./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench/cohencu.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_5e3a25e7-db06-4aa4-9fdc-b77898e1bd1a/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e3a25e7-db06-4aa4-9fdc-b77898e1bd1a/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_5e3a25e7-db06-4aa4-9fdc-b77898e1bd1a/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e3a25e7-db06-4aa4-9fdc-b77898e1bd1a/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/cohencu.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e3a25e7-db06-4aa4-9fdc-b77898e1bd1a/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_5e3a25e7-db06-4aa4-9fdc-b77898e1bd1a/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 97975d1d0cca27fb3b198cb58b8a28ecc801f4371efebfb415ca164ff6598233 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:28:05,935 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:28:06,000 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e3a25e7-db06-4aa4-9fdc-b77898e1bd1a/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:28:06,005 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:28:06,006 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:28:06,030 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:28:06,031 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:28:06,032 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:28:06,032 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:28:06,033 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:28:06,034 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:28:06,034 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:28:06,035 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:28:06,035 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:28:06,036 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:28:06,036 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:28:06,036 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:28:06,037 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:28:06,037 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:28:06,038 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:28:06,038 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:28:06,039 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:28:06,039 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:28:06,040 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:28:06,040 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:28:06,040 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:28:06,041 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:28:06,041 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:28:06,042 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:28:06,042 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:28:06,042 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:28:06,043 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:28:06,043 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:28:06,043 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:28:06,044 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:28:06,044 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_5e3a25e7-db06-4aa4-9fdc-b77898e1bd1a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e3a25e7-db06-4aa4-9fdc-b77898e1bd1a/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97975d1d0cca27fb3b198cb58b8a28ecc801f4371efebfb415ca164ff6598233 [2023-11-23 20:28:06,327 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:28:06,354 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:28:06,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:28:06,358 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:28:06,358 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:28:06,360 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e3a25e7-db06-4aa4-9fdc-b77898e1bd1a/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench/cohencu.c [2023-11-23 20:28:09,410 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:28:09,602 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:28:09,603 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e3a25e7-db06-4aa4-9fdc-b77898e1bd1a/sv-benchmarks/c/nla-digbench/cohencu.c [2023-11-23 20:28:09,610 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e3a25e7-db06-4aa4-9fdc-b77898e1bd1a/bin/ukojak-verify-1t5iHCbJaC/data/d4b9b8c67/9c485f433ede480daff8112c8380ba19/FLAG68a647281 [2023-11-23 20:28:09,622 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e3a25e7-db06-4aa4-9fdc-b77898e1bd1a/bin/ukojak-verify-1t5iHCbJaC/data/d4b9b8c67/9c485f433ede480daff8112c8380ba19 [2023-11-23 20:28:09,624 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:28:09,626 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:28:09,627 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:28:09,628 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:28:09,632 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:28:09,633 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:28:09" (1/1) ... [2023-11-23 20:28:09,634 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20112412 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:09, skipping insertion in model container [2023-11-23 20:28:09,634 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:28:09" (1/1) ... [2023-11-23 20:28:09,656 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:28:09,814 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:28:09,824 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:28:09,850 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:28:09,862 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:28:09,863 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:09 WrapperNode [2023-11-23 20:28:09,863 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:28:09,864 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:28:09,865 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:28:09,865 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:28:09,872 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:09" (1/1) ... [2023-11-23 20:28:09,881 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:09" (1/1) ... [2023-11-23 20:28:09,932 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 189 [2023-11-23 20:28:09,932 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:28:09,933 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:28:09,933 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:28:09,933 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:28:09,948 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:09" (1/1) ... [2023-11-23 20:28:09,949 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:09" (1/1) ... [2023-11-23 20:28:09,951 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:09" (1/1) ... [2023-11-23 20:28:09,952 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:09" (1/1) ... [2023-11-23 20:28:09,958 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:09" (1/1) ... [2023-11-23 20:28:09,961 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:09" (1/1) ... [2023-11-23 20:28:09,963 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:09" (1/1) ... [2023-11-23 20:28:09,965 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:09" (1/1) ... [2023-11-23 20:28:09,968 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:28:09,969 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:28:09,970 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:28:09,970 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:28:09,970 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:28:09" (1/1) ... [2023-11-23 20:28:09,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:28:09,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e3a25e7-db06-4aa4-9fdc-b77898e1bd1a/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:28:10,004 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e3a25e7-db06-4aa4-9fdc-b77898e1bd1a/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:28:10,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5e3a25e7-db06-4aa4-9fdc-b77898e1bd1a/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:28:10,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:28:10,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:28:10,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:28:10,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:28:10,074 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:28:10,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:28:10,131 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:28:10,134 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:28:10,881 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:28:10,913 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:28:10,914 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:28:10,916 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:28:10 BoogieIcfgContainer [2023-11-23 20:28:10,916 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:28:10,917 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:28:10,917 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:28:10,954 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:28:10,954 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:28:10" (1/1) ... [2023-11-23 20:28:10,968 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:28:11,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:11,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 294 states and 305 transitions. [2023-11-23 20:28:11,059 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 305 transitions. [2023-11-23 20:28:11,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:28:11,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:11,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:11,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:11,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:11,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:11,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 296 states and 307 transitions. [2023-11-23 20:28:11,244 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 307 transitions. [2023-11-23 20:28:11,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:28:11,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:11,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:11,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:11,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:11,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:11,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 297 states and 308 transitions. [2023-11-23 20:28:11,293 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 308 transitions. [2023-11-23 20:28:11,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-23 20:28:11,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:11,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:11,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:11,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:11,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:11,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 298 states and 309 transitions. [2023-11-23 20:28:11,341 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 309 transitions. [2023-11-23 20:28:11,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:28:11,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:11,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:11,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:11,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:11,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:11,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 299 states and 310 transitions. [2023-11-23 20:28:11,422 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 310 transitions. [2023-11-23 20:28:11,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:28:11,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:11,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:11,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:11,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:11,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:11,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 301 states and 313 transitions. [2023-11-23 20:28:11,496 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 313 transitions. [2023-11-23 20:28:11,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:28:11,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:11,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:11,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:11,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:11,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:11,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 302 states and 314 transitions. [2023-11-23 20:28:11,558 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 314 transitions. [2023-11-23 20:28:11,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:28:11,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:11,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:11,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:11,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:11,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:11,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 301 states and 313 transitions. [2023-11-23 20:28:11,596 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 313 transitions. [2023-11-23 20:28:11,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:28:11,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:11,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:11,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:11,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:28:11,644 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:11,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:11,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:11,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 303 states and 315 transitions. [2023-11-23 20:28:11,735 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 315 transitions. [2023-11-23 20:28:11,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:28:11,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:11,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:11,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:11,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:28:11,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:11,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:11,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:11,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 302 states and 314 transitions. [2023-11-23 20:28:11,839 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 314 transitions. [2023-11-23 20:28:11,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:28:11,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:11,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:11,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:11,880 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:28:11,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:11,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:11,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:11,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 301 states and 313 transitions. [2023-11-23 20:28:11,965 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 313 transitions. [2023-11-23 20:28:11,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:28:11,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:11,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:11,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:11,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:28:11,999 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:12,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:12,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:12,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 300 states and 312 transitions. [2023-11-23 20:28:12,016 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 312 transitions. [2023-11-23 20:28:12,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:28:12,017 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:12,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:12,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:12,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:28:12,044 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:12,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:12,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:12,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 304 states and 317 transitions. [2023-11-23 20:28:12,275 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 317 transitions. [2023-11-23 20:28:12,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:28:12,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:12,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:12,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:12,305 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:28:12,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:12,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:12,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:12,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 303 states and 316 transitions. [2023-11-23 20:28:12,332 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 316 transitions. [2023-11-23 20:28:12,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:28:12,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:12,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:12,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:12,360 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:28:12,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:12,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:28:12,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:12,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 302 states and 315 transitions. [2023-11-23 20:28:12,429 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 315 transitions. [2023-11-23 20:28:12,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:28:12,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:12,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:12,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:12,455 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:28:12,457 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:12,461 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 20:28:12,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:12,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 301 states and 314 transitions. [2023-11-23 20:28:12,483 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 314 transitions. [2023-11-23 20:28:12,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:28:12,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:12,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:12,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:12,505 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:28:12,506 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:12,554 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 20:28:12,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:12,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 306 states and 321 transitions. [2023-11-23 20:28:12,665 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 321 transitions. [2023-11-23 20:28:12,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:28:12,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:12,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:12,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:12,687 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:28:12,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:12,727 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 20:28:12,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:12,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 316 states and 332 transitions. [2023-11-23 20:28:12,875 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 332 transitions. [2023-11-23 20:28:12,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:28:12,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:12,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:12,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:12,897 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:28:12,898 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:12,932 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 20:28:12,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:12,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 317 states and 333 transitions. [2023-11-23 20:28:12,949 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 333 transitions. [2023-11-23 20:28:12,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:28:12,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:12,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:12,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:12,973 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:28:12,974 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:13,136 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:28:13,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:13,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 340 states and 361 transitions. [2023-11-23 20:28:13,381 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 361 transitions. [2023-11-23 20:28:13,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:28:13,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:13,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:13,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:13,404 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:28:13,406 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:13,529 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:28:13,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:13,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 341 states and 362 transitions. [2023-11-23 20:28:13,574 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 362 transitions. [2023-11-23 20:28:13,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:28:13,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:13,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:13,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:13,596 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:28:13,597 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:13,652 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:28:13,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:13,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 366 states and 393 transitions. [2023-11-23 20:28:13,986 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 393 transitions. [2023-11-23 20:28:13,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:28:13,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:13,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:14,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:14,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:28:14,017 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:14,080 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:28:14,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:14,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 392 states and 425 transitions. [2023-11-23 20:28:14,495 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 425 transitions. [2023-11-23 20:28:14,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:28:14,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:14,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:14,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:14,518 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:28:14,519 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:14,607 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:28:14,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:14,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 395 states and 430 transitions. [2023-11-23 20:28:14,875 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 430 transitions. [2023-11-23 20:28:14,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:28:14,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:14,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:14,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:14,898 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:28:14,899 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:14,995 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:28:15,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:15,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 398 states and 434 transitions. [2023-11-23 20:28:15,418 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 434 transitions. [2023-11-23 20:28:15,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:28:15,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:15,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:15,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:15,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:28:15,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:15,528 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:28:16,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:16,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 403 states and 442 transitions. [2023-11-23 20:28:16,045 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 442 transitions. [2023-11-23 20:28:16,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 20:28:16,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:16,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:16,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:16,072 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:28:16,073 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:16,152 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:28:16,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:16,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 409 states and 451 transitions. [2023-11-23 20:28:16,720 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 451 transitions. [2023-11-23 20:28:16,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 20:28:16,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:16,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:16,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:16,748 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:28:16,749 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:17,039 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:28:17,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:17,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 416 states and 459 transitions. [2023-11-23 20:28:17,763 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 459 transitions. [2023-11-23 20:28:17,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 20:28:17,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:17,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:17,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:17,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:28:17,791 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:17,969 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:28:18,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:18,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 420 states and 464 transitions. [2023-11-23 20:28:18,167 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 464 transitions. [2023-11-23 20:28:18,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 20:28:18,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:18,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:18,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:18,199 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:28:18,200 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:18,283 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:28:18,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:18,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 422 states and 468 transitions. [2023-11-23 20:28:18,529 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 468 transitions. [2023-11-23 20:28:18,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 20:28:18,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:18,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:18,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:18,556 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:28:18,557 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:18,648 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:28:19,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:19,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 425 states and 473 transitions. [2023-11-23 20:28:19,003 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 473 transitions. [2023-11-23 20:28:19,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-23 20:28:19,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:19,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:19,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:19,029 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:28:19,030 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:19,487 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:28:20,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:20,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 429 states and 479 transitions. [2023-11-23 20:28:20,120 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 479 transitions. [2023-11-23 20:28:20,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:28:20,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:20,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:20,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:20,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:28:20,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:20,546 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:28:21,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:21,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 433 states and 484 transitions. [2023-11-23 20:28:21,115 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 484 transitions. [2023-11-23 20:28:21,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 20:28:21,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:21,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:21,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:21,141 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:28:21,142 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:21,517 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:28:22,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:22,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 435 states and 488 transitions. [2023-11-23 20:28:22,379 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 488 transitions. [2023-11-23 20:28:22,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 20:28:22,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:22,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:22,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:22,404 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:28:22,405 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:22,518 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:28:23,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:23,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 436 states and 490 transitions. [2023-11-23 20:28:23,421 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 490 transitions. [2023-11-23 20:28:23,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 20:28:23,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:23,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:23,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:23,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:28:23,452 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:23,456 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 20:28:23,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:23,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 435 states and 489 transitions. [2023-11-23 20:28:23,475 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 489 transitions. [2023-11-23 20:28:23,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-23 20:28:23,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:23,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:23,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:23,506 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:28:23,507 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:25,046 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 20:28:26,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:26,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 440 states and 498 transitions. [2023-11-23 20:28:26,174 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 498 transitions. [2023-11-23 20:28:26,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-23 20:28:26,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:26,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:26,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:26,201 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:28:26,202 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:26,408 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 20:28:27,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:27,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 446 states and 508 transitions. [2023-11-23 20:28:27,362 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 508 transitions. [2023-11-23 20:28:27,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 20:28:27,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:27,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:27,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:27,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:28:27,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:27,567 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 20:28:29,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:29,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 454 states and 521 transitions. [2023-11-23 20:28:29,056 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 521 transitions. [2023-11-23 20:28:29,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-23 20:28:29,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:29,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:29,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:29,087 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:28:29,088 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:29,304 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 20:28:30,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:30,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 463 states and 535 transitions. [2023-11-23 20:28:30,802 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 535 transitions. [2023-11-23 20:28:30,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-23 20:28:30,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:30,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:30,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:30,830 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:28:30,833 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:31,762 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 20:28:32,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:32,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 472 states and 549 transitions. [2023-11-23 20:28:32,933 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 549 transitions. [2023-11-23 20:28:32,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-23 20:28:32,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:32,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:32,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:32,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:28:32,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:33,015 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 20:28:33,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:33,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 474 states and 553 transitions. [2023-11-23 20:28:33,855 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 553 transitions. [2023-11-23 20:28:33,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-23 20:28:33,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:33,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:33,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:33,900 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:28:33,901 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:33,968 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 20:28:34,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:34,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 477 states and 558 transitions. [2023-11-23 20:28:34,834 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 558 transitions. [2023-11-23 20:28:34,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-23 20:28:34,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:34,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:34,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:34,859 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:28:34,860 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:35,056 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 20:28:35,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:35,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 481 states and 562 transitions. [2023-11-23 20:28:35,402 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 562 transitions. [2023-11-23 20:28:35,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-23 20:28:35,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:35,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:35,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:35,426 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:28:35,427 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:35,728 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 20:28:36,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:36,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 485 states and 567 transitions. [2023-11-23 20:28:36,040 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 567 transitions. [2023-11-23 20:28:36,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-23 20:28:36,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:36,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:36,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:36,066 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:28:36,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:36,152 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 20:28:36,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:36,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 486 states and 569 transitions. [2023-11-23 20:28:36,621 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 569 transitions. [2023-11-23 20:28:36,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-23 20:28:36,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:36,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:36,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:36,647 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:28:36,649 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:36,845 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 20:28:37,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:37,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 488 states and 572 transitions. [2023-11-23 20:28:37,115 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 572 transitions. [2023-11-23 20:28:37,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-23 20:28:37,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:37,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:37,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:37,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:28:37,151 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:37,225 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:28:40,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:40,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 521 states and 617 transitions. [2023-11-23 20:28:40,020 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 617 transitions. [2023-11-23 20:28:40,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-23 20:28:40,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:40,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:40,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:40,051 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:28:40,052 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:40,185 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:28:43,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:43,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 554 states and 661 transitions. [2023-11-23 20:28:43,098 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 661 transitions. [2023-11-23 20:28:43,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-23 20:28:43,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:43,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:43,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:43,132 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:28:43,134 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:43,194 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:28:45,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:45,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 574 states and 691 transitions. [2023-11-23 20:28:45,887 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 691 transitions. [2023-11-23 20:28:45,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-23 20:28:45,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:45,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:45,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:45,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:28:45,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:46,089 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:28:49,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:49,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 594 states and 720 transitions. [2023-11-23 20:28:49,505 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 720 transitions. [2023-11-23 20:28:49,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-23 20:28:49,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:49,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:49,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:49,545 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:28:49,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:49,781 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:28:53,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:53,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 614 states and 750 transitions. [2023-11-23 20:28:53,479 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 750 transitions. [2023-11-23 20:28:53,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-23 20:28:53,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:53,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:53,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:53,520 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:28:53,522 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:53,673 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:28:53,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:53,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 613 states and 749 transitions. [2023-11-23 20:28:53,917 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 749 transitions. [2023-11-23 20:28:53,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-23 20:28:53,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:53,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:53,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:53,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:28:53,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:54,270 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:28:56,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:56,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 635 states and 781 transitions. [2023-11-23 20:28:56,814 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 781 transitions. [2023-11-23 20:28:56,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-23 20:28:56,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:56,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:56,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:56,852 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:28:56,853 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:57,026 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:28:58,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:28:58,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 851 states to 644 states and 795 transitions. [2023-11-23 20:28:58,649 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 795 transitions. [2023-11-23 20:28:58,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-23 20:28:58,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:28:58,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:28:58,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:28:58,679 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:28:58,680 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:28:58,855 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:29:00,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:00,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 651 states and 812 transitions. [2023-11-23 20:29:00,352 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 812 transitions. [2023-11-23 20:29:00,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-23 20:29:00,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:00,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:29:00,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:00,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:29:00,390 INFO L285 TraceCheckSpWp]: Computing forward predicates...