./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_9e08b469-31b0-4de9-8b9e-ee90869fac8e/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e08b469-31b0-4de9-8b9e-ee90869fac8e/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e08b469-31b0-4de9-8b9e-ee90869fac8e/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e08b469-31b0-4de9-8b9e-ee90869fac8e/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e08b469-31b0-4de9-8b9e-ee90869fac8e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e08b469-31b0-4de9-8b9e-ee90869fac8e/bin/ukojak-verify-G8NBE6pJGL --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 1ab6b58208d0c243ef581620bcab9aae54e201e00d3505f3320b182de5e7ff75 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:47:55,500 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:47:55,622 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e08b469-31b0-4de9-8b9e-ee90869fac8e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 02:47:55,635 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:47:55,636 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:47:55,672 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:47:55,673 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:47:55,673 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:47:55,674 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:47:55,679 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:47:55,680 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:47:55,681 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:47:55,681 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:47:55,683 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:47:55,683 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:47:55,683 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:47:55,684 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:47:55,684 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:47:55,685 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:47:55,685 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:47:55,685 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:47:55,686 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:47:55,686 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:47:55,687 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:47:55,687 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:47:55,688 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:47:55,688 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:47:55,689 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:47:55,689 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:47:55,690 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:47:55,691 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:47:55,691 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:47:55,691 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:47:55,692 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:47:55,692 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:47:55,692 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_9e08b469-31b0-4de9-8b9e-ee90869fac8e/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e08b469-31b0-4de9-8b9e-ee90869fac8e/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ab6b58208d0c243ef581620bcab9aae54e201e00d3505f3320b182de5e7ff75 [2023-11-19 02:47:56,013 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:47:56,049 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:47:56,052 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:47:56,053 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:47:56,053 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:47:56,055 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e08b469-31b0-4de9-8b9e-ee90869fac8e/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound2.c [2023-11-19 02:47:59,098 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:47:59,403 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:47:59,404 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e08b469-31b0-4de9-8b9e-ee90869fac8e/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound2.c [2023-11-19 02:47:59,453 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e08b469-31b0-4de9-8b9e-ee90869fac8e/bin/ukojak-verify-G8NBE6pJGL/data/baf0b38a8/8fc0e37236a44729a353c9c0557b9d31/FLAG5dd9ea429 [2023-11-19 02:47:59,482 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e08b469-31b0-4de9-8b9e-ee90869fac8e/bin/ukojak-verify-G8NBE6pJGL/data/baf0b38a8/8fc0e37236a44729a353c9c0557b9d31 [2023-11-19 02:47:59,507 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:47:59,509 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:47:59,514 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:47:59,524 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:47:59,531 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:47:59,532 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:47:59" (1/1) ... [2023-11-19 02:47:59,533 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29bc5db0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:59, skipping insertion in model container [2023-11-19 02:47:59,534 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:47:59" (1/1) ... [2023-11-19 02:47:59,585 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:47:59,846 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:47:59,860 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:47:59,891 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:47:59,907 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:47:59,907 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:59 WrapperNode [2023-11-19 02:47:59,908 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:47:59,909 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:47:59,909 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:47:59,909 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:47:59,919 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:59" (1/1) ... [2023-11-19 02:47:59,927 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:59" (1/1) ... [2023-11-19 02:47:59,977 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 103 [2023-11-19 02:47:59,979 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:47:59,980 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:47:59,981 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:47:59,981 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:47:59,993 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:59" (1/1) ... [2023-11-19 02:47:59,994 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:59" (1/1) ... [2023-11-19 02:47:59,999 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:59" (1/1) ... [2023-11-19 02:47:59,999 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:59" (1/1) ... [2023-11-19 02:48:00,016 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:59" (1/1) ... [2023-11-19 02:48:00,036 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:59" (1/1) ... [2023-11-19 02:48:00,037 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:59" (1/1) ... [2023-11-19 02:48:00,039 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:59" (1/1) ... [2023-11-19 02:48:00,041 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:48:00,043 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:48:00,045 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:48:00,047 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:48:00,048 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:59" (1/1) ... [2023-11-19 02:48:00,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:48:00,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e08b469-31b0-4de9-8b9e-ee90869fac8e/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:48:00,096 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e08b469-31b0-4de9-8b9e-ee90869fac8e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:48:00,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e08b469-31b0-4de9-8b9e-ee90869fac8e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:48:00,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:48:00,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:48:00,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:48:00,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:48:00,157 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:48:00,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:48:00,256 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:48:00,259 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:48:00,722 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:48:00,784 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:48:00,784 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 02:48:00,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:48:00 BoogieIcfgContainer [2023-11-19 02:48:00,794 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:48:00,796 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:48:00,796 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:48:00,809 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:48:00,809 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:48:00" (1/1) ... [2023-11-19 02:48:00,821 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:48:00,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:00,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 75 states and 87 transitions. [2023-11-19 02:48:00,907 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2023-11-19 02:48:00,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 02:48:00,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:00,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:01,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:01,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:01,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:01,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 77 states and 89 transitions. [2023-11-19 02:48:01,350 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 89 transitions. [2023-11-19 02:48:01,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:48:01,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:01,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:01,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:01,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:01,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:01,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 78 states and 90 transitions. [2023-11-19 02:48:01,445 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 90 transitions. [2023-11-19 02:48:01,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:48:01,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:01,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:01,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:01,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:48:01,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:01,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 79 states and 90 transitions. [2023-11-19 02:48:01,546 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions. [2023-11-19 02:48:01,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 02:48:01,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:01,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:01,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:01,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:48:01,614 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:01,782 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:48:02,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:02,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 86 states and 100 transitions. [2023-11-19 02:48:02,039 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 100 transitions. [2023-11-19 02:48:02,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:48:02,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:02,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:02,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:02,100 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:48:02,102 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:02,172 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:48:02,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:02,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 87 states and 101 transitions. [2023-11-19 02:48:02,207 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 101 transitions. [2023-11-19 02:48:02,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:48:02,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:02,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:02,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:02,276 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:48:02,278 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:02,342 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:48:02,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:02,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 94 states and 114 transitions. [2023-11-19 02:48:02,724 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 114 transitions. [2023-11-19 02:48:02,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:48:02,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:02,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:02,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:02,756 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:48:02,757 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:02,883 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:48:03,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:03,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 104 states and 151 transitions. [2023-11-19 02:48:03,436 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 151 transitions. [2023-11-19 02:48:03,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:48:03,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:03,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:03,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:03,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:48:03,488 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:03,546 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:48:04,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:04,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 112 states and 166 transitions. [2023-11-19 02:48:04,364 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 166 transitions. [2023-11-19 02:48:04,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:48:04,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:04,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:04,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:04,395 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:48:04,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:04,540 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:48:05,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:05,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 123 states and 211 transitions. [2023-11-19 02:48:05,511 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 211 transitions. [2023-11-19 02:48:05,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:48:05,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:05,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:05,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:05,543 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:48:05,544 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:05,605 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:48:06,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:06,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 128 states and 223 transitions. [2023-11-19 02:48:06,139 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 223 transitions. [2023-11-19 02:48:06,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 02:48:06,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:06,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:06,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:06,178 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:48:06,180 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:06,248 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:48:06,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:06,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 134 states and 237 transitions. [2023-11-19 02:48:06,917 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 237 transitions. [2023-11-19 02:48:06,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:48:06,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:06,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:06,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:06,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:48:06,961 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:07,149 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:48:08,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:08,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 146 states and 288 transitions. [2023-11-19 02:48:08,222 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 288 transitions. [2023-11-19 02:48:08,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:48:08,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:08,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:08,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:08,264 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:48:08,266 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:08,340 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:48:09,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:09,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 157 states and 313 transitions. [2023-11-19 02:48:09,991 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 313 transitions. [2023-11-19 02:48:09,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:48:09,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:09,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:10,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:10,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:48:10,027 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:10,062 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:48:10,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:10,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 158 states and 314 transitions. [2023-11-19 02:48:10,082 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 314 transitions. [2023-11-19 02:48:10,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:48:10,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:10,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:10,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:10,109 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:48:10,111 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:10,308 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:48:11,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:11,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 164 states and 325 transitions. [2023-11-19 02:48:11,579 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 325 transitions. [2023-11-19 02:48:11,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:48:11,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:11,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:11,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:11,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:48:11,607 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:11,766 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:48:14,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:14,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 177 states and 351 transitions. [2023-11-19 02:48:14,508 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 351 transitions. [2023-11-19 02:48:14,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:48:14,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:14,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:14,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:14,550 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:48:14,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:14,640 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:48:16,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:16,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 184 states and 362 transitions. [2023-11-19 02:48:16,021 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 362 transitions. [2023-11-19 02:48:16,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:48:16,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:16,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:16,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:16,046 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:48:16,047 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:16,367 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:48:18,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:18,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 194 states and 384 transitions. [2023-11-19 02:48:18,332 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 384 transitions. [2023-11-19 02:48:18,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:48:18,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:18,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:18,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:18,359 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:48:18,360 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:18,495 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:48:20,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:20,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 202 states and 395 transitions. [2023-11-19 02:48:20,226 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 395 transitions. [2023-11-19 02:48:20,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 02:48:20,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:20,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:20,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:20,260 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:48:20,262 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:20,427 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:48:22,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:22,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 212 states and 421 transitions. [2023-11-19 02:48:22,614 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 421 transitions. [2023-11-19 02:48:22,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:48:22,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:22,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:22,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:22,641 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:48:22,642 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:22,827 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:48:26,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:26,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 223 states and 448 transitions. [2023-11-19 02:48:26,140 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 448 transitions. [2023-11-19 02:48:26,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 02:48:26,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:26,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:26,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:26,178 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:48:26,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:26,548 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 02:48:29,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:29,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 234 states and 480 transitions. [2023-11-19 02:48:29,311 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 480 transitions. [2023-11-19 02:48:29,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 02:48:29,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:29,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:29,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:29,340 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:48:29,342 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:29,427 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 02:48:30,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:30,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 238 states and 485 transitions. [2023-11-19 02:48:30,603 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 485 transitions. [2023-11-19 02:48:30,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 02:48:30,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:30,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:30,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:30,657 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:48:30,659 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:30,983 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 02:48:32,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:32,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 246 states and 514 transitions. [2023-11-19 02:48:32,331 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 514 transitions. [2023-11-19 02:48:32,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 02:48:32,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:32,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:32,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:32,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:48:32,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:32,521 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 02:48:33,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:33,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 250 states and 518 transitions. [2023-11-19 02:48:33,639 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 518 transitions. [2023-11-19 02:48:33,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 02:48:33,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:33,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:33,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:33,674 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:48:33,676 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:33,706 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 02:48:35,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:35,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 257 states and 542 transitions. [2023-11-19 02:48:35,432 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 542 transitions. [2023-11-19 02:48:35,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 02:48:35,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:35,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:35,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:35,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:48:35,472 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:36,284 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 02:48:40,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:40,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 270 states and 575 transitions. [2023-11-19 02:48:40,252 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 575 transitions. [2023-11-19 02:48:40,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 02:48:40,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:40,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:40,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:40,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:48:40,296 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:40,334 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 02:48:40,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:40,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 271 states and 576 transitions. [2023-11-19 02:48:40,369 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 576 transitions. [2023-11-19 02:48:40,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 02:48:40,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:40,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:40,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:40,397 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:48:40,399 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:40,489 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 02:48:42,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:42,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 279 states and 600 transitions. [2023-11-19 02:48:42,114 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 600 transitions. [2023-11-19 02:48:42,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 02:48:42,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:42,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:42,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:42,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:48:42,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:42,203 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 02:48:44,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:44,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 290 states and 628 transitions. [2023-11-19 02:48:44,258 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 628 transitions. [2023-11-19 02:48:44,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 02:48:44,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:44,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:44,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:44,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:48:44,298 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:44,373 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-19 02:48:45,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:45,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 294 states and 632 transitions. [2023-11-19 02:48:45,947 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 632 transitions. [2023-11-19 02:48:45,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 02:48:45,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:45,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:45,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:45,988 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:48:45,990 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:46,420 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 02:48:51,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:51,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 311 states and 670 transitions. [2023-11-19 02:48:51,057 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 670 transitions. [2023-11-19 02:48:51,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 02:48:51,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:51,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:51,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:51,089 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:48:51,090 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:51,281 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:48:53,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:48:53,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 319 states and 679 transitions. [2023-11-19 02:48:53,184 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 679 transitions. [2023-11-19 02:48:53,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 02:48:53,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:48:53,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:48:53,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:48:53,213 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 02:48:53,214 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:48:53,382 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked.