./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134a475-70bb-4ff9-acc2-a84bdd1fb6ba/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134a475-70bb-4ff9-acc2-a84bdd1fb6ba/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_e134a475-70bb-4ff9-acc2-a84bdd1fb6ba/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134a475-70bb-4ff9-acc2-a84bdd1fb6ba/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134a475-70bb-4ff9-acc2-a84bdd1fb6ba/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_e134a475-70bb-4ff9-acc2-a84bdd1fb6ba/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 d8ee33f278cd93a3b1e0d551730c6407889b70e338ebc3c857541220d9b0f75f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:46:36,704 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:46:36,824 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134a475-70bb-4ff9-acc2-a84bdd1fb6ba/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:46:36,829 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:46:36,829 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:46:36,862 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:46:36,864 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:46:36,864 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:46:36,865 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:46:36,870 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:46:36,872 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:46:36,872 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:46:36,873 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:46:36,874 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:46:36,875 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:46:36,875 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:46:36,876 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:46:36,876 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:46:36,877 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:46:36,877 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:46:36,877 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:46:36,878 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:46:36,879 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:46:36,879 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:46:36,879 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:46:36,880 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:46:36,881 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:46:36,881 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:46:36,882 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:46:36,882 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:46:36,884 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:46:36,884 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:46:36,884 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:46:36,885 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_e134a475-70bb-4ff9-acc2-a84bdd1fb6ba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134a475-70bb-4ff9-acc2-a84bdd1fb6ba/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8ee33f278cd93a3b1e0d551730c6407889b70e338ebc3c857541220d9b0f75f [2023-11-19 02:46:37,177 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:46:37,210 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:46:37,213 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:46:37,214 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:46:37,215 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:46:37,216 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134a475-70bb-4ff9-acc2-a84bdd1fb6ba/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound10.c [2023-11-19 02:46:40,245 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:46:40,434 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:46:40,435 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134a475-70bb-4ff9-acc2-a84bdd1fb6ba/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound10.c [2023-11-19 02:46:40,443 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134a475-70bb-4ff9-acc2-a84bdd1fb6ba/bin/ukojak-verify-G8NBE6pJGL/data/2ebdce1da/4845206350ed4eeba644488c18bf3f00/FLAGcaac22a31 [2023-11-19 02:46:40,457 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134a475-70bb-4ff9-acc2-a84bdd1fb6ba/bin/ukojak-verify-G8NBE6pJGL/data/2ebdce1da/4845206350ed4eeba644488c18bf3f00 [2023-11-19 02:46:40,460 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:46:40,462 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:46:40,463 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:46:40,463 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:46:40,468 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:46:40,469 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:46:40" (1/1) ... [2023-11-19 02:46:40,470 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73b902b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:40, skipping insertion in model container [2023-11-19 02:46:40,470 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:46:40" (1/1) ... [2023-11-19 02:46:40,492 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:46:40,630 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_e134a475-70bb-4ff9-acc2-a84bdd1fb6ba/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound10.c[597,610] [2023-11-19 02:46:40,646 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:46:40,655 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:46:40,670 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_e134a475-70bb-4ff9-acc2-a84bdd1fb6ba/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound10.c[597,610] [2023-11-19 02:46:40,678 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:46:40,692 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:46:40,692 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:40 WrapperNode [2023-11-19 02:46:40,692 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:46:40,693 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:46:40,694 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:46:40,694 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:46:40,700 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:40" (1/1) ... [2023-11-19 02:46:40,706 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:40" (1/1) ... [2023-11-19 02:46:40,722 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 55 [2023-11-19 02:46:40,722 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:46:40,723 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:46:40,723 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:46:40,724 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:46:40,732 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:40" (1/1) ... [2023-11-19 02:46:40,732 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:40" (1/1) ... [2023-11-19 02:46:40,734 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:40" (1/1) ... [2023-11-19 02:46:40,734 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:40" (1/1) ... [2023-11-19 02:46:40,737 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:40" (1/1) ... [2023-11-19 02:46:40,740 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:40" (1/1) ... [2023-11-19 02:46:40,742 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:40" (1/1) ... [2023-11-19 02:46:40,743 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:40" (1/1) ... [2023-11-19 02:46:40,744 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:46:40,745 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:46:40,745 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:46:40,745 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:46:40,746 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:40" (1/1) ... [2023-11-19 02:46:40,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:46:40,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134a475-70bb-4ff9-acc2-a84bdd1fb6ba/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:46:40,775 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134a475-70bb-4ff9-acc2-a84bdd1fb6ba/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:46:40,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e134a475-70bb-4ff9-acc2-a84bdd1fb6ba/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:46:40,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:46:40,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:46:40,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:46:40,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:46:40,811 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:46:40,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:46:40,879 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:46:40,881 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:46:41,038 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:46:41,084 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:46:41,084 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:46:41,089 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:46:41 BoogieIcfgContainer [2023-11-19 02:46:41,089 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:46:41,090 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:46:41,090 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:46:41,122 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:46:41,122 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:46:41" (1/1) ... [2023-11-19 02:46:41,132 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:46:41,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:41,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2023-11-19 02:46:41,187 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2023-11-19 02:46:41,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:46:41,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:41,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:41,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:41,364 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 02:46:41,369 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:41,552 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 02:46:41,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:41,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2023-11-19 02:46:41,663 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2023-11-19 02:46:41,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:46:41,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:41,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:41,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:41,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:41,750 