./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_570717ae-776b-4631-acce-356e9998a899/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_570717ae-776b-4631-acce-356e9998a899/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_570717ae-776b-4631-acce-356e9998a899/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_570717ae-776b-4631-acce-356e9998a899/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_570717ae-776b-4631-acce-356e9998a899/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_570717ae-776b-4631-acce-356e9998a899/bin/ukojak-verify-EEHR8qb7sm --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 603eeec29f0f7a499f451ec7fa1906f0a8c90a729e0fc96740e12a91ea711946 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:53:43,114 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:53:43,185 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_570717ae-776b-4631-acce-356e9998a899/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:53:43,190 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:53:43,191 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:53:43,221 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:53:43,222 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:53:43,222 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:53:43,223 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:53:43,223 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:53:43,223 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:53:43,223 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:53:43,223 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:53:43,223 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:53:43,224 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:53:43,224 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:53:43,224 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:53:43,224 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:53:43,224 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:53:43,225 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:53:43,225 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:53:43,225 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:53:43,225 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:53:43,225 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:53:43,225 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:53:43,226 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:53:43,226 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:53:43,226 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:53:43,226 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:53:43,227 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:53:43,227 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:53:43,227 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:53:43,227 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:53:43,227 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_570717ae-776b-4631-acce-356e9998a899/bin/ukojak-verify-EEHR8qb7sm 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 -> 603eeec29f0f7a499f451ec7fa1906f0a8c90a729e0fc96740e12a91ea711946 [2024-11-13 22:53:43,546 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:53:43,559 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:53:43,565 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:53:43,566 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:53:43,567 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:53:43,569 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_570717ae-776b-4631-acce-356e9998a899/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound2.c Unable to find full path for "g++" [2024-11-13 22:53:45,618 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:53:45,943 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:53:45,945 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_570717ae-776b-4631-acce-356e9998a899/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound2.c [2024-11-13 22:53:45,966 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_570717ae-776b-4631-acce-356e9998a899/bin/ukojak-verify-EEHR8qb7sm/data/25927fcc4/501d370a3ead4c32aeca789b3b766104/FLAGc75308573 [2024-11-13 22:53:46,020 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_570717ae-776b-4631-acce-356e9998a899/bin/ukojak-verify-EEHR8qb7sm/data/25927fcc4/501d370a3ead4c32aeca789b3b766104 [2024-11-13 22:53:46,023 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:53:46,029 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:53:46,030 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:53:46,034 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:53:46,042 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:53:46,043 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:53:46" (1/1) ... [2024-11-13 22:53:46,044 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cf9b0ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:53:46, skipping insertion in model container [2024-11-13 22:53:46,045 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:53:46" (1/1) ... [2024-11-13 22:53:46,061 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:53:46,215 WARN L250 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_570717ae-776b-4631-acce-356e9998a899/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound2.c[537,550] [2024-11-13 22:53:46,242 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:53:46,254 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:53:46,268 WARN L250 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_570717ae-776b-4631-acce-356e9998a899/sv-benchmarks/c/nla-digbench-scaling/hard-u_unwindbound2.c[537,550] [2024-11-13 22:53:46,277 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:53:46,297 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:53:46,297 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:53:46 WrapperNode [2024-11-13 22:53:46,298 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:53:46,300 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:53:46,300 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:53:46,300 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:53:46,313 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:53:46" (1/1) ... [2024-11-13 22:53:46,321 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:53:46" (1/1) ... [2024-11-13 22:53:46,348 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2024-11-13 22:53:46,348 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:53:46,349 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:53:46,349 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:53:46,349 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:53:46,358 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:53:46" (1/1) ... [2024-11-13 22:53:46,359 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:53:46" (1/1) ... [2024-11-13 22:53:46,361 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:53:46" (1/1) ... [2024-11-13 22:53:46,362 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:53:46" (1/1) ... [2024-11-13 22:53:46,366 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:53:46" (1/1) ... [2024-11-13 22:53:46,376 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:53:46" (1/1) ... [2024-11-13 22:53:46,378 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:53:46" (1/1) ... [2024-11-13 22:53:46,382 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:53:46" (1/1) ... [2024-11-13 22:53:46,383 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:53:46,384 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:53:46,388 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:53:46,388 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:53:46,390 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:53:46" (1/1) ... [2024-11-13 22:53:46,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:53:46,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_570717ae-776b-4631-acce-356e9998a899/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:53:46,435 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_570717ae-776b-4631-acce-356e9998a899/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:53:46,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_570717ae-776b-4631-acce-356e9998a899/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:53:46,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:53:46,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:53:46,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:53:46,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:53:46,475 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 22:53:46,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 22:53:46,545 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:53:46,549 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:53:46,769 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 22:53:46,770 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:53:46,825 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:53:46,826 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 22:53:46,826 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:53:46 BoogieIcfgContainer [2024-11-13 22:53:46,826 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:53:46,827 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:53:46,827 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:53:46,839 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:53:46,839 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:53:46" (1/1) ... [2024-11-13 22:53:46,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:53:46,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:53:46,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2024-11-13 22:53:46,905 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2024-11-13 22:53:46,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:53:46,909 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:53:46,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:53:46,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:53:47,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:53:47,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:53:47,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2024-11-13 22:53:47,078 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2024-11-13 22:53:47,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:53:47,078 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:53:47,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:53:47,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:53:47,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:53:47,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:53:47,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 45 transitions. [2024-11-13 22:53:47,443 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 45 transitions. [2024-11-13 22:53:47,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:53:47,445 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:53:47,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:53:47,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:53:47,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:53:47,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:53:47,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 48 transitions. [2024-11-13 22:53:47,798 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 48 transitions. [2024-11-13 22:53:47,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:53:47,798 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:53:47,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:53:47,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:53:48,119 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:53:48,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:53:48,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 33 states and 57 transitions. [2024-11-13 22:53:48,531 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 57 transitions. [2024-11-13 22:53:48,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:53:48,532 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:53:48,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:53:48,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:53:48,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:53:48,595 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 22:53:48,600 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:53:48,805 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 22:53:49,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:53:49,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 38 states and 68 transitions. [2024-11-13 22:53:49,634 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 68 transitions. [2024-11-13 22:53:49,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 22:53:49,636 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:53:49,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:53:49,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:53:49,905 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 22:53:50,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:53:50,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 44 states and 85 transitions. [2024-11-13 22:53:50,858 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 85 transitions. [2024-11-13 22:53:50,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 22:53:50,859 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:53:50,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:53:50,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:53:50,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:53:50,910 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 22:53:50,913 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:53:51,557 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 22:53:53,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:53:53,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 50 states and 102 transitions. [2024-11-13 22:53:53,624 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 102 transitions. [2024-11-13 22:53:53,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:53:53,626 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:53:53,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:53:53,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:53:53,828 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 22:53:54,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:53:54,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 52 states and 103 transitions. [2024-11-13 22:53:54,389 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 103 transitions. [2024-11-13 22:53:54,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 22:53:54,391 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:53:54,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:53:54,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:53:55,254 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 22:54:05,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:54:05,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 57 states and 116 transitions. [2024-11-13 22:54:05,305 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 116 transitions. [2024-11-13 22:54:05,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 22:54:05,307 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:54:05,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:54:05,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:54:05,493 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 22:54:07,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:54:07,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 61 states and 123 transitions. [2024-11-13 22:54:07,125 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 123 transitions. [2024-11-13 22:54:07,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 22:54:07,126 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:54:07,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:54:07,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:54:07,197 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 22:54:08,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:54:08,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 63 states and 125 transitions. [2024-11-13 22:54:08,109 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 125 transitions. [2024-11-13 22:54:08,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 22:54:08,110 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:54:08,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:54:08,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:54:08,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:54:08,243 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:54:08,244 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:54:08,557 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 22:54:12,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:54:12,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 69 states and 142 transitions. [2024-11-13 22:54:12,906 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 142 transitions. [2024-11-13 22:54:12,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 22:54:12,907 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:54:12,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:54:12,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:54:12,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:54:12,951 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 22:54:12,953 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:54:13,035 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 15 proven. 12 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 22:54:14,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:54:14,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 71 states and 144 transitions. [2024-11-13 22:54:14,682 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 144 transitions. [2024-11-13 22:54:14,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 22:54:14,684 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:54:14,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:54:14,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:54:14,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:54:14,744 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 22:54:14,746 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:54:14,846 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 15 proven. 12 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 22:54:16,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:54:16,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 73 states and 149 transitions. [2024-11-13 22:54:16,174 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 149 transitions. [2024-11-13 22:54:16,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 22:54:16,175 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:54:16,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:54:16,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:54:16,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:54:16,291 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:54:16,292 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:54:16,371 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 22:54:17,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:54:17,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 75 states and 150 transitions. [2024-11-13 22:54:17,373 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 150 transitions. [2024-11-13 22:54:17,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-13 22:54:17,374 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:54:17,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:54:17,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:54:17,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:54:17,458 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 22:54:17,460 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:54:17,533 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 22:54:22,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:54:22,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 83 states and 173 transitions. [2024-11-13 22:54:22,349 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 173 transitions. [2024-11-13 22:54:22,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 22:54:22,350 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:54:22,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:54:22,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:54:22,982 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 22:54:28,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:54:28,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 92 states and 195 transitions. [2024-11-13 22:54:28,526 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 195 transitions. [2024-11-13 22:54:28,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 22:54:28,527 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:54:28,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:54:28,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:54:28,850 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 22:54:33,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:54:33,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 97 states and 207 transitions. [2024-11-13 22:54:33,456 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 207 transitions. [2024-11-13 22:54:33,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 22:54:33,457 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:54:33,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:54:33,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:54:34,644 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 22:54:41,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:54:41,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 104 states and 227 transitions. [2024-11-13 22:54:41,215 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 227 transitions. [2024-11-13 22:54:41,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 22:54:41,216 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:54:41,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:54:41,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:54:41,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:54:41,293 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 22:54:41,296 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:55:12,652 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 25 proven. 17 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-13 22:55:20,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:55:20,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 114 states and 254 transitions. [2024-11-13 22:55:20,169 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 254 transitions. [2024-11-13 22:55:20,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 22:55:20,170 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:55:20,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:55:20,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:55:20,358 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 22:55:24,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:55:24,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 119 states and 265 transitions. [2024-11-13 22:55:24,211 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 265 transitions. [2024-11-13 22:55:24,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 22:55:24,212 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:55:24,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:55:24,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:55:24,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:55:24,301 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 22:55:24,303 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:55:24,482 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 25 proven. 17 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-13 22:55:25,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:55:25,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 66 states and 127 transitions. [2024-11-13 22:55:25,682 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 127 transitions. [2024-11-13 22:55:25,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-13 22:55:25,683 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:55:25,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:55:25,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:55:26,809 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-11-13 22:55:28,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:55:28,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 39 states and 58 transitions. [2024-11-13 22:55:28,939 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 58 transitions. [2024-11-13 22:55:28,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-13 22:55:28,940 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:55:28,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:55:28,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:55:28,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:55:28,994 INFO L255 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 22:55:28,996 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:55:29,193 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 25 proven. 19 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-13 22:55:31,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:55:31,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 38 states and 53 transitions. [2024-11-13 22:55:31,695 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2024-11-13 22:55:31,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 22:55:31,695 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:55:31,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:55:31,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:55:31,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:55:31,742 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:55:31,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:55:31,783 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 25 iterations. [2024-11-13 22:55:31,821 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:55:31 ImpRootNode [2024-11-13 22:55:31,822 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:55:31,822 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:55:31,822 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:55:31,823 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:55:31,824 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:53:46" (3/4) ... [2024-11-13 22:55:31,825 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 22:55:31,875 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_570717ae-776b-4631-acce-356e9998a899/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 22:55:31,875 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:55:31,876 INFO L158 Benchmark]: Toolchain (without parser) took 105847.44ms. Allocated memory was 142.6MB in the beginning and 402.7MB in the end (delta: 260.0MB). Free memory was 119.6MB in the beginning and 162.8MB in the end (delta: -43.3MB). Peak memory consumption was 214.4MB. Max. memory is 16.1GB. [2024-11-13 22:55:31,876 INFO L158 Benchmark]: CDTParser took 1.08ms. Allocated memory is still 142.6MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:55:31,877 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.12ms. Allocated memory is still 142.6MB. Free memory was 119.6MB in the beginning and 108.4MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:55:31,877 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.94ms. Allocated memory is still 142.6MB. Free memory was 108.1MB in the beginning and 107.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:55:31,877 INFO L158 Benchmark]: Boogie Preprocessor took 34.33ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 106.2MB in the end (delta: 789.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:55:31,878 INFO L158 Benchmark]: RCFGBuilder took 442.29ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 92.3MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:55:31,878 INFO L158 Benchmark]: CodeCheck took 104994.42ms. Allocated memory was 142.6MB in the beginning and 402.7MB in the end (delta: 260.0MB). Free memory was 92.1MB in the beginning and 162.9MB in the end (delta: -70.9MB). Peak memory consumption was 189.2MB. Max. memory is 16.1GB. [2024-11-13 22:55:31,879 INFO L158 Benchmark]: Witness Printer took 52.99ms. Allocated memory is still 402.7MB. Free memory was 162.9MB in the beginning and 162.8MB in the end (delta: 75.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:55:31,881 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 22 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 104.9s, OverallIterations: 25, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2144 SdHoareTripleChecker+Valid, 26.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 993 mSDsluCounter, 2173 SdHoareTripleChecker+Invalid, 24.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 921 mSDsCounter, 2264 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7774 IncrementalHoareTripleChecker+Invalid, 10038 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2264 mSolverCounterUnsat, 1252 mSDtfsCounter, 7774 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7606 GetRequests, 7094 SyntacticMatches, 120 SemanticMatches, 392 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78179 ImplicationChecksByTransitivity, 97.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 38.8s InterpolantComputationTime, 779 NumberOfCodeBlocks, 779 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 707 ConstructedInterpolants, 0 QuantifiedInterpolants, 2464 SizeOfPredicates, 18 NumberOfNonLiveVariables, 1003 ConjunctsInSsa, 166 ConjunctsInUnsatCore, 24 InterpolantComputations, 10 PerfectInterpolantSequences, 903/1015 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 17]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L22] int counter = 0; [L24] unsigned int A, B; [L25] unsigned int r, d, p, q; [L26] A = __VERIFIER_nondet_uint() [L27] B = __VERIFIER_nondet_uint() [L28] CALL assume_abort_if_not(B >= 1) [L12] COND FALSE !(!cond) [L28] RET assume_abort_if_not(B >= 1) [L30] r = A [L31] d = B [L32] p = 1 [L33] q = 0 VAL [A=1, B=-4294967295, counter=0, d=-4294967295, p=1, q=0, r=1] [L35] EXPR counter++ VAL [A=1, B=-4294967295, counter=1, d=-4294967295, p=1, q=0, r=1] [L35] COND TRUE counter++<2 [L36] CALL __VERIFIER_assert(q == 0) VAL [\old(cond)=1, counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=1] [L36] RET __VERIFIER_assert(q == 0) VAL [A=1, B=-4294967295, counter=1, d=-4294967295, p=1, q=0, r=1] [L37] CALL __VERIFIER_assert(r == A) VAL [\old(cond)=1, counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=1] [L37] RET __VERIFIER_assert(r == A) VAL [A=1, B=-4294967295, counter=1, d=-4294967295, p=1, q=0, r=1] [L38] CALL __VERIFIER_assert(d == B * p) VAL [\old(cond)=1, counter=1] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=1] [L38] RET __VERIFIER_assert(d == B * p) VAL [A=1, B=-4294967295, counter=1, d=-4294967295, p=1, q=0, r=1] [L39] COND FALSE !(!(r >= d)) [L41] d = 2 * d [L42] p = 2 * p VAL [A=1, B=-4294967295, counter=1, d=-8589934590, p=2, q=0, r=1] [L35] EXPR counter++ VAL [A=1, B=-4294967295, counter=2, d=-8589934590, p=2, q=0, r=1] [L35] COND TRUE counter++<2 [L36] CALL __VERIFIER_assert(q == 0) VAL [\old(cond)=1, counter=2] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=2] [L36] RET __VERIFIER_assert(q == 0) VAL [A=1, B=-4294967295, counter=2, d=-8589934590, p=2, q=0, r=1] [L37] CALL __VERIFIER_assert(r == A) VAL [\old(cond)=1, counter=2] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=2] [L37] RET __VERIFIER_assert(r == A) VAL [A=1, B=-4294967295, counter=2, d=-8589934590, p=2, q=0, r=1] [L38] CALL __VERIFIER_assert(d == B * p) VAL [\old(cond)=1, counter=2] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=2] [L38] RET __VERIFIER_assert(d == B * p) VAL [A=1, B=-4294967295, counter=2, d=-8589934590, p=2, q=0, r=1] [L39] COND TRUE !(r >= d) VAL [A=1, B=-4294967295, counter=2, d=-8589934590, p=2, q=0, r=1] [L45] EXPR counter++ VAL [A=1, B=-4294967295, counter=3, d=-8589934590, p=2, q=0, r=1] [L45] COND FALSE !(counter++<2) [L59] CALL __VERIFIER_assert(A == d*q + r) VAL [\old(cond)=1, counter=3] [L15] COND FALSE !(!(cond)) VAL [\old(cond)=1, counter=3] [L59] RET __VERIFIER_assert(A == d*q + r) VAL [A=1, B=-4294967295, counter=3, d=-8589934590, p=2, q=0, r=1] [L60] CALL __VERIFIER_assert(B == d) VAL [\old(cond)=0, counter=3] [L15] COND TRUE !(cond) VAL [\old(cond)=0, counter=3] [L17] reach_error() VAL [\old(cond)=0, counter=3] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.08ms. Allocated memory is still 142.6MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 268.12ms. Allocated memory is still 142.6MB. Free memory was 119.6MB in the beginning and 108.4MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.94ms. Allocated memory is still 142.6MB. Free memory was 108.1MB in the beginning and 107.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 34.33ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 106.2MB in the end (delta: 789.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 442.29ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 92.3MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 104994.42ms. Allocated memory was 142.6MB in the beginning and 402.7MB in the end (delta: 260.0MB). Free memory was 92.1MB in the beginning and 162.9MB in the end (delta: -70.9MB). Peak memory consumption was 189.2MB. Max. memory is 16.1GB. * Witness Printer took 52.99ms. Allocated memory is still 402.7MB. Free memory was 162.9MB in the beginning and 162.8MB in the end (delta: 75.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 22:55:32,093 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_570717ae-776b-4631-acce-356e9998a899/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2024-11-13 22:55:32,102 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_570717ae-776b-4631-acce-356e9998a899/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE