./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_ac365461-da4d-4077-ba4c-531e3c4e0249/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac365461-da4d-4077-ba4c-531e3c4e0249/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac365461-da4d-4077-ba4c-531e3c4e0249/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac365461-da4d-4077-ba4c-531e3c4e0249/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac365461-da4d-4077-ba4c-531e3c4e0249/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac365461-da4d-4077-ba4c-531e3c4e0249/bin/ukojak-verify-i0I2FZA1j2 --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 07777b75ead5ca82f9efe60a3e787c338f0f6d537d953087b187c05d2a960d83 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:47:03,103 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:47:03,259 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac365461-da4d-4077-ba4c-531e3c4e0249/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:47:03,269 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:47:03,271 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:47:03,319 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:47:03,322 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:47:03,322 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:47:03,324 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:47:03,330 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:47:03,331 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:47:03,331 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:47:03,332 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:47:03,334 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:47:03,335 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:47:03,335 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:47:03,336 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:47:03,336 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:47:03,337 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:47:03,338 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:47:03,365 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:47:03,365 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:47:03,366 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:47:03,366 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:47:03,367 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:47:03,368 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:47:03,368 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:47:03,369 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:47:03,369 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:47:03,370 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:47:03,370 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:47:03,371 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:47:03,371 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:47:03,372 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:47:03,372 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:47:03,372 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_ac365461-da4d-4077-ba4c-531e3c4e0249/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac365461-da4d-4077-ba4c-531e3c4e0249/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07777b75ead5ca82f9efe60a3e787c338f0f6d537d953087b187c05d2a960d83 [2023-11-21 18:47:03,757 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:47:03,794 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:47:03,797 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:47:03,799 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:47:03,800 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:47:03,802 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac365461-da4d-4077-ba4c-531e3c4e0249/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound50.c [2023-11-21 18:47:07,061 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:47:07,373 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:47:07,374 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac365461-da4d-4077-ba4c-531e3c4e0249/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound50.c [2023-11-21 18:47:07,385 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac365461-da4d-4077-ba4c-531e3c4e0249/bin/ukojak-verify-i0I2FZA1j2/data/b4311c9c3/94d670e054b14158b674a2b5b6361818/FLAG53bb82d59 [2023-11-21 18:47:07,405 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac365461-da4d-4077-ba4c-531e3c4e0249/bin/ukojak-verify-i0I2FZA1j2/data/b4311c9c3/94d670e054b14158b674a2b5b6361818 [2023-11-21 18:47:07,412 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:47:07,415 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:47:07,419 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:47:07,420 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:47:07,428 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:47:07,429 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:47:07" (1/1) ... [2023-11-21 18:47:07,431 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a70d9c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:07, skipping insertion in model container [2023-11-21 18:47:07,431 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:47:07" (1/1) ... [2023-11-21 18:47:07,475 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:47:07,675 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:47:07,688 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:47:07,718 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:47:07,733 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:47:07,734 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:07 WrapperNode [2023-11-21 18:47:07,734 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:47:07,735 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:47:07,736 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:47:07,736 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:47:07,746 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:07" (1/1) ... [2023-11-21 18:47:07,755 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:07" (1/1) ... [2023-11-21 18:47:07,789 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 110 [2023-11-21 18:47:07,790 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:47:07,791 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:47:07,791 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:47:07,791 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:47:07,803 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:07" (1/1) ... [2023-11-21 18:47:07,804 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:07" (1/1) ... [2023-11-21 18:47:07,806 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:07" (1/1) ... [2023-11-21 18:47:07,807 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:07" (1/1) ... [2023-11-21 18:47:07,814 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:07" (1/1) ... [2023-11-21 18:47:07,818 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:07" (1/1) ... [2023-11-21 18:47:07,821 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:07" (1/1) ... [2023-11-21 18:47:07,822 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:07" (1/1) ... [2023-11-21 18:47:07,825 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:47:07,827 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:47:07,827 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:47:07,827 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:47:07,828 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:07" (1/1) ... [2023-11-21 18:47:07,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:47:07,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac365461-da4d-4077-ba4c-531e3c4e0249/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:47:07,866 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac365461-da4d-4077-ba4c-531e3c4e0249/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:47:07,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac365461-da4d-4077-ba4c-531e3c4e0249/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:47:07,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:47:07,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:47:07,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:47:07,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:47:07,926 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:47:07,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:47:07,997 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:47:07,999 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:47:08,522 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:47:08,595 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:47:08,595 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:47:08,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:47:08 BoogieIcfgContainer [2023-11-21 18:47:08,597 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:47:08,598 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:47:08,598 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:47:08,610 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:47:08,610 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:47:08" (1/1) ... [2023-11-21 18:47:08,621 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:47:08,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:08,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 102 states and 109 transitions. [2023-11-21 18:47:08,682 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 109 transitions. [2023-11-21 18:47:08,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:47:08,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:08,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:08,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:08,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:08,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:47:08,891 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:08,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:08,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:08,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 102 states and 108 transitions. [2023-11-21 18:47:08,943 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 108 transitions. [2023-11-21 18:47:08,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:47:08,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:08,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:08,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:09,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:09,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:09,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 104 states and 114 transitions. [2023-11-21 18:47:09,180 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 114 transitions. [2023-11-21 18:47:09,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:47:09,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:09,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:09,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:09,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:09,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:09,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 107 states and 121 transitions. [2023-11-21 18:47:09,411 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 121 transitions. [2023-11-21 18:47:09,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:47:09,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:09,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:09,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:09,449 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:47:09,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:09,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:09,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:09,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 108 states and 122 transitions. [2023-11-21 18:47:09,529 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 122 transitions. [2023-11-21 18:47:09,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:47:09,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:09,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:09,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:09,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:47:09,560 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:09,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:10,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:10,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 113 states and 133 transitions. [2023-11-21 18:47:10,162 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 133 transitions. [2023-11-21 18:47:10,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:47:10,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:10,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:10,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:10,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:47:10,214 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:10,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:11,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:11,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 119 states and 146 transitions. [2023-11-21 18:47:11,028 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 146 transitions. [2023-11-21 18:47:11,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:47:11,028 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:11,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:11,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:11,052 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:47:11,054 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:11,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:12,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:12,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 126 states and 159 transitions. [2023-11-21 18:47:12,182 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 159 transitions. [2023-11-21 18:47:12,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:47:12,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:12,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:12,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:12,206 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:47:12,208 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:12,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:12,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:12,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 128 states and 162 transitions. [2023-11-21 18:47:12,507 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 162 transitions. [2023-11-21 18:47:12,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:47:12,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:12,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:12,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:12,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:47:12,541 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:12,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:14,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:14,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 137 states and 178 transitions. [2023-11-21 18:47:14,087 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 178 transitions. [2023-11-21 18:47:14,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:47:14,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:14,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:14,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:14,110 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:47:14,111 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:14,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:16,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:16,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 147 states and 196 transitions. [2023-11-21 18:47:16,128 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 196 transitions. [2023-11-21 18:47:16,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:47:16,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:16,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:16,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:16,159 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:47:16,160 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:16,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:18,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:18,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 158 states and 216 transitions. [2023-11-21 18:47:18,758 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 216 transitions. [2023-11-21 18:47:18,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:47:18,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:18,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:18,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:18,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:47:18,793 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:18,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:21,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:21,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 170 states and 238 transitions. [2023-11-21 18:47:21,820 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 238 transitions. [2023-11-21 18:47:21,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:47:21,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:21,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:21,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:21,842 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:47:21,843 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:21,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:22,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:22,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 173 states and 244 transitions. [2023-11-21 18:47:22,284 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 244 transitions. [2023-11-21 18:47:22,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:47:22,285 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:22,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:22,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:22,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:47:22,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:22,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:22,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:22,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 175 states and 246 transitions. [2023-11-21 18:47:22,638 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 246 transitions. [2023-11-21 18:47:22,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:47:22,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:22,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:22,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:22,685 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:47:22,687 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:22,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:25,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:25,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 184 states and 264 transitions. [2023-11-21 18:47:25,063 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 264 transitions. [2023-11-21 18:47:25,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:47:25,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:25,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:25,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:25,090 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:47:25,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:25,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:27,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:27,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 193 states and 283 transitions. [2023-11-21 18:47:27,566 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 283 transitions. [2023-11-21 18:47:27,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:47:27,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:27,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:27,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:27,588 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:47:27,590 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:27,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:27,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:27,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 192 states and 282 transitions. [2023-11-21 18:47:27,807 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 282 transitions. [2023-11-21 18:47:27,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:47:27,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:27,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:27,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:27,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:47:27,845 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:28,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:31,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:31,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 202 states and 303 transitions. [2023-11-21 18:47:31,455 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 303 transitions. [2023-11-21 18:47:31,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:47:31,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:31,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:31,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:31,476 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:47:31,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:31,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:31,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:31,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 205 states and 307 transitions. [2023-11-21 18:47:31,870 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 307 transitions. [2023-11-21 18:47:31,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:47:31,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:31,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:31,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:31,897 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:47:31,898 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:31,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:31,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:31,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 208 states and 311 transitions. [2023-11-21 18:47:31,975 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 311 transitions. [2023-11-21 18:47:31,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:47:31,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:31,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:31,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:31,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:47:31,998 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:32,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:32,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:32,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 207 states and 310 transitions. [2023-11-21 18:47:32,238 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 310 transitions. [2023-11-21 18:47:32,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:47:32,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:32,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:32,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:32,287 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:47:32,288 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:32,529 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:47:43,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:43,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 217 states and 327 transitions. [2023-11-21 18:47:43,243 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 327 transitions. [2023-11-21 18:47:43,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:47:43,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:43,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:43,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:43,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:47:43,267 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:43,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:48,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:48,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 228 states and 350 transitions. [2023-11-21 18:47:48,021 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 350 transitions. [2023-11-21 18:47:48,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:47:48,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:48,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:48,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:48,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:47:48,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:48,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:52,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:52,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 239 states and 372 transitions. [2023-11-21 18:47:52,379 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 372 transitions. [2023-11-21 18:47:52,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:47:52,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:52,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:52,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:52,398 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:47:52,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:52,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:52,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:52,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 242 states and 376 transitions. [2023-11-21 18:47:52,476 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 376 transitions. [2023-11-21 18:47:52,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:47:52,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:52,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:52,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:52,500 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:47:52,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:52,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:53,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:53,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 246 states and 385 transitions. [2023-11-21 18:47:53,671 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 385 transitions. [2023-11-21 18:47:53,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:47:53,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:53,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:53,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:53,694 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:47:53,695 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:54,017 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:47:56,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:56,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 251 states and 391 transitions. [2023-11-21 18:47:56,491 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 391 transitions. [2023-11-21 18:47:56,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:47:56,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:56,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:56,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:56,515 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:47:56,516 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:56,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:58,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:58,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 256 states and 401 transitions. [2023-11-21 18:47:58,446 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 401 transitions. [2023-11-21 18:47:58,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:47:58,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:58,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:58,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:58,467 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:47:58,468 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:58,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:59,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:59,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 260 states and 407 transitions. [2023-11-21 18:47:59,989 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 407 transitions. [2023-11-21 18:47:59,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:47:59,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:59,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:00,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:00,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:48:00,017 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:00,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:48:00,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:00,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 264 states and 414 transitions. [2023-11-21 18:48:00,625 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 414 transitions. [2023-11-21 18:48:00,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:48:00,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:00,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:48:00,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:00,646 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:48:00,647 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:00,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.