./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73cc0af-64e2-4065-96cf-5e83ba209663/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73cc0af-64e2-4065-96cf-5e83ba209663/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73cc0af-64e2-4065-96cf-5e83ba209663/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73cc0af-64e2-4065-96cf-5e83ba209663/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73cc0af-64e2-4065-96cf-5e83ba209663/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73cc0af-64e2-4065-96cf-5e83ba209663/bin/ukojak-verify-afCqCEvfdi --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 5f094e7ea34d2025ab25ab51a4a0b06d8f845826c76dbd06e91f3d4a761fa19b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:08:38,661 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:08:38,802 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73cc0af-64e2-4065-96cf-5e83ba209663/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 23:08:38,815 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:08:38,819 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:08:38,853 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:08:38,854 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:08:38,855 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:08:38,856 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:08:38,862 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:08:38,863 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:08:38,864 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:08:38,864 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:08:38,866 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:08:38,867 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:08:38,867 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:08:38,868 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:08:38,868 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:08:38,869 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:08:38,869 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:08:38,869 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:08:38,870 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:08:38,870 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:08:38,871 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:08:38,872 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:08:38,872 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:08:38,873 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:08:38,873 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:08:38,874 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:08:38,874 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:08:38,876 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:08:38,876 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:08:38,876 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:08:38,876 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:08:38,877 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:08:38,877 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_d73cc0af-64e2-4065-96cf-5e83ba209663/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73cc0af-64e2-4065-96cf-5e83ba209663/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5f094e7ea34d2025ab25ab51a4a0b06d8f845826c76dbd06e91f3d4a761fa19b [2023-11-24 23:08:39,240 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:08:39,279 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:08:39,282 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:08:39,284 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:08:39,285 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:08:39,287 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73cc0af-64e2-4065-96cf-5e83ba209663/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound5.c [2023-11-24 23:08:42,535 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:08:42,796 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:08:42,797 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73cc0af-64e2-4065-96cf-5e83ba209663/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound5.c [2023-11-24 23:08:42,808 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73cc0af-64e2-4065-96cf-5e83ba209663/bin/ukojak-verify-afCqCEvfdi/data/db2ad2922/400bde63581243a2894c834d72a15434/FLAGcb839f4cc [2023-11-24 23:08:42,827 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73cc0af-64e2-4065-96cf-5e83ba209663/bin/ukojak-verify-afCqCEvfdi/data/db2ad2922/400bde63581243a2894c834d72a15434 [2023-11-24 23:08:42,830 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:08:42,832 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:08:42,834 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:08:42,835 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:08:42,841 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:08:42,842 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:08:42" (1/1) ... [2023-11-24 23:08:42,844 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77b1fa36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:42, skipping insertion in model container [2023-11-24 23:08:42,844 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:08:42" (1/1) ... [2023-11-24 23:08:42,878 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:08:43,132 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:08:43,149 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:08:43,179 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:08:43,195 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:08:43,196 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:43 WrapperNode [2023-11-24 23:08:43,196 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:08:43,198 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:08:43,198 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:08:43,199 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:08:43,209 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:43" (1/1) ... [2023-11-24 23:08:43,218 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:43" (1/1) ... [2023-11-24 23:08:43,250 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 103 [2023-11-24 23:08:43,250 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:08:43,251 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:08:43,252 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:08:43,252 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:08:43,264 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:43" (1/1) ... [2023-11-24 23:08:43,264 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:43" (1/1) ... [2023-11-24 23:08:43,267 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:43" (1/1) ... [2023-11-24 23:08:43,267 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:43" (1/1) ... [2023-11-24 23:08:43,273 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:43" (1/1) ... [2023-11-24 23:08:43,277 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:43" (1/1) ... [2023-11-24 23:08:43,279 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:43" (1/1) ... [2023-11-24 23:08:43,280 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:43" (1/1) ... [2023-11-24 23:08:43,283 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:08:43,284 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:08:43,284 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:08:43,289 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:08:43,291 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:43" (1/1) ... [2023-11-24 23:08:43,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:08:43,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73cc0af-64e2-4065-96cf-5e83ba209663/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:08:43,356 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73cc0af-64e2-4065-96cf-5e83ba209663/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:08:43,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73cc0af-64e2-4065-96cf-5e83ba209663/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:08:43,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:08:43,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:08:43,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:08:43,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:08:43,410 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:08:43,411 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:08:43,515 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:08:43,518 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:08:43,987 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:08:44,039 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:08:44,039 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 23:08:44,041 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:08:44 BoogieIcfgContainer [2023-11-24 23:08:44,041 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:08:44,042 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:08:44,043 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:08:44,055 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:08:44,056 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:08:44" (1/1) ... [2023-11-24 23:08:44,067 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:08:44,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:44,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 75 states and 87 transitions. [2023-11-24 23:08:44,142 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2023-11-24 23:08:44,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:08:44,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:44,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:44,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:44,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:08:44,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:44,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 77 states and 89 transitions. [2023-11-24 23:08:44,527 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 89 transitions. [2023-11-24 23:08:44,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:08:44,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:44,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:44,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:44,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:08:44,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:44,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 78 states and 90 transitions. [2023-11-24 23:08:44,616 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 90 transitions. [2023-11-24 23:08:44,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:08:44,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:44,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:44,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:44,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:08:44,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:44,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 79 states and 90 transitions. [2023-11-24 23:08:44,715 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions. [2023-11-24 23:08:44,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:08:44,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:44,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:44,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:44,800 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:08:44,805 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:08:44,945 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:08:45,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:45,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 86 states and 100 transitions. [2023-11-24 23:08:45,189 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 100 transitions. [2023-11-24 23:08:45,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:08:45,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:45,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:45,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:45,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:08:45,249 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:08:45,328 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:08:45,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:45,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 90 states and 108 transitions. [2023-11-24 23:08:45,822 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 108 transitions. [2023-11-24 23:08:45,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:08:45,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:45,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:45,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:45,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:08:45,889 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:08:45,955 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:08:46,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:46,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 97 states and 122 transitions. [2023-11-24 23:08:46,525 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 122 transitions. [2023-11-24 23:08:46,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:08:46,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:46,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:46,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:46,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:08:46,560 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:08:46,707 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:08:47,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:47,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 107 states and 164 transitions. [2023-11-24 23:08:47,512 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 164 transitions. [2023-11-24 23:08:47,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:08:47,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:47,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:47,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:47,544 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:08:47,545 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:08:47,620 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:08:48,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:48,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 115 states and 180 transitions. [2023-11-24 23:08:48,842 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 180 transitions. [2023-11-24 23:08:48,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:08:48,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:48,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:48,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:48,889 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:08:48,891 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:08:49,049 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:08:50,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:50,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 126 states and 230 transitions. [2023-11-24 23:08:50,331 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 230 transitions. [2023-11-24 23:08:50,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:08:50,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:50,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:50,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:50,359 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:08:50,360 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:08:50,429 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:08:51,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:51,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 131 states and 242 transitions. [2023-11-24 23:08:51,078 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 242 transitions. [2023-11-24 23:08:51,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 23:08:51,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:51,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:51,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:51,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:08:51,120 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:08:51,186 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:08:51,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:51,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 137 states and 256 transitions. [2023-11-24 23:08:51,974 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 256 transitions. [2023-11-24 23:08:51,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:08:51,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:51,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:52,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:52,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:08:52,004 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:08:52,246 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:08:53,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:53,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 149 states and 313 transitions. [2023-11-24 23:08:53,776 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 313 transitions. [2023-11-24 23:08:53,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:08:53,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:53,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:53,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:53,812 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:08:53,814 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:08:53,955 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:08:56,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:56,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 160 states and 338 transitions. [2023-11-24 23:08:56,459 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 338 transitions. [2023-11-24 23:08:56,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:08:56,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:56,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:56,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:56,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:08:56,513 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:08:56,673 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:08:59,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:59,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 172 states and 365 transitions. [2023-11-24 23:08:59,026 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 365 transitions. [2023-11-24 23:08:59,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:08:59,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:59,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:59,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:59,060 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:08:59,062 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:08:59,327 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:09:01,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:01,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 186 states and 433 transitions. [2023-11-24 23:09:01,630 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 433 transitions. [2023-11-24 23:09:01,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:09:01,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:01,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:01,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:01,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:09:01,658 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:01,862 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:09:05,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:05,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 199 states and 461 transitions. [2023-11-24 23:09:05,085 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 461 transitions. [2023-11-24 23:09:05,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:09:05,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:05,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:05,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:05,130 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:09:05,131 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:05,263 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:09:06,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:06,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 206 states and 472 transitions. [2023-11-24 23:09:06,750 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 472 transitions. [2023-11-24 23:09:06,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 23:09:06,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:06,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:06,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:06,776 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:09:06,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:07,195 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:09:09,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:09,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 214 states and 488 transitions. [2023-11-24 23:09:09,446 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 488 transitions. [2023-11-24 23:09:09,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 23:09:09,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:09,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:09,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:09,514 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:09:09,515 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:09,557 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:09:09,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:09,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 215 states and 500 transitions. [2023-11-24 23:09:09,666 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 500 transitions. [2023-11-24 23:09:09,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 23:09:09,676 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:09,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:09,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:09,715 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:09:09,721 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:09,907 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:09:12,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:12,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 225 states and 529 transitions. [2023-11-24 23:09:12,588 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 529 transitions. [2023-11-24 23:09:12,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 23:09:12,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:12,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:12,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:12,621 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:09:12,623 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:12,772 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:09:16,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:16,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 236 states and 559 transitions. [2023-11-24 23:09:16,220 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 559 transitions. [2023-11-24 23:09:16,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 23:09:16,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:16,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:16,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:16,253 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:09:16,255 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:16,562 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 23:09:19,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:19,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 247 states and 595 transitions. [2023-11-24 23:09:19,659 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 595 transitions. [2023-11-24 23:09:19,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 23:09:19,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:19,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:19,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:19,693 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 23:09:19,694 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:20,161 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 23:09:23,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:23,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 259 states and 637 transitions. [2023-11-24 23:09:23,512 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 637 transitions. [2023-11-24 23:09:23,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 23:09:23,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:23,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:23,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:23,550 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:09:23,551 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:23,719 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 23:09:25,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:25,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 266 states and 665 transitions. [2023-11-24 23:09:25,419 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 665 transitions. [2023-11-24 23:09:25,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 23:09:25,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:25,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:25,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:25,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:09:25,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:26,399 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 23:09:31,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:31,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 279 states and 704 transitions. [2023-11-24 23:09:31,247 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 704 transitions. [2023-11-24 23:09:31,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 23:09:31,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:31,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:31,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:31,278 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:09:31,280 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:31,319 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 23:09:31,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:31,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 280 states and 705 transitions. [2023-11-24 23:09:31,360 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 705 transitions. [2023-11-24 23:09:31,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 23:09:31,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:31,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:31,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:31,397 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:09:31,399 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:32,710 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.