./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_unwindbound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88eee21-6d4e-4674-8b27-fd4883482570/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88eee21-6d4e-4674-8b27-fd4883482570/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88eee21-6d4e-4674-8b27-fd4883482570/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88eee21-6d4e-4674-8b27-fd4883482570/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88eee21-6d4e-4674-8b27-fd4883482570/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88eee21-6d4e-4674-8b27-fd4883482570/bin/ukojak-verify-afCqCEvfdi --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 6568b5930df9b96ff5e807ba48758caa6128d98ba24e8c1d6b9a86c6290462f1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:07:24,557 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:07:24,661 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88eee21-6d4e-4674-8b27-fd4883482570/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 23:07:24,672 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:07:24,673 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:07:24,698 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:07:24,699 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:07:24,699 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:07:24,701 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:07:24,701 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:07:24,702 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:07:24,703 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:07:24,703 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:07:24,704 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:07:24,705 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:07:24,705 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:07:24,706 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:07:24,707 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:07:24,707 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:07:24,708 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:07:24,709 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:07:24,710 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:07:24,710 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:07:24,711 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:07:24,712 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:07:24,712 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:07:24,713 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:07:24,713 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:07:24,714 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:07:24,715 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:07:24,715 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:07:24,716 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:07:24,716 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:07:24,717 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:07:24,717 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:07:24,718 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_d88eee21-6d4e-4674-8b27-fd4883482570/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88eee21-6d4e-4674-8b27-fd4883482570/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6568b5930df9b96ff5e807ba48758caa6128d98ba24e8c1d6b9a86c6290462f1 [2023-11-24 23:07:25,114 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:07:25,149 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:07:25,153 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:07:25,154 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:07:25,155 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:07:25,157 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88eee21-6d4e-4674-8b27-fd4883482570/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_unwindbound1.c [2023-11-24 23:07:28,517 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:07:28,752 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:07:28,753 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88eee21-6d4e-4674-8b27-fd4883482570/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_unwindbound1.c [2023-11-24 23:07:28,761 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88eee21-6d4e-4674-8b27-fd4883482570/bin/ukojak-verify-afCqCEvfdi/data/279619c5c/4cb71ea3ed43406fac78bfa9be2db939/FLAGa8eb1c9ea [2023-11-24 23:07:28,777 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88eee21-6d4e-4674-8b27-fd4883482570/bin/ukojak-verify-afCqCEvfdi/data/279619c5c/4cb71ea3ed43406fac78bfa9be2db939 [2023-11-24 23:07:28,779 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:07:28,781 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:07:28,783 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:07:28,783 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:07:28,788 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:07:28,789 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:07:28" (1/1) ... [2023-11-24 23:07:28,790 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f84135c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:28, skipping insertion in model container [2023-11-24 23:07:28,790 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:07:28" (1/1) ... [2023-11-24 23:07:28,812 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:07:29,083 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:07:29,100 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:07:29,150 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:07:29,168 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:07:29,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:29 WrapperNode [2023-11-24 23:07:29,169 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:07:29,170 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:07:29,171 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:07:29,171 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:07:29,179 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:29" (1/1) ... [2023-11-24 23:07:29,197 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:29" (1/1) ... [2023-11-24 23:07:29,245 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 111 [2023-11-24 23:07:29,246 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:07:29,246 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:07:29,247 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:07:29,247 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:07:29,259 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:29" (1/1) ... [2023-11-24 23:07:29,259 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:29" (1/1) ... [2023-11-24 23:07:29,261 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:29" (1/1) ... [2023-11-24 23:07:29,262 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:29" (1/1) ... [2023-11-24 23:07:29,277 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:29" (1/1) ... [2023-11-24 23:07:29,281 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:29" (1/1) ... [2023-11-24 23:07:29,282 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:29" (1/1) ... [2023-11-24 23:07:29,283 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:29" (1/1) ... [2023-11-24 23:07:29,286 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:07:29,287 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:07:29,287 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:07:29,287 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:07:29,299 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:29" (1/1) ... [2023-11-24 23:07:29,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:07:29,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88eee21-6d4e-4674-8b27-fd4883482570/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:07:29,346 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88eee21-6d4e-4674-8b27-fd4883482570/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:07:29,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d88eee21-6d4e-4674-8b27-fd4883482570/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:07:29,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:07:29,404 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:07:29,404 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:07:29,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:07:29,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:07:29,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:07:29,406 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:07:29,407 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:07:29,495 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:07:29,498 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:07:30,367 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:07:30,414 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:07:30,414 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:07:30,416 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:07:30 BoogieIcfgContainer [2023-11-24 23:07:30,417 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:07:30,418 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:07:30,419 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:07:30,430 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:07:30,430 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:07:30" (1/1) ... [2023-11-24 23:07:30,441 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:07:30,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:30,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 131 states and 136 transitions. [2023-11-24 23:07:30,527 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 136 transitions. [2023-11-24 23:07:30,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-24 23:07:30,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:30,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:30,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:30,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:07:30,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:30,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 130 states and 135 transitions. [2023-11-24 23:07:30,799 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 135 transitions. [2023-11-24 23:07:30,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:07:30,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:30,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:30,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:30,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:07:30,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:30,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 129 states and 134 transitions. [2023-11-24 23:07:30,973 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 134 transitions. [2023-11-24 23:07:30,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:07:30,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:30,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:30,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:31,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:07:31,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:31,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 128 states and 133 transitions. [2023-11-24 23:07:31,066 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 133 transitions. [2023-11-24 23:07:31,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 23:07:31,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:31,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:31,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:31,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:07:31,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:31,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 127 states and 132 transitions. [2023-11-24 23:07:31,167 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 132 transitions. [2023-11-24 23:07:31,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:07:31,168 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:31,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:31,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:31,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:07:31,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:31,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 126 states and 131 transitions. [2023-11-24 23:07:31,213 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 131 transitions. [2023-11-24 23:07:31,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:07:31,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:31,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:31,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:31,257 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:07:31,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:07:31,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:07:31,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:31,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 125 states and 130 transitions. [2023-11-24 23:07:31,399 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 130 transitions. [2023-11-24 23:07:31,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:07:31,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:31,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:31,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:31,435 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:07:31,441 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:07:31,511 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:07:31,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:31,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 124 states and 129 transitions. [2023-11-24 23:07:31,576 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 129 transitions. [2023-11-24 23:07:31,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:07:31,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:31,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:31,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:31,615 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:07:31,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:07:31,656 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:07:31,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:31,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 123 states and 128 transitions. [2023-11-24 23:07:31,729 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 128 transitions. [2023-11-24 23:07:31,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:07:31,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:31,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:31,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:31,773 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:07:31,775 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:07:31,794 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:07:31,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:31,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 122 states and 127 transitions. [2023-11-24 23:07:31,868 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 127 transitions. [2023-11-24 23:07:31,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:07:31,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:31,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:31,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:31,913 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:07:31,916 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:07:31,939 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:07:32,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:32,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 121 states and 126 transitions. [2023-11-24 23:07:32,002 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 126 transitions. [2023-11-24 23:07:32,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:07:32,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:32,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:32,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:32,051 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:07:32,053 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:07:32,056 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:07:32,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:32,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 120 states and 125 transitions. [2023-11-24 23:07:32,071 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 125 transitions. [2023-11-24 23:07:32,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:07:32,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:32,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:32,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:32,096 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:07:32,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:07:32,254 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:07:32,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:32,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 119 states and 124 transitions. [2023-11-24 23:07:32,866 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 124 transitions. [2023-11-24 23:07:32,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:07:32,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:32,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:32,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:32,907 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:07:32,909 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:07:32,974 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:07:33,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:33,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 118 states and 123 transitions. [2023-11-24 23:07:33,212 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 123 transitions. [2023-11-24 23:07:33,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 23:07:33,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:33,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:33,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:33,240 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:07:33,242 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:07:33,372 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:07:33,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:33,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 117 states and 122 transitions. [2023-11-24 23:07:33,748 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 122 transitions. [2023-11-24 23:07:33,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:07:33,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:33,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:33,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:33,776 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:07:33,779 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:07:33,784 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:07:33,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:33,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 117 states and 121 transitions. [2023-11-24 23:07:33,807 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 121 transitions. [2023-11-24 23:07:33,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:07:33,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:33,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:33,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:33,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:07:33,848 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:07:33,937 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:07:34,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:34,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 119 states and 125 transitions. [2023-11-24 23:07:34,892 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 125 transitions. [2023-11-24 23:07:34,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:07:34,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:34,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:34,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:34,918 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:07:34,919 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:07:35,040 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:07:36,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:36,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 122 states and 130 transitions. [2023-11-24 23:07:36,424 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 130 transitions. [2023-11-24 23:07:36,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 23:07:36,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:36,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:36,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:36,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:07:36,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:07:36,552 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:07:37,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:37,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 127 states and 141 transitions. [2023-11-24 23:07:37,534 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 141 transitions. [2023-11-24 23:07:37,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 23:07:37,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:37,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:37,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:37,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:07:37,576 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:07:37,724 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:07:39,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:39,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 132 states and 152 transitions. [2023-11-24 23:07:39,309 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 152 transitions. [2023-11-24 23:07:39,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 23:07:39,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:39,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:39,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:39,342 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:07:39,343 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:07:39,404 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:07:41,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:41,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 138 states and 165 transitions. [2023-11-24 23:07:41,053 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 165 transitions. [2023-11-24 23:07:41,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 23:07:41,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:41,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:41,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:41,098 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:07:41,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:07:44,269 WARN L876 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main_~R~0#1| Int)) (let ((.cse0 (* |ULTIMATE.start_main_~R~0#1| |ULTIMATE.start_main_~R~0#1|))) (and (<= (+ |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~A~0#1|) .cse0) (<= .cse0 9223372036854775807)))) is different from true [2023-11-24 23:07:44,320 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:07:55,224 WARN L854 $PredicateComparison]: unable to prove that (not (exists ((|ULTIMATE.start_main_~R~0#1| Int)) (let ((.cse0 (* |ULTIMATE.start_main_~R~0#1| |ULTIMATE.start_main_~R~0#1|))) (and (<= (+ |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~A~0#1|) .cse0) (<= .cse0 9223372036854775807))))) is different from false