./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench/geo1-ll.c --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_25df0ab3-274e-407b-9082-59d373b026a9/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25df0ab3-274e-407b-9082-59d373b026a9/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_25df0ab3-274e-407b-9082-59d373b026a9/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25df0ab3-274e-407b-9082-59d373b026a9/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/geo1-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25df0ab3-274e-407b-9082-59d373b026a9/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_25df0ab3-274e-407b-9082-59d373b026a9/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 f88e56db5d4a069a75f7d157c02a6d71e69f72bef3f2984433669539d06b3f44 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:01:11,747 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:01:11,896 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25df0ab3-274e-407b-9082-59d373b026a9/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:01:11,904 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:01:11,905 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:01:11,953 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:01:11,954 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:01:11,955 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:01:11,956 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:01:11,962 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:01:11,964 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:01:11,965 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:01:11,965 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:01:11,967 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:01:11,968 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:01:11,968 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:01:11,969 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:01:11,969 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:01:11,970 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:01:11,970 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:01:11,971 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:01:11,971 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:01:11,972 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:01:11,972 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:01:11,973 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:01:11,974 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:01:11,974 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:01:11,975 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:01:11,976 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:01:11,976 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:01:11,978 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:01:11,978 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:01:11,978 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:01:11,978 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_25df0ab3-274e-407b-9082-59d373b026a9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25df0ab3-274e-407b-9082-59d373b026a9/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f88e56db5d4a069a75f7d157c02a6d71e69f72bef3f2984433669539d06b3f44 [2023-11-19 04:01:12,332 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:01:12,371 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:01:12,375 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:01:12,376 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:01:12,377 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:01:12,379 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25df0ab3-274e-407b-9082-59d373b026a9/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench/geo1-ll.c [2023-11-19 04:01:16,093 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:01:16,367 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:01:16,367 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25df0ab3-274e-407b-9082-59d373b026a9/sv-benchmarks/c/nla-digbench/geo1-ll.c [2023-11-19 04:01:16,378 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25df0ab3-274e-407b-9082-59d373b026a9/bin/ukojak-verify-G8NBE6pJGL/data/91ec1362c/47fd1caa529044a480555f2d0142e771/FLAG549116c66 [2023-11-19 04:01:16,397 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25df0ab3-274e-407b-9082-59d373b026a9/bin/ukojak-verify-G8NBE6pJGL/data/91ec1362c/47fd1caa529044a480555f2d0142e771 [2023-11-19 04:01:16,400 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:01:16,402 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:01:16,404 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:01:16,404 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:01:16,410 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:01:16,412 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:01:16" (1/1) ... [2023-11-19 04:01:16,413 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22e34a26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:16, skipping insertion in model container [2023-11-19 04:01:16,413 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:01:16" (1/1) ... [2023-11-19 04:01:16,446 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:01:16,704 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_25df0ab3-274e-407b-9082-59d373b026a9/sv-benchmarks/c/nla-digbench/geo1-ll.c[546,559] [2023-11-19 04:01:16,728 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:01:16,743 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:01:16,763 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_25df0ab3-274e-407b-9082-59d373b026a9/sv-benchmarks/c/nla-digbench/geo1-ll.c[546,559] [2023-11-19 04:01:16,777 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:01:16,799 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:01:16,799 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:16 WrapperNode [2023-11-19 04:01:16,800 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:01:16,801 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:01:16,802 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:01:16,802 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:01:16,811 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:16" (1/1) ... [2023-11-19 04:01:16,822 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:16" (1/1) ... [2023-11-19 04:01:16,848 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 41 [2023-11-19 04:01:16,849 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:01:16,850 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:01:16,850 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:01:16,851 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:01:16,862 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:16" (1/1) ... [2023-11-19 04:01:16,863 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:16" (1/1) ... [2023-11-19 04:01:16,876 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:16" (1/1) ... [2023-11-19 04:01:16,877 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:16" (1/1) ... [2023-11-19 04:01:16,889 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:16" (1/1) ... [2023-11-19 04:01:16,893 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:16" (1/1) ... [2023-11-19 04:01:16,895 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:16" (1/1) ... [2023-11-19 04:01:16,896 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:16" (1/1) ... [2023-11-19 04:01:16,898 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:01:16,899 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:01:16,900 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:01:16,900 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:01:16,901 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:16" (1/1) ... [2023-11-19 04:01:16,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:01:16,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25df0ab3-274e-407b-9082-59d373b026a9/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:01:16,966 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25df0ab3-274e-407b-9082-59d373b026a9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:01:16,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25df0ab3-274e-407b-9082-59d373b026a9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:01:17,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:01:17,008 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:01:17,008 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:01:17,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:01:17,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:01:17,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:01:17,009 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 04:01:17,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 04:01:17,090 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:01:17,093 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:01:17,238 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:01:17,275 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:01:17,275 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:01:17,281 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:01:17 BoogieIcfgContainer [2023-11-19 04:01:17,281 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:01:17,282 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:01:17,282 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:01:17,293 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:01:17,293 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:01:17" (1/1) ... [2023-11-19 04:01:17,304 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:01:17,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:17,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2023-11-19 04:01:17,380 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2023-11-19 04:01:17,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:01:17,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:17,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:17,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:17,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 04:01:17,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:17,704 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:01:17,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:17,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2023-11-19 04:01:17,819 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2023-11-19 04:01:17,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 04:01:17,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:17,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:17,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:17,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 04:01:17,898 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:17,991 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:01:18,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:18,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 26 states and 35 transitions. [2023-11-19 04:01:18,072 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2023-11-19 04:01:18,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 04:01:18,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:18,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:18,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:18,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 04:01:18,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:18,332 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:01:19,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:19,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 30 states and 41 transitions. [2023-11-19 04:01:19,046 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 41 transitions. [2023-11-19 04:01:19,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 04:01:19,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:19,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:19,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:19,136 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 04:01:19,140 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:19,324 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 04:01:19,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:19,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 32 states and 44 transitions. [2023-11-19 04:01:19,545 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 44 transitions. [2023-11-19 04:01:19,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 04:01:19,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:19,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:19,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:19,637 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-19 04:01:19,643 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:20,043 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:01:21,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:21,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 40 states and 58 transitions. [2023-11-19 04:01:21,146 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 58 transitions. [2023-11-19 04:01:21,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 04:01:21,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:21,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:21,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:21,226 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 04:01:21,232 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:21,733 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 11 proven. 17 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 04:01:22,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:22,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 43 states and 63 transitions. [2023-11-19 04:01:22,885 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 63 transitions. [2023-11-19 04:01:22,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-19 04:01:22,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:22,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:22,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:22,937 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 04:01:22,940 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:01:44,407 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 26 proven. 18 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.