./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be98354f-ab55-47d0-909e-d161ba818f2c/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be98354f-ab55-47d0-909e-d161ba818f2c/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_be98354f-ab55-47d0-909e-d161ba818f2c/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be98354f-ab55-47d0-909e-d161ba818f2c/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be98354f-ab55-47d0-909e-d161ba818f2c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be98354f-ab55-47d0-909e-d161ba818f2c/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 20f9ce6814caacb533e5bf2143ac3e067387f11238548a0b9b41e2de8e2cc436 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:45:53,422 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:45:53,563 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be98354f-ab55-47d0-909e-d161ba818f2c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:45:53,574 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:45:53,575 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:45:53,618 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:45:53,620 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:45:53,621 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:45:53,623 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:45:53,627 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:45:53,628 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:45:53,629 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:45:53,629 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:45:53,631 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:45:53,631 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:45:53,632 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:45:53,632 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:45:53,632 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:45:53,633 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:45:53,633 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:45:53,634 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:45:53,634 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:45:53,636 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:45:53,637 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:45:53,637 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:45:53,638 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:45:53,638 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:45:53,639 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:45:53,639 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:45:53,640 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:45:53,641 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:45:53,641 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:45:53,642 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:45:53,642 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_be98354f-ab55-47d0-909e-d161ba818f2c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be98354f-ab55-47d0-909e-d161ba818f2c/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 20f9ce6814caacb533e5bf2143ac3e067387f11238548a0b9b41e2de8e2cc436 [2023-11-19 02:45:53,921 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:45:53,951 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:45:53,954 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:45:53,955 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:45:53,955 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:45:53,957 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be98354f-ab55-47d0-909e-d161ba818f2c/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound20.c [2023-11-19 02:45:57,023 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:45:57,208 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:45:57,208 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be98354f-ab55-47d0-909e-d161ba818f2c/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound20.c [2023-11-19 02:45:57,215 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be98354f-ab55-47d0-909e-d161ba818f2c/bin/ukojak-verify-G8NBE6pJGL/data/607a1c0fa/3dbe519b6400493f8ba947a28d77f27a/FLAG8b7bd6431 [2023-11-19 02:45:57,228 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be98354f-ab55-47d0-909e-d161ba818f2c/bin/ukojak-verify-G8NBE6pJGL/data/607a1c0fa/3dbe519b6400493f8ba947a28d77f27a [2023-11-19 02:45:57,230 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:45:57,232 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:45:57,233 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:45:57,233 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:45:57,238 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:45:57,239 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:45:57" (1/1) ... [2023-11-19 02:45:57,240 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@429878b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:57, skipping insertion in model container [2023-11-19 02:45:57,241 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:45:57" (1/1) ... [2023-11-19 02:45:57,263 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:45:57,415 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be98354f-ab55-47d0-909e-d161ba818f2c/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound20.c[489,502] [2023-11-19 02:45:57,433 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:45:57,442 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:45:57,455 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be98354f-ab55-47d0-909e-d161ba818f2c/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_valuebound20.c[489,502] [2023-11-19 02:45:57,464 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:45:57,479 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:45:57,479 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:57 WrapperNode [2023-11-19 02:45:57,479 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:45:57,481 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:45:57,481 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:45:57,481 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:45:57,489 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:57" (1/1) ... [2023-11-19 02:45:57,495 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:57" (1/1) ... [2023-11-19 02:45:57,514 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 57 [2023-11-19 02:45:57,514 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:45:57,515 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:45:57,515 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:45:57,515 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:45:57,524 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:57" (1/1) ... [2023-11-19 02:45:57,524 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:57" (1/1) ... [2023-11-19 02:45:57,526 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:57" (1/1) ... [2023-11-19 02:45:57,526 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:57" (1/1) ... [2023-11-19 02:45:57,530 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:57" (1/1) ... [2023-11-19 02:45:57,533 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:57" (1/1) ... [2023-11-19 02:45:57,534 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:57" (1/1) ... [2023-11-19 02:45:57,535 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:57" (1/1) ... [2023-11-19 02:45:57,537 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:45:57,538 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:45:57,538 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:45:57,538 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:45:57,539 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:57" (1/1) ... [2023-11-19 02:45:57,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:45:57,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be98354f-ab55-47d0-909e-d161ba818f2c/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:45:57,578 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be98354f-ab55-47d0-909e-d161ba818f2c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:45:57,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be98354f-ab55-47d0-909e-d161ba818f2c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:45:57,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:45:57,624 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:45:57,625 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:45:57,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:45:57,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:45:57,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:45:57,627 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:45:57,627 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:45:57,702 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:45:57,705 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:45:57,949 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:45:57,990 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:45:57,990 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:45:57,995 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:45:57 BoogieIcfgContainer [2023-11-19 02:45:57,995 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:45:57,996 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:45:57,997 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:45:58,007 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:45:58,007 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:45:57" (1/1) ... [2023-11-19 02:45:58,015 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:45:58,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:58,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2023-11-19 02:45:58,072 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2023-11-19 02:45:58,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:45:58,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:58,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:58,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:58,216 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 02:45:58,228 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:58,413 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 02:45:58,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:58,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 30 states and 48 transitions. [2023-11-19 02:45:58,573 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 48 transitions. [2023-11-19 02:45:58,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:45:58,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:58,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:58,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:58,627 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 02:45:58,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:58,694 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:45:58,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:58,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 55 transitions. [2023-11-19 02:45:58,882 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2023-11-19 02:45:58,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:45:58,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:58,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:58,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:58,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:45:58,949 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:59,081 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-19 02:45:59,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:59,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 37 states and 64 transitions. [2023-11-19 02:45:59,517 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 64 transitions. [2023-11-19 02:45:59,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 02:45:59,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:59,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:59,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:59,566 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:45:59,569 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:45:59,603 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 02:45:59,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:45:59,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 37 states and 63 transitions. [2023-11-19 02:45:59,651 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 63 transitions. [2023-11-19 02:45:59,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 02:45:59,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:45:59,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:45:59,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:45:59,704 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 02:45:59,707 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:00,018 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 02:46:00,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:00,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 41 states and 75 transitions. [2023-11-19 02:46:00,505 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 75 transitions. [2023-11-19 02:46:00,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 02:46:00,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:00,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:00,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:00,550 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 02:46:00,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:00,766 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 1 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-11-19 02:46:01,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:01,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 45 states and 86 transitions. [2023-11-19 02:46:01,306 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 86 transitions. [2023-11-19 02:46:01,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 02:46:01,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:01,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:01,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:01,362 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 02:46:01,366 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:01,923 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-19 02:46:03,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:03,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 54 states and 108 transitions. [2023-11-19 02:46:03,144 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 108 transitions. [2023-11-19 02:46:03,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 02:46:03,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:03,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:03,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:03,205 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-19 02:46:03,213 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:03,521 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 13 proven. 7 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-11-19 02:46:04,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:04,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 58 states and 121 transitions. [2023-11-19 02:46:04,284 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 121 transitions. [2023-11-19 02:46:04,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 02:46:04,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:04,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:04,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:04,328 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-19 02:46:04,332 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:04,560 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 02:46:04,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:04,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 60 states and 125 transitions. [2023-11-19 02:46:04,925 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 125 transitions. [2023-11-19 02:46:04,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 02:46:04,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:04,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:04,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:04,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:46:04,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:05,015 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-11-19 02:46:05,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:05,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 63 states and 132 transitions. [2023-11-19 02:46:05,488 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 132 transitions. [2023-11-19 02:46:05,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 02:46:05,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:05,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:05,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:05,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-19 02:46:05,544 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:06,181 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-19 02:46:07,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:07,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 68 states and 146 transitions. [2023-11-19 02:46:07,541 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 146 transitions. [2023-11-19 02:46:07,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 02:46:07,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:07,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:07,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:07,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 02:46:07,587 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:08,087 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-19 02:46:09,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:09,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 77 states and 160 transitions. [2023-11-19 02:46:09,108 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 160 transitions. [2023-11-19 02:46:09,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 02:46:09,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:09,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:09,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:09,154 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 02:46:09,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:09,523 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-11-19 02:46:09,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:09,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 77 states and 160 transitions. [2023-11-19 02:46:09,585 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 160 transitions. [2023-11-19 02:46:09,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 02:46:09,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:09,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:09,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:09,650 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-19 02:46:09,653 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:09,970 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 19 proven. 11 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 02:46:10,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:10,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 77 states and 160 transitions. [2023-11-19 02:46:10,009 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 160 transitions. [2023-11-19 02:46:10,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 02:46:10,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:10,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:10,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:10,050 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-19 02:46:10,052 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:10,621 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 11 proven. 18 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-11-19 02:46:12,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:12,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 88 states and 188 transitions. [2023-11-19 02:46:12,384 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 188 transitions. [2023-11-19 02:46:12,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 02:46:12,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:12,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:12,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:12,426 INFO L262 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-19 02:46:12,428 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:13,345 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2023-11-19 02:46:13,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:13,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 79 states and 170 transitions. [2023-11-19 02:46:13,922 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 170 transitions. [2023-11-19 02:46:13,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 02:46:13,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:13,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:13,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:13,967 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:46:13,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:14,083 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-11-19 02:46:15,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:15,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 83 states and 180 transitions. [2023-11-19 02:46:15,121 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 180 transitions. [2023-11-19 02:46:15,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 02:46:15,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:15,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:15,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:15,178 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:46:15,180 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:15,832 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-19 02:46:17,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:17,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 87 states and 197 transitions. [2023-11-19 02:46:17,445 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 197 transitions. [2023-11-19 02:46:17,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 02:46:17,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:17,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:17,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:17,510 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:46:17,512 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:17,947 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-19 02:46:18,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:18,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 88 states and 199 transitions. [2023-11-19 02:46:18,360 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 199 transitions. [2023-11-19 02:46:18,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 02:46:18,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:18,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:18,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:18,418 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 02:46:18,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:18,679 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2023-11-19 02:46:20,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:20,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 92 states and 210 transitions. [2023-11-19 02:46:20,379 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 210 transitions. [2023-11-19 02:46:20,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-19 02:46:20,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:20,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:20,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:20,417 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 02:46:20,419 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:20,442 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2023-11-19 02:46:20,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:20,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 93 states and 211 transitions. [2023-11-19 02:46:20,830 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 211 transitions. [2023-11-19 02:46:20,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 02:46:20,831 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:20,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:20,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:20,883 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-19 02:46:20,885 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:22,680 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 22 proven. 25 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-11-19 02:46:27,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:27,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 106 states and 248 transitions. [2023-11-19 02:46:27,719 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 248 transitions. [2023-11-19 02:46:27,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-19 02:46:27,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:27,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:27,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:27,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-19 02:46:27,780 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:29,467 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 16 proven. 12 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2023-11-19 02:46:35,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:35,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 119 states and 282 transitions. [2023-11-19 02:46:35,489 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 282 transitions. [2023-11-19 02:46:35,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 02:46:35,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:35,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:35,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:35,543 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:46:35,545 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:35,746 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 27 proven. 13 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-11-19 02:46:39,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:39,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 122 states and 289 transitions. [2023-11-19 02:46:39,956 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 289 transitions. [2023-11-19 02:46:39,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 02:46:39,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:39,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:40,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:40,001 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 02:46:40,003 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:40,053 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 27 proven. 13 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-11-19 02:46:41,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:41,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 124 states and 293 transitions. [2023-11-19 02:46:41,078 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 293 transitions. [2023-11-19 02:46:41,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 02:46:41,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:41,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:41,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:41,139 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-19 02:46:41,142 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:43,018 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 20 proven. 13 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-19 02:46:46,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:46,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 128 states and 306 transitions. [2023-11-19 02:46:46,753 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 306 transitions. [2023-11-19 02:46:46,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-19 02:46:46,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:46,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:46,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:46,830 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-19 02:46:46,834 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:47,979 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 20 proven. 13 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked.