./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench/hard-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_6e8f8fd6-555f-4bc3-b9b1-6710fabba6e8/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8f8fd6-555f-4bc3-b9b1-6710fabba6e8/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8f8fd6-555f-4bc3-b9b1-6710fabba6e8/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8f8fd6-555f-4bc3-b9b1-6710fabba6e8/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/hard-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8f8fd6-555f-4bc3-b9b1-6710fabba6e8/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8f8fd6-555f-4bc3-b9b1-6710fabba6e8/bin/ukojak-verify-1t5iHCbJaC --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 8c31bebbbf1ab8c6e57b91fec88eba145fb9c1b52fce25f48cae26620a3d8ba6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:15:42,360 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:15:42,477 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8f8fd6-555f-4bc3-b9b1-6710fabba6e8/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:15:42,486 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:15:42,487 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:15:42,527 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:15:42,528 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:15:42,528 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:15:42,530 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:15:42,535 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:15:42,536 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:15:42,536 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:15:42,537 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:15:42,539 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:15:42,539 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:15:42,540 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:15:42,540 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:15:42,540 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:15:42,541 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:15:42,541 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:15:42,542 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:15:42,542 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:15:42,543 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:15:42,543 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:15:42,544 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:15:42,544 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:15:42,545 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:15:42,545 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:15:42,546 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:15:42,546 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:15:42,548 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:15:42,573 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:15:42,573 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:15:42,573 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:15:42,574 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:15:42,574 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_6e8f8fd6-555f-4bc3-b9b1-6710fabba6e8/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8f8fd6-555f-4bc3-b9b1-6710fabba6e8/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c31bebbbf1ab8c6e57b91fec88eba145fb9c1b52fce25f48cae26620a3d8ba6 [2023-11-23 20:15:42,879 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:15:42,912 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:15:42,914 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:15:42,916 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:15:42,916 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:15:42,918 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8f8fd6-555f-4bc3-b9b1-6710fabba6e8/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench/hard-ll.c [2023-11-23 20:15:46,184 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:15:46,371 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:15:46,372 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8f8fd6-555f-4bc3-b9b1-6710fabba6e8/sv-benchmarks/c/nla-digbench/hard-ll.c [2023-11-23 20:15:46,380 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8f8fd6-555f-4bc3-b9b1-6710fabba6e8/bin/ukojak-verify-1t5iHCbJaC/data/0f0227cde/ef941c04a450494f96f42f4f5bb6ebf9/FLAG7e6288e85 [2023-11-23 20:15:46,395 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8f8fd6-555f-4bc3-b9b1-6710fabba6e8/bin/ukojak-verify-1t5iHCbJaC/data/0f0227cde/ef941c04a450494f96f42f4f5bb6ebf9 [2023-11-23 20:15:46,398 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:15:46,399 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:15:46,401 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:15:46,401 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:15:46,407 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:15:46,408 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:15:46" (1/1) ... [2023-11-23 20:15:46,409 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15a0aa69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:46, skipping insertion in model container [2023-11-23 20:15:46,409 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:15:46" (1/1) ... [2023-11-23 20:15:46,432 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:15:46,670 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:15:46,683 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:15:46,705 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:15:46,720 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:15:46,721 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:46 WrapperNode [2023-11-23 20:15:46,721 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:15:46,723 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:15:46,723 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:15:46,724 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:15:46,732 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:46" (1/1) ... [2023-11-23 20:15:46,753 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:46" (1/1) ... [2023-11-23 20:15:46,780 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 87 [2023-11-23 20:15:46,781 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:15:46,782 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:15:46,782 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:15:46,782 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:15:46,792 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:46" (1/1) ... [2023-11-23 20:15:46,793 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:46" (1/1) ... [2023-11-23 20:15:46,795 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:46" (1/1) ... [2023-11-23 20:15:46,795 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:46" (1/1) ... [2023-11-23 20:15:46,800 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:46" (1/1) ... [2023-11-23 20:15:46,804 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:46" (1/1) ... [2023-11-23 20:15:46,806 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:46" (1/1) ... [2023-11-23 20:15:46,807 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:46" (1/1) ... [2023-11-23 20:15:46,810 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:15:46,811 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:15:46,811 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:15:46,811 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:15:46,812 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:46" (1/1) ... [2023-11-23 20:15:46,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:15:46,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8f8fd6-555f-4bc3-b9b1-6710fabba6e8/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:15:46,859 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8f8fd6-555f-4bc3-b9b1-6710fabba6e8/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:15:46,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:15:46,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:15:46,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:15:46,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:15:46,912 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:15:46,913 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:15:46,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e8f8fd6-555f-4bc3-b9b1-6710fabba6e8/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:15:47,005 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:15:47,008 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:15:47,500 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:15:47,547 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:15:47,547 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:15:47,549 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:15:47 BoogieIcfgContainer [2023-11-23 20:15:47,549 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:15:47,550 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:15:47,551 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:15:47,562 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:15:47,563 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:15:47" (1/1) ... [2023-11-23 20:15:47,572 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:15:47,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:47,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 65 states and 75 transitions. [2023-11-23 20:15:47,634 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 75 transitions. [2023-11-23 20:15:47,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:15:47,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:47,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:47,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:47,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:47,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:15:47,793 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:47,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:15:47,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:47,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 65 states and 73 transitions. [2023-11-23 20:15:47,840 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 73 transitions. [2023-11-23 20:15:47,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:15:47,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:47,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:47,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:47,905 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:15:47,907 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:48,000 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:15:48,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:48,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 69 states and 79 transitions. [2023-11-23 20:15:48,074 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 79 transitions. [2023-11-23 20:15:48,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:15:48,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:48,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:48,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:48,122 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:15:48,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:48,151 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:15:48,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:48,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 70 states and 81 transitions. [2023-11-23 20:15:48,206 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 81 transitions. [2023-11-23 20:15:48,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:15:48,207 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:48,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:48,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:48,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:15:48,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:48,339 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:15:48,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:48,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 74 states and 89 transitions. [2023-11-23 20:15:48,549 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 89 transitions. [2023-11-23 20:15:48,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:15:48,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:48,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:48,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:48,616 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:15:48,618 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:48,656 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:15:48,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:48,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 79 states and 101 transitions. [2023-11-23 20:15:48,968 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 101 transitions. [2023-11-23 20:15:48,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:15:48,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:48,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:48,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:49,000 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:15:49,001 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:49,040 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:15:49,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:49,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 84 states and 111 transitions. [2023-11-23 20:15:49,479 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 111 transitions. [2023-11-23 20:15:49,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:15:49,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:49,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:49,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:49,518 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:15:49,520 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:49,553 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:15:49,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:49,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 85 states and 112 transitions. [2023-11-23 20:15:49,577 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 112 transitions. [2023-11-23 20:15:49,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:15:49,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:49,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:49,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:49,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:15:49,628 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:49,678 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:15:50,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:50,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 90 states and 123 transitions. [2023-11-23 20:15:50,018 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 123 transitions. [2023-11-23 20:15:50,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:15:50,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:50,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:50,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:50,059 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:15:50,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:50,165 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:15:50,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:50,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 97 states and 138 transitions. [2023-11-23 20:15:50,802 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 138 transitions. [2023-11-23 20:15:50,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:15:50,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:50,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:50,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:50,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:15:50,828 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:50,880 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:15:51,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:51,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 103 states and 149 transitions. [2023-11-23 20:15:51,315 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 149 transitions. [2023-11-23 20:15:51,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:15:51,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:51,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:51,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:51,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:15:51,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:51,466 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:15:52,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:52,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 111 states and 163 transitions. [2023-11-23 20:15:52,324 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 163 transitions. [2023-11-23 20:15:52,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:15:52,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:52,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:52,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:52,368 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:15:52,370 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:52,493 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:15:53,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:53,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 118 states and 176 transitions. [2023-11-23 20:15:53,035 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 176 transitions. [2023-11-23 20:15:53,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:15:53,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:53,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:53,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:53,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:15:53,084 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:53,185 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:15:53,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:53,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 126 states and 190 transitions. [2023-11-23 20:15:53,949 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 190 transitions. [2023-11-23 20:15:53,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:15:53,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:53,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:53,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:53,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:15:53,980 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:54,183 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:15:55,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:55,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 137 states and 210 transitions. [2023-11-23 20:15:55,193 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 210 transitions. [2023-11-23 20:15:55,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:15:55,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:55,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:55,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:55,229 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:15:55,235 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:55,443 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:15:55,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:55,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 142 states and 223 transitions. [2023-11-23 20:15:55,988 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 223 transitions. [2023-11-23 20:15:55,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:15:55,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:55,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:56,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:56,025 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:15:56,029 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:56,064 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:15:56,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:56,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 148 states and 233 transitions. [2023-11-23 20:15:56,544 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 233 transitions. [2023-11-23 20:15:56,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:15:56,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:56,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:56,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:56,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:15:56,585 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:56,614 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:15:57,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:57,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 158 states and 249 transitions. [2023-11-23 20:15:57,540 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 249 transitions. [2023-11-23 20:15:57,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:15:57,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:57,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:57,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:57,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:15:57,571 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:57,614 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:15:57,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:57,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 159 states and 250 transitions. [2023-11-23 20:15:57,646 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 250 transitions. [2023-11-23 20:15:57,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:15:57,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:57,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:57,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:57,689 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:15:57,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:57,786 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:15:58,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:58,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 168 states and 262 transitions. [2023-11-23 20:15:58,098 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 262 transitions. [2023-11-23 20:15:58,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:15:58,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:58,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:58,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:58,128 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:15:58,129 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:58,214 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 20:15:58,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:58,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 176 states and 276 transitions. [2023-11-23 20:15:58,876 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 276 transitions. [2023-11-23 20:15:58,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:15:58,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:58,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:58,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:58,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:15:58,912 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:59,002 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:15:59,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:59,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 185 states and 288 transitions. [2023-11-23 20:15:59,308 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 288 transitions. [2023-11-23 20:15:59,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:15:59,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:59,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:59,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:59,342 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:15:59,346 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:59,382 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-11-23 20:16:00,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:00,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 194 states and 300 transitions. [2023-11-23 20:16:00,170 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 300 transitions. [2023-11-23 20:16:00,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:16:00,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:00,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:00,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:00,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:16:00,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:00,348 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 20:16:01,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:01,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 205 states and 328 transitions. [2023-11-23 20:16:01,553 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 328 transitions. [2023-11-23 20:16:01,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:16:01,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:01,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:01,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:01,581 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:16:01,582 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:01,713 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 20:16:02,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:02,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 210 states and 338 transitions. [2023-11-23 20:16:02,372 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 338 transitions. [2023-11-23 20:16:02,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:16:02,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:02,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:02,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:02,423 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:16:02,424 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:02,864 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 20:16:04,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:04,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 210 states and 337 transitions. [2023-11-23 20:16:04,513 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 337 transitions. [2023-11-23 20:16:04,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:16:04,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:04,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:04,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:04,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:16:04,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:04,652 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 20:16:05,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:05,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 216 states and 351 transitions. [2023-11-23 20:16:05,590 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 351 transitions. [2023-11-23 20:16:05,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:16:05,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:05,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:05,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:05,624 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:16:05,626 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:05,788 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 20:16:06,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:06,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 218 states and 358 transitions. [2023-11-23 20:16:06,281 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 358 transitions. [2023-11-23 20:16:06,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:16:06,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:06,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:06,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:06,317 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:16:06,318 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:06,357 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 20:16:07,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:07,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 222 states and 366 transitions. [2023-11-23 20:16:07,021 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 366 transitions. [2023-11-23 20:16:07,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:16:07,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:07,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:07,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:07,048 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:16:07,049 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:07,147 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-11-23 20:16:08,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:08,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 233 states and 380 transitions. [2023-11-23 20:16:08,463 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 380 transitions. [2023-11-23 20:16:08,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:16:08,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:08,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:08,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:08,498 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:16:08,500 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:08,797 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-23 20:16:10,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:10,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 239 states and 391 transitions. [2023-11-23 20:16:10,246 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 391 transitions. [2023-11-23 20:16:10,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-23 20:16:10,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:10,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:10,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:10,278 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:16:10,280 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:10,582 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-23 20:16:11,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:11,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 244 states and 404 transitions. [2023-11-23 20:16:11,237 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 404 transitions. [2023-11-23 20:16:11,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-23 20:16:11,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:11,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:11,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:11,271 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:16:11,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:11,322 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-23 20:16:13,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:13,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 255 states and 426 transitions. [2023-11-23 20:16:13,126 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 426 transitions. [2023-11-23 20:16:13,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-23 20:16:13,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:13,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:13,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:13,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:16:13,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:13,248 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-23 20:16:13,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:13,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 257 states and 429 transitions. [2023-11-23 20:16:13,665 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 429 transitions. [2023-11-23 20:16:13,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-23 20:16:13,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:13,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:13,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:13,696 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:16:13,698 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:14,145 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-23 20:16:18,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:18,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 269 states and 455 transitions. [2023-11-23 20:16:18,791 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 455 transitions. [2023-11-23 20:16:18,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-23 20:16:18,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:18,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:18,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:18,829 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:16:18,832 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:19,233 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-23 20:16:19,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:19,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 271 states and 459 transitions. [2023-11-23 20:16:19,803 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 459 transitions. [2023-11-23 20:16:19,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 20:16:19,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:19,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:19,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:19,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:16:19,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:19,905 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-23 20:16:22,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:22,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 284 states and 480 transitions. [2023-11-23 20:16:22,428 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 480 transitions. [2023-11-23 20:16:22,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 20:16:22,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:22,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:22,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:22,461 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:16:22,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:22,617 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-23 20:16:23,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:23,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 293 states and 494 transitions. [2023-11-23 20:16:23,834 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 494 transitions. [2023-11-23 20:16:23,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 20:16:23,835 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:23,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:23,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:23,867 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:16:23,868 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:25,272 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-23 20:16:27,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:27,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 307 states and 517 transitions. [2023-11-23 20:16:27,406 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 517 transitions. [2023-11-23 20:16:27,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-23 20:16:27,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:27,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:27,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:27,439 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:16:27,440 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:27,491 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2023-11-23 20:16:28,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:28,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 316 states and 529 transitions. [2023-11-23 20:16:28,776 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 529 transitions. [2023-11-23 20:16:28,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-23 20:16:28,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:28,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:28,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:28,811 INFO L262 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:16:28,813 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:28,870 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-11-23 20:16:30,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:30,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 325 states and 540 transitions. [2023-11-23 20:16:30,157 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 540 transitions. [2023-11-23 20:16:30,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-23 20:16:30,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:30,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:30,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:30,188 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:16:30,189 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:30,344 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-11-23 20:16:30,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:30,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 324 states and 539 transitions. [2023-11-23 20:16:30,527 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 539 transitions. [2023-11-23 20:16:30,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 20:16:30,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:30,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:30,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:30,565 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:16:30,567 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:30,737 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-23 20:16:32,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:32,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 330 states and 555 transitions. [2023-11-23 20:16:32,208 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 555 transitions. [2023-11-23 20:16:32,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 20:16:32,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:32,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:32,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:32,240 INFO L262 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:16:32,242 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:32,935 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 7 proven. 18 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-23 20:16:37,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:37,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 339 states and 569 transitions. [2023-11-23 20:16:37,570 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 569 transitions. [2023-11-23 20:16:37,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 20:16:37,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:37,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:37,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:37,607 INFO L262 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:16:37,608 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:37,658 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked.