./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_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_080a7286-2a2a-4d60-a8c9-e9737e62b9d6/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080a7286-2a2a-4d60-a8c9-e9737e62b9d6/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_080a7286-2a2a-4d60-a8c9-e9737e62b9d6/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080a7286-2a2a-4d60-a8c9-e9737e62b9d6/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080a7286-2a2a-4d60-a8c9-e9737e62b9d6/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_080a7286-2a2a-4d60-a8c9-e9737e62b9d6/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 6ac61a60e8702da390cdc74b87fa3424e0fd152a4ccfcd2c9fd7af24a4bb7ac5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:43:57,911 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:43:57,994 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080a7286-2a2a-4d60-a8c9-e9737e62b9d6/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:43:58,000 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:43:58,001 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:43:58,030 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:43:58,031 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:43:58,032 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:43:58,033 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:43:58,034 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:43:58,035 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:43:58,035 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:43:58,036 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:43:58,036 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:43:58,037 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:43:58,038 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:43:58,038 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:43:58,039 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:43:58,039 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:43:58,040 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:43:58,041 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:43:58,042 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:43:58,042 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:43:58,043 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:43:58,043 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:43:58,044 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:43:58,045 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:43:58,045 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:43:58,046 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:43:58,047 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:43:58,047 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:43:58,048 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:43:58,048 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:43:58,049 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:43:58,050 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:43:58,050 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_080a7286-2a2a-4d60-a8c9-e9737e62b9d6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080a7286-2a2a-4d60-a8c9-e9737e62b9d6/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6ac61a60e8702da390cdc74b87fa3424e0fd152a4ccfcd2c9fd7af24a4bb7ac5 [2023-11-21 18:43:58,359 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:43:58,395 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:43:58,398 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:43:58,400 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:43:58,400 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:43:58,402 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080a7286-2a2a-4d60-a8c9-e9737e62b9d6/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound50.c [2023-11-21 18:44:01,703 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:44:01,920 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:44:01,920 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080a7286-2a2a-4d60-a8c9-e9737e62b9d6/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound50.c [2023-11-21 18:44:01,926 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080a7286-2a2a-4d60-a8c9-e9737e62b9d6/bin/ukojak-verify-i0I2FZA1j2/data/de07f8aca/27d85760fe9d45c79d1cf564b4413558/FLAG14ef2f9c9 [2023-11-21 18:44:01,940 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080a7286-2a2a-4d60-a8c9-e9737e62b9d6/bin/ukojak-verify-i0I2FZA1j2/data/de07f8aca/27d85760fe9d45c79d1cf564b4413558 [2023-11-21 18:44:01,943 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:44:01,944 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:44:01,946 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:44:01,946 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:44:01,956 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:44:01,960 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:44:01" (1/1) ... [2023-11-21 18:44:01,961 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1467c4e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:01, skipping insertion in model container [2023-11-21 18:44:01,962 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:44:01" (1/1) ... [2023-11-21 18:44:01,990 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:44:02,164 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:44:02,175 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:44:02,198 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:44:02,213 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:44:02,214 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:02 WrapperNode [2023-11-21 18:44:02,214 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:44:02,215 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:44:02,216 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:44:02,216 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:44:02,224 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:02" (1/1) ... [2023-11-21 18:44:02,231 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:02" (1/1) ... [2023-11-21 18:44:02,254 INFO L138 Inliner]: procedures = 14, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 90 [2023-11-21 18:44:02,255 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:44:02,255 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:44:02,256 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:44:02,256 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:44:02,266 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:02" (1/1) ... [2023-11-21 18:44:02,266 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:02" (1/1) ... [2023-11-21 18:44:02,268 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:02" (1/1) ... [2023-11-21 18:44:02,269 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:02" (1/1) ... [2023-11-21 18:44:02,273 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:02" (1/1) ... [2023-11-21 18:44:02,277 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:02" (1/1) ... [2023-11-21 18:44:02,278 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:02" (1/1) ... [2023-11-21 18:44:02,280 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:02" (1/1) ... [2023-11-21 18:44:02,282 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:44:02,283 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:44:02,283 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:44:02,283 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:44:02,284 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:44:02" (1/1) ... [2023-11-21 18:44:02,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:44:02,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080a7286-2a2a-4d60-a8c9-e9737e62b9d6/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:44:02,316 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080a7286-2a2a-4d60-a8c9-e9737e62b9d6/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:44:02,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_080a7286-2a2a-4d60-a8c9-e9737e62b9d6/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:44:02,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:44:02,364 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:44:02,364 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:44:02,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:44:02,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:44:02,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:44:02,366 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:44:02,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:44:02,450 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:44:02,452 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:44:02,723 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:44:02,774 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:44:02,775 INFO L308 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-21 18:44:02,776 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:44:02 BoogieIcfgContainer [2023-11-21 18:44:02,777 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:44:02,778 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:44:02,778 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:44:02,789 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:44:02,790 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:44:02" (1/1) ... [2023-11-21 18:44:02,797 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:44:02,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:02,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 38 states and 53 transitions. [2023-11-21 18:44:02,862 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2023-11-21 18:44:02,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:44:02,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:02,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:02,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:03,209 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:44:03,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:03,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 40 states and 55 transitions. [2023-11-21 18:44:03,344 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 55 transitions. [2023-11-21 18:44:03,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:44:03,344 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:03,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:03,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:03,503 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:44:03,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:03,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 41 states and 56 transitions. [2023-11-21 18:44:03,527 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2023-11-21 18:44:03,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:44:03,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:03,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:03,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:03,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:44:03,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:03,719 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:44:03,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:03,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 48 states and 74 transitions. [2023-11-21 18:44:03,877 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 74 transitions. [2023-11-21 18:44:03,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:44:03,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:03,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:03,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:03,929 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:44:03,932 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:04,065 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:44:04,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:04,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 56 states and 93 transitions. [2023-11-21 18:44:04,335 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 93 transitions. [2023-11-21 18:44:04,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:44:04,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:04,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:04,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:04,405 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:44:04,410 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:04,510 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:44:04,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:04,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 57 states and 94 transitions. [2023-11-21 18:44:04,561 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 94 transitions. [2023-11-21 18:44:04,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:44:04,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:04,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:04,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:04,626 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:44:04,631 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:04,734 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:44:04,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:04,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 63 states and 102 transitions. [2023-11-21 18:44:04,916 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 102 transitions. [2023-11-21 18:44:04,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:44:04,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:04,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:04,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:04,973 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:44:04,975 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:05,092 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:44:05,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:05,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 70 states and 121 transitions. [2023-11-21 18:44:05,447 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 121 transitions. [2023-11-21 18:44:05,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:44:05,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:05,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:05,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:05,518 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:44:05,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:05,685 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:44:06,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:06,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 73 states and 126 transitions. [2023-11-21 18:44:06,140 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 126 transitions. [2023-11-21 18:44:06,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:44:06,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:06,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:06,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:06,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:44:06,181 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:06,247 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:44:06,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:06,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 74 states and 127 transitions. [2023-11-21 18:44:06,292 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 127 transitions. [2023-11-21 18:44:06,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:44:06,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:06,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:06,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:06,331 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:44:06,333 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:06,430 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:44:06,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:06,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 78 states and 134 transitions. [2023-11-21 18:44:06,753 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 134 transitions. [2023-11-21 18:44:06,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:44:06,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:06,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:06,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:06,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:44:06,794 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:07,033 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-21 18:44:08,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:08,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 90 states and 160 transitions. [2023-11-21 18:44:08,907 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 160 transitions. [2023-11-21 18:44:08,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:44:08,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:08,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:08,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:08,948 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:44:08,951 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:09,082 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:44:09,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:09,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 94 states and 163 transitions. [2023-11-21 18:44:09,861 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 163 transitions. [2023-11-21 18:44:09,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:44:09,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:09,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:09,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:09,906 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:44:09,908 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:10,382 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:44:11,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:11,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 98 states and 174 transitions. [2023-11-21 18:44:11,349 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 174 transitions. [2023-11-21 18:44:11,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:44:11,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:11,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:11,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:11,387 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:44:11,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:11,550 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:44:11,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:11,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 98 states and 171 transitions. [2023-11-21 18:44:11,817 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 171 transitions. [2023-11-21 18:44:11,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:44:11,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:11,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:11,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:11,875 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:44:11,878 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:12,118 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:44:13,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:13,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 105 states and 191 transitions. [2023-11-21 18:44:13,325 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 191 transitions. [2023-11-21 18:44:13,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:44:13,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:13,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:13,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:13,364 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:44:13,365 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:13,407 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:44:13,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:13,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 107 states and 193 transitions. [2023-11-21 18:44:13,713 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 193 transitions. [2023-11-21 18:44:13,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:44:13,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:13,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:13,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:13,753 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:44:13,754 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:13,963 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:44:14,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:14,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 111 states and 209 transitions. [2023-11-21 18:44:14,708 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 209 transitions. [2023-11-21 18:44:14,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:44:14,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:14,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:14,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:14,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:44:14,779 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:14,922 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:44:16,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:16,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 117 states and 220 transitions. [2023-11-21 18:44:16,077 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 220 transitions. [2023-11-21 18:44:16,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:44:16,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:16,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:16,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:16,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:44:16,116 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:16,183 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:44:16,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:16,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 121 states and 231 transitions. [2023-11-21 18:44:16,682 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 231 transitions. [2023-11-21 18:44:16,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:44:16,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:16,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:16,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:16,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:44:16,740 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:17,050 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:44:18,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:18,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 123 states and 236 transitions. [2023-11-21 18:44:18,090 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 236 transitions. [2023-11-21 18:44:18,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:44:18,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:18,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:18,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:18,128 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:44:18,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:18,406 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:44:19,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:19,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 127 states and 240 transitions. [2023-11-21 18:44:19,579 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 240 transitions. [2023-11-21 18:44:19,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:44:19,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:19,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:19,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:19,617 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:44:19,619 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:19,899 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:44:20,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:20,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 127 states and 235 transitions. [2023-11-21 18:44:20,206 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 235 transitions. [2023-11-21 18:44:20,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:44:20,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:20,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:20,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:20,246 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:44:20,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:20,510 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:44:21,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:21,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 127 states and 234 transitions. [2023-11-21 18:44:21,056 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 234 transitions. [2023-11-21 18:44:21,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:44:21,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:21,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:21,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:21,101 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:44:21,102 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:21,324 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:44:22,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:22,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 132 states and 243 transitions. [2023-11-21 18:44:22,456 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 243 transitions. [2023-11-21 18:44:22,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:44:22,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:22,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:22,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:22,498 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:44:22,500 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:22,581 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:44:22,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:22,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 132 states and 242 transitions. [2023-11-21 18:44:22,992 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 242 transitions. [2023-11-21 18:44:22,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:44:22,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:22,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:23,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:23,033 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:44:23,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:23,225 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:44:23,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:23,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 136 states and 258 transitions. [2023-11-21 18:44:23,738 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 258 transitions. [2023-11-21 18:44:23,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:44:23,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:23,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:23,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:23,782 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:44:23,784 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:23,873 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 2 proven. 26 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:44:24,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:24,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 142 states and 273 transitions. [2023-11-21 18:44:24,704 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 273 transitions. [2023-11-21 18:44:24,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:44:24,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:24,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:24,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:24,778 INFO L262 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:44:24,780 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:24,860 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:44:25,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:25,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 146 states and 285 transitions. [2023-11-21 18:44:25,564 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 285 transitions. [2023-11-21 18:44:25,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:44:25,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:25,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:25,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:25,614 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:44:25,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:25,986 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:44:26,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:26,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 154 states and 307 transitions. [2023-11-21 18:44:26,934 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 307 transitions. [2023-11-21 18:44:26,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:44:26,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:26,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:26,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:26,983 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:44:26,986 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:27,183 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:44:27,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:27,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 154 states and 306 transitions. [2023-11-21 18:44:27,699 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 306 transitions. [2023-11-21 18:44:27,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:44:27,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:27,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:27,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:27,751 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:44:27,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:27,934 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:44:28,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:28,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 158 states and 312 transitions. [2023-11-21 18:44:28,993 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 312 transitions. [2023-11-21 18:44:28,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:44:28,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:28,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:29,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:29,066 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:44:29,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:29,341 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:44:29,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:29,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 158 states and 311 transitions. [2023-11-21 18:44:29,934 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 311 transitions. [2023-11-21 18:44:29,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:44:29,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:29,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:29,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:29,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:44:29,980 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:30,455 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:44:30,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:30,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 158 states and 306 transitions. [2023-11-21 18:44:30,871 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 306 transitions. [2023-11-21 18:44:30,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 18:44:30,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:30,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:30,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:30,917 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:44:30,919 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:31,182 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 3 proven. 32 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:44:32,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:32,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 164 states and 316 transitions. [2023-11-21 18:44:32,010 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 316 transitions. [2023-11-21 18:44:32,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 18:44:32,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:32,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:32,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:32,054 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:44:32,056 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:32,391 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:44:33,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:33,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 164 states and 314 transitions. [2023-11-21 18:44:33,027 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 314 transitions. [2023-11-21 18:44:33,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 18:44:33,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:33,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:33,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:33,095 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:44:33,097 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:33,512 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:44:34,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:34,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 171 states and 332 transitions. [2023-11-21 18:44:34,723 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 332 transitions. [2023-11-21 18:44:34,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:44:34,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:34,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:34,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:34,771 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:44:34,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:35,118 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:44:37,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:37,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 180 states and 356 transitions. [2023-11-21 18:44:37,771 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 356 transitions. [2023-11-21 18:44:37,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:44:37,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:37,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:37,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:37,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:44:37,818 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:37,922 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 2 proven. 50 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:44:39,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:39,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 188 states and 386 transitions. [2023-11-21 18:44:39,440 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 386 transitions. [2023-11-21 18:44:39,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:44:39,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:39,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:39,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:39,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:44:39,491 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:39,614 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:44:40,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:40,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 191 states and 389 transitions. [2023-11-21 18:44:40,243 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 389 transitions. [2023-11-21 18:44:40,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-21 18:44:40,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:40,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:40,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:40,287 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:44:40,289 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:40,369 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 2 proven. 56 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:44:40,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:40,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 193 states and 390 transitions. [2023-11-21 18:44:40,870 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 390 transitions. [2023-11-21 18:44:40,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-21 18:44:40,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:40,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:40,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:40,915 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-21 18:44:40,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:41,252 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:44:42,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:42,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 193 states and 388 transitions. [2023-11-21 18:44:42,035 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 388 transitions. [2023-11-21 18:44:42,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-21 18:44:42,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:42,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:42,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:42,079 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:44:42,081 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:42,786 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-21 18:44:47,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:47,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 205 states and 411 transitions. [2023-11-21 18:44:47,349 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 411 transitions. [2023-11-21 18:44:47,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-21 18:44:47,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:47,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:47,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:47,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-21 18:44:47,399 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:47,673 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:44:49,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:49,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 209 states and 417 transitions. [2023-11-21 18:44:49,914 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 417 transitions. [2023-11-21 18:44:49,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-21 18:44:49,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:49,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:49,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:49,974 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-21 18:44:49,977 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:50,200 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:44:50,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:50,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 209 states and 415 transitions. [2023-11-21 18:44:50,883 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 415 transitions. [2023-11-21 18:44:50,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-21 18:44:50,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:50,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:50,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:50,928 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-21 18:44:50,930 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:51,017 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:44:53,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:53,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 213 states and 421 transitions. [2023-11-21 18:44:53,235 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 421 transitions. [2023-11-21 18:44:53,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-21 18:44:53,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:53,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:53,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:53,280 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-21 18:44:53,282 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:53,918 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.