./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound5.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_38df0c8b-85ba-4fcb-8e12-5ee84bd95b5d/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df0c8b-85ba-4fcb-8e12-5ee84bd95b5d/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_38df0c8b-85ba-4fcb-8e12-5ee84bd95b5d/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df0c8b-85ba-4fcb-8e12-5ee84bd95b5d/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df0c8b-85ba-4fcb-8e12-5ee84bd95b5d/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_38df0c8b-85ba-4fcb-8e12-5ee84bd95b5d/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 1eba5bc7e50ef659abfe155713ae512eb1ae4032ecb78db63a02f9acbcdf9dbe --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:08:23,270 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:08:23,404 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df0c8b-85ba-4fcb-8e12-5ee84bd95b5d/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:08:23,413 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:08:23,414 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:08:23,450 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:08:23,451 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:08:23,451 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:08:23,453 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:08:23,458 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:08:23,459 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:08:23,460 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:08:23,461 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:08:23,462 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:08:23,463 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:08:23,463 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:08:23,464 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:08:23,464 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:08:23,465 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:08:23,466 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:08:23,466 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:08:23,467 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:08:23,467 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:08:23,469 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:08:23,470 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:08:23,471 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:08:23,471 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:08:23,472 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:08:23,472 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:08:23,473 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:08:23,474 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:08:23,475 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:08:23,475 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:08:23,475 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:08:23,504 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:08:23,504 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_38df0c8b-85ba-4fcb-8e12-5ee84bd95b5d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df0c8b-85ba-4fcb-8e12-5ee84bd95b5d/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1eba5bc7e50ef659abfe155713ae512eb1ae4032ecb78db63a02f9acbcdf9dbe [2023-11-23 20:08:23,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:08:23,842 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:08:23,845 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:08:23,846 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:08:23,847 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:08:23,849 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df0c8b-85ba-4fcb-8e12-5ee84bd95b5d/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound5.c [2023-11-23 20:08:26,930 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:08:27,157 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:08:27,158 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df0c8b-85ba-4fcb-8e12-5ee84bd95b5d/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound5.c [2023-11-23 20:08:27,168 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df0c8b-85ba-4fcb-8e12-5ee84bd95b5d/bin/ukojak-verify-1t5iHCbJaC/data/b10553910/eff3c566763d4ccc98d883788eea640a/FLAG773a5278b [2023-11-23 20:08:27,184 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df0c8b-85ba-4fcb-8e12-5ee84bd95b5d/bin/ukojak-verify-1t5iHCbJaC/data/b10553910/eff3c566763d4ccc98d883788eea640a [2023-11-23 20:08:27,186 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:08:27,188 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:08:27,189 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:08:27,190 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:08:27,194 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:08:27,194 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:08:27" (1/1) ... [2023-11-23 20:08:27,195 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f822f46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:27, skipping insertion in model container [2023-11-23 20:08:27,195 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:08:27" (1/1) ... [2023-11-23 20:08:27,219 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:08:27,470 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:08:27,481 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:08:27,504 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:08:27,518 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:08:27,518 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:27 WrapperNode [2023-11-23 20:08:27,519 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:08:27,520 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:08:27,520 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:08:27,520 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:08:27,528 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:27" (1/1) ... [2023-11-23 20:08:27,536 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:27" (1/1) ... [2023-11-23 20:08:27,565 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 100 [2023-11-23 20:08:27,565 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:08:27,566 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:08:27,566 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:08:27,566 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:08:27,576 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:27" (1/1) ... [2023-11-23 20:08:27,577 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:27" (1/1) ... [2023-11-23 20:08:27,579 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:27" (1/1) ... [2023-11-23 20:08:27,579 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:27" (1/1) ... [2023-11-23 20:08:27,585 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:27" (1/1) ... [2023-11-23 20:08:27,588 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:27" (1/1) ... [2023-11-23 20:08:27,590 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:27" (1/1) ... [2023-11-23 20:08:27,592 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:27" (1/1) ... [2023-11-23 20:08:27,594 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:08:27,595 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:08:27,596 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:08:27,596 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:08:27,597 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:27" (1/1) ... [2023-11-23 20:08:27,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:08:27,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df0c8b-85ba-4fcb-8e12-5ee84bd95b5d/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:08:27,634 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df0c8b-85ba-4fcb-8e12-5ee84bd95b5d/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:08:27,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38df0c8b-85ba-4fcb-8e12-5ee84bd95b5d/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:08:27,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:08:27,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:08:27,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:08:27,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:08:27,677 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:08:27,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:08:27,754 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:08:27,759 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:08:28,120 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:08:28,189 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:08:28,189 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:08:28,190 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:08:28 BoogieIcfgContainer [2023-11-23 20:08:28,191 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:08:28,192 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:08:28,192 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:08:28,201 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:08:28,201 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:08:28" (1/1) ... [2023-11-23 20:08:28,209 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:08:28,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:28,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 75 states and 87 transitions. [2023-11-23 20:08:28,265 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2023-11-23 20:08:28,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:08:28,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:28,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:28,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:28,520 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 20:08:28,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:28,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 77 states and 89 transitions. [2023-11-23 20:08:28,598 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 89 transitions. [2023-11-23 20:08:28,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:08:28,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:28,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:28,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:28,684 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 20:08:28,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:28,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 78 states and 90 transitions. [2023-11-23 20:08:28,704 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 90 transitions. [2023-11-23 20:08:28,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:08:28,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:28,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:28,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:28,770 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 20:08:28,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:28,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 79 states and 90 transitions. [2023-11-23 20:08:28,787 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions. [2023-11-23 20:08:28,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:08:28,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:28,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:28,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:28,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:08:28,861 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:08:29,005 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 20:08:29,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:29,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 86 states and 100 transitions. [2023-11-23 20:08:29,286 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 100 transitions. [2023-11-23 20:08:29,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:08:29,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:29,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:29,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:29,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:08:29,361 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:08:29,411 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 20:08:29,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:29,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 87 states and 102 transitions. [2023-11-23 20:08:29,459 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 102 transitions. [2023-11-23 20:08:29,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:08:29,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:29,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:29,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:29,505 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:08:29,507 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:08:29,639 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 20:08:30,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:30,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 94 states and 116 transitions. [2023-11-23 20:08:30,210 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 116 transitions. [2023-11-23 20:08:30,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:08:30,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:30,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:30,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:30,255 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:08:30,257 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:08:30,390 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 20:08:31,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:31,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 104 states and 154 transitions. [2023-11-23 20:08:31,203 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 154 transitions. [2023-11-23 20:08:31,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:08:31,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:31,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:31,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:31,259 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:08:31,261 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:08:31,338 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 20:08:32,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:32,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 112 states and 170 transitions. [2023-11-23 20:08:32,562 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 170 transitions. [2023-11-23 20:08:32,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:08:32,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:32,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:32,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:32,593 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:08:32,595 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:08:32,768 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 20:08:34,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:34,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 123 states and 216 transitions. [2023-11-23 20:08:34,179 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 216 transitions. [2023-11-23 20:08:34,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:08:34,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:34,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:34,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:34,242 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:08:34,245 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:08:34,315 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 20:08:35,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:35,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 128 states and 228 transitions. [2023-11-23 20:08:35,093 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 228 transitions. [2023-11-23 20:08:35,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:08:35,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:35,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:35,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:35,123 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:08:35,125 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:08:35,208 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 20:08:35,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:35,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 134 states and 241 transitions. [2023-11-23 20:08:35,975 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 241 transitions. [2023-11-23 20:08:35,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:08:35,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:35,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:36,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:36,006 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:08:36,008 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:08:36,313 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:08:37,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:37,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 146 states and 293 transitions. [2023-11-23 20:08:37,737 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 293 transitions. [2023-11-23 20:08:37,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:08:37,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:37,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:37,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:37,765 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:08:37,766 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:08:37,851 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 20:08:40,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:40,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 157 states and 319 transitions. [2023-11-23 20:08:40,088 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 319 transitions. [2023-11-23 20:08:40,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:08:40,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:40,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:40,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:40,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:08:40,131 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:08:40,175 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 20:08:40,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:40,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 158 states and 320 transitions. [2023-11-23 20:08:40,218 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 320 transitions. [2023-11-23 20:08:40,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:08:40,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:40,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:40,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:40,273 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:08:40,277 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:08:40,394 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:08:41,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:41,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 164 states and 330 transitions. [2023-11-23 20:08:41,536 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 330 transitions. [2023-11-23 20:08:41,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:08:41,537 