./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound5.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_cd0d7d42-5b19-4be9-9198-27358127f6c0/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0d7d42-5b19-4be9-9198-27358127f6c0/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_cd0d7d42-5b19-4be9-9198-27358127f6c0/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0d7d42-5b19-4be9-9198-27358127f6c0/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0d7d42-5b19-4be9-9198-27358127f6c0/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_cd0d7d42-5b19-4be9-9198-27358127f6c0/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 34f640e37bae156029b1a359a4abe58394472212f3f36aea9107706542ec544a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:12:31,747 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:12:31,839 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0d7d42-5b19-4be9-9198-27358127f6c0/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:12:31,846 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:12:31,846 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:12:31,874 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:12:31,876 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:12:31,876 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:12:31,877 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:12:31,878 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:12:31,879 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:12:31,880 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:12:31,881 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:12:31,881 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:12:31,882 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:12:31,883 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:12:31,883 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:12:31,884 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:12:31,885 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:12:31,886 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:12:31,886 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:12:31,887 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:12:31,888 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:12:31,888 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:12:31,889 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:12:31,890 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:12:31,890 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:12:31,891 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:12:31,891 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:12:31,892 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:12:31,893 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:12:31,893 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:12:31,894 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:12:31,895 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:12:31,895 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:12:31,896 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_cd0d7d42-5b19-4be9-9198-27358127f6c0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0d7d42-5b19-4be9-9198-27358127f6c0/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 34f640e37bae156029b1a359a4abe58394472212f3f36aea9107706542ec544a [2023-11-23 20:12:32,222 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:12:32,260 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:12:32,264 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:12:32,265 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:12:32,266 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:12:32,268 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0d7d42-5b19-4be9-9198-27358127f6c0/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound5.c [2023-11-23 20:12:35,726 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:12:35,948 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:12:35,948 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0d7d42-5b19-4be9-9198-27358127f6c0/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound5.c [2023-11-23 20:12:35,958 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0d7d42-5b19-4be9-9198-27358127f6c0/bin/ukojak-verify-1t5iHCbJaC/data/c4229fd21/c67becd0100c4003bdc033ae2d5ee525/FLAG18a2cf251 [2023-11-23 20:12:35,976 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0d7d42-5b19-4be9-9198-27358127f6c0/bin/ukojak-verify-1t5iHCbJaC/data/c4229fd21/c67becd0100c4003bdc033ae2d5ee525 [2023-11-23 20:12:35,979 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:12:35,981 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:12:35,983 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:12:35,984 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:12:35,990 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:12:35,991 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:12:35" (1/1) ... [2023-11-23 20:12:35,993 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@113bb6b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:35, skipping insertion in model container [2023-11-23 20:12:35,993 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:12:35" (1/1) ... [2023-11-23 20:12:36,022 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:12:36,224 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:12:36,238 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:12:36,263 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:12:36,281 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:12:36,282 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:36 WrapperNode [2023-11-23 20:12:36,282 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:12:36,284 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:12:36,284 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:12:36,284 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:12:36,294 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:36" (1/1) ... [2023-11-23 20:12:36,323 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:36" (1/1) ... [2023-11-23 20:12:36,347 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 65 [2023-11-23 20:12:36,347 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:12:36,348 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:12:36,349 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:12:36,349 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:12:36,361 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:36" (1/1) ... [2023-11-23 20:12:36,362 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:36" (1/1) ... [2023-11-23 20:12:36,364 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:36" (1/1) ... [2023-11-23 20:12:36,364 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:36" (1/1) ... [2023-11-23 20:12:36,373 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:36" (1/1) ... [2023-11-23 20:12:36,377 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:36" (1/1) ... [2023-11-23 20:12:36,379 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:36" (1/1) ... [2023-11-23 20:12:36,380 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:36" (1/1) ... [2023-11-23 20:12:36,383 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:12:36,384 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:12:36,385 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:12:36,385 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:12:36,386 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:12:36" (1/1) ... [2023-11-23 20:12:36,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:12:36,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0d7d42-5b19-4be9-9198-27358127f6c0/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:12:36,428 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0d7d42-5b19-4be9-9198-27358127f6c0/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:12:36,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cd0d7d42-5b19-4be9-9198-27358127f6c0/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:12:36,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:12:36,485 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:12:36,485 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:12:36,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:12:36,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:12:36,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:12:36,488 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:12:36,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:12:36,586 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:12:36,589 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:12:36,951 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:12:37,022 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:12:37,026 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:12:37,029 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:12:37 BoogieIcfgContainer [2023-11-23 20:12:37,029 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:12:37,031 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:12:37,031 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:12:37,049 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:12:37,049 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:12:37" (1/1) ... [2023-11-23 20:12:37,062 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:12:37,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:37,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 49 states and 54 transitions. [2023-11-23 20:12:37,150 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2023-11-23 20:12:37,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:12:37,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:37,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:37,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:37,317 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-23 20:12:37,324 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:37,569 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 20:12:37,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:37,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 51 states and 56 transitions. [2023-11-23 20:12:37,763 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 56 transitions. [2023-11-23 20:12:37,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:12:37,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:37,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:37,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:37,802 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-23 20:12:37,805 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:37,940 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 20:12:38,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:38,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 54 states and 61 transitions. [2023-11-23 20:12:38,125 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 61 transitions. [2023-11-23 20:12:38,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:12:38,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:38,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:38,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:38,192 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:12:38,194 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:38,277 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 20:12:38,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:38,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 58 states and 68 transitions. [2023-11-23 20:12:38,736 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 68 transitions. [2023-11-23 20:12:38,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:12:38,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:38,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:38,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:38,791 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:12:38,793 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:38,964 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 20:12:39,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:39,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 63 states and 77 transitions. [2023-11-23 20:12:39,623 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 77 transitions. [2023-11-23 20:12:39,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:12:39,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:39,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:39,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:39,659 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:12:39,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:39,777 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:12:40,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:40,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 69 states and 88 transitions. [2023-11-23 20:12:40,703 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 88 transitions. [2023-11-23 20:12:40,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:12:40,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:40,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:40,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:40,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-23 20:12:40,791 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:40,933 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 20:12:42,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:42,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 76 states and 100 transitions. [2023-11-23 20:12:42,166 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 100 transitions. [2023-11-23 20:12:42,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:12:42,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:42,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:42,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:42,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:12:42,232 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:42,320 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 20:12:42,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:42,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 79 states and 105 transitions. [2023-11-23 20:12:42,497 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 105 transitions. [2023-11-23 20:12:42,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:12:42,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:42,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:42,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:42,532 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:12:42,534 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:42,597 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 20:12:42,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:42,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 78 states and 104 transitions. [2023-11-23 20:12:42,889 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 104 transitions. [2023-11-23 20:12:42,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:12:42,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:42,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:42,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:42,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:12:42,927 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:43,082 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 20:12:44,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:44,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 87 states and 121 transitions. [2023-11-23 20:12:44,692 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 121 transitions. [2023-11-23 20:12:44,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:12:44,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:44,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:44,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:44,728 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:12:44,729 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:44,797 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 20:12:44,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:44,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 88 states and 124 transitions. [2023-11-23 20:12:44,878 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 124 transitions. [2023-11-23 20:12:44,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:12:44,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:44,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:44,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:44,906 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:12:44,907 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:45,080 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 20:12:46,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:46,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 97 states and 140 transitions. [2023-11-23 20:12:46,722 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 140 transitions. [2023-11-23 20:12:46,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:12:46,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:46,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:46,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:46,750 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:12:46,751 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:46,819 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 20:12:46,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:46,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 99 states and 145 transitions. [2023-11-23 20:12:46,985 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 145 transitions. [2023-11-23 20:12:46,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:12:46,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:46,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:47,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:47,013 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:12:47,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:47,081 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 20:12:48,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:48,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 101 states and 149 transitions. [2023-11-23 20:12:48,055 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 149 transitions. [2023-11-23 20:12:48,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:12:48,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:48,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:48,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:48,081 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:12:48,083 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:48,208 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 20:12:51,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:51,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 111 states and 168 transitions. [2023-11-23 20:12:51,321 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 168 transitions. [2023-11-23 20:12:51,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:12:51,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:51,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:51,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:51,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:12:51,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:51,497 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 20:12:54,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:54,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 122 states and 189 transitions. [2023-11-23 20:12:54,576 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 189 transitions. [2023-11-23 20:12:54,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:12:54,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:54,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:54,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:54,604 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:12:54,605 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:54,634 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 20:12:55,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:55,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 126 states and 199 transitions. [2023-11-23 20:12:55,251 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 199 transitions. [2023-11-23 20:12:55,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:12:55,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:55,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:55,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:55,277 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:12:55,278 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:55,320 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 20:12:55,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:55,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 129 states and 204 transitions. [2023-11-23 20:12:55,988 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 204 transitions. [2023-11-23 20:12:55,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:12:55,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:55,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:56,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:56,040 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:12:56,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:56,080 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 20:12:56,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:56,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 131 states and 207 transitions. [2023-11-23 20:12:56,588 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 207 transitions. [2023-11-23 20:12:56,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:12:56,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:56,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:56,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:56,615 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-23 20:12:56,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:56,878 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:12:59,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:59,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 143 states and 233 transitions. [2023-11-23 20:12:59,252 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 233 transitions. [2023-11-23 20:12:59,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:12:59,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:59,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:59,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:59,283 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:12:59,285 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:12:59,456 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 20:12:59,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:12:59,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 144 states and 234 transitions. [2023-11-23 20:12:59,776 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 234 transitions. [2023-11-23 20:12:59,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:12:59,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:12:59,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:12:59,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:12:59,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-23 20:12:59,817 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:00,414 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:13:02,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:02,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 158 states and 265 transitions. [2023-11-23 20:13:02,805 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 265 transitions. [2023-11-23 20:13:02,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:13:02,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:02,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:02,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:02,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:13:02,845 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:02,887 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 20:13:03,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:03,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 162 states and 270 transitions. [2023-11-23 20:13:03,651 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 270 transitions. [2023-11-23 20:13:03,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:13:03,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:03,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:03,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:03,681 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:13:03,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:03,722 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 20:13:04,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:04,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 165 states and 273 transitions. [2023-11-23 20:13:04,178 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 273 transitions. [2023-11-23 20:13:04,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:13:04,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:04,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:04,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:04,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:13:04,213 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:04,242 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-23 20:13:05,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:05,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 172 states and 281 transitions. [2023-11-23 20:13:05,450 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 281 transitions. [2023-11-23 20:13:05,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:13:05,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:05,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:05,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:05,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-23 20:13:05,494 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:06,129 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:13:09,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:09,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 182 states and 298 transitions. [2023-11-23 20:13:09,144 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 298 transitions. [2023-11-23 20:13:09,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:13:09,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:09,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:09,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:09,171 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:13:09,172 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:09,204 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:13:12,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:12,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 193 states and 316 transitions. [2023-11-23 20:13:12,613 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 316 transitions. [2023-11-23 20:13:12,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:13:12,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:12,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:12,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:12,638 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:13:12,639 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:12,673 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:13:13,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:13,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 196 states and 321 transitions. [2023-11-23 20:13:13,892 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 321 transitions. [2023-11-23 20:13:13,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:13:13,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:13,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:13,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:13,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-23 20:13:13,933 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:14,903 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:13:17,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:17,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 201 states and 334 transitions. [2023-11-23 20:13:17,288 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 334 transitions. [2023-11-23 20:13:17,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:13:17,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:17,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:17,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:17,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-23 20:13:17,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:18,492 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 20:13:21,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:21,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 206 states and 350 transitions. [2023-11-23 20:13:21,255 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 350 transitions. [2023-11-23 20:13:21,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:13:21,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:21,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:21,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:21,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:13:21,296 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:21,337 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:13:24,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:13:24,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 214 states and 361 transitions. [2023-11-23 20:13:24,818 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 361 transitions. [2023-11-23 20:13:24,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:13:24,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:13:24,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:13:24,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:13:24,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:13:24,845 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:13:24,878 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.