Allocated memory is still 146.8MB. Free memory was 98.3MB in the beginning and 96.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.17ms. Allocated memory is still 146.8MB. Free memory was 96.6MB in the beginning and 95.7MB in the end (delta: 894.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 322.91ms. Allocated memory is still 146.8MB. Free memory was 95.3MB in the beginning and 81.5MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 410383.41ms. Allocated memory was 146.8MB in the beginning and 1.0GB in the end (delta: 857.7MB). Free memory was 81.5MB in the beginning and 557.6MB in the end (delta: -476.1MB). Peak memory consumption was 385.2MB. Max. memory is 16.1GB. * Witness Printer took 74.69ms. Allocated memory is still 1.0GB. Free memory was 557.6MB in the beginning and 552.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-02 22:05:09,873 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c03d584c-3305-4229-b98b-64c4269d33a6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-02 22:05:09,900 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c03d584c-3305-4229-b98b-64c4269d33a6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE