./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-lit/mine2017-ex4.7.i --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_b69203b7-7a47-4e0f-b70a-aa9d68ef1ca2/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b69203b7-7a47-4e0f-b70a-aa9d68ef1ca2/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b69203b7-7a47-4e0f-b70a-aa9d68ef1ca2/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b69203b7-7a47-4e0f-b70a-aa9d68ef1ca2/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-lit/mine2017-ex4.7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b69203b7-7a47-4e0f-b70a-aa9d68ef1ca2/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b69203b7-7a47-4e0f-b70a-aa9d68ef1ca2/bin/ukojak-verify-ENZ3QT5qd3 --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 51cb0ed4f3a380cdd7ae4c472320ddbca58dabad2572a56f851358e7417ed040 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:06:39,917 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:06:40,031 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b69203b7-7a47-4e0f-b70a-aa9d68ef1ca2/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 05:06:40,036 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 05:06:40,036 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 05:06:40,058 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:06:40,059 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:06:40,059 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:06:40,060 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:06:40,060 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:06:40,060 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:06:40,060 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:06:40,061 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 05:06:40,061 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 05:06:40,061 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 05:06:40,061 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:06:40,061 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:06:40,061 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:06:40,062 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:06:40,062 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 05:06:40,062 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:06:40,062 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:06:40,062 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:06:40,062 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:06:40,062 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:06:40,063 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:06:40,063 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:06:40,063 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:06:40,063 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:06:40,063 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:06:40,063 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:06:40,063 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 05:06:40,063 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 05:06:40,063 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_b69203b7-7a47-4e0f-b70a-aa9d68ef1ca2/bin/ukojak-verify-ENZ3QT5qd3 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 -> 51cb0ed4f3a380cdd7ae4c472320ddbca58dabad2572a56f851358e7417ed040 [2024-11-25 05:06:40,397 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:06:40,406 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:06:40,408 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:06:40,410 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:06:40,410 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:06:40,412 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b69203b7-7a47-4e0f-b70a-aa9d68ef1ca2/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/loop-lit/mine2017-ex4.7.i [2024-11-25 05:06:43,547 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b69203b7-7a47-4e0f-b70a-aa9d68ef1ca2/bin/ukojak-verify-ENZ3QT5qd3/data/995928a28/fb1c998bb4fa46c3b71ffb6136d12144/FLAG38ac30d55 [2024-11-25 05:06:43,831 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:06:43,831 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b69203b7-7a47-4e0f-b70a-aa9d68ef1ca2/sv-benchmarks/c/loop-lit/mine2017-ex4.7.i [2024-11-25 05:06:43,843 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b69203b7-7a47-4e0f-b70a-aa9d68ef1ca2/bin/ukojak-verify-ENZ3QT5qd3/data/995928a28/fb1c998bb4fa46c3b71ffb6136d12144/FLAG38ac30d55 [2024-11-25 05:06:44,121 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b69203b7-7a47-4e0f-b70a-aa9d68ef1ca2/bin/ukojak-verify-ENZ3QT5qd3/data/995928a28/fb1c998bb4fa46c3b71ffb6136d12144 [2024-11-25 05:06:44,123 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:06:44,125 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:06:44,126 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:06:44,126 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:06:44,131 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:06:44,132 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:06:44" (1/1) ... [2024-11-25 05:06:44,133 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c20c150 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:44, skipping insertion in model container [2024-11-25 05:06:44,134 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:06:44" (1/1) ... [2024-11-25 05:06:44,149 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:06:44,328 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_b69203b7-7a47-4e0f-b70a-aa9d68ef1ca2/sv-benchmarks/c/loop-lit/mine2017-ex4.7.i[812,825] [2024-11-25 05:06:44,344 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:06:44,357 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:06:44,367 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_b69203b7-7a47-4e0f-b70a-aa9d68ef1ca2/sv-benchmarks/c/loop-lit/mine2017-ex4.7.i[812,825] [2024-11-25 05:06:44,370 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:06:44,383 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:06:44,384 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:44 WrapperNode [2024-11-25 05:06:44,384 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:06:44,385 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:06:44,385 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:06:44,385 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:06:44,392 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:44" (1/1) ... [2024-11-25 05:06:44,398 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:44" (1/1) ... [2024-11-25 05:06:44,413 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 30 [2024-11-25 05:06:44,413 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:06:44,414 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:06:44,414 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:06:44,414 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:06:44,421 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:44" (1/1) ... [2024-11-25 05:06:44,421 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:44" (1/1) ... [2024-11-25 05:06:44,422 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:44" (1/1) ... [2024-11-25 05:06:44,422 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:44" (1/1) ... [2024-11-25 05:06:44,425 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:44" (1/1) ... [2024-11-25 05:06:44,425 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:44" (1/1) ... [2024-11-25 05:06:44,429 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:44" (1/1) ... [2024-11-25 05:06:44,429 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:44" (1/1) ... [2024-11-25 05:06:44,430 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:44" (1/1) ... [2024-11-25 05:06:44,431 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:06:44,432 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:06:44,432 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:06:44,433 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:06:44,434 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:06:44" (1/1) ... [2024-11-25 05:06:44,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:06:44,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b69203b7-7a47-4e0f-b70a-aa9d68ef1ca2/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:06:44,473 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b69203b7-7a47-4e0f-b70a-aa9d68ef1ca2/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:06:44,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b69203b7-7a47-4e0f-b70a-aa9d68ef1ca2/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:06:44,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:06:44,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 05:06:44,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:06:44,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:06:44,510 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 05:06:44,510 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 05:06:44,567 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:06:44,570 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:06:44,698 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-11-25 05:06:44,698 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:06:44,737 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:06:44,737 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 05:06:44,737 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:06:44 BoogieIcfgContainer [2024-11-25 05:06:44,738 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:06:44,738 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:06:44,738 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:06:44,751 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:06:44,751 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:06:44" (1/1) ... [2024-11-25 05:06:44,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:06:44,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:06:44,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2024-11-25 05:06:44,817 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2024-11-25 05:06:44,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 05:06:44,818 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:06:44,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:06:44,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:06:45,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:06:45,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:06:45,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 22 transitions. [2024-11-25 05:06:45,317 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2024-11-25 05:06:45,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 05:06:45,320 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:06:45,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:06:45,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:06:45,479 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:06:45,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:06:45,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 28 transitions. [2024-11-25 05:06:45,608 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2024-11-25 05:06:45,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-25 05:06:45,608 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:06:45,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:06:45,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:06:45,888 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 05:06:46,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:06:46,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 28 states and 38 transitions. [2024-11-25 05:06:46,088 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2024-11-25 05:06:46,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-25 05:06:46,090 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:06:46,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:06:46,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:06:46,500 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 8 proven. 11 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-25 05:06:46,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:06:46,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 33 states and 47 transitions. [2024-11-25 05:06:46,820 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 47 transitions. [2024-11-25 05:06:46,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-25 05:06:46,821 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:06:46,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:06:46,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:06:47,407 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 12 proven. 13 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-25 05:06:47,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:06:47,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 30 states and 42 transitions. [2024-11-25 05:06:47,534 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 42 transitions. [2024-11-25 05:06:47,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-25 05:06:47,535 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:06:47,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:06:47,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:06:48,005 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 14 proven. 23 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-25 05:06:48,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:06:48,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 22 states and 32 transitions. [2024-11-25 05:06:48,077 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2024-11-25 05:06:48,078 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 05:06:48,080 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-11-25 05:06:48,091 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-25 05:06:48,133 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 05:06:48,133 INFO L77 FloydHoareUtils]: At program point L19(line 19) the Hoare annotation is: true [2024-11-25 05:06:48,133 INFO L77 FloydHoareUtils]: At program point L17-1(lines 17 25) the Hoare annotation is: true [2024-11-25 05:06:48,133 INFO L77 FloydHoareUtils]: At program point L17-2(lines 17 25) the Hoare annotation is: true [2024-11-25 05:06:48,134 INFO L77 FloydHoareUtils]: At program point L17-4(lines 17 25) the Hoare annotation is: true [2024-11-25 05:06:48,134 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 05:06:48,134 INFO L77 FloydHoareUtils]: At program point L20-1(lines 17 25) the Hoare annotation is: true [2024-11-25 05:06:48,134 INFO L77 FloydHoareUtils]: At program point L18(line 18) the Hoare annotation is: true [2024-11-25 05:06:48,134 INFO L77 FloydHoareUtils]: At program point L13(line 13) the Hoare annotation is: true [2024-11-25 05:06:48,134 INFO L77 FloydHoareUtils]: At program point L13-1(line 13) the Hoare annotation is: true [2024-11-25 05:06:48,134 INFO L77 FloydHoareUtils]: At program point L13-3(line 13) the Hoare annotation is: true [2024-11-25 05:06:48,134 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(line 13) the Hoare annotation is: true [2024-11-25 05:06:48,134 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line 13) the Hoare annotation is: true [2024-11-25 05:06:48,135 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 13) the Hoare annotation is: true [2024-11-25 05:06:48,150 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 05:06:48 ImpRootNode [2024-11-25 05:06:48,150 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 05:06:48,151 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 05:06:48,151 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 05:06:48,151 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 05:06:48,152 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:06:44" (3/4) ... [2024-11-25 05:06:48,155 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 05:06:48,159 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-25 05:06:48,164 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-25 05:06:48,164 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-25 05:06:48,164 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-25 05:06:48,164 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 05:06:48,256 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b69203b7-7a47-4e0f-b70a-aa9d68ef1ca2/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 05:06:48,256 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b69203b7-7a47-4e0f-b70a-aa9d68ef1ca2/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 05:06:48,256 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 05:06:48,259 INFO L158 Benchmark]: Toolchain (without parser) took 4132.06ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 119.5MB in the beginning and 278.3MB in the end (delta: -158.8MB). Peak memory consumption was 121.0MB. Max. memory is 16.1GB. [2024-11-25 05:06:48,259 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 142.6MB. Free memory is still 79.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:06:48,260 INFO L158 Benchmark]: CACSL2BoogieTranslator took 258.12ms. Allocated memory is still 142.6MB. Free memory was 119.2MB in the beginning and 108.6MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:06:48,260 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.28ms. Allocated memory is still 142.6MB. Free memory was 108.3MB in the beginning and 107.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:06:48,260 INFO L158 Benchmark]: Boogie Preprocessor took 17.98ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 106.7MB in the end (delta: 533.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:06:48,260 INFO L158 Benchmark]: RCFGBuilder took 305.42ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 95.4MB in the end (delta: 11.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 05:06:48,261 INFO L158 Benchmark]: CodeCheck took 3411.98ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 95.4MB in the beginning and 281.8MB in the end (delta: -186.4MB). Peak memory consumption was 95.8MB. Max. memory is 16.1GB. [2024-11-25 05:06:48,261 INFO L158 Benchmark]: Witness Printer took 105.35ms. Allocated memory is still 427.8MB. Free memory was 281.8MB in the beginning and 278.3MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:06:48,264 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.3s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 171 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 72 mSDsluCounter, 248 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 120 mSDsCounter, 152 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 315 IncrementalHoareTripleChecker+Invalid, 467 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 152 mSolverCounterUnsat, 128 mSDtfsCounter, 315 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1007 GetRequests, 944 SyntacticMatches, 37 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 169 NumberOfCodeBlocks, 169 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 163 ConstructedInterpolants, 0 QuantifiedInterpolants, 453 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 227/277 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: 13]: 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 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 142.6MB. Free memory is still 79.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 258.12ms. Allocated memory is still 142.6MB. Free memory was 119.2MB in the beginning and 108.6MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.28ms. Allocated memory is still 142.6MB. Free memory was 108.3MB in the beginning and 107.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.98ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 106.7MB in the end (delta: 533.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 305.42ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 95.4MB in the end (delta: 11.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 3411.98ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 95.4MB in the beginning and 281.8MB in the end (delta: -186.4MB). Peak memory consumption was 95.8MB. Max. memory is 16.1GB. * Witness Printer took 105.35ms. Allocated memory is still 427.8MB. Free memory was 281.8MB in the beginning and 278.3MB in the end (delta: 3.6MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 05:06:48,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b69203b7-7a47-4e0f-b70a-aa9d68ef1ca2/bin/ukojak-verify-ENZ3QT5qd3/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