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:41,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:41,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:41,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:08:41,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:08:41,806 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 20:08:45,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:45,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 177 states and 357 transitions. [2023-11-23 20:08:45,010 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 357 transitions. [2023-11-23 20:08:45,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:08:45,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:45,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:45,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:45,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:08:45,039 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:08:45,164 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:08:46,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:46,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 184 states and 368 transitions. [2023-11-23 20:08:46,533 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 368 transitions. [2023-11-23 20:08:46,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:08:46,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:46,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:46,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:46,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:08:46,560 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:08:46,777 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:08:50,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:50,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 198 states and 394 transitions. [2023-11-23 20:08:50,708 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 394 transitions. [2023-11-23 20:08:50,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:08:50,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:50,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:50,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:50,741 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:08:50,743 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:08:50,889 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:08:52,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:52,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 206 states and 415 transitions. [2023-11-23 20:08:52,744 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 415 transitions. [2023-11-23 20:08:52,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:08:52,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:52,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:52,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:52,786 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:08:52,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:08:53,054 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 20:08:55,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:55,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 216 states and 440 transitions. [2023-11-23 20:08:55,628 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 440 transitions. [2023-11-23 20:08:55,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:08:55,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:55,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:55,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:55,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:08:55,660 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:08:55,862 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 20:08:59,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:59,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 227 states and 466 transitions. [2023-11-23 20:08:59,342 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 466 transitions. [2023-11-23 20:08:59,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:08:59,344 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:59,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:59,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:59,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:08:59,380 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:08:59,828 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:09:03,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:03,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 241 states and 504 transitions. [2023-11-23 20:09:03,115 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 504 transitions. [2023-11-23 20:09:03,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:09:03,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:03,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:03,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:03,189 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:09:03,193 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:09:03,308 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:09:04,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:04,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 245 states and 509 transitions. [2023-11-23 20:09:04,612 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 509 transitions. [2023-11-23 20:09:04,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:09:04,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:04,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:04,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:04,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:09:04,641 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:09:05,005 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:09:06,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:06,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 253 states and 539 transitions. [2023-11-23 20:09:06,971 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 539 transitions. [2023-11-23 20:09:06,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:09:06,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:06,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:07,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:07,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:09:07,009 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:09:07,141 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:09:08,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:08,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 257 states and 543 transitions. [2023-11-23 20:09:08,584 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 543 transitions. [2023-11-23 20:09:08,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:09:08,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:08,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:08,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:08,611 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:09:08,612 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:09:08,641 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 20:09:09,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:09,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 263 states and 566 transitions. [2023-11-23 20:09:09,713 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 566 transitions. [2023-11-23 20:09:09,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:09:09,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:09,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:09,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:09,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:09:09,748 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:09:09,783 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 20:09:13,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:13,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 276 states and 600 transitions. [2023-11-23 20:09:13,545 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 600 transitions. [2023-11-23 20:09:13,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:09:13,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:13,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:13,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:13,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:09:13,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:09:13,619 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 20:09:13,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:13,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 277 states and 601 transitions. [2023-11-23 20:09:13,659 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 601 transitions. [2023-11-23 20:09:13,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 20:09:13,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:13,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:13,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:13,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:09:13,689 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:09:13,943 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 20:09:14,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:14,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 286 states and 626 transitions. [2023-11-23 20:09:14,816 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 626 transitions. [2023-11-23 20:09:14,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 20:09:14,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:14,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:14,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:14,846 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:09:14,848 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:09:15,025 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked.