./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound100.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_44e40f52-8385-4ece-bc28-0a150ff78f53/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e40f52-8385-4ece-bc28-0a150ff78f53/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_44e40f52-8385-4ece-bc28-0a150ff78f53/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e40f52-8385-4ece-bc28-0a150ff78f53/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e40f52-8385-4ece-bc28-0a150ff78f53/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_44e40f52-8385-4ece-bc28-0a150ff78f53/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 8bd25fcd8e8d81d9ce03f11651b22e7d6f0ec0da3b511f7ebe00128a9109f319 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:46:28,828 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:46:28,960 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e40f52-8385-4ece-bc28-0a150ff78f53/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:46:28,970 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:46:28,971 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:46:29,011 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:46:29,013 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:46:29,014 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:46:29,015 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:46:29,022 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:46:29,024 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:46:29,025 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:46:29,025 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:46:29,027 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:46:29,028 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:46:29,028 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:46:29,029 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:46:29,029 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:46:29,030 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:46:29,030 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:46:29,031 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:46:29,031 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:46:29,032 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:46:29,034 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:46:29,035 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:46:29,036 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:46:29,036 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:46:29,037 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:46:29,037 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:46:29,038 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:46:29,039 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:46:29,040 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:46:29,040 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:46:29,040 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:46:29,040 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:46:29,041 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_44e40f52-8385-4ece-bc28-0a150ff78f53/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e40f52-8385-4ece-bc28-0a150ff78f53/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8bd25fcd8e8d81d9ce03f11651b22e7d6f0ec0da3b511f7ebe00128a9109f319 [2023-11-21 18:46:29,391 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:46:29,427 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:46:29,430 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:46:29,431 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:46:29,432 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:46:29,434 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e40f52-8385-4ece-bc28-0a150ff78f53/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound100.c [2023-11-21 18:46:32,557 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:46:32,742 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:46:32,742 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e40f52-8385-4ece-bc28-0a150ff78f53/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound100.c [2023-11-21 18:46:32,751 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e40f52-8385-4ece-bc28-0a150ff78f53/bin/ukojak-verify-i0I2FZA1j2/data/14a060ad7/5c5e9f690edb44d88316a5b6fc730b37/FLAG9939e8a1a [2023-11-21 18:46:32,766 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e40f52-8385-4ece-bc28-0a150ff78f53/bin/ukojak-verify-i0I2FZA1j2/data/14a060ad7/5c5e9f690edb44d88316a5b6fc730b37 [2023-11-21 18:46:32,768 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:46:32,770 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:46:32,772 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:46:32,772 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:46:32,777 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:46:32,778 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:46:32" (1/1) ... [2023-11-21 18:46:32,779 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b694a90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:32, skipping insertion in model container [2023-11-21 18:46:32,780 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:46:32" (1/1) ... [2023-11-21 18:46:32,802 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:46:33,020 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:46:33,032 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:46:33,061 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:46:33,077 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:46:33,078 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:33 WrapperNode [2023-11-21 18:46:33,078 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:46:33,080 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:46:33,080 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:46:33,080 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:46:33,088 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:33" (1/1) ... [2023-11-21 18:46:33,104 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:33" (1/1) ... [2023-11-21 18:46:33,137 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 65 [2023-11-21 18:46:33,137 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:46:33,138 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:46:33,138 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:46:33,138 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:46:33,149 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:33" (1/1) ... [2023-11-21 18:46:33,149 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:33" (1/1) ... [2023-11-21 18:46:33,153 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:33" (1/1) ... [2023-11-21 18:46:33,153 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:33" (1/1) ... [2023-11-21 18:46:33,165 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:33" (1/1) ... [2023-11-21 18:46:33,168 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:33" (1/1) ... [2023-11-21 18:46:33,170 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:33" (1/1) ... [2023-11-21 18:46:33,171 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:33" (1/1) ... [2023-11-21 18:46:33,172 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:46:33,173 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:46:33,173 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:46:33,174 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:46:33,174 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:33" (1/1) ... [2023-11-21 18:46:33,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:46:33,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e40f52-8385-4ece-bc28-0a150ff78f53/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:46:33,209 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e40f52-8385-4ece-bc28-0a150ff78f53/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:46:33,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44e40f52-8385-4ece-bc28-0a150ff78f53/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:46:33,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:46:33,266 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:46:33,266 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:46:33,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:46:33,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:46:33,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:46:33,268 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:46:33,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:46:33,333 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:46:33,335 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:46:33,553 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:46:33,589 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:46:33,590 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:46:33,592 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:46:33 BoogieIcfgContainer [2023-11-21 18:46:33,592 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:46:33,593 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:46:33,593 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:46:33,604 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:46:33,604 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:46:33" (1/1) ... [2023-11-21 18:46:33,614 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:46:33,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:33,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 49 states and 54 transitions. [2023-11-21 18:46:33,677 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2023-11-21 18:46:33,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:46:33,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:33,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:33,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:33,823 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:46:33,829 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:34,057 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 18:46:34,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:34,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 51 states and 56 transitions. [2023-11-21 18:46:34,309 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 56 transitions. [2023-11-21 18:46:34,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:46:34,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:34,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:34,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:34,391 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-21 18:46:34,393 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:34,603 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 18:46:34,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:34,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 54 states and 61 transitions. [2023-11-21 18:46:34,999 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 61 transitions. [2023-11-21 18:46:34,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:46:35,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:35,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:35,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:35,039 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:46:35,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:35,131 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 18:46:35,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:35,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 58 states and 68 transitions. [2023-11-21 18:46:35,505 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 68 transitions. [2023-11-21 18:46:35,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:46:35,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:35,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:35,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:35,536 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:46:35,538 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:35,617 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 18:46:36,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:36,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 63 states and 77 transitions. [2023-11-21 18:46:36,231 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 77 transitions. [2023-11-21 18:46:36,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:46:36,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:36,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:36,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:36,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-21 18:46:36,265 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:36,381 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 18:46:37,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:37,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 69 states and 88 transitions. [2023-11-21 18:46:37,188 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 88 transitions. [2023-11-21 18:46:37,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:46:37,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:37,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:37,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:37,217 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:46:37,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:37,343 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 18:46:37,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:37,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 70 states and 90 transitions. [2023-11-21 18:46:37,451 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 90 transitions. [2023-11-21 18:46:37,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:46:37,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:37,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:37,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:37,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:46:37,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:37,559 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 18:46:37,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:37,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 73 states and 95 transitions. [2023-11-21 18:46:37,627 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 95 transitions. [2023-11-21 18:46:37,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:46:37,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:37,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:37,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:37,682 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:46:37,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:37,738 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 18:46:37,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:37,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 72 states and 94 transitions. [2023-11-21 18:46:37,885 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 94 transitions. [2023-11-21 18:46:37,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:46:37,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:37,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:37,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:37,928 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:46:37,929 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:38,061 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 18:46:40,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:40,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 81 states and 112 transitions. [2023-11-21 18:46:40,302 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 112 transitions. [2023-11-21 18:46:40,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:46:40,306 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:40,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:40,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:40,361 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:46:40,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:40,441 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 18:46:40,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:40,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 82 states and 115 transitions. [2023-11-21 18:46:40,520 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 115 transitions. [2023-11-21 18:46:40,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:46:40,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:40,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:40,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:40,565 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:46:40,566 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:40,747 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 18:46:43,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:43,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 91 states and 132 transitions. [2023-11-21 18:46:43,089 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 132 transitions. [2023-11-21 18:46:43,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:46:43,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:43,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:43,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:43,115 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:46:43,116 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:43,187 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 18:46:43,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:43,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 93 states and 137 transitions. [2023-11-21 18:46:43,414 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 137 transitions. [2023-11-21 18:46:43,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:46:43,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:43,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:43,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:43,439 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:46:43,440 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:43,501 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 18:46:44,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:44,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 95 states and 141 transitions. [2023-11-21 18:46:44,412 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 141 transitions. [2023-11-21 18:46:44,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:46:44,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:44,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:44,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:44,466 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:46:44,479 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:44,597 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 18:46:48,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:48,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 105 states and 161 transitions. [2023-11-21 18:46:48,482 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 161 transitions. [2023-11-21 18:46:48,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:46:48,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:48,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:48,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:48,508 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:46:48,510 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:48,640 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 18:46:52,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:52,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 116 states and 183 transitions. [2023-11-21 18:46:52,561 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 183 transitions. [2023-11-21 18:46:52,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:46:52,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:52,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:52,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:52,590 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:46:52,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:52,617 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 18:46:53,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:53,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 120 states and 193 transitions. [2023-11-21 18:46:53,225 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 193 transitions. [2023-11-21 18:46:53,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:46:53,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:53,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:53,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:53,255 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:46:53,256 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:53,313 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:46:54,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:54,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 123 states and 198 transitions. [2023-11-21 18:46:54,035 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 198 transitions. [2023-11-21 18:46:54,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:46:54,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:54,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:54,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:54,069 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:46:54,071 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:54,121 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 18:46:54,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:54,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 125 states and 201 transitions. [2023-11-21 18:46:54,586 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 201 transitions. [2023-11-21 18:46:54,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:46:54,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:54,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:54,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:54,615 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-21 18:46:54,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:55,110 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 18:46:58,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:58,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 137 states and 228 transitions. [2023-11-21 18:46:58,002 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 228 transitions. [2023-11-21 18:46:58,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:46:58,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:58,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:58,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:58,039 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:46:58,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:58,196 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 18:46:58,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:58,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 138 states and 229 transitions. [2023-11-21 18:46:58,561 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 229 transitions. [2023-11-21 18:46:58,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:46:58,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:58,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:58,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:58,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-21 18:46:58,612 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:59,337 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:47:02,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:02,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 149 states and 252 transitions. [2023-11-21 18:47:02,363 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 252 transitions. [2023-11-21 18:47:02,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:47:02,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:02,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:02,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:02,391 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:47:02,392 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:02,426 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 18:47:03,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:03,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 156 states and 260 transitions. [2023-11-21 18:47:03,734 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 260 transitions. [2023-11-21 18:47:03,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:47:03,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:03,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:03,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:03,765 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:47:03,766 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:03,800 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 18:47:05,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:05,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 163 states and 268 transitions. [2023-11-21 18:47:05,063 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 268 transitions. [2023-11-21 18:47:05,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:47:05,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:05,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:05,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:05,097 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-21 18:47:05,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:05,936 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 18:47:10,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:10,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 173 states and 291 transitions. [2023-11-21 18:47:10,270 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 291 transitions. [2023-11-21 18:47:10,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:47:10,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:10,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:10,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:10,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:47:10,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:10,356 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 18:47:16,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:16,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 184 states and 312 transitions. [2023-11-21 18:47:16,485 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 312 transitions. [2023-11-21 18:47:16,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:47:16,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:16,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:16,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:16,512 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:47:16,513 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:16,542 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 18:47:17,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:17,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 187 states and 315 transitions. [2023-11-21 18:47:17,117 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 315 transitions. [2023-11-21 18:47:17,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:47:17,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:17,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:17,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:17,171 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-21 18:47:17,173 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:18,336 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:47:22,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:22,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 198 states and 344 transitions. [2023-11-21 18:47:22,924 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 344 transitions. [2023-11-21 18:47:22,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:47:22,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:22,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:22,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:22,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:47:22,961 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:22,993 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.