./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/cartpole_40_safe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_be1acad2-7b7a-47ed-87e1-7d4f5d00025c/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1acad2-7b7a-47ed-87e1-7d4f5d00025c/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1acad2-7b7a-47ed-87e1-7d4f5d00025c/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1acad2-7b7a-47ed-87e1-7d4f5d00025c/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/cartpole_40_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1acad2-7b7a-47ed-87e1-7d4f5d00025c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1acad2-7b7a-47ed-87e1-7d4f5d00025c/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 47819124d5d4b875cd9608881c5332e67e0eabe89d8b9af60abd4e8138706114 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:06:07,698 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:06:07,829 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1acad2-7b7a-47ed-87e1-7d4f5d00025c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:06:07,843 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:06:07,844 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:06:07,884 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:06:07,886 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:06:07,887 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:06:07,888 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:06:07,893 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:06:07,895 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:06:07,896 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:06:07,896 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:06:07,898 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:06:07,899 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:06:07,899 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:06:07,900 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:06:07,900 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:06:07,901 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:06:07,901 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:06:07,901 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:06:07,902 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:06:07,903 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:06:07,903 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:06:07,904 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:06:07,905 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:06:07,905 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:06:07,906 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:06:07,906 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:06:07,907 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:06:07,908 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:06:07,909 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:06:07,910 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:06:07,910 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1acad2-7b7a-47ed-87e1-7d4f5d00025c/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1acad2-7b7a-47ed-87e1-7d4f5d00025c/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 47819124d5d4b875cd9608881c5332e67e0eabe89d8b9af60abd4e8138706114 [2023-11-19 04:06:08,195 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:06:08,230 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:06:08,232 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:06:08,234 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:06:08,235 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:06:08,236 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1acad2-7b7a-47ed-87e1-7d4f5d00025c/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/neural-networks/cartpole_40_safe.c-amalgamation.i [2023-11-19 04:06:11,468 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:06:11,937 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:06:11,938 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1acad2-7b7a-47ed-87e1-7d4f5d00025c/sv-benchmarks/c/neural-networks/cartpole_40_safe.c-amalgamation.i [2023-11-19 04:06:11,971 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1acad2-7b7a-47ed-87e1-7d4f5d00025c/bin/ukojak-verify-G8NBE6pJGL/data/e7dacf48d/16b7e158ccf943b891ea421260eb8250/FLAG085a94d28 [2023-11-19 04:06:11,988 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1acad2-7b7a-47ed-87e1-7d4f5d00025c/bin/ukojak-verify-G8NBE6pJGL/data/e7dacf48d/16b7e158ccf943b891ea421260eb8250 [2023-11-19 04:06:11,990 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:06:11,992 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:06:11,994 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:06:11,994 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:06:11,999 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:06:12,000 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:06:11" (1/1) ... [2023-11-19 04:06:12,002 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38fe8d88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:12, skipping insertion in model container [2023-11-19 04:06:12,002 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:06:11" (1/1) ... [2023-11-19 04:06:12,099 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:06:12,371 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:06:13,159 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1acad2-7b7a-47ed-87e1-7d4f5d00025c/sv-benchmarks/c/neural-networks/cartpole_40_safe.c-amalgamation.i[63700,63713] [2023-11-19 04:06:13,504 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:06:13,733 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:06:13,751 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:06:13,776 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1acad2-7b7a-47ed-87e1-7d4f5d00025c/sv-benchmarks/c/neural-networks/cartpole_40_safe.c-amalgamation.i[63700,63713] [2023-11-19 04:06:13,897 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:06:14,433 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:06:14,442 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:06:14,442 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:14 WrapperNode [2023-11-19 04:06:14,443 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:06:14,444 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:06:14,445 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:06:14,445 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:06:14,455 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:14" (1/1) ... [2023-11-19 04:06:14,585 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:14" (1/1) ... [2023-11-19 04:06:14,914 INFO L138 Inliner]: procedures = 621, calls = 4747, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 5015 [2023-11-19 04:06:14,914 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:06:14,915 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:06:14,915 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:06:14,916 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:06:14,926 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:14" (1/1) ... [2023-11-19 04:06:14,926 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:14" (1/1) ... [2023-11-19 04:06:15,009 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:14" (1/1) ... [2023-11-19 04:06:15,009 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:14" (1/1) ... [2023-11-19 04:06:15,175 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:14" (1/1) ... [2023-11-19 04:06:15,209 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:14" (1/1) ... [2023-11-19 04:06:15,239 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:14" (1/1) ... [2023-11-19 04:06:15,261 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:14" (1/1) ... [2023-11-19 04:06:15,310 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:06:15,311 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:06:15,311 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:06:15,311 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:06:15,312 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:06:14" (1/1) ... [2023-11-19 04:06:15,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:06:15,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1acad2-7b7a-47ed-87e1-7d4f5d00025c/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:06:15,345 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1acad2-7b7a-47ed-87e1-7d4f5d00025c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:06:15,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be1acad2-7b7a-47ed-87e1-7d4f5d00025c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:06:15,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-19 04:06:15,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:06:15,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-19 04:06:15,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-19 04:06:15,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:06:15,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:06:15,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:06:15,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:06:15,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:06:15,579 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:06:15,582 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:06:30,068 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:06:33,697 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:06:33,697 INFO L302 CfgBuilder]: Removed 12 assume(true) statements. [2023-11-19 04:06:33,702 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:06:33 BoogieIcfgContainer [2023-11-19 04:06:33,702 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:06:33,704 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:06:33,705 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:06:33,716 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:06:33,716 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:06:33" (1/1) ... [2023-11-19 04:06:33,727 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:06:33,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:33,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 18 states and 30 transitions. [2023-11-19 04:06:33,802 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 30 transitions. [2023-11-19 04:06:33,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 04:06:33,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:33,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:34,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:35,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:06:36,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:36,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2023-11-19 04:06:36,374 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2023-11-19 04:06:36,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 04:06:36,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:36,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:36,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:37,917 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:06:37,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:37,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 20 states and 31 transitions. [2023-11-19 04:06:37,985 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 31 transitions. [2023-11-19 04:06:37,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 04:06:37,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:37,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:38,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:39,584 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:06:39,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:39,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 21 states and 32 transitions. [2023-11-19 04:06:39,671 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 32 transitions. [2023-11-19 04:06:39,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 04:06:39,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:39,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:40,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:41,508 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:06:41,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:41,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 22 states and 33 transitions. [2023-11-19 04:06:41,613 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 33 transitions. [2023-11-19 04:06:41,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:06:41,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:41,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:42,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:43,068 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 04:06:43,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:43,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2023-11-19 04:06:43,108 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2023-11-19 04:06:43,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 04:06:43,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:43,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:43,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:44,364 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 04:06:44,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:44,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 35 transitions. [2023-11-19 04:06:44,465 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2023-11-19 04:06:44,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 04:06:44,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:44,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:44,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:45,865 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 04:06:45,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:45,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 25 states and 36 transitions. [2023-11-19 04:06:45,971 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2023-11-19 04:06:45,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 04:06:45,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:45,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:46,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:47,452 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 04:06:47,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:47,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2023-11-19 04:06:47,565 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2023-11-19 04:06:47,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 04:06:47,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:47,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:47,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:49,117 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 04:06:49,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:49,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 38 transitions. [2023-11-19 04:06:49,236 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2023-11-19 04:06:49,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 04:06:49,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:49,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:49,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:51,007 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 04:06:51,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:51,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 39 transitions. [2023-11-19 04:06:51,147 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 39 transitions. [2023-11-19 04:06:51,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 04:06:51,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:51,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:51,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:53,210 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 04:06:53,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:53,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 40 transitions. [2023-11-19 04:06:53,363 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2023-11-19 04:06:53,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 04:06:53,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:53,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:06:53,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:06:55,183 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 04:06:55,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:06:55,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 30 states and 41 transitions. [2023-11-19 04:06:55,338 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 41 transitions. [2023-11-19 04:06:55,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 04:06:55,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:06:55,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms