./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound10.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_aa278e8d-0390-4c5a-8007-0398b911ae33/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa278e8d-0390-4c5a-8007-0398b911ae33/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_aa278e8d-0390-4c5a-8007-0398b911ae33/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa278e8d-0390-4c5a-8007-0398b911ae33/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa278e8d-0390-4c5a-8007-0398b911ae33/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_aa278e8d-0390-4c5a-8007-0398b911ae33/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 4018f196b5be3ea7c518259557cd649a90434a9cacf1ef4108caf962c0feb788 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:09:28,791 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:09:28,858 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa278e8d-0390-4c5a-8007-0398b911ae33/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:09:28,864 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:09:28,864 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:09:28,890 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:09:28,891 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:09:28,892 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:09:28,893 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:09:28,894 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:09:28,894 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:09:28,895 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:09:28,896 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:09:28,896 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:09:28,897 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:09:28,897 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:09:28,898 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:09:28,898 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:09:28,899 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:09:28,900 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:09:28,900 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:09:28,901 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:09:28,901 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:09:28,902 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:09:28,902 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:09:28,903 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:09:28,903 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:09:28,904 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:09:28,905 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:09:28,905 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:09:28,906 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:09:28,906 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:09:28,907 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:09:28,907 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_aa278e8d-0390-4c5a-8007-0398b911ae33/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa278e8d-0390-4c5a-8007-0398b911ae33/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4018f196b5be3ea7c518259557cd649a90434a9cacf1ef4108caf962c0feb788 [2023-11-19 04:09:29,213 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:09:29,250 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:09:29,273 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:09:29,275 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:09:29,276 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:09:29,277 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa278e8d-0390-4c5a-8007-0398b911ae33/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound10.c [2023-11-19 04:09:32,868 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:09:33,167 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:09:33,168 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa278e8d-0390-4c5a-8007-0398b911ae33/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound10.c [2023-11-19 04:09:33,174 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa278e8d-0390-4c5a-8007-0398b911ae33/bin/ukojak-verify-G8NBE6pJGL/data/8d99ca337/18377b3829da44398496df9b8bd4f237/FLAGf0425f1ad [2023-11-19 04:09:33,189 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa278e8d-0390-4c5a-8007-0398b911ae33/bin/ukojak-verify-G8NBE6pJGL/data/8d99ca337/18377b3829da44398496df9b8bd4f237 [2023-11-19 04:09:33,191 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:09:33,193 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:09:33,194 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:09:33,194 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:09:33,199 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:09:33,200 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:09:33" (1/1) ... [2023-11-19 04:09:33,201 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a3f3a04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:33, skipping insertion in model container [2023-11-19 04:09:33,201 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:09:33" (1/1) ... [2023-11-19 04:09:33,229 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:09:33,373 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_aa278e8d-0390-4c5a-8007-0398b911ae33/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound10.c[597,610] [2023-11-19 04:09:33,397 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:09:33,409 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:09:33,425 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_aa278e8d-0390-4c5a-8007-0398b911ae33/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound10.c[597,610] [2023-11-19 04:09:33,435 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:09:33,455 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:09:33,455 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:33 WrapperNode [2023-11-19 04:09:33,456 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:09:33,457 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:09:33,457 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:09:33,458 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:09:33,467 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:33" (1/1) ... [2023-11-19 04:09:33,482 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:33" (1/1) ... [2023-11-19 04:09:33,511 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 52 [2023-11-19 04:09:33,512 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:09:33,512 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:09:33,513 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:09:33,513 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:09:33,521 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:33" (1/1) ... [2023-11-19 04:09:33,521 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:33" (1/1) ... [2023-11-19 04:09:33,523 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:33" (1/1) ... [2023-11-19 04:09:33,524 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:33" (1/1) ... [2023-11-19 04:09:33,528 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:33" (1/1) ... [2023-11-19 04:09:33,532 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:33" (1/1) ... [2023-11-19 04:09:33,533 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:33" (1/1) ... [2023-11-19 04:09:33,534 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:33" (1/1) ... [2023-11-19 04:09:33,536 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:09:33,538 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:09:33,538 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:09:33,538 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:09:33,539 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:33" (1/1) ... [2023-11-19 04:09:33,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:09:33,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa278e8d-0390-4c5a-8007-0398b911ae33/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:09:33,574 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa278e8d-0390-4c5a-8007-0398b911ae33/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:09:33,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa278e8d-0390-4c5a-8007-0398b911ae33/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:09:33,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:09:33,609 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 04:09:33,609 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 04:09:33,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:09:33,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:09:33,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:09:33,610 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 04:09:33,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 04:09:33,674 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:09:33,677 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:09:33,844 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:09:33,899 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:09:33,900 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:09:33,905 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:09:33 BoogieIcfgContainer [2023-11-19 04:09:33,906 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:09:33,907 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:09:33,907 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:09:33,919 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:09:33,923 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:09:33" (1/1) ... [2023-11-19 04:09:33,935 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:09:33,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:33,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2023-11-19 04:09:33,997 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2023-11-19 04:09:34,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 04:09:34,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:34,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:34,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:34,254 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 04:09:34,261 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:34,416 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 04:09:34,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:34,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2023-11-19 04:09:34,536 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2023-11-19 04:09:34,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 04:09:34,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:34,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:34,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:34,584 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 04:09:34,587 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:34,709 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 04:09:34,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:34,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 28 states and 40 transitions. [2023-11-19 04:09:34,913 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 40 transitions. [2023-11-19 04:09:34,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 04:09:34,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:34,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:34,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:34,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-19 04:09:34,970 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:35,778 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:09:37,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:37,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 53 transitions. [2023-11-19 04:09:37,242 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 53 transitions. [2023-11-19 04:09:37,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 04:09:37,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:37,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:37,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:37,334 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-19 04:09:37,340 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:38,383 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 04:09:40,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:40,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 37 states and 63 transitions. [2023-11-19 04:09:40,056 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 63 transitions. [2023-11-19 04:09:40,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 04:09:40,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:40,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:40,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:40,106 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-19 04:09:40,110 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:41,281 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 04:09:43,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:43,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 40 states and 72 transitions. [2023-11-19 04:09:43,678 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 72 transitions. [2023-11-19 04:09:43,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 04:09:43,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:43,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:43,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:43,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-19 04:09:43,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:45,001 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 04:09:47,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:47,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 44 states and 84 transitions. [2023-11-19 04:09:47,165 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 84 transitions. [2023-11-19 04:09:47,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 04:09:47,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:47,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:47,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:47,211 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-19 04:09:47,214 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:48,600 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 7 proven. 14 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 04:09:53,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:53,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 49 states and 96 transitions. [2023-11-19 04:09:53,803 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 96 transitions. [2023-11-19 04:09:53,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 04:09:53,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:53,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:53,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:53,883 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-19 04:09:53,886 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:56,020 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 15 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-19 04:09:58,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:58,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 51 states and 105 transitions. [2023-11-19 04:09:58,793 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 105 transitions. [2023-11-19 04:09:58,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 04:09:58,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:58,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:58,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:58,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-19 04:09:58,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:10:01,575 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-19 04:10:06,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:10:06,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 54 states and 116 transitions. [2023-11-19 04:10:06,908 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 116 transitions. [2023-11-19 04:10:06,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 04:10:06,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:10:06,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:10:06,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:10:06,998 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-19 04:10:07,002 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:10:09,188 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 14 proven. 30 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-19 04:10:10,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:10:10,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 54 states and 112 transitions. [2023-11-19 04:10:10,706 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 112 transitions. [2023-11-19 04:10:10,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 04:10:10,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:10:10,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:10:10,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:10:10,759 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-19 04:10:10,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:10:13,137 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 16 proven. 19 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-19 04:10:17,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:10:17,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 57 states and 124 transitions. [2023-11-19 04:10:17,457 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 124 transitions. [2023-11-19 04:10:17,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 04:10:17,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:10:17,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:10:17,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:10:17,535 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-19 04:10:17,537 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:10:19,544 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 26 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-19 04:10:20,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:10:20,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 58 states and 127 transitions. [2023-11-19 04:10:20,208 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 127 transitions. [2023-11-19 04:10:20,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 04:10:20,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:10:20,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:10:20,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:10:20,361 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-19 04:10:20,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:10:25,567 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 10 proven. 40 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked.