./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound20.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_cb083402-cb83-433d-8662-512baa84304a/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb083402-cb83-433d-8662-512baa84304a/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_cb083402-cb83-433d-8662-512baa84304a/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb083402-cb83-433d-8662-512baa84304a/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb083402-cb83-433d-8662-512baa84304a/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_cb083402-cb83-433d-8662-512baa84304a/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 68bb6d7d6818d105c8d36601291f0fbd6a765091c35c37006c1280fceb3f620a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:59:14,045 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:59:14,193 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb083402-cb83-433d-8662-512baa84304a/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:59:14,205 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:59:14,206 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:59:14,251 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:59:14,253 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:59:14,254 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:59:14,256 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:59:14,262 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:59:14,263 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:59:14,263 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:59:14,264 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:59:14,267 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:59:14,267 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:59:14,268 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:59:14,269 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:59:14,269 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:59:14,270 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:59:14,270 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:59:14,271 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:59:14,272 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:59:14,274 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:59:14,275 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:59:14,276 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:59:14,277 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:59:14,278 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:59:14,278 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:59:14,279 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:59:14,280 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:59:14,281 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:59:14,282 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:59:14,282 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:59:14,283 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_cb083402-cb83-433d-8662-512baa84304a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb083402-cb83-433d-8662-512baa84304a/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68bb6d7d6818d105c8d36601291f0fbd6a765091c35c37006c1280fceb3f620a [2023-11-19 02:59:14,613 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:59:14,642 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:59:14,661 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:59:14,663 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:59:14,664 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:59:14,665 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb083402-cb83-433d-8662-512baa84304a/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound20.c [2023-11-19 02:59:17,898 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:59:18,134 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:59:18,134 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb083402-cb83-433d-8662-512baa84304a/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound20.c [2023-11-19 02:59:18,144 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb083402-cb83-433d-8662-512baa84304a/bin/ukojak-verify-G8NBE6pJGL/data/2a06e47c7/87b0099a6c9444aebcaa551a275f9e96/FLAG3056d279c [2023-11-19 02:59:18,162 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb083402-cb83-433d-8662-512baa84304a/bin/ukojak-verify-G8NBE6pJGL/data/2a06e47c7/87b0099a6c9444aebcaa551a275f9e96 [2023-11-19 02:59:18,166 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:59:18,168 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:59:18,170 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:59:18,170 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:59:18,177 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:59:18,178 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:59:18" (1/1) ... [2023-11-19 02:59:18,179 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62144d34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:18, skipping insertion in model container [2023-11-19 02:59:18,179 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:59:18" (1/1) ... [2023-11-19 02:59:18,207 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:59:18,377 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_cb083402-cb83-433d-8662-512baa84304a/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound20.c[597,610] [2023-11-19 02:59:18,398 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:59:18,410 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:59:18,422 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_cb083402-cb83-433d-8662-512baa84304a/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound20.c[597,610] [2023-11-19 02:59:18,432 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:59:18,450 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:59:18,450 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:18 WrapperNode [2023-11-19 02:59:18,451 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:59:18,452 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:59:18,452 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:59:18,453 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:59:18,462 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:18" (1/1) ... [2023-11-19 02:59:18,471 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:18" (1/1) ... [2023-11-19 02:59:18,494 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 55 [2023-11-19 02:59:18,494 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:59:18,495 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:59:18,495 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:59:18,496 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:59:18,504 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:18" (1/1) ... [2023-11-19 02:59:18,504 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:18" (1/1) ... [2023-11-19 02:59:18,506 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:18" (1/1) ... [2023-11-19 02:59:18,506 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:18" (1/1) ... [2023-11-19 02:59:18,510 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:18" (1/1) ... [2023-11-19 02:59:18,514 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:18" (1/1) ... [2023-11-19 02:59:18,516 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:18" (1/1) ... [2023-11-19 02:59:18,517 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:18" (1/1) ... [2023-11-19 02:59:18,519 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:59:18,520 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:59:18,520 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:59:18,521 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:59:18,522 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:59:18" (1/1) ... [2023-11-19 02:59:18,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:59:18,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb083402-cb83-433d-8662-512baa84304a/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:59:18,562 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb083402-cb83-433d-8662-512baa84304a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:59:18,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb083402-cb83-433d-8662-512baa84304a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:59:18,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:59:18,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:59:18,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:59:18,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:59:18,608 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:59:18,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:59:18,694 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:59:18,697 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:59:18,892 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:59:18,951 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:59:18,952 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:59:18,958 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:59:18 BoogieIcfgContainer [2023-11-19 02:59:18,958 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:59:18,959 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:59:18,960 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:59:18,969 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:59:18,970 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:59:18" (1/1) ... [2023-11-19 02:59:18,978 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:59:19,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:59:19,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2023-11-19 02:59:19,041 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2023-11-19 02:59:19,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:59:19,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:59:19,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:59:19,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:59:19,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:59:19,274 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:59:19,589 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 02:59:19,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:59:19,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2023-11-19 02:59:19,747 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2023-11-19 