./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_56eda62c-1b5f-471c-b41b-766164dc4e8f/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56eda62c-1b5f-471c-b41b-766164dc4e8f/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_56eda62c-1b5f-471c-b41b-766164dc4e8f/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56eda62c-1b5f-471c-b41b-766164dc4e8f/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56eda62c-1b5f-471c-b41b-766164dc4e8f/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_56eda62c-1b5f-471c-b41b-766164dc4e8f/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 a95a21aef2f50b6142b75e9167422e223cf73e944019da3877f24b8f537b25b5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:03:02,657 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:03:02,737 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56eda62c-1b5f-471c-b41b-766164dc4e8f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:03:02,743 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:03:02,744 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:03:02,771 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:03:02,772 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:03:02,773 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:03:02,774 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:03:02,775 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:03:02,776 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:03:02,776 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:03:02,777 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:03:02,778 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:03:02,779 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:03:02,780 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:03:02,780 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:03:02,781 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:03:02,782 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:03:02,782 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:03:02,783 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:03:02,784 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:03:02,785 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:03:02,785 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:03:02,786 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:03:02,787 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:03:02,788 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:03:02,788 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:03:02,789 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:03:02,790 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:03:02,791 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:03:02,791 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:03:02,792 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:03:02,793 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:03:02,794 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:03:02,794 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_56eda62c-1b5f-471c-b41b-766164dc4e8f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56eda62c-1b5f-471c-b41b-766164dc4e8f/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a95a21aef2f50b6142b75e9167422e223cf73e944019da3877f24b8f537b25b5 [2023-11-19 03:03:03,112 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:03:03,147 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:03:03,168 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:03:03,171 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:03:03,172 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:03:03,174 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56eda62c-1b5f-471c-b41b-766164dc4e8f/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound20.c [2023-11-19 03:03:06,387 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:03:06,640 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:03:06,641 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56eda62c-1b5f-471c-b41b-766164dc4e8f/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound20.c [2023-11-19 03:03:06,651 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56eda62c-1b5f-471c-b41b-766164dc4e8f/bin/ukojak-verify-G8NBE6pJGL/data/1d859e6c7/d70ee7948b084df2a8d0c95be694f4db/FLAG6c1b5565b [2023-11-19 03:03:06,670 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56eda62c-1b5f-471c-b41b-766164dc4e8f/bin/ukojak-verify-G8NBE6pJGL/data/1d859e6c7/d70ee7948b084df2a8d0c95be694f4db [2023-11-19 03:03:06,676 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:03:06,678 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:03:06,684 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:03:06,685 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:03:06,691 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:03:06,692 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:03:06" (1/1) ... [2023-11-19 03:03:06,694 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7374c560 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:06, skipping insertion in model container [2023-11-19 03:03:06,694 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:03:06" (1/1) ... [2023-11-19 03:03:06,721 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:03:06,939 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:03:06,951 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:03:06,973 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:03:06,990 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:03:06,991 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:06 WrapperNode [2023-11-19 03:03:06,991 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:03:06,992 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:03:06,993 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:03:06,993 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:03:07,002 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:06" (1/1) ... [2023-11-19 03:03:07,015 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:06" (1/1) ... [2023-11-19 03:03:07,059 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 65 [2023-11-19 03:03:07,059 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:03:07,060 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:03:07,061 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:03:07,067 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:03:07,075 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:06" (1/1) ... [2023-11-19 03:03:07,075 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:06" (1/1) ... [2023-11-19 03:03:07,077 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:06" (1/1) ... [2023-11-19 03:03:07,077 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:06" (1/1) ... [2023-11-19 03:03:07,081 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:06" (1/1) ... [2023-11-19 03:03:07,084 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:06" (1/1) ... [2023-11-19 03:03:07,085 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:06" (1/1) ... [2023-11-19 03:03:07,087 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:06" (1/1) ... [2023-11-19 03:03:07,089 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:03:07,090 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:03:07,090 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:03:07,090 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:03:07,091 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:03:06" (1/1) ... [2023-11-19 03:03:07,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:03:07,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56eda62c-1b5f-471c-b41b-766164dc4e8f/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:03:07,130 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56eda62c-1b5f-471c-b41b-766164dc4e8f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:03:07,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56eda62c-1b5f-471c-b41b-766164dc4e8f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:03:07,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:03:07,173 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:03:07,173 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:03:07,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:03:07,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:03:07,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:03:07,177 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:03:07,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:03:07,259 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:03:07,261 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:03:07,494 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:03:07,543 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:03:07,547 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:03:07,553 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:03:07 BoogieIcfgContainer [2023-11-19 03:03:07,554 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:03:07,555 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:03:07,556 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:03:07,567 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:03:07,568 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:03:07" (1/1) ... [2023-11-19 03:03:07,577 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:03:07,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:07,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 49 states and 54 transitions. [2023-11-19 03:03:07,639 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2023-11-19 03:03:07,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:03:07,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:07,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:07,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:07,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 03:03:07,860 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:08,134 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:03:08,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:08,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 51 states and 56 transitions. [2023-11-19 03:03:08,281 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 56 transitions. [2023-11-19 03:03:08,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:03:08,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:08,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:08,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:08,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:03:08,321 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:08,497 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:03:08,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:08,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 54 states and 61 transitions. [2023-11-19 03:03:08,915 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 61 transitions. [2023-11-19 03:03:08,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 03:03:08,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:08,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:08,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:08,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:03:08,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:09,030 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 03:03:09,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:09,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 58 states and 68 transitions. [2023-11-19 03:03:09,465 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 68 transitions. [2023-11-19 03:03:09,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:03:09,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:09,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:09,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:09,527 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:03:09,528 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:09,701 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 03:03:10,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:10,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 63 states and 77 transitions. [2023-11-19 03:03:10,395 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 77 transitions. [2023-11-19 03:03:10,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:03:10,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:10,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:10,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:10,439 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 03:03:10,441 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:10,551 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 03:03:11,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:11,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 69 states and 88 transitions. [2023-11-19 03:03:11,631 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 88 transitions. [2023-11-19 03:03:11,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:03:11,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:11,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:11,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:11,664 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 03:03:11,666 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:11,812 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 03:03:11,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:11,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 70 states and 89 transitions. [2023-11-19 03:03:11,851 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 89 transitions. [2023-11-19 03:03:11,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:03:11,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:11,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:11,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:11,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:03:11,887 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:12,036 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 03:03:12,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:12,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 73 states and 94 transitions. [2023-11-19 03:03:12,290 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 94 transitions. [2023-11-19 03:03:12,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:03:12,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:12,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:12,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:12,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:03:12,324 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:12,382 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 03:03:12,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:12,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 72 states and 93 transitions. [2023-11-19 03:03:12,642 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 93 transitions. [2023-11-19 03:03:12,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:03:12,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:12,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:12,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:12,707 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:03:12,710 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:12,881 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 03:03:14,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:14,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 81 states and 110 transitions. [2023-11-19 03:03:14,668 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 110 transitions. [2023-11-19 03:03:14,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:03:14,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:14,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:14,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:14,698 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:03:14,700 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:14,777 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 03:03:14,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:14,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 82 states and 113 transitions. [2023-11-19 03:03:14,865 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 113 transitions. [2023-11-19 03:03:14,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:03:14,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:14,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:14,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:14,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:03:14,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:15,114 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 03:03:17,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:17,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 91 states and 129 transitions. [2023-11-19 03:03:17,193 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 129 transitions. [2023-11-19 03:03:17,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:03:17,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:17,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:17,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:17,240 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:03:17,241 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:17,327 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 03:03:17,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:17,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 93 states and 134 transitions. [2023-11-19 03:03:17,518 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 134 transitions. [2023-11-19 03:03:17,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:03:17,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:17,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:17,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:17,549 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:03:17,550 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:17,625 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 03:03:18,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:18,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 95 states and 138 transitions. [2023-11-19 03:03:18,690 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 138 transitions. [2023-11-19 03:03:18,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:03:18,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:18,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:18,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:18,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:03:18,723 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:18,862 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 03:03:22,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:22,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 105 states and 157 transitions. [2023-11-19 03:03:22,158 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 157 transitions. [2023-11-19 03:03:22,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:03:22,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:22,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:22,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:22,185 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:03:22,187 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:22,313 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 03:03:26,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:26,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 116 states and 178 transitions. [2023-11-19 03:03:26,145 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 178 transitions. [2023-11-19 03:03:26,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:03:26,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:26,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:26,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:26,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:03:26,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:26,215 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 03:03:26,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:26,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 120 states and 188 transitions. [2023-11-19 03:03:26,894 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 188 transitions. [2023-11-19 03:03:26,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:03:26,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:26,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:26,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:26,943 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:03:26,949 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:26,992 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 03:03:27,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:27,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 123 states and 193 transitions. [2023-11-19 03:03:27,806 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 193 transitions. [2023-11-19 03:03:27,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:03:27,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:27,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:27,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:27,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:03:27,840 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:27,890 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 03:03:28,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:28,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 125 states and 196 transitions. [2023-11-19 03:03:28,518 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 196 transitions. [2023-11-19 03:03:28,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:03:28,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:28,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:28,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:28,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 03:03:28,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:29,301 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:03:32,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:32,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 137 states and 222 transitions. [2023-11-19 03:03:32,125 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 222 transitions. [2023-11-19 03:03:32,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:03:32,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:32,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:32,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:32,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:03:32,159 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:32,380 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 03:03:32,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:32,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 138 states and 223 transitions. [2023-11-19 03:03:32,741 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 223 transitions. [2023-11-19 03:03:32,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:03:32,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:32,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:32,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:32,800 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-19 03:03:32,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:33,243 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:03:36,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:36,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 152 states and 248 transitions. [2023-11-19 03:03:36,214 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 248 transitions. [2023-11-19 03:03:36,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:03:36,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:36,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:36,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:36,246 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:03:36,247 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:36,289 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:03:37,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:37,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 156 states and 253 transitions. [2023-11-19 03:03:37,274 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 253 transitions. [2023-11-19 03:03:37,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:03:37,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:37,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:37,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:37,305 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:03:37,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:37,342 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:03:37,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:37,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 159 states and 256 transitions. [2023-11-19 03:03:37,796 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 256 transitions. [2023-11-19 03:03:37,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:03:37,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:37,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:37,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:37,845 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:03:37,847 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:37,882 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 03:03:39,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:39,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 166 states and 264 transitions. [2023-11-19 03:03:39,238 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 264 transitions. [2023-11-19 03:03:39,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:03:39,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:39,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:39,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:39,271 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 03:03:39,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:40,144 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:03:44,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:44,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 176 states and 287 transitions. [2023-11-19 03:03:44,319 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 287 transitions. [2023-11-19 03:03:44,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:03:44,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:44,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:44,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:44,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:03:44,351 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:44,383 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:03:51,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:51,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 187 states and 307 transitions. [2023-11-19 03:03:51,084 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 307 transitions. [2023-11-19 03:03:51,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:03:51,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:51,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:51,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:51,115 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:03:51,116 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:51,144 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:03:51,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:51,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 190 states and 310 transitions. [2023-11-19 03:03:51,833 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 310 transitions. [2023-11-19 03:03:51,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:03:51,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:51,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:51,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:51,898 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-19 03:03:51,900 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:53,010 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:03:55,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:03:55,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 195 states and 326 transitions. [2023-11-19 03:03:55,645 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 326 transitions. [2023-11-19 03:03:55,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:03:55,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:03:55,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:03:55,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:03:55,676 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-19 03:03:55,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:03:56,160 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.