./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_32c2c715-8e00-4186-b390-5e11a9f713a3/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c2c715-8e00-4186-b390-5e11a9f713a3/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c2c715-8e00-4186-b390-5e11a9f713a3/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c2c715-8e00-4186-b390-5e11a9f713a3/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c2c715-8e00-4186-b390-5e11a9f713a3/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c2c715-8e00-4186-b390-5e11a9f713a3/bin/ukojak-verify-1t5iHCbJaC --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 cf96ccf42beeb32dd4ada276d6687a251a0093c06fe1150e921bbfebb3df0607 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:13:49,684 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:13:49,804 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c2c715-8e00-4186-b390-5e11a9f713a3/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:13:49,811 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:13:49,812 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:13:49,851 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:13:49,852 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:13:49,852 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:13:49,853 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:13:49,859 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:13:49,859 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:13:49,860 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:13:49,860 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:13:49,862 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:13:49,862 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:13:49,863 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:13:49,863 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:13:49,864 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:13:49,864 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:13:49,864 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:13:49,865 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:13:49,865 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:13:49,867 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:13:49,868 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:13:49,869 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:13:49,869 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:13:49,870 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:13:49,870 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:13:49,870 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:13:49,871 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:13:49,872 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:13:49,873 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:13:49,873 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:13:49,873 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:13:49,873 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:13:49,874 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_32c2c715-8e00-4186-b390-5e11a9f713a3/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c2c715-8e00-4186-b390-5e11a9f713a3/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cf96ccf42beeb32dd4ada276d6687a251a0093c06fe1150e921bbfebb3df0607 [2023-11-23 20:13:50,135 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:13:50,166 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:13:50,169 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:13:50,171 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:13:50,171 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:13:50,173 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c2c715-8e00-4186-b390-5e11a9f713a3/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound2.c [2023-11-23 20:13:53,338 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:13:53,621 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:13:53,623 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c2c715-8e00-4186-b390-5e11a9f713a3/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound2.c [2023-11-23 20:13:53,635 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c2c715-8e00-4186-b390-5e11a9f713a3/bin/ukojak-verify-1t5iHCbJaC/data/82dbc7e3d/6e64a537c210463ab353a068553ce91e/FLAG203dbee92 [2023-11-23 20:13:53,657 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c2c715-8e00-4186-b390-5e11a9f713a3/bin/ukojak-verify-1t5iHCbJaC/data/82dbc7e3d/6e64a537c210463ab353a068553ce91e [2023-11-23 20:13:53,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:13:53,665 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:13:53,669 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:13:53,670 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:13:53,675 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:13:53,676 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:13:53" (1/1) ... [2023-11-23 20:13:53,677 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29f2ebd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:53, skipping insertion in model container [2023-11-23 20:13:53,677 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:13:53" (1/1) ... [2023-11-23 20:13:53,702 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:13:53,902 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:13:53,914 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:13:53,944 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:13:53,957 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:13:53,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:53 WrapperNode [2023-11-23 20:13:53,958 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:13:53,959 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:13:53,959 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:13:53,960 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:13:53,968 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:53" (1/1) ... [2023-11-23 20:13:53,976 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:53" (1/1) ... [2023-11-23 20:13:54,016 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 160 [2023-11-23 20:13:54,017 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:13:54,017 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:13:54,018 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:13:54,018 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:13:54,029 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:53" (1/1) ... [2023-11-23 20:13:54,029 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:53" (1/1) ... [2023-11-23 20:13:54,032 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:53" (1/1) ... [2023-11-23 20:13:54,033 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:53" (1/1) ... [2023-11-23 20:13:54,039 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:53" (1/1) ... [2023-11-23 20:13:54,043 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:53" (1/1) ... [2023-11-23 20:13:54,053 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:53" (1/1) ... [2023-11-23 20:13:54,055 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:53" (1/1) ... [2023-11-23 20:13:54,058 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:13:54,059 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:13:54,059 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:13:54,059 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:13:54,061 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:13:53" (1/1) ... [2023-11-23 20:13:54,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:13:54,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c2c715-8e00-4186-b390-5e11a9f713a3/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:13:54,106 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c2c715-8e00-4186-b390-5e11a9f713a3/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:13:54,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32c2c715-8e00-4186-b390-5e11a9f713a3/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:13:54,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:13:54,149 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:13:54,150 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:13:54,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:13:54,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:13:54,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:13:54,152 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:13:54,153 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:13:54,259 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:13:54,262 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:13:54,987 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:13:55,032 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:13:55,032 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:13:55,034 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:13:55 BoogieIcfgContainer [2023-11-23 20:13:55,034 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:13:55,035 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:13:55,036 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:13:55,048 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:13:55,048 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:13:55" (1/1) ... [2023-11-23 20:13:55,059 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:13:55,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:55,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 161 states and 174 transitions. [2023-11-23 20:13:55,122 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 174 transitions. [2023-11-23 20:13:55,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:13:55,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:55,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:55,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:55,310 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 20:13:55,316 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:55,452 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:13:55,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:55,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 160 states and 173 transitions. [2023-11-23 20:13:55,624 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 173 transitions. [2023-11-23 20:13:55,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:13:55,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:55,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:55,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:55,685 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:13:55,711 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:55,808 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:13:56,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:56,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 159 states and 172 transitions. [2023-11-23 20:13:56,106 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 172 transitions. [2023-11-23 20:13:56,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:13:56,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:56,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:56,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:56,151 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:13:56,154 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:56,162 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:13:56,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:56,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 158 states and 171 transitions. [2023-11-23 20:13:56,176 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 171 transitions. [2023-11-23 20:13:56,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:13:56,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:56,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:56,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:56,209 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:13:56,210 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:56,281 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:13:56,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:56,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 157 states and 170 transitions. [2023-11-23 20:13:56,335 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 170 transitions. [2023-11-23 20:13:56,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:13:56,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:56,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:56,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:56,373 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:13:56,374 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:56,459 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:13:57,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:57,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 159 states and 172 transitions. [2023-11-23 20:13:57,422 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 172 transitions. [2023-11-23 20:13:57,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:13:57,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:57,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:57,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:57,481 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:13:57,485 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:57,603 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:13:58,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:58,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 162 states and 176 transitions. [2023-11-23 20:13:58,907 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 176 transitions. [2023-11-23 20:13:58,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:13:58,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:58,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:58,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:58,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:13:58,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:58,996 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:13:59,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:59,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 163 states and 177 transitions. [2023-11-23 20:13:59,039 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 177 transitions. [2023-11-23 20:13:59,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:13:59,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:59,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:59,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:59,096 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:13:59,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:59,168 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:14:00,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:00,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 169 states and 188 transitions. [2023-11-23 20:14:00,371 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 188 transitions. [2023-11-23 20:14:00,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:14:00,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:00,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:00,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:00,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:14:00,419 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:00,452 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:14:00,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:00,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 170 states and 189 transitions. [2023-11-23 20:14:00,492 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 189 transitions. [2023-11-23 20:14:00,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:14:00,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:00,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:00,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:00,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:14:00,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:00,715 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:14:01,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:01,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 173 states and 195 transitions. [2023-11-23 20:14:01,477 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 195 transitions. [2023-11-23 20:14:01,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:14:01,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:01,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:01,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:01,506 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:14:01,508 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:01,699 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:14:04,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:04,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 181 states and 210 transitions. [2023-11-23 20:14:04,112 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 210 transitions. [2023-11-23 20:14:04,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:14:04,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:04,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:04,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:04,143 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:14:04,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:04,300 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:14:05,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:05,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 185 states and 219 transitions. [2023-11-23 20:14:05,267 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 219 transitions. [2023-11-23 20:14:05,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:14:05,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:05,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:05,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:05,297 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:14:05,298 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:05,517 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:14:08,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:08,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 194 states and 237 transitions. [2023-11-23 20:14:08,733 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 237 transitions. [2023-11-23 20:14:08,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:14:08,734 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:08,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:08,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:08,764 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:14:08,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:08,914 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:14:09,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:09,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 197 states and 242 transitions. [2023-11-23 20:14:09,469 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 242 transitions. [2023-11-23 20:14:09,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:14:09,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:09,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:09,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:09,502 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:14:09,510 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:09,605 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:14:10,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:10,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 202 states and 251 transitions. [2023-11-23 20:14:10,589 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 251 transitions. [2023-11-23 20:14:10,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:14:10,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:10,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:10,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:10,629 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:14:10,631 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:10,883 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:14:11,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:11,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 203 states and 252 transitions. [2023-11-23 20:14:11,578 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 252 transitions. [2023-11-23 20:14:11,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:14:11,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:11,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:11,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:11,612 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:14:11,615 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:11,625 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:14:11,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:11,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 204 states and 253 transitions. [2023-11-23 20:14:11,648 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 253 transitions. [2023-11-23 20:14:11,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:14:11,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:11,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:11,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:11,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:14:11,697 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:11,748 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:14:11,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:11,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 205 states and 253 transitions. [2023-11-23 20:14:11,921 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 253 transitions. [2023-11-23 20:14:11,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:14:11,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:11,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:11,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:11,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:14:11,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:12,299 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:14:17,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:17,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 217 states and 274 transitions. [2023-11-23 20:14:17,513 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 274 transitions. [2023-11-23 20:14:17,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:14:17,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:17,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:17,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:17,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:14:17,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:17,943 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:14:23,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:23,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 230 states and 297 transitions. [2023-11-23 20:14:23,615 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 297 transitions. [2023-11-23 20:14:23,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:14:23,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:23,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:23,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:23,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:14:23,689 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:23,914 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:14:30,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:30,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 243 states and 323 transitions. [2023-11-23 20:14:30,662 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 323 transitions. [2023-11-23 20:14:30,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:14:30,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:30,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:30,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:30,694 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:14:30,695 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:30,917 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:14:37,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:37,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 257 states and 351 transitions. [2023-11-23 20:14:37,173 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 351 transitions. [2023-11-23 20:14:37,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:14:37,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:37,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:37,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:37,208 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:14:37,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:37,398 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:14:45,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:45,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 272 states and 381 transitions. [2023-11-23 20:14:45,649 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 381 transitions. [2023-11-23 20:14:45,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:14:45,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:45,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:45,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:45,682 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:14:45,683 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:45,709 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:14:48,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:48,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 282 states and 401 transitions. [2023-11-23 20:14:48,503 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 401 transitions. [2023-11-23 20:14:48,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:14:48,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:48,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:48,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:48,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:14:48,534 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:48,570 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:14:48,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:48,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 283 states and 402 transitions. [2023-11-23 20:14:48,607 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 402 transitions. [2023-11-23 20:14:48,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:14:48,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:48,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:48,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:48,635 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:14:48,636 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:14:48,669 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:14:48,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:14:48,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 284 states and 403 transitions. [2023-11-23 20:14:48,705 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 403 transitions. [2023-11-23 20:14:48,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 20:14:48,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:14:48,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:14:48,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:14:48,734 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:14:48,735 INFO L285 TraceCheckSpWp]: Computing forward predicates...