./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-ext3/derefAfterFree2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d3f4f6-1a41-4961-a739-07424028ec93/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d3f4f6-1a41-4961-a739-07424028ec93/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_78d3f4f6-1a41-4961-a739-07424028ec93/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d3f4f6-1a41-4961-a739-07424028ec93/bin/ukojak-verify-EEHR8qb7sm/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext3/derefAfterFree2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d3f4f6-1a41-4961-a739-07424028ec93/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d3f4f6-1a41-4961-a739-07424028ec93/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6c5050f69dd0fe75249366946a38ba884fb5943ccf611397d2d01e0ccda347b5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:48:58,329 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:48:58,422 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d3f4f6-1a41-4961-a739-07424028ec93/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-13 22:48:58,427 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:48:58,427 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:48:58,449 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:48:58,450 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:48:58,450 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:48:58,451 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:48:58,451 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:48:58,451 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:48:58,451 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:48:58,451 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:48:58,451 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 22:48:58,451 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 22:48:58,451 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-13 22:48:58,451 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:48:58,452 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:48:58,452 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:48:58,452 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:48:58,452 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:48:58,452 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:48:58,452 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:48:58,452 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:48:58,452 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:48:58,452 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:48:58,453 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:48:58,453 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:48:58,453 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:48:58,453 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:48:58,453 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_78d3f4f6-1a41-4961-a739-07424028ec93/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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> 6c5050f69dd0fe75249366946a38ba884fb5943ccf611397d2d01e0ccda347b5 [2024-11-13 22:48:58,783 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:48:58,791 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:48:58,793 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:48:58,795 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:48:58,795 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:48:58,797 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d3f4f6-1a41-4961-a739-07424028ec93/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/memsafety-ext3/derefAfterFree2.c Unable to find full path for "g++" [2024-11-13 22:49:00,771 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:49:01,053 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:49:01,057 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d3f4f6-1a41-4961-a739-07424028ec93/sv-benchmarks/c/memsafety-ext3/derefAfterFree2.c [2024-11-13 22:49:01,065 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d3f4f6-1a41-4961-a739-07424028ec93/bin/ukojak-verify-EEHR8qb7sm/data/a8f6d3008/5d7ac4b182ac4b9aac4a8bd23207451c/FLAGa21d3b89c [2024-11-13 22:49:01,089 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d3f4f6-1a41-4961-a739-07424028ec93/bin/ukojak-verify-EEHR8qb7sm/data/a8f6d3008/5d7ac4b182ac4b9aac4a8bd23207451c [2024-11-13 22:49:01,092 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:49:01,094 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:49:01,097 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:49:01,097 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:49:01,103 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:49:01,105 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:49:01" (1/1) ... [2024-11-13 22:49:01,109 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13162486 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:01, skipping insertion in model container [2024-11-13 22:49:01,109 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:49:01" (1/1) ... [2024-11-13 22:49:01,128 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:49:01,297 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:49:01,308 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:49:01,321 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:49:01,337 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:49:01,338 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:01 WrapperNode [2024-11-13 22:49:01,338 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:49:01,339 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:49:01,339 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:49:01,339 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:49:01,346 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:01" (1/1) ... [2024-11-13 22:49:01,354 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:01" (1/1) ... [2024-11-13 22:49:01,371 INFO L138 Inliner]: procedures = 9, calls = 5, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2024-11-13 22:49:01,372 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:49:01,372 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:49:01,372 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:49:01,372 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:49:01,380 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:01" (1/1) ... [2024-11-13 22:49:01,382 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:01" (1/1) ... [2024-11-13 22:49:01,387 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:01" (1/1) ... [2024-11-13 22:49:01,388 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:01" (1/1) ... [2024-11-13 22:49:01,391 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:01" (1/1) ... [2024-11-13 22:49:01,398 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:01" (1/1) ... [2024-11-13 22:49:01,399 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:01" (1/1) ... [2024-11-13 22:49:01,399 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:01" (1/1) ... [2024-11-13 22:49:01,403 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:49:01,404 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:49:01,404 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:49:01,404 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:49:01,406 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:49:01" (1/1) ... [2024-11-13 22:49:01,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:49:01,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d3f4f6-1a41-4961-a739-07424028ec93/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:49:01,450 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d3f4f6-1a41-4961-a739-07424028ec93/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:49:01,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d3f4f6-1a41-4961-a739-07424028ec93/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:49:01,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 22:49:01,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 22:49:01,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:49:01,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:49:01,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:49:01,553 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:49:01,555 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:49:01,683 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-13 22:49:01,683 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:49:01,718 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:49:01,718 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:49:01,719 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:49:01 BoogieIcfgContainer [2024-11-13 22:49:01,719 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:49:01,719 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:49:01,720 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:49:01,731 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:49:01,731 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:49:01" (1/1) ... [2024-11-13 22:49:01,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:49:01,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:49:01,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2024-11-13 22:49:01,812 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2024-11-13 22:49:01,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 22:49:01,815 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:49:01,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:49:01,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:49:02,027 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 22:49:02,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:49:02,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2024-11-13 22:49:02,082 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2024-11-13 22:49:02,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 22:49:02,082 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:49:02,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:49:02,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:49:02,176 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 22:49:02,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:49:02,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2024-11-13 22:49:02,288 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-11-13 22:49:02,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 22:49:02,288 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:49:02,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:49:02,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:49:02,459 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 22:49:02,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:49:02,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2024-11-13 22:49:02,716 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2024-11-13 22:49:02,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 22:49:02,718 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:49:02,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:49:02,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:49:02,794 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 22:49:02,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:49:02,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 28 transitions. [2024-11-13 22:49:02,821 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2024-11-13 22:49:02,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:49:02,822 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:49:02,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:49:02,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:49:02,921 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:49:03,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:49:03,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-11-13 22:49:03,029 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-11-13 22:49:03,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:49:03,029 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:49:03,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:49:03,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:49:03,072 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 22:49:03,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:49:03,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 26 states and 35 transitions. [2024-11-13 22:49:03,210 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2024-11-13 22:49:03,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:49:03,210 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:49:03,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:49:03,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:49:03,461 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:49:03,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:49:03,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 30 states and 40 transitions. [2024-11-13 22:49:03,919 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2024-11-13 22:49:03,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:49:03,919 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:49:03,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:49:03,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:49:03,984 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 22:49:04,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:49:04,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 32 states and 43 transitions. [2024-11-13 22:49:04,152 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 43 transitions. [2024-11-13 22:49:04,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 22:49:04,153 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:49:04,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:49:04,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:49:04,227 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 22:49:05,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:49:05,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 41 states and 55 transitions. [2024-11-13 22:49:05,012 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 55 transitions. [2024-11-13 22:49:05,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 22:49:05,013 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:49:05,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:49:05,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:49:05,056 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 22:49:05,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:49:05,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 40 states and 54 transitions. [2024-11-13 22:49:05,455 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 54 transitions. [2024-11-13 22:49:05,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 22:49:05,455 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:49:05,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:49:05,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:49:05,477 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 22:49:05,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:49:05,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 41 states and 57 transitions. [2024-11-13 22:49:05,626 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 57 transitions. [2024-11-13 22:49:05,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 22:49:05,626 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:49:05,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:49:05,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:49:05,724 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:49:06,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:49:06,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 45 states and 68 transitions. [2024-11-13 22:49:06,176 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 68 transitions. [2024-11-13 22:49:06,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 22:49:06,176 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:49:06,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:49:06,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:49:06,368 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:49:06,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:49:06,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 48 states and 73 transitions. [2024-11-13 22:49:06,833 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 73 transitions. [2024-11-13 22:49:06,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 22:49:06,834 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:49:06,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:49:06,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:49:06,872 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 22:49:07,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:49:07,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 49 states and 73 transitions. [2024-11-13 22:49:07,059 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 73 transitions. [2024-11-13 22:49:07,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:49:07,060 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:49:07,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:49:07,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:49:07,087 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-13 22:49:07,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:49:07,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 51 states and 74 transitions. [2024-11-13 22:49:07,307 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 74 transitions. [2024-11-13 22:49:07,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:49:07,308 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:49:07,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:49:07,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:49:07,387 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:49:08,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:49:08,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 55 states and 85 transitions. [2024-11-13 22:49:08,004 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 85 transitions. [2024-11-13 22:49:08,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:49:08,006 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:49:08,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:49:08,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:49:08,051 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 22:49:08,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:49:08,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 56 states and 85 transitions. [2024-11-13 22:49:08,215 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 85 transitions. [2024-11-13 22:49:08,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 22:49:08,215 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:49:08,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:49:08,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:49:08,571 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:49:09,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:49:09,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 60 states and 93 transitions. [2024-11-13 22:49:09,955 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 93 transitions. [2024-11-13 22:49:09,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 22:49:09,956 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:49:09,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:49:09,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:49:09,982 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-13 22:49:10,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:49:10,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 62 states and 95 transitions. [2024-11-13 22:49:10,364 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 95 transitions. [2024-11-13 22:49:10,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 22:49:10,364 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:49:10,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:49:10,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:49:10,388 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-13 22:49:10,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:49:10,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 63 states and 96 transitions. [2024-11-13 22:49:10,677 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 96 transitions. [2024-11-13 22:49:10,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 22:49:10,678 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:49:10,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:49:10,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:49:10,784 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:49:11,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:49:11,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 67 states and 110 transitions. [2024-11-13 22:49:11,443 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 110 transitions. [2024-11-13 22:49:11,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 22:49:11,444 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:49:11,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:49:11,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:49:11,468 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 22:49:11,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:49:11,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 68 states and 110 transitions. [2024-11-13 22:49:11,701 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 110 transitions. [2024-11-13 22:49:11,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 22:49:11,702 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:49:11,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:49:11,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:49:12,111 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:49:13,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:49:13,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 74 states and 115 transitions. [2024-11-13 22:49:13,364 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 115 transitions. [2024-11-13 22:49:13,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 22:49:13,365 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:49:13,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:49:13,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:49:13,408 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-13 22:49:13,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:49:13,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 76 states and 116 transitions. [2024-11-13 22:49:13,762 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 116 transitions. [2024-11-13 22:49:13,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 22:49:13,764 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:49:13,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:49:13,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:49:13,914 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:49:14,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:49:14,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 80 states and 130 transitions. [2024-11-13 22:49:14,561 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 130 transitions. [2024-11-13 22:49:14,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 22:49:14,561 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:49:14,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:49:14,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:49:14,589 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 22:49:14,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:49:14,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 81 states and 130 transitions. [2024-11-13 22:49:14,783 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 130 transitions. [2024-11-13 22:49:14,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 22:49:14,783 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:49:14,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:49:14,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:49:15,127 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 32 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:49:15,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:49:15,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 84 states and 133 transitions. [2024-11-13 22:49:15,746 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 133 transitions. [2024-11-13 22:49:15,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 22:49:15,746 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:49:15,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:49:15,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:49:15,779 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-13 22:49:16,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:49:16,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 86 states and 134 transitions. [2024-11-13 22:49:16,114 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 134 transitions. [2024-11-13 22:49:16,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 22:49:16,114 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:49:16,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:49:16,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:49:16,272 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:49:16,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:49:16,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 89 states and 144 transitions. [2024-11-13 22:49:16,990 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 144 transitions. [2024-11-13 22:49:16,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 22:49:16,991 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:49:16,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:49:17,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:49:17,014 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:49:17,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:49:17,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:49:17,103 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:49:17,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:49:17,140 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 30 iterations. [2024-11-13 22:49:17,171 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:49:17 ImpRootNode [2024-11-13 22:49:17,171 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:49:17,172 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:49:17,172 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:49:17,172 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:49:17,173 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:49:01" (3/4) ... [2024-11-13 22:49:17,174 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 22:49:17,226 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d3f4f6-1a41-4961-a739-07424028ec93/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 22:49:17,226 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:49:17,231 INFO L158 Benchmark]: Toolchain (without parser) took 16133.57ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 92.7MB in the beginning and 107.6MB in the end (delta: -14.9MB). Peak memory consumption was 44.8MB. Max. memory is 16.1GB. [2024-11-13 22:49:17,232 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:49:17,232 INFO L158 Benchmark]: CACSL2BoogieTranslator took 241.75ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 82.3MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:49:17,232 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.51ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 81.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:49:17,233 INFO L158 Benchmark]: Boogie Preprocessor took 31.19ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 80.6MB in the end (delta: 626.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:49:17,233 INFO L158 Benchmark]: RCFGBuilder took 314.87ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 70.4MB in the end (delta: 10.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:49:17,233 INFO L158 Benchmark]: CodeCheck took 15451.76ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 70.4MB in the beginning and 110.5MB in the end (delta: -40.1MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2024-11-13 22:49:17,234 INFO L158 Benchmark]: Witness Printer took 54.73ms. Allocated memory is still 176.2MB. Free memory was 109.0MB in the beginning and 107.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:49:17,239 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, 16 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 15.4s, OverallIterations: 30, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2449 SdHoareTripleChecker+Valid, 14.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2208 mSDsluCounter, 131 SdHoareTripleChecker+Invalid, 11.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 50 mSDsCounter, 1417 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7502 IncrementalHoareTripleChecker+Invalid, 8919 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1417 mSolverCounterUnsat, 81 mSDtfsCounter, 7502 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3230 GetRequests, 2793 SyntacticMatches, 189 SemanticMatches, 248 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33683 ImplicationChecksByTransitivity, 11.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 435 NumberOfCodeBlocks, 435 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 376 ConstructedInterpolants, 0 QuantifiedInterpolants, 1940 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 29 InterpolantComputations, 18 PerfectInterpolantSequences, 322/541 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: -1]: pointer dereference may fail pointer dereference may fail We found a FailurePath: [L6] int* p = malloc(10 * sizeof(int)); [L8] int i = 0; VAL [i=0, p={19787:0}] [L8] COND TRUE i < 10 VAL [i=0, p={19787:0}] [L9] p[i] = 1 VAL [i=0, p={19787:0}] [L10] COND FALSE !(i == 5) VAL [i=0, p={19787:0}] [L8] i++ VAL [i=1, p={19787:0}] [L8] COND TRUE i < 10 VAL [i=1, p={19787:0}] [L9] p[i] = 1 VAL [i=1, p={19787:0}] [L10] COND FALSE !(i == 5) VAL [i=1, p={19787:0}] [L8] i++ VAL [i=2, p={19787:0}] [L8] COND TRUE i < 10 VAL [i=2, p={19787:0}] [L9] p[i] = 1 VAL [i=2, p={19787:0}] [L10] COND FALSE !(i == 5) VAL [i=2, p={19787:0}] [L8] i++ VAL [i=3, p={19787:0}] [L8] COND TRUE i < 10 VAL [i=3, p={19787:0}] [L9] p[i] = 1 VAL [i=3, p={19787:0}] [L10] COND FALSE !(i == 5) VAL [i=3, p={19787:0}] [L8] i++ VAL [i=4, p={19787:0}] [L8] COND TRUE i < 10 VAL [i=4, p={19787:0}] [L9] p[i] = 1 VAL [i=4, p={19787:0}] [L10] COND FALSE !(i == 5) VAL [i=4, p={19787:0}] [L8] i++ VAL [i=5, p={19787:0}] [L8] COND TRUE i < 10 VAL [i=5, p={19787:0}] [L9] p[i] = 1 VAL [i=5, p={19787:0}] [L10] COND TRUE i == 5 VAL [i=5, p={19787:0}] [L11] free(p) VAL [i=5, p={19787:0}] [L11] free(p) VAL [i=5, p={19787:0}] [L11] free(p) [L8] i++ VAL [i=6, p={19787:0}] [L8] COND TRUE i < 10 VAL [i=6, p={19787:0}] [L9] p[i] = 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 241.75ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 82.3MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.51ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 81.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.19ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 80.6MB in the end (delta: 626.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 314.87ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 70.4MB in the end (delta: 10.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 15451.76ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 70.4MB in the beginning and 110.5MB in the end (delta: -40.1MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. * Witness Printer took 54.73ms. Allocated memory is still 176.2MB. Free memory was 109.0MB in the beginning and 107.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 22:49:17,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d3f4f6-1a41-4961-a739-07424028ec93/bin/ukojak-verify-EEHR8qb7sm/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-deref)