./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_d25709c6-dc2f-454b-a65e-a81b6078b453/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25709c6-dc2f-454b-a65e-a81b6078b453/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25709c6-dc2f-454b-a65e-a81b6078b453/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25709c6-dc2f-454b-a65e-a81b6078b453/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25709c6-dc2f-454b-a65e-a81b6078b453/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25709c6-dc2f-454b-a65e-a81b6078b453/bin/ukojak-verify-i0I2FZA1j2 --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 ca6b6f09277139d829682a6458fdcdacf72411331aa404fd46248e3dcb9a9e7f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:43:33,721 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:43:33,846 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25709c6-dc2f-454b-a65e-a81b6078b453/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:43:33,855 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:43:33,855 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:43:33,888 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:43:33,889 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:43:33,890 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:43:33,891 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:43:33,891 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:43:33,892 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:43:33,893 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:43:33,894 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:43:33,894 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:43:33,895 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:43:33,896 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:43:33,896 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:43:33,897 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:43:33,898 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:43:33,898 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:43:33,899 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:43:33,904 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:43:33,905 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:43:33,905 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:43:33,906 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:43:33,906 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:43:33,907 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:43:33,907 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:43:33,908 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:43:33,908 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:43:33,908 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:43:33,909 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:43:33,909 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:43:33,910 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:43:33,910 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:43:33,910 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_d25709c6-dc2f-454b-a65e-a81b6078b453/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25709c6-dc2f-454b-a65e-a81b6078b453/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca6b6f09277139d829682a6458fdcdacf72411331aa404fd46248e3dcb9a9e7f [2023-11-21 18:43:34,203 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:43:34,235 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:43:34,238 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:43:34,240 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:43:34,241 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:43:34,242 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25709c6-dc2f-454b-a65e-a81b6078b453/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound10.c [2023-11-21 18:43:37,405 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:43:37,731 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:43:37,732 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25709c6-dc2f-454b-a65e-a81b6078b453/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound10.c [2023-11-21 18:43:37,741 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25709c6-dc2f-454b-a65e-a81b6078b453/bin/ukojak-verify-i0I2FZA1j2/data/542371997/61afe47afbd5441297795469aeb74584/FLAG3d896176a [2023-11-21 18:43:37,754 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25709c6-dc2f-454b-a65e-a81b6078b453/bin/ukojak-verify-i0I2FZA1j2/data/542371997/61afe47afbd5441297795469aeb74584 [2023-11-21 18:43:37,756 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:43:37,758 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:43:37,759 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:43:37,759 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:43:37,764 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:43:37,765 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:43:37" (1/1) ... [2023-11-21 18:43:37,766 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e6f238 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:37, skipping insertion in model container [2023-11-21 18:43:37,767 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:43:37" (1/1) ... [2023-11-21 18:43:37,789 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:43:37,969 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:43:37,979 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:43:37,995 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:43:38,009 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:43:38,010 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:38 WrapperNode [2023-11-21 18:43:38,010 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:43:38,011 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:43:38,011 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:43:38,011 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:43:38,019 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:38" (1/1) ... [2023-11-21 18:43:38,026 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:38" (1/1) ... [2023-11-21 18:43:38,049 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 65 [2023-11-21 18:43:38,050 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:43:38,050 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:43:38,051 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:43:38,051 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:43:38,061 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:38" (1/1) ... [2023-11-21 18:43:38,061 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:38" (1/1) ... [2023-11-21 18:43:38,062 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:38" (1/1) ... [2023-11-21 18:43:38,063 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:38" (1/1) ... [2023-11-21 18:43:38,066 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:38" (1/1) ... [2023-11-21 18:43:38,070 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:38" (1/1) ... [2023-11-21 18:43:38,071 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:38" (1/1) ... [2023-11-21 18:43:38,073 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:38" (1/1) ... [2023-11-21 18:43:38,074 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:43:38,075 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:43:38,075 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:43:38,076 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:43:38,076 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:43:38" (1/1) ... [2023-11-21 18:43:38,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:43:38,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25709c6-dc2f-454b-a65e-a81b6078b453/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:43:38,118 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25709c6-dc2f-454b-a65e-a81b6078b453/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:43:38,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d25709c6-dc2f-454b-a65e-a81b6078b453/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:43:38,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:43:38,165 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:43:38,165 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:43:38,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:43:38,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:43:38,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:43:38,166 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:43:38,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:43:38,236 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:43:38,239 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:43:38,447 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:43:38,481 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:43:38,481 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:43:38,483 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:43:38 BoogieIcfgContainer [2023-11-21 18:43:38,483 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:43:38,484 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:43:38,484 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:43:38,495 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:43:38,495 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:43:38" (1/1) ... [2023-11-21 18:43:38,505 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:43:38,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:38,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 49 states and 54 transitions. [2023-11-21 18:43:38,564 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2023-11-21 18:43:38,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:43:38,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:38,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:38,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:38,712 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:43:38,718 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:38,908 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:43:39,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:39,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 51 states and 56 transitions. [2023-11-21 18:43:39,051 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 56 transitions. [2023-11-21 18:43:39,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:43:39,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:39,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:39,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:39,090 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-21 18:43:39,092 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:39,326 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:43:39,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:39,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 54 states and 61 transitions. [2023-11-21 18:43:39,715 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 61 transitions. [2023-11-21 18:43:39,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:43:39,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:39,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:39,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:39,771 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:43:39,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:39,864 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:43:40,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:40,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 58 states and 68 transitions. [2023-11-21 18:43:40,236 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 68 transitions. [2023-11-21 18:43:40,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:43:40,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:40,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:40,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:40,306 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:43:40,308 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:40,476 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:43:41,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:41,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 63 states and 77 transitions. [2023-11-21 18:43:41,139 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 77 transitions. [2023-11-21 18:43:41,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:43:41,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:41,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:41,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:41,171 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-21 18:43:41,173 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:41,281 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:43:42,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:42,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 69 states and 88 transitions. [2023-11-21 18:43:42,209 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 88 transitions. [2023-11-21 18:43:42,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:43:42,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:42,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:42,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:42,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:43:42,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:42,332 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:43:42,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:42,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 70 states and 90 transitions. [2023-11-21 18:43:42,444 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 90 transitions. [2023-11-21 18:43:42,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:43:42,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:42,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:42,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:42,480 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:43:42,485 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:42,608 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:43:42,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:42,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 73 states and 95 transitions. [2023-11-21 18:43:42,761 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 95 transitions. [2023-11-21 18:43:42,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:43:42,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:42,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:42,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:42,791 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:43:42,792 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:42,850 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:43:43,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:43,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 72 states and 94 transitions. [2023-11-21 18:43:43,006 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 94 transitions. [2023-11-21 18:43:43,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:43:43,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:43,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:43,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:43,064 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:43:43,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:43,225 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:43:44,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:44,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 81 states and 112 transitions. [2023-11-21 18:43:44,935 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 112 transitions. [2023-11-21 18:43:44,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:43:44,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:44,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:44,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:44,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:43:44,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:45,047 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:43:45,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:45,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 82 states and 115 transitions. [2023-11-21 18:43:45,122 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 115 transitions. [2023-11-21 18:43:45,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:43:45,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:45,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:45,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:45,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:43:45,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:45,353 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:43:47,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:47,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 91 states and 132 transitions. [2023-11-21 18:43:47,313 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 132 transitions. [2023-11-21 18:43:47,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:43:47,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:47,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:47,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:47,361 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:43:47,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:47,444 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:43:47,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:47,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 93 states and 137 transitions. [2023-11-21 18:43:47,635 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 137 transitions. [2023-11-21 18:43:47,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:43:47,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:47,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:47,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:47,662 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:43:47,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:47,728 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:43:48,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:48,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 95 states and 141 transitions. [2023-11-21 18:43:48,561 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 141 transitions. [2023-11-21 18:43:48,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:43:48,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:48,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:48,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:48,590 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:43:48,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:48,708 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:43:52,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:52,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 105 states and 161 transitions. [2023-11-21 18:43:52,176 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 161 transitions. [2023-11-21 18:43:52,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:43:52,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:52,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:52,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:52,228 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:43:52,231 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:52,369 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:43:55,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:55,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 116 states and 183 transitions. [2023-11-21 18:43:55,930 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 183 transitions. [2023-11-21 18:43:55,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:43:55,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:55,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:55,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:55,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:43:55,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:55,987 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:43:56,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:56,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 120 states and 193 transitions. [2023-11-21 18:43:56,663 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 193 transitions. [2023-11-21 18:43:56,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:43:56,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:56,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:56,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:56,692 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:43:56,693 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:56,741 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:43:57,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:57,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 123 states and 198 transitions. [2023-11-21 18:43:57,422 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 198 transitions. [2023-11-21 18:43:57,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:43:57,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:57,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:57,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:57,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:43:57,452 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:57,493 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:43:57,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:43:57,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 125 states and 201 transitions. [2023-11-21 18:43:57,947 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 201 transitions. [2023-11-21 18:43:57,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:43:57,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:43:57,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:43:57,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:43:57,997 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-21 18:43:57,999 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:43:58,200 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:44:00,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:00,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 137 states and 227 transitions. [2023-11-21 18:44:00,608 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 227 transitions. [2023-11-21 18:44:00,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:44:00,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:00,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:00,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:00,635 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:44:00,636 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:00,792 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:44:01,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:01,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 138 states and 228 transitions. [2023-11-21 18:44:01,138 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 228 transitions. [2023-11-21 18:44:01,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:44:01,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:01,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:01,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:01,177 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-21 18:44:01,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:01,733 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:44:04,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:04,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 152 states and 258 transitions. [2023-11-21 18:44:04,366 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 258 transitions. [2023-11-21 18:44:04,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:44:04,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:04,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:04,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:04,401 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:44:04,402 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:04,436 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:44:05,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:05,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 156 states and 263 transitions. [2023-11-21 18:44:05,013 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 263 transitions. [2023-11-21 18:44:05,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:44:05,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:05,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:05,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:05,043 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:44:05,044 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:05,078 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:44:05,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:05,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 159 states and 266 transitions. [2023-11-21 18:44:05,509 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 266 transitions. [2023-11-21 18:44:05,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:44:05,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:05,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:05,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:05,545 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:44:05,546 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:05,581 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-21 18:44:06,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:06,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 166 states and 274 transitions. [2023-11-21 18:44:06,542 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 274 transitions. [2023-11-21 18:44:06,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:44:06,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:06,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:06,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:06,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-21 18:44:06,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:07,105 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:44:09,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:09,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 176 states and 291 transitions. [2023-11-21 18:44:09,909 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 291 transitions. [2023-11-21 18:44:09,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:44:09,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:09,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:09,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:09,934 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:44:09,935 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:09,967 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:44:15,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:15,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 187 states and 311 transitions. [2023-11-21 18:44:15,336 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 311 transitions. [2023-11-21 18:44:15,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:44:15,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:15,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:15,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:15,362 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:44:15,363 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:15,393 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:44:15,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:15,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 190 states and 314 transitions. [2023-11-21 18:44:15,898 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 314 transitions. [2023-11-21 18:44:15,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:44:15,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:15,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:15,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:15,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-21 18:44:15,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:16,755 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:44:20,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:20,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 201 states and 339 transitions. [2023-11-21 18:44:20,008 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 339 transitions. [2023-11-21 18:44:20,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:44:20,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:20,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:20,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:20,033 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:44:20,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:20,075 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:44:25,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:25,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 212 states and 360 transitions. [2023-11-21 18:44:25,293 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 360 transitions. [2023-11-21 18:44:25,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:44:25,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:25,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:25,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:25,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:44:25,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:25,354 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:44:25,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:25,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 215 states and 363 transitions. [2023-11-21 18:44:25,974 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 363 transitions. [2023-11-21 18:44:25,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:44:25,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:25,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:26,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:26,004 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:44:26,006 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:26,224 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:44:27,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:44:27,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 225 states and 374 transitions. [2023-11-21 18:44:27,713 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 374 transitions. [2023-11-21 18:44:27,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:44:27,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:44:27,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:44:27,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:44:27,743 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-21 18:44:27,745 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:44:29,287 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.