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:46:41,752 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:41,790 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 02:46:42,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:42,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2023-11-19 02:46:42,098 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2023-11-19 02:46:42,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:46:42,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:42,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:42,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:42,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-19 02:46:42,135 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:42,313 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 02:46:42,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:42,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 26 states and 40 transitions. [2023-11-19 02:46:42,650 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 40 transitions. [2023-11-19 02:46:42,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 02:46:42,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:42,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:42,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:42,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 02:46:42,721 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:43,171 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 02:46:43,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:43,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 29 states and 49 transitions. [2023-11-19 02:46:43,847 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 49 transitions. [2023-11-19 02:46:43,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:46:43,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:43,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:43,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:43,892 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 02:46:43,894 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:43,992 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 02:46:45,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:45,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 37 states and 74 transitions. [2023-11-19 02:46:45,742 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 74 transitions. [2023-11-19 02:46:45,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:46:45,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:45,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:45,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:45,776 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-19 02:46:45,779 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:46,727 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 02:46:48,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:48,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 41 states and 92 transitions. [2023-11-19 02:46:48,489 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 92 transitions. [2023-11-19 02:46:48,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:46:48,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:48,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:48,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:48,522 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-19 02:46:48,525 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:49,030 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 02:46:49,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:49,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 42 states and 94 transitions. [2023-11-19 02:46:49,899 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 94 transitions. [2023-11-19 02:46:49,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:46:49,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:49,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:49,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:49,940 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-19 02:46:49,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:51,026 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 02:46:52,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:52,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 45 states and 108 transitions. [2023-11-19 02:46:52,974 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 108 transitions. [2023-11-19 02:46:52,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:46:52,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:52,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:53,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:53,013 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:46:53,016 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:53,212 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 02:46:56,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:56,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 49 states and 121 transitions. [2023-11-19 02:46:56,257 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 121 transitions. [2023-11-19 02:46:56,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:46:56,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:56,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:56,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:56,303 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:46:56,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:56,340 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 02:46:57,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:57,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 54 states and 146 transitions. [2023-11-19 02:46:57,702 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 146 transitions. [2023-11-19 02:46:57,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:46:57,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:57,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:57,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:57,758 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-19 02:46:57,761 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:59,679 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 02:47:05,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:05,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 58 states and 176 transitions. [2023-11-19 02:47:05,029 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 176 transitions. [2023-11-19 02:47:05,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 02:47:05,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:05,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:05,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:05,078 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-19 02:47:05,081 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:06,132 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 02:47:07,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:07,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 59 states and 180 transitions. [2023-11-19 02:47:07,812 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 180 transitions. [2023-11-19 02:47:07,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 02:47:07,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:07,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:07,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:07,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-19 02:47:07,888 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:09,973 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 02:47:13,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:13,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 62 states and 200 transitions. [2023-11-19 02:47:13,248 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 200 transitions. [2023-11-19 02:47:13,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 02:47:13,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:13,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:13,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:13,284 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:47:13,286 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:13,620 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 02:47:19,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:19,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 66 states and 214 transitions. [2023-11-19 02:47:19,501 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 214 transitions. [2023-11-19 02:47:19,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 02:47:19,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:19,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:19,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:19,538 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 02:47:19,539 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:19,592 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 02:47:21,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:21,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 71 states and 252 transitions. [2023-11-19 02:47:21,916 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 252 transitions. [2023-11-19 02:47:21,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 02:47:21,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:21,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:21,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:21,981 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-19 02:47:21,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:25,279 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 16 proven. 25 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-19 02:47:32,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:32,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 77 states and 301 transitions. [2023-11-19 02:47:32,522 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 301 transitions. [2023-11-19 02:47:32,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-19 02:47:32,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:32,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:32,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:32,590 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-19 02:47:32,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:47:34,574 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 15 proven. 29 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.