./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound100.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_2244e6f9-3d32-46a6-a40f-ab3278ec16fc/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2244e6f9-3d32-46a6-a40f-ab3278ec16fc/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_2244e6f9-3d32-46a6-a40f-ab3278ec16fc/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2244e6f9-3d32-46a6-a40f-ab3278ec16fc/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2244e6f9-3d32-46a6-a40f-ab3278ec16fc/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_2244e6f9-3d32-46a6-a40f-ab3278ec16fc/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 dcfa20afbcf57395283e6b29150825f75bf22f314560a1ef9f9a071a6a8d55a6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:09:26,886 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:09:27,003 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2244e6f9-3d32-46a6-a40f-ab3278ec16fc/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:09:27,010 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:09:27,011 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:09:27,050 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:09:27,051 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:09:27,052 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:09:27,053 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:09:27,058 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:09:27,059 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:09:27,060 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:09:27,060 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:09:27,062 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:09:27,062 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:09:27,063 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:09:27,063 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:09:27,064 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:09:27,064 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:09:27,065 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:09:27,065 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:09:27,066 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:09:27,067 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:09:27,067 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:09:27,067 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:09:27,068 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:09:27,068 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:09:27,069 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:09:27,069 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:09:27,070 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:09:27,071 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:09:27,071 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:09:27,071 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:09:27,072 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_2244e6f9-3d32-46a6-a40f-ab3278ec16fc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2244e6f9-3d32-46a6-a40f-ab3278ec16fc/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dcfa20afbcf57395283e6b29150825f75bf22f314560a1ef9f9a071a6a8d55a6 [2023-11-24 23:09:27,350 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:09:27,376 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:09:27,378 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:09:27,380 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:09:27,380 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:09:27,382 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2244e6f9-3d32-46a6-a40f-ab3278ec16fc/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound100.c [2023-11-24 23:09:30,489 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:09:30,735 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:09:30,735 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2244e6f9-3d32-46a6-a40f-ab3278ec16fc/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound100.c [2023-11-24 23:09:30,744 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2244e6f9-3d32-46a6-a40f-ab3278ec16fc/bin/ukojak-verify-afCqCEvfdi/data/a0b04a825/117153b310a04a0c91cb813982594f06/FLAGff8b40181 [2023-11-24 23:09:30,760 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2244e6f9-3d32-46a6-a40f-ab3278ec16fc/bin/ukojak-verify-afCqCEvfdi/data/a0b04a825/117153b310a04a0c91cb813982594f06 [2023-11-24 23:09:30,763 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:09:30,765 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:09:30,766 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:09:30,766 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:09:30,772 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:09:30,773 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:09:30" (1/1) ... [2023-11-24 23:09:30,774 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26fb3b3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:30, skipping insertion in model container [2023-11-24 23:09:30,775 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:09:30" (1/1) ... [2023-11-24 23:09:30,799 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:09:30,986 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_2244e6f9-3d32-46a6-a40f-ab3278ec16fc/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound100.c[525,538] [2023-11-24 23:09:31,010 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:09:31,023 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:09:31,036 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_2244e6f9-3d32-46a6-a40f-ab3278ec16fc/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound100.c[525,538] [2023-11-24 23:09:31,042 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:09:31,058 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:09:31,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:31 WrapperNode [2023-11-24 23:09:31,059 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:09:31,060 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:09:31,060 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:09:31,061 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:09:31,068 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:31" (1/1) ... [2023-11-24 23:09:31,074 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:31" (1/1) ... [2023-11-24 23:09:31,091 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 50 [2023-11-24 23:09:31,091 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:09:31,092 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:09:31,093 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:09:31,093 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:09:31,103 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:31" (1/1) ... [2023-11-24 23:09:31,103 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:31" (1/1) ... [2023-11-24 23:09:31,105 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:31" (1/1) ... [2023-11-24 23:09:31,105 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:31" (1/1) ... [2023-11-24 23:09:31,113 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:31" (1/1) ... [2023-11-24 23:09:31,117 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:31" (1/1) ... [2023-11-24 23:09:31,118 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:31" (1/1) ... [2023-11-24 23:09:31,119 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:31" (1/1) ... [2023-11-24 23:09:31,121 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:09:31,122 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:09:31,123 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:09:31,123 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:09:31,124 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:31" (1/1) ... [2023-11-24 23:09:31,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:09:31,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2244e6f9-3d32-46a6-a40f-ab3278ec16fc/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:09:31,166 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2244e6f9-3d32-46a6-a40f-ab3278ec16fc/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:09:31,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2244e6f9-3d32-46a6-a40f-ab3278ec16fc/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:09:31,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:09:31,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:09:31,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:09:31,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:09:31,203 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:09:31,203 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:09:31,271 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:09:31,273 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:09:31,433 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:09:31,469 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:09:31,471 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:09:31,473 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:09:31 BoogieIcfgContainer [2023-11-24 23:09:31,473 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:09:31,474 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:09:31,474 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:09:31,482 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:09:31,482 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:09:31" (1/1) ... [2023-11-24 23:09:31,491 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:09:31,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:31,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2023-11-24 23:09:31,545 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2023-11-24 23:09:31,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:09:31,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:31,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:31,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:31,671 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:09:31,676 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:31,697 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 23:09:31,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:31,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2023-11-24 23:09:31,722 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-11-24 23:09:31,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:09:31,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:31,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:31,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:31,761 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:09:31,763 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:31,833 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 23:09:31,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:31,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2023-11-24 23:09:31,912 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2023-11-24 23:09:31,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:09:31,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:31,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:31,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:31,944 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-24 23:09:31,946 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:32,118 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 23:09:32,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:32,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2023-11-24 23:09:32,459 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2023-11-24 23:09:32,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:09:32,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:32,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:32,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:32,517 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:09:32,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:32,643 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:32,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:32,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2023-11-24 23:09:32,919 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2023-11-24 23:09:32,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:09:32,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:32,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:33,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:33,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-24 23:09:33,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:33,491 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:36,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:36,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 30 states and 51 transitions. [2023-11-24 23:09:36,168 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 51 transitions. [2023-11-24 23:09:36,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:09:36,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:36,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:36,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:36,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:09:36,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:36,303 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 23:09:37,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:37,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 38 states and 76 transitions. [2023-11-24 23:09:37,873 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 76 transitions. [2023-11-24 23:09:37,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:09:37,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:37,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:37,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:37,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-24 23:09:37,993 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:38,725 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:41,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:41,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 44 states and 92 transitions. [2023-11-24 23:09:41,644 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 92 transitions. [2023-11-24 23:09:41,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:09:41,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:41,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:41,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:41,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 23:09:41,840 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:42,982 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:09:51,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:51,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 48 states and 108 transitions. [2023-11-24 23:09:51,685 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 108 transitions. [2023-11-24 23:09:51,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:09:51,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:51,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:51,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:51,717 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:09:51,719 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:51,921 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 23:09:54,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:54,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 52 states and 127 transitions. [2023-11-24 23:09:54,718 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 127 transitions. [2023-11-24 23:09:54,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:09:54,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:54,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:54,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:54,915 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-24 23:09:54,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:56,763 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:10:09,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:09,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 55 states and 144 transitions. [2023-11-24 23:10:09,678 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 144 transitions. [2023-11-24 23:10:09,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:10:09,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:09,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:09,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:09,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 23:10:09,842 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:10,382 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:10:17,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:17,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 57 states and 153 transitions. [2023-11-24 23:10:17,546 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 153 transitions. [2023-11-24 23:10:17,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:10:17,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:17,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:17,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:17,614 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-24 23:10:17,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:17,938 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:10:31,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:31,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 61 states and 162 transitions. [2023-11-24 23:10:31,726 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 162 transitions. [2023-11-24 23:10:31,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:10:31,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:31,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:31,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:31,756 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:10:31,758 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:31,809 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.