./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-lopstr16/break-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a8cb6f-3045-4375-b11a-c1d8c247c26e/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a8cb6f-3045-4375-b11a-c1d8c247c26e/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a8cb6f-3045-4375-b11a-c1d8c247c26e/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a8cb6f-3045-4375-b11a-c1d8c247c26e/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/array-lopstr16/break-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a8cb6f-3045-4375-b11a-c1d8c247c26e/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a8cb6f-3045-4375-b11a-c1d8c247c26e/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3d5775473fb8b2fb76c3950e7e2a13fee49ca8c66dcc7d0ea40674a33c8d89da --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:04:20,784 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:04:20,888 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a8cb6f-3045-4375-b11a-c1d8c247c26e/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-12 00:04:20,895 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:04:20,896 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:04:20,939 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:04:20,940 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:04:20,940 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:04:20,942 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:04:20,947 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:04:20,948 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:04:20,949 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:04:20,949 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:04:20,951 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:04:20,952 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:04:20,952 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:04:20,963 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:04:20,964 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:04:20,964 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:04:20,965 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:04:20,965 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:04:20,966 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:04:20,966 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:04:20,967 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:04:20,967 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:04:20,968 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:04:20,969 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:04:20,969 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:04:20,970 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:04:20,971 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:04:20,972 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:04:20,972 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:04:20,972 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:04:20,973 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:04:20,973 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a8cb6f-3045-4375-b11a-c1d8c247c26e/bin/ukojak-verify-0OAaufAVZV/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a8cb6f-3045-4375-b11a-c1d8c247c26e/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d5775473fb8b2fb76c3950e7e2a13fee49ca8c66dcc7d0ea40674a33c8d89da [2023-11-12 00:04:21,251 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:04:21,285 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:04:21,288 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:04:21,290 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:04:21,290 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:04:21,292 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a8cb6f-3045-4375-b11a-c1d8c247c26e/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/array-lopstr16/break-1.i [2023-11-12 00:04:24,334 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:04:24,559 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:04:24,560 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a8cb6f-3045-4375-b11a-c1d8c247c26e/sv-benchmarks/c/array-lopstr16/break-1.i [2023-11-12 00:04:24,569 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a8cb6f-3045-4375-b11a-c1d8c247c26e/bin/ukojak-verify-0OAaufAVZV/data/6f65578af/43ed24a30aed4ca3af75889906ae5726/FLAG757578d9a [2023-11-12 00:04:24,588 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a8cb6f-3045-4375-b11a-c1d8c247c26e/bin/ukojak-verify-0OAaufAVZV/data/6f65578af/43ed24a30aed4ca3af75889906ae5726 [2023-11-12 00:04:24,595 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:04:24,597 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:04:24,603 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:04:24,603 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:04:24,608 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:04:24,611 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:04:24" (1/1) ... [2023-11-12 00:04:24,612 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1336fa34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:24, skipping insertion in model container [2023-11-12 00:04:24,612 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:04:24" (1/1) ... [2023-11-12 00:04:24,639 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:04:24,862 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:04:33,587 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:04:33,606 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:04:33,627 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:04:33,628 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:33 WrapperNode [2023-11-12 00:04:33,628 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:04:33,629 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:04:33,630 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:04:33,630 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:04:33,638 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:33" (1/1) ... [2023-11-12 00:04:33,647 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:33" (1/1) ... [2023-11-12 00:04:33,672 INFO L138 Inliner]: procedures = 19, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2023-11-12 00:04:33,672 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:04:33,673 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:04:33,674 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:04:33,674 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:04:33,686 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:33" (1/1) ... [2023-11-12 00:04:33,686 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:33" (1/1) ... [2023-11-12 00:04:33,698 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:33" (1/1) ... [2023-11-12 00:04:33,699 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:33" (1/1) ... [2023-11-12 00:04:33,704 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:33" (1/1) ... [2023-11-12 00:04:33,713 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:33" (1/1) ... [2023-11-12 00:04:33,716 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:33" (1/1) ... [2023-11-12 00:04:33,718 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:33" (1/1) ... [2023-11-12 00:04:33,721 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:04:33,723 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:04:33,723 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:04:33,723 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:04:33,724 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:33" (1/1) ... [2023-11-12 00:04:33,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:04:33,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a8cb6f-3045-4375-b11a-c1d8c247c26e/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:04:33,760 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a8cb6f-3045-4375-b11a-c1d8c247c26e/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:04:33,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a8cb6f-3045-4375-b11a-c1d8c247c26e/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:04:33,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:04:33,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:04:33,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:04:33,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:04:33,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:04:33,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:04:33,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:04:33,925 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:04:33,928 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:04:34,120 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:04:34,200 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:04:34,208 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 00:04:34,211 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:04:34 BoogieIcfgContainer [2023-11-12 00:04:34,212 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:04:34,213 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:04:34,214 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:04:34,225 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:04:34,226 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:04:34" (1/1) ... [2023-11-12 00:04:34,237 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:04:34,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:34,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2023-11-12 00:04:34,303 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-11-12 00:04:34,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-12 00:04:34,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:34,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:34,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:34,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:34,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:34,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2023-11-12 00:04:34,680 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2023-11-12 00:04:34,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-12 00:04:34,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:34,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:34,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:34,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:34,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:34,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2023-11-12 00:04:34,806 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2023-11-12 00:04:34,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-12 00:04:34,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:34,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:34,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:34,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:34,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:34,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2023-11-12 00:04:34,970 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2023-11-12 00:04:34,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-12 00:04:34,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:34,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:34,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:35,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:35,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:35,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2023-11-12 00:04:35,128 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2023-11-12 00:04:35,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-12 00:04:35,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:35,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:35,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:35,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:35,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:35,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2023-11-12 00:04:35,257 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2023-11-12 00:04:35,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-12 00:04:35,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:35,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:35,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:35,406 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:35,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:35,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2023-11-12 00:04:35,453 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2023-11-12 00:04:35,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-12 00:04:35,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:35,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:35,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:35,593 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 00:04:35,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:35,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2023-11-12 00:04:35,751 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2023-11-12 00:04:35,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-12 00:04:35,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:35,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:35,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:35,867 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:35,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:35,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2023-11-12 00:04:35,975 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2023-11-12 00:04:35,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-12 00:04:35,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:35,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:35,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:36,031 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 00:04:36,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:36,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2023-11-12 00:04:36,170 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2023-11-12 00:04:36,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-12 00:04:36,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:04:36,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:04:36,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:04:36,325 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:04:36,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:04:36,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-11-12 00:04:36,436 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-11-12 00:04:36,437 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-12 00:04:36,437 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2023-11-12 00:04:36,449 INFO L753 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-11-12 00:04:36,515 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-11-12 00:04:36,522 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-11-12 00:04:36,523 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 12.11 12:04:36 ImpRootNode [2023-11-12 00:04:36,523 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-12 00:04:36,524 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:04:36,524 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:04:36,524 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:04:36,524 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:04:34" (3/4) ... [2023-11-12 00:04:36,527 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 00:04:36,535 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-11-12 00:04:36,536 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-12 00:04:36,536 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-12 00:04:36,536 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 00:04:36,653 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a8cb6f-3045-4375-b11a-c1d8c247c26e/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-12 00:04:36,656 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a8cb6f-3045-4375-b11a-c1d8c247c26e/bin/ukojak-verify-0OAaufAVZV/witness.yml [2023-11-12 00:04:36,656 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:04:36,657 INFO L158 Benchmark]: Toolchain (without parser) took 12059.48ms. Allocated memory was 138.4MB in the beginning and 10.3GB in the end (delta: 10.1GB). Free memory was 94.2MB in the beginning and 8.2GB in the end (delta: -8.1GB). Peak memory consumption was 2.0GB. Max. memory is 16.1GB. [2023-11-12 00:04:36,657 INFO L158 Benchmark]: CDTParser took 0.71ms. Allocated memory is still 138.4MB. Free memory is still 107.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:04:36,657 INFO L158 Benchmark]: CACSL2BoogieTranslator took 9025.59ms. Allocated memory was 138.4MB in the beginning and 10.3GB in the end (delta: 10.1GB). Free memory was 93.7MB in the beginning and 8.3GB in the end (delta: -8.2GB). Peak memory consumption was 2.3GB. Max. memory is 16.1GB. [2023-11-12 00:04:36,658 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.43ms. Allocated memory is still 10.3GB. Free memory was 8.3GB in the beginning and 8.3GB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:04:36,658 INFO L158 Benchmark]: Boogie Preprocessor took 48.26ms. Allocated memory is still 10.3GB. Free memory was 8.3GB in the beginning and 8.3GB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:04:36,659 INFO L158 Benchmark]: RCFGBuilder took 489.83ms. Allocated memory is still 10.3GB. Free memory was 8.3GB in the beginning and 8.3GB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-12 00:04:36,659 INFO L158 Benchmark]: CodeCheck took 2309.87ms. Allocated memory is still 10.3GB. Free memory was 8.3GB in the beginning and 8.2GB in the end (delta: 112.2MB). Peak memory consumption was 113.2MB. Max. memory is 16.1GB. [2023-11-12 00:04:36,659 INFO L158 Benchmark]: Witness Printer took 132.50ms. Allocated memory is still 10.3GB. Free memory was 8.2GB in the beginning and 8.2GB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:04:36,661 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, 14 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 215 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 98 mSDsluCounter, 80 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 212 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 596 IncrementalHoareTripleChecker+Invalid, 808 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 212 mSolverCounterUnsat, 80 mSDtfsCounter, 596 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 578 GetRequests, 517 SyntacticMatches, 25 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 519 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 75 NumberOfCodeBlocks, 75 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 65 ConstructedInterpolants, 0 QuantifiedInterpolants, 157 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 12/19 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 - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 25]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: (0 <= i) - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: (0 <= i) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71ms. Allocated memory is still 138.4MB. Free memory is still 107.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 9025.59ms. Allocated memory was 138.4MB in the beginning and 10.3GB in the end (delta: 10.1GB). Free memory was 93.7MB in the beginning and 8.3GB in the end (delta: -8.2GB). Peak memory consumption was 2.3GB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.43ms. Allocated memory is still 10.3GB. Free memory was 8.3GB in the beginning and 8.3GB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.26ms. Allocated memory is still 10.3GB. Free memory was 8.3GB in the beginning and 8.3GB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 489.83ms. Allocated memory is still 10.3GB. Free memory was 8.3GB in the beginning and 8.3GB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 2309.87ms. Allocated memory is still 10.3GB. Free memory was 8.3GB in the beginning and 8.2GB in the end (delta: 112.2MB). Peak memory consumption was 113.2MB. Max. memory is 16.1GB. * Witness Printer took 132.50ms. Allocated memory is still 10.3GB. Free memory was 8.2GB in the beginning and 8.2GB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-12 00:04:36,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16a8cb6f-3045-4375-b11a-c1d8c247c26e/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE