./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 0e0057cc 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_71be1775-886f-465b-ae7c-fef89297c7ed/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71be1775-886f-465b-ae7c-fef89297c7ed/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71be1775-886f-465b-ae7c-fef89297c7ed/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71be1775-886f-465b-ae7c-fef89297c7ed/bin/ukojak-verify-afCqCEvfdi/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_71be1775-886f-465b-ae7c-fef89297c7ed/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71be1775-886f-465b-ae7c-fef89297c7ed/bin/ukojak-verify-afCqCEvfdi --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 0.2.4-dev-0e0057c [2023-11-24 23:03:29,357 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:03:29,475 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71be1775-886f-465b-ae7c-fef89297c7ed/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:03:29,490 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:03:29,491 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:03:29,529 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:03:29,534 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:03:29,535 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:03:29,536 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:03:29,566 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:03:29,568 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:03:29,569 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:03:29,569 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:03:29,571 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:03:29,572 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:03:29,572 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:03:29,573 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:03:29,573 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:03:29,573 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:03:29,574 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:03:29,574 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:03:29,575 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:03:29,576 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:03:29,576 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:03:29,577 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:03:29,577 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:03:29,577 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:03:29,578 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:03:29,578 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:03:29,579 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:03:29,580 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:03:29,580 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:03:29,580 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:03:29,581 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_71be1775-886f-465b-ae7c-fef89297c7ed/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71be1775-886f-465b-ae7c-fef89297c7ed/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8ee33f278cd93a3b1e0d551730c6407889b70e338ebc3c857541220d9b0f75f [2023-11-24 23:03:29,855 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:03:29,893 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:03:29,895 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:03:29,896 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:03:29,897 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:03:29,898 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71be1775-886f-465b-ae7c-fef89297c7ed/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound10.c [2023-11-24 23:03:33,002 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:03:33,208 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:03:33,212 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71be1775-886f-465b-ae7c-fef89297c7ed/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound10.c [2023-11-24 23:03:33,222 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71be1775-886f-465b-ae7c-fef89297c7ed/bin/ukojak-verify-afCqCEvfdi/data/95b491839/bf36550f6db84c6ab6ec2756521cad47/FLAG07d4894d3 [2023-11-24 23:03:33,235 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71be1775-886f-465b-ae7c-fef89297c7ed/bin/ukojak-verify-afCqCEvfdi/data/95b491839/bf36550f6db84c6ab6ec2756521cad47 [2023-11-24 23:03:33,237 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:03:33,239 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:03:33,240 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:03:33,240 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:03:33,246 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:03:33,246 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:03:33" (1/1) ... [2023-11-24 23:03:33,248 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@176c409c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:33, skipping insertion in model container [2023-11-24 23:03:33,248 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:03:33" (1/1) ... [2023-11-24 23:03:33,272 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:03:33,471 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_71be1775-886f-465b-ae7c-fef89297c7ed/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound10.c[597,610] [2023-11-24 23:03:33,517 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:03:33,530 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:03:33,546 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_71be1775-886f-465b-ae7c-fef89297c7ed/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound10.c[597,610] [2023-11-24 23:03:33,578 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:03:33,594 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:03:33,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:33 WrapperNode [2023-11-24 23:03:33,595 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:03:33,596 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:03:33,597 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:03:33,597 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:03:33,605 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:33" (1/1) ... [2023-11-24 23:03:33,613 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:33" (1/1) ... [2023-11-24 23:03:33,639 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 55 [2023-11-24 23:03:33,639 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:03:33,640 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:03:33,640 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:03:33,640 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:03:33,650 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:33" (1/1) ... [2023-11-24 23:03:33,650 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:33" (1/1) ... [2023-11-24 23:03:33,661 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:33" (1/1) ... [2023-11-24 23:03:33,661 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:33" (1/1) ... [2023-11-24 23:03:33,664 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:33" (1/1) ... [2023-11-24 23:03:33,667 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:33" (1/1) ... [2023-11-24 23:03:33,668 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:33" (1/1) ... [2023-11-24 23:03:33,669 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:33" (1/1) ... [2023-11-24 23:03:33,671 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:03:33,672 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:03:33,672 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:03:33,679 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:03:33,680 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:33" (1/1) ... [2023-11-24 23:03:33,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:03:33,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71be1775-886f-465b-ae7c-fef89297c7ed/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:03:33,720 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71be1775-886f-465b-ae7c-fef89297c7ed/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:03:33,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71be1775-886f-465b-ae7c-fef89297c7ed/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:03:33,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:03:33,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:03:33,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:03:33,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:03:33,771 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:03:33,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:03:33,850 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:03:33,853 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:03:34,064 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:03:34,115 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:03:34,115 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:03:34,117 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:03:34 BoogieIcfgContainer [2023-11-24 23:03:34,117 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:03:34,118 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:03:34,118 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:03:34,129 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:03:34,129 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:03:34" (1/1) ... [2023-11-24 23:03:34,139 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:03:34,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:34,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2023-11-24 23:03:34,195 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2023-11-24 23:03:34,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:03:34,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:34,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:34,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:34,334 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-24 23:03:34,340 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:34,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:34,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:34,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2023-11-24 23:03:34,624 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2023-11-24 23:03:34,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:03:34,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:34,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:34,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:34,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:34,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:03:34,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:34,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:35,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:35,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2023-11-24 23:03:35,057 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2023-11-24 23:03:35,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:03:35,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:35,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:35,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:35,095 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-24 23:03:35,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:35,267 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:35,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:35,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 26 states and 40 transitions. [2023-11-24 23:03:35,581 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 40 transitions. [2023-11-24 23:03:35,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:03:35,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:35,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:35,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:35,624 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-24 23:03:35,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:36,027 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:36,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:36,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 29 states and 49 transitions. [2023-11-24 23:03:36,708 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 49 transitions. [2023-11-24 23:03:36,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:03:36,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:36,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:36,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:36,763 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:03:36,765 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:36,858 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:38,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:38,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 37 states and 74 transitions. [2023-11-24 23:03:38,599 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 74 transitions. [2023-11-24 23:03:38,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:03:38,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:38,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:38,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:38,664 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-24 23:03:38,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:40,210 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 23:03:45,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:45,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 45 states and 104 transitions. [2023-11-24 23:03:45,154 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 104 transitions. [2023-11-24 23:03:45,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:03:45,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:45,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:45,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:45,211 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-24 23:03:45,215 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:45,792 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 23:03:46,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:46,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 46 states and 107 transitions. [2023-11-24 23:03:46,991 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 107 transitions. [2023-11-24 23:03:46,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:03:46,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:46,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:47,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:47,067 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-24 23:03:47,070 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:48,102 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:03:50,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:50,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 49 states and 120 transitions. [2023-11-24 23:03:50,325 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 120 transitions. [2023-11-24 23:03:50,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:03:50,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:50,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:50,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:50,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:03:50,368 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:50,620 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:55,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:55,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 53 states and 134 transitions. [2023-11-24 23:03:55,777 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 134 transitions. [2023-11-24 23:03:55,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:03:55,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:55,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:55,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:55,822 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:03:55,825 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:55,859 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:57,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:57,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 58 states and 159 transitions. [2023-11-24 23:03:57,964 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 159 transitions. [2023-11-24 23:03:57,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 23:03:57,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:57,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:58,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:58,022 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-24 23:03:58,025 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:59,246 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 19 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:04:03,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:03,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 62 states and 187 transitions. [2023-11-24 23:04:03,683 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 187 transitions. [2023-11-24 23:04:03,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 23:04:03,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:03,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:03,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:03,734 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-24 23:04:03,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:04,353 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:04:05,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:05,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 62 states and 178 transitions. [2023-11-24 23:04:05,913 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 178 transitions. [2023-11-24 23:04:05,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 23:04:05,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:05,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:05,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:05,989 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 23:04:05,992 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:08,017 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:04:12,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:12,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 65 states and 198 transitions. [2023-11-24 23:04:12,254 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 198 transitions. [2023-11-24 23:04:12,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 23:04:12,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:12,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:12,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:12,308 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 23:04:12,309 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:12,707 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:20,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:20,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 73 states and 245 transitions. [2023-11-24 23:04:20,406 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 245 transitions. [2023-11-24 23:04:20,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 23:04:20,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:20,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:20,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:20,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 23:04:20,452 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:20,512 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:21,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:21,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 74 states and 246 transitions. [2023-11-24 23:04:21,456 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 246 transitions. [2023-11-24 23:04:21,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 23:04:21,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:21,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:04:21,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:21,550 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-24 23:04:21,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:23,821 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 13 proven. 28 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.