./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound20.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_09c3199e-dced-4703-9e43-33c7e4888b24/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09c3199e-dced-4703-9e43-33c7e4888b24/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_09c3199e-dced-4703-9e43-33c7e4888b24/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09c3199e-dced-4703-9e43-33c7e4888b24/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09c3199e-dced-4703-9e43-33c7e4888b24/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_09c3199e-dced-4703-9e43-33c7e4888b24/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 cb384ff5c9201b9f90543357d3375f0a0ac9cc5fac01729f538d89799a1d7226 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:51:37,633 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:51:37,762 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09c3199e-dced-4703-9e43-33c7e4888b24/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:51:37,776 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:51:37,777 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:51:37,819 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:51:37,820 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:51:37,821 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:51:37,822 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:51:37,827 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:51:37,828 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:51:37,829 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:51:37,829 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:51:37,831 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:51:37,832 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:51:37,832 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:51:37,832 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:51:37,833 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:51:37,833 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:51:37,834 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:51:37,834 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:51:37,835 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:51:37,836 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:51:37,837 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:51:37,837 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:51:37,838 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:51:37,838 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:51:37,839 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:51:37,839 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:51:37,839 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:51:37,841 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:51:37,841 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:51:37,842 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:51:37,842 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_09c3199e-dced-4703-9e43-33c7e4888b24/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09c3199e-dced-4703-9e43-33c7e4888b24/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb384ff5c9201b9f90543357d3375f0a0ac9cc5fac01729f538d89799a1d7226 [2023-11-24 22:51:38,198 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:51:38,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:51:38,245 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:51:38,246 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:51:38,247 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:51:38,249 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09c3199e-dced-4703-9e43-33c7e4888b24/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound20.c [2023-11-24 22:51:41,528 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:51:41,800 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:51:41,801 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09c3199e-dced-4703-9e43-33c7e4888b24/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound20.c [2023-11-24 22:51:41,810 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09c3199e-dced-4703-9e43-33c7e4888b24/bin/ukojak-verify-afCqCEvfdi/data/afcbdacbe/4e1952f26fe343aea654e992b46a4856/FLAG70e417770 [2023-11-24 22:51:41,825 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09c3199e-dced-4703-9e43-33c7e4888b24/bin/ukojak-verify-afCqCEvfdi/data/afcbdacbe/4e1952f26fe343aea654e992b46a4856 [2023-11-24 22:51:41,827 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:51:41,829 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:51:41,831 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:51:41,831 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:51:41,836 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:51:41,837 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:51:41" (1/1) ... [2023-11-24 22:51:41,839 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a2f70fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:41, skipping insertion in model container [2023-11-24 22:51:41,839 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:51:41" (1/1) ... [2023-11-24 22:51:41,865 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:51:42,021 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_09c3199e-dced-4703-9e43-33c7e4888b24/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound20.c[597,610] [2023-11-24 22:51:42,049 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:51:42,059 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:51:42,072 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_09c3199e-dced-4703-9e43-33c7e4888b24/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound20.c[597,610] [2023-11-24 22:51:42,080 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:51:42,097 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:51:42,098 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:42 WrapperNode [2023-11-24 22:51:42,098 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:51:42,099 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:51:42,099 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:51:42,100 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:51:42,107 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:42" (1/1) ... [2023-11-24 22:51:42,114 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:42" (1/1) ... [2023-11-24 22:51:42,133 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 52 [2023-11-24 22:51:42,134 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:51:42,135 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:51:42,135 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:51:42,135 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:51:42,147 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:42" (1/1) ... [2023-11-24 22:51:42,148 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:42" (1/1) ... [2023-11-24 22:51:42,155 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:42" (1/1) ... [2023-11-24 22:51:42,155 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:42" (1/1) ... [2023-11-24 22:51:42,158 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:42" (1/1) ... [2023-11-24 22:51:42,162 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:42" (1/1) ... [2023-11-24 22:51:42,171 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:42" (1/1) ... [2023-11-24 22:51:42,173 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:42" (1/1) ... [2023-11-24 22:51:42,175 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:51:42,180 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:51:42,186 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:51:42,186 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:51:42,187 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:51:42" (1/1) ... [2023-11-24 22:51:42,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:51:42,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09c3199e-dced-4703-9e43-33c7e4888b24/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:51:42,228 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09c3199e-dced-4703-9e43-33c7e4888b24/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:51:42,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09c3199e-dced-4703-9e43-33c7e4888b24/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:51:42,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:51:42,261 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:51:42,261 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:51:42,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:51:42,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:51:42,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:51:42,262 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:51:42,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:51:42,335 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:51:42,337 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:51:42,489 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:51:42,541 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:51:42,541 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:51:42,543 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:51:42 BoogieIcfgContainer [2023-11-24 22:51:42,543 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:51:42,544 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:51:42,545 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:51:42,556 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:51:42,556 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:51:42" (1/1) ... [2023-11-24 22:51:42,566 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:51:42,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:42,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2023-11-24 22:51:42,627 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2023-11-24 22:51:42,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:51:42,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:42,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:42,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:42,829 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-24 22:51:42,835 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:43,026 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:43,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:43,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2023-11-24 22:51:43,200 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2023-11-24 22:51:43,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:51:43,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:43,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:43,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:43,261 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 22:51:43,263 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:43,434 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:51:43,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:43,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 38 transitions. [2023-11-24 22:51:43,874 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2023-11-24 22:51:43,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:51:43,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:43,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:43,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:43,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-24 22:51:43,946 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:44,494 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:45,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:45,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 33 states and 57 transitions. [2023-11-24 22:51:45,714 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 57 transitions. [2023-11-24 22:51:45,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 22:51:45,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:45,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:45,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:45,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-24 22:51:45,798 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:46,252 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:47,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:47,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 38 states and 72 transitions. [2023-11-24 22:51:47,474 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 72 transitions. [2023-11-24 22:51:47,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 22:51:47,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:47,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:47,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:47,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-24 22:51:47,537 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:48,630 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-24 22:51:51,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:51,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 43 states and 83 transitions. [2023-11-24 22:51:51,495 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 83 transitions. [2023-11-24 22:51:51,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 22:51:51,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:51,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:51,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:51,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-24 22:51:51,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:52,862 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:51:55,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:51:55,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 47 states and 100 transitions. [2023-11-24 22:51:55,992 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 100 transitions. [2023-11-24 22:51:55,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 22:51:55,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:51:55,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:51:56,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:51:56,066 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-24 22:51:56,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:51:57,779 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 6 proven. 22 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-24 22:52:01,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:01,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 50 states and 112 transitions. [2023-11-24 22:52:01,407 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 112 transitions. [2023-11-24 22:52:01,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 22:52:01,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:01,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:01,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:01,496 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-24 22:52:01,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:52:02,497 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 6 proven. 22 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-24 22:52:03,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:03,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 50 states and 108 transitions. [2023-11-24 22:52:03,621 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 108 transitions. [2023-11-24 22:52:03,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 22:52:03,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:03,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:03,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:03,668 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-24 22:52:03,670 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:52:04,719 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 16 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-24 22:52:07,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:07,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 54 states and 120 transitions. [2023-11-24 22:52:07,615 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 120 transitions. [2023-11-24 22:52:07,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-24 22:52:07,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:07,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:07,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:07,678 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-24 22:52:07,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:52:09,707 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 14 proven. 22 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-24 22:52:13,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:13,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 58 states and 132 transitions. [2023-11-24 22:52:13,914 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 132 transitions. [2023-11-24 22:52:13,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-24 22:52:13,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:13,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:14,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:14,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-24 22:52:14,024 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:52:16,674 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 14 proven. 30 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-24 22:52:22,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:22,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 60 states and 137 transitions. [2023-11-24 22:52:22,133 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 137 transitions. [2023-11-24 22:52:22,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-24 22:52:22,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:22,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:22,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:22,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-24 22:52:22,250 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:52:25,864 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 13 proven. 40 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-11-24 22:52:32,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:52:32,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 64 states and 149 transitions. [2023-11-24 22:52:32,911 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 149 transitions. [2023-11-24 22:52:32,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-24 22:52:32,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:52:32,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:52:33,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:52:33,117 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-24 22:52:33,120 INFO L285 TraceCheckSpWp]: Computing forward predicates...