./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench/egcd3-ll.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_90a68e29-20ec-4a26-8e3a-9d77d49e1c71/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a68e29-20ec-4a26-8e3a-9d77d49e1c71/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_90a68e29-20ec-4a26-8e3a-9d77d49e1c71/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a68e29-20ec-4a26-8e3a-9d77d49e1c71/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/egcd3-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a68e29-20ec-4a26-8e3a-9d77d49e1c71/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_90a68e29-20ec-4a26-8e3a-9d77d49e1c71/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 4ef08007570a64191e0df13d14d3e8d62a8022f43f46779ea6f6701a621376be --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:46:25,907 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:46:26,017 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a68e29-20ec-4a26-8e3a-9d77d49e1c71/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:46:26,025 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:46:26,025 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:46:26,068 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:46:26,069 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:46:26,070 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:46:26,071 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:46:26,076 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:46:26,077 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:46:26,077 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:46:26,078 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:46:26,079 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:46:26,080 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:46:26,080 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:46:26,081 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:46:26,081 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:46:26,082 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:46:26,082 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:46:26,083 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:46:26,083 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:46:26,084 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:46:26,084 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:46:26,085 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:46:26,086 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:46:26,086 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:46:26,086 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:46:26,087 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:46:26,100 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:46:26,102 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:46:26,102 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:46:26,102 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:46:26,103 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:46:26,103 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:46:26,103 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_90a68e29-20ec-4a26-8e3a-9d77d49e1c71/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a68e29-20ec-4a26-8e3a-9d77d49e1c71/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ef08007570a64191e0df13d14d3e8d62a8022f43f46779ea6f6701a621376be [2023-11-21 18:46:26,384 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:46:26,422 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:46:26,424 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:46:26,426 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:46:26,426 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:46:26,428 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a68e29-20ec-4a26-8e3a-9d77d49e1c71/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench/egcd3-ll.c [2023-11-21 18:46:29,581 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:46:29,831 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:46:29,831 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a68e29-20ec-4a26-8e3a-9d77d49e1c71/sv-benchmarks/c/nla-digbench/egcd3-ll.c [2023-11-21 18:46:29,840 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a68e29-20ec-4a26-8e3a-9d77d49e1c71/bin/ukojak-verify-i0I2FZA1j2/data/9620ef14f/bc4f8ab833d64dfb88904c4de4a40c2f/FLAG4204d5cdb [2023-11-21 18:46:29,853 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a68e29-20ec-4a26-8e3a-9d77d49e1c71/bin/ukojak-verify-i0I2FZA1j2/data/9620ef14f/bc4f8ab833d64dfb88904c4de4a40c2f [2023-11-21 18:46:29,855 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:46:29,856 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:46:29,858 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:46:29,858 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:46:29,863 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:46:29,864 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:46:29" (1/1) ... [2023-11-21 18:46:29,865 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c16c94f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:29, skipping insertion in model container [2023-11-21 18:46:29,865 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:46:29" (1/1) ... [2023-11-21 18:46:29,889 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:46:30,096 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:46:30,107 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:46:30,133 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:46:30,148 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:46:30,148 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:30 WrapperNode [2023-11-21 18:46:30,149 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:46:30,150 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:46:30,150 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:46:30,150 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:46:30,158 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:30" (1/1) ... [2023-11-21 18:46:30,166 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:30" (1/1) ... [2023-11-21 18:46:30,191 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 137 [2023-11-21 18:46:30,192 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:46:30,192 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:46:30,193 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:46:30,193 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:46:30,203 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:30" (1/1) ... [2023-11-21 18:46:30,203 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:30" (1/1) ... [2023-11-21 18:46:30,206 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:30" (1/1) ... [2023-11-21 18:46:30,207 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:30" (1/1) ... [2023-11-21 18:46:30,211 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:30" (1/1) ... [2023-11-21 18:46:30,218 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:30" (1/1) ... [2023-11-21 18:46:30,228 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:30" (1/1) ... [2023-11-21 18:46:30,230 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:30" (1/1) ... [2023-11-21 18:46:30,232 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:46:30,237 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:46:30,237 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:46:30,237 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:46:30,238 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:30" (1/1) ... [2023-11-21 18:46:30,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:46:30,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a68e29-20ec-4a26-8e3a-9d77d49e1c71/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:46:30,286 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a68e29-20ec-4a26-8e3a-9d77d49e1c71/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:46:30,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90a68e29-20ec-4a26-8e3a-9d77d49e1c71/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:46:30,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:46:30,336 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:46:30,336 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:46:30,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:46:30,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:46:30,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:46:30,337 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:46:30,338 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:46:30,423 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:46:30,426 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:46:30,894 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:46:30,935 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:46:30,935 INFO L308 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-21 18:46:30,938 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:46:30 BoogieIcfgContainer [2023-11-21 18:46:30,938 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:46:30,939 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:46:30,939 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:46:30,958 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:46:30,958 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:46:30" (1/1) ... [2023-11-21 18:46:30,967 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:46:31,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:31,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 122 states and 132 transitions. [2023-11-21 18:46:31,025 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 132 transitions. [2023-11-21 18:46:31,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:46:31,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:31,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:31,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:31,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:31,221 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:46:31,226 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:31,259 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:46:31,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:31,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 122 states and 131 transitions. [2023-11-21 18:46:31,299 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 131 transitions. [2023-11-21 18:46:31,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:46:31,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:31,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:31,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:31,344 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:46:31,346 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:31,430 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:46:31,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:31,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 125 states and 136 transitions. [2023-11-21 18:46:31,524 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 136 transitions. [2023-11-21 18:46:31,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:46:31,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:31,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:31,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:31,576 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:46:31,578 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:31,693 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:46:31,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:31,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 129 states and 143 transitions. [2023-11-21 18:46:31,901 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 143 transitions. [2023-11-21 18:46:31,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:46:31,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:31,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:31,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:31,956 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:46:31,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:31,986 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:46:32,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:32,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 134 states and 152 transitions. [2023-11-21 18:46:32,203 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 152 transitions. [2023-11-21 18:46:32,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:46:32,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:32,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:32,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:32,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:32,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:46:32,268 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:32,271 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:46:32,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:32,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 134 states and 151 transitions. [2023-11-21 18:46:32,283 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 151 transitions. [2023-11-21 18:46:32,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:46:32,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:32,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:32,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:32,312 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:46:32,314 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:32,327 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:46:32,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:32,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 135 states and 152 transitions. [2023-11-21 18:46:32,352 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 152 transitions. [2023-11-21 18:46:32,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:46:32,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:32,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:32,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:32,386 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:46:32,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:32,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 135 states and 151 transitions. [2023-11-21 18:46:32,398 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 151 transitions. [2023-11-21 18:46:32,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:46:32,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:32,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:32,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:32,429 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:46:32,431 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:32,462 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:46:32,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:32,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 141 states and 165 transitions. [2023-11-21 18:46:32,622 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 165 transitions. [2023-11-21 18:46:32,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:46:32,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:32,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:32,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:32,683 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:46:32,684 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:32,700 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:46:32,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:32,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 145 states and 174 transitions. [2023-11-21 18:46:32,800 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 174 transitions. [2023-11-21 18:46:32,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:46:32,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:32,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:32,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:32,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:46:32,846 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:32,922 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:46:33,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:33,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 148 states and 178 transitions. [2023-11-21 18:46:33,188 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 178 transitions. [2023-11-21 18:46:33,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:46:33,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:33,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:33,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:33,213 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:46:33,215 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:33,238 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:46:33,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:33,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 149 states and 179 transitions. [2023-11-21 18:46:33,260 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 179 transitions. [2023-11-21 18:46:33,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:46:33,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:33,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:33,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:33,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:46:33,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:33,324 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:46:33,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:33,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 150 states and 180 transitions. [2023-11-21 18:46:33,345 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 180 transitions. [2023-11-21 18:46:33,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:46:33,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:33,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:33,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:33,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:46:33,382 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:33,518 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:46:33,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:33,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 151 states and 181 transitions. [2023-11-21 18:46:33,825 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 181 transitions. [2023-11-21 18:46:33,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:46:33,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:33,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:33,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:33,861 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:46:33,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:33,926 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:46:34,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:34,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 157 states and 192 transitions. [2023-11-21 18:46:34,279 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 192 transitions. [2023-11-21 18:46:34,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:46:34,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:34,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:34,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:34,306 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:46:34,312 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:34,433 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:46:34,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:34,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 161 states and 199 transitions. [2023-11-21 18:46:34,770 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 199 transitions. [2023-11-21 18:46:34,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:46:34,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:34,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:34,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:34,791 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:46:34,792 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:34,808 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:46:35,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:35,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 168 states and 209 transitions. [2023-11-21 18:46:35,337 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 209 transitions. [2023-11-21 18:46:35,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:46:35,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:35,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:35,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:35,364 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:46:35,365 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:35,413 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:46:35,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:35,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 175 states and 222 transitions. [2023-11-21 18:46:35,649 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 222 transitions. [2023-11-21 18:46:35,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:46:35,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:35,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:35,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:35,672 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:46:35,673 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:35,789 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:46:36,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:36,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 180 states and 230 transitions. [2023-11-21 18:46:36,281 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 230 transitions. [2023-11-21 18:46:36,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:46:36,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:36,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:36,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:36,313 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:46:36,318 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:36,334 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:46:36,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:36,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 181 states and 231 transitions. [2023-11-21 18:46:36,358 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 231 transitions. [2023-11-21 18:46:36,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:46:36,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:36,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:36,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:36,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:46:36,383 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:36,458 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:46:36,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:36,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 184 states and 236 transitions. [2023-11-21 18:46:36,842 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 236 transitions. [2023-11-21 18:46:36,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:46:36,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:36,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:36,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:36,870 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:46:36,871 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:36,914 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:46:37,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:37,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 192 states and 251 transitions. [2023-11-21 18:46:37,598 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 251 transitions. [2023-11-21 18:46:37,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:46:37,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:37,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:37,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:37,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:46:37,620 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:37,771 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:46:38,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:38,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 195 states and 254 transitions. [2023-11-21 18:46:38,278 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 254 transitions. [2023-11-21 18:46:38,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:46:38,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:38,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:38,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:38,299 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:46:38,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:38,440 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:46:38,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:38,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 196 states and 255 transitions. [2023-11-21 18:46:38,883 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 255 transitions. [2023-11-21 18:46:38,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:46:38,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:38,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:38,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:38,906 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:46:38,907 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:38,924 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:46:38,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:38,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 197 states and 256 transitions. [2023-11-21 18:46:38,940 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 256 transitions. [2023-11-21 18:46:38,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:46:38,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:38,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:38,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:38,959 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:46:38,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:39,046 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:46:39,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:39,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 198 states and 257 transitions. [2023-11-21 18:46:39,511 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 257 transitions. [2023-11-21 18:46:39,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:46:39,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:39,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:39,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:39,538 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:46:39,539 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:39,702 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:46:40,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:40,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 206 states and 269 transitions. [2023-11-21 18:46:40,634 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 269 transitions. [2023-11-21 18:46:40,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:46:40,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:40,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:40,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:40,654 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:46:40,658 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:40,831 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:46:42,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:42,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 219 states and 287 transitions. [2023-11-21 18:46:42,364 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 287 transitions. [2023-11-21 18:46:42,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:46:42,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:42,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:42,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:42,386 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:46:42,387 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:42,622 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:46:44,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:44,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 228 states and 303 transitions. [2023-11-21 18:46:44,072 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 303 transitions. [2023-11-21 18:46:44,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:46:44,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:44,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:44,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:44,100 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:46:44,101 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:44,295 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:46:46,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:46,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 242 states and 323 transitions. [2023-11-21 18:46:46,493 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 323 transitions. [2023-11-21 18:46:46,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:46:46,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:46,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:46,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:46,515 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:46:46,516 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:46,536 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:46:47,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:47,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 251 states and 337 transitions. [2023-11-21 18:46:47,095 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 337 transitions. [2023-11-21 18:46:47,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:46:47,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:47,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:47,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:47,115 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:46:47,117 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:47,501 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:46:49,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:49,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 263 states and 351 transitions. [2023-11-21 18:46:49,321 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 351 transitions. [2023-11-21 18:46:49,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:46:49,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:49,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:49,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:49,345 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:46:49,346 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:49,369 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:46:49,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:49,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 264 states and 352 transitions. [2023-11-21 18:46:49,387 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 352 transitions. [2023-11-21 18:46:49,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:46:49,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:49,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:49,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:49,405 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:46:49,407 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:49,886 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:46:51,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:51,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 280 states and 372 transitions. [2023-11-21 18:46:51,730 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 372 transitions. [2023-11-21 18:46:51,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:46:51,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:51,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:51,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:51,754 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:46:51,755 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:51,820 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:46:52,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:52,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 293 states and 394 transitions. [2023-11-21 18:46:52,498 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 394 transitions. [2023-11-21 18:46:52,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:46:52,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:52,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:52,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:52,522 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:46:52,523 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:53,107 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:46:56,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:56,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 308 states and 428 transitions. [2023-11-21 18:46:56,972 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 428 transitions. [2023-11-21 18:46:56,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:46:56,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:56,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:56,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:56,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:46:56,996 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:57,272 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:47:02,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:02,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 324 states and 458 transitions. [2023-11-21 18:47:02,026 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 458 transitions. [2023-11-21 18:47:02,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:47:02,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:02,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:02,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:02,089 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:47:02,090 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:02,124 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:47:02,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:02,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 326 states and 463 transitions. [2023-11-21 18:47:02,493 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 463 transitions. [2023-11-21 18:47:02,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:47:02,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:02,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:02,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:02,523 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:47:02,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:02,732 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:47:03,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:03,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 329 states and 468 transitions. [2023-11-21 18:47:03,518 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 468 transitions. [2023-11-21 18:47:03,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:47:03,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:03,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:03,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:03,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:47:03,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:03,575 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:47:03,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:03,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 331 states and 472 transitions. [2023-11-21 18:47:03,990 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 472 transitions. [2023-11-21 18:47:03,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:47:03,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:03,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:04,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:04,027 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:47:04,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:04,363 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:47:05,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:05,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 332 states and 473 transitions. [2023-11-21 18:47:05,227 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 473 transitions. [2023-11-21 18:47:05,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:47:05,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:05,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:05,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:05,257 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-21 18:47:05,259 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:06,426 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:47:11,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:11,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 349 states and 517 transitions. [2023-11-21 18:47:11,444 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 517 transitions. [2023-11-21 18:47:11,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:47:11,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:11,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:11,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:11,467 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:47:11,468 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:11,928 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:47:16,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:16,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 358 states and 541 transitions. [2023-11-21 18:47:16,199 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 541 transitions. [2023-11-21 18:47:16,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:47:16,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:16,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:16,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:16,228 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:47:16,230 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:16,851 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:47:20,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:20,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 368 states and 569 transitions. [2023-11-21 18:47:20,168 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 569 transitions. [2023-11-21 18:47:20,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:47:20,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:20,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:20,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:20,208 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:47:20,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:20,326 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:47:20,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:20,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 370 states and 574 transitions. [2023-11-21 18:47:20,913 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 574 transitions. [2023-11-21 18:47:20,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:47:20,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:20,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:20,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:20,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:47:20,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:20,967 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:47:22,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:22,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 374 states and 589 transitions. [2023-11-21 18:47:22,003 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 589 transitions. [2023-11-21 18:47:22,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:47:22,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:22,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:22,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:22,037 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:47:22,039 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:22,063 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:47:22,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:22,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 376 states and 595 transitions. [2023-11-21 18:47:22,803 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 595 transitions. [2023-11-21 18:47:22,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:47:22,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:22,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:22,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:22,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:47:22,840 INFO L285 TraceCheckSpWp]: Computing forward predicates...