02:59:19,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:59:19,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:59:19,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:59:19,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:59:19,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:59:19,816 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:59:19,818 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:59:19,859 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 02:59:20,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:59:20,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2023-11-19 02:59:20,181 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2023-11-19 02:59:20,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:59:20,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:59:20,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:59:20,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:59:20,226 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:59:20,229 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:59:20,397 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:59:20,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:59:20,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 26 states and 40 transitions. [2023-11-19 02:59:20,676 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 40 transitions. [2023-11-19 02:59:20,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 02:59:20,677 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:59:20,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:59:20,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:59:20,737 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 02:59:20,744 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:59:21,364 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:59:22,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:59:22,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 29 states and 49 transitions. [2023-11-19 02:59:22,139 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 49 transitions. [2023-11-19 02:59:22,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:59:22,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:59:22,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:59:22,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:59:22,173 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:59:22,174 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:59:22,292 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:59:24,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:59:24,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 37 states and 74 transitions. [2023-11-19 02:59:24,286 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 74 transitions. [2023-11-19 02:59:24,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:59:24,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:59:24,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:59:24,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:59:24,325 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-19 02:59:24,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:59:25,254 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:59:27,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:59:27,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 41 states and 92 transitions. [2023-11-19 02:59:27,161 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 92 transitions. [2023-11-19 02:59:27,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:59:27,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:59:27,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:59:27,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:59:27,197 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-19 02:59:27,200 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:59:27,962 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:59:28,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:59:29,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 42 states and 94 transitions. [2023-11-19 02:59:29,001 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 94 transitions. [2023-11-19 02:59:29,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:59:29,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:59:29,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:59:29,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:59:29,059 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 02:59:29,062 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:59:30,297 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:59:32,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:59:32,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 45 states and 108 transitions. [2023-11-19 02:59:32,324 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 108 transitions. [2023-11-19 02:59:32,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:59:32,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:59:32,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:59:32,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:59:32,361 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:59:32,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:59:32,596 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:59:36,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:59:36,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 49 states and 121 transitions. [2023-11-19 02:59:36,227 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 121 transitions. [2023-11-19 02:59:36,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:59:36,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:59:36,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:59:36,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:59:36,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:59:36,271 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:59:36,304 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:59:37,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:59:37,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 54 states and 146 transitions. [2023-11-19 02:59:37,836 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 146 transitions. [2023-11-19 02:59:37,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:59:37,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:59:37,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:59:37,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:59:37,878 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-19 02:59:37,880 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:59:39,514 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 11 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:59:45,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:59:45,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 58 states and 176 transitions. [2023-11-19 02:59:45,081 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 176 transitions. [2023-11-19 02:59:45,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:59:45,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:59:45,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:59:45,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:59:45,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-19 02:59:45,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:59:46,894 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 10 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:59:50,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:59:50,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 61 states and 187 transitions. [2023-11-19 02:59:50,250 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 187 transitions. [2023-11-19 02:59:50,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:59:50,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:59:50,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:59:50,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:59:50,314 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-19 02:59:50,316 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:59:52,276 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:59:55,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:59:55,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 64 states and 207 transitions. [2023-11-19 02:59:55,871 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 207 transitions. [2023-11-19 02:59:55,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 02:59:55,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:59:55,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:59:55,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:59:55,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:59:55,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:59:56,248 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:00:01,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:01,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 68 states and 221 transitions. [2023-11-19 03:00:01,838 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 221 transitions. [2023-11-19 03:00:01,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:00:01,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:01,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:01,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:01,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:00:01,878 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:01,923 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:00:04,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:00:04,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 73 states and 259 transitions. [2023-11-19 03:00:04,149 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 259 transitions. [2023-11-19 03:00:04,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 03:00:04,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:00:04,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:00:04,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:00:04,205 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-19 03:00:04,207 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:00:07,372 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 16 proven. 25 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.