./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-simple/nested_2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557feaf2-7130-476f-a9eb-aaf5d9d870be/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557feaf2-7130-476f-a9eb-aaf5d9d870be/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557feaf2-7130-476f-a9eb-aaf5d9d870be/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557feaf2-7130-476f-a9eb-aaf5d9d870be/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-simple/nested_2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557feaf2-7130-476f-a9eb-aaf5d9d870be/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557feaf2-7130-476f-a9eb-aaf5d9d870be/bin/ukojak-verify-CZk0znPC7b --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 d28004f57c6988e792d07d7254dfd532aeffd19f38063d85c3bfa2c0f504914f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:34:27,166 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:34:27,219 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557feaf2-7130-476f-a9eb-aaf5d9d870be/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 22:34:27,224 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:34:27,224 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:34:27,243 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:34:27,244 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:34:27,244 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:34:27,245 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:34:27,245 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:34:27,245 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:34:27,245 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:34:27,245 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:34:27,245 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:34:27,245 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:34:27,245 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:34:27,245 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:34:27,246 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:34:27,246 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:34:27,246 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:34:27,246 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:34:27,246 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:34:27,246 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:34:27,246 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:34:27,246 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:34:27,246 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:34:27,246 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:34:27,246 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:34:27,247 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:34:27,247 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:34:27,247 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:34:27,247 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:34:27,247 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:34:27,247 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_557feaf2-7130-476f-a9eb-aaf5d9d870be/bin/ukojak-verify-CZk0znPC7b 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 -> d28004f57c6988e792d07d7254dfd532aeffd19f38063d85c3bfa2c0f504914f [2024-12-05 22:34:27,461 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:34:27,470 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:34:27,472 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:34:27,473 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:34:27,474 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:34:27,475 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557feaf2-7130-476f-a9eb-aaf5d9d870be/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/loop-simple/nested_2.c [2024-12-05 22:34:30,114 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557feaf2-7130-476f-a9eb-aaf5d9d870be/bin/ukojak-verify-CZk0znPC7b/data/57eb0f127/c9f6c8687b2546c8ae532bf321756f58/FLAG731cb5577 [2024-12-05 22:34:30,292 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:34:30,292 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557feaf2-7130-476f-a9eb-aaf5d9d870be/sv-benchmarks/c/loop-simple/nested_2.c [2024-12-05 22:34:30,297 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557feaf2-7130-476f-a9eb-aaf5d9d870be/bin/ukojak-verify-CZk0znPC7b/data/57eb0f127/c9f6c8687b2546c8ae532bf321756f58/FLAG731cb5577 [2024-12-05 22:34:30,696 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557feaf2-7130-476f-a9eb-aaf5d9d870be/bin/ukojak-verify-CZk0znPC7b/data/57eb0f127/c9f6c8687b2546c8ae532bf321756f58 [2024-12-05 22:34:30,698 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:34:30,700 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:34:30,700 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:34:30,701 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:34:30,703 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:34:30,704 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:34:30" (1/1) ... [2024-12-05 22:34:30,705 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c5408b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:30, skipping insertion in model container [2024-12-05 22:34:30,705 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:34:30" (1/1) ... [2024-12-05 22:34:30,714 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:34:30,817 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_557feaf2-7130-476f-a9eb-aaf5d9d870be/sv-benchmarks/c/loop-simple/nested_2.c[730,743] [2024-12-05 22:34:30,820 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:34:30,827 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:34:30,838 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_557feaf2-7130-476f-a9eb-aaf5d9d870be/sv-benchmarks/c/loop-simple/nested_2.c[730,743] [2024-12-05 22:34:30,839 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:34:30,851 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:34:30,851 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:30 WrapperNode [2024-12-05 22:34:30,851 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:34:30,852 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:34:30,852 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:34:30,852 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:34:30,857 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:30" (1/1) ... [2024-12-05 22:34:30,860 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:30" (1/1) ... [2024-12-05 22:34:30,870 INFO L138 Inliner]: procedures = 10, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2024-12-05 22:34:30,870 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:34:30,870 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:34:30,871 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:34:30,871 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:34:30,875 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:30" (1/1) ... [2024-12-05 22:34:30,875 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:30" (1/1) ... [2024-12-05 22:34:30,876 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:30" (1/1) ... [2024-12-05 22:34:30,876 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:30" (1/1) ... [2024-12-05 22:34:30,878 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:30" (1/1) ... [2024-12-05 22:34:30,878 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:30" (1/1) ... [2024-12-05 22:34:30,880 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:30" (1/1) ... [2024-12-05 22:34:30,881 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:30" (1/1) ... [2024-12-05 22:34:30,881 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:30" (1/1) ... [2024-12-05 22:34:30,882 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:34:30,883 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:34:30,883 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:34:30,883 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:34:30,884 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:34:30" (1/1) ... [2024-12-05 22:34:30,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:34:30,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557feaf2-7130-476f-a9eb-aaf5d9d870be/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:34:30,908 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557feaf2-7130-476f-a9eb-aaf5d9d870be/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:34:30,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557feaf2-7130-476f-a9eb-aaf5d9d870be/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:34:30,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:34:30,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:34:30,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:34:30,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 22:34:30,984 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:34:30,985 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:34:31,053 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-12-05 22:34:31,054 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:34:31,079 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:34:31,079 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 22:34:31,079 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:34:31 BoogieIcfgContainer [2024-12-05 22:34:31,080 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:34:31,080 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:34:31,080 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:34:31,088 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:34:31,088 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:34:31" (1/1) ... [2024-12-05 22:34:31,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:34:31,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:31,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-05 22:34:31,136 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-05 22:34:31,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 22:34:31,138 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:31,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:34:31,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:31,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:34:31,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:31,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-12-05 22:34:31,292 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-12-05 22:34:31,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 22:34:31,293 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:31,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:34:31,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:31,342 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:34:31,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:31,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2024-12-05 22:34:31,379 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2024-12-05 22:34:31,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:34:31,381 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:31,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:34:31,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:31,432 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:34:31,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:31,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2024-12-05 22:34:31,495 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2024-12-05 22:34:31,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 22:34:31,495 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:31,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:34:31,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:31,554 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-05 22:34:31,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:31,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 15 states and 23 transitions. [2024-12-05 22:34:31,825 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 23 transitions. [2024-12-05 22:34:31,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 22:34:31,825 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:31,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:34:31,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:31,891 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 22:34:31,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:31,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2024-12-05 22:34:31,994 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2024-12-05 22:34:31,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 22:34:31,995 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:31,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:34:32,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:32,061 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 22:34:32,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:32,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 17 states and 25 transitions. [2024-12-05 22:34:32,158 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 25 transitions. [2024-12-05 22:34:32,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 22:34:32,158 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:32,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:34:32,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:32,229 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 22:34:32,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:32,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 18 states and 26 transitions. [2024-12-05 22:34:32,342 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 26 transitions. [2024-12-05 22:34:32,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 22:34:32,342 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:32,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:34:32,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:32,414 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 20 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 22:34:32,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:32,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-12-05 22:34:32,547 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-12-05 22:34:32,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-05 22:34:32,548 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:32,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:34:32,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:32,606 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-05 22:34:32,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:32,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2024-12-05 22:34:32,953 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2024-12-05 22:34:32,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-05 22:34:32,953 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:32,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:34:32,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:32,991 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 55 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:34:33,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:33,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2024-12-05 22:34:33,089 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2024-12-05 22:34:33,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-05 22:34:33,089 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:33,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:34:33,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:33,128 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 65 proven. 6 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:34:33,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:33,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2024-12-05 22:34:33,256 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2024-12-05 22:34:33,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-05 22:34:33,257 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:33,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:34:33,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:33,299 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 75 proven. 10 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:34:33,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:33,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2024-12-05 22:34:33,428 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2024-12-05 22:34:33,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-05 22:34:33,428 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:33,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:34:33,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:33,490 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 85 proven. 15 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:34:33,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:33,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 27 states and 36 transitions. [2024-12-05 22:34:33,641 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2024-12-05 22:34:33,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-05 22:34:33,641 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:33,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:34:33,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:33,724 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 97 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-12-05 22:34:34,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:34,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 31 states and 43 transitions. [2024-12-05 22:34:34,142 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 43 transitions. [2024-12-05 22:34:34,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-05 22:34:34,142 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:34,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:34:34,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:34,181 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 99 proven. 3 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-12-05 22:34:34,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:34,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 32 states and 44 transitions. [2024-12-05 22:34:34,310 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 44 transitions. [2024-12-05 22:34:34,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-05 22:34:34,311 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:34,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:34:34,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:34,367 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 116 proven. 6 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-12-05 22:34:34,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:34,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 33 states and 45 transitions. [2024-12-05 22:34:34,510 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 45 transitions. [2024-12-05 22:34:34,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-05 22:34:34,511 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:34,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:34:34,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:34,557 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 133 proven. 10 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-12-05 22:34:34,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:34,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 34 states and 46 transitions. [2024-12-05 22:34:34,689 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 46 transitions. [2024-12-05 22:34:34,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-05 22:34:34,690 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:34,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:34:34,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:34,743 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 150 proven. 15 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2024-12-05 22:34:34,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:34,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 35 states and 46 transitions. [2024-12-05 22:34:34,889 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2024-12-05 22:34:34,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-05 22:34:34,889 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:34,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:34:34,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:34,983 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-12-05 22:34:35,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:35,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 39 states and 53 transitions. [2024-12-05 22:34:35,444 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 53 transitions. [2024-12-05 22:34:35,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-05 22:34:35,445 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:35,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:34:35,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:35,487 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 143 proven. 3 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-05 22:34:35,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:35,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 40 states and 54 transitions. [2024-12-05 22:34:35,624 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 54 transitions. [2024-12-05 22:34:35,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-05 22:34:35,625 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:35,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:34:35,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:35,666 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 167 proven. 6 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-05 22:34:35,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:35,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 41 states and 55 transitions. [2024-12-05 22:34:35,800 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 55 transitions. [2024-12-05 22:34:35,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-12-05 22:34:35,800 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:35,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:34:35,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:35,843 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 191 proven. 10 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-05 22:34:35,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:35,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 42 states and 56 transitions. [2024-12-05 22:34:35,994 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2024-12-05 22:34:35,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-05 22:34:35,994 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:35,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:34:36,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:36,042 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 215 proven. 15 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-05 22:34:36,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:36,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 43 states and 56 transitions. [2024-12-05 22:34:36,207 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 56 transitions. [2024-12-05 22:34:36,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-05 22:34:36,208 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:36,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:34:36,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:36,320 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 393 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2024-12-05 22:34:36,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:36,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 47 states and 62 transitions. [2024-12-05 22:34:36,809 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2024-12-05 22:34:36,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-12-05 22:34:36,809 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:36,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:34:36,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:36,848 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 187 proven. 3 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-12-05 22:34:37,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:37,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 48 states and 63 transitions. [2024-12-05 22:34:37,001 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2024-12-05 22:34:37,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-12-05 22:34:37,001 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:37,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:34:37,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:37,042 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 218 proven. 6 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-12-05 22:34:37,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:37,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 49 states and 64 transitions. [2024-12-05 22:34:37,214 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 64 transitions. [2024-12-05 22:34:37,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-05 22:34:37,214 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:37,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:34:37,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:37,277 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 249 proven. 10 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-12-05 22:34:37,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:37,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 50 states and 65 transitions. [2024-12-05 22:34:37,439 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 65 transitions. [2024-12-05 22:34:37,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-05 22:34:37,443 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:37,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:34:37,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:37,486 INFO L134 CoverageAnalysis]: Checked inductivity of 687 backedges. 280 proven. 15 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-12-05 22:34:37,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:37,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 51 states and 65 transitions. [2024-12-05 22:34:37,671 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions. [2024-12-05 22:34:37,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-12-05 22:34:37,671 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:37,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:34:37,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:37,699 INFO L134 CoverageAnalysis]: Checked inductivity of 724 backedges. 111 proven. 3 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2024-12-05 22:34:37,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:37,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 52 states and 66 transitions. [2024-12-05 22:34:37,859 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 66 transitions. [2024-12-05 22:34:37,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-05 22:34:37,859 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:37,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:34:37,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:37,901 INFO L134 CoverageAnalysis]: Checked inductivity of 762 backedges. 146 proven. 6 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2024-12-05 22:34:38,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:38,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 53 states and 67 transitions. [2024-12-05 22:34:38,076 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2024-12-05 22:34:38,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-12-05 22:34:38,076 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:38,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:34:38,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:38,125 INFO L134 CoverageAnalysis]: Checked inductivity of 801 backedges. 181 proven. 10 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2024-12-05 22:34:38,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:38,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 54 states and 68 transitions. [2024-12-05 22:34:38,298 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 68 transitions. [2024-12-05 22:34:38,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:34:38,298 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:38,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:34:38,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:38,333 INFO L134 CoverageAnalysis]: Checked inductivity of 841 backedges. 216 proven. 15 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2024-12-05 22:34:38,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:38,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 55 states and 68 transitions. [2024-12-05 22:34:38,513 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 68 transitions. [2024-12-05 22:34:38,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-12-05 22:34:38,513 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:34:38,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:34:38,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:34:39,218 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 0 proven. 777 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-12-05 22:34:41,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:34:41,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 53 states and 66 transitions. [2024-12-05 22:34:41,131 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 66 transitions. [2024-12-05 22:34:41,132 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-05 22:34:41,132 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 34 iterations. [2024-12-05 22:34:41,148 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-05 22:34:41,450 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-05 22:34:41,451 INFO L77 FloydHoareUtils]: At program point L25-1(lines 25 27) the Hoare annotation is: true [2024-12-05 22:34:41,451 INFO L77 FloydHoareUtils]: At program point L21-3(lines 21 23) the Hoare annotation is: (or (<= |ULTIMATE.start_main_~a~0#1| 4) (and (<= |ULTIMATE.start_main_~a~0#1| 5) (<= |ULTIMATE.start_main_~b~0#1| 6))) [2024-12-05 22:34:41,451 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-05 22:34:41,451 INFO L75 FloydHoareUtils]: For program point L26(line 26) no Hoare annotation was computed. [2024-12-05 22:34:41,451 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 26) no Hoare annotation was computed. [2024-12-05 22:34:41,451 INFO L77 FloydHoareUtils]: At program point L20-3(lines 20 24) the Hoare annotation is: (not (and (not (and (<= |ULTIMATE.start_main_~a~0#1| 6) (= 6 |ULTIMATE.start_main_~b~0#1|))) (< 5 |ULTIMATE.start_main_~a~0#1|))) [2024-12-05 22:34:41,452 INFO L77 FloydHoareUtils]: At program point L20-4(lines 15 29) the Hoare annotation is: (and (= 6 |ULTIMATE.start_main_~a~0#1|) (= 6 |ULTIMATE.start_main_~b~0#1|)) [2024-12-05 22:34:41,463 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 10:34:41 ImpRootNode [2024-12-05 22:34:41,463 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 22:34:41,464 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 22:34:41,464 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 22:34:41,464 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 22:34:41,464 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:34:31" (3/4) ... [2024-12-05 22:34:41,466 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-05 22:34:41,471 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-12-05 22:34:41,471 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-05 22:34:41,471 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-05 22:34:41,472 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-05 22:34:41,538 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557feaf2-7130-476f-a9eb-aaf5d9d870be/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 22:34:41,538 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557feaf2-7130-476f-a9eb-aaf5d9d870be/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 22:34:41,538 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 22:34:41,539 INFO L158 Benchmark]: Toolchain (without parser) took 10839.64ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 93.4MB in the beginning and 154.1MB in the end (delta: -60.8MB). Peak memory consumption was 36.3MB. Max. memory is 16.1GB. [2024-12-05 22:34:41,539 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory was 72.4MB in the beginning and 72.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:34:41,540 INFO L158 Benchmark]: CACSL2BoogieTranslator took 151.21ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 82.5MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:34:41,540 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.07ms. Allocated memory is still 117.4MB. Free memory was 82.5MB in the beginning and 81.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:34:41,540 INFO L158 Benchmark]: Boogie Preprocessor took 11.82ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 80.9MB in the end (delta: 602.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:34:41,540 INFO L158 Benchmark]: RCFGBuilder took 196.78ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 71.1MB in the end (delta: 9.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 22:34:41,541 INFO L158 Benchmark]: CodeCheck took 10382.82ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 70.9MB in the beginning and 158.9MB in the end (delta: -88.0MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2024-12-05 22:34:41,541 INFO L158 Benchmark]: Witness Printer took 74.93ms. Allocated memory is still 218.1MB. Free memory was 158.9MB in the beginning and 154.1MB in the end (delta: 4.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:34:41,543 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 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.0s, OverallIterations: 34, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 560 SdHoareTripleChecker+Valid, 8.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 203 mSDsluCounter, 99 SdHoareTripleChecker+Invalid, 7.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3479 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4834 IncrementalHoareTripleChecker+Invalid, 8313 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3479 mSolverCounterUnsat, 99 mSDtfsCounter, 4834 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6913 GetRequests, 6527 SyntacticMatches, 146 SemanticMatches, 240 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26575 ImplicationChecksByTransitivity, 7.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 977 NumberOfCodeBlocks, 977 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 944 ConstructedInterpolants, 0 QuantifiedInterpolants, 1514 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 33 InterpolantComputations, 2 PerfectInterpolantSequences, 8876/10593 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, ConComCheckerStatistics: No data available - PositiveResult [Line: 26]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: ((a <= 4) || ((a <= 5) && (b <= 6))) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: !(!((a <= 6) && (6 == b)) && (5 < a)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory was 72.4MB in the beginning and 72.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 151.21ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 82.5MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 18.07ms. Allocated memory is still 117.4MB. Free memory was 82.5MB in the beginning and 81.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 11.82ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 80.9MB in the end (delta: 602.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 196.78ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 71.1MB in the end (delta: 9.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 10382.82ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 70.9MB in the beginning and 158.9MB in the end (delta: -88.0MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. * Witness Printer took 74.93ms. Allocated memory is still 218.1MB. Free memory was 158.9MB in the beginning and 154.1MB in the end (delta: 4.8MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-05 22:34:41,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_557feaf2-7130-476f-a9eb-aaf5d9d870be/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE