./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.13-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_43af8550-c513-4eb2-9648-55de9f77da59/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43af8550-c513-4eb2-9648-55de9f77da59/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43af8550-c513-4eb2-9648-55de9f77da59/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43af8550-c513-4eb2-9648-55de9f77da59/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.13-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43af8550-c513-4eb2-9648-55de9f77da59/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43af8550-c513-4eb2-9648-55de9f77da59/bin/ukojak-verify-0OAaufAVZV --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 64bit --witnessprinter.graph.data.programhash e86ab88515027c2a8ad7a1a5d7cd34e589814e2f5fa9f70f400cd1ca5df85524 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:02:33,775 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:02:33,901 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43af8550-c513-4eb2-9648-55de9f77da59/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-12 00:02:33,908 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:02:33,909 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:02:33,955 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:02:33,956 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:02:33,957 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:02:33,958 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:02:33,964 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:02:33,965 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:02:33,966 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:02:33,967 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:02:33,968 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:02:33,969 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:02:33,970 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:02:33,970 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:02:33,971 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:02:33,971 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:02:33,972 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:02:33,972 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:02:33,973 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:02:33,973 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:02:33,974 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:02:33,974 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:02:33,975 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:02:33,975 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:02:33,975 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:02:33,976 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:02:33,976 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:02:33,977 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:02:33,977 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_43af8550-c513-4eb2-9648-55de9f77da59/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43af8550-c513-4eb2-9648-55de9f77da59/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e86ab88515027c2a8ad7a1a5d7cd34e589814e2f5fa9f70f400cd1ca5df85524 [2023-11-12 00:02:34,301 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:02:34,339 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:02:34,341 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:02:34,344 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:02:34,344 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:02:34,346 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43af8550-c513-4eb2-9648-55de9f77da59/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/termination-memory-alloca/b.13-alloca.i [2023-11-12 00:02:37,425 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:02:37,691 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:02:37,691 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43af8550-c513-4eb2-9648-55de9f77da59/sv-benchmarks/c/termination-memory-alloca/b.13-alloca.i [2023-11-12 00:02:37,711 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43af8550-c513-4eb2-9648-55de9f77da59/bin/ukojak-verify-0OAaufAVZV/data/9d8e4a98f/a68a2b563add459283440b96f50c91bc/FLAG5cdf9a2a9 [2023-11-12 00:02:37,750 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43af8550-c513-4eb2-9648-55de9f77da59/bin/ukojak-verify-0OAaufAVZV/data/9d8e4a98f/a68a2b563add459283440b96f50c91bc [2023-11-12 00:02:37,753 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:02:37,754 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:02:37,756 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:02:37,756 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:02:37,760 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:02:37,761 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:02:37" (1/1) ... [2023-11-12 00:02:37,762 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@199a559d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:37, skipping insertion in model container [2023-11-12 00:02:37,763 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:02:37" (1/1) ... [2023-11-12 00:02:37,807 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:02:38,063 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:02:38,073 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:02:38,112 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:02:38,142 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:02:38,143 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:38 WrapperNode [2023-11-12 00:02:38,143 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:02:38,144 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:02:38,144 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:02:38,145 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:02:38,152 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:38" (1/1) ... [2023-11-12 00:02:38,166 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:38" (1/1) ... [2023-11-12 00:02:38,189 INFO L138 Inliner]: procedures = 111, calls = 32, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 98 [2023-11-12 00:02:38,190 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:02:38,191 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:02:38,191 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:02:38,191 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:02:38,201 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:38" (1/1) ... [2023-11-12 00:02:38,201 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:38" (1/1) ... [2023-11-12 00:02:38,204 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:38" (1/1) ... [2023-11-12 00:02:38,205 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:38" (1/1) ... [2023-11-12 00:02:38,210 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:38" (1/1) ... [2023-11-12 00:02:38,213 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:38" (1/1) ... [2023-11-12 00:02:38,215 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:38" (1/1) ... [2023-11-12 00:02:38,216 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:38" (1/1) ... [2023-11-12 00:02:38,219 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:02:38,220 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:02:38,220 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:02:38,221 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:02:38,222 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:38" (1/1) ... [2023-11-12 00:02:38,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:02:38,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43af8550-c513-4eb2-9648-55de9f77da59/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:02:38,270 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43af8550-c513-4eb2-9648-55de9f77da59/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:02:38,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43af8550-c513-4eb2-9648-55de9f77da59/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:02:38,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:02:38,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:02:38,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:02:38,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:02:38,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:02:38,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:02:38,438 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:02:38,439 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:02:38,675 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:02:38,746 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:02:38,746 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:02:38,749 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:02:38 BoogieIcfgContainer [2023-11-12 00:02:38,749 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:02:38,750 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:02:38,750 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:02:38,763 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:02:38,764 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:02:38" (1/1) ... [2023-11-12 00:02:38,776 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:02:38,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:38,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2023-11-12 00:02:38,834 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2023-11-12 00:02:38,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-12 00:02:38,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:38,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:38,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:39,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:02:39,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:39,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2023-11-12 00:02:39,752 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2023-11-12 00:02:39,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-12 00:02:39,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:39,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:39,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:40,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:02:40,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:40,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 24 states and 38 transitions. [2023-11-12 00:02:40,901 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 38 transitions. [2023-11-12 00:02:40,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-12 00:02:40,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:40,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:40,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:41,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:02:41,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:41,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 26 states and 45 transitions. [2023-11-12 00:02:41,438 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 45 transitions. [2023-11-12 00:02:41,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-12 00:02:41,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:41,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:41,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:41,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:02:43,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:43,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 32 states and 66 transitions. [2023-11-12 00:02:43,065 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 66 transitions. [2023-11-12 00:02:43,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-12 00:02:43,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:43,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:43,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:43,358 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:02:44,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:44,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 36 states and 80 transitions. [2023-11-12 00:02:44,684 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 80 transitions. [2023-11-12 00:02:44,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-12 00:02:44,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:44,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:44,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:45,306 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:02:46,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:46,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 39 states and 88 transitions. [2023-11-12 00:02:46,663 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 88 transitions. [2023-11-12 00:02:46,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-12 00:02:46,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:46,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:46,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:46,779 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:02:47,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:47,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 42 states and 99 transitions. [2023-11-12 00:02:47,765 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 99 transitions. [2023-11-12 00:02:47,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-12 00:02:47,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:47,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:47,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:48,156 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:02:50,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:50,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 46 states and 109 transitions. [2023-11-12 00:02:50,104 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 109 transitions. [2023-11-12 00:02:50,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-12 00:02:50,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:50,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:50,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:50,240 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:02:51,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:51,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 49 states and 123 transitions. [2023-11-12 00:02:51,613 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 123 transitions. [2023-11-12 00:02:51,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-12 00:02:51,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:51,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:51,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:51,970 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:02:53,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:53,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 51 states and 128 transitions. [2023-11-12 00:02:53,901 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 128 transitions. [2023-11-12 00:02:53,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-12 00:02:53,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:53,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:53,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:54,000 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:02:55,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:55,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 54 states and 138 transitions. [2023-11-12 00:02:55,551 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 138 transitions. [2023-11-12 00:02:55,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-12 00:02:55,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:55,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:55,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:55,659 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:02:56,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:56,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 55 states and 143 transitions. [2023-11-12 00:02:56,164 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 143 transitions. [2023-11-12 00:02:56,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-12 00:02:56,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:56,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:56,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:57,108 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:01,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:01,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 61 states and 169 transitions. [2023-11-12 00:03:01,183 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 169 transitions. [2023-11-12 00:03:01,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-12 00:03:01,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:01,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:01,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:01,700 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:03:04,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:04,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 65 states and 177 transitions. [2023-11-12 00:03:04,175 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 177 transitions. [2023-11-12 00:03:04,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-12 00:03:04,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:04,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:04,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:05,048 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 00:03:10,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:10,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 71 states and 191 transitions. [2023-11-12 00:03:10,448 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 191 transitions. [2023-11-12 00:03:10,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-12 00:03:10,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:10,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:10,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:10,556 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-12 00:03:12,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:12,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 74 states and 198 transitions. [2023-11-12 00:03:12,802 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 198 transitions. [2023-11-12 00:03:12,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-12 00:03:12,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:12,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:12,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:12,935 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-12 00:03:14,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:14,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 74 states and 197 transitions. [2023-11-12 00:03:14,593 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 197 transitions. [2023-11-12 00:03:14,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-12 00:03:14,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:14,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:14,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:14,707 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 00:03:15,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:15,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 74 states and 195 transitions. [2023-11-12 00:03:15,655 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 195 transitions. [2023-11-12 00:03:15,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-12 00:03:15,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:15,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:15,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:15,754 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-12 00:03:16,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:16,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 74 states and 191 transitions. [2023-11-12 00:03:16,611 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 191 transitions. [2023-11-12 00:03:16,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-12 00:03:16,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:16,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:16,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:16,723 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 00:03:17,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:17,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 75 states and 191 transitions. [2023-11-12 00:03:17,687 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 191 transitions. [2023-11-12 00:03:17,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-12 00:03:17,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:17,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:17,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:17,790 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:18,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:18,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 76 states and 192 transitions. [2023-11-12 00:03:18,814 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 192 transitions. [2023-11-12 00:03:18,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-12 00:03:18,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:18,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:18,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:18,913 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:20,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:20,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 78 states and 197 transitions. [2023-11-12 00:03:20,456 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 197 transitions. [2023-11-12 00:03:20,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-12 00:03:20,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:20,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:20,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:20,551 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:22,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:22,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 80 states and 200 transitions. [2023-11-12 00:03:22,038 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 200 transitions. [2023-11-12 00:03:22,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-12 00:03:22,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:22,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:22,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:22,123 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 00:03:24,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:24,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 82 states and 203 transitions. [2023-11-12 00:03:24,003 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 203 transitions. [2023-11-12 00:03:24,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-12 00:03:24,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:24,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:24,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:25,029